project
stringclasses 2
values | commit_id
stringlengths 40
40
| target
int64 0
1
| func
stringlengths 26
142k
| idx
int64 0
27.3k
|
|---|---|---|---|---|
qemu | 35337cc391245f251bfb9134f181c33e6375d6c1 | 0 | static bool get_phys_addr(CPUARMState *env, target_ulong address,
MMUAccessType access_type, ARMMMUIdx mmu_idx,
hwaddr *phys_ptr, MemTxAttrs *attrs, int *prot,
target_ulong *page_size, uint32_t *fsr,
ARMMMUFaultInfo *fi)
{
if (mmu_idx == ARMMMUIdx_S12NSE0 || mmu_idx == ARMMMUIdx_S12NSE1) {
/* Call ourselves recursively to do the stage 1 and then stage 2
* translations.
*/
if (arm_feature(env, ARM_FEATURE_EL2)) {
hwaddr ipa;
int s2_prot;
int ret;
ret = get_phys_addr(env, address, access_type,
stage_1_mmu_idx(mmu_idx), &ipa, attrs,
prot, page_size, fsr, fi);
/* If S1 fails or S2 is disabled, return early. */
if (ret || regime_translation_disabled(env, ARMMMUIdx_S2NS)) {
*phys_ptr = ipa;
return ret;
}
/* S1 is done. Now do S2 translation. */
ret = get_phys_addr_lpae(env, ipa, access_type, ARMMMUIdx_S2NS,
phys_ptr, attrs, &s2_prot,
page_size, fsr, fi);
fi->s2addr = ipa;
/* Combine the S1 and S2 perms. */
*prot &= s2_prot;
return ret;
} else {
/*
* For non-EL2 CPUs a stage1+stage2 translation is just stage 1.
*/
mmu_idx = stage_1_mmu_idx(mmu_idx);
}
}
/* The page table entries may downgrade secure to non-secure, but
* cannot upgrade an non-secure translation regime's attributes
* to secure.
*/
attrs->secure = regime_is_secure(env, mmu_idx);
attrs->user = regime_is_user(env, mmu_idx);
/* Fast Context Switch Extension. This doesn't exist at all in v8.
* In v7 and earlier it affects all stage 1 translations.
*/
if (address < 0x02000000 && mmu_idx != ARMMMUIdx_S2NS
&& !arm_feature(env, ARM_FEATURE_V8)) {
if (regime_el(env, mmu_idx) == 3) {
address += env->cp15.fcseidr_s;
} else {
address += env->cp15.fcseidr_ns;
}
}
if (arm_feature(env, ARM_FEATURE_PMSA)) {
bool ret;
*page_size = TARGET_PAGE_SIZE;
if (arm_feature(env, ARM_FEATURE_V8)) {
/* PMSAv8 */
ret = get_phys_addr_pmsav8(env, address, access_type, mmu_idx,
phys_ptr, prot, fsr);
} else if (arm_feature(env, ARM_FEATURE_V7)) {
/* PMSAv7 */
ret = get_phys_addr_pmsav7(env, address, access_type, mmu_idx,
phys_ptr, prot, fsr);
} else {
/* Pre-v7 MPU */
ret = get_phys_addr_pmsav5(env, address, access_type, mmu_idx,
phys_ptr, prot, fsr);
}
qemu_log_mask(CPU_LOG_MMU, "PMSA MPU lookup for %s at 0x%08" PRIx32
" mmu_idx %u -> %s (prot %c%c%c)\n",
access_type == MMU_DATA_LOAD ? "reading" :
(access_type == MMU_DATA_STORE ? "writing" : "execute"),
(uint32_t)address, mmu_idx,
ret ? "Miss" : "Hit",
*prot & PAGE_READ ? 'r' : '-',
*prot & PAGE_WRITE ? 'w' : '-',
*prot & PAGE_EXEC ? 'x' : '-');
return ret;
}
/* Definitely a real MMU, not an MPU */
if (regime_translation_disabled(env, mmu_idx)) {
/* MMU disabled. */
*phys_ptr = address;
*prot = PAGE_READ | PAGE_WRITE | PAGE_EXEC;
*page_size = TARGET_PAGE_SIZE;
return 0;
}
if (regime_using_lpae_format(env, mmu_idx)) {
return get_phys_addr_lpae(env, address, access_type, mmu_idx, phys_ptr,
attrs, prot, page_size, fsr, fi);
} else if (regime_sctlr(env, mmu_idx) & SCTLR_XP) {
return get_phys_addr_v6(env, address, access_type, mmu_idx, phys_ptr,
attrs, prot, page_size, fsr, fi);
} else {
return get_phys_addr_v5(env, address, access_type, mmu_idx, phys_ptr,
prot, page_size, fsr, fi);
}
}
| 21,615 |
qemu | 61007b316cd71ee7333ff7a0a749a8949527575f | 0 | void bdrv_error_action(BlockDriverState *bs, BlockErrorAction action,
bool is_read, int error)
{
assert(error >= 0);
if (action == BLOCK_ERROR_ACTION_STOP) {
/* First set the iostatus, so that "info block" returns an iostatus
* that matches the events raised so far (an additional error iostatus
* is fine, but not a lost one).
*/
bdrv_iostatus_set_err(bs, error);
/* Then raise the request to stop the VM and the event.
* qemu_system_vmstop_request_prepare has two effects. First,
* it ensures that the STOP event always comes after the
* BLOCK_IO_ERROR event. Second, it ensures that even if management
* can observe the STOP event and do a "cont" before the STOP
* event is issued, the VM will not stop. In this case, vm_start()
* also ensures that the STOP/RESUME pair of events is emitted.
*/
qemu_system_vmstop_request_prepare();
send_qmp_error_event(bs, action, is_read, error);
qemu_system_vmstop_request(RUN_STATE_IO_ERROR);
} else {
send_qmp_error_event(bs, action, is_read, error);
}
}
| 21,616 |
qemu | 4be746345f13e99e468c60acbd3a355e8183e3ce | 0 | static void ide_atapi_cmd_reply(IDEState *s, int size, int max_size)
{
if (size > max_size)
size = max_size;
s->lba = -1; /* no sector read */
s->packet_transfer_size = size;
s->io_buffer_size = size; /* dma: send the reply data as one chunk */
s->elementary_transfer_size = 0;
s->io_buffer_index = 0;
if (s->atapi_dma) {
block_acct_start(bdrv_get_stats(s->bs), &s->acct, size,
BLOCK_ACCT_READ);
s->status = READY_STAT | SEEK_STAT | DRQ_STAT;
ide_start_dma(s, ide_atapi_cmd_read_dma_cb);
} else {
s->status = READY_STAT | SEEK_STAT;
ide_atapi_cmd_reply_end(s);
}
}
| 21,617 |
FFmpeg | de4898a22909ff8a9ff846820627094bdd68b648 | 0 | static int stream_component_open(VideoState *is, int stream_index)
{
AVFormatContext *ic = is->ic;
AVCodecContext *enc;
AVCodec *codec;
SDL_AudioSpec wanted_spec, spec;
if (stream_index < 0 || stream_index >= ic->nb_streams)
return -1;
enc = ic->streams[stream_index]->codec;
/* prepare audio output */
if (enc->codec_type == CODEC_TYPE_AUDIO) {
if (enc->channels > 0) {
enc->request_channels = FFMIN(2, enc->channels);
} else {
enc->request_channels = 2;
}
}
codec = avcodec_find_decoder(enc->codec_id);
enc->debug_mv = debug_mv;
enc->debug = debug;
enc->workaround_bugs = workaround_bugs;
enc->lowres = lowres;
if(lowres) enc->flags |= CODEC_FLAG_EMU_EDGE;
enc->idct_algo= idct;
if(fast) enc->flags2 |= CODEC_FLAG2_FAST;
enc->skip_frame= skip_frame;
enc->skip_idct= skip_idct;
enc->skip_loop_filter= skip_loop_filter;
enc->error_recognition= error_recognition;
enc->error_concealment= error_concealment;
set_context_opts(enc, avcodec_opts[enc->codec_type], 0);
if (!codec ||
avcodec_open(enc, codec) < 0)
return -1;
/* prepare audio output */
if (enc->codec_type == CODEC_TYPE_AUDIO) {
wanted_spec.freq = enc->sample_rate;
wanted_spec.format = AUDIO_S16SYS;
wanted_spec.channels = enc->channels;
wanted_spec.silence = 0;
wanted_spec.samples = SDL_AUDIO_BUFFER_SIZE;
wanted_spec.callback = sdl_audio_callback;
wanted_spec.userdata = is;
if (SDL_OpenAudio(&wanted_spec, &spec) < 0) {
fprintf(stderr, "SDL_OpenAudio: %s\n", SDL_GetError());
return -1;
}
is->audio_hw_buf_size = spec.size;
is->audio_src_fmt= SAMPLE_FMT_S16;
}
if(thread_count>1)
avcodec_thread_init(enc, thread_count);
enc->thread_count= thread_count;
ic->streams[stream_index]->discard = AVDISCARD_DEFAULT;
switch(enc->codec_type) {
case CODEC_TYPE_AUDIO:
is->audio_stream = stream_index;
is->audio_st = ic->streams[stream_index];
is->audio_buf_size = 0;
is->audio_buf_index = 0;
/* init averaging filter */
is->audio_diff_avg_coef = exp(log(0.01) / AUDIO_DIFF_AVG_NB);
is->audio_diff_avg_count = 0;
/* since we do not have a precise anough audio fifo fullness,
we correct audio sync only if larger than this threshold */
is->audio_diff_threshold = 2.0 * SDL_AUDIO_BUFFER_SIZE / enc->sample_rate;
memset(&is->audio_pkt, 0, sizeof(is->audio_pkt));
packet_queue_init(&is->audioq);
SDL_PauseAudio(0);
break;
case CODEC_TYPE_VIDEO:
is->video_stream = stream_index;
is->video_st = ic->streams[stream_index];
is->frame_last_delay = 40e-3;
is->frame_timer = (double)av_gettime() / 1000000.0;
is->video_current_pts_time = av_gettime();
packet_queue_init(&is->videoq);
is->video_tid = SDL_CreateThread(video_thread, is);
break;
case CODEC_TYPE_SUBTITLE:
is->subtitle_stream = stream_index;
is->subtitle_st = ic->streams[stream_index];
packet_queue_init(&is->subtitleq);
is->subtitle_tid = SDL_CreateThread(subtitle_thread, is);
break;
default:
break;
}
return 0;
}
| 21,618 |
qemu | 35c2c8dc8c0899882a8e0d349d93bd657772f1e7 | 0 | void qemu_set_version(const char *version)
{
qemu_version = version;
}
| 21,620 |
qemu | dea8fde8b8cb1ab14e15308aadbf88eeccd4e873 | 0 | tcg_target_ulong tcg_qemu_tb_exec(CPUArchState *env, uint8_t *tb_ptr)
{
tcg_target_ulong next_tb = 0;
tci_reg[TCG_AREG0] = (tcg_target_ulong)env;
assert(tb_ptr);
for (;;) {
#if defined(GETPC)
tci_tb_ptr = (uintptr_t)tb_ptr;
#endif
TCGOpcode opc = tb_ptr[0];
#if !defined(NDEBUG)
uint8_t op_size = tb_ptr[1];
uint8_t *old_code_ptr = tb_ptr;
#endif
tcg_target_ulong t0;
tcg_target_ulong t1;
tcg_target_ulong t2;
tcg_target_ulong label;
TCGCond condition;
target_ulong taddr;
#ifndef CONFIG_SOFTMMU
tcg_target_ulong host_addr;
#endif
uint8_t tmp8;
uint16_t tmp16;
uint32_t tmp32;
uint64_t tmp64;
#if TCG_TARGET_REG_BITS == 32
uint64_t v64;
#endif
/* Skip opcode and size entry. */
tb_ptr += 2;
switch (opc) {
case INDEX_op_end:
case INDEX_op_nop:
break;
case INDEX_op_nop1:
case INDEX_op_nop2:
case INDEX_op_nop3:
case INDEX_op_nopn:
case INDEX_op_discard:
TODO();
break;
case INDEX_op_set_label:
TODO();
break;
case INDEX_op_call:
t0 = tci_read_ri(&tb_ptr);
#if TCG_TARGET_REG_BITS == 32
tmp64 = ((helper_function)t0)(tci_read_reg(TCG_REG_R0),
tci_read_reg(TCG_REG_R1),
tci_read_reg(TCG_REG_R2),
tci_read_reg(TCG_REG_R3),
tci_read_reg(TCG_REG_R5),
tci_read_reg(TCG_REG_R6),
tci_read_reg(TCG_REG_R7),
tci_read_reg(TCG_REG_R8),
tci_read_reg(TCG_REG_R9),
tci_read_reg(TCG_REG_R10));
tci_write_reg(TCG_REG_R0, tmp64);
tci_write_reg(TCG_REG_R1, tmp64 >> 32);
#else
tmp64 = ((helper_function)t0)(tci_read_reg(TCG_REG_R0),
tci_read_reg(TCG_REG_R1),
tci_read_reg(TCG_REG_R2),
tci_read_reg(TCG_REG_R3),
tci_read_reg(TCG_REG_R5));
tci_write_reg(TCG_REG_R0, tmp64);
#endif
break;
case INDEX_op_br:
label = tci_read_label(&tb_ptr);
assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = (uint8_t *)label;
continue;
case INDEX_op_setcond_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
condition = *tb_ptr++;
tci_write_reg32(t0, tci_compare32(t1, t2, condition));
break;
#if TCG_TARGET_REG_BITS == 32
case INDEX_op_setcond2_i32:
t0 = *tb_ptr++;
tmp64 = tci_read_r64(&tb_ptr);
v64 = tci_read_ri64(&tb_ptr);
condition = *tb_ptr++;
tci_write_reg32(t0, tci_compare64(tmp64, v64, condition));
break;
#elif TCG_TARGET_REG_BITS == 64
case INDEX_op_setcond_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
condition = *tb_ptr++;
tci_write_reg64(t0, tci_compare64(t1, t2, condition));
break;
#endif
case INDEX_op_mov_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg32(t0, t1);
break;
case INDEX_op_movi_i32:
t0 = *tb_ptr++;
t1 = tci_read_i32(&tb_ptr);
tci_write_reg32(t0, t1);
break;
/* Load/store operations (32 bit). */
case INDEX_op_ld8u_i32:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg8(t0, *(uint8_t *)(t1 + t2));
break;
case INDEX_op_ld8s_i32:
case INDEX_op_ld16u_i32:
TODO();
break;
case INDEX_op_ld16s_i32:
TODO();
break;
case INDEX_op_ld_i32:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg32(t0, *(uint32_t *)(t1 + t2));
break;
case INDEX_op_st8_i32:
t0 = tci_read_r8(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint8_t *)(t1 + t2) = t0;
break;
case INDEX_op_st16_i32:
t0 = tci_read_r16(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint16_t *)(t1 + t2) = t0;
break;
case INDEX_op_st_i32:
t0 = tci_read_r32(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint32_t *)(t1 + t2) = t0;
break;
/* Arithmetic operations (32 bit). */
case INDEX_op_add_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 + t2);
break;
case INDEX_op_sub_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 - t2);
break;
case INDEX_op_mul_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 * t2);
break;
#if TCG_TARGET_HAS_div_i32
case INDEX_op_div_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, (int32_t)t1 / (int32_t)t2);
break;
case INDEX_op_divu_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 / t2);
break;
case INDEX_op_rem_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, (int32_t)t1 % (int32_t)t2);
break;
case INDEX_op_remu_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 % t2);
break;
#elif TCG_TARGET_HAS_div2_i32
case INDEX_op_div2_i32:
case INDEX_op_divu2_i32:
TODO();
break;
#endif
case INDEX_op_and_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 & t2);
break;
case INDEX_op_or_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 | t2);
break;
case INDEX_op_xor_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 ^ t2);
break;
/* Shift/rotate operations (32 bit). */
case INDEX_op_shl_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 << t2);
break;
case INDEX_op_shr_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, t1 >> t2);
break;
case INDEX_op_sar_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, ((int32_t)t1 >> t2));
break;
#if TCG_TARGET_HAS_rot_i32
case INDEX_op_rotl_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, (t1 << t2) | (t1 >> (32 - t2)));
break;
case INDEX_op_rotr_i32:
t0 = *tb_ptr++;
t1 = tci_read_ri32(&tb_ptr);
t2 = tci_read_ri32(&tb_ptr);
tci_write_reg32(t0, (t1 >> t2) | (t1 << (32 - t2)));
break;
#endif
#if TCG_TARGET_HAS_deposit_i32
case INDEX_op_deposit_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
t2 = tci_read_r32(&tb_ptr);
tmp16 = *tb_ptr++;
tmp8 = *tb_ptr++;
tmp32 = (((1 << tmp8) - 1) << tmp16);
tci_write_reg32(t0, (t1 & ~tmp32) | ((t2 << tmp16) & tmp32));
break;
#endif
case INDEX_op_brcond_i32:
t0 = tci_read_r32(&tb_ptr);
t1 = tci_read_ri32(&tb_ptr);
condition = *tb_ptr++;
label = tci_read_label(&tb_ptr);
if (tci_compare32(t0, t1, condition)) {
assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = (uint8_t *)label;
continue;
}
break;
#if TCG_TARGET_REG_BITS == 32
case INDEX_op_add2_i32:
t0 = *tb_ptr++;
t1 = *tb_ptr++;
tmp64 = tci_read_r64(&tb_ptr);
tmp64 += tci_read_r64(&tb_ptr);
tci_write_reg64(t1, t0, tmp64);
break;
case INDEX_op_sub2_i32:
t0 = *tb_ptr++;
t1 = *tb_ptr++;
tmp64 = tci_read_r64(&tb_ptr);
tmp64 -= tci_read_r64(&tb_ptr);
tci_write_reg64(t1, t0, tmp64);
break;
case INDEX_op_brcond2_i32:
tmp64 = tci_read_r64(&tb_ptr);
v64 = tci_read_ri64(&tb_ptr);
condition = *tb_ptr++;
label = tci_read_label(&tb_ptr);
if (tci_compare64(tmp64, v64, condition)) {
assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = (uint8_t *)label;
continue;
}
break;
case INDEX_op_mulu2_i32:
t0 = *tb_ptr++;
t1 = *tb_ptr++;
t2 = tci_read_r32(&tb_ptr);
tmp64 = tci_read_r32(&tb_ptr);
tci_write_reg64(t1, t0, t2 * tmp64);
break;
#endif /* TCG_TARGET_REG_BITS == 32 */
#if TCG_TARGET_HAS_ext8s_i32
case INDEX_op_ext8s_i32:
t0 = *tb_ptr++;
t1 = tci_read_r8s(&tb_ptr);
tci_write_reg32(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext16s_i32
case INDEX_op_ext16s_i32:
t0 = *tb_ptr++;
t1 = tci_read_r16s(&tb_ptr);
tci_write_reg32(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext8u_i32
case INDEX_op_ext8u_i32:
t0 = *tb_ptr++;
t1 = tci_read_r8(&tb_ptr);
tci_write_reg32(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext16u_i32
case INDEX_op_ext16u_i32:
t0 = *tb_ptr++;
t1 = tci_read_r16(&tb_ptr);
tci_write_reg32(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_bswap16_i32
case INDEX_op_bswap16_i32:
t0 = *tb_ptr++;
t1 = tci_read_r16(&tb_ptr);
tci_write_reg32(t0, bswap16(t1));
break;
#endif
#if TCG_TARGET_HAS_bswap32_i32
case INDEX_op_bswap32_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg32(t0, bswap32(t1));
break;
#endif
#if TCG_TARGET_HAS_not_i32
case INDEX_op_not_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg32(t0, ~t1);
break;
#endif
#if TCG_TARGET_HAS_neg_i32
case INDEX_op_neg_i32:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg32(t0, -t1);
break;
#endif
#if TCG_TARGET_REG_BITS == 64
case INDEX_op_mov_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
tci_write_reg64(t0, t1);
break;
case INDEX_op_movi_i64:
t0 = *tb_ptr++;
t1 = tci_read_i64(&tb_ptr);
tci_write_reg64(t0, t1);
break;
/* Load/store operations (64 bit). */
case INDEX_op_ld8u_i64:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg8(t0, *(uint8_t *)(t1 + t2));
break;
case INDEX_op_ld8s_i64:
case INDEX_op_ld16u_i64:
case INDEX_op_ld16s_i64:
TODO();
break;
case INDEX_op_ld32u_i64:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg32(t0, *(uint32_t *)(t1 + t2));
break;
case INDEX_op_ld32s_i64:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg32s(t0, *(int32_t *)(t1 + t2));
break;
case INDEX_op_ld_i64:
t0 = *tb_ptr++;
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
tci_write_reg64(t0, *(uint64_t *)(t1 + t2));
break;
case INDEX_op_st8_i64:
t0 = tci_read_r8(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint8_t *)(t1 + t2) = t0;
break;
case INDEX_op_st16_i64:
t0 = tci_read_r16(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint16_t *)(t1 + t2) = t0;
break;
case INDEX_op_st32_i64:
t0 = tci_read_r32(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint32_t *)(t1 + t2) = t0;
break;
case INDEX_op_st_i64:
t0 = tci_read_r64(&tb_ptr);
t1 = tci_read_r(&tb_ptr);
t2 = tci_read_s32(&tb_ptr);
*(uint64_t *)(t1 + t2) = t0;
break;
/* Arithmetic operations (64 bit). */
case INDEX_op_add_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 + t2);
break;
case INDEX_op_sub_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 - t2);
break;
case INDEX_op_mul_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 * t2);
break;
#if TCG_TARGET_HAS_div_i64
case INDEX_op_div_i64:
case INDEX_op_divu_i64:
case INDEX_op_rem_i64:
case INDEX_op_remu_i64:
TODO();
break;
#elif TCG_TARGET_HAS_div2_i64
case INDEX_op_div2_i64:
case INDEX_op_divu2_i64:
TODO();
break;
#endif
case INDEX_op_and_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 & t2);
break;
case INDEX_op_or_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 | t2);
break;
case INDEX_op_xor_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 ^ t2);
break;
/* Shift/rotate operations (64 bit). */
case INDEX_op_shl_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 << t2);
break;
case INDEX_op_shr_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, t1 >> t2);
break;
case INDEX_op_sar_i64:
t0 = *tb_ptr++;
t1 = tci_read_ri64(&tb_ptr);
t2 = tci_read_ri64(&tb_ptr);
tci_write_reg64(t0, ((int64_t)t1 >> t2));
break;
#if TCG_TARGET_HAS_rot_i64
case INDEX_op_rotl_i64:
case INDEX_op_rotr_i64:
TODO();
break;
#endif
#if TCG_TARGET_HAS_deposit_i64
case INDEX_op_deposit_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
t2 = tci_read_r64(&tb_ptr);
tmp16 = *tb_ptr++;
tmp8 = *tb_ptr++;
tmp64 = (((1ULL << tmp8) - 1) << tmp16);
tci_write_reg64(t0, (t1 & ~tmp64) | ((t2 << tmp16) & tmp64));
break;
#endif
case INDEX_op_brcond_i64:
t0 = tci_read_r64(&tb_ptr);
t1 = tci_read_ri64(&tb_ptr);
condition = *tb_ptr++;
label = tci_read_label(&tb_ptr);
if (tci_compare64(t0, t1, condition)) {
assert(tb_ptr == old_code_ptr + op_size);
tb_ptr = (uint8_t *)label;
continue;
}
break;
#if TCG_TARGET_HAS_ext8u_i64
case INDEX_op_ext8u_i64:
t0 = *tb_ptr++;
t1 = tci_read_r8(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext8s_i64
case INDEX_op_ext8s_i64:
t0 = *tb_ptr++;
t1 = tci_read_r8s(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext16s_i64
case INDEX_op_ext16s_i64:
t0 = *tb_ptr++;
t1 = tci_read_r16s(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext16u_i64
case INDEX_op_ext16u_i64:
t0 = *tb_ptr++;
t1 = tci_read_r16(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext32s_i64
case INDEX_op_ext32s_i64:
t0 = *tb_ptr++;
t1 = tci_read_r32s(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_ext32u_i64
case INDEX_op_ext32u_i64:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg64(t0, t1);
break;
#endif
#if TCG_TARGET_HAS_bswap16_i64
case INDEX_op_bswap16_i64:
TODO();
t0 = *tb_ptr++;
t1 = tci_read_r16(&tb_ptr);
tci_write_reg64(t0, bswap16(t1));
break;
#endif
#if TCG_TARGET_HAS_bswap32_i64
case INDEX_op_bswap32_i64:
t0 = *tb_ptr++;
t1 = tci_read_r32(&tb_ptr);
tci_write_reg64(t0, bswap32(t1));
break;
#endif
#if TCG_TARGET_HAS_bswap64_i64
case INDEX_op_bswap64_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
tci_write_reg64(t0, bswap64(t1));
break;
#endif
#if TCG_TARGET_HAS_not_i64
case INDEX_op_not_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
tci_write_reg64(t0, ~t1);
break;
#endif
#if TCG_TARGET_HAS_neg_i64
case INDEX_op_neg_i64:
t0 = *tb_ptr++;
t1 = tci_read_r64(&tb_ptr);
tci_write_reg64(t0, -t1);
break;
#endif
#endif /* TCG_TARGET_REG_BITS == 64 */
/* QEMU specific operations. */
#if TARGET_LONG_BITS > TCG_TARGET_REG_BITS
case INDEX_op_debug_insn_start:
TODO();
break;
#else
case INDEX_op_debug_insn_start:
TODO();
break;
#endif
case INDEX_op_exit_tb:
next_tb = *(uint64_t *)tb_ptr;
goto exit;
break;
case INDEX_op_goto_tb:
t0 = tci_read_i32(&tb_ptr);
assert(tb_ptr == old_code_ptr + op_size);
tb_ptr += (int32_t)t0;
continue;
case INDEX_op_qemu_ld8u:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp8 = helper_ldb_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
tmp8 = *(uint8_t *)(host_addr + GUEST_BASE);
#endif
tci_write_reg8(t0, tmp8);
break;
case INDEX_op_qemu_ld8s:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp8 = helper_ldb_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
tmp8 = *(uint8_t *)(host_addr + GUEST_BASE);
#endif
tci_write_reg8s(t0, tmp8);
break;
case INDEX_op_qemu_ld16u:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp16 = helper_ldw_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
tmp16 = tswap16(*(uint16_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg16(t0, tmp16);
break;
case INDEX_op_qemu_ld16s:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp16 = helper_ldw_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
tmp16 = tswap16(*(uint16_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg16s(t0, tmp16);
break;
#if TCG_TARGET_REG_BITS == 64
case INDEX_op_qemu_ld32u:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg32(t0, tmp32);
break;
case INDEX_op_qemu_ld32s:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg32s(t0, tmp32);
break;
#endif /* TCG_TARGET_REG_BITS == 64 */
case INDEX_op_qemu_ld32:
t0 = *tb_ptr++;
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp32 = helper_ldl_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
tmp32 = tswap32(*(uint32_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg32(t0, tmp32);
break;
case INDEX_op_qemu_ld64:
t0 = *tb_ptr++;
#if TCG_TARGET_REG_BITS == 32
t1 = *tb_ptr++;
#endif
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
tmp64 = helper_ldq_mmu(env, taddr, tci_read_i(&tb_ptr));
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
tmp64 = tswap64(*(uint64_t *)(host_addr + GUEST_BASE));
#endif
tci_write_reg(t0, tmp64);
#if TCG_TARGET_REG_BITS == 32
tci_write_reg(t1, tmp64 >> 32);
#endif
break;
case INDEX_op_qemu_st8:
t0 = tci_read_r8(&tb_ptr);
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
t2 = tci_read_i(&tb_ptr);
helper_stb_mmu(env, taddr, t0, t2);
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
*(uint8_t *)(host_addr + GUEST_BASE) = t0;
#endif
break;
case INDEX_op_qemu_st16:
t0 = tci_read_r16(&tb_ptr);
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
t2 = tci_read_i(&tb_ptr);
helper_stw_mmu(env, taddr, t0, t2);
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
*(uint16_t *)(host_addr + GUEST_BASE) = tswap16(t0);
#endif
break;
case INDEX_op_qemu_st32:
t0 = tci_read_r32(&tb_ptr);
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
t2 = tci_read_i(&tb_ptr);
helper_stl_mmu(env, taddr, t0, t2);
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
*(uint32_t *)(host_addr + GUEST_BASE) = tswap32(t0);
#endif
break;
case INDEX_op_qemu_st64:
tmp64 = tci_read_r64(&tb_ptr);
taddr = tci_read_ulong(&tb_ptr);
#ifdef CONFIG_SOFTMMU
t2 = tci_read_i(&tb_ptr);
helper_stq_mmu(env, taddr, tmp64, t2);
#else
host_addr = (tcg_target_ulong)taddr;
assert(taddr == host_addr);
*(uint64_t *)(host_addr + GUEST_BASE) = tswap64(tmp64);
#endif
break;
default:
TODO();
break;
}
assert(tb_ptr == old_code_ptr + op_size);
}
exit:
return next_tb;
}
| 21,623 |
qemu | 7e2515e87c41e2e658aaed466e11cbdf1ea8bcb1 | 0 | static void do_commit(void)
{
int i;
for (i = 0; i < MAX_DISKS; i++) {
if (bs_table[i])
bdrv_commit(bs_table[i]);
}
}
| 21,624 |
qemu | 1c29331248d82e5a9caaf7974756a9d8bd5cd1e5 | 0 | static int v9fs_do_mknod(V9fsState *s, V9fsString *path, mode_t mode, dev_t dev)
{
return s->ops->mknod(&s->ctx, path->data, mode, dev);
}
| 21,625 |
qemu | a8170e5e97ad17ca169c64ba87ae2f53850dab4c | 0 | static uint64_t g364fb_ctrl_read(void *opaque,
target_phys_addr_t addr,
unsigned int size)
{
G364State *s = opaque;
uint32_t val;
if (addr >= REG_CURS_PAT && addr < REG_CURS_PAT + 0x1000) {
/* cursor pattern */
int idx = (addr - REG_CURS_PAT) >> 3;
val = s->cursor[idx];
} else if (addr >= REG_CURS_PAL && addr < REG_CURS_PAL + 0x18) {
/* cursor palette */
int idx = (addr - REG_CURS_PAL) >> 3;
val = ((uint32_t)s->cursor_palette[idx][0] << 16);
val |= ((uint32_t)s->cursor_palette[idx][1] << 8);
val |= ((uint32_t)s->cursor_palette[idx][2] << 0);
} else {
switch (addr) {
case REG_DISPLAY:
val = s->width / 4;
break;
case REG_VDISPLAY:
val = s->height * 2;
break;
case REG_CTLA:
val = s->ctla;
break;
default:
{
error_report("g364: invalid read at [" TARGET_FMT_plx "]",
addr);
val = 0;
break;
}
}
}
trace_g364fb_read(addr, val);
return val;
}
| 21,626 |
qemu | 8e9b0d24fb986d4241ae3b77752eca5dab4cb486 | 0 | static void vncws_send_handshake_response(VncState *vs, const char* key)
{
char combined_key[WS_CLIENT_KEY_LEN + WS_GUID_LEN + 1];
unsigned char hash[SHA1_DIGEST_LEN];
size_t hash_size = sizeof(hash);
char *accept = NULL, *response = NULL;
gnutls_datum_t in;
int ret;
g_strlcpy(combined_key, key, WS_CLIENT_KEY_LEN + 1);
g_strlcat(combined_key, WS_GUID, WS_CLIENT_KEY_LEN + WS_GUID_LEN + 1);
/* hash and encode it */
in.data = (void *)combined_key;
in.size = WS_CLIENT_KEY_LEN + WS_GUID_LEN;
ret = gnutls_fingerprint(GNUTLS_DIG_SHA1, &in, hash, &hash_size);
if (ret == GNUTLS_E_SUCCESS && hash_size <= SHA1_DIGEST_LEN) {
accept = g_base64_encode(hash, hash_size);
}
if (accept == NULL) {
VNC_DEBUG("Hashing Websocket combined key failed\n");
vnc_client_error(vs);
return;
}
response = g_strdup_printf(WS_HANDSHAKE, accept);
vnc_client_write_buf(vs, (const uint8_t *)response, strlen(response));
g_free(accept);
g_free(response);
vs->encode_ws = 1;
vnc_init_state(vs);
}
| 21,628 |
FFmpeg | a878dfa4f57d068eb69fb6614f7a4a20f769ee7b | 0 | av_cold int ff_ffv1_init_slice_state(FFV1Context *f, FFV1Context *fs)
{
int j;
fs->plane_count = f->plane_count;
fs->transparency = f->transparency;
for (j = 0; j < f->plane_count; j++) {
PlaneContext *const p = &fs->plane[j];
if (fs->ac) {
if (!p->state)
p->state = av_malloc_array(p->context_count, CONTEXT_SIZE *
sizeof(uint8_t));
if (!p->state)
return AVERROR(ENOMEM);
} else {
if (!p->vlc_state)
p->vlc_state = av_malloc_array(p->context_count, sizeof(VlcState));
if (!p->vlc_state)
return AVERROR(ENOMEM);
}
}
if (fs->ac > 1) {
//FIXME only redo if state_transition changed
