text: #ifndef __CONFIG_H
  #define __CONFIG_H
  
  #include "autoconf.h"
  
  // Configuration definitions.
  
  //#define CONFIG_APPNAME  "QEMU"
  //#define CONFIG_CPUNAME8 "QEMUCPU "
  //#define CONFIG_APPNAME6 "QEMU  "
  //#define CONFIG_APPNAME4 "QEMU"
  #define CONFIG_APPNAME  "Bochs"
  #define CONFIG_CPUNAME8 "BOCHSCPU"
  #define CONFIG_APPNAME6 "BOCHS "
  #define CONFIG_APPNAME4 "BXPC"
  
  // Maximum number of map entries in the e820 map
  #define CONFIG_MAX_E820 32
  // Space to reserve in f-segment for dynamic allocations
  #define CONFIG_MAX_BIOSTABLE 2048
  // Space to reserve in high-memory for tables
  #define CONFIG_MAX_HIGHTABLE (64*1024)
  // Largest supported externaly facing drive id
  #define CONFIG_MAX_EXTDRIVE 16
  
  #define CONFIG_MODEL_ID      0xFC
  #define CONFIG_SUBMODEL_ID   0x00
  #define CONFIG_BIOS_REVISION 0x01
  
  // Various memory addresses used by the code.
  #define BUILD_STACK_ADDR          0x7000
  #define BUILD_S3RESUME_STACK_ADDR 0x1000
  #define BUILD_AP_BOOT_ADDR        0x10000
  #define BUILD_EBDA_MINIMUM        0x90000
  #define BUILD_LOWRAM_END          0xa0000
  #define BUILD_ROM_START           0xc0000
  #define BUILD_BIOS_ADDR           0xf0000
  #define BUILD_BIOS_SIZE           0x10000
  // 32KB for shadow ram copying (works around emulator deficiencies)
  #define BUILD_BIOS_TMP_ADDR       0x30000
  #define BUILD_MAX_HIGHMEM         0xe0000000
  
  #define BUILD_PCIMEM_START        0xe0000000
  #define BUILD_PCIMEM_SIZE         (BUILD_PCIMEM_END - BUILD_PCIMEM_START)
  #define BUILD_PCIMEM_END          0xfec00000    /* IOAPIC is mapped at */
  
  #define BUILD_APIC_ADDR           0xfee00000
  #define BUILD_IOAPIC_ADDR         0xfec00000
  
  #define BUILD_SMM_INIT_ADDR       0x38000
  #define BUILD_SMM_ADDR            0xa8000
  #define BUILD_SMM_SIZE            0x8000
  
  #define BUILD_MAX_SMBIOS_FSEG     600
  
  // Important real-mode segments
  #define SEG_IVT      0x0000
  #define SEG_BDA      0x0040
  #define SEG_BIOS     0xf000
  
  // Segment definitions in protected mode (see rombios32_gdt in misc.c)
  #define SEG32_MODE32_CS    (1 << 3)
  #define SEG32_MODE32_DS    (2 << 3)
  #define SEG32_MODE16_CS    (3 << 3)
  #define SEG32_MODE16_DS    (4 << 3)
  #define SEG32_MODE16BIG_CS (5 << 3)
  #define SEG32_MODE16BIG_DS (6 << 3)
  
  // Debugging levels.  If non-zero and CONFIG_DEBUG_LEVEL is greater
  // than the specified value, then the corresponding irq handler will
  // report every enter event.
  #define DEBUG_ISR_02 1
  #define DEBUG_HDL_05 1
  #define DEBUG_ISR_08 20
  #define DEBUG_ISR_09 9
  #define DEBUG_ISR_0e 9
  #define DEBUG_HDL_10 20
  #define DEBUG_HDL_11 2
  #define DEBUG_HDL_12 2
  #define DEBUG_HDL_13 10
  #define DEBUG_HDL_14 2
  #define DEBUG_HDL_15 9
  #define DEBUG_HDL_16 9
  #define DEBUG_HDL_17 2
  #define DEBUG_HDL_18 1
  #define DEBUG_HDL_19 1
  #define DEBUG_HDL_1a 9
  #define DEBUG_HDL_40 1
  #define DEBUG_ISR_70 9
  #define DEBUG_ISR_74 9
  #define DEBUG_ISR_75 1
  #define DEBUG_ISR_76 10
  #define DEBUG_ISR_hwpic1 5
  #define DEBUG_ISR_hwpic2 5
  #define DEBUG_HDL_pnp 1
  #define DEBUG_HDL_pmm 1
  #define DEBUG_HDL_pcibios32 9
  #define DEBUG_HDL_apm 9
  
  #define DEBUG_unimplemented 2
  #define DEBUG_invalid 3
  #define DEBUG_thread 2
  
  #endif // config.h
  