nvbios: Add 0xac init opcode
Seen on Pascal+. Arguments may be a MMIO register to write and a mask, value pair?
@@ -733,6 +733,12 @@ void printscript (uint16_t soff) {
printf("UNKAA\n");
soff += 4;
break;
+ case 0xac:
+ // Seen operating on PFUSE.FUSES+0xb1c and PFUSE.FUSES+0x2f4
+ printcmd (soff, 13);
+ printf ("UNKAC\tR[0x%06x] = 0x%08x, 0x%08x\n", le32(soff+1), le32(soff+5), le32(soff+9));
+ soff += 13;
+ break;
case 0xaf:
cnt = bios->data[soff+2];
uint8_t iters = bios->data[soff+1];