for (j = 1; j < 256; j++) {
fs->c. one_state[ j] = f->state_transition[j];
fs->c.zero_state[256 - j] = 256 - fs->c.one_state[j];
}
}
return 0;
}
| 21,629 |
qemu | 4207117c93357347500235952ce7891688089cb1 | 0 | static void spitz_init(int ram_size, int vga_ram_size, int boot_device,
DisplayState *ds, const char **fd_filename, int snapshot,
const char *kernel_filename, const char *kernel_cmdline,
const char *initrd_filename, const char *cpu_model)
{
spitz_common_init(ram_size, vga_ram_size, ds, kernel_filename,
kernel_cmdline, initrd_filename, spitz, 0x2c9);
}
| 21,630 |
FFmpeg | 8aba7968dd604aae91ee42cbce0be3dad7dceb30 | 1 | static int vcr1_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
VCR1Context *const a = avctx->priv_data;
AVFrame *const p = data;
const uint8_t *bytestream = buf;
int i, x, y, ret;
if ((ret = ff_get_buffer(avctx, p, 0)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
p->pict_type = AV_PICTURE_TYPE_I;
p->key_frame = 1;
if (buf_size < 32)
for (i = 0; i < 16; i++) {
a->delta[i] = *bytestream++;
bytestream++;
buf_size--;
}
for (y = 0; y < avctx->height; y++) {
int offset;
uint8_t *luma = &p->data[0][y * p->linesize[0]];
if ((y & 3) == 0) {
uint8_t *cb = &p->data[1][(y >> 2) * p->linesize[1]];
uint8_t *cr = &p->data[2][(y >> 2) * p->linesize[2]];
for (i = 0; i < 4; i++)
a->offset[i] = *bytestream++;
offset = a->offset[0] - a->delta[bytestream[2] & 0xF];
for (x = 0; x < avctx->width; x += 4) {
luma[0] = offset += a->delta[bytestream[2] & 0xF];
luma[1] = offset += a->delta[bytestream[2] >> 4];
luma[2] = offset += a->delta[bytestream[0] & 0xF];
luma[3] = offset += a->delta[bytestream[0] >> 4];
luma += 4;
*cb++ = bytestream[3];
*cr++ = bytestream[1];
bytestream += 4;
buf_size -= 4;
}
} else {
if (buf_size < avctx->width / 2)
offset = a->offset[y & 3] - a->delta[bytestream[2] & 0xF];
for (x = 0; x < avctx->width; x += 8) {
luma[0] = offset += a->delta[bytestream[2] & 0xF];
luma[1] = offset += a->delta[bytestream[2] >> 4];
luma[2] = offset += a->delta[bytestream[3] & 0xF];
luma[3] = offset += a->delta[bytestream[3] >> 4];
luma[4] = offset += a->delta[bytestream[0] & 0xF];
luma[5] = offset += a->delta[bytestream[0] >> 4];
luma[6] = offset += a->delta[bytestream[1] & 0xF];
luma[7] = offset += a->delta[bytestream[1] >> 4];
luma += 8;
bytestream += 4;
buf_size -= 4;
}
}
}
*got_frame = 1;
return buf_size;
packet_small:
av_log(avctx, AV_LOG_ERROR, "Input packet too small.\n");
return AVERROR_INVALIDDATA;
} | 21,631 |
qemu | 148dfc2a8be0b237ef80b4d421f549464aa6a3d0 | 1 | long disas_insn(DisasContext *s, uint8_t *pc_start)
{
int b, prefixes, aflag, dflag;
int shift, ot;
int modrm, reg, rm, mod, reg_addr, op, opreg, offset_addr, val;
unsigned int next_eip;
s->pc = pc_start;
prefixes = 0;
aflag = s->code32;
dflag = s->code32;
s->override = -1;
next_byte:
b = ldub(s->pc);
s->pc++;
/* check prefixes */
switch (b) {
case 0xf3:
prefixes |= PREFIX_REPZ;
goto next_byte;
case 0xf2:
prefixes |= PREFIX_REPNZ;
goto next_byte;
case 0xf0:
prefixes |= PREFIX_LOCK;
goto next_byte;
case 0x2e:
s->override = R_CS;
goto next_byte;
case 0x36:
s->override = R_SS;
goto next_byte;
case 0x3e:
s->override = R_DS;
goto next_byte;
case 0x26:
s->override = R_ES;
goto next_byte;
case 0x64:
s->override = R_FS;
goto next_byte;
case 0x65:
s->override = R_GS;
goto next_byte;
case 0x66:
prefixes |= PREFIX_DATA;
goto next_byte;
case 0x67:
prefixes |= PREFIX_ADR;
goto next_byte;
case 0x9b:
prefixes |= PREFIX_FWAIT;
goto next_byte;
}
if (prefixes & PREFIX_DATA)
dflag ^= 1;
if (prefixes & PREFIX_ADR)
aflag ^= 1;
s->prefix = prefixes;
s->aflag = aflag;
s->dflag = dflag;
/* lock generation */
if (prefixes & PREFIX_LOCK)
gen_op_lock();
/* now check op code */
reswitch:
switch(b) {
case 0x0f:
/**************************/
/* extended op code */
b = ldub(s->pc++) | 0x100;
goto reswitch;
/**************************/
/* arith & logic */
case 0x00 ... 0x05:
case 0x08 ... 0x0d:
case 0x10 ... 0x15:
case 0x18 ... 0x1d:
case 0x20 ... 0x25:
case 0x28 ... 0x2d:
case 0x30 ... 0x35:
case 0x38 ... 0x3d:
{
int op, f, val;
op = (b >> 3) & 7;
f = (b >> 1) & 3;
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
switch(f) {
case 0: /* OP Ev, Gv */
modrm = ldub(s->pc++);
reg = ((modrm >> 3) & 7) + OR_EAX;
mod = (modrm >> 6) & 3;
rm = modrm & 7;
if (mod != 3) {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_ld_T0_A0[ot]();
opreg = OR_TMP0;
} else {
opreg = OR_EAX + rm;
}
gen_op(s, op, ot, opreg, reg);
if (mod != 3 && op != 7) {
gen_op_st_T0_A0[ot]();
}
break;
case 1: /* OP Gv, Ev */
modrm = ldub(s->pc++);
mod = (modrm >> 6) & 3;
reg = ((modrm >> 3) & 7) + OR_EAX;
rm = modrm & 7;
if (mod != 3) {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_ld_T1_A0[ot]();
opreg = OR_TMP1;
} else {
opreg = OR_EAX + rm;
}
gen_op(s, op, ot, reg, opreg);
break;
case 2: /* OP A, Iv */
val = insn_get(s, ot);
gen_opi(s, op, ot, OR_EAX, val);
break;
}
}
break;
case 0x80: /* GRP1 */
case 0x81:
case 0x83:
{
int val;
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
mod = (modrm >> 6) & 3;
rm = modrm & 7;
op = (modrm >> 3) & 7;
if (mod != 3) {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_ld_T0_A0[ot]();
opreg = OR_TMP0;
} else {
opreg = rm + OR_EAX;
}
switch(b) {
default:
case 0x80:
case 0x81:
val = insn_get(s, ot);
break;
case 0x83:
val = (int8_t)insn_get(s, OT_BYTE);
break;
}
gen_opi(s, op, ot, opreg, val);
if (op != 7 && mod != 3) {
gen_op_st_T0_A0[ot]();
}
}
break;
/**************************/
/* inc, dec, and other misc arith */
case 0x40 ... 0x47: /* inc Gv */
ot = dflag ? OT_LONG : OT_WORD;
gen_inc(s, ot, OR_EAX + (b & 7), 1);
break;
case 0x48 ... 0x4f: /* dec Gv */
ot = dflag ? OT_LONG : OT_WORD;
gen_inc(s, ot, OR_EAX + (b & 7), -1);
break;
case 0xf6: /* GRP3 */
case 0xf7:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
mod = (modrm >> 6) & 3;
rm = modrm & 7;
op = (modrm >> 3) & 7;
if (mod != 3) {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_ld_T0_A0[ot]();
} else {
gen_op_mov_TN_reg[ot][0][rm]();
}
switch(op) {
case 0: /* test */
val = insn_get(s, ot);
gen_op_movl_T1_im(val);
gen_op_testl_T0_T1_cc();
s->cc_op = CC_OP_LOGICB + ot;
break;
case 2: /* not */
gen_op_notl_T0();
if (mod != 3) {
gen_op_st_T0_A0[ot]();
} else {
gen_op_mov_reg_T0[ot][rm]();
}
break;
case 3: /* neg */
gen_op_negl_T0_cc();
if (mod != 3) {
gen_op_st_T0_A0[ot]();
} else {
gen_op_mov_reg_T0[ot][rm]();
}
s->cc_op = CC_OP_SUBB + ot;
break;
case 4: /* mul */
switch(ot) {
case OT_BYTE:
gen_op_mulb_AL_T0();
break;
case OT_WORD:
gen_op_mulw_AX_T0();
break;
default:
case OT_LONG:
gen_op_mull_EAX_T0();
break;
}
s->cc_op = CC_OP_MUL;
break;
case 5: /* imul */
switch(ot) {
case OT_BYTE:
gen_op_imulb_AL_T0();
break;
case OT_WORD:
gen_op_imulw_AX_T0();
break;
default:
case OT_LONG:
gen_op_imull_EAX_T0();
break;
}
s->cc_op = CC_OP_MUL;
break;
case 6: /* div */
switch(ot) {
case OT_BYTE:
gen_op_divb_AL_T0();
break;
case OT_WORD:
gen_op_divw_AX_T0();
break;
default:
case OT_LONG:
gen_op_divl_EAX_T0();
break;
}
break;
case 7: /* idiv */
switch(ot) {
case OT_BYTE:
gen_op_idivb_AL_T0();
break;
case OT_WORD:
gen_op_idivw_AX_T0();
break;
default:
case OT_LONG:
gen_op_idivl_EAX_T0();
break;
}
break;
default:
goto illegal_op;
}
break;
case 0xfe: /* GRP4 */
case 0xff: /* GRP5 */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
mod = (modrm >> 6) & 3;
rm = modrm & 7;
op = (modrm >> 3) & 7;
if (op >= 2 && b == 0xfe) {
goto illegal_op;
}
if (mod != 3) {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
if (op != 3 && op != 5)
gen_op_ld_T0_A0[ot]();
} else {
gen_op_mov_TN_reg[ot][0][rm]();
}
switch(op) {
case 0: /* inc Ev */
gen_inc(s, ot, OR_TMP0, 1);
if (mod != 3)
gen_op_st_T0_A0[ot]();
else
gen_op_mov_reg_T0[ot][rm]();
break;
case 1: /* dec Ev */
gen_inc(s, ot, OR_TMP0, -1);
if (mod != 3)
gen_op_st_T0_A0[ot]();
else
gen_op_mov_reg_T0[ot][rm]();
break;
case 2: /* call Ev */
/* XXX: optimize if memory (no and is necessary) */
if (s->dflag == 0)
gen_op_andl_T0_ffff();
gen_op_jmp_T0();
next_eip = s->pc - s->cs_base;
gen_op_movl_T0_im(next_eip);
gen_push_T0(s);
s->is_jmp = 1;
break;
case 3: /* lcall Ev */
/* push return segment + offset */
gen_op_movl_T0_seg(R_CS);
gen_push_T0(s);
next_eip = s->pc - s->cs_base;
gen_op_movl_T0_im(next_eip);
gen_push_T0(s);
gen_op_ld_T1_A0[ot]();
gen_op_addl_A0_im(1 << (ot - OT_WORD + 1));
gen_op_lduw_T0_A0();
gen_movl_seg_T0(s, R_CS);
gen_op_movl_T0_T1();
gen_op_jmp_T0();
s->is_jmp = 1;
break;
case 4: /* jmp Ev */
if (s->dflag == 0)
gen_op_andl_T0_ffff();
gen_op_jmp_T0();
s->is_jmp = 1;
break;
case 5: /* ljmp Ev */
gen_op_ld_T1_A0[ot]();
gen_op_addl_A0_im(1 << (ot - OT_WORD + 1));
gen_op_lduw_T0_A0();
gen_movl_seg_T0(s, R_CS);
gen_op_movl_T0_T1();
gen_op_jmp_T0();
s->is_jmp = 1;
break;
case 6: /* push Ev */
gen_push_T0(s);
break;
default:
goto illegal_op;
}
break;
case 0x84: /* test Ev, Gv */
case 0x85:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
mod = (modrm >> 6) & 3;
rm = modrm & 7;
reg = (modrm >> 3) & 7;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
gen_op_mov_TN_reg[ot][1][reg + OR_EAX]();
gen_op_testl_T0_T1_cc();
s->cc_op = CC_OP_LOGICB + ot;
break;
case 0xa8: /* test eAX, Iv */
case 0xa9:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
val = insn_get(s, ot);
gen_op_mov_TN_reg[ot][0][OR_EAX]();
gen_op_movl_T1_im(val);
gen_op_testl_T0_T1_cc();
s->cc_op = CC_OP_LOGICB + ot;
break;
case 0x98: /* CWDE/CBW */
if (dflag)
gen_op_movswl_EAX_AX();
else
gen_op_movsbw_AX_AL();
break;
case 0x99: /* CDQ/CWD */
if (dflag)
gen_op_movslq_EDX_EAX();
else
gen_op_movswl_DX_AX();
break;
case 0x1af: /* imul Gv, Ev */
case 0x69: /* imul Gv, Ev, I */
case 0x6b:
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = ((modrm >> 3) & 7) + OR_EAX;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
if (b == 0x69) {
val = insn_get(s, ot);
gen_op_movl_T1_im(val);
} else if (b == 0x6b) {
val = insn_get(s, OT_BYTE);
gen_op_movl_T1_im(val);
} else {
gen_op_mov_TN_reg[ot][1][reg]();
}
if (ot == OT_LONG) {
gen_op_imull_T0_T1();
} else {
gen_op_imulw_T0_T1();
}
gen_op_mov_reg_T0[ot][reg]();
s->cc_op = CC_OP_MUL;
break;
case 0x1c0:
case 0x1c1: /* xadd Ev, Gv */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
if (mod == 3) {
rm = modrm & 7;
gen_op_mov_TN_reg[ot][0][reg]();
gen_op_mov_TN_reg[ot][1][rm]();
gen_op_addl_T0_T1_cc();
gen_op_mov_reg_T0[ot][rm]();
gen_op_mov_reg_T1[ot][reg]();
} else {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_mov_TN_reg[ot][0][reg]();
gen_op_ld_T1_A0[ot]();
gen_op_addl_T0_T1_cc();
gen_op_st_T0_A0[ot]();
gen_op_mov_reg_T1[ot][reg]();
}
s->cc_op = CC_OP_ADDB + ot;
break;
case 0x1b0:
case 0x1b1: /* cmpxchg Ev, Gv */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
gen_op_mov_TN_reg[ot][1][reg]();
if (mod == 3) {
rm = modrm & 7;
gen_op_mov_TN_reg[ot][0][rm]();
gen_op_cmpxchg_T0_T1_EAX_cc[ot]();
gen_op_mov_reg_T0[ot][rm]();
} else {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_ld_T0_A0[ot]();
gen_op_cmpxchg_T0_T1_EAX_cc[ot]();
gen_op_st_T0_A0[ot]();
}
s->cc_op = CC_OP_SUBB + ot;
break;
case 0x1c7: /* cmpxchg8b */
modrm = ldub(s->pc++);
mod = (modrm >> 6) & 3;
if (mod == 3)
goto illegal_op;
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_cmpxchg8b();
s->cc_op = CC_OP_EFLAGS;
break;
/**************************/
/* push/pop */
case 0x50 ... 0x57: /* push */
gen_op_mov_TN_reg[OT_LONG][0][b & 7]();
gen_push_T0(s);
break;
case 0x58 ... 0x5f: /* pop */
ot = dflag ? OT_LONG : OT_WORD;
gen_pop_T0(s);
gen_op_mov_reg_T0[ot][b & 7]();
gen_pop_update(s);
break;
case 0x60: /* pusha */
gen_pusha(s);
break;
case 0x61: /* popa */
gen_popa(s);
break;
case 0x68: /* push Iv */
case 0x6a:
ot = dflag ? OT_LONG : OT_WORD;
if (b == 0x68)
val = insn_get(s, ot);
else
val = (int8_t)insn_get(s, OT_BYTE);
gen_op_movl_T0_im(val);
gen_push_T0(s);
break;
case 0x8f: /* pop Ev */
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
gen_pop_T0(s);
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
gen_pop_update(s);
break;
case 0xc8: /* enter */
{
int level;
val = lduw(s->pc);
s->pc += 2;
level = ldub(s->pc++);
gen_enter(s, val, level);
}
break;
case 0xc9: /* leave */
/* XXX: exception not precise (ESP is update before potential exception) */
if (s->ss32) {
gen_op_mov_TN_reg[OT_LONG][0][R_EBP]();
gen_op_mov_reg_T0[OT_LONG][R_ESP]();
} else {
gen_op_mov_TN_reg[OT_WORD][0][R_EBP]();
gen_op_mov_reg_T0[OT_WORD][R_ESP]();
}
gen_pop_T0(s);
ot = dflag ? OT_LONG : OT_WORD;
gen_op_mov_reg_T0[ot][R_EBP]();
gen_pop_update(s);
break;
case 0x06: /* push es */
case 0x0e: /* push cs */
case 0x16: /* push ss */
case 0x1e: /* push ds */
gen_op_movl_T0_seg(b >> 3);
gen_push_T0(s);
break;
case 0x1a0: /* push fs */
case 0x1a8: /* push gs */
gen_op_movl_T0_seg((b >> 3) & 7);
gen_push_T0(s);
break;
case 0x07: /* pop es */
case 0x17: /* pop ss */
case 0x1f: /* pop ds */
gen_pop_T0(s);
gen_movl_seg_T0(s, b >> 3);
gen_pop_update(s);
break;
case 0x1a1: /* pop fs */
case 0x1a9: /* pop gs */
gen_pop_T0(s);
gen_movl_seg_T0(s, (b >> 3) & 7);
gen_pop_update(s);
break;
/**************************/
/* mov */
case 0x88:
case 0x89: /* mov Gv, Ev */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
/* generate a generic store */
gen_ldst_modrm(s, modrm, ot, OR_EAX + reg, 1);
break;
case 0xc6:
case 0xc7: /* mov Ev, Iv */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
mod = (modrm >> 6) & 3;
if (mod != 3)
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
val = insn_get(s, ot);
gen_op_movl_T0_im(val);
if (mod != 3)
gen_op_st_T0_A0[ot]();
else
gen_op_mov_reg_T0[ot][modrm & 7]();
break;
case 0x8a:
case 0x8b: /* mov Ev, Gv */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
gen_op_mov_reg_T0[ot][reg]();
break;
case 0x8e: /* mov seg, Gv */
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
if (reg >= 6 || reg == R_CS)
goto illegal_op;
gen_movl_seg_T0(s, reg);
break;
case 0x8c: /* mov Gv, seg */
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
if (reg >= 6)
goto illegal_op;
gen_op_movl_T0_seg(reg);
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 1);
break;
case 0x1b6: /* movzbS Gv, Eb */
case 0x1b7: /* movzwS Gv, Eb */
case 0x1be: /* movsbS Gv, Eb */
case 0x1bf: /* movswS Gv, Eb */
{
int d_ot;
/* d_ot is the size of destination */
d_ot = dflag + OT_WORD;
/* ot is the size of source */
ot = (b & 1) + OT_BYTE;
modrm = ldub(s->pc++);
reg = ((modrm >> 3) & 7) + OR_EAX;
mod = (modrm >> 6) & 3;
rm = modrm & 7;
if (mod == 3) {
gen_op_mov_TN_reg[ot][0][rm]();
switch(ot | (b & 8)) {
case OT_BYTE:
gen_op_movzbl_T0_T0();
break;
case OT_BYTE | 8:
gen_op_movsbl_T0_T0();
break;
case OT_WORD:
gen_op_movzwl_T0_T0();
break;
default:
case OT_WORD | 8:
gen_op_movswl_T0_T0();
break;
}
gen_op_mov_reg_T0[d_ot][reg]();
} else {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
if (b & 8) {
gen_op_lds_T0_A0[ot]();
} else {
gen_op_ldu_T0_A0[ot]();
}
gen_op_mov_reg_T0[d_ot][reg]();
}
}
break;
case 0x8d: /* lea */
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
/* we must ensure that no segment is added */
s->override = -1;
val = s->addseg;
s->addseg = 0;
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
s->addseg = val;
gen_op_mov_reg_A0[ot - OT_WORD][reg]();
break;
case 0xa0: /* mov EAX, Ov */
case 0xa1:
case 0xa2: /* mov Ov, EAX */
case 0xa3:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
if (s->aflag)
offset_addr = insn_get(s, OT_LONG);
else
offset_addr = insn_get(s, OT_WORD);
gen_op_movl_A0_im(offset_addr);
/* handle override */
{
int override, must_add_seg;
must_add_seg = s->addseg;
if (s->override >= 0) {
override = s->override;
must_add_seg = 1;
} else {
override = R_DS;
}
if (must_add_seg) {
gen_op_addl_A0_seg(offsetof(CPUX86State,seg_cache[override].base));
}
}
if ((b & 2) == 0) {
gen_op_ld_T0_A0[ot]();
gen_op_mov_reg_T0[ot][R_EAX]();
} else {
gen_op_mov_TN_reg[ot][0][R_EAX]();
gen_op_st_T0_A0[ot]();
}
break;
case 0xd7: /* xlat */
gen_op_movl_A0_reg[R_EBX]();
gen_op_addl_A0_AL();
if (s->aflag == 0)
gen_op_andl_A0_ffff();
/* handle override */
{
int override, must_add_seg;
must_add_seg = s->addseg;
override = R_DS;
if (s->override >= 0) {
override = s->override;
must_add_seg = 1;
} else {
override = R_DS;
}
if (must_add_seg) {
gen_op_addl_A0_seg(offsetof(CPUX86State,seg_cache[override].base));
}
}
gen_op_ldub_T0_A0();
gen_op_mov_reg_T0[OT_BYTE][R_EAX]();
break;
case 0xb0 ... 0xb7: /* mov R, Ib */
val = insn_get(s, OT_BYTE);
gen_op_movl_T0_im(val);
gen_op_mov_reg_T0[OT_BYTE][b & 7]();
break;
case 0xb8 ... 0xbf: /* mov R, Iv */
ot = dflag ? OT_LONG : OT_WORD;
val = insn_get(s, ot);
reg = OR_EAX + (b & 7);
gen_op_movl_T0_im(val);
gen_op_mov_reg_T0[ot][reg]();
break;
case 0x91 ... 0x97: /* xchg R, EAX */
ot = dflag ? OT_LONG : OT_WORD;
reg = b & 7;
rm = R_EAX;
goto do_xchg_reg;
case 0x86:
case 0x87: /* xchg Ev, Gv */
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
if (mod == 3) {
rm = modrm & 7;
do_xchg_reg:
gen_op_mov_TN_reg[ot][0][reg]();
gen_op_mov_TN_reg[ot][1][rm]();
gen_op_mov_reg_T0[ot][rm]();
gen_op_mov_reg_T1[ot][reg]();
} else {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_mov_TN_reg[ot][0][reg]();
/* for xchg, lock is implicit */
if (!(prefixes & PREFIX_LOCK))
gen_op_lock();
gen_op_ld_T1_A0[ot]();
gen_op_st_T0_A0[ot]();
if (!(prefixes & PREFIX_LOCK))
gen_op_unlock();
gen_op_mov_reg_T1[ot][reg]();
}
break;
case 0xc4: /* les Gv */
op = R_ES;
goto do_lxx;
case 0xc5: /* lds Gv */
op = R_DS;
goto do_lxx;
case 0x1b2: /* lss Gv */
op = R_SS;
goto do_lxx;
case 0x1b4: /* lfs Gv */
op = R_FS;
goto do_lxx;
case 0x1b5: /* lgs Gv */
op = R_GS;
do_lxx:
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
if (mod == 3)
goto illegal_op;
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_ld_T1_A0[ot]();
gen_op_addl_A0_im(1 << (ot - OT_WORD + 1));
/* load the segment first to handle exceptions properly */
gen_op_lduw_T0_A0();
gen_movl_seg_T0(s, op);
/* then put the data */
gen_op_mov_reg_T1[ot][reg]();
break;
/************************/
/* shifts */
case 0xc0:
case 0xc1:
/* shift Ev,Ib */
shift = 2;
grp2:
{
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
mod = (modrm >> 6) & 3;
rm = modrm & 7;
op = (modrm >> 3) & 7;
if (mod != 3) {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_ld_T0_A0[ot]();
opreg = OR_TMP0;
} else {
opreg = rm + OR_EAX;
}
/* simpler op */
if (shift == 0) {
gen_shift(s, op, ot, opreg, OR_ECX);
} else {
if (shift == 2) {
shift = ldub(s->pc++);
}
gen_shifti(s, op, ot, opreg, shift);
}
if (mod != 3) {
gen_op_st_T0_A0[ot]();
}
}
break;
case 0xd0:
case 0xd1:
/* shift Ev,1 */
shift = 1;
goto grp2;
case 0xd2:
case 0xd3:
/* shift Ev,cl */
shift = 0;
goto grp2;
case 0x1a4: /* shld imm */
op = 0;
shift = 1;
goto do_shiftd;
case 0x1a5: /* shld cl */
op = 0;
shift = 0;
goto do_shiftd;
case 0x1ac: /* shrd imm */
op = 1;
shift = 1;
goto do_shiftd;
case 0x1ad: /* shrd cl */
op = 1;
shift = 0;
do_shiftd:
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
mod = (modrm >> 6) & 3;
rm = modrm & 7;
reg = (modrm >> 3) & 7;
if (mod != 3) {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_ld_T0_A0[ot]();
} else {
gen_op_mov_TN_reg[ot][0][rm]();
}
gen_op_mov_TN_reg[ot][1][reg]();
if (shift) {
val = ldub(s->pc++);
val &= 0x1f;
if (val) {
gen_op_shiftd_T0_T1_im_cc[ot - OT_WORD][op](val);
if (op == 0 && ot != OT_WORD)
s->cc_op = CC_OP_SHLB + ot;
else
s->cc_op = CC_OP_SARB + ot;
}
} else {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_shiftd_T0_T1_ECX_cc[ot - OT_WORD][op]();
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
}
if (mod != 3) {
gen_op_st_T0_A0[ot]();
} else {
gen_op_mov_reg_T0[ot][rm]();
}
break;
/************************/
/* floats */
case 0xd8 ... 0xdf:
modrm = ldub(s->pc++);
mod = (modrm >> 6) & 3;
rm = modrm & 7;
op = ((b & 7) << 3) | ((modrm >> 3) & 7);
if (mod != 3) {
/* memory op */
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
switch(op) {
case 0x00 ... 0x07: /* fxxxs */
case 0x10 ... 0x17: /* fixxxl */
case 0x20 ... 0x27: /* fxxxl */
case 0x30 ... 0x37: /* fixxx */
{
int op1;
op1 = op & 7;
switch(op >> 4) {
case 0:
gen_op_flds_FT0_A0();
break;
case 1:
gen_op_fildl_FT0_A0();
break;
case 2:
gen_op_fldl_FT0_A0();
break;
case 3:
default:
gen_op_fild_FT0_A0();
break;
}
gen_op_fp_arith_ST0_FT0[op1]();
if (op1 == 3) {
/* fcomp needs pop */
gen_op_fpop();
}
}
break;
case 0x08: /* flds */
case 0x0a: /* fsts */
case 0x0b: /* fstps */
case 0x18: /* fildl */
case 0x1a: /* fistl */
case 0x1b: /* fistpl */
case 0x28: /* fldl */
case 0x2a: /* fstl */
case 0x2b: /* fstpl */
case 0x38: /* filds */
case 0x3a: /* fists */
case 0x3b: /* fistps */
switch(op & 7) {
case 0:
gen_op_fpush();
switch(op >> 4) {
case 0:
gen_op_flds_ST0_A0();
break;
case 1:
gen_op_fildl_ST0_A0();
break;
case 2:
gen_op_fldl_ST0_A0();
break;
case 3:
default:
gen_op_fild_ST0_A0();
break;
}
break;
default:
switch(op >> 4) {
case 0:
gen_op_fsts_ST0_A0();
break;
case 1:
gen_op_fistl_ST0_A0();
break;
case 2:
gen_op_fstl_ST0_A0();
break;
case 3:
default:
gen_op_fist_ST0_A0();
break;
}
if ((op & 7) == 3)
gen_op_fpop();
break;
}
break;
case 0x0d: /* fldcw mem */
gen_op_fldcw_A0();
break;
case 0x0f: /* fnstcw mem */
gen_op_fnstcw_A0();
break;
case 0x1d: /* fldt mem */
gen_op_fpush();
gen_op_fldt_ST0_A0();
break;
case 0x1f: /* fstpt mem */
gen_op_fstt_ST0_A0();
gen_op_fpop();
break;
case 0x2f: /* fnstsw mem */
gen_op_fnstsw_A0();
break;
case 0x3c: /* fbld */
gen_op_fpush();
gen_op_fbld_ST0_A0();
break;
case 0x3e: /* fbstp */
gen_op_fbst_ST0_A0();
gen_op_fpop();
break;
case 0x3d: /* fildll */
gen_op_fpush();
gen_op_fildll_ST0_A0();
break;
case 0x3f: /* fistpll */
gen_op_fistll_ST0_A0();
gen_op_fpop();
break;
default:
goto illegal_op;
}
} else {
/* register float ops */
opreg = rm;
switch(op) {
case 0x08: /* fld sti */
gen_op_fpush();
gen_op_fmov_ST0_STN((opreg + 1) & 7);
break;
case 0x09: /* fxchg sti */
gen_op_fxchg_ST0_STN(opreg);
break;
case 0x0a: /* grp d9/2 */
switch(rm) {
case 0: /* fnop */
break;
default:
goto illegal_op;
}
break;
case 0x0c: /* grp d9/4 */
switch(rm) {
case 0: /* fchs */
gen_op_fchs_ST0();
break;
case 1: /* fabs */
gen_op_fabs_ST0();
break;
case 4: /* ftst */
gen_op_fldz_FT0();
gen_op_fcom_ST0_FT0();
break;
case 5: /* fxam */
gen_op_fxam_ST0();
break;
default:
goto illegal_op;
}
break;
case 0x0d: /* grp d9/5 */
{
switch(rm) {
case 0:
gen_op_fpush();
gen_op_fld1_ST0();
break;
case 1:
gen_op_fpush();
gen_op_fldl2t_ST0();
break;
case 2:
gen_op_fpush();
gen_op_fldl2e_ST0();
break;
case 3:
gen_op_fpush();
gen_op_fldpi_ST0();
break;
case 4:
gen_op_fpush();
gen_op_fldlg2_ST0();
break;
case 5:
gen_op_fpush();
gen_op_fldln2_ST0();
break;
case 6:
gen_op_fpush();
gen_op_fldz_ST0();
break;
default:
goto illegal_op;
}
}
break;
case 0x0e: /* grp d9/6 */
switch(rm) {
case 0: /* f2xm1 */
gen_op_f2xm1();
break;
case 1: /* fyl2x */
gen_op_fyl2x();
break;
case 2: /* fptan */
gen_op_fptan();
break;
case 3: /* fpatan */
gen_op_fpatan();
break;
case 4: /* fxtract */
gen_op_fxtract();
break;
case 5: /* fprem1 */
gen_op_fprem1();
break;
case 6: /* fdecstp */
gen_op_fdecstp();
break;
default:
case 7: /* fincstp */
gen_op_fincstp();
break;
}
break;
case 0x0f: /* grp d9/7 */
switch(rm) {
case 0: /* fprem */
gen_op_fprem();
break;
case 1: /* fyl2xp1 */
gen_op_fyl2xp1();
break;
case 2: /* fsqrt */
gen_op_fsqrt();
break;
case 3: /* fsincos */
gen_op_fsincos();
break;
case 5: /* fscale */
gen_op_fscale();
break;
case 4: /* frndint */
gen_op_frndint();
break;
case 6: /* fsin */
gen_op_fsin();
break;
default:
case 7: /* fcos */
gen_op_fcos();
break;
}
break;
case 0x00: case 0x01: case 0x04 ... 0x07: /* fxxx st, sti */
case 0x20: case 0x21: case 0x24 ... 0x27: /* fxxx sti, st */
case 0x30: case 0x31: case 0x34 ... 0x37: /* fxxxp sti, st */
{
int op1;
op1 = op & 7;
if (op >= 0x20) {
gen_op_fp_arith_STN_ST0[op1](opreg);
if (op >= 0x30)
gen_op_fpop();
} else {
gen_op_fmov_FT0_STN(opreg);
gen_op_fp_arith_ST0_FT0[op1]();
}
}
break;
case 0x02: /* fcom */
gen_op_fmov_FT0_STN(opreg);
gen_op_fcom_ST0_FT0();
break;
case 0x03: /* fcomp */
gen_op_fmov_FT0_STN(opreg);
gen_op_fcom_ST0_FT0();
gen_op_fpop();
break;
case 0x15: /* da/5 */
switch(rm) {
case 1: /* fucompp */
gen_op_fmov_FT0_STN(1);
gen_op_fucom_ST0_FT0();
gen_op_fpop();
gen_op_fpop();
break;
default:
goto illegal_op;
}
break;
case 0x1c:
switch(rm) {
case 2: /* fclex */
gen_op_fclex();
break;
case 3: /* fninit */
gen_op_fninit();
break;
default:
goto illegal_op;
}
break;
case 0x2a: /* fst sti */
gen_op_fmov_STN_ST0(opreg);
break;
case 0x2b: /* fstp sti */
gen_op_fmov_STN_ST0(opreg);
gen_op_fpop();
break;
case 0x2c: /* fucom st(i) */
gen_op_fmov_FT0_STN(opreg);
gen_op_fucom_ST0_FT0();
break;
case 0x2d: /* fucomp st(i) */
gen_op_fmov_FT0_STN(opreg);
gen_op_fucom_ST0_FT0();
gen_op_fpop();
break;
case 0x33: /* de/3 */
switch(rm) {
case 1: /* fcompp */
gen_op_fmov_FT0_STN(1);
gen_op_fcom_ST0_FT0();
gen_op_fpop();
gen_op_fpop();
break;
default:
goto illegal_op;
}
break;
case 0x3c: /* df/4 */
switch(rm) {
case 0:
gen_op_fnstsw_EAX();
break;
default:
goto illegal_op;
}
break;
default:
goto illegal_op;
}
}
break;
/************************/
/* string ops */
case 0xa4: /* movsS */
case 0xa5:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
if (prefixes & PREFIX_REPZ) {
gen_string_ds(s, ot, gen_op_movs + 9);
} else {
gen_string_ds(s, ot, gen_op_movs);
}
break;
case 0xaa: /* stosS */
case 0xab:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
if (prefixes & PREFIX_REPZ) {
gen_string_es(s, ot, gen_op_stos + 9);
} else {
gen_string_es(s, ot, gen_op_stos);
}
break;
case 0xac: /* lodsS */
case 0xad:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
if (prefixes & PREFIX_REPZ) {
gen_string_ds(s, ot, gen_op_lods + 9);
} else {
gen_string_ds(s, ot, gen_op_lods);
}
break;
case 0xae: /* scasS */
case 0xaf:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
if (prefixes & PREFIX_REPNZ) {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_string_es(s, ot, gen_op_scas + 9 * 2);
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
} else if (prefixes & PREFIX_REPZ) {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_string_es(s, ot, gen_op_scas + 9);
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
} else {
gen_string_es(s, ot, gen_op_scas);
s->cc_op = CC_OP_SUBB + ot;
}
break;
case 0xa6: /* cmpsS */
case 0xa7:
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
if (prefixes & PREFIX_REPNZ) {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_string_ds(s, ot, gen_op_cmps + 9 * 2);
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
} else if (prefixes & PREFIX_REPZ) {
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_string_ds(s, ot, gen_op_cmps + 9);
s->cc_op = CC_OP_DYNAMIC; /* cannot predict flags after */
} else {
gen_string_ds(s, ot, gen_op_cmps);
s->cc_op = CC_OP_SUBB + ot;
}
break;
case 0x6c: /* insS */
case 0x6d:
if (s->cpl > s->iopl || s->vm86) {
/* NOTE: even for (E)CX = 0 the exception is raised */
gen_op_gpf(pc_start - s->cs_base);
} else {
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
if (prefixes & PREFIX_REPZ) {
gen_string_es(s, ot, gen_op_ins + 9);
} else {
gen_string_es(s, ot, gen_op_ins);
}
}
break;
case 0x6e: /* outsS */
case 0x6f:
if (s->cpl > s->iopl || s->vm86) {
/* NOTE: even for (E)CX = 0 the exception is raised */
gen_op_gpf(pc_start - s->cs_base);
} else {
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
if (prefixes & PREFIX_REPZ) {
gen_string_ds(s, ot, gen_op_outs + 9);
} else {
gen_string_ds(s, ot, gen_op_outs);
}
}
break;
/************************/
/* port I/O */
case 0xe4:
case 0xe5:
if (s->cpl > s->iopl || s->vm86) {
gen_op_gpf(pc_start - s->cs_base);
} else {
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
val = ldub(s->pc++);
gen_op_movl_T0_im(val);
gen_op_in[ot]();
gen_op_mov_reg_T1[ot][R_EAX]();
}
break;
case 0xe6:
case 0xe7:
if (s->cpl > s->iopl || s->vm86) {
gen_op_gpf(pc_start - s->cs_base);
} else {
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
val = ldub(s->pc++);
gen_op_movl_T0_im(val);
gen_op_mov_TN_reg[ot][1][R_EAX]();
gen_op_out[ot]();
}
break;
case 0xec:
case 0xed:
if (s->cpl > s->iopl || s->vm86) {
gen_op_gpf(pc_start - s->cs_base);
} else {
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
gen_op_mov_TN_reg[OT_WORD][0][R_EDX]();
gen_op_in[ot]();
gen_op_mov_reg_T1[ot][R_EAX]();
}
break;
case 0xee:
case 0xef:
if (s->cpl > s->iopl || s->vm86) {
gen_op_gpf(pc_start - s->cs_base);
} else {
if ((b & 1) == 0)
ot = OT_BYTE;
else
ot = dflag ? OT_LONG : OT_WORD;
gen_op_mov_TN_reg[OT_WORD][0][R_EDX]();
gen_op_mov_TN_reg[ot][1][R_EAX]();
gen_op_out[ot]();
}
break;
/************************/
/* control */
case 0xc2: /* ret im */
val = ldsw(s->pc);
s->pc += 2;
gen_pop_T0(s);
if (s->ss32)
gen_op_addl_ESP_im(val + (2 << s->dflag));
else
gen_op_addw_ESP_im(val + (2 << s->dflag));
if (s->dflag == 0)
gen_op_andl_T0_ffff();
gen_op_jmp_T0();
s->is_jmp = 1;
break;
case 0xc3: /* ret */
gen_pop_T0(s);
gen_pop_update(s);
if (s->dflag == 0)
gen_op_andl_T0_ffff();
gen_op_jmp_T0();
s->is_jmp = 1;
break;
case 0xca: /* lret im */
/* XXX: not restartable */
val = ldsw(s->pc);
s->pc += 2;
/* pop offset */
gen_pop_T0(s);
if (s->dflag == 0)
gen_op_andl_T0_ffff();
gen_op_jmp_T0();
gen_pop_update(s);
/* pop selector */
gen_pop_T0(s);
gen_movl_seg_T0(s, R_CS);
gen_pop_update(s);
/* add stack offset */
if (s->ss32)
gen_op_addl_ESP_im(val + (2 << s->dflag));
else
gen_op_addw_ESP_im(val + (2 << s->dflag));
s->is_jmp = 1;
break;
case 0xcb: /* lret */
/* XXX: not restartable */
/* pop offset */
gen_pop_T0(s);
if (s->dflag == 0)
gen_op_andl_T0_ffff();
gen_op_jmp_T0();
gen_pop_update(s);
/* pop selector */
gen_pop_T0(s);
gen_movl_seg_T0(s, R_CS);
gen_pop_update(s);
s->is_jmp = 1;
break;
case 0xcf: /* iret */
/* XXX: not restartable */
/* pop offset */
gen_pop_T0(s);
if (s->dflag == 0)
gen_op_andl_T0_ffff();
gen_op_jmp_T0();
gen_pop_update(s);
/* pop selector */
gen_pop_T0(s);
gen_movl_seg_T0(s, R_CS);
gen_pop_update(s);
/* pop eflags */
gen_pop_T0(s);
if (s->dflag) {
if (s->vm86)
gen_op_movl_eflags_T0_vm(pc_start - s->cs_base);
else
gen_op_movl_eflags_T0();
} else {
if (s->vm86)
gen_op_movw_eflags_T0_vm(pc_start - s->cs_base);
else
gen_op_movw_eflags_T0();
}
gen_pop_update(s);
s->cc_op = CC_OP_EFLAGS;
s->is_jmp = 1;
break;
case 0xe8: /* call im */
{
unsigned int next_eip;
ot = dflag ? OT_LONG : OT_WORD;
val = insn_get(s, ot);
next_eip = s->pc - s->cs_base;
val += next_eip;
if (s->dflag == 0)
val &= 0xffff;
gen_op_movl_T0_im(next_eip);
gen_push_T0(s);
gen_op_jmp_im(val);
s->is_jmp = 1;
}
break;
case 0x9a: /* lcall im */
{
unsigned int selector, offset;
ot = dflag ? OT_LONG : OT_WORD;
offset = insn_get(s, ot);
selector = insn_get(s, OT_WORD);
/* push return segment + offset */
gen_op_movl_T0_seg(R_CS);
gen_push_T0(s);
next_eip = s->pc - s->cs_base;
gen_op_movl_T0_im(next_eip);
gen_push_T0(s);
/* change cs and pc */
gen_op_movl_T0_im(selector);
gen_movl_seg_T0(s, R_CS);
gen_op_jmp_im((unsigned long)offset);
s->is_jmp = 1;
}
break;
case 0xe9: /* jmp */
ot = dflag ? OT_LONG : OT_WORD;
val = insn_get(s, ot);
val += s->pc - s->cs_base;
if (s->dflag == 0)
val = val & 0xffff;
gen_op_jmp_im(val);
s->is_jmp = 1;
break;
case 0xea: /* ljmp im */
{
unsigned int selector, offset;
ot = dflag ? OT_LONG : OT_WORD;
offset = insn_get(s, ot);
selector = insn_get(s, OT_WORD);
/* change cs and pc */
gen_op_movl_T0_im(selector);
gen_movl_seg_T0(s, R_CS);
gen_op_jmp_im((unsigned long)offset);
s->is_jmp = 1;
}
break;
case 0xeb: /* jmp Jb */
val = (int8_t)insn_get(s, OT_BYTE);
val += s->pc - s->cs_base;
if (s->dflag == 0)
val = val & 0xffff;
gen_op_jmp_im(val);
s->is_jmp = 1;
break;
case 0x70 ... 0x7f: /* jcc Jb */
val = (int8_t)insn_get(s, OT_BYTE);
goto do_jcc;
case 0x180 ... 0x18f: /* jcc Jv */
if (dflag) {
val = insn_get(s, OT_LONG);
} else {
val = (int16_t)insn_get(s, OT_WORD);
}
do_jcc:
next_eip = s->pc - s->cs_base;
val += next_eip;
if (s->dflag == 0)
val &= 0xffff;
gen_jcc(s, b, val, next_eip);
s->is_jmp = 1;
break;
case 0x190 ... 0x19f: /* setcc Gv */
modrm = ldub(s->pc++);
gen_setcc(s, b);
gen_ldst_modrm(s, modrm, OT_BYTE, OR_TMP0, 1);
break;
case 0x140 ... 0x14f: /* cmov Gv, Ev */
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
gen_setcc(s, b);
if (mod != 3) {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_ld_T1_A0[ot]();
} else {
rm = modrm & 7;
gen_op_mov_TN_reg[ot][1][rm]();
}
gen_op_cmov_reg_T1_T0[ot - OT_WORD][reg]();
break;
/************************/
/* flags */
case 0x9c: /* pushf */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
if (s->vm86)
gen_op_movl_T0_eflags_vm();
else
gen_op_movl_T0_eflags();
gen_push_T0(s);
break;
case 0x9d: /* popf */
gen_pop_T0(s);
if (s->dflag) {
if (s->vm86)
gen_op_movl_eflags_T0_vm(pc_start - s->cs_base);
else
gen_op_movl_eflags_T0();
} else {
if (s->vm86)
gen_op_movw_eflags_T0_vm(pc_start - s->cs_base);
else
gen_op_movw_eflags_T0();
}
gen_pop_update(s);
s->cc_op = CC_OP_EFLAGS;
break;
case 0x9e: /* sahf */
gen_op_mov_TN_reg[OT_BYTE][0][R_AH]();
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_movb_eflags_T0();
s->cc_op = CC_OP_EFLAGS;
break;
case 0x9f: /* lahf */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_movl_T0_eflags();
gen_op_mov_reg_T0[OT_BYTE][R_AH]();
break;
case 0xf5: /* cmc */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_cmc();
s->cc_op = CC_OP_EFLAGS;
break;
case 0xf8: /* clc */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_clc();
s->cc_op = CC_OP_EFLAGS;
break;
case 0xf9: /* stc */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_stc();
s->cc_op = CC_OP_EFLAGS;
break;
case 0xfc: /* cld */
gen_op_cld();
break;
case 0xfd: /* std */
gen_op_std();
break;
/************************/
/* bit operations */
case 0x1ba: /* bt/bts/btr/btc Gv, im */
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
op = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
rm = modrm & 7;
if (mod != 3) {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
gen_op_ld_T0_A0[ot]();
} else {
gen_op_mov_TN_reg[ot][0][rm]();
}
/* load shift */
val = ldub(s->pc++);
gen_op_movl_T1_im(val);
if (op < 4)
goto illegal_op;
op -= 4;
gen_op_btx_T0_T1_cc[ot - OT_WORD][op]();
s->cc_op = CC_OP_SARB + ot;
if (op != 0) {
if (mod != 3)
gen_op_st_T0_A0[ot]();
else
gen_op_mov_reg_T0[ot][rm]();
}
break;
case 0x1a3: /* bt Gv, Ev */
op = 0;
goto do_btx;
case 0x1ab: /* bts */
op = 1;
goto do_btx;
case 0x1b3: /* btr */
op = 2;
goto do_btx;
case 0x1bb: /* btc */
op = 3;
do_btx:
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
rm = modrm & 7;
gen_op_mov_TN_reg[OT_LONG][1][reg]();
if (mod != 3) {
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
/* specific case: we need to add a displacement */
if (ot == OT_WORD)
gen_op_add_bitw_A0_T1();
else
gen_op_add_bitl_A0_T1();
gen_op_ld_T0_A0[ot]();
} else {
gen_op_mov_TN_reg[ot][0][rm]();
}
gen_op_btx_T0_T1_cc[ot - OT_WORD][op]();
s->cc_op = CC_OP_SARB + ot;
if (op != 0) {
if (mod != 3)
gen_op_st_T0_A0[ot]();
else
gen_op_mov_reg_T0[ot][rm]();
}
break;
case 0x1bc: /* bsf */
case 0x1bd: /* bsr */
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
gen_ldst_modrm(s, modrm, ot, OR_TMP0, 0);
gen_op_bsx_T0_cc[ot - OT_WORD][b & 1]();
/* NOTE: we always write back the result. Intel doc says it is
undefined if T0 == 0 */
gen_op_mov_reg_T0[ot][reg]();
s->cc_op = CC_OP_LOGICB + ot;
break;
/************************/
/* bcd */
case 0x27: /* daa */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_daa();
s->cc_op = CC_OP_EFLAGS;
break;
case 0x2f: /* das */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_das();
s->cc_op = CC_OP_EFLAGS;
break;
case 0x37: /* aaa */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_aaa();
s->cc_op = CC_OP_EFLAGS;
break;
case 0x3f: /* aas */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_aas();
s->cc_op = CC_OP_EFLAGS;
break;
case 0xd4: /* aam */
val = ldub(s->pc++);
gen_op_aam(val);
s->cc_op = CC_OP_LOGICB;
break;
case 0xd5: /* aad */
val = ldub(s->pc++);
gen_op_aad(val);
s->cc_op = CC_OP_LOGICB;
break;
/************************/
/* misc */
case 0x90: /* nop */
break;
case 0xcc: /* int3 */
gen_op_int3((long)pc_start);
s->is_jmp = 1;
break;
case 0xcd: /* int N */
val = ldub(s->pc++);
gen_op_int_im(val, pc_start - s->cs_base);
s->is_jmp = 1;
break;
case 0xce: /* into */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_into();
break;
case 0xfa: /* cli */
if (!s->vm86) {
if (s->cpl <= s->iopl)
gen_op_cli();
else
gen_op_gpf(pc_start - s->cs_base);
} else {
if (s->iopl == 3)
gen_op_cli();
else
gen_op_cli_vm();
}
break;
case 0xfb: /* sti */
if (!s->vm86) {
if (s->cpl <= s->iopl)
gen_op_sti();
else
gen_op_gpf(pc_start - s->cs_base);
} else {
if (s->iopl == 3)
gen_op_sti();
else
gen_op_sti_vm(pc_start - s->cs_base);
}
break;
case 0x62: /* bound */
ot = dflag ? OT_LONG : OT_WORD;
modrm = ldub(s->pc++);
reg = (modrm >> 3) & 7;
mod = (modrm >> 6) & 3;
if (mod == 3)
goto illegal_op;
gen_op_mov_reg_T0[ot][reg]();
gen_lea_modrm(s, modrm, ®_addr, &offset_addr);
if (ot == OT_WORD)
gen_op_boundw();
else
gen_op_boundl();
break;
case 0x1c8 ... 0x1cf: /* bswap reg */
reg = b & 7;
gen_op_mov_TN_reg[OT_LONG][0][reg]();
gen_op_bswapl_T0();
gen_op_mov_reg_T0[OT_LONG][reg]();
break;
case 0xd6: /* salc */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
gen_op_salc();
break;
case 0xe0: /* loopnz */
case 0xe1: /* loopz */
if (s->cc_op != CC_OP_DYNAMIC)
gen_op_set_cc_op(s->cc_op);
/* FALL THRU */
case 0xe2: /* loop */
case 0xe3: /* jecxz */
val = (int8_t)insn_get(s, OT_BYTE);
next_eip = s->pc - s->cs_base;
val += next_eip;
if (s->dflag == 0)
val &= 0xffff;
gen_op_loop[s->aflag][b & 3](val, next_eip);
s->is_jmp = 1;
break;
case 0x131: /* rdtsc */
gen_op_rdtsc();
break;
case 0x1a2: /* cpuid */
gen_op_cpuid();
break;
case 0xf4: /* hlt */
if (s->cpl == 0) {
/* ignored */
} else {
gen_op_gpf(pc_start - s->cs_base);
}
break;
default:
goto illegal_op;
}
/* lock generation */
if (s->prefix & PREFIX_LOCK)
gen_op_unlock();
return (long)s->pc;
illegal_op:
/* XXX: ensure that no lock was generated */
return -1;
}
| 21,632 |
qemu | f89b60f6e5fee3923bedf80e82b4e5efc1bb156b | 1 | static void xhci_process_commands(XHCIState *xhci)
{
XHCITRB trb;
TRBType type;
XHCIEvent event = {ER_COMMAND_COMPLETE, CC_SUCCESS};
dma_addr_t addr;
unsigned int i, slotid = 0;
DPRINTF("xhci_process_commands()\n");
if (!xhci_running(xhci)) {
DPRINTF("xhci_process_commands() called while xHC stopped or paused\n");
return;
}
xhci->crcr_low |= CRCR_CRR;
while ((type = xhci_ring_fetch(xhci, &xhci->cmd_ring, &trb, &addr))) {
event.ptr = addr;
switch (type) {
case CR_ENABLE_SLOT:
for (i = 0; i < xhci->numslots; i++) {
if (!xhci->slots[i].enabled) {
break;
}
}
if (i >= xhci->numslots) {
DPRINTF("xhci: no device slots available\n");
event.ccode = CC_NO_SLOTS_ERROR;
} else {
slotid = i+1;
event.ccode = xhci_enable_slot(xhci, slotid);
}
break;
case CR_DISABLE_SLOT:
slotid = xhci_get_slot(xhci, &event, &trb);
if (slotid) {
event.ccode = xhci_disable_slot(xhci, slotid);
}
break;
case CR_ADDRESS_DEVICE:
slotid = xhci_get_slot(xhci, &event, &trb);
if (slotid) {
event.ccode = xhci_address_slot(xhci, slotid, trb.parameter,
trb.control & TRB_CR_BSR);
}
break;
case CR_CONFIGURE_ENDPOINT:
slotid = xhci_get_slot(xhci, &event, &trb);
if (slotid) {
event.ccode = xhci_configure_slot(xhci, slotid, trb.parameter,
trb.control & TRB_CR_DC);
}
break;
case CR_EVALUATE_CONTEXT:
slotid = xhci_get_slot(xhci, &event, &trb);
if (slotid) {
event.ccode = xhci_evaluate_slot(xhci, slotid, trb.parameter);
}
break;
case CR_STOP_ENDPOINT:
slotid = xhci_get_slot(xhci, &event, &trb);
if (slotid) {
unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
& TRB_CR_EPID_MASK;
event.ccode = xhci_stop_ep(xhci, slotid, epid);
}
break;
case CR_RESET_ENDPOINT:
slotid = xhci_get_slot(xhci, &event, &trb);
if (slotid) {
unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
& TRB_CR_EPID_MASK;
event.ccode = xhci_reset_ep(xhci, slotid, epid);
}
break;
case CR_SET_TR_DEQUEUE:
slotid = xhci_get_slot(xhci, &event, &trb);
if (slotid) {
unsigned int epid = (trb.control >> TRB_CR_EPID_SHIFT)
& TRB_CR_EPID_MASK;
unsigned int streamid = (trb.status >> 16) & 0xffff;
event.ccode = xhci_set_ep_dequeue(xhci, slotid,
epid, streamid,
trb.parameter);
}
break;
case CR_RESET_DEVICE:
slotid = xhci_get_slot(xhci, &event, &trb);
if (slotid) {
event.ccode = xhci_reset_slot(xhci, slotid);
}
break;
case CR_GET_PORT_BANDWIDTH:
event.ccode = xhci_get_port_bandwidth(xhci, trb.parameter);
break;
case CR_VENDOR_VIA_CHALLENGE_RESPONSE:
xhci_via_challenge(xhci, trb.parameter);
break;
case CR_VENDOR_NEC_FIRMWARE_REVISION:
event.type = 48; /* NEC reply */
event.length = 0x3025;
break;
case CR_VENDOR_NEC_CHALLENGE_RESPONSE:
{
uint32_t chi = trb.parameter >> 32;
uint32_t clo = trb.parameter;
uint32_t val = xhci_nec_challenge(chi, clo);
event.length = val & 0xFFFF;
event.epid = val >> 16;
slotid = val >> 24;
event.type = 48; /* NEC reply */
}
break;
default:
trace_usb_xhci_unimplemented("command", type);
event.ccode = CC_TRB_ERROR;
break;
}
event.slotid = slotid;
xhci_event(xhci, &event, 0);
}
}
| 21,634 |
qemu | a9175169cc55ecff23a158dfee7d9cbb0b75d185 | 1 | void cpu_loop(CPUTLGState *env)
{
CPUState *cs = CPU(tilegx_env_get_cpu(env));
int trapnr;
while (1) {
cpu_exec_start(cs);
trapnr = cpu_tilegx_exec(cs);
cpu_exec_end(cs);
switch (trapnr) {
case TILEGX_EXCP_SYSCALL:
env->regs[TILEGX_R_RE] = do_syscall(env, env->regs[TILEGX_R_NR],
env->regs[0], env->regs[1],
env->regs[2], env->regs[3],
env->regs[4], env->regs[5],
env->regs[6], env->regs[7]);
env->regs[TILEGX_R_ERR] = TILEGX_IS_ERRNO(env->regs[TILEGX_R_RE])
? - env->regs[TILEGX_R_RE]
: 0;
break;
case TILEGX_EXCP_OPCODE_EXCH:
do_exch(env, true, false);
break;
case TILEGX_EXCP_OPCODE_EXCH4:
do_exch(env, false, false);
break;
case TILEGX_EXCP_OPCODE_CMPEXCH:
do_exch(env, true, true);
break;
case TILEGX_EXCP_OPCODE_CMPEXCH4:
do_exch(env, false, true);
break;
case TILEGX_EXCP_OPCODE_FETCHADD:
case TILEGX_EXCP_OPCODE_FETCHADDGEZ:
case TILEGX_EXCP_OPCODE_FETCHAND:
case TILEGX_EXCP_OPCODE_FETCHOR:
do_fetch(env, trapnr, true);
break;
case TILEGX_EXCP_OPCODE_FETCHADD4:
case TILEGX_EXCP_OPCODE_FETCHADDGEZ4:
case TILEGX_EXCP_OPCODE_FETCHAND4:
case TILEGX_EXCP_OPCODE_FETCHOR4:
do_fetch(env, trapnr, false);
break;
case TILEGX_EXCP_SIGNAL:
do_signal(env, env->signo, env->sigcode);
break;
case TILEGX_EXCP_REG_IDN_ACCESS:
case TILEGX_EXCP_REG_UDN_ACCESS:
gen_sigill_reg(env);
break;
default:
fprintf(stderr, "trapnr is %d[0x%x].\n", trapnr, trapnr);
g_assert_not_reached();
}
process_pending_signals(env);
}
}
| 21,635 |
qemu | 7d8246960e03dabf37726c01d231e89dfde9b229 | 1 | sofree(struct socket *so)
{
Slirp *slirp = so->slirp;
struct mbuf *ifm;
for (ifm = (struct mbuf *) slirp->if_fastq.qh_link;
(struct quehead *) ifm != &slirp->if_fastq;
ifm = ifm->ifq_next) {
if (ifm->ifq_so == so) {
ifm->ifq_so = NULL;
for (ifm = (struct mbuf *) slirp->if_batchq.qh_link;
(struct quehead *) ifm != &slirp->if_batchq;
ifm = ifm->ifq_next) {
if (ifm->ifq_so == so) {
ifm->ifq_so = NULL;
if (so->so_emu==EMU_RSH && so->extra) {
sofree(so->extra);
so->extra=NULL;
if (so == slirp->tcp_last_so) {
slirp->tcp_last_so = &slirp->tcb;
} else if (so == slirp->udp_last_so) {
slirp->udp_last_so = &slirp->udb;
} else if (so == slirp->icmp_last_so) {
slirp->icmp_last_so = &slirp->icmp;
m_free(so->so_m);
if(so->so_next && so->so_prev)
remque(so); /* crashes if so is not in a queue */
free(so);
| 21,636 |
FFmpeg | f9d7e9feec2a0fd7f7930d01876a70a9b8a4a3b9 | 1 | static void close_slave(TeeSlave *tee_slave)
{
AVFormatContext *avf;
unsigned i;
avf = tee_slave->avf;
for (i = 0; i < avf->nb_streams; ++i) {
AVBitStreamFilterContext *bsf_next, *bsf = tee_slave->bsfs[i];
while (bsf) {
bsf_next = bsf->next;
av_bitstream_filter_close(bsf);
bsf = bsf_next;
}
}
av_freep(&tee_slave->stream_map);
av_freep(&tee_slave->bsfs);
ff_format_io_close(avf, &avf->pb);
avformat_free_context(avf);
tee_slave->avf = NULL;
}
| 21,637 |
FFmpeg | 7aabeea9ba0e557e834c886de5ea4db8e9a5193d | 1 | static int ac3_decode_frame(AVCodecContext * avctx, void *data,
int *got_frame_ptr, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
AC3DecodeContext *s = avctx->priv_data;
int blk, ch, err, ret;
const uint8_t *channel_map;
const float *output[AC3_MAX_CHANNELS];
/* copy input buffer to decoder context to avoid reading past the end
of the buffer, which can be caused by a damaged input stream. */
if (buf_size >= 2 && AV_RB16(buf) == 0x770B) {
// seems to be byte-swapped AC-3
int cnt = FFMIN(buf_size, AC3_FRAME_BUFFER_SIZE) >> 1;
s->dsp.bswap16_buf((uint16_t *)s->input_buffer, (const uint16_t *)buf, cnt);
} else
memcpy(s->input_buffer, buf, FFMIN(buf_size, AC3_FRAME_BUFFER_SIZE));
buf = s->input_buffer;
/* initialize the GetBitContext with the start of valid AC-3 Frame */
init_get_bits(&s->gbc, buf, buf_size * 8);
/* parse the syncinfo */
err = parse_frame_header(s);
if (err) {
switch (err) {
case AAC_AC3_PARSE_ERROR_SYNC:
av_log(avctx, AV_LOG_ERROR, "frame sync error\n");
return -1;
case AAC_AC3_PARSE_ERROR_BSID:
av_log(avctx, AV_LOG_ERROR, "invalid bitstream id\n");
break;
case AAC_AC3_PARSE_ERROR_SAMPLE_RATE:
av_log(avctx, AV_LOG_ERROR, "invalid sample rate\n");
break;
case AAC_AC3_PARSE_ERROR_FRAME_SIZE:
av_log(avctx, AV_LOG_ERROR, "invalid frame size\n");
break;
case AAC_AC3_PARSE_ERROR_FRAME_TYPE:
/* skip frame if CRC is ok. otherwise use error concealment. */
/* TODO: add support for substreams and dependent frames */
if (s->frame_type == EAC3_FRAME_TYPE_DEPENDENT || s->substreamid) {
av_log(avctx, AV_LOG_ERROR, "unsupported frame type : "
"skipping frame\n");
*got_frame_ptr = 0;
return s->frame_size;
} else {
av_log(avctx, AV_LOG_ERROR, "invalid frame type\n");
}
break;
default:
av_log(avctx, AV_LOG_ERROR, "invalid header\n");
break;
}
} else {
/* check that reported frame size fits in input buffer */
if (s->frame_size > buf_size) {
av_log(avctx, AV_LOG_ERROR, "incomplete frame\n");
err = AAC_AC3_PARSE_ERROR_FRAME_SIZE;
} else if (avctx->err_recognition & (AV_EF_CRCCHECK|AV_EF_CAREFUL)) {
/* check for crc mismatch */
if (av_crc(av_crc_get_table(AV_CRC_16_ANSI), 0, &buf[2],
s->frame_size - 2)) {
av_log(avctx, AV_LOG_ERROR, "frame CRC mismatch\n");
err = AAC_AC3_PARSE_ERROR_CRC;
}
}
}
/* if frame is ok, set audio parameters */
if (!err) {
avctx->sample_rate = s->sample_rate;
avctx->bit_rate = s->bit_rate;
/* channel config */
s->out_channels = s->channels;
s->output_mode = s->channel_mode;
if (s->lfe_on)
s->output_mode |= AC3_OUTPUT_LFEON;
if (avctx->request_channels > 0 && avctx->request_channels <= 2 &&
avctx->request_channels < s->channels) {
s->out_channels = avctx->request_channels;
s->output_mode = avctx->request_channels == 1 ? AC3_CHMODE_MONO : AC3_CHMODE_STEREO;
s->channel_layout = avpriv_ac3_channel_layout_tab[s->output_mode];
}
avctx->channels = s->out_channels;
avctx->channel_layout = s->channel_layout;
s->loro_center_mix_level = gain_levels[s-> center_mix_level];
s->loro_surround_mix_level = gain_levels[s->surround_mix_level];
s->ltrt_center_mix_level = LEVEL_MINUS_3DB;
s->ltrt_surround_mix_level = LEVEL_MINUS_3DB;
/* set downmixing coefficients if needed */
if (s->channels != s->out_channels && !((s->output_mode & AC3_OUTPUT_LFEON) &&
s->fbw_channels == s->out_channels)) {
set_downmix_coeffs(s);
}
} else if (!s->out_channels) {
s->out_channels = avctx->channels;
if (s->out_channels < s->channels)
s->output_mode = s->out_channels == 1 ? AC3_CHMODE_MONO : AC3_CHMODE_STEREO;
}
if (avctx->channels != s->out_channels) {
av_log(avctx, AV_LOG_ERROR, "channel number mismatching on damaged frame\n");
return AVERROR_INVALIDDATA;
}
/* set audio service type based on bitstream mode for AC-3 */
avctx->audio_service_type = s->bitstream_mode;
if (s->bitstream_mode == 0x7 && s->channels > 1)
avctx->audio_service_type = AV_AUDIO_SERVICE_TYPE_KARAOKE;
/* get output buffer */
avctx->channels = s->out_channels;
s->frame.nb_samples = s->num_blocks * 256;
if ((ret = ff_get_buffer(avctx, &s->frame)) < 0) {
av_log(avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
/* decode the audio blocks */
channel_map = ff_ac3_dec_channel_map[s->output_mode & ~AC3_OUTPUT_LFEON][s->lfe_on];
for (ch = 0; ch < s->channels; ch++) {
if (ch < s->out_channels)
s->outptr[channel_map[ch]] = (float *)s->frame.data[ch];
else
s->outptr[ch] = s->output[ch];
output[ch] = s->output[ch];
}
for (blk = 0; blk < s->num_blocks; blk++) {
if (!err && decode_audio_block(s, blk)) {
av_log(avctx, AV_LOG_ERROR, "error decoding the audio block\n");
err = 1;
}
if (err)
for (ch = 0; ch < s->out_channels; ch++)
memcpy(s->outptr[channel_map[ch]], output[ch], 1024);
for (ch = 0; ch < s->out_channels; ch++) {
output[ch] = s->outptr[channel_map[ch]];
s->outptr[channel_map[ch]] += AC3_BLOCK_SIZE;
}
}
s->frame.decode_error_flags = err ? FF_DECODE_ERROR_INVALID_BITSTREAM : 0;
/* keep last block for error concealment in next frame */
for (ch = 0; ch < s->out_channels; ch++)
memcpy(s->output[ch], output[ch], 1024);
*got_frame_ptr = 1;
*(AVFrame *)data = s->frame;
return FFMIN(buf_size, s->frame_size);
}
| 21,638 |
FFmpeg | 2121e3e1306181acc39316639bb731919af5bab7 | 0 | static int ffserver_parse_config_global(FFServerConfig *config, const char *cmd,
const char **p, int line_num)
{
int val;
char arg[1024];
if (!av_strcasecmp(cmd, "Port") || !av_strcasecmp(cmd, "HTTPPort")) {
if (!av_strcasecmp(cmd, "Port"))
WARNING("Port option is deprecated, use HTTPPort instead\n");
ffserver_get_arg(arg, sizeof(arg), p);
val = atoi(arg);
if (val < 1 || val > 65536)
ERROR("Invalid port: %s\n", arg);
if (val < 1024)
WARNING("Trying to use IETF assigned system port: %d\n", val);
config->http_addr.sin_port = htons(val);
} else if (!av_strcasecmp(cmd, "HTTPBindAddress") || !av_strcasecmp(cmd, "BindAddress")) {
if (!av_strcasecmp(cmd, "BindAddress"))
WARNING("BindAddress option is deprecated, use HTTPBindAddress instead\n");
ffserver_get_arg(arg, sizeof(arg), p);
if (resolve_host(&config->http_addr.sin_addr, arg) != 0)
ERROR("%s:%d: Invalid host/IP address: %s\n", arg);
} else if (!av_strcasecmp(cmd, "NoDaemon")) {
WARNING("NoDaemon option has no effect, you should remove it\n");
} else if (!av_strcasecmp(cmd, "RTSPPort")) {
ffserver_get_arg(arg, sizeof(arg), p);
val = atoi(arg);
if (val < 1 || val > 65536)
ERROR("%s:%d: Invalid port: %s\n", arg);
config->rtsp_addr.sin_port = htons(atoi(arg));
} else if (!av_strcasecmp(cmd, "RTSPBindAddress")) {
ffserver_get_arg(arg, sizeof(arg), p);
if (resolve_host(&config->rtsp_addr.sin_addr, arg) != 0)
ERROR("Invalid host/IP address: %s\n", arg);
} else if (!av_strcasecmp(cmd, "MaxHTTPConnections")) {
ffserver_get_arg(arg, sizeof(arg), p);
val = atoi(arg);
if (val < 1 || val > 65536)
ERROR("Invalid MaxHTTPConnections: %s\n", arg);
config->nb_max_http_connections = val;
} else if (!av_strcasecmp(cmd, "MaxClients")) {
ffserver_get_arg(arg, sizeof(arg), p);
val = atoi(arg);
if (val < 1 || val > config->nb_max_http_connections)
ERROR("Invalid MaxClients: %s\n", arg);
else
config->nb_max_connections = val;
} else if (!av_strcasecmp(cmd, "MaxBandwidth")) {
int64_t llval;
ffserver_get_arg(arg, sizeof(arg), p);
llval = strtoll(arg, NULL, 10);
if (llval < 10 || llval > 10000000)
ERROR("Invalid MaxBandwidth: %s\n", arg);
else
config->max_bandwidth = llval;
} else if (!av_strcasecmp(cmd, "CustomLog")) {
if (!config->debug)
ffserver_get_arg(config->logfilename, sizeof(config->logfilename), p);
} else if (!av_strcasecmp(cmd, "LoadModule")) {
ERROR("Loadable modules no longer supported\n");
} else
ERROR("Incorrect keyword: '%s'\n", cmd);
return 0;
}
| 21,639 |
FFmpeg | a553c6a347d3d28d7ee44c3df3d5c4ee780dba23 | 0 | int ff_h264_fill_default_ref_list(H264Context *h)
{
int i, len;
if (h->slice_type_nos == AV_PICTURE_TYPE_B) {
Picture *sorted[32];
int cur_poc, list;
int lens[2];
if (FIELD_PICTURE(h))
cur_poc = h->cur_pic_ptr->field_poc[h->picture_structure == PICT_BOTTOM_FIELD];
else
cur_poc = h->cur_pic_ptr->poc;
for (list = 0; list < 2; list++) {
len = add_sorted(sorted, h->short_ref, h->short_ref_count, cur_poc, 1 ^ list);
len += add_sorted(sorted + len, h->short_ref, h->short_ref_count, cur_poc, 0 ^ list);
assert(len <= 32);
len = build_def_list(h->default_ref_list[list], sorted, len, 0, h->picture_structure);
len += build_def_list(h->default_ref_list[list] + len, h->long_ref, 16, 1, h->picture_structure);
assert(len <= 32);
if (len < h->ref_count[list])
memset(&h->default_ref_list[list][len], 0, sizeof(Picture) * (h->ref_count[list] - len));
lens[list] = len;
}
if (lens[0] == lens[1] && lens[1] > 1) {
for (i = 0; h->default_ref_list[0][i].f.data[0] == h->default_ref_list[1][i].f.data[0] && i < lens[0]; i++);
if (i == lens[0]) {
Picture tmp;
COPY_PICTURE(&tmp, &h->default_ref_list[1][0]);
COPY_PICTURE(&h->default_ref_list[1][0], &h->default_ref_list[1][1]);
COPY_PICTURE(&h->default_ref_list[1][1], &tmp);
}
}
} else {
len = build_def_list(h->default_ref_list[0], h->short_ref, h->short_ref_count, 0, h->picture_structure);
len += build_def_list(h->default_ref_list[0] + len, h-> long_ref, 16, 1, h->picture_structure);
assert(len <= 32);
if (len < h->ref_count[0])
memset(&h->default_ref_list[0][len], 0, sizeof(Picture) * (h->ref_count[0] - len));
}
#ifdef TRACE
for (i = 0; i < h->ref_count[0]; i++) {
tprintf(h->avctx, "List0: %s fn:%d 0x%p\n",
(h->default_ref_list[0][i].long_ref ? "LT" : "ST"),
h->default_ref_list[0][i].pic_id,
h->default_ref_list[0][i].f.data[0]);
}
if (h->slice_type_nos == AV_PICTURE_TYPE_B) {
for (i = 0; i < h->ref_count[1]; i++) {
tprintf(h->avctx, "List1: %s fn:%d 0x%p\n",
(h->default_ref_list[1][i].long_ref ? "LT" : "ST"),
h->default_ref_list[1][i].pic_id,
h->default_ref_list[1][i].f.data[0]);
}
}
#endif
return 0;
}
| 21,640 |
qemu | 4295f879becfbbb9f4330489311586b96915d920 | 1 | static int check_strtox_error(const char *p, char *endptr, const char **next,
int err)
{
/* If no conversion was performed, prefer BSD behavior over glibc
* behavior.
*/
if (err == 0 && endptr == p) {
err = EINVAL;
}
if (!next && *endptr) {
return -EINVAL;
}
if (next) {
*next = endptr;
}
return -err;
}
| 21,642 |
qemu | 94fb0909645de18481cc726ee0ec9b5afa861394 | 1 | static void ram_decompress_close(RamDecompressState *s)
{
inflateEnd(&s->zstream);
}
| 21,643 |
qemu | 9a75b0a037e3a8030992244353f17b62f6daf2ab | 1 | static void ahci_hba_enable(AHCIQState *ahci)
{
/* Bits of interest in this section:
* GHC.AE Global Host Control / AHCI Enable
* PxCMD.ST Port Command: Start
* PxCMD.SUD "Spin Up Device"
* PxCMD.POD "Power On Device"
* PxCMD.FRE "FIS Receive Enable"
* PxCMD.FR "FIS Receive Running"
* PxCMD.CR "Command List Running"
*/
uint32_t reg, ports_impl;
uint16_t i;
uint8_t num_cmd_slots;
g_assert(ahci != NULL);
/* Set GHC.AE to 1 */
ahci_set(ahci, AHCI_GHC, AHCI_GHC_AE);
reg = ahci_rreg(ahci, AHCI_GHC);
ASSERT_BIT_SET(reg, AHCI_GHC_AE);
/* Cache CAP and CAP2. */
ahci->cap = ahci_rreg(ahci, AHCI_CAP);
ahci->cap2 = ahci_rreg(ahci, AHCI_CAP2);
/* Read CAP.NCS, how many command slots do we have? */
num_cmd_slots = ((ahci->cap & AHCI_CAP_NCS) >> ctzl(AHCI_CAP_NCS)) + 1;
g_test_message("Number of Command Slots: %u", num_cmd_slots);
/* Determine which ports are implemented. */
ports_impl = ahci_rreg(ahci, AHCI_PI);
for (i = 0; ports_impl; ports_impl >>= 1, ++i) {
if (!(ports_impl & 0x01)) {
continue;
}
g_test_message("Initializing port %u", i);
reg = ahci_px_rreg(ahci, i, AHCI_PX_CMD);
if (BITCLR(reg, AHCI_PX_CMD_ST | AHCI_PX_CMD_CR |
AHCI_PX_CMD_FRE | AHCI_PX_CMD_FR)) {
g_test_message("port is idle");
} else {
g_test_message("port needs to be idled");
ahci_px_clr(ahci, i, AHCI_PX_CMD,
(AHCI_PX_CMD_ST | AHCI_PX_CMD_FRE));
/* The port has 500ms to disengage. */
usleep(500000);
reg = ahci_px_rreg(ahci, i, AHCI_PX_CMD);
ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_CR);
ASSERT_BIT_CLEAR(reg, AHCI_PX_CMD_FR);
g_test_message("port is now idle");
/* The spec does allow for possibly needing a PORT RESET
* or HBA reset if we fail to idle the port. */
}
/* Allocate Memory for the Command List Buffer & FIS Buffer */
/* PxCLB space ... 0x20 per command, as in 4.2.2 p 36 */
ahci->port[i].clb = ahci_alloc(ahci, num_cmd_slots * 0x20);
qmemset(ahci->port[i].clb, 0x00, 0x100);
g_test_message("CLB: 0x%08" PRIx64, ahci->port[i].clb);
ahci_px_wreg(ahci, i, AHCI_PX_CLB, ahci->port[i].clb);
g_assert_cmphex(ahci->port[i].clb, ==,
ahci_px_rreg(ahci, i, AHCI_PX_CLB));
/* PxFB space ... 0x100, as in 4.2.1 p 35 */
ahci->port[i].fb = ahci_alloc(ahci, 0x100);
qmemset(ahci->port[i].fb, 0x00, 0x100);
g_test_message("FB: 0x%08" PRIx64, ahci->port[i].fb);
ahci_px_wreg(ahci, i, AHCI_PX_FB, ahci->port[i].fb);
g_assert_cmphex(ahci->port[i].fb, ==,
ahci_px_rreg(ahci, i, AHCI_PX_FB));
/* Clear PxSERR, PxIS, then IS.IPS[x] by writing '1's. */
ahci_px_wreg(ahci, i, AHCI_PX_SERR, 0xFFFFFFFF);
ahci_px_wreg(ahci, i, AHCI_PX_IS, 0xFFFFFFFF);
ahci_wreg(ahci, AHCI_IS, (1 << i));
/* Verify Interrupts Cleared */
reg = ahci_px_rreg(ahci, i, AHCI_PX_SERR);
g_assert_cmphex(reg, ==, 0);
reg = ahci_px_rreg(ahci, i, AHCI_PX_IS);
g_assert_cmphex(reg, ==, 0);
reg = ahci_rreg(ahci, AHCI_IS);
ASSERT_BIT_CLEAR(reg, (1 << i));
/* Enable All Interrupts: */
ahci_px_wreg(ahci, i, AHCI_PX_IE, 0xFFFFFFFF);
reg = ahci_px_rreg(ahci, i, AHCI_PX_IE);
g_assert_cmphex(reg, ==, ~((uint32_t)AHCI_PX_IE_RESERVED));
/* Enable the FIS Receive Engine. */
ahci_px_set(ahci, i, AHCI_PX_CMD, AHCI_PX_CMD_FRE);
reg = ahci_px_rreg(ahci, i, AHCI_PX_CMD);
ASSERT_BIT_SET(reg, AHCI_PX_CMD_FR);
/* AHCI 1.3 spec: if !STS.BSY, !STS.DRQ and PxSSTS.DET indicates
* physical presence, a device is present and may be started. However,
* PxSERR.DIAG.X /may/ need to be cleared a priori. */
reg = ahci_px_rreg(ahci, i, AHCI_PX_SERR);
if (BITSET(reg, AHCI_PX_SERR_DIAG_X)) {
ahci_px_set(ahci, i, AHCI_PX_SERR, AHCI_PX_SERR_DIAG_X);
}
reg = ahci_px_rreg(ahci, i, AHCI_PX_TFD);
if (BITCLR(reg, AHCI_PX_TFD_STS_BSY | AHCI_PX_TFD_STS_DRQ)) {
reg = ahci_px_rreg(ahci, i, AHCI_PX_SSTS);
if ((reg & AHCI_PX_SSTS_DET) == SSTS_DET_ESTABLISHED) {
/* Device Found: set PxCMD.ST := 1 */
ahci_px_set(ahci, i, AHCI_PX_CMD, AHCI_PX_CMD_ST);
ASSERT_BIT_SET(ahci_px_rreg(ahci, i, AHCI_PX_CMD),
AHCI_PX_CMD_CR);
g_test_message("Started Device %u", i);
} else if ((reg & AHCI_PX_SSTS_DET)) {
/* Device present, but in some unknown state. */
g_assert_not_reached();
}
}
}
/* Enable GHC.IE */
ahci_set(ahci, AHCI_GHC, AHCI_GHC_IE);
reg = ahci_rreg(ahci, AHCI_GHC);
ASSERT_BIT_SET(reg, AHCI_GHC_IE);
/* TODO: The device should now be idling and waiting for commands.
* In the future, a small test-case to inspect the Register D2H FIS
* and clear the initial interrupts might be good. */
}
| 21,644 |
FFmpeg | aed128f07d142a7afc51f1f0c572a31b3b9bc2a6 | 1 | static int decode_p_frame(FourXContext *f, const uint8_t *buf, int length)
{
int x, y;
const int width = f->avctx->width;
const int height = f->avctx->height;
uint16_t *src = (uint16_t *)f->last_picture.data[0];
uint16_t *dst = (uint16_t *)f->current_picture.data[0];
const int stride = f->current_picture.linesize[0] >> 1;
unsigned int bitstream_size, bytestream_size, wordstream_size, extra,
bytestream_offset, wordstream_offset;
if (f->version > 1) {
extra = 20;
if (length < extra)
return -1;
bitstream_size = AV_RL32(buf + 8);
wordstream_size = AV_RL32(buf + 12);
bytestream_size = AV_RL32(buf + 16);
} else {
extra = 0;
bitstream_size = AV_RL16(buf - 4);
wordstream_size = AV_RL16(buf - 2);
bytestream_size = FFMAX(length - bitstream_size - wordstream_size, 0);
}
if (bitstream_size > length ||
bytestream_size > length - bitstream_size ||
wordstream_size > length - bytestream_size - bitstream_size ||
extra > length - bytestream_size - bitstream_size - wordstream_size) {
av_log(f->avctx, AV_LOG_ERROR, "lengths %d %d %d %d\n", bitstream_size, bytestream_size, wordstream_size,
bitstream_size+ bytestream_size+ wordstream_size - length);
return -1;
}
av_fast_malloc(&f->bitstream_buffer, &f->bitstream_buffer_size,
bitstream_size + FF_INPUT_BUFFER_PADDING_SIZE);
if (!f->bitstream_buffer)
return AVERROR(ENOMEM);
f->dsp.bswap_buf(f->bitstream_buffer, (const uint32_t*)(buf + extra),
bitstream_size / 4);
memset((uint8_t*)f->bitstream_buffer + bitstream_size,
0, FF_INPUT_BUFFER_PADDING_SIZE);
init_get_bits(&f->gb, f->bitstream_buffer, 8 * bitstream_size);
wordstream_offset = extra + bitstream_size;
bytestream_offset = extra + bitstream_size + wordstream_size;
bytestream2_init(&f->g2, buf + wordstream_offset,
length - wordstream_offset);
bytestream2_init(&f->g, buf + bytestream_offset,
length - bytestream_offset);
init_mv(f);
for (y = 0; y < height; y += 8) {
for (x = 0; x < width; x += 8)
decode_p_block(f, dst + x, src + x, 3, 3, stride);
src += 8 * stride;
dst += 8 * stride;
}
return 0;
}
| 21,645 |
qemu | 243a273ee0168fc373f342479ae92fe3028b45c1 | 1 | void *kqemu_vmalloc(size_t size)
{
static int phys_ram_fd = -1;
static int phys_ram_size = 0;
const char *tmpdir;
char phys_ram_file[1024];
void *ptr;
struct statfs stfs;
if (phys_ram_fd < 0) {
tmpdir = getenv("QEMU_TMPDIR");
if (!tmpdir)
tmpdir = "/dev/shm";
if (statfs(tmpdir, &stfs) == 0) {
int64_t free_space;
int ram_mb;
extern int ram_size;
free_space = (int64_t)stfs.f_bavail * stfs.f_bsize;
if ((ram_size + 8192 * 1024) >= free_space) {
ram_mb = (ram_size / (1024 * 1024));
fprintf(stderr,
"You do not have enough space in '%s' for the %d MB of QEMU virtual RAM.\n",
tmpdir, ram_mb);
if (strcmp(tmpdir, "/dev/shm") == 0) {
fprintf(stderr, "To have more space available provided you have enough RAM and swap, do as root:\n"
"umount /dev/shm\n"
"mount -t tmpfs -o size=%dm none /dev/shm\n",
ram_mb + 16);
} else {
fprintf(stderr,
"Use the '-m' option of QEMU to diminish the amount of virtual RAM or use the\n"
"QEMU_TMPDIR environment variable to set another directory where the QEMU\n"
"temporary RAM file will be opened.\n");
}
fprintf(stderr, "Or disable the accelerator module with -no-kqemu\n");
exit(1);
}
}
snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX",
tmpdir);
if (mkstemp(phys_ram_file) < 0) {
fprintf(stderr,
"warning: could not create temporary file in '%s'.\n"
"Use QEMU_TMPDIR to select a directory in a tmpfs filesystem.\n"
"Using '/tmp' as fallback.\n",
tmpdir);
snprintf(phys_ram_file, sizeof(phys_ram_file), "%s/qemuXXXXXX",
"/tmp");
if (mkstemp(phys_ram_file) < 0) {
fprintf(stderr, "Could not create temporary memory file '%s'\n",
phys_ram_file);
exit(1);
}
}
phys_ram_fd = open(phys_ram_file, O_CREAT | O_TRUNC | O_RDWR, 0600);
if (phys_ram_fd < 0) {
fprintf(stderr, "Could not open temporary memory file '%s'\n",
phys_ram_file);
exit(1);
}
unlink(phys_ram_file);
}
size = (size + 4095) & ~4095;
ftruncate(phys_ram_fd, phys_ram_size + size);
ptr = mmap(NULL,
size,
PROT_WRITE | PROT_READ, MAP_SHARED,
phys_ram_fd, phys_ram_size);
if (ptr == MAP_FAILED) {
fprintf(stderr, "Could not map physical memory\n");
exit(1);
}
phys_ram_size += size;
return ptr;
}
| 21,646 |
qemu | b4ba67d9a702507793c2724e56f98e9b0f7be02b | 1 | static uint64_t qvirtio_pci_config_readq(QVirtioDevice *d, uint64_t off)
{
QVirtioPCIDevice *dev = (QVirtioPCIDevice *)d;
uint64_t val;
val = qpci_io_readq(dev->pdev, CONFIG_BASE(dev) + off);
if (qvirtio_is_big_endian(d)) {
val = bswap64(val);
}
return val;
}
| 21,647 |
FFmpeg | 1c0e205fab4bd5bbfa0399af2cd5e281b414b3d5 | 1 | void video_decode_example(const char *outfilename, const char *filename)
{
AVCodec *codec;
AVCodecContext *c= NULL;
int frame, size, got_picture, len;
FILE *f;
AVFrame *picture;
uint8_t inbuf[INBUF_SIZE + FF_INPUT_BUFFER_PADDING_SIZE], *inbuf_ptr;
char buf[1024];
/* set end of buffer to 0 (this ensures that no overreading happens for damaged mpeg streams) */
memset(inbuf + INBUF_SIZE, 0, FF_INPUT_BUFFER_PADDING_SIZE);
printf("Video decoding\n");
/* find the mpeg1 video decoder */
codec = avcodec_find_decoder(CODEC_ID_MPEG1VIDEO);
if (!codec) {
fprintf(stderr, "codec not found\n");
exit(1);
}
c= avcodec_alloc_context();
picture= avcodec_alloc_frame();
if(codec->capabilities&CODEC_CAP_TRUNCATED)
c->flags|= CODEC_FLAG_TRUNCATED; /* we dont send complete frames */
/* for some codecs, such as msmpeg4 and mpeg4, width and height
MUST be initialized there because these info are not available
in the bitstream */
/* open it */
if (avcodec_open(c, codec) < 0) {
fprintf(stderr, "could not open codec\n");
exit(1);
}
/* the codec gives us the frame size, in samples */
f = fopen(filename, "r");
if (!f) {
fprintf(stderr, "could not open %s\n", filename);
exit(1);
}
frame = 0;
for(;;) {
size = fread(inbuf, 1, INBUF_SIZE, f);
if (size == 0)
break;
/* NOTE1: some codecs are stream based (mpegvideo, mpegaudio)
and this is the only method to use them because you cannot
know the compressed data size before analysing it.
BUT some other codecs (msmpeg4, mpeg4) are inherently frame
based, so you must call them with all the data for one
frame exactly. You must also initialize 'width' and
'height' before initializing them. */
/* NOTE2: some codecs allow the raw parameters (frame size,
sample rate) to be changed at any frame. We handle this, so
you should also take care of it */
/* here, we use a stream based decoder (mpeg1video), so we
feed decoder and see if it could decode a frame */
inbuf_ptr = inbuf;
while (size > 0) {
len = avcodec_decode_video(c, picture, &got_picture,
inbuf_ptr, size);
if (len < 0) {
fprintf(stderr, "Error while decoding frame %d\n", frame);
exit(1);
}
if (got_picture) {
printf("saving frame %3d\n", frame);
fflush(stdout);
/* the picture is allocated by the decoder. no need to
free it */
snprintf(buf, sizeof(buf), outfilename, frame);
pgm_save(picture->data[0], picture->linesize[0],
c->width, c->height, buf);
frame++;
}
size -= len;
inbuf_ptr += len;
}
}
/* some codecs, such as MPEG, transmit the I and P frame with a
latency of one frame. You must do the following to have a
chance to get the last frame of the video */
len = avcodec_decode_video(c, picture, &got_picture,
NULL, 0);
if (got_picture) {
printf("saving last frame %3d\n", frame);
fflush(stdout);
/* the picture is allocated by the decoder. no need to
free it */
snprintf(buf, sizeof(buf), outfilename, frame);
pgm_save(picture->data[0], picture->linesize[0],
c->width, c->height, buf);
frame++;
}
fclose(f);
avcodec_close(c);
free(c);
free(picture);
printf("\n");
}
| 21,648 |
qemu | 7453c96b78c2b09aa72924f933bb9616e5474194 | 1 | static int rebuild_refcount_structure(BlockDriverState *bs,
BdrvCheckResult *res,
uint16_t **refcount_table,
int64_t *nb_clusters)
{
BDRVQcowState *s = bs->opaque;
int64_t first_free_cluster = 0, reftable_offset = -1, cluster = 0;
int64_t refblock_offset, refblock_start, refblock_index;
uint32_t reftable_size = 0;
uint64_t *on_disk_reftable = NULL;
uint16_t *on_disk_refblock;
int i, ret = 0;
struct {
uint64_t reftable_offset;
uint32_t reftable_clusters;
} QEMU_PACKED reftable_offset_and_clusters;
qcow2_cache_empty(bs, s->refcount_block_cache);
write_refblocks:
for (; cluster < *nb_clusters; cluster++) {
if (!(*refcount_table)[cluster]) {
continue;
}
refblock_index = cluster >> s->refcount_block_bits;
refblock_start = refblock_index << s->refcount_block_bits;
/* Don't allocate a cluster in a refblock already written to disk */
if (first_free_cluster < refblock_start) {
first_free_cluster = refblock_start;
}
refblock_offset = alloc_clusters_imrt(bs, 1, refcount_table,
nb_clusters, &first_free_cluster);
if (refblock_offset < 0) {
fprintf(stderr, "ERROR allocating refblock: %s\n",
strerror(-refblock_offset));
res->check_errors++;
ret = refblock_offset;
goto fail;
}
if (reftable_size <= refblock_index) {
uint32_t old_reftable_size = reftable_size;
uint64_t *new_on_disk_reftable;
reftable_size = ROUND_UP((refblock_index + 1) * sizeof(uint64_t),
s->cluster_size) / sizeof(uint64_t);
new_on_disk_reftable = g_try_realloc(on_disk_reftable,
reftable_size *
sizeof(uint64_t));
if (!new_on_disk_reftable) {
res->check_errors++;
ret = -ENOMEM;
goto fail;
}
on_disk_reftable = new_on_disk_reftable;
memset(on_disk_reftable + old_reftable_size, 0,
(reftable_size - old_reftable_size) * sizeof(uint64_t));
/* The offset we have for the reftable is now no longer valid;
* this will leak that range, but we can easily fix that by running
* a leak-fixing check after this rebuild operation */
reftable_offset = -1;
}
on_disk_reftable[refblock_index] = refblock_offset;
/* If this is apparently the last refblock (for now), try to squeeze the
* reftable in */
if (refblock_index == (*nb_clusters - 1) >> s->refcount_block_bits &&
reftable_offset < 0)
{
uint64_t reftable_clusters = size_to_clusters(s, reftable_size *
sizeof(uint64_t));
reftable_offset = alloc_clusters_imrt(bs, reftable_clusters,
refcount_table, nb_clusters,
&first_free_cluster);
if (reftable_offset < 0) {
fprintf(stderr, "ERROR allocating reftable: %s\n",
strerror(-reftable_offset));
res->check_errors++;
ret = reftable_offset;
goto fail;
}
}
ret = qcow2_pre_write_overlap_check(bs, 0, refblock_offset,
s->cluster_size);
if (ret < 0) {
fprintf(stderr, "ERROR writing refblock: %s\n", strerror(-ret));
goto fail;
}
on_disk_refblock = qemu_blockalign0(bs->file, s->cluster_size);
for (i = 0; i < s->refcount_block_size &&
refblock_start + i < *nb_clusters; i++)
{
on_disk_refblock[i] =
cpu_to_be16((*refcount_table)[refblock_start + i]);
}
ret = bdrv_write(bs->file, refblock_offset / BDRV_SECTOR_SIZE,
(void *)on_disk_refblock, s->cluster_sectors);
qemu_vfree(on_disk_refblock);
if (ret < 0) {
fprintf(stderr, "ERROR writing refblock: %s\n", strerror(-ret));
goto fail;
}
/* Go to the end of this refblock */
cluster = refblock_start + s->refcount_block_size - 1;
}
if (reftable_offset < 0) {
uint64_t post_refblock_start, reftable_clusters;
post_refblock_start = ROUND_UP(*nb_clusters, s->refcount_block_size);
reftable_clusters = size_to_clusters(s,
reftable_size * sizeof(uint64_t));
/* Not pretty but simple */
if (first_free_cluster < post_refblock_start) {
first_free_cluster = post_refblock_start;
}
reftable_offset = alloc_clusters_imrt(bs, reftable_clusters,
refcount_table, nb_clusters,
&first_free_cluster);
if (reftable_offset < 0) {
fprintf(stderr, "ERROR allocating reftable: %s\n",
strerror(-reftable_offset));
res->check_errors++;
ret = reftable_offset;
goto fail;
}
goto write_refblocks;
}
assert(on_disk_reftable);
for (refblock_index = 0; refblock_index < reftable_size; refblock_index++) {
cpu_to_be64s(&on_disk_reftable[refblock_index]);
}
ret = qcow2_pre_write_overlap_check(bs, 0, reftable_offset,
reftable_size * sizeof(uint64_t));
if (ret < 0) {
fprintf(stderr, "ERROR writing reftable: %s\n", strerror(-ret));
goto fail;
}
assert(reftable_size < INT_MAX / sizeof(uint64_t));
ret = bdrv_pwrite(bs->file, reftable_offset, on_disk_reftable,
reftable_size * sizeof(uint64_t));
if (ret < 0) {
fprintf(stderr, "ERROR writing reftable: %s\n", strerror(-ret));
goto fail;
}
/* Enter new reftable into the image header */
cpu_to_be64w(&reftable_offset_and_clusters.reftable_offset,
reftable_offset);
cpu_to_be32w(&reftable_offset_and_clusters.reftable_clusters,
size_to_clusters(s, reftable_size * sizeof(uint64_t)));
ret = bdrv_pwrite_sync(bs->file, offsetof(QCowHeader,
refcount_table_offset),
&reftable_offset_and_clusters,
sizeof(reftable_offset_and_clusters));
if (ret < 0) {
fprintf(stderr, "ERROR setting reftable: %s\n", strerror(-ret));
goto fail;
}
for (refblock_index = 0; refblock_index < reftable_size; refblock_index++) {
be64_to_cpus(&on_disk_reftable[refblock_index]);
}
s->refcount_table = on_disk_reftable;
s->refcount_table_offset = reftable_offset;
s->refcount_table_size = reftable_size;
return 0;
fail:
g_free(on_disk_reftable);
return ret;
}
| 21,649 |
FFmpeg | ac4b32df71bd932838043a4838b86d11e169707f | 1 | static void vp8_idct_dc_add4uv_c(uint8_t *dst, int16_t block[4][16],
ptrdiff_t stride)
{
vp8_idct_dc_add_c(dst + stride * 0 + 0, block[0], stride);
vp8_idct_dc_add_c(dst + stride * 0 + 4, block[1], stride);
vp8_idct_dc_add_c(dst + stride * 4 + 0, block[2], stride);
vp8_idct_dc_add_c(dst + stride * 4 + 4, block[3], stride);
}
| 21,650 |
qemu | e4f4fb1eca795e36f363b4647724221e774523c1 | 1 | static void fw_cfg_mem_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = fw_cfg_mem_realize;
dc->props = fw_cfg_mem_properties;
} | 21,651 |
qemu | 64c7c1175b4e3e6fe005934cde63259d8adad392 | 1 | int xen_pt_msix_init(XenPCIPassthroughState *s, uint32_t base)
{
uint8_t id = 0;
uint16_t control = 0;
uint32_t table_off = 0;
int i, total_entries, bar_index;
XenHostPCIDevice *hd = &s->real_device;
PCIDevice *d = &s->dev;
int fd = -1;
XenPTMSIX *msix = NULL;
int rc = 0;
rc = xen_host_pci_get_byte(hd, base + PCI_CAP_LIST_ID, &id);
if (rc) {
return rc;
}
if (id != PCI_CAP_ID_MSIX) {
XEN_PT_ERR(d, "Invalid id %#x base %#x\n", id, base);
return -1;
}
xen_host_pci_get_word(hd, base + PCI_MSIX_FLAGS, &control);
total_entries = control & PCI_MSIX_FLAGS_QSIZE;
total_entries += 1;
s->msix = g_malloc0(sizeof (XenPTMSIX)
+ total_entries * sizeof (XenPTMSIXEntry));
msix = s->msix;
msix->total_entries = total_entries;
for (i = 0; i < total_entries; i++) {
msix->msix_entry[i].pirq = XEN_PT_UNASSIGNED_PIRQ;
}
memory_region_init_io(&msix->mmio, OBJECT(s), &pci_msix_ops,
s, "xen-pci-pt-msix",
(total_entries * PCI_MSIX_ENTRY_SIZE
+ XC_PAGE_SIZE - 1)
& XC_PAGE_MASK);
xen_host_pci_get_long(hd, base + PCI_MSIX_TABLE, &table_off);
bar_index = msix->bar_index = table_off & PCI_MSIX_FLAGS_BIRMASK;
table_off = table_off & ~PCI_MSIX_FLAGS_BIRMASK;
msix->table_base = s->real_device.io_regions[bar_index].base_addr;
XEN_PT_LOG(d, "get MSI-X table BAR base 0x%"PRIx64"\n", msix->table_base);
fd = open("/dev/mem", O_RDWR);
if (fd == -1) {
rc = -errno;
XEN_PT_ERR(d, "Can't open /dev/mem: %s\n", strerror(errno));
goto error_out;
}
XEN_PT_LOG(d, "table_off = %#x, total_entries = %d\n",
table_off, total_entries);
msix->table_offset_adjust = table_off & 0x0fff;
msix->phys_iomem_base =
mmap(NULL,
total_entries * PCI_MSIX_ENTRY_SIZE + msix->table_offset_adjust,
PROT_READ,
MAP_SHARED | MAP_LOCKED,
fd,
msix->table_base + table_off - msix->table_offset_adjust);
close(fd);
if (msix->phys_iomem_base == MAP_FAILED) {
rc = -errno;
XEN_PT_ERR(d, "Can't map physical MSI-X table: %s\n", strerror(errno));
goto error_out;
}
msix->phys_iomem_base = (char *)msix->phys_iomem_base
+ msix->table_offset_adjust;
XEN_PT_LOG(d, "mapping physical MSI-X table to %p\n",
msix->phys_iomem_base);
memory_region_add_subregion_overlap(&s->bar[bar_index], table_off,
&msix->mmio,
2); /* Priority: pci default + 1 */
return 0;
error_out:
g_free(s->msix);
s->msix = NULL;
return rc;
}
| 21,652 |
qemu | 5839e53bbc0fec56021d758aab7610df421ed8c8 | 1 | static int64_t archipelago_volume_info(BDRVArchipelagoState *s)
{
uint64_t size;
int ret, targetlen;
struct xseg_request *req;
struct xseg_reply_info *xinfo;
AIORequestData *reqdata = g_malloc(sizeof(AIORequestData));
const char *volname = s->volname;
targetlen = strlen(volname);
req = xseg_get_request(s->xseg, s->srcport, s->mportno, X_ALLOC);
if (!req) {
archipelagolog("Cannot get XSEG request\n");
goto err_exit2;
}
ret = xseg_prep_request(s->xseg, req, targetlen,
sizeof(struct xseg_reply_info));
if (ret < 0) {
archipelagolog("Cannot prepare XSEG request\n");
goto err_exit;
}
char *target = xseg_get_target(s->xseg, req);
if (!target) {
archipelagolog("Cannot get XSEG target\n");
goto err_exit;
}
memcpy(target, volname, targetlen);
req->size = req->datalen;
req->offset = 0;
req->op = X_INFO;
reqdata->op = ARCHIP_OP_VOLINFO;
reqdata->volname = volname;
xseg_set_req_data(s->xseg, req, reqdata);
xport p = xseg_submit(s->xseg, req, s->srcport, X_ALLOC);
if (p == NoPort) {
archipelagolog("Cannot submit XSEG request\n");
goto err_exit;
}
xseg_signal(s->xseg, p);
qemu_mutex_lock(&s->archip_mutex);
while (!s->is_signaled) {
qemu_cond_wait(&s->archip_cond, &s->archip_mutex);
}
s->is_signaled = false;
qemu_mutex_unlock(&s->archip_mutex);
xinfo = (struct xseg_reply_info *) xseg_get_data(s->xseg, req);
size = xinfo->size;
xseg_put_request(s->xseg, req, s->srcport);
g_free(reqdata);
s->size = size;
return size;
err_exit:
xseg_put_request(s->xseg, req, s->srcport);
err_exit2:
g_free(reqdata);
return -EIO;
}
| 21,653 |
qemu | 4c4f0e4801ac79632d03867c88aafc90b4ce503c | 1 | static void openpic_set_irq(void *opaque, int n_IRQ, int level)
{
OpenPICState *opp = opaque;
IRQSource *src;
src = &opp->src[n_IRQ];
DPRINTF("openpic: set irq %d = %d ipvp=%08x\n",
n_IRQ, level, src->ipvp);
if (src->ipvp & IPVP_SENSE_MASK) {
/* level-sensitive irq */
src->pending = level;
if (!level) {
src->ipvp &= ~IPVP_ACTIVITY_MASK;
}
} else {
/* edge-sensitive irq */
if (level) {
src->pending = 1;
}
}
openpic_update_irq(opp, n_IRQ);
}
| 21,654 |
FFmpeg | 220b24c7c97dc033ceab1510549f66d0e7b52ef1 | 1 | static int libschroedinger_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
int64_t pts = avpkt->pts;
SchroTag *tag;
SchroDecoderParams *p_schro_params = avctx->priv_data;
SchroDecoder *decoder = p_schro_params->decoder;
SchroBuffer *enc_buf;
SchroFrame* frame;
AVFrame *avframe = data;
int state;
int go = 1;
int outer = 1;
SchroParseUnitContext parse_ctx;
LibSchroFrameContext *framewithpts = NULL;
int ret;
*got_frame = 0;
parse_context_init(&parse_ctx, buf, buf_size);
if (!buf_size) {
if (!p_schro_params->eos_signalled) {
state = schro_decoder_push_end_of_stream(decoder);
p_schro_params->eos_signalled = 1;
}
}
/* Loop through all the individual parse units in the input buffer */
do {
if ((enc_buf = find_next_parse_unit(&parse_ctx))) {
/* Set Schrotag with the pts to be recovered after decoding*/
enc_buf->tag = schro_tag_new(av_malloc(sizeof(int64_t)), av_free);
if (!enc_buf->tag->value) {
av_log(avctx, AV_LOG_ERROR, "Unable to allocate SchroTag\n");
return AVERROR(ENOMEM);
}
AV_WN(64, enc_buf->tag->value, pts);
/* Push buffer into decoder. */
if (SCHRO_PARSE_CODE_IS_PICTURE(enc_buf->data[4]) &&
SCHRO_PARSE_CODE_NUM_REFS(enc_buf->data[4]) > 0)
avctx->has_b_frames = 1;
state = schro_decoder_push(decoder, enc_buf);
if (state == SCHRO_DECODER_FIRST_ACCESS_UNIT)
libschroedinger_handle_first_access_unit(avctx);
go = 1;
} else
outer = 0;
while (go) {
/* Parse data and process result. */
state = schro_decoder_wait(decoder);
switch (state) {
case SCHRO_DECODER_FIRST_ACCESS_UNIT:
libschroedinger_handle_first_access_unit(avctx);
break;
case SCHRO_DECODER_NEED_BITS:
/* Need more input data - stop iterating over what we have. */
go = 0;
break;
case SCHRO_DECODER_NEED_FRAME:
/* Decoder needs a frame - create one and push it in. */
frame = ff_create_schro_frame(avctx,
p_schro_params->frame_format);
if (!frame)
return AVERROR(ENOMEM);
schro_decoder_add_output_picture(decoder, frame);
break;
case SCHRO_DECODER_OK:
/* Pull a frame out of the decoder. */
tag = schro_decoder_get_picture_tag(decoder);
frame = schro_decoder_pull(decoder);
if (frame) {
/* Add relation between schroframe and pts. */
framewithpts = av_malloc(sizeof(LibSchroFrameContext));
if (!framewithpts) {
av_log(avctx, AV_LOG_ERROR, "Unable to allocate FrameWithPts\n");
return AVERROR(ENOMEM);
}
framewithpts->frame = frame;
framewithpts->pts = AV_RN64(tag->value);
ff_schro_queue_push_back(&p_schro_params->dec_frame_queue,
framewithpts);
}
break;
case SCHRO_DECODER_EOS:
go = 0;
p_schro_params->eos_pulled = 1;
schro_decoder_reset(decoder);
outer = 0;
break;
case SCHRO_DECODER_ERROR:
return -1;
break;
}
}
} while (outer);
/* Grab next frame to be returned from the top of the queue. */
framewithpts = ff_schro_queue_pop(&p_schro_params->dec_frame_queue);
if (framewithpts && framewithpts->frame && framewithpts->frame->components[0].stride) {
if ((ret = ff_get_buffer(avctx, avframe, 0)) < 0) {
goto end;
}
memcpy(avframe->data[0],
framewithpts->frame->components[0].data,
framewithpts->frame->components[0].length);
memcpy(avframe->data[1],
framewithpts->frame->components[1].data,
framewithpts->frame->components[1].length);
memcpy(avframe->data[2],
framewithpts->frame->components[2].data,
framewithpts->frame->components[2].length);
/* Fill frame with current buffer data from Schroedinger. */
avframe->pts = framewithpts->pts;
#if FF_API_PKT_PTS
FF_DISABLE_DEPRECATION_WARNINGS
avframe->pkt_pts = avframe->pts;
FF_ENABLE_DEPRECATION_WARNINGS
#endif
avframe->linesize[0] = framewithpts->frame->components[0].stride;
avframe->linesize[1] = framewithpts->frame->components[1].stride;
avframe->linesize[2] = framewithpts->frame->components[2].stride;
*got_frame = 1;
} else {
data = NULL;
*got_frame = 0;
}
ret = buf_size;
end:
/* Now free the frame resources. */
if (framewithpts && framewithpts->frame)
libschroedinger_decode_frame_free(framewithpts->frame);
av_freep(&framewithpts);
return ret;
}
| 21,655 |
qemu | 372579427a5040a26dfee78464b50e2bdf27ef26 | 1 | static void qemu_tcg_wait_io_event(CPUState *cpu)
{
while (all_cpu_threads_idle()) {
stop_tcg_kick_timer();
qemu_cond_wait(cpu->halt_cond, &qemu_global_mutex);
}
start_tcg_kick_timer();
CPU_FOREACH(cpu) {
qemu_wait_io_event_common(cpu);
}
}
| 21,656 |
qemu | 15fa08f8451babc88d733bd411d4c94976f9d0f8 | 1 | TCGOp *tcg_op_insert_after(TCGContext *s, TCGOp *old_op,
TCGOpcode opc, int nargs)
{
int oi = s->gen_next_op_idx;
int prev = old_op - s->gen_op_buf;
int next = old_op->next;
TCGOp *new_op;
tcg_debug_assert(oi < OPC_BUF_SIZE);
s->gen_next_op_idx = oi + 1;
new_op = &s->gen_op_buf[oi];
*new_op = (TCGOp){
.opc = opc,
.prev = prev,
.next = next
};
s->gen_op_buf[next].prev = oi;
old_op->next = oi;
return new_op;
}
| 21,657 |
qemu | 12ca76fc48081b3a0ad1a70546abfcf198aedfc4 | 1 | static inline bool check_lba_range(SCSIDiskState *s,
uint64_t sector_num, uint32_t nb_sectors)
{
/*
* The first line tests that no overflow happens when computing the last
* sector. The second line tests that the last accessed sector is in
* range.
*/
return (sector_num <= sector_num + nb_sectors &&
sector_num + nb_sectors - 1 <= s->qdev.max_lba);
}
| 21,658 |
FFmpeg | a6a2282c25abe43e352010a7c3fbc92994c0bc1c | 0 | static av_cold int rv30_decode_init(AVCodecContext *avctx)
{
RV34DecContext *r = avctx->priv_data;
int ret;
r->rv30 = 1;
if ((ret = ff_rv34_decode_init(avctx)) < 0)
return ret;
if(avctx->extradata_size < 2){
av_log(avctx, AV_LOG_ERROR, "Extradata is too small.\n");
return -1;
}
r->rpr = (avctx->extradata[1] & 7) >> 1;
r->rpr = FFMIN(r->rpr + 1, 3);
if(avctx->extradata_size - 8 < (r->rpr - 1) * 2){
av_log(avctx, AV_LOG_ERROR, "Insufficient extradata - need at least %d bytes, got %d\n",
6 + r->rpr * 2, avctx->extradata_size);
return AVERROR(EINVAL);
}
r->parse_slice_header = rv30_parse_slice_header;
r->decode_intra_types = rv30_decode_intra_types;
r->decode_mb_info = rv30_decode_mb_info;
r->loop_filter = rv30_loop_filter;
r->luma_dc_quant_i = rv30_luma_dc_quant;
r->luma_dc_quant_p = rv30_luma_dc_quant;
return 0;
}
| 21,659 |
FFmpeg | b75c0a72ed3bb5fab0a0b66ede94f6de887db585 | 0 | static int jpeg2000_decode_packets_po_iteration(Jpeg2000DecoderContext *s, Jpeg2000Tile *tile,
int RSpoc, int CSpoc,
int LYEpoc, int REpoc, int CEpoc,
int Ppoc)
{
int ret = 0;
int layno, reslevelno, compno, precno, ok_reslevel;
int x, y;
int tp_index = 0;
int step_x, step_y;
switch (Ppoc) {
case JPEG2000_PGOD_RLCP:
av_log(s->avctx, AV_LOG_DEBUG, "Progression order RLCP\n");
ok_reslevel = 1;
for (reslevelno = RSpoc; ok_reslevel && reslevelno < REpoc; reslevelno++) {
ok_reslevel = 0;
for (layno = 0; layno < LYEpoc; layno++) {
for (compno = CSpoc; compno < CEpoc; compno++) {
Jpeg2000CodingStyle *codsty = tile->codsty + compno;
Jpeg2000QuantStyle *qntsty = tile->qntsty + compno;
if (reslevelno < codsty->nreslevels) {
Jpeg2000ResLevel *rlevel = tile->comp[compno].reslevel +
reslevelno;
ok_reslevel = 1;
for (precno = 0; precno < rlevel->num_precincts_x * rlevel->num_precincts_y; precno++)
if ((ret = jpeg2000_decode_packet(s, tile, &tp_index,
codsty, rlevel,
precno, layno,
qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0),
qntsty->nguardbits)) < 0)
return ret;
}
}
}
}
break;
case JPEG2000_PGOD_LRCP:
av_log(s->avctx, AV_LOG_DEBUG, "Progression order LRCP\n");
for (layno = 0; layno < LYEpoc; layno++) {
ok_reslevel = 1;
for (reslevelno = RSpoc; ok_reslevel && reslevelno < REpoc; reslevelno++) {
ok_reslevel = 0;
for (compno = CSpoc; compno < CEpoc; compno++) {
Jpeg2000CodingStyle *codsty = tile->codsty + compno;
Jpeg2000QuantStyle *qntsty = tile->qntsty + compno;
if (reslevelno < codsty->nreslevels) {
Jpeg2000ResLevel *rlevel = tile->comp[compno].reslevel +
reslevelno;
ok_reslevel = 1;
for (precno = 0; precno < rlevel->num_precincts_x * rlevel->num_precincts_y; precno++)
if ((ret = jpeg2000_decode_packet(s, tile, &tp_index,
codsty, rlevel,
precno, layno,
qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0),
qntsty->nguardbits)) < 0)
return ret;
}
}
}
}
break;
case JPEG2000_PGOD_CPRL:
av_log(s->avctx, AV_LOG_DEBUG, "Progression order CPRL\n");
for (compno = CSpoc; compno < CEpoc; compno++) {
Jpeg2000Component *comp = tile->comp + compno;
Jpeg2000CodingStyle *codsty = tile->codsty + compno;
Jpeg2000QuantStyle *qntsty = tile->qntsty + compno;
step_x = 32;
step_y = 32;
for (reslevelno = RSpoc; reslevelno < FFMIN(codsty->nreslevels, REpoc); reslevelno++) {
uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno);
step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno);
}
step_x = 1<<step_x;
step_y = 1<<step_y;
for (y = tile->coord[1][0]; y < tile->coord[1][1]; y = (y/step_y + 1)*step_y) {
for (x = tile->coord[0][0]; x < tile->coord[0][1]; x = (x/step_x + 1)*step_x) {
for (reslevelno = RSpoc; reslevelno < FFMIN(codsty->nreslevels, REpoc); reslevelno++) {
unsigned prcx, prcy;
uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
int xc = x / s->cdx[compno];
int yc = y / s->cdy[compno];
if (yc % (1 << (rlevel->log2_prec_height + reducedresno)) && y != tile->coord[1][0]) //FIXME this is a subset of the check
continue;
if (xc % (1 << (rlevel->log2_prec_width + reducedresno)) && x != tile->coord[0][0]) //FIXME this is a subset of the check
continue;
// check if a precinct exists
prcx = ff_jpeg2000_ceildivpow2(xc, reducedresno) >> rlevel->log2_prec_width;
prcy = ff_jpeg2000_ceildivpow2(yc, reducedresno) >> rlevel->log2_prec_height;
prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> rlevel->log2_prec_width;
prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> rlevel->log2_prec_height;
precno = prcx + rlevel->num_precincts_x * prcy;
if (prcx >= rlevel->num_precincts_x || prcy >= rlevel->num_precincts_y) {
av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
prcx, prcy, rlevel->num_precincts_x, rlevel->num_precincts_y);
continue;
}
for (layno = 0; layno < LYEpoc; layno++) {
if ((ret = jpeg2000_decode_packet(s, tile, &tp_index, codsty, rlevel,
precno, layno,
qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0),
qntsty->nguardbits)) < 0)
return ret;
}
}
}
}
}
break;
case JPEG2000_PGOD_RPCL:
av_log(s->avctx, AV_LOG_WARNING, "Progression order RPCL\n");
ok_reslevel = 1;
for (reslevelno = RSpoc; ok_reslevel && reslevelno < REpoc; reslevelno++) {
ok_reslevel = 0;
step_x = 30;
step_y = 30;
for (compno = CSpoc; compno < CEpoc; compno++) {
Jpeg2000Component *comp = tile->comp + compno;
Jpeg2000CodingStyle *codsty = tile->codsty + compno;
if (reslevelno < codsty->nreslevels) {
uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno);
step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno);
}
}
step_x = 1<<step_x;
step_y = 1<<step_y;
for (y = tile->coord[1][0]; y < tile->coord[1][1]; y = (y/step_y + 1)*step_y) {
for (x = tile->coord[0][0]; x < tile->coord[0][1]; x = (x/step_x + 1)*step_x) {
for (compno = CSpoc; compno < CEpoc; compno++) {
Jpeg2000Component *comp = tile->comp + compno;
Jpeg2000CodingStyle *codsty = tile->codsty + compno;
Jpeg2000QuantStyle *qntsty = tile->qntsty + compno;
uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
unsigned prcx, prcy;
int xc = x / s->cdx[compno];
int yc = y / s->cdy[compno];
if (reslevelno >= codsty->nreslevels)
continue;
if (yc % (1 << (rlevel->log2_prec_height + reducedresno)) && y != tile->coord[1][0]) //FIXME this is a subset of the check
continue;
if (xc % (1 << (rlevel->log2_prec_width + reducedresno)) && x != tile->coord[0][0]) //FIXME this is a subset of the check
continue;
// check if a precinct exists
prcx = ff_jpeg2000_ceildivpow2(xc, reducedresno) >> rlevel->log2_prec_width;
prcy = ff_jpeg2000_ceildivpow2(yc, reducedresno) >> rlevel->log2_prec_height;
prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> rlevel->log2_prec_width;
prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> rlevel->log2_prec_height;
precno = prcx + rlevel->num_precincts_x * prcy;
ok_reslevel = 1;
if (prcx >= rlevel->num_precincts_x || prcy >= rlevel->num_precincts_y) {
av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
prcx, prcy, rlevel->num_precincts_x, rlevel->num_precincts_y);
continue;
}
for (layno = 0; layno < LYEpoc; layno++) {
if ((ret = jpeg2000_decode_packet(s, tile, &tp_index,
codsty, rlevel,
precno, layno,
qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0),
qntsty->nguardbits)) < 0)
return ret;
}
}
}
}
}
break;
case JPEG2000_PGOD_PCRL:
av_log(s->avctx, AV_LOG_WARNING, "Progression order PCRL\n");
step_x = 32;
step_y = 32;
for (compno = CSpoc; compno < CEpoc; compno++) {
Jpeg2000Component *comp = tile->comp + compno;
Jpeg2000CodingStyle *codsty = tile->codsty + compno;
Jpeg2000QuantStyle *qntsty = tile->qntsty + compno;
for (reslevelno = RSpoc; reslevelno < FFMIN(codsty->nreslevels, REpoc); reslevelno++) {
uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
step_x = FFMIN(step_x, rlevel->log2_prec_width + reducedresno);
step_y = FFMIN(step_y, rlevel->log2_prec_height + reducedresno);
}
}
step_x = 1<<step_x;
step_y = 1<<step_y;
for (y = tile->coord[1][0]; y < tile->coord[1][1]; y = (y/step_y + 1)*step_y) {
for (x = tile->coord[0][0]; x < tile->coord[0][1]; x = (x/step_x + 1)*step_x) {
for (compno = CSpoc; compno < CEpoc; compno++) {
Jpeg2000Component *comp = tile->comp + compno;
Jpeg2000CodingStyle *codsty = tile->codsty + compno;
Jpeg2000QuantStyle *qntsty = tile->qntsty + compno;
int xc = x / s->cdx[compno];
int yc = y / s->cdy[compno];
for (reslevelno = RSpoc; reslevelno < FFMIN(codsty->nreslevels, REpoc); reslevelno++) {
unsigned prcx, prcy;
uint8_t reducedresno = codsty->nreslevels - 1 -reslevelno; // ==> N_L - r
Jpeg2000ResLevel *rlevel = comp->reslevel + reslevelno;
if (yc % (1 << (rlevel->log2_prec_height + reducedresno)) && y != tile->coord[1][0]) //FIXME this is a subset of the check
continue;
if (xc % (1 << (rlevel->log2_prec_width + reducedresno)) && x != tile->coord[0][0]) //FIXME this is a subset of the check
continue;
// check if a precinct exists
prcx = ff_jpeg2000_ceildivpow2(xc, reducedresno) >> rlevel->log2_prec_width;
prcy = ff_jpeg2000_ceildivpow2(yc, reducedresno) >> rlevel->log2_prec_height;
prcx -= ff_jpeg2000_ceildivpow2(comp->coord_o[0][0], reducedresno) >> rlevel->log2_prec_width;
prcy -= ff_jpeg2000_ceildivpow2(comp->coord_o[1][0], reducedresno) >> rlevel->log2_prec_height;
precno = prcx + rlevel->num_precincts_x * prcy;
if (prcx >= rlevel->num_precincts_x || prcy >= rlevel->num_precincts_y) {
av_log(s->avctx, AV_LOG_WARNING, "prc %d %d outside limits %d %d\n",
prcx, prcy, rlevel->num_precincts_x, rlevel->num_precincts_y);
continue;
}
for (layno = 0; layno < LYEpoc; layno++) {
if ((ret = jpeg2000_decode_packet(s, tile, &tp_index, codsty, rlevel,
precno, layno,
qntsty->expn + (reslevelno ? 3 * (reslevelno - 1) + 1 : 0),
qntsty->nguardbits)) < 0)
return ret;
}
}
}
}
}
break;
default:
break;
}
return ret;
}
| 21,660 |
FFmpeg | c2409a7c5b1c1f43ee8b00c13ed41edc0321db0b | 0 | static av_cold int vmdaudio_decode_init(AVCodecContext *avctx)
{
VmdAudioContext *s = avctx->priv_data;
if (avctx->channels < 1 || avctx->channels > 2) {
av_log(avctx, AV_LOG_ERROR, "invalid number of channels\n");
return AVERROR(EINVAL);
}
if (avctx->block_align < 1) {
av_log(avctx, AV_LOG_ERROR, "invalid block align\n");
return AVERROR(EINVAL);
}
avctx->channel_layout = avctx->channels == 1 ? AV_CH_LAYOUT_MONO :
AV_CH_LAYOUT_STEREO;
if (avctx->bits_per_coded_sample == 16)
avctx->sample_fmt = AV_SAMPLE_FMT_S16;
else
avctx->sample_fmt = AV_SAMPLE_FMT_U8;
s->out_bps = av_get_bytes_per_sample(avctx->sample_fmt);
s->chunk_size = avctx->block_align + avctx->channels * (s->out_bps == 2);
avcodec_get_frame_defaults(&s->frame);
avctx->coded_frame = &s->frame;
av_log(avctx, AV_LOG_DEBUG, "%d channels, %d bits/sample, "
"block align = %d, sample rate = %d\n",
avctx->channels, avctx->bits_per_coded_sample, avctx->block_align,
avctx->sample_rate);
return 0;
}
| 21,661 |
FFmpeg | 37138338ff602803d174b13fecd363a083bc2f9a | 0 | static int sunrast_decode_frame(AVCodecContext *avctx, void *data,
int *got_frame, AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
const uint8_t *buf_end = avpkt->data + avpkt->size;
AVFrame * const p = data;
unsigned int w, h, depth, type, maptype, maplength, stride, x, y, len, alen;
uint8_t *ptr, *ptr2 = NULL;
const uint8_t *bufstart = buf;
int ret;
if (avpkt->size < 32)
return AVERROR_INVALIDDATA;
if (AV_RB32(buf) != RAS_MAGIC) {
av_log(avctx, AV_LOG_ERROR, "this is not sunras encoded data\n");
return AVERROR_INVALIDDATA;
}
w = AV_RB32(buf + 4);
h = AV_RB32(buf + 8);
depth = AV_RB32(buf + 12);
type = AV_RB32(buf + 20);
maptype = AV_RB32(buf + 24);
maplength = AV_RB32(buf + 28);
buf += 32;
if (type == RT_EXPERIMENTAL) {
avpriv_request_sample(avctx, "TIFF/IFF/EXPERIMENTAL (compression) type");
return AVERROR_PATCHWELCOME;
}
if (type > RT_FORMAT_IFF) {
av_log(avctx, AV_LOG_ERROR, "invalid (compression) type\n");
return AVERROR_INVALIDDATA;
}
if (maptype == RMT_RAW) {
avpriv_request_sample(avctx, "Unknown colormap type");
return AVERROR_PATCHWELCOME;
}
if (maptype > RMT_RAW) {
av_log(avctx, AV_LOG_ERROR, "invalid colormap type\n");
return AVERROR_INVALIDDATA;
}
if (type == RT_FORMAT_TIFF || type == RT_FORMAT_IFF) {
av_log(avctx, AV_LOG_ERROR, "unsupported (compression) type\n");
return -1;
}
switch (depth) {
case 1:
avctx->pix_fmt = maplength ? AV_PIX_FMT_PAL8 : AV_PIX_FMT_MONOWHITE;
break;
case 4:
avctx->pix_fmt = maplength ? AV_PIX_FMT_PAL8 : AV_PIX_FMT_NONE;
break;
case 8:
avctx->pix_fmt = maplength ? AV_PIX_FMT_PAL8 : AV_PIX_FMT_GRAY8;
break;
case 24:
avctx->pix_fmt = (type == RT_FORMAT_RGB) ? AV_PIX_FMT_RGB24 : AV_PIX_FMT_BGR24;
break;
case 32:
avctx->pix_fmt = (type == RT_FORMAT_RGB) ? AV_PIX_FMT_0RGB : AV_PIX_FMT_0BGR;
break;
default:
av_log(avctx, AV_LOG_ERROR, "invalid depth\n");
return AVERROR_INVALIDDATA;
}
ret = ff_set_dimensions(avctx, w, h);
if (ret < 0)
return ret;
if ((ret = ff_get_buffer(avctx, p, 0)) < 0)
return ret;
p->pict_type = AV_PICTURE_TYPE_I;
if (buf_end - buf < maplength)
return AVERROR_INVALIDDATA;
if (depth > 8 && maplength) {
av_log(avctx, AV_LOG_WARNING, "useless colormap found or file is corrupted, trying to recover\n");
} else if (maplength) {
unsigned int len = maplength / 3;
if (maplength % 3 || maplength > 768) {
av_log(avctx, AV_LOG_WARNING, "invalid colormap length\n");
return AVERROR_INVALIDDATA;
}
ptr = p->data[1];
for (x = 0; x < len; x++, ptr += 4)
*(uint32_t *)ptr = (0xFFU<<24) + (buf[x]<<16) + (buf[len+x]<<8) + buf[len+len+x];
}
buf += maplength;
if (maplength && depth < 8) {
ptr = ptr2 = av_malloc_array((w + 15), h);
if (!ptr)
return AVERROR(ENOMEM);
stride = (w + 15 >> 3) * depth;
} else {
ptr = p->data[0];
stride = p->linesize[0];
}
/* scanlines are aligned on 16 bit boundaries */
len = (depth * w + 7) >> 3;
alen = len + (len & 1);
if (type == RT_BYTE_ENCODED) {
int value, run;
uint8_t *end = ptr + h * stride;
x = 0;
while (ptr != end && buf < buf_end) {
run = 1;
if (buf_end - buf < 1)
return AVERROR_INVALIDDATA;
if ((value = *buf++) == RLE_TRIGGER) {
run = *buf++ + 1;
if (run != 1)
value = *buf++;
}
while (run--) {
if (x < len)
ptr[x] = value;
if (++x >= alen) {
x = 0;
ptr += stride;
if (ptr == end)
break;
}
}
}
} else {
for (y = 0; y < h; y++) {
if (buf_end - buf < len)
break;
memcpy(ptr, buf, len);
ptr += stride;
buf += alen;
}
}
if (avctx->pix_fmt == AV_PIX_FMT_PAL8 && depth < 8) {
uint8_t *ptr_free = ptr2;
ptr = p->data[0];
for (y=0; y<h; y++) {
for (x = 0; x < (w + 7 >> 3) * depth; x++) {
if (depth == 1) {
ptr[8*x] = ptr2[x] >> 7;
ptr[8*x+1] = ptr2[x] >> 6 & 1;
ptr[8*x+2] = ptr2[x] >> 5 & 1;
ptr[8*x+3] = ptr2[x] >> 4 & 1;
ptr[8*x+4] = ptr2[x] >> 3 & 1;
ptr[8*x+5] = ptr2[x] >> 2 & 1;
ptr[8*x+6] = ptr2[x] >> 1 & 1;
ptr[8*x+7] = ptr2[x] & 1;
} else {
ptr[2*x] = ptr2[x] >> 4;
ptr[2*x+1] = ptr2[x] & 0xF;
}
}
ptr += p->linesize[0];
ptr2 += (w + 15 >> 3) * depth;
}
av_freep(&ptr_free);
}
*got_frame = 1;
return buf - bufstart;
}
| 21,662 |
FFmpeg | 0872bb23b4bd2d94a8ba91070f706d1bc1c3ced8 | 0 | static int xan_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int ret, buf_size = avpkt->size;
XanContext *s = avctx->priv_data;
if (avctx->codec->id == CODEC_ID_XAN_WC3) {
const uint8_t *buf_end = buf + buf_size;
int tag = 0;
while (buf_end - buf > 8 && tag != VGA__TAG) {
unsigned *tmpptr;
uint32_t new_pal;
int size;
int i;
tag = bytestream_get_le32(&buf);
size = bytestream_get_be32(&buf);
size = FFMIN(size, buf_end - buf);
switch (tag) {
case PALT_TAG:
if (size < PALETTE_SIZE)
return AVERROR_INVALIDDATA;
if (s->palettes_count >= PALETTES_MAX)
return AVERROR_INVALIDDATA;
tmpptr = av_realloc(s->palettes, (s->palettes_count + 1) * AVPALETTE_SIZE);
if (!tmpptr)
return AVERROR(ENOMEM);
s->palettes = tmpptr;
tmpptr += s->palettes_count * AVPALETTE_COUNT;
for (i = 0; i < PALETTE_COUNT; i++) {
#if RUNTIME_GAMMA
int r = gamma_corr(*buf++);
int g = gamma_corr(*buf++);
int b = gamma_corr(*buf++);
#else
int r = gamma_lookup[*buf++];
int g = gamma_lookup[*buf++];
int b = gamma_lookup[*buf++];
#endif
*tmpptr++ = (r << 16) | (g << 8) | b;
}
s->palettes_count++;
break;
case SHOT_TAG:
if (size < 4)
return AVERROR_INVALIDDATA;
new_pal = bytestream_get_le32(&buf);
if (new_pal < s->palettes_count) {
s->cur_palette = new_pal;
} else
av_log(avctx, AV_LOG_ERROR, "Invalid palette selected\n");
break;
case VGA__TAG:
break;
default:
buf += size;
break;
}
}
buf_size = buf_end - buf;
}
if ((ret = avctx->get_buffer(avctx, &s->current_frame))) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return ret;
}
s->current_frame.reference = 3;
if (!s->frame_size)
s->frame_size = s->current_frame.linesize[0] * s->avctx->height;
memcpy(s->current_frame.data[1], s->palettes + s->cur_palette * AVPALETTE_COUNT, AVPALETTE_SIZE);
s->buf = buf;
s->size = buf_size;
xan_wc3_decode_frame(s);
/* release the last frame if it is allocated */
if (s->last_frame.data[0])
avctx->release_buffer(avctx, &s->last_frame);
*data_size = sizeof(AVFrame);
*(AVFrame*)data = s->current_frame;
/* shuffle frames */
FFSWAP(AVFrame, s->current_frame, s->last_frame);
/* always report that the buffer was completely consumed */
return buf_size;
}
| 21,663 |
FFmpeg | a1a63143f182729c40037b4fb8d8f9d84039e7ab | 0 | av_cold int MPV_encode_init(AVCodecContext *avctx)
{
MpegEncContext *s = avctx->priv_data;
int i;
int chroma_h_shift, chroma_v_shift;
MPV_encode_defaults(s);
switch (avctx->codec_id) {
case CODEC_ID_MPEG2VIDEO:
if(avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P){
av_log(avctx, AV_LOG_ERROR, "only YUV420 and YUV422 are supported\n");
return -1;
}
break;
case CODEC_ID_LJPEG:
case CODEC_ID_MJPEG:
if(avctx->pix_fmt != PIX_FMT_YUVJ420P && avctx->pix_fmt != PIX_FMT_YUVJ422P && avctx->pix_fmt != PIX_FMT_RGB32 &&
((avctx->pix_fmt != PIX_FMT_YUV420P && avctx->pix_fmt != PIX_FMT_YUV422P) || avctx->strict_std_compliance>FF_COMPLIANCE_INOFFICIAL)){
av_log(avctx, AV_LOG_ERROR, "colorspace not supported in jpeg\n");
return -1;
}
break;
default:
if(avctx->pix_fmt != PIX_FMT_YUV420P){
av_log(avctx, AV_LOG_ERROR, "only YUV420 is supported\n");
return -1;
}
}
switch (avctx->pix_fmt) {
case PIX_FMT_YUVJ422P:
case PIX_FMT_YUV422P:
s->chroma_format = CHROMA_422;
break;
case PIX_FMT_YUVJ420P:
case PIX_FMT_YUV420P:
default:
s->chroma_format = CHROMA_420;
break;
}
s->bit_rate = avctx->bit_rate;
s->width = avctx->width;
s->height = avctx->height;
if(avctx->gop_size > 600 && avctx->strict_std_compliance>FF_COMPLIANCE_EXPERIMENTAL){
av_log(avctx, AV_LOG_ERROR, "Warning keyframe interval too large! reducing it ...\n");
avctx->gop_size=600;
}
s->gop_size = avctx->gop_size;
s->avctx = avctx;
s->flags= avctx->flags;
s->flags2= avctx->flags2;
s->max_b_frames= avctx->max_b_frames;
s->codec_id= avctx->codec->id;
s->luma_elim_threshold = avctx->luma_elim_threshold;
s->chroma_elim_threshold= avctx->chroma_elim_threshold;
s->strict_std_compliance= avctx->strict_std_compliance;
s->data_partitioning= avctx->flags & CODEC_FLAG_PART;
s->quarter_sample= (avctx->flags & CODEC_FLAG_QPEL)!=0;
s->mpeg_quant= avctx->mpeg_quant;
s->rtp_mode= !!avctx->rtp_payload_size;
s->intra_dc_precision= avctx->intra_dc_precision;
s->user_specified_pts = AV_NOPTS_VALUE;
if (s->gop_size <= 1) {
s->intra_only = 1;
s->gop_size = 12;
} else {
s->intra_only = 0;
}
s->me_method = avctx->me_method;
/* Fixed QSCALE */
s->fixed_qscale = !!(avctx->flags & CODEC_FLAG_QSCALE);
s->adaptive_quant= ( s->avctx->lumi_masking
|| s->avctx->dark_masking
|| s->avctx->temporal_cplx_masking
|| s->avctx->spatial_cplx_masking
|| s->avctx->p_masking
|| s->avctx->border_masking
|| (s->flags&CODEC_FLAG_QP_RD))
&& !s->fixed_qscale;
s->obmc= !!(s->flags & CODEC_FLAG_OBMC);
s->loop_filter= !!(s->flags & CODEC_FLAG_LOOP_FILTER);
s->alternate_scan= !!(s->flags & CODEC_FLAG_ALT_SCAN);
s->intra_vlc_format= !!(s->flags2 & CODEC_FLAG2_INTRA_VLC);
s->q_scale_type= !!(s->flags2 & CODEC_FLAG2_NON_LINEAR_QUANT);
if(avctx->rc_max_rate && !avctx->rc_buffer_size){
av_log(avctx, AV_LOG_ERROR, "a vbv buffer size is needed, for encoding with a maximum bitrate\n");
return -1;
}
if(avctx->rc_min_rate && avctx->rc_max_rate != avctx->rc_min_rate){
av_log(avctx, AV_LOG_INFO, "Warning min_rate > 0 but min_rate != max_rate isn't recommended!\n");
}
if(avctx->rc_min_rate && avctx->rc_min_rate > avctx->bit_rate){
av_log(avctx, AV_LOG_ERROR, "bitrate below min bitrate\n");
return -1;
}
if(avctx->rc_max_rate && avctx->rc_max_rate < avctx->bit_rate){
av_log(avctx, AV_LOG_INFO, "bitrate above max bitrate\n");
return -1;
}
if(avctx->rc_max_rate && avctx->rc_max_rate == avctx->bit_rate && avctx->rc_max_rate != avctx->rc_min_rate){
av_log(avctx, AV_LOG_INFO, "impossible bitrate constraints, this will fail\n");
}
if(avctx->rc_buffer_size && avctx->bit_rate*av_q2d(avctx->time_base) > avctx->rc_buffer_size){
av_log(avctx, AV_LOG_ERROR, "VBV buffer too small for bitrate\n");
return -1;
}
if(avctx->bit_rate*av_q2d(avctx->time_base) > avctx->bit_rate_tolerance){
av_log(avctx, AV_LOG_ERROR, "bitrate tolerance too small for bitrate\n");
return -1;
}
if( s->avctx->rc_max_rate && s->avctx->rc_min_rate == s->avctx->rc_max_rate
&& (s->codec_id == CODEC_ID_MPEG1VIDEO || s->codec_id == CODEC_ID_MPEG2VIDEO)
&& 90000LL * (avctx->rc_buffer_size-1) > s->avctx->rc_max_rate*0xFFFFLL){
av_log(avctx, AV_LOG_INFO, "Warning vbv_delay will be set to 0xFFFF (=VBR) as the specified vbv buffer is too large for the given bitrate!\n");
}
if((s->flags & CODEC_FLAG_4MV) && s->codec_id != CODEC_ID_MPEG4
&& s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P && s->codec_id != CODEC_ID_FLV1){
av_log(avctx, AV_LOG_ERROR, "4MV not supported by codec\n");
return -1;
}
if(s->obmc && s->avctx->mb_decision != FF_MB_DECISION_SIMPLE){
av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with simple mb decision\n");
return -1;
}
if(s->obmc && s->codec_id != CODEC_ID_H263 && s->codec_id != CODEC_ID_H263P){
av_log(avctx, AV_LOG_ERROR, "OBMC is only supported with H263(+)\n");
return -1;
}
if(s->quarter_sample && s->codec_id != CODEC_ID_MPEG4){
av_log(avctx, AV_LOG_ERROR, "qpel not supported by codec\n");
return -1;
}
if(s->data_partitioning && s->codec_id != CODEC_ID_MPEG4){
av_log(avctx, AV_LOG_ERROR, "data partitioning not supported by codec\n");
return -1;
}
if(s->max_b_frames && s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO){
av_log(avctx, AV_LOG_ERROR, "b frames not supported by codec\n");
return -1;
}
if((s->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN))
&& s->codec_id != CODEC_ID_MPEG4 && s->codec_id != CODEC_ID_MPEG2VIDEO){
av_log(avctx, AV_LOG_ERROR, "interlacing not supported by codec\n");
return -1;
}
if(s->mpeg_quant && s->codec_id != CODEC_ID_MPEG4){ //FIXME mpeg2 uses that too
av_log(avctx, AV_LOG_ERROR, "mpeg2 style quantization not supported by codec\n");
return -1;
}
if((s->flags & CODEC_FLAG_CBP_RD) && !avctx->trellis){
av_log(avctx, AV_LOG_ERROR, "CBP RD needs trellis quant\n");
return -1;
}
if((s->flags & CODEC_FLAG_QP_RD) && s->avctx->mb_decision != FF_MB_DECISION_RD){
av_log(avctx, AV_LOG_ERROR, "QP RD needs mbd=2\n");
return -1;
}
if(s->avctx->scenechange_threshold < 1000000000 && (s->flags & CODEC_FLAG_CLOSED_GOP)){
av_log(avctx, AV_LOG_ERROR, "closed gop with scene change detection are not supported yet, set threshold to 1000000000\n");
return -1;
}
if((s->flags2 & CODEC_FLAG2_INTRA_VLC) && s->codec_id != CODEC_ID_MPEG2VIDEO){
av_log(avctx, AV_LOG_ERROR, "intra vlc table not supported by codec\n");
return -1;
}
if(s->flags & CODEC_FLAG_LOW_DELAY){
if (s->codec_id != CODEC_ID_MPEG2VIDEO){
av_log(avctx, AV_LOG_ERROR, "low delay forcing is only available for mpeg2\n");
return -1;
}
if (s->max_b_frames != 0){
av_log(avctx, AV_LOG_ERROR, "b frames cannot be used with low delay\n");
return -1;
}
}
if(s->q_scale_type == 1){
if(s->codec_id != CODEC_ID_MPEG2VIDEO){
av_log(avctx, AV_LOG_ERROR, "non linear quant is only available for mpeg2\n");
return -1;
}
if(avctx->qmax > 12){
av_log(avctx, AV_LOG_ERROR, "non linear quant only supports qmax <= 12 currently\n");
return -1;
}
}
if(s->avctx->thread_count > 1 && s->codec_id != CODEC_ID_MPEG4
&& s->codec_id != CODEC_ID_MPEG1VIDEO && s->codec_id != CODEC_ID_MPEG2VIDEO
&& (s->codec_id != CODEC_ID_H263P || !(s->flags & CODEC_FLAG_H263P_SLICE_STRUCT))){
av_log(avctx, AV_LOG_ERROR, "multi threaded encoding not supported by codec\n");
return -1;
}
if(s->avctx->thread_count < 1){
av_log(avctx, AV_LOG_ERROR, "automatic thread number detection not supported by codec, patch welcome\n");
return -1;
}
if(s->avctx->thread_count > 1)
s->rtp_mode= 1;
if(!avctx->time_base.den || !avctx->time_base.num){
av_log(avctx, AV_LOG_ERROR, "framerate not set\n");
return -1;
}
i= (INT_MAX/2+128)>>8;
if(avctx->me_threshold >= i){
av_log(avctx, AV_LOG_ERROR, "me_threshold too large, max is %d\n", i - 1);
return -1;
}
if(avctx->mb_threshold >= i){
av_log(avctx, AV_LOG_ERROR, "mb_threshold too large, max is %d\n", i - 1);
return -1;
}
if(avctx->b_frame_strategy && (avctx->flags&CODEC_FLAG_PASS2)){
av_log(avctx, AV_LOG_INFO, "notice: b_frame_strategy only affects the first pass\n");
avctx->b_frame_strategy = 0;
}
i= av_gcd(avctx->time_base.den, avctx->time_base.num);
if(i > 1){
av_log(avctx, AV_LOG_INFO, "removing common factors from framerate\n");
avctx->time_base.den /= i;
avctx->time_base.num /= i;
// return -1;
}
if(s->codec_id==CODEC_ID_MJPEG){
s->intra_quant_bias= 1<<(QUANT_BIAS_SHIFT-1); //(a + x/2)/x
s->inter_quant_bias= 0;
}else if(s->mpeg_quant || s->codec_id==CODEC_ID_MPEG1VIDEO || s->codec_id==CODEC_ID_MPEG2VIDEO){
s->intra_quant_bias= 3<<(QUANT_BIAS_SHIFT-3); //(a + x*3/8)/x
s->inter_quant_bias= 0;
}else{
s->intra_quant_bias=0;
s->inter_quant_bias=-(1<<(QUANT_BIAS_SHIFT-2)); //(a - x/4)/x
}
if(avctx->intra_quant_bias != FF_DEFAULT_QUANT_BIAS)
s->intra_quant_bias= avctx->intra_quant_bias;
if(avctx->inter_quant_bias != FF_DEFAULT_QUANT_BIAS)
s->inter_quant_bias= avctx->inter_quant_bias;
avcodec_get_chroma_sub_sample(avctx->pix_fmt, &chroma_h_shift, &chroma_v_shift);
if(avctx->codec_id == CODEC_ID_MPEG4 && s->avctx->time_base.den > (1<<16)-1){
av_log(avctx, AV_LOG_ERROR, "timebase not supported by mpeg 4 standard\n");
return -1;
}
s->time_increment_bits = av_log2(s->avctx->time_base.den - 1) + 1;
switch(avctx->codec->id) {
case CODEC_ID_MPEG1VIDEO:
s->out_format = FMT_MPEG1;
s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
break;
case CODEC_ID_MPEG2VIDEO:
s->out_format = FMT_MPEG1;
s->low_delay= !!(s->flags & CODEC_FLAG_LOW_DELAY);
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
s->rtp_mode= 1;
break;
case CODEC_ID_LJPEG:
case CODEC_ID_MJPEG:
s->out_format = FMT_MJPEG;
s->intra_only = 1; /* force intra only for jpeg */
if(avctx->codec->id == CODEC_ID_MJPEG || avctx->pix_fmt != PIX_FMT_BGRA){
s->mjpeg_vsample[0] = 2;
s->mjpeg_vsample[1] = 2>>chroma_v_shift;
s->mjpeg_vsample[2] = 2>>chroma_v_shift;
s->mjpeg_hsample[0] = 2;
s->mjpeg_hsample[1] = 2>>chroma_h_shift;
s->mjpeg_hsample[2] = 2>>chroma_h_shift;
}else{
s->mjpeg_vsample[0] = s->mjpeg_hsample[0] =
s->mjpeg_vsample[1] = s->mjpeg_hsample[1] =
s->mjpeg_vsample[2] = s->mjpeg_hsample[2] = 1;
}
if (!(CONFIG_MJPEG_ENCODER || CONFIG_LJPEG_ENCODER)
|| ff_mjpeg_encode_init(s) < 0)
return -1;
avctx->delay=0;
s->low_delay=1;
break;
case CODEC_ID_H261:
if (!CONFIG_H261_ENCODER) return -1;
if (ff_h261_get_picture_format(s->width, s->height) < 0) {
av_log(avctx, AV_LOG_ERROR, "The specified picture size of %dx%d is not valid for the H.261 codec.\nValid sizes are 176x144, 352x288\n", s->width, s->height);
return -1;
}
s->out_format = FMT_H261;
avctx->delay=0;
s->low_delay=1;
break;
case CODEC_ID_H263:
if (!CONFIG_H263_ENCODER) return -1;
if (h263_get_picture_format(s->width, s->height) == 7) {
av_log(avctx, AV_LOG_INFO, "The specified picture size of %dx%d is not valid for the H.263 codec.\nValid sizes are 128x96, 176x144, 352x288, 704x576, and 1408x1152. Try H.263+.\n", s->width, s->height);
return -1;
}
s->out_format = FMT_H263;
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
avctx->delay=0;
s->low_delay=1;
break;
case CODEC_ID_H263P:
s->out_format = FMT_H263;
s->h263_plus = 1;
/* Fx */
s->umvplus = (avctx->flags & CODEC_FLAG_H263P_UMV) ? 1:0;
s->h263_aic= (avctx->flags & CODEC_FLAG_AC_PRED) ? 1:0;
s->modified_quant= s->h263_aic;
s->alt_inter_vlc= (avctx->flags & CODEC_FLAG_H263P_AIV) ? 1:0;
s->obmc= (avctx->flags & CODEC_FLAG_OBMC) ? 1:0;
s->loop_filter= (avctx->flags & CODEC_FLAG_LOOP_FILTER) ? 1:0;
s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
s->h263_slice_structured= (s->flags & CODEC_FLAG_H263P_SLICE_STRUCT) ? 1:0;
/* /Fx */
/* These are just to be sure */
avctx->delay=0;
s->low_delay=1;
break;
case CODEC_ID_FLV1:
s->out_format = FMT_H263;
s->h263_flv = 2; /* format = 1; 11-bit codes */
s->unrestricted_mv = 1;
s->rtp_mode=0; /* don't allow GOB */
avctx->delay=0;
s->low_delay=1;
break;
case CODEC_ID_RV10:
s->out_format = FMT_H263;
avctx->delay=0;
s->low_delay=1;
break;
case CODEC_ID_RV20:
s->out_format = FMT_H263;
avctx->delay=0;
s->low_delay=1;
s->modified_quant=1;
s->h263_aic=1;
s->h263_plus=1;
s->loop_filter=1;
s->unrestricted_mv= s->obmc || s->loop_filter || s->umvplus;
break;
case CODEC_ID_MPEG4:
s->out_format = FMT_H263;
s->h263_pred = 1;
s->unrestricted_mv = 1;
s->low_delay= s->max_b_frames ? 0 : 1;
avctx->delay= s->low_delay ? 0 : (s->max_b_frames + 1);
break;
case CODEC_ID_MSMPEG4V1:
s->out_format = FMT_H263;
s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->unrestricted_mv = 1;
s->msmpeg4_version= 1;
avctx->delay=0;
s->low_delay=1;
break;
case CODEC_ID_MSMPEG4V2:
s->out_format = FMT_H263;
s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->unrestricted_mv = 1;
s->msmpeg4_version= 2;
avctx->delay=0;
s->low_delay=1;
break;
case CODEC_ID_MSMPEG4V3:
s->out_format = FMT_H263;
s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->unrestricted_mv = 1;
s->msmpeg4_version= 3;
s->flipflop_rounding=1;
avctx->delay=0;
s->low_delay=1;
break;
case CODEC_ID_WMV1:
s->out_format = FMT_H263;
s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->unrestricted_mv = 1;
s->msmpeg4_version= 4;
s->flipflop_rounding=1;
avctx->delay=0;
s->low_delay=1;
break;
case CODEC_ID_WMV2:
s->out_format = FMT_H263;
s->h263_msmpeg4 = 1;
s->h263_pred = 1;
s->unrestricted_mv = 1;
s->msmpeg4_version= 5;
s->flipflop_rounding=1;
avctx->delay=0;
s->low_delay=1;
break;
default:
return -1;
}
avctx->has_b_frames= !s->low_delay;
s->encoding = 1;
s->progressive_frame=
s->progressive_sequence= !(avctx->flags & (CODEC_FLAG_INTERLACED_DCT|CODEC_FLAG_INTERLACED_ME|CODEC_FLAG_ALT_SCAN));
/* init */
if (MPV_common_init(s) < 0)
return -1;
if(!s->dct_quantize)
s->dct_quantize = dct_quantize_c;
if(!s->denoise_dct)
s->denoise_dct = denoise_dct_c;
s->fast_dct_quantize = s->dct_quantize;
if(avctx->trellis)
s->dct_quantize = dct_quantize_trellis_c;
if((CONFIG_H263P_ENCODER || CONFIG_RV20_ENCODER) && s->modified_quant)
s->chroma_qscale_table= ff_h263_chroma_qscale_table;
s->quant_precision=5;
ff_set_cmp(&s->dsp, s->dsp.ildct_cmp, s->avctx->ildct_cmp);
ff_set_cmp(&s->dsp, s->dsp.frame_skip_cmp, s->avctx->frame_skip_cmp);
if (CONFIG_H261_ENCODER && s->out_format == FMT_H261)
ff_h261_encode_init(s);
if (CONFIG_ANY_H263_ENCODER && s->out_format == FMT_H263)
h263_encode_init(s);
if (CONFIG_MSMPEG4_ENCODER && s->msmpeg4_version)
ff_msmpeg4_encode_init(s);
if ((CONFIG_MPEG1VIDEO_ENCODER || CONFIG_MPEG2VIDEO_ENCODER)
&& s->out_format == FMT_MPEG1)
ff_mpeg1_encode_init(s);
/* init q matrix */
for(i=0;i<64;i++) {
int j= s->dsp.idct_permutation[i];
if(CONFIG_MPEG4_ENCODER && s->codec_id==CODEC_ID_MPEG4 && s->mpeg_quant){
s->intra_matrix[j] = ff_mpeg4_default_intra_matrix[i];
s->inter_matrix[j] = ff_mpeg4_default_non_intra_matrix[i];
}else if(s->out_format == FMT_H263 || s->out_format == FMT_H261){
s->intra_matrix[j] =
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
}else
{ /* mpeg1/2 */
s->intra_matrix[j] = ff_mpeg1_default_intra_matrix[i];
s->inter_matrix[j] = ff_mpeg1_default_non_intra_matrix[i];
}
if(s->avctx->intra_matrix)
s->intra_matrix[j] = s->avctx->intra_matrix[i];
if(s->avctx->inter_matrix)
s->inter_matrix[j] = s->avctx->inter_matrix[i];
}
/* precompute matrix */
/* for mjpeg, we do include qscale in the matrix */
if (s->out_format != FMT_MJPEG) {
ff_convert_matrix(&s->dsp, s->q_intra_matrix, s->q_intra_matrix16,
s->intra_matrix, s->intra_quant_bias, avctx->qmin, 31, 1);
ff_convert_matrix(&s->dsp, s->q_inter_matrix, s->q_inter_matrix16,
s->inter_matrix, s->inter_quant_bias, avctx->qmin, 31, 0);
}
if(ff_rate_control_init(s) < 0)
return -1;
return 0;
}
| 21,666 |
FFmpeg | 625b582d5a9196c582e7702b542b3e0face30ccf | 0 | static void read_sbr_envelope(SpectralBandReplication *sbr, GetBitContext *gb,
SBRData *ch_data, int ch)
{
int bits;
int i, j, k;
VLC_TYPE (*t_huff)[2], (*f_huff)[2];
int t_lav, f_lav;
const int delta = (ch == 1 && sbr->bs_coupling == 1) + 1;
const int odd = sbr->n[1] & 1;
if (sbr->bs_coupling && ch) {
if (ch_data->bs_amp_res) {
bits = 5;
t_huff = vlc_sbr[T_HUFFMAN_ENV_BAL_3_0DB].table;
t_lav = vlc_sbr_lav[T_HUFFMAN_ENV_BAL_3_0DB];
f_huff = vlc_sbr[F_HUFFMAN_ENV_BAL_3_0DB].table;
f_lav = vlc_sbr_lav[F_HUFFMAN_ENV_BAL_3_0DB];
} else {
bits = 6;
t_huff = vlc_sbr[T_HUFFMAN_ENV_BAL_1_5DB].table;
t_lav = vlc_sbr_lav[T_HUFFMAN_ENV_BAL_1_5DB];
f_huff = vlc_sbr[F_HUFFMAN_ENV_BAL_1_5DB].table;
f_lav = vlc_sbr_lav[F_HUFFMAN_ENV_BAL_1_5DB];
}
} else {
if (ch_data->bs_amp_res) {
bits = 6;
t_huff = vlc_sbr[T_HUFFMAN_ENV_3_0DB].table;
t_lav = vlc_sbr_lav[T_HUFFMAN_ENV_3_0DB];
f_huff = vlc_sbr[F_HUFFMAN_ENV_3_0DB].table;
f_lav = vlc_sbr_lav[F_HUFFMAN_ENV_3_0DB];
} else {
bits = 7;
t_huff = vlc_sbr[T_HUFFMAN_ENV_1_5DB].table;
t_lav = vlc_sbr_lav[T_HUFFMAN_ENV_1_5DB];
f_huff = vlc_sbr[F_HUFFMAN_ENV_1_5DB].table;
f_lav = vlc_sbr_lav[F_HUFFMAN_ENV_1_5DB];
}
}
for (i = 0; i < ch_data->bs_num_env; i++) {
if (ch_data->bs_df_env[i]) {
// bs_freq_res[0] == bs_freq_res[bs_num_env] from prev frame
if (ch_data->bs_freq_res[i + 1] == ch_data->bs_freq_res[i]) {
for (j = 0; j < sbr->n[ch_data->bs_freq_res[i + 1]]; j++)
ch_data->env_facs_q[i + 1][j] = ch_data->env_facs_q[i][j] + delta * (get_vlc2(gb, t_huff, 9, 3) - t_lav);
} else if (ch_data->bs_freq_res[i + 1]) {
for (j = 0; j < sbr->n[ch_data->bs_freq_res[i + 1]]; j++) {
k = (j + odd) >> 1; // find k such that f_tablelow[k] <= f_tablehigh[j] < f_tablelow[k + 1]
ch_data->env_facs_q[i + 1][j] = ch_data->env_facs_q[i][k] + delta * (get_vlc2(gb, t_huff, 9, 3) - t_lav);
}
} else {
for (j = 0; j < sbr->n[ch_data->bs_freq_res[i + 1]]; j++) {
k = j ? 2*j - odd : 0; // find k such that f_tablehigh[k] == f_tablelow[j]
ch_data->env_facs_q[i + 1][j] = ch_data->env_facs_q[i][k] + delta * (get_vlc2(gb, t_huff, 9, 3) - t_lav);
}
}
} else {
ch_data->env_facs_q[i + 1][0] = delta * get_bits(gb, bits); // bs_env_start_value_balance
for (j = 1; j < sbr->n[ch_data->bs_freq_res[i + 1]]; j++)
ch_data->env_facs_q[i + 1][j] = ch_data->env_facs_q[i + 1][j - 1] + delta * (get_vlc2(gb, f_huff, 9, 3) - f_lav);
}
}
//assign 0th elements of env_facs_q from last elements
memcpy(ch_data->env_facs_q[0], ch_data->env_facs_q[ch_data->bs_num_env],
sizeof(ch_data->env_facs_q[0]));
}
| 21,667 |
FFmpeg | e661f760517b5843903941d5803de1890ebd8b1d | 0 | static int pva_read_packet(AVFormatContext *s, AVPacket *pkt) {
ByteIOContext *pb = s->pb;
PVAContext *pvactx = s->priv_data;
int ret, syncword, streamid, reserved, flags, length, pts_flag;
int64_t pva_pts = AV_NOPTS_VALUE;
recover:
syncword = get_be16(pb);
streamid = get_byte(pb);
get_byte(pb); /* counter not used */
reserved = get_byte(pb);
flags = get_byte(pb);
length = get_be16(pb);
pts_flag = flags & 0x10;
if (syncword != PVA_MAGIC) {
av_log(s, AV_LOG_ERROR, "invalid syncword\n");
return AVERROR(EIO);
}
if (streamid != PVA_VIDEO_PAYLOAD && streamid != PVA_AUDIO_PAYLOAD) {
av_log(s, AV_LOG_ERROR, "invalid streamid\n");
return AVERROR(EIO);
}
if (reserved != 0x55) {
av_log(s, AV_LOG_WARNING, "expected reserved byte to be 0x55\n");
}
if (length > PVA_MAX_PAYLOAD_LENGTH) {
av_log(s, AV_LOG_ERROR, "invalid payload length %u\n", length);
return AVERROR(EIO);
}
if (streamid == PVA_VIDEO_PAYLOAD && pts_flag) {
pva_pts = get_be32(pb);
length -= 4;
} else if (streamid == PVA_AUDIO_PAYLOAD) {
/* PVA Audio Packets either start with a signaled PES packet or
* are a continuation of the previous PES packet. New PES packets
* always start at the beginning of a PVA Packet, never somewhere in
* the middle. */
if (!pvactx->continue_pes) {
int pes_signal, pes_header_data_length, pes_packet_length,
pes_flags;
unsigned char pes_header_data[256];
pes_signal = get_be24(pb);
get_byte(pb);
pes_packet_length = get_be16(pb);
pes_flags = get_be16(pb);
pes_header_data_length = get_byte(pb);
if (pes_signal != 1) {
av_log(s, AV_LOG_WARNING, "expected signaled PES packet, "
"trying to recover\n");
url_fskip(pb, length - 9);
goto recover;
}
get_buffer(pb, pes_header_data, pes_header_data_length);
length -= 9 + pes_header_data_length;
pes_packet_length -= 3 + pes_header_data_length;
pvactx->continue_pes = pes_packet_length;
if (pes_flags & 0x80 && (pes_header_data[0] & 0xf0) == 0x20)
pva_pts = ff_parse_pes_pts(pes_header_data);
}
pvactx->continue_pes -= length;
if (pvactx->continue_pes < 0) {
av_log(s, AV_LOG_WARNING, "audio data corruption\n");
pvactx->continue_pes = 0;
}
}
if ((ret = av_get_packet(pb, pkt, length)) <= 0)
return AVERROR(EIO);
pkt->stream_index = streamid - 1;
if (pva_pts != AV_NOPTS_VALUE)
pkt->pts = pva_pts;
return ret;
}
| 21,668 |
FFmpeg | 29b0d94b43ac960cb442049a5d737a3386ff0337 | 1 | static int decode_blck(uint8_t *frame, int width, int height,
const uint8_t *src, const uint8_t *src_end)
{
memset(frame, 0, width * height);
return 0;
}
| 21,669 |
qemu | a8fb542705ac7e0dcf00908bc47bf49cdd058abe | 1 | static CharDriverState *qmp_chardev_open_socket(const char *id,
ChardevBackend *backend,
ChardevReturn *ret,
Error **errp)
{
CharDriverState *chr;
TCPCharDriver *s;
ChardevSocket *sock = backend->u.socket;
SocketAddress *addr = sock->addr;
bool do_nodelay = sock->has_nodelay ? sock->nodelay : false;
bool is_listen = sock->has_server ? sock->server : true;
bool is_telnet = sock->has_telnet ? sock->telnet : false;
bool is_waitconnect = sock->has_wait ? sock->wait : false;
int64_t reconnect = sock->has_reconnect ? sock->reconnect : 0;
ChardevCommon *common = qapi_ChardevSocket_base(backend->u.socket);
chr = qemu_chr_alloc(common, errp);
if (!chr) {
return NULL;
}
s = g_new0(TCPCharDriver, 1);
s->is_unix = addr->type == SOCKET_ADDRESS_KIND_UNIX;
s->is_listen = is_listen;
s->is_telnet = is_telnet;
s->do_nodelay = do_nodelay;
qapi_copy_SocketAddress(&s->addr, sock->addr);
chr->opaque = s;
chr->chr_write = tcp_chr_write;
chr->chr_sync_read = tcp_chr_sync_read;
chr->chr_close = tcp_chr_close;
chr->get_msgfds = tcp_get_msgfds;
chr->set_msgfds = tcp_set_msgfds;
chr->chr_add_client = tcp_chr_add_client;
chr->chr_add_watch = tcp_chr_add_watch;
chr->chr_update_read_handler = tcp_chr_update_read_handler;
/* be isn't opened until we get a connection */
chr->explicit_be_open = true;
chr->filename = SocketAddress_to_str("disconnected:",
addr, is_listen, is_telnet);
if (is_listen) {
if (is_telnet) {
s->do_telnetopt = 1;
}
} else if (reconnect > 0) {
s->reconnect_time = reconnect;
}
if (s->reconnect_time) {
socket_try_connect(chr);
} else if (!qemu_chr_open_socket_fd(chr, errp)) {
g_free(s);
qemu_chr_free_common(chr);
return NULL;
}
if (is_listen && is_waitconnect) {
fprintf(stderr, "QEMU waiting for connection on: %s\n",
chr->filename);
tcp_chr_accept(QIO_CHANNEL(s->listen_ioc), G_IO_IN, chr);
qio_channel_set_blocking(QIO_CHANNEL(s->listen_ioc), false, NULL);
}
return chr;
}
| 21,671 |
qemu | 4c315c27661502a0813b129e41c0bf640c34a8d6 | 1 | static void pci_vpb_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
dc->realize = pci_vpb_realize;
dc->reset = pci_vpb_reset;
dc->vmsd = &pci_vpb_vmstate;
dc->props = pci_vpb_properties;
} | 21,672 |
qemu | 89da90b1b4acf24a9a3f2fd197b1bdf69ab24e72 | 1 | static void gt64120_pci_mapping(GT64120State *s)
{
/* Update IO mapping */
if ((s->regs[GT_PCI0IOLD] & 0x7f) <= s->regs[GT_PCI0IOHD])
{
/* Unmap old IO address */
if (s->PCI0IO_length)
{
memory_region_del_subregion(get_system_memory(), &s->PCI0IO_mem);
memory_region_destroy(&s->PCI0IO_mem);
}
/* Map new IO address */
s->PCI0IO_start = s->regs[GT_PCI0IOLD] << 21;
s->PCI0IO_length = ((s->regs[GT_PCI0IOHD] + 1) - (s->regs[GT_PCI0IOLD] & 0x7f)) << 21;
isa_mem_base = s->PCI0IO_start;
isa_mmio_init(s->PCI0IO_start, s->PCI0IO_length);
}
}
| 21,673 |
qemu | 372579427a5040a26dfee78464b50e2bdf27ef26 | 1 | static void *qemu_dummy_cpu_thread_fn(void *arg)
{
#ifdef _WIN32
fprintf(stderr, "qtest is not supported under Windows\n");
exit(1);
#else
CPUState *cpu = arg;
sigset_t waitset;
int r;
rcu_register_thread();
qemu_mutex_lock_iothread();
qemu_thread_get_self(cpu->thread);
cpu->thread_id = qemu_get_thread_id();
cpu->can_do_io = 1;
sigemptyset(&waitset);
sigaddset(&waitset, SIG_IPI);
/* signal CPU creation */
cpu->created = true;
qemu_cond_signal(&qemu_cpu_cond);
current_cpu = cpu;
while (1) {
current_cpu = NULL;
qemu_mutex_unlock_iothread();
do {
int sig;
r = sigwait(&waitset, &sig);
} while (r == -1 && (errno == EAGAIN || errno == EINTR));
if (r == -1) {
perror("sigwait");
exit(1);
}
qemu_mutex_lock_iothread();
current_cpu = cpu;
qemu_wait_io_event_common(cpu);
}
return NULL;
#endif
}
| 21,674 |
qemu | eb584b401fdc0866d2ff0c03ab8b09d2ba04a49b | 1 | void target_disas(FILE *out, CPUState *cpu, target_ulong code,
target_ulong size, int flags)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
target_ulong pc;
int count;
CPUDebug s;
INIT_DISASSEMBLE_INFO(s.info, out, fprintf);
s.cpu = cpu;
s.info.read_memory_func = target_read_memory;
s.info.read_memory_inner_func = NULL;
s.info.buffer_vma = code;
s.info.buffer_length = size;
s.info.print_address_func = generic_print_address;
#ifdef TARGET_WORDS_BIGENDIAN
s.info.endian = BFD_ENDIAN_BIG;
#else
s.info.endian = BFD_ENDIAN_LITTLE;
#endif
if (cc->disas_set_info) {
cc->disas_set_info(cpu, &s.info);
}
#if defined(TARGET_I386)
if (flags == 2) {
s.info.mach = bfd_mach_x86_64;
} else if (flags == 1) {
s.info.mach = bfd_mach_i386_i8086;
} else {
s.info.mach = bfd_mach_i386_i386;
}
s.info.print_insn = print_insn_i386;
#elif defined(TARGET_PPC)
if ((flags >> 16) & 1) {
s.info.endian = BFD_ENDIAN_LITTLE;
}
if (flags & 0xFFFF) {
/* If we have a precise definition of the instruction set, use it. */
s.info.mach = flags & 0xFFFF;
} else {
#ifdef TARGET_PPC64
s.info.mach = bfd_mach_ppc64;
#else
s.info.mach = bfd_mach_ppc;
#endif
}
s.info.disassembler_options = (char *)"any";
s.info.print_insn = print_insn_ppc;
#endif
if (s.info.print_insn == NULL) {
s.info.print_insn = print_insn_od_target;
}
for (pc = code; size > 0; pc += count, size -= count) {
fprintf(out, "0x" TARGET_FMT_lx ": ", pc);
count = s.info.print_insn(pc, &s.info);
#if 0
{
int i;
uint8_t b;
fprintf(out, " {");
for(i = 0; i < count; i++) {
target_read_memory(pc + i, &b, 1, &s.info);
fprintf(out, " %02x", b);
}
fprintf(out, " }");
}
#endif
fprintf(out, "\n");
if (count < 0)
break;
if (size < count) {
fprintf(out,
"Disassembler disagrees with translator over instruction "
"decoding\n"
"Please report this to [email protected]\n");
break;
}
}
}
| 21,675 |
FFmpeg | b5d2bf964be338bf8e86a01619646332729b434e | 1 | static inline int decode_bytes(const uint8_t *inbuffer, uint8_t *out, int bytes)
{
static const uint32_t tab[4] = {
AV_BE2NE32C(0x37c511f2), AV_BE2NE32C(0xf237c511),
AV_BE2NE32C(0x11f237c5), AV_BE2NE32C(0xc511f237),
};
int i, off;
uint32_t c;
const uint32_t *buf;
uint32_t *obuf = (uint32_t *) out;
/* FIXME: 64 bit platforms would be able to do 64 bits at a time.
* I'm too lazy though, should be something like
* for (i = 0; i < bitamount / 64; i++)
* (int64_t) out[i] = 0x37c511f237c511f2 ^ av_be2ne64(int64_t) in[i]);
* Buffer alignment needs to be checked. */
off = (intptr_t) inbuffer & 3;
buf = (const uint32_t *) (inbuffer - off);
c = tab[off];
bytes += 3 + off;
for (i = 0; i < bytes / 4; i++)
obuf[i] = c ^ buf[i];
return off;
}
| 21,676 |
qemu | 4fa62005d0a85df9bb14ea9f53109d7c5f66eeb9 | 1 | static void coroutine_fn v9fs_fix_fid_paths(V9fsPDU *pdu, V9fsPath *olddir,
V9fsString *old_name,
V9fsPath *newdir,
V9fsString *new_name)
{
V9fsFidState *tfidp;
V9fsPath oldpath, newpath;
V9fsState *s = pdu->s;
v9fs_path_init(&oldpath);
v9fs_path_init(&newpath);
v9fs_co_name_to_path(pdu, olddir, old_name->data, &oldpath);
v9fs_co_name_to_path(pdu, newdir, new_name->data, &newpath);
/*
* Fixup fid's pointing to the old name to
* start pointing to the new name
*/
for (tfidp = s->fid_list; tfidp; tfidp = tfidp->next) {
if (v9fs_path_is_ancestor(&oldpath, &tfidp->path)) {
/* replace the name */
v9fs_fix_path(&tfidp->path, &newpath, strlen(oldpath.data));
}
}
v9fs_path_free(&oldpath);
v9fs_path_free(&newpath);
}
| 21,677 |
FFmpeg | d8edf1b515ae9fbcea2103305241d130c16e1003 | 0 | static inline void rv40_weak_loop_filter(uint8_t *src, const int step,
const int filter_p1, const int filter_q1,
const int alpha, const int beta,
const int lim_p0q0,
const int lim_q1, const int lim_p1,
const int diff_p1p0, const int diff_q1q0,
const int diff_p1p2, const int diff_q1q2)
{
uint8_t *cm = ff_cropTbl + MAX_NEG_CROP;
int t, u, diff;
t = src[0*step] - src[-1*step];
if(!t)
return;
u = (alpha * FFABS(t)) >> 7;
if(u > 3 - (filter_p1 && filter_q1))
return;
t <<= 2;
if(filter_p1 && filter_q1)
t += src[-2*step] - src[1*step];
diff = CLIP_SYMM((t + 4) >> 3, lim_p0q0);
src[-1*step] = cm[src[-1*step] + diff];
src[ 0*step] = cm[src[ 0*step] - diff];
if(FFABS(diff_p1p2) <= beta && filter_p1){
t = (diff_p1p0 + diff_p1p2 - diff) >> 1;
src[-2*step] = cm[src[-2*step] - CLIP_SYMM(t, lim_p1)];
}
if(FFABS(diff_q1q2) <= beta && filter_q1){
t = (diff_q1q0 + diff_q1q2 + diff) >> 1;
src[ 1*step] = cm[src[ 1*step] - CLIP_SYMM(t, lim_q1)];
}
}
| 21,678 |
FFmpeg | c0f0bec2f205e567fc0eef8a9bf59d585e14094c | 0 | static int fileTest(uint8_t *ref[4], int refStride[4], int w, int h, FILE *fp,
enum AVPixelFormat srcFormat_in,
enum AVPixelFormat dstFormat_in)
{
char buf[256];
while (fgets(buf, sizeof(buf), fp)) {
struct Results r;
enum AVPixelFormat srcFormat;
char srcStr[12];
int srcW, srcH;
enum AVPixelFormat dstFormat;
char dstStr[12];
int dstW, dstH;
int flags;
int ret;
ret = sscanf(buf,
" %12s %dx%d -> %12s %dx%d flags=%d CRC=%x"
" SSD=%"PRId64 ", %"PRId64 ", %"PRId64 ", %"PRId64 "\n",
srcStr, &srcW, &srcH, dstStr, &dstW, &dstH,
&flags, &r.crc, &r.ssdY, &r.ssdU, &r.ssdV, &r.ssdA);
if (ret != 12) {
srcStr[0] = dstStr[0] = 0;
ret = sscanf(buf, "%12s -> %12s\n", srcStr, dstStr);
}
srcFormat = av_get_pix_fmt(srcStr);
dstFormat = av_get_pix_fmt(dstStr);
if (srcFormat == AV_PIX_FMT_NONE || dstFormat == AV_PIX_FMT_NONE) {
fprintf(stderr, "malformed input file\n");
return -1;
}
if ((srcFormat_in != AV_PIX_FMT_NONE && srcFormat_in != srcFormat) ||
(dstFormat_in != AV_PIX_FMT_NONE && dstFormat_in != dstFormat))
continue;
if (ret != 12) {
printf("%s", buf);
continue;
}
doTest(ref, refStride, w, h,
srcFormat, dstFormat,
srcW, srcH, dstW, dstH, flags,
&r);
}
return 0;
}
| 21,679 |
FFmpeg | a4d3cf10b2ece441ae25849a66b1c11d838f9381 | 0 | static int dirac_decode_frame_internal(DiracContext *s)
{
DWTContext d;
int y, i, comp, dsty;
if (s->low_delay) {
/* [DIRAC_STD] 13.5.1 low_delay_transform_data() */
for (comp = 0; comp < 3; comp++) {
Plane *p = &s->plane[comp];
memset(p->idwt_buf, 0, p->idwt_stride * p->idwt_height * sizeof(IDWTELEM));
}
if (!s->zero_res)
decode_lowdelay(s);
}
for (comp = 0; comp < 3; comp++) {
Plane *p = &s->plane[comp];
uint8_t *frame = s->current_picture->avframe->data[comp];
/* FIXME: small resolutions */
for (i = 0; i < 4; i++)
s->edge_emu_buffer[i] = s->edge_emu_buffer_base + i*FFALIGN(p->width, 16);
if (!s->zero_res && !s->low_delay)
{
memset(p->idwt_buf, 0, p->idwt_stride * p->idwt_height * sizeof(IDWTELEM));
decode_component(s, comp); /* [DIRAC_STD] 13.4.1 core_transform_data() */
}
if (ff_spatial_idwt_init2(&d, p->idwt_buf, p->idwt_width, p->idwt_height, p->idwt_stride,
s->wavelet_idx+2, s->wavelet_depth, p->idwt_tmp))
return -1;
if (!s->num_refs) { /* intra */
for (y = 0; y < p->height; y += 16) {
ff_spatial_idwt_slice2(&d, y+16); /* decode */
s->diracdsp.put_signed_rect_clamped(frame + y*p->stride, p->stride,
p->idwt_buf + y*p->idwt_stride, p->idwt_stride, p->width, 16);
}
} else { /* inter */
int rowheight = p->ybsep*p->stride;
select_dsp_funcs(s, p->width, p->height, p->xblen, p->yblen);
for (i = 0; i < s->num_refs; i++)
interpolate_refplane(s, s->ref_pics[i], comp, p->width, p->height);
memset(s->mctmp, 0, 4*p->yoffset*p->stride);
dsty = -p->yoffset;
for (y = 0; y < s->blheight; y++) {
int h = 0,
start = FFMAX(dsty, 0);
uint16_t *mctmp = s->mctmp + y*rowheight;
DiracBlock *blocks = s->blmotion + y*s->blwidth;
init_obmc_weights(s, p, y);
if (y == s->blheight-1 || start+p->ybsep > p->height)
h = p->height - start;
else
h = p->ybsep - (start - dsty);
if (h < 0)
break;
memset(mctmp+2*p->yoffset*p->stride, 0, 2*rowheight);
mc_row(s, blocks, mctmp, comp, dsty);
mctmp += (start - dsty)*p->stride + p->xoffset;
ff_spatial_idwt_slice2(&d, start + h); /* decode */
s->diracdsp.add_rect_clamped(frame + start*p->stride, mctmp, p->stride,
p->idwt_buf + start*p->idwt_stride, p->idwt_stride, p->width, h);
dsty += p->ybsep;
}
}
}
return 0;
}
| 21,680 |
FFmpeg | ef912134f01c1fba3ab201fdf98d90ab4eb55179 | 1 | void updateMMXDitherTables(SwsContext *c, int dstY, int lumBufIndex, int chrBufIndex,
int lastInLumBuf, int lastInChrBuf)
{
const int dstH= c->dstH;
const int flags= c->flags;
int16_t **lumPixBuf= c->lumPixBuf;
int16_t **chrUPixBuf= c->chrUPixBuf;
int16_t **alpPixBuf= c->alpPixBuf;
const int vLumBufSize= c->vLumBufSize;
const int vChrBufSize= c->vChrBufSize;
int32_t *vLumFilterPos= c->vLumFilterPos;
int32_t *vChrFilterPos= c->vChrFilterPos;
int16_t *vLumFilter= c->vLumFilter;
int16_t *vChrFilter= c->vChrFilter;
int32_t *lumMmxFilter= c->lumMmxFilter;
int32_t *chrMmxFilter= c->chrMmxFilter;
int32_t av_unused *alpMmxFilter= c->alpMmxFilter;
const int vLumFilterSize= c->vLumFilterSize;
const int vChrFilterSize= c->vChrFilterSize;
const int chrDstY= dstY>>c->chrDstVSubSample;
const int firstLumSrcY= vLumFilterPos[dstY]; //First line needed as input
const int firstChrSrcY= vChrFilterPos[chrDstY]; //First line needed as input
c->blueDither= ff_dither8[dstY&1];
if (c->dstFormat == PIX_FMT_RGB555 || c->dstFormat == PIX_FMT_BGR555)
c->greenDither= ff_dither8[dstY&1];
else
c->greenDither= ff_dither4[dstY&1];
c->redDither= ff_dither8[(dstY+1)&1];
if (dstY < dstH - 2) {
const int16_t **lumSrcPtr= (const int16_t **)(void*) lumPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize;
const int16_t **chrUSrcPtr= (const int16_t **)(void*) chrUPixBuf + chrBufIndex + firstChrSrcY - lastInChrBuf + vChrBufSize;
const int16_t **alpSrcPtr= (CONFIG_SWSCALE_ALPHA && alpPixBuf) ? (const int16_t **)(void*) alpPixBuf + lumBufIndex + firstLumSrcY - lastInLumBuf + vLumBufSize : NULL;
int i;
if (firstLumSrcY < 0 || firstLumSrcY + vLumFilterSize > c->srcH) {
const int16_t **tmpY = (const int16_t **) lumPixBuf + 2 * vLumBufSize;
int neg = -firstLumSrcY, i, end = FFMIN(c->srcH - firstLumSrcY, vLumFilterSize);
for (i = 0; i < neg; i++)
tmpY[i] = lumSrcPtr[neg];
for ( ; i < end; i++)
tmpY[i] = lumSrcPtr[i];
for ( ; i < vLumFilterSize; i++)
tmpY[i] = tmpY[i-1];
lumSrcPtr = tmpY;
if (alpSrcPtr) {
const int16_t **tmpA = (const int16_t **) alpPixBuf + 2 * vLumBufSize;
for (i = 0; i < neg; i++)
tmpA[i] = alpSrcPtr[neg];
for ( ; i < end; i++)
tmpA[i] = alpSrcPtr[i];
for ( ; i < vLumFilterSize; i++)
tmpA[i] = tmpA[i - 1];
alpSrcPtr = tmpA;
}
}
if (firstChrSrcY < 0 || firstChrSrcY + vChrFilterSize > c->chrSrcH) {
const int16_t **tmpU = (const int16_t **) chrUPixBuf + 2 * vChrBufSize;
int neg = -firstChrSrcY, i, end = FFMIN(c->chrSrcH - firstChrSrcY, vChrFilterSize);
for (i = 0; i < neg; i++) {
tmpU[i] = chrUSrcPtr[neg];
}
for ( ; i < end; i++) {
tmpU[i] = chrUSrcPtr[i];
}
for ( ; i < vChrFilterSize; i++) {
tmpU[i] = tmpU[i - 1];
}
chrUSrcPtr = tmpU;
}
if (flags & SWS_ACCURATE_RND) {
int s= APCK_SIZE / 8;
for (i=0; i<vLumFilterSize; i+=2) {
*(const void**)&lumMmxFilter[s*i ]= lumSrcPtr[i ];
*(const void**)&lumMmxFilter[s*i+APCK_PTR2/4 ]= lumSrcPtr[i+(vLumFilterSize>1)];
lumMmxFilter[s*i+APCK_COEF/4 ]=
lumMmxFilter[s*i+APCK_COEF/4+1]= vLumFilter[dstY*vLumFilterSize + i ]
+ (vLumFilterSize>1 ? vLumFilter[dstY*vLumFilterSize + i + 1]<<16 : 0);
if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
*(const void**)&alpMmxFilter[s*i ]= alpSrcPtr[i ];
*(const void**)&alpMmxFilter[s*i+APCK_PTR2/4 ]= alpSrcPtr[i+(vLumFilterSize>1)];
alpMmxFilter[s*i+APCK_COEF/4 ]=
alpMmxFilter[s*i+APCK_COEF/4+1]= lumMmxFilter[s*i+APCK_COEF/4 ];
}
}
for (i=0; i<vChrFilterSize; i+=2) {
*(const void**)&chrMmxFilter[s*i ]= chrUSrcPtr[i ];
*(const void**)&chrMmxFilter[s*i+APCK_PTR2/4 ]= chrUSrcPtr[i+(vChrFilterSize>1)];
chrMmxFilter[s*i+APCK_COEF/4 ]=
chrMmxFilter[s*i+APCK_COEF/4+1]= vChrFilter[chrDstY*vChrFilterSize + i ]
+ (vChrFilterSize>1 ? vChrFilter[chrDstY*vChrFilterSize + i + 1]<<16 : 0);
}
} else {
for (i=0; i<vLumFilterSize; i++) {
*(const void**)&lumMmxFilter[4*i+0]= lumSrcPtr[i];
lumMmxFilter[4*i+2]=
lumMmxFilter[4*i+3]=
((uint16_t)vLumFilter[dstY*vLumFilterSize + i])*0x10001;
if (CONFIG_SWSCALE_ALPHA && alpPixBuf) {
*(const void**)&alpMmxFilter[4*i+0]= alpSrcPtr[i];
alpMmxFilter[4*i+2]=
alpMmxFilter[4*i+3]= lumMmxFilter[4*i+2];
}
}
for (i=0; i<vChrFilterSize; i++) {
*(const void**)&chrMmxFilter[4*i+0]= chrUSrcPtr[i];
chrMmxFilter[4*i+2]=
chrMmxFilter[4*i+3]=
((uint16_t)vChrFilter[chrDstY*vChrFilterSize + i])*0x10001;
}
}
}
}
| 21,681 |
qemu | c5a49c63fa26e8825ad101dfe86339ae4c216539 | 1 | static inline void gen_outs(DisasContext *s, TCGMemOp ot)
{
if (s->base.tb->cflags & CF_USE_ICOUNT) {
gen_io_start();
}
gen_string_movl_A0_ESI(s);
gen_op_ld_v(s, ot, cpu_T0, cpu_A0);
tcg_gen_trunc_tl_i32(cpu_tmp2_i32, cpu_regs[R_EDX]);
tcg_gen_andi_i32(cpu_tmp2_i32, cpu_tmp2_i32, 0xffff);
tcg_gen_trunc_tl_i32(cpu_tmp3_i32, cpu_T0);
gen_helper_out_func(ot, cpu_tmp2_i32, cpu_tmp3_i32);
gen_op_movl_T0_Dshift(ot);
gen_op_add_reg_T0(s->aflag, R_ESI);
gen_bpt_io(s, cpu_tmp2_i32, ot);
if (s->base.tb->cflags & CF_USE_ICOUNT) {
gen_io_end();
}
}
| 21,682 |
FFmpeg | 3715d841a619f1cbc4776d9b00575dae6fb6534a | 0 | static av_cold int alloc_buffers(AVCodecContext *avctx, AACEncContext *s)
{
FF_ALLOCZ_OR_GOTO(avctx, s->buffer.samples, 3 * 1024 * s->channels * sizeof(s->buffer.samples[0]), alloc_fail);
FF_ALLOCZ_OR_GOTO(avctx, s->cpe, sizeof(ChannelElement) * s->chan_map[0], alloc_fail);
FF_ALLOCZ_OR_GOTO(avctx, avctx->extradata, 5 + FF_INPUT_BUFFER_PADDING_SIZE, alloc_fail);
for(int ch = 0; ch < s->channels; ch++)
s->planar_samples[ch] = s->buffer.samples + 3 * 1024 * ch;
return 0;
alloc_fail:
return AVERROR(ENOMEM);
}
| 21,684 |
FFmpeg | 7303962f1467e302906561be53ca4d51abbe5522 | 0 | void ff_aac_update_ltp(AACEncContext *s, SingleChannelElement *sce)
{
int i, j, lag;
float corr, s0, s1, max_corr = 0.0f;
float *samples = &s->planar_samples[s->cur_channel][1024];
float *pred_signal = &sce->ltp_state[0];
int samples_num = 2048;
if (s->profile != FF_PROFILE_AAC_LTP)
return;
/* Calculate lag */
for (i = 0; i < samples_num; i++) {
s0 = s1 = 0.0f;
for (j = 0; j < samples_num; j++) {
if (j + 1024 < i)
continue;
s0 += samples[j]*pred_signal[j-i+1024];
s1 += pred_signal[j-i+1024]*pred_signal[j-i+1024];
}
corr = s1 > 0.0f ? s0/sqrt(s1) : 0.0f;
if (corr > max_corr) {
max_corr = corr;
lag = i;
}
}
lag = av_clip_uintp2(lag, 11); /* 11 bits => 2^11 = 0->2047 */
if (!lag) {
sce->ics.ltp.lag = lag;
return;
}
s0 = s1 = 0.0f;
for (i = 0; i < lag; i++) {
s0 += samples[i];
s1 += pred_signal[i-lag+1024];
}
sce->ics.ltp.coef_idx = quant_array_idx(s0/s1, ltp_coef, 8);
sce->ics.ltp.coef = ltp_coef[sce->ics.ltp.coef_idx];
/* Predict the new samples */
if (lag < 1024)
samples_num = lag + 1024;
for (i = 0; i < samples_num; i++)
pred_signal[i+1024] = sce->ics.ltp.coef*pred_signal[i-lag+1024];
memset(&pred_signal[samples_num], 0, (2048 - samples_num)*sizeof(float));
sce->ics.ltp.lag = lag;
}
| 21,686 |
FFmpeg | bcd7bf7eeb09a395cc01698842d1b8be9af483fc | 0 | void ff_biweight_h264_pixels4_8_msa(uint8_t *dst, uint8_t *src,
int stride, int height,
int log2_denom, int weight_dst,
int weight_src, int offset)
{
avc_biwgt_4width_msa(src, stride,
dst, stride,
height, log2_denom,
weight_src, weight_dst, offset);
}
| 21,687 |
FFmpeg | e45a2872fafe631c14aee9f79d0963d68c4fc1fd | 0 | void clear_blocks_dcbz128_ppc(DCTELEM *blocks)
{
POWERPC_TBL_DECLARE(powerpc_clear_blocks_dcbz128, 1);
register int misal = ((unsigned long)blocks & 0x0000007f);
register int i = 0;
POWERPC_TBL_START_COUNT(powerpc_clear_blocks_dcbz128, 1);
#if 1
if (misal) {
// we could probably also optimize this case,
// but there's not much point as the machines
// aren't available yet (2003-06-26)
memset(blocks, 0, sizeof(DCTELEM)*6*64);
}
else
for ( ; i < sizeof(DCTELEM)*6*64 ; i += 128) {
asm volatile("dcbzl %0,%1" : : "b" (blocks), "r" (i) : "memory");
}
#else
memset(blocks, 0, sizeof(DCTELEM)*6*64);
#endif
POWERPC_TBL_STOP_COUNT(powerpc_clear_blocks_dcbz128, 1);
}
| 21,688 |
qemu | e62fbc54d459d4cc8e91dc0938383a7f4c13768c | 1 | static void ppc_cpu_class_init(ObjectClass *oc, void *data)
{
PowerPCCPUClass *pcc = POWERPC_CPU_CLASS(oc);
CPUClass *cc = CPU_CLASS(oc);
DeviceClass *dc = DEVICE_CLASS(oc);
pcc->parent_realize = dc->realize;
dc->realize = ppc_cpu_realizefn;
dc->unrealize = ppc_cpu_unrealizefn;
pcc->parent_reset = cc->reset;
cc->reset = ppc_cpu_reset;
cc->class_by_name = ppc_cpu_class_by_name;
cc->do_interrupt = ppc_cpu_do_interrupt;
cc->dump_state = ppc_cpu_dump_state;
cc->dump_statistics = ppc_cpu_dump_statistics;
cc->set_pc = ppc_cpu_set_pc;
cc->gdb_read_register = ppc_cpu_gdb_read_register;
cc->gdb_write_register = ppc_cpu_gdb_write_register;
#ifndef CONFIG_USER_ONLY
cc->get_phys_page_debug = ppc_cpu_get_phys_page_debug;
cc->vmsd = &vmstate_ppc_cpu;
cc->gdb_num_core_regs = 71;
cc->gdb_core_xml_file = "power64-core.xml";
#else
cc->gdb_core_xml_file = "power-core.xml";
} | 21,689 |
qemu | 5f758366c0710d23e43f4d0f83816b98616a13d0 | 1 | static CharDriverState *qmp_chardev_open_socket(ChardevSocket *sock,
Error **errp)
{
SocketAddress *addr = sock->addr;
bool do_nodelay = sock->has_nodelay ? sock->nodelay : false;
bool is_listen = sock->has_server ? sock->server : true;
bool is_telnet = sock->has_telnet ? sock->telnet : false;
bool is_waitconnect = sock->has_wait ? sock->wait : false;
int fd;
if (is_listen) {
fd = socket_listen(addr, errp);
} else {
fd = socket_connect(addr, errp, NULL, NULL);
}
if (error_is_set(errp)) {
return NULL;
}
return qemu_chr_open_socket_fd(fd, do_nodelay, is_listen,
is_telnet, is_waitconnect, errp);
}
| 21,690 |
FFmpeg | 6ca2465556836d20ab9ea5689960fbf1fbda0e23 | 1 | static const char *ass_split_section(ASSSplitContext *ctx, const char *buf)
{
const ASSSection *section = &ass_sections[ctx->current_section];
int *number = &ctx->field_number[ctx->current_section];
int *order = ctx->field_order[ctx->current_section];
int *tmp, i, len;
while (buf && *buf) {
if (buf[0] == '[') {
ctx->current_section = -1;
break;
}
if (buf[0] == ';' || (buf[0] == '!' && buf[1] == ':')) {
/* skip comments */
} else if (section->format_header && !order) {
len = strlen(section->format_header);
if (strncmp(buf, section->format_header, len) || buf[len] != ':')
return NULL;
buf += len + 1;
while (!is_eol(*buf)) {
buf = skip_space(buf);
len = strcspn(buf, ", \r\n");
if (!(tmp = av_realloc(order, (*number + 1) * sizeof(*order))))
return NULL;
order = tmp;
order[*number] = -1;
for (i=0; section->fields[i].name; i++)
if (!strncmp(buf, section->fields[i].name, len)) {
order[*number] = i;
break;
}
(*number)++;
buf = skip_space(buf + len + (buf[len] == ','));
}
ctx->field_order[ctx->current_section] = order;
} else if (section->fields_header) {
len = strlen(section->fields_header);
if (!strncmp(buf, section->fields_header, len) && buf[len] == ':') {
uint8_t *ptr, *struct_ptr = realloc_section_array(ctx);
if (!struct_ptr) return NULL;
buf += len + 1;
for (i=0; !is_eol(*buf) && i < *number; i++) {
int last = i == *number - 1;
buf = skip_space(buf);
len = strcspn(buf, last ? "\r\n" : ",\r\n");
if (order[i] >= 0) {
ASSFieldType type = section->fields[order[i]].type;
ptr = struct_ptr + section->fields[order[i]].offset;
convert_func[type](ptr, buf, len);
}
buf = skip_space(buf + len + !last);
}
}
} else {
len = strcspn(buf, ":\r\n");
if (buf[len] == ':') {
for (i=0; section->fields[i].name; i++)
if (!strncmp(buf, section->fields[i].name, len)) {
ASSFieldType type = section->fields[i].type;
uint8_t *ptr = (uint8_t *)&ctx->ass + section->offset;
ptr += section->fields[i].offset;
buf = skip_space(buf + len + 1);
convert_func[type](ptr, buf, strcspn(buf, "\r\n"));
break;
}
}
}
buf += strcspn(buf, "\n") + 1;
}
return buf;
}
| 21,692 |
FFmpeg | 28bf81c90d36a55cf76e2be913c5215ebebf61f2 | 1 | static inline void yuv2rgbXinC(int16_t *lumFilter, int16_t **lumSrc, int lumFilterSize,
int16_t *chrFilter, int16_t **chrSrc, int chrFilterSize,
uint8_t *dest, int dstW, int dstbpp)
{
if(dstbpp==32)
{
int i;
for(i=0; i<(dstW>>1); i++){
int j;
int Y1=0;
int Y2=0;
int U=0;
int V=0;
int Cb, Cr, Cg;
for(j=0; j<lumFilterSize; j++)
{
Y1 += lumSrc[j][2*i] * lumFilter[j];
Y2 += lumSrc[j][2*i+1] * lumFilter[j];
}
for(j=0; j<chrFilterSize; j++)
{
U += chrSrc[j][i] * chrFilter[j];
V += chrSrc[j][i+2048] * chrFilter[j];
}
Y1= clip_yuvtab_2568[ (Y1>>19) + 256 ];
Y2= clip_yuvtab_2568[ (Y2>>19) + 256 ];
U >>= 19;
V >>= 19;
Cb= clip_yuvtab_40cf[U+ 256];
Cg= clip_yuvtab_1a1e[V+ 256] + yuvtab_0c92[U+ 256];
Cr= clip_yuvtab_3343[V+ 256];
dest[8*i+0]=clip_table[((Y1 + Cb) >>13)];
dest[8*i+1]=clip_table[((Y1 + Cg) >>13)];
dest[8*i+2]=clip_table[((Y1 + Cr) >>13)];
dest[8*i+4]=clip_table[((Y2 + Cb) >>13)];
dest[8*i+5]=clip_table[((Y2 + Cg) >>13)];
dest[8*i+6]=clip_table[((Y2 + Cr) >>13)];
}
}
else if(dstbpp==24)
{
int i;
for(i=0; i<(dstW>>1); i++){
int j;
int Y1=0;
int Y2=0;
int U=0;
int V=0;
int Cb, Cr, Cg;
for(j=0; j<lumFilterSize; j++)
{
Y1 += lumSrc[j][2*i] * lumFilter[j];
Y2 += lumSrc[j][2*i+1] * lumFilter[j];
}
for(j=0; j<chrFilterSize; j++)
{
U += chrSrc[j][i] * chrFilter[j];
V += chrSrc[j][i+2048] * chrFilter[j];
}
Y1= clip_yuvtab_2568[ (Y1>>19) + 256 ];
Y2= clip_yuvtab_2568[ (Y2>>19) + 256 ];
U >>= 19;
V >>= 19;
Cb= clip_yuvtab_40cf[U+ 256];
Cg= clip_yuvtab_1a1e[V+ 256] + yuvtab_0c92[U+ 256];
Cr= clip_yuvtab_3343[V+ 256];
dest[0]=clip_table[((Y1 + Cb) >>13)];
dest[1]=clip_table[((Y1 + Cg) >>13)];
dest[2]=clip_table[((Y1 + Cr) >>13)];
dest[3]=clip_table[((Y2 + Cb) >>13)];
dest[4]=clip_table[((Y2 + Cg) >>13)];
dest[5]=clip_table[((Y2 + Cr) >>13)];
dest+=6;
}
}
else if(dstbpp==16)
{
int i;
for(i=0; i<(dstW>>1); i++){
int j;
int Y1=0;
int Y2=0;
int U=0;
int V=0;
int Cb, Cr, Cg;
for(j=0; j<lumFilterSize; j++)
{
Y1 += lumSrc[j][2*i] * lumFilter[j];
Y2 += lumSrc[j][2*i+1] * lumFilter[j];
}
for(j=0; j<chrFilterSize; j++)
{
U += chrSrc[j][i] * chrFilter[j];
V += chrSrc[j][i+2048] * chrFilter[j];
}
Y1= clip_yuvtab_2568[ (Y1>>19) + 256 ];
Y2= clip_yuvtab_2568[ (Y2>>19) + 256 ];
U >>= 19;
V >>= 19;
Cb= clip_yuvtab_40cf[U+ 256];
Cg= clip_yuvtab_1a1e[V+ 256] + yuvtab_0c92[U+ 256];
Cr= clip_yuvtab_3343[V+ 256];
((uint16_t*)dest)[2*i] =
clip_table16b[(Y1 + Cb) >>13] |
clip_table16g[(Y1 + Cg) >>13] |
clip_table16r[(Y1 + Cr) >>13];
((uint16_t*)dest)[2*i+1] =
clip_table16b[(Y2 + Cb) >>13] |
clip_table16g[(Y2 + Cg) >>13] |
clip_table16r[(Y2 + Cr) >>13];
}
}
else if(dstbpp==15)
{
int i;
for(i=0; i<(dstW>>1); i++){
int j;
int Y1=0;
int Y2=0;
int U=0;
int V=0;
int Cb, Cr, Cg;
for(j=0; j<lumFilterSize; j++)
{
Y1 += lumSrc[j][2*i] * lumFilter[j];
Y2 += lumSrc[j][2*i+1] * lumFilter[j];
}
for(j=0; j<chrFilterSize; j++)
{
U += chrSrc[j][i] * chrFilter[j];
V += chrSrc[j][i+2048] * chrFilter[j];
}
Y1= clip_yuvtab_2568[ (Y1>>19) + 256 ];
Y2= clip_yuvtab_2568[ (Y2>>19) + 256 ];
U >>= 19;
V >>= 19;
Cb= clip_yuvtab_40cf[U+ 256];
Cg= clip_yuvtab_1a1e[V+ 256] + yuvtab_0c92[U+ 256];
Cr= clip_yuvtab_3343[V+ 256];
((uint16_t*)dest)[2*i] =
clip_table15b[(Y1 + Cb) >>13] |
clip_table15g[(Y1 + Cg) >>13] |
clip_table15r[(Y1 + Cr) >>13];
((uint16_t*)dest)[2*i+1] =
clip_table15b[(Y2 + Cb) >>13] |
clip_table15g[(Y2 + Cg) >>13] |
clip_table15r[(Y2 + Cr) >>13];
}
}
}
| 21,693 |
FFmpeg | 56c7e1059ab993da68caa3847372f3fb5e010dc4 | 1 | static int halfpel_interpol(SnowContext *s, uint8_t *halfpel[4][4], AVFrame *frame){
int p,x,y;
for(p=0; p < s->nb_planes; p++){
int is_chroma= !!p;
int w= is_chroma ? s->avctx->width >>s->chroma_h_shift : s->avctx->width;
int h= is_chroma ? s->avctx->height>>s->chroma_v_shift : s->avctx->height;
int ls= frame->linesize[p];
uint8_t *src= frame->data[p];
halfpel[1][p] = (uint8_t*) av_malloc_array(ls, (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls);
halfpel[2][p] = (uint8_t*) av_malloc_array(ls, (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls);
halfpel[3][p] = (uint8_t*) av_malloc_array(ls, (h + 2 * EDGE_WIDTH)) + EDGE_WIDTH * (1 + ls);
if (!halfpel[1][p] || !halfpel[2][p] || !halfpel[3][p])
return AVERROR(ENOMEM);
halfpel[0][p]= src;
for(y=0; y<h; y++){
for(x=0; x<w; x++){
int i= y*ls + x;
halfpel[1][p][i]= (20*(src[i] + src[i+1]) - 5*(src[i-1] + src[i+2]) + (src[i-2] + src[i+3]) + 16 )>>5;
}
}
for(y=0; y<h; y++){
for(x=0; x<w; x++){
int i= y*ls + x;
halfpel[2][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5;
}
}
src= halfpel[1][p];
for(y=0; y<h; y++){
for(x=0; x<w; x++){
int i= y*ls + x;
halfpel[3][p][i]= (20*(src[i] + src[i+ls]) - 5*(src[i-ls] + src[i+2*ls]) + (src[i-2*ls] + src[i+3*ls]) + 16 )>>5;
}
}
//FIXME border!
}
return 0;
}
| 21,695 |
qemu | ea9ebc2ce69198f7aca4b43652824c5d621ac978 | 1 | static void *qpa_thread_in (void *arg)
{
PAVoiceIn *pa = arg;
HWVoiceIn *hw = &pa->hw;
if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
return NULL;
}
for (;;) {
int incr, to_grab, wpos;
for (;;) {
if (pa->done) {
goto exit;
}
if (pa->dead > 0) {
break;
}
if (audio_pt_wait (&pa->pt, AUDIO_FUNC)) {
goto exit;
}
}
incr = to_grab = audio_MIN (pa->dead, conf.samples >> 2);
wpos = pa->wpos;
if (audio_pt_unlock (&pa->pt, AUDIO_FUNC)) {
return NULL;
}
while (to_grab) {
int error;
int chunk = audio_MIN (to_grab, hw->samples - wpos);
void *buf = advance (pa->pcm_buf, wpos);
if (pa_simple_read (pa->s, buf,
chunk << hw->info.shift, &error) < 0) {
qpa_logerr (error, "pa_simple_read failed\n");
return NULL;
}
hw->conv (hw->conv_buf + wpos, buf, chunk);
wpos = (wpos + chunk) % hw->samples;
to_grab -= chunk;
}
if (audio_pt_lock (&pa->pt, AUDIO_FUNC)) {
return NULL;
}
pa->wpos = wpos;
pa->dead -= incr;
pa->incr += incr;
}
exit:
audio_pt_unlock (&pa->pt, AUDIO_FUNC);
return NULL;
}
| 21,696 |
FFmpeg | 073c2593c9f0aa4445a6fc1b9b24e6e52a8cc2c1 | 1 | void ff_h261_encode_init(MpegEncContext *s){
static int done = 0;
if (!done) {
done = 1;
init_rl(&h261_rl_tcoeff);
}
s->min_qcoeff= -127;
s->max_qcoeff= 127;
s->y_dc_scale_table=
s->c_dc_scale_table= ff_mpeg1_dc_scale_table;
}
| 21,697 |
qemu | 5a123b3c1a1d3540d4455772c42c466870d81061 | 1 | static int mmu_translate_region(CPUS390XState *env, target_ulong vaddr,
uint64_t asc, uint64_t entry, int level,
target_ulong *raddr, int *flags, int rw,
bool exc)
{
CPUState *cs = CPU(s390_env_get_cpu(env));
uint64_t origin, offs, new_entry;
const int pchks[4] = {
PGM_SEGMENT_TRANS, PGM_REG_THIRD_TRANS,
PGM_REG_SEC_TRANS, PGM_REG_FIRST_TRANS
};
PTE_DPRINTF("%s: 0x%" PRIx64 "\n", __func__, entry);
origin = entry & _REGION_ENTRY_ORIGIN;
offs = (vaddr >> (17 + 11 * level / 4)) & 0x3ff8;
new_entry = ldq_phys(cs->as, origin + offs);
PTE_DPRINTF("%s: 0x%" PRIx64 " + 0x%" PRIx64 " => 0x%016" PRIx64 "\n",
__func__, origin, offs, new_entry);
if ((new_entry & _REGION_ENTRY_INV) != 0) {
/* XXX different regions have different faults */
DPRINTF("%s: invalid region\n", __func__);
trigger_page_fault(env, vaddr, PGM_SEGMENT_TRANS, asc, rw, exc);
return -1;
}
if ((new_entry & _REGION_ENTRY_TYPE_MASK) != level) {
trigger_page_fault(env, vaddr, PGM_TRANS_SPEC, asc, rw, exc);
return -1;
}
/* XXX region protection flags */
/* *flags &= ~PAGE_WRITE */
if (level == _ASCE_TYPE_SEGMENT) {
return mmu_translate_segment(env, vaddr, asc, new_entry, raddr, flags,
rw, exc);
}
/* Check region table offset and length */
offs = (vaddr >> (28 + 11 * (level - 4) / 4)) & 3;
if (offs < ((new_entry & _REGION_ENTRY_TF) >> 6)
|| offs > (new_entry & _REGION_ENTRY_LENGTH)) {
DPRINTF("%s: invalid offset or len (%lx)\n", __func__, new_entry);
trigger_page_fault(env, vaddr, pchks[level / 4 - 1], asc, rw, exc);
return -1;
}
/* yet another region */
return mmu_translate_region(env, vaddr, asc, new_entry, level - 4,
raddr, flags, rw, exc);
}
| 21,698 |
FFmpeg | ad1c50255735c20bd86572d3e8b3c88a5ca6c8f1 | 1 | static int pcx_encode_frame(AVCodecContext *avctx,
unsigned char *buf, int buf_size, void *data)
{
PCXContext *s = avctx->priv_data;
AVFrame *const pict = &s->picture;
const uint8_t *buf_start = buf;
const uint8_t *buf_end = buf + buf_size;
int bpp, nplanes, i, y, line_bytes, written;
const uint32_t *pal = NULL;
const uint8_t *src;
*pict = *(AVFrame *)data;
pict->pict_type = AV_PICTURE_TYPE_I;
pict->key_frame = 1;
if (avctx->width > 65535 || avctx->height > 65535) {
av_log(avctx, AV_LOG_ERROR, "image dimensions do not fit in 16 bits\n");
return -1;
}
switch (avctx->pix_fmt) {
case PIX_FMT_RGB24:
bpp = 8;
nplanes = 3;
break;
case PIX_FMT_RGB8:
case PIX_FMT_BGR8:
case PIX_FMT_RGB4_BYTE:
case PIX_FMT_BGR4_BYTE:
case PIX_FMT_GRAY8:
bpp = 8;
nplanes = 1;
ff_set_systematic_pal2(palette256, avctx->pix_fmt);
pal = palette256;
break;
case PIX_FMT_PAL8:
bpp = 8;
nplanes = 1;
pal = (uint32_t *)pict->data[1];
break;
case PIX_FMT_MONOBLACK:
bpp = 1;
nplanes = 1;
pal = monoblack_pal;
break;
default:
av_log(avctx, AV_LOG_ERROR, "unsupported pixfmt\n");
return -1;
}
line_bytes = (avctx->width * bpp + 7) >> 3;
line_bytes = (line_bytes + 1) & ~1;
bytestream_put_byte(&buf, 10); // manufacturer
bytestream_put_byte(&buf, 5); // version
bytestream_put_byte(&buf, 1); // encoding
bytestream_put_byte(&buf, bpp); // bits per pixel per plane
bytestream_put_le16(&buf, 0); // x min
bytestream_put_le16(&buf, 0); // y min
bytestream_put_le16(&buf, avctx->width - 1); // x max
bytestream_put_le16(&buf, avctx->height - 1); // y max
bytestream_put_le16(&buf, 0); // horizontal DPI
bytestream_put_le16(&buf, 0); // vertical DPI
for (i = 0; i < 16; i++)
bytestream_put_be24(&buf, pal ? pal[i] : 0);// palette (<= 16 color only)
bytestream_put_byte(&buf, 0); // reserved
bytestream_put_byte(&buf, nplanes); // number of planes
bytestream_put_le16(&buf, line_bytes); // scanline plane size in bytes
while (buf - buf_start < 128)
*buf++= 0;
src = pict->data[0];
for (y = 0; y < avctx->height; y++) {
if ((written = pcx_rle_encode(buf, buf_end - buf,
src, line_bytes, nplanes)) < 0) {
av_log(avctx, AV_LOG_ERROR, "buffer too small\n");
return -1;
}
buf += written;
src += pict->linesize[0];
}
if (nplanes == 1 && bpp == 8) {
if (buf_end - buf < 257) {
av_log(avctx, AV_LOG_ERROR, "buffer too small\n");
return -1;
}
bytestream_put_byte(&buf, 12);
for (i = 0; i < 256; i++) {
bytestream_put_be24(&buf, pal[i]);
}
}
return buf - buf_start;
} | 21,699 |
qemu | 332cc7e9b39ddb2feacb4c71dcd18c3e5b0c3147 | 1 | static void GCC_FMT_ATTR(2, 3) qtest_send(CharDriverState *chr,
const char *fmt, ...)
{
va_list ap;
char buffer[1024];
size_t len;
va_start(ap, fmt);
len = vsnprintf(buffer, sizeof(buffer), fmt, ap);
va_end(ap);
qemu_chr_fe_write_all(chr, (uint8_t *)buffer, len);
if (qtest_log_fp && qtest_opened) {
fprintf(qtest_log_fp, "%s", buffer);
}
}
| 21,700 |
FFmpeg | a392bf657015c9a79a5a13adfbfb15086c1943b9 | 1 | static int dxtory_decode_v1_rgb(AVCodecContext *avctx, AVFrame *pic,
const uint8_t *src, int src_size,
int id, int bpp)
{
int h;
uint8_t *dst;
int ret;
if (src_size < avctx->width * avctx->height * bpp) {
av_log(avctx, AV_LOG_ERROR, "packet too small\n");
return AVERROR_INVALIDDATA;
}
avctx->pix_fmt = id;
if ((ret = ff_get_buffer(avctx, pic, 0)) < 0)
return ret;
dst = pic->data[0];
for (h = 0; h < avctx->height; h++) {
memcpy(dst, src, avctx->width * bpp);
src += avctx->width * bpp;
dst += pic->linesize[0];
}
return 0;
}
| 21,701 |
qemu | 3bf1817079bb0d80c0d8a86a7c7dd0bfe90eb82e | 1 | void vbe_ioport_write_data(void *opaque, uint32_t addr, uint32_t val)
{
VGACommonState *s = opaque;
if (s->vbe_index <= VBE_DISPI_INDEX_NB) {
#ifdef DEBUG_BOCHS_VBE
printf("VBE: write index=0x%x val=0x%x\n", s->vbe_index, val);
#endif
switch(s->vbe_index) {
case VBE_DISPI_INDEX_ID:
if (val == VBE_DISPI_ID0 ||
val == VBE_DISPI_ID1 ||
val == VBE_DISPI_ID2 ||
val == VBE_DISPI_ID3 ||
val == VBE_DISPI_ID4) {
s->vbe_regs[s->vbe_index] = val;
}
break;
case VBE_DISPI_INDEX_XRES:
case VBE_DISPI_INDEX_YRES:
case VBE_DISPI_INDEX_BPP:
case VBE_DISPI_INDEX_VIRT_WIDTH:
case VBE_DISPI_INDEX_X_OFFSET:
case VBE_DISPI_INDEX_Y_OFFSET:
s->vbe_regs[s->vbe_index] = val;
vbe_fixup_regs(s);
break;
case VBE_DISPI_INDEX_BANK:
if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) {
val &= (s->vbe_bank_mask >> 2);
} else {
val &= s->vbe_bank_mask;
}
s->vbe_regs[s->vbe_index] = val;
s->bank_offset = (val << 16);
vga_update_memory_access(s);
break;
case VBE_DISPI_INDEX_ENABLE:
if ((val & VBE_DISPI_ENABLED) &&
!(s->vbe_regs[VBE_DISPI_INDEX_ENABLE] & VBE_DISPI_ENABLED)) {
int h, shift_control;
s->vbe_regs[VBE_DISPI_INDEX_VIRT_WIDTH] = 0;
s->vbe_regs[VBE_DISPI_INDEX_X_OFFSET] = 0;
s->vbe_regs[VBE_DISPI_INDEX_Y_OFFSET] = 0;
s->vbe_regs[VBE_DISPI_INDEX_ENABLE] |= VBE_DISPI_ENABLED;
vbe_fixup_regs(s);
/* clear the screen */
if (!(val & VBE_DISPI_NOCLEARMEM)) {
memset(s->vram_ptr, 0,
s->vbe_regs[VBE_DISPI_INDEX_YRES] * s->vbe_line_offset);
}
/* we initialize the VGA graphic mode */
/* graphic mode + memory map 1 */
s->gr[VGA_GFX_MISC] = (s->gr[VGA_GFX_MISC] & ~0x0c) | 0x04 |
VGA_GR06_GRAPHICS_MODE;
s->cr[VGA_CRTC_MODE] |= 3; /* no CGA modes */
s->cr[VGA_CRTC_OFFSET] = s->vbe_line_offset >> 3;
/* width */
s->cr[VGA_CRTC_H_DISP] =
(s->vbe_regs[VBE_DISPI_INDEX_XRES] >> 3) - 1;
/* height (only meaningful if < 1024) */
h = s->vbe_regs[VBE_DISPI_INDEX_YRES] - 1;
s->cr[VGA_CRTC_V_DISP_END] = h;
s->cr[VGA_CRTC_OVERFLOW] = (s->cr[VGA_CRTC_OVERFLOW] & ~0x42) |
((h >> 7) & 0x02) | ((h >> 3) & 0x40);
/* line compare to 1023 */
s->cr[VGA_CRTC_LINE_COMPARE] = 0xff;
s->cr[VGA_CRTC_OVERFLOW] |= 0x10;
s->cr[VGA_CRTC_MAX_SCAN] |= 0x40;
if (s->vbe_regs[VBE_DISPI_INDEX_BPP] == 4) {
shift_control = 0;
s->sr[VGA_SEQ_CLOCK_MODE] &= ~8; /* no double line */
} else {
shift_control = 2;
/* set chain 4 mode */
s->sr[VGA_SEQ_MEMORY_MODE] |= VGA_SR04_CHN_4M;
/* activate all planes */
s->sr[VGA_SEQ_PLANE_WRITE] |= VGA_SR02_ALL_PLANES;
}
s->gr[VGA_GFX_MODE] = (s->gr[VGA_GFX_MODE] & ~0x60) |
(shift_control << 5);
s->cr[VGA_CRTC_MAX_SCAN] &= ~0x9f; /* no double scan */
} else {
s->bank_offset = 0;
}
s->dac_8bit = (val & VBE_DISPI_8BIT_DAC) > 0;
s->vbe_regs[s->vbe_index] = val;
vga_update_memory_access(s);
break;
default:
break;
}
}
}
| 21,702 |
qemu | f8ed85ac992c48814d916d5df4d44f9a971c5de4 | 1 | static void vexpress_common_init(MachineState *machine)
{
VexpressMachineState *vms = VEXPRESS_MACHINE(machine);
VexpressMachineClass *vmc = VEXPRESS_MACHINE_GET_CLASS(machine);
VEDBoardInfo *daughterboard = vmc->daughterboard;
DeviceState *dev, *sysctl, *pl041;
qemu_irq pic[64];
uint32_t sys_id;
DriveInfo *dinfo;
pflash_t *pflash0;
ram_addr_t vram_size, sram_size;
MemoryRegion *sysmem = get_system_memory();
MemoryRegion *vram = g_new(MemoryRegion, 1);
MemoryRegion *sram = g_new(MemoryRegion, 1);
MemoryRegion *flashalias = g_new(MemoryRegion, 1);
MemoryRegion *flash0mem;
const hwaddr *map = daughterboard->motherboard_map;
int i;
daughterboard->init(vms, machine->ram_size, machine->cpu_model, pic);
/*
* If a bios file was provided, attempt to map it into memory
*/
if (bios_name) {
char *fn;
int image_size;
if (drive_get(IF_PFLASH, 0, 0)) {
error_report("The contents of the first flash device may be "
"specified with -bios or with -drive if=pflash... "
"but you cannot use both options at once");
exit(1);
}
fn = qemu_find_file(QEMU_FILE_TYPE_BIOS, bios_name);
if (!fn) {
error_report("Could not find ROM image '%s'", bios_name);
exit(1);
}
image_size = load_image_targphys(fn, map[VE_NORFLASH0],
VEXPRESS_FLASH_SIZE);
g_free(fn);
if (image_size < 0) {
error_report("Could not load ROM image '%s'", bios_name);
exit(1);
}
}
/* Motherboard peripherals: the wiring is the same but the
* addresses vary between the legacy and A-Series memory maps.
*/
sys_id = 0x1190f500;
sysctl = qdev_create(NULL, "realview_sysctl");
qdev_prop_set_uint32(sysctl, "sys_id", sys_id);
qdev_prop_set_uint32(sysctl, "proc_id", daughterboard->proc_id);
qdev_prop_set_uint32(sysctl, "len-db-voltage",
daughterboard->num_voltage_sensors);
for (i = 0; i < daughterboard->num_voltage_sensors; i++) {
char *propname = g_strdup_printf("db-voltage[%d]", i);
qdev_prop_set_uint32(sysctl, propname, daughterboard->voltages[i]);
g_free(propname);
}
qdev_prop_set_uint32(sysctl, "len-db-clock",
daughterboard->num_clocks);
for (i = 0; i < daughterboard->num_clocks; i++) {
char *propname = g_strdup_printf("db-clock[%d]", i);
qdev_prop_set_uint32(sysctl, propname, daughterboard->clocks[i]);
g_free(propname);
}
qdev_init_nofail(sysctl);
sysbus_mmio_map(SYS_BUS_DEVICE(sysctl), 0, map[VE_SYSREGS]);
/* VE_SP810: not modelled */
/* VE_SERIALPCI: not modelled */
pl041 = qdev_create(NULL, "pl041");
qdev_prop_set_uint32(pl041, "nc_fifo_depth", 512);
qdev_init_nofail(pl041);
sysbus_mmio_map(SYS_BUS_DEVICE(pl041), 0, map[VE_PL041]);
sysbus_connect_irq(SYS_BUS_DEVICE(pl041), 0, pic[11]);
dev = sysbus_create_varargs("pl181", map[VE_MMCI], pic[9], pic[10], NULL);
/* Wire up MMC card detect and read-only signals */
qdev_connect_gpio_out(dev, 0,
qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_WPROT));
qdev_connect_gpio_out(dev, 1,
qdev_get_gpio_in(sysctl, ARM_SYSCTL_GPIO_MMC_CARDIN));
sysbus_create_simple("pl050_keyboard", map[VE_KMI0], pic[12]);
sysbus_create_simple("pl050_mouse", map[VE_KMI1], pic[13]);
sysbus_create_simple("pl011", map[VE_UART0], pic[5]);
sysbus_create_simple("pl011", map[VE_UART1], pic[6]);
sysbus_create_simple("pl011", map[VE_UART2], pic[7]);
sysbus_create_simple("pl011", map[VE_UART3], pic[8]);
sysbus_create_simple("sp804", map[VE_TIMER01], pic[2]);
sysbus_create_simple("sp804", map[VE_TIMER23], pic[3]);
/* VE_SERIALDVI: not modelled */
sysbus_create_simple("pl031", map[VE_RTC], pic[4]); /* RTC */
/* VE_COMPACTFLASH: not modelled */
sysbus_create_simple("pl111", map[VE_CLCD], pic[14]);
dinfo = drive_get_next(IF_PFLASH);
pflash0 = ve_pflash_cfi01_register(map[VE_NORFLASH0], "vexpress.flash0",
dinfo);
if (!pflash0) {
fprintf(stderr, "vexpress: error registering flash 0.\n");
exit(1);
}
if (map[VE_NORFLASHALIAS] != -1) {
/* Map flash 0 as an alias into low memory */
flash0mem = sysbus_mmio_get_region(SYS_BUS_DEVICE(pflash0), 0);
memory_region_init_alias(flashalias, NULL, "vexpress.flashalias",
flash0mem, 0, VEXPRESS_FLASH_SIZE);
memory_region_add_subregion(sysmem, map[VE_NORFLASHALIAS], flashalias);
}
dinfo = drive_get_next(IF_PFLASH);
if (!ve_pflash_cfi01_register(map[VE_NORFLASH1], "vexpress.flash1",
dinfo)) {
fprintf(stderr, "vexpress: error registering flash 1.\n");
exit(1);
}
sram_size = 0x2000000;
memory_region_init_ram(sram, NULL, "vexpress.sram", sram_size,
&error_abort);
vmstate_register_ram_global(sram);
memory_region_add_subregion(sysmem, map[VE_SRAM], sram);
vram_size = 0x800000;
memory_region_init_ram(vram, NULL, "vexpress.vram", vram_size,
&error_abort);
vmstate_register_ram_global(vram);
memory_region_add_subregion(sysmem, map[VE_VIDEORAM], vram);
/* 0x4e000000 LAN9118 Ethernet */
if (nd_table[0].used) {
lan9118_init(&nd_table[0], map[VE_ETHERNET], pic[15]);
}
/* VE_USB: not modelled */
/* VE_DAPROM: not modelled */
/* Create mmio transports, so the user can create virtio backends
* (which will be automatically plugged in to the transports). If
* no backend is created the transport will just sit harmlessly idle.
*/
for (i = 0; i < NUM_VIRTIO_TRANSPORTS; i++) {
sysbus_create_simple("virtio-mmio", map[VE_VIRTIO] + 0x200 * i,
pic[40 + i]);
}
daughterboard->bootinfo.ram_size = machine->ram_size;
daughterboard->bootinfo.kernel_filename = machine->kernel_filename;
daughterboard->bootinfo.kernel_cmdline = machine->kernel_cmdline;
daughterboard->bootinfo.initrd_filename = machine->initrd_filename;
daughterboard->bootinfo.nb_cpus = smp_cpus;
daughterboard->bootinfo.board_id = VEXPRESS_BOARD_ID;
daughterboard->bootinfo.loader_start = daughterboard->loader_start;
daughterboard->bootinfo.smp_loader_start = map[VE_SRAM];
daughterboard->bootinfo.smp_bootreg_addr = map[VE_SYSREGS] + 0x30;
daughterboard->bootinfo.gic_cpu_if_addr = daughterboard->gic_cpu_if_addr;
daughterboard->bootinfo.modify_dtb = vexpress_modify_dtb;
/* Indicate that when booting Linux we should be in secure state */
daughterboard->bootinfo.secure_boot = true;
arm_load_kernel(ARM_CPU(first_cpu), &daughterboard->bootinfo);
}
| 21,703 |
qemu | 3e305e4a4752f70c0b5c3cf5b43ec957881714f7 | 1 | static int vnc_set_gnutls_priority(gnutls_session_t s, int x509)
{
const char *priority = x509 ? "NORMAL" : "NORMAL:+ANON-DH";
int rc;
rc = gnutls_priority_set_direct(s, priority, NULL);
if (rc != GNUTLS_E_SUCCESS) {
return -1;
}
return 0;
}
| 21,705 |
qemu | a5b39cd3f647eaaaef5b648beda5cb2f387418c0 | 1 | static void vfio_platform_eoi(VFIODevice *vbasedev)
{
VFIOINTp *intp;
VFIOPlatformDevice *vdev =
container_of(vbasedev, VFIOPlatformDevice, vbasedev);
qemu_mutex_lock(&vdev->intp_mutex);
QLIST_FOREACH(intp, &vdev->intp_list, next) {
if (intp->state == VFIO_IRQ_ACTIVE) {
trace_vfio_platform_eoi(intp->pin,
event_notifier_get_fd(intp->interrupt));
intp->state = VFIO_IRQ_INACTIVE;
/* deassert the virtual IRQ */
qemu_set_irq(intp->qemuirq, 0);
if (intp->flags & VFIO_IRQ_INFO_AUTOMASKED) {
/* unmasks the physical level-sensitive IRQ */
vfio_unmask_single_irqindex(vbasedev, intp->pin);
}
/* a single IRQ can be active at a time */
break;
}
}
/* in case there are pending IRQs, handle the first one */
if (!QSIMPLEQ_EMPTY(&vdev->pending_intp_queue)) {
intp = QSIMPLEQ_FIRST(&vdev->pending_intp_queue);
vfio_intp_inject_pending_lockheld(intp);
QSIMPLEQ_REMOVE_HEAD(&vdev->pending_intp_queue, pqnext);
}
qemu_mutex_unlock(&vdev->intp_mutex);
}
| 21,706 |
qemu | a703d3aef5991b72a5a45880e7491232b8032f09 | 1 | static void qxl_enter_vga_mode(PCIQXLDevice *d)
{
if (d->mode == QXL_MODE_VGA) {
return;
}
trace_qxl_enter_vga_mode(d->id);
#if SPICE_SERVER_VERSION >= 0x000c03 /* release 0.12.3 */
spice_qxl_driver_unload(&d->ssd.qxl);
#endif
graphic_console_set_hwops(d->ssd.dcl.con, d->vga.hw_ops, &d->vga);
update_displaychangelistener(&d->ssd.dcl, GUI_REFRESH_INTERVAL_DEFAULT);
qemu_spice_create_host_primary(&d->ssd);
d->mode = QXL_MODE_VGA;
vga_dirty_log_start(&d->vga);
graphic_hw_update(d->vga.con);
} | 21,707 |
FFmpeg | 5c720657c23afd798ae0db7c7362eb859a89ab3d | 1 | static int mov_read_smi(MOVContext *c, AVIOContext *pb, MOVAtom atom)
{
AVStream *st;
if (c->fc->nb_streams < 1)
return 0;
st = c->fc->streams[c->fc->nb_streams-1];
if ((uint64_t)atom.size > (1<<30))
return AVERROR_INVALIDDATA;
// currently SVQ3 decoder expect full STSD header - so let's fake it
// this should be fixed and just SMI header should be passed
av_free(st->codec->extradata);
st->codec->extradata = av_mallocz(atom.size + 0x5a + FF_INPUT_BUFFER_PADDING_SIZE);
if (!st->codec->extradata)
return AVERROR(ENOMEM);
st->codec->extradata_size = 0x5a + atom.size;
memcpy(st->codec->extradata, "SVQ3", 4); // fake
avio_read(pb, st->codec->extradata + 0x5a, atom.size);
av_log(c->fc, AV_LOG_TRACE, "Reading SMI %"PRId64" %s\n", atom.size, st->codec->extradata + 0x5a);
return 0;
}
| 21,709 |
FFmpeg | 37e0b997a8d6695abb0dd4bac886a86104d68a3c | 0 | AVFilterFormats *avfilter_merge_formats(AVFilterFormats *a, AVFilterFormats *b)
{
AVFilterFormats *ret;
unsigned i, j, k = 0;
ret = av_mallocz(sizeof(AVFilterFormats));
/* merge list of formats */
ret->formats = av_malloc(sizeof(*ret->formats) * FFMIN(a->format_count,
b->format_count));
for(i = 0; i < a->format_count; i ++)
for(j = 0; j < b->format_count; j ++)
if(a->formats[i] == b->formats[j])
ret->formats[k++] = a->formats[i];
/* check that there was at least one common format */
if(!(ret->format_count = k)) {
av_free(ret->formats);
av_free(ret);
return NULL;
}
/* merge and update all the references */
ret->refs = av_malloc(sizeof(AVFilterFormats**)*(a->refcount+b->refcount));
for(i = 0; i < a->refcount; i ++) {
ret->refs[ret->refcount] = a->refs[i];
*ret->refs[ret->refcount++] = ret;
}
for(i = 0; i < b->refcount; i ++) {
ret->refs[ret->refcount] = b->refs[i];
*ret->refs[ret->refcount++] = ret;
}
av_free(a->refs);
av_free(a->formats);
av_free(a);
av_free(b->refs);
av_free(b->formats);
av_free(b);
return ret;
}
| 21,710 |
FFmpeg | d8edf1b515ae9fbcea2103305241d130c16e1003 | 0 | static void rv40_v_loop_filter(uint8_t *src, int stride, int dmode,
int lim_q1, int lim_p1,
int alpha, int beta, int beta2, int chroma, int edge){
rv40_adaptive_loop_filter(src, 1, stride, dmode, lim_q1, lim_p1,
alpha, beta, beta2, chroma, edge);
}
| 21,711 |
FFmpeg | a6191d098a03f94685ae4c072bfdf10afcd86223 | 0 | static void lfe_downsample(DCAEncContext *c, const int32_t *input)
{
/* FIXME: make 128x LFE downsampling possible */
const int lfech = lfe_index[c->channel_config];
int i, j, lfes;
int32_t hist[512];
int32_t accum;
int hist_start = 0;
for (i = 0; i < 512; i++)
hist[i] = c->history[i][c->channels - 1];
for (lfes = 0; lfes < DCA_LFE_SAMPLES; lfes++) {
/* Calculate the convolution */
accum = 0;
for (i = hist_start, j = 0; i < 512; i++, j++)
accum += mul32(hist[i], lfe_fir_64i[j]);
for (i = 0; i < hist_start; i++, j++)
accum += mul32(hist[i], lfe_fir_64i[j]);
c->downsampled_lfe[lfes] = accum;
/* Copy in 64 new samples from input */
for (i = 0; i < 64; i++)
hist[i + hist_start] = input[(lfes * 64 + i) * c->channels + lfech];
hist_start = (hist_start + 64) & 511;
}
}
| 21,712 |
FFmpeg | 274aa1d02f12aba969b280139cf79907134dcd89 | 0 | static int indeo3_decode_frame(AVCodecContext *avctx,
void *data, int *data_size,
const uint8_t *buf, int buf_size)
{
Indeo3DecodeContext *s=avctx->priv_data;
uint8_t *src, *dest;
int y;
iv_decode_frame(s, buf, buf_size);
if(s->frame.data[0])
avctx->release_buffer(avctx, &s->frame);
s->frame.reference = 0;
if(avctx->get_buffer(avctx, &s->frame) < 0) {
av_log(s->avctx, AV_LOG_ERROR, "get_buffer() failed\n");
return -1;
}
src = s->cur_frame->Ybuf;
dest = s->frame.data[0];
for (y = 0; y < s->height; y++) {
memcpy(dest, src, s->cur_frame->y_w);
src += s->cur_frame->y_w;
dest += s->frame.linesize[0];
}
if (!(s->avctx->flags & CODEC_FLAG_GRAY))
{
src = s->cur_frame->Ubuf;
dest = s->frame.data[1];
for (y = 0; y < s->height / 4; y++) {
memcpy(dest, src, s->cur_frame->uv_w);
src += s->cur_frame->uv_w;
dest += s->frame.linesize[1];
}
src = s->cur_frame->Vbuf;
dest = s->frame.data[2];
for (y = 0; y < s->height / 4; y++) {
memcpy(dest, src, s->cur_frame->uv_w);
src += s->cur_frame->uv_w;
dest += s->frame.linesize[2];
}
}
*data_size=sizeof(AVFrame);
*(AVFrame*)data= s->frame;
return buf_size;
}
| 21,713 |
FFmpeg | 3ebc7e04dea6072400d91c1c90eb3911754cee06 | 0 | static void filter_mb_edgech( H264Context *h, uint8_t *pix, int stride, int bS[4], int qp ) {
int i, d;
const int index_a = clip( qp + h->slice_alpha_c0_offset, 0, 51 );
const int alpha = alpha_table[index_a];
const int beta = beta_table[clip( qp + h->slice_beta_offset, 0, 51 )];
const int pix_next = stride;
for( i = 0; i < 4; i++ )
{
if( bS[i] == 0 ) {
pix += 2;
continue;
}
/* 2px edge length (see deblocking_filter_edgecv) */
for( d = 0; d < 2; d++ ) {
const uint8_t p0 = pix[-1*pix_next];
const uint8_t p1 = pix[-2*pix_next];
const uint8_t q0 = pix[0];
const uint8_t q1 = pix[1*pix_next];
if( abs( p0 - q0 ) >= alpha ||
abs( p1 - p0 ) >= beta ||
abs( q1 - q0 ) >= beta ) {
pix++;
continue;
}
if( bS[i] < 4 ) {
int tc = tc0_table[index_a][bS[i] - 1] + 1;
int i_delta = clip( (((q0 - p0 ) << 2) + (p1 - q1) + 4) >> 3, -tc, tc );
pix[-pix_next] = clip( p0 + i_delta, 0, 255 ); /* p0' */
pix[0] = clip( q0 - i_delta, 0, 255 ); /* q0' */
}
else
{
pix[-pix_next] = ( 2*p1 + p0 + q1 + 2 ) >> 2; /* p0' */
pix[0] = ( 2*q1 + q0 + p1 + 2 ) >> 2; /* q0' */
}
pix++;
}
}
}
| 21,714 |
qemu | c2b38b277a7882a592f4f2ec955084b2b756daaa | 0 | void aio_context_unref(AioContext *ctx)
{
g_source_unref(&ctx->source);
}
| 21,715 |
qemu | 2399d4e7cec22ecf1c51062d2ebfd45220dbaace | 0 | static void handle_hint(DisasContext *s, uint32_t insn,
unsigned int op1, unsigned int op2, unsigned int crm)
{
unsigned int selector = crm << 3 | op2;
if (op1 != 3) {
unallocated_encoding(s);
return;
}
switch (selector) {
case 0: /* NOP */
return;
case 3: /* WFI */
s->base.is_jmp = DISAS_WFI;
return;
case 1: /* YIELD */
if (!parallel_cpus) {
s->base.is_jmp = DISAS_YIELD;
}
return;
case 2: /* WFE */
if (!parallel_cpus) {
s->base.is_jmp = DISAS_WFE;
}
return;
case 4: /* SEV */
case 5: /* SEVL */
/* we treat all as NOP at least for now */
return;
default:
/* default specified as NOP equivalent */
return;
}
}
| 21,716 |
FFmpeg | c919e1ca2ecfc47d796382973ba0e48b8f6f92a2 | 0 | static int msrle_decode_frame(AVCodecContext *avctx,
void *data, int *got_frame,
AVPacket *avpkt)
{
const uint8_t *buf = avpkt->data;
int buf_size = avpkt->size;
MsrleContext *s = avctx->priv_data;
int istride = FFALIGN(avctx->width*avctx->bits_per_coded_sample, 32) / 8;
int ret;
s->buf = buf;
s->size = buf_size;
if ((ret = ff_reget_buffer(avctx, s->frame)) < 0)
return ret;
if (avctx->bits_per_coded_sample > 1 && avctx->bits_per_coded_sample <= 8) {
const uint8_t *pal = av_packet_get_side_data(avpkt, AV_PKT_DATA_PALETTE, NULL);
if (pal) {
s->frame->palette_has_changed = 1;
memcpy(s->pal, pal, AVPALETTE_SIZE);
}
/* make the palette available */
memcpy(s->frame->data[1], s->pal, AVPALETTE_SIZE);
}
/* FIXME how to correctly detect RLE ??? */
if (avctx->height * istride == avpkt->size) { /* assume uncompressed */
int linesize = (avctx->width * avctx->bits_per_coded_sample + 7) / 8;
uint8_t *ptr = s->frame->data[0];
uint8_t *buf = avpkt->data + (avctx->height-1)*istride;
int i, j;
for (i = 0; i < avctx->height; i++) {
if (avctx->bits_per_coded_sample == 4) {
for (j = 0; j < avctx->width - 1; j += 2) {
ptr[j+0] = buf[j>>1] >> 4;
ptr[j+1] = buf[j>>1] & 0xF;
}
if (avctx->width & 1)
ptr[j+0] = buf[j>>1] >> 4;
} else {
memcpy(ptr, buf, linesize);
}
buf -= istride;
ptr += s->frame->linesize[0];
}
} else {
bytestream2_init(&s->gb, buf, buf_size);
ff_msrle_decode(avctx, (AVPicture*)s->frame, avctx->bits_per_coded_sample, &s->gb);
}
if ((ret = av_frame_ref(data, s->frame)) < 0)
return ret;
*got_frame = 1;
/* report that the buffer was completely consumed */
return buf_size;
}
| 21,717 |
qemu | b3ceef24f4fee8d5ed96b8c4a5d3e80c0a651f0b | 0 | static void tcx_update_display(void *opaque)
{
TCXState *ts = opaque;
ram_addr_t page, page_min, page_max;
int y, y_start, dd, ds;
uint8_t *d, *s;
void (*f)(TCXState *s1, uint8_t *d, const uint8_t *s, int width);
if (ts->ds->depth == 0)
return;
page = ts->vram_offset;
y_start = -1;
page_min = 0xffffffff;
page_max = 0;
d = ts->ds->data;
s = ts->vram;
dd = ts->ds->linesize;
ds = 1024;
switch (ts->ds->depth) {
case 32:
f = tcx_draw_line32;
break;
case 15:
case 16:
f = tcx_draw_line16;
break;
default:
case 8:
f = tcx_draw_line8;
break;
case 0:
return;
}
for(y = 0; y < ts->height; y += 4, page += TARGET_PAGE_SIZE) {
if (cpu_physical_memory_get_dirty(page, VGA_DIRTY_FLAG)) {
if (y_start < 0)
y_start = y;
if (page < page_min)
page_min = page;
if (page > page_max)
page_max = page;
f(ts, d, s, ts->width);
d += dd;
s += ds;
f(ts, d, s, ts->width);
d += dd;
s += ds;
f(ts, d, s, ts->width);
d += dd;
s += ds;
f(ts, d, s, ts->width);
d += dd;
s += ds;
} else {
if (y_start >= 0) {
/* flush to display */
dpy_update(ts->ds, 0, y_start,
ts->width, y - y_start);
y_start = -1;
}
d += dd * 4;
s += ds * 4;
}
}
if (y_start >= 0) {
/* flush to display */
dpy_update(ts->ds, 0, y_start,
ts->width, y - y_start);
}
/* reset modified pages */
if (page_min <= page_max) {
cpu_physical_memory_reset_dirty(page_min, page_max + TARGET_PAGE_SIZE,
VGA_DIRTY_FLAG);
}
}
| 21,718 |
qemu | 245f7b51c0ea04fb2224b1127430a096c91aee70 | 0 | int vnc_zlib_send_framebuffer_update(VncState *vs, int x, int y, int w, int h)
{
int old_offset, new_offset, bytes_written;
vnc_framebuffer_update(vs, x, y, w, h, VNC_ENCODING_ZLIB);
// remember where we put in the follow-up size
old_offset = vs->output.offset;
vnc_write_s32(vs, 0);
// compress the stream
vnc_zlib_start(vs);
vnc_raw_send_framebuffer_update(vs, x, y, w, h);
bytes_written = vnc_zlib_stop(vs);
if (bytes_written == -1)
return 0;
// hack in the size
new_offset = vs->output.offset;
vs->output.offset = old_offset;
vnc_write_u32(vs, bytes_written);
vs->output.offset = new_offset;
return 1;
}
| 21,719 |
qemu | 90e496386fe7fd32c189561f846b7913f95b8cf4 | 0 | static TCGv_i64 read_fp_dreg(DisasContext *s, int reg)
{
TCGv_i64 v = tcg_temp_new_i64();
tcg_gen_ld_i64(v, cpu_env, fp_reg_offset(reg, MO_64));
return v;
}
| 21,720 |
qemu | 2e4109de8e589beecd69996ee14f24021b991c0d | 0 | static int vfio_connect_container(VFIOGroup *group, AddressSpace *as)
{
VFIOContainer *container;
int ret, fd;
VFIOAddressSpace *space;
space = vfio_get_address_space(as);
QLIST_FOREACH(container, &space->containers, next) {
if (!ioctl(group->fd, VFIO_GROUP_SET_CONTAINER, &container->fd)) {
group->container = container;
QLIST_INSERT_HEAD(&container->group_list, group, container_next);
return 0;
}
}
fd = qemu_open("/dev/vfio/vfio", O_RDWR);
if (fd < 0) {
error_report("vfio: failed to open /dev/vfio/vfio: %m");
ret = -errno;
goto put_space_exit;
}
ret = ioctl(fd, VFIO_GET_API_VERSION);
if (ret != VFIO_API_VERSION) {
error_report("vfio: supported vfio version: %d, "
"reported version: %d", VFIO_API_VERSION, ret);
ret = -EINVAL;
goto close_fd_exit;
}
container = g_malloc0(sizeof(*container));
container->space = space;
container->fd = fd;
if (ioctl(fd, VFIO_CHECK_EXTENSION, VFIO_TYPE1_IOMMU) ||
ioctl(fd, VFIO_CHECK_EXTENSION, VFIO_TYPE1v2_IOMMU)) {
bool v2 = !!ioctl(fd, VFIO_CHECK_EXTENSION, VFIO_TYPE1v2_IOMMU);
struct vfio_iommu_type1_info info;
ret = ioctl(group->fd, VFIO_GROUP_SET_CONTAINER, &fd);
if (ret) {
error_report("vfio: failed to set group container: %m");
ret = -errno;
goto free_container_exit;
}
container->iommu_type = v2 ? VFIO_TYPE1v2_IOMMU : VFIO_TYPE1_IOMMU;
ret = ioctl(fd, VFIO_SET_IOMMU, container->iommu_type);
if (ret) {
error_report("vfio: failed to set iommu for container: %m");
ret = -errno;
goto free_container_exit;
}
/*
* FIXME: This assumes that a Type1 IOMMU can map any 64-bit
* IOVA whatsoever. That's not actually true, but the current
* kernel interface doesn't tell us what it can map, and the
* existing Type1 IOMMUs generally support any IOVA we're
* going to actually try in practice.
*/
info.argsz = sizeof(info);
ret = ioctl(fd, VFIO_IOMMU_GET_INFO, &info);
/* Ignore errors */
if (ret || !(info.flags & VFIO_IOMMU_INFO_PGSIZES)) {
/* Assume 4k IOVA page size */
info.iova_pgsizes = 4096;
}
vfio_host_win_add(container, 0, (hwaddr)-1, info.iova_pgsizes);
} else if (ioctl(fd, VFIO_CHECK_EXTENSION, VFIO_SPAPR_TCE_IOMMU) ||
ioctl(fd, VFIO_CHECK_EXTENSION, VFIO_SPAPR_TCE_v2_IOMMU)) {
struct vfio_iommu_spapr_tce_info info;
bool v2 = !!ioctl(fd, VFIO_CHECK_EXTENSION, VFIO_SPAPR_TCE_v2_IOMMU);
ret = ioctl(group->fd, VFIO_GROUP_SET_CONTAINER, &fd);
if (ret) {
error_report("vfio: failed to set group container: %m");
ret = -errno;
goto free_container_exit;
}
container->iommu_type =
v2 ? VFIO_SPAPR_TCE_v2_IOMMU : VFIO_SPAPR_TCE_IOMMU;
ret = ioctl(fd, VFIO_SET_IOMMU, container->iommu_type);
if (ret) {
error_report("vfio: failed to set iommu for container: %m");
ret = -errno;
goto free_container_exit;
}
/*
* The host kernel code implementing VFIO_IOMMU_DISABLE is called
* when container fd is closed so we do not call it explicitly
* in this file.
*/
if (!v2) {
ret = ioctl(fd, VFIO_IOMMU_ENABLE);
if (ret) {
error_report("vfio: failed to enable container: %m");
ret = -errno;
goto free_container_exit;
}
} else {
container->prereg_listener = vfio_prereg_listener;
memory_listener_register(&container->prereg_listener,
&address_space_memory);
if (container->error) {
memory_listener_unregister(&container->prereg_listener);
error_report("vfio: RAM memory listener initialization failed for container");
goto free_container_exit;
}
}
/*
* This only considers the host IOMMU's 32-bit window. At
* some point we need to add support for the optional 64-bit
* window and dynamic windows
*/
info.argsz = sizeof(info);
ret = ioctl(fd, VFIO_IOMMU_SPAPR_TCE_GET_INFO, &info);
if (ret) {
error_report("vfio: VFIO_IOMMU_SPAPR_TCE_GET_INFO failed: %m");
ret = -errno;
if (v2) {
memory_listener_unregister(&container->prereg_listener);
}
goto free_container_exit;
}
/* The default table uses 4K pages */
vfio_host_win_add(container, info.dma32_window_start,
info.dma32_window_start +
info.dma32_window_size - 1,
0x1000);
} else {
error_report("vfio: No available IOMMU models");
ret = -EINVAL;
goto free_container_exit;
}
container->listener = vfio_memory_listener;
memory_listener_register(&container->listener, container->space->as);
if (container->error) {
ret = container->error;
error_report("vfio: memory listener initialization failed for container");
goto listener_release_exit;
}
container->initialized = true;
QLIST_INIT(&container->group_list);
QLIST_INSERT_HEAD(&space->containers, container, next);
group->container = container;
QLIST_INSERT_HEAD(&container->group_list, group, container_next);
return 0;
listener_release_exit:
vfio_listener_release(container);
free_container_exit:
g_free(container);
close_fd_exit:
close(fd);
put_space_exit:
vfio_put_address_space(space);
return ret;
}
| 21,721 |
qemu | ee951a37d8873bff7aa58e23222dfd984111b6cb | 0 | static void pci_piix_init_ports(PCIIDEState *d) {
int i;
struct {
int iobase;
int iobase2;
int isairq;
} port_info[] = {
{0x1f0, 0x3f6, 14},
{0x170, 0x376, 15},
};
for (i = 0; i < 2; i++) {
ide_bus_new(&d->bus[i], &d->dev.qdev, i);
ide_init_ioport(&d->bus[i], port_info[i].iobase, port_info[i].iobase2);
ide_init2(&d->bus[i], isa_reserve_irq(port_info[i].isairq));
bmdma_init(&d->bus[i], &d->bmdma[i]);
d->bmdma[i].bus = &d->bus[i];
qemu_add_vm_change_state_handler(d->bus[i].dma->ops->restart_cb,
&d->bmdma[i].dma);
}
}
| 21,722 |
qemu | 3acace1333d6b75628fe6e6786ad3cd2db766f0e | 0 | void load_seg(int seg_reg, int selector)
{
SegmentCache *sc;
SegmentDescriptorTable *dt;
int index;
uint32_t e1, e2;
uint8_t *ptr;
env->segs[seg_reg] = selector;
sc = &env->seg_cache[seg_reg];
if (env->eflags & VM_MASK) {
sc->base = (void *)(selector << 4);
sc->limit = 0xffff;
sc->seg_32bit = 0;
} else {
if (selector & 0x4)
dt = &env->ldt;
else
dt = &env->gdt;
index = selector & ~7;
if ((index + 7) > dt->limit)
raise_exception_err(EXCP0D_GPF, selector);
ptr = dt->base + index;
e1 = ldl(ptr);
e2 = ldl(ptr + 4);
sc->base = (void *)((e1 >> 16) | ((e2 & 0xff) << 16) | (e2 & 0xff000000));
sc->limit = (e1 & 0xffff) | (e2 & 0x000f0000);
if (e2 & (1 << 23))
sc->limit = (sc->limit << 12) | 0xfff;
sc->seg_32bit = (e2 >> 22) & 1;
#if 0
fprintf(logfile, "load_seg: sel=0x%04x base=0x%08lx limit=0x%08lx seg_32bit=%d\n",
selector, (unsigned long)sc->base, sc->limit, sc->seg_32bit);
#endif
}
}
| 21,724 |
qemu | 40119effc5c36dbd0ca19ca85a5897d5b3d37d6d | 0 | static BlockBackend *blockdev_init(const char *file, QDict *bs_opts,
Error **errp)
{
const char *buf;
int bdrv_flags = 0;
int on_read_error, on_write_error;
bool account_invalid, account_failed;
const char *stats_intervals;
BlockBackend *blk;
BlockDriverState *bs;
ThrottleConfig cfg;
int snapshot = 0;
Error *error = NULL;
QemuOpts *opts;
const char *id;
bool has_driver_specific_opts;
BlockdevDetectZeroesOptions detect_zeroes =
BLOCKDEV_DETECT_ZEROES_OPTIONS_OFF;
const char *throttling_group = NULL;
/* Check common options by copying from bs_opts to opts, all other options
* stay in bs_opts for processing by bdrv_open(). */
id = qdict_get_try_str(bs_opts, "id");
opts = qemu_opts_create(&qemu_common_drive_opts, id, 1, &error);
if (error) {
error_propagate(errp, error);
goto err_no_opts;
}
qemu_opts_absorb_qdict(opts, bs_opts, &error);
if (error) {
error_propagate(errp, error);
goto early_err;
}
if (id) {
qdict_del(bs_opts, "id");
}
has_driver_specific_opts = !!qdict_size(bs_opts);
/* extract parameters */
snapshot = qemu_opt_get_bool(opts, "snapshot", 0);
account_invalid = qemu_opt_get_bool(opts, "stats-account-invalid", true);
account_failed = qemu_opt_get_bool(opts, "stats-account-failed", true);
stats_intervals = qemu_opt_get(opts, "stats-intervals");
extract_common_blockdev_options(opts, &bdrv_flags, &throttling_group, &cfg,
&detect_zeroes, &error);
if (error) {
error_propagate(errp, error);
goto early_err;
}
if ((buf = qemu_opt_get(opts, "format")) != NULL) {
if (is_help_option(buf)) {
error_printf("Supported formats:");
bdrv_iterate_format(bdrv_format_print, NULL);
error_printf("\n");
goto early_err;
}
if (qdict_haskey(bs_opts, "driver")) {
error_setg(errp, "Cannot specify both 'driver' and 'format'");
goto early_err;
}
qdict_put(bs_opts, "driver", qstring_from_str(buf));
}
on_write_error = BLOCKDEV_ON_ERROR_ENOSPC;
if ((buf = qemu_opt_get(opts, "werror")) != NULL) {
on_write_error = parse_block_error_action(buf, 0, &error);
if (error) {
error_propagate(errp, error);
goto early_err;
}
}
on_read_error = BLOCKDEV_ON_ERROR_REPORT;
if ((buf = qemu_opt_get(opts, "rerror")) != NULL) {
on_read_error = parse_block_error_action(buf, 1, &error);
if (error) {
error_propagate(errp, error);
goto early_err;
}
}
if (snapshot) {
/* always use cache=unsafe with snapshot */
bdrv_flags &= ~BDRV_O_CACHE_MASK;
bdrv_flags |= (BDRV_O_SNAPSHOT|BDRV_O_CACHE_WB|BDRV_O_NO_FLUSH);
}
/* init */
if ((!file || !*file) && !has_driver_specific_opts) {
BlockBackendRootState *blk_rs;
blk = blk_new(qemu_opts_id(opts), errp);
if (!blk) {
goto early_err;
}
blk_rs = blk_get_root_state(blk);
blk_rs->open_flags = bdrv_flags;
blk_rs->read_only = !(bdrv_flags & BDRV_O_RDWR);
blk_rs->detect_zeroes = detect_zeroes;
if (throttle_enabled(&cfg)) {
if (!throttling_group) {
throttling_group = blk_name(blk);
}
blk_rs->throttle_group = g_strdup(throttling_group);
blk_rs->throttle_state = throttle_group_incref(throttling_group);
blk_rs->throttle_state->cfg = cfg;
}
QDECREF(bs_opts);
} else {
if (file && !*file) {
file = NULL;
}
blk = blk_new_open(qemu_opts_id(opts), file, NULL, bs_opts, bdrv_flags,
errp);
if (!blk) {
goto err_no_bs_opts;
}
bs = blk_bs(blk);
bs->detect_zeroes = detect_zeroes;
/* disk I/O throttling */
if (throttle_enabled(&cfg)) {
if (!throttling_group) {
throttling_group = blk_name(blk);
}
bdrv_io_limits_enable(bs, throttling_group);
bdrv_set_io_limits(bs, &cfg);
}
if (bdrv_key_required(bs)) {
autostart = 0;
}
block_acct_init(blk_get_stats(blk), account_invalid, account_failed);
if (stats_intervals) {
char **intervals = g_strsplit(stats_intervals, ":", 0);
unsigned i;
if (*stats_intervals == '\0') {
error_setg(&error, "stats-intervals can't have an empty value");
}
for (i = 0; !error && intervals[i] != NULL; i++) {
unsigned long long val;
if (parse_uint_full(intervals[i], &val, 10) == 0 &&
val > 0 && val <= UINT_MAX) {
block_acct_add_interval(blk_get_stats(blk), val);
} else {
error_setg(&error, "Invalid interval length: '%s'",
intervals[i]);
}
}
g_strfreev(intervals);
if (error) {
error_propagate(errp, error);
blk_unref(blk);
blk = NULL;
goto err_no_bs_opts;
}
}
}
blk_set_on_error(blk, on_read_error, on_write_error);
err_no_bs_opts:
qemu_opts_del(opts);
return blk;
early_err:
qemu_opts_del(opts);
err_no_opts:
QDECREF(bs_opts);
return NULL;
}
| 21,725 |
FFmpeg | 70d54392f5015b9c6594fcae558f59f952501e3b | 0 | av_cold void ff_dsputil_init_armv5te(DSPContext *c, AVCodecContext *avctx)
{
if (avctx->bits_per_raw_sample <= 8 &&
(avctx->idct_algo == FF_IDCT_AUTO ||
avctx->idct_algo == FF_IDCT_SIMPLEARMV5TE)) {
c->idct_put = ff_simple_idct_put_armv5te;
c->idct_add = ff_simple_idct_add_armv5te;
c->idct = ff_simple_idct_armv5te;
c->idct_permutation_type = FF_NO_IDCT_PERM;
}
c->prefetch = ff_prefetch_arm;
}
| 21,727 |
qemu | 09e68369a88d7de0f988972bf28eec1b80cc47f9 | 0 | static QObject *qmp_input_get_object(QmpInputVisitor *qiv,
const char *name,
bool consume, Error **errp)
{
StackObject *tos;
QObject *qobj;
QObject *ret;
if (QSLIST_EMPTY(&qiv->stack)) {
/* Starting at root, name is ignored. */
assert(qiv->root);
return qiv->root;
}
/* We are in a container; find the next element. */
tos = QSLIST_FIRST(&qiv->stack);
qobj = tos->obj;
assert(qobj);
if (qobject_type(qobj) == QTYPE_QDICT) {
assert(name);
ret = qdict_get(qobject_to_qdict(qobj), name);
if (tos->h && consume && ret) {
bool removed = g_hash_table_remove(tos->h, name);
assert(removed);
}
if (!ret) {
error_setg(errp, QERR_MISSING_PARAMETER, name);
}
} else {
assert(qobject_type(qobj) == QTYPE_QLIST);
assert(!name);
ret = qlist_entry_obj(tos->entry);
assert(ret);
if (consume) {
tos->entry = qlist_next(tos->entry);
}
}
return ret;
}
| 21,728 |
qemu | 46c5874e9cd752ed8ded31af03472edd8fc3efc1 | 0 | static void rtas_ibm_set_slot_reset(PowerPCCPU *cpu,
sPAPREnvironment *spapr,
uint32_t token, uint32_t nargs,
target_ulong args, uint32_t nret,
target_ulong rets)
{
sPAPRPHBState *sphb;
sPAPRPHBClass *spc;
uint32_t option;
uint64_t buid;
int ret;
if ((nargs != 4) || (nret != 1)) {
goto param_error_exit;
}
buid = ((uint64_t)rtas_ld(args, 1) << 32) | rtas_ld(args, 2);
option = rtas_ld(args, 3);
sphb = find_phb(spapr, buid);
if (!sphb) {
goto param_error_exit;
}
spc = SPAPR_PCI_HOST_BRIDGE_GET_CLASS(sphb);
if (!spc->eeh_reset) {
goto param_error_exit;
}
ret = spc->eeh_reset(sphb, option);
rtas_st(rets, 0, ret);
return;
param_error_exit:
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
}
| 21,729 |
qemu | 496272a7018ba01aa2b87a1a5ed866ff85133401 | 0 | int pp_check(int key, int pp, int nx)
{
int access;
/* Compute access rights */
/* When pp is 3/7, the result is undefined. Set it to noaccess */
access = 0;
if (key == 0) {
switch (pp) {
case 0x0:
case 0x1:
case 0x2:
access |= PAGE_WRITE;
/* No break here */
case 0x3:
case 0x6:
access |= PAGE_READ;
break;
}
} else {
switch (pp) {
case 0x0:
case 0x6:
access = 0;
break;
case 0x1:
case 0x3:
access = PAGE_READ;
break;
case 0x2:
access = PAGE_READ | PAGE_WRITE;
break;
}
}
if (nx == 0) {
access |= PAGE_EXEC;
}
return access;
}
| 21,730 |
qemu | 59f39a47411ab6007a592555dc639aa9753f8d23 | 0 | static bool check_section_footer(QEMUFile *f, SaveStateEntry *se)
{
uint8_t read_mark;
uint32_t read_section_id;
if (skip_section_footers) {
/* No footer to check */
return true;
}
read_mark = qemu_get_byte(f);
if (read_mark != QEMU_VM_SECTION_FOOTER) {
error_report("Missing section footer for %s", se->idstr);
return false;
}
read_section_id = qemu_get_be32(f);
if (read_section_id != se->section_id) {
error_report("Mismatched section id in footer for %s -"
" read 0x%x expected 0x%x",
se->idstr, read_section_id, se->section_id);
return false;
}
/* All good */
return true;
}
| 21,732 |
Subsets and Splits
No community queries yet
The top public SQL queries from the community will appear here once available.