diff options
| author | Freya Murphy <freya@freyacat.org> | 2025-04-17 13:44:55 -0400 |
|---|---|---|
| committer | Freya Murphy <freya@freyacat.org> | 2025-04-17 14:10:42 -0400 |
| commit | f8529d09bf1555c2dda61f5841b7ad4f42ce9715 (patch) | |
| tree | 16e0cdede45741e945e663f72697665074b2b077 /kernel/old/include/x86/bios.h | |
| parent | fmt (diff) | |
| download | comus-f8529d09bf1555c2dda61f5841b7ad4f42ce9715.tar.gz comus-f8529d09bf1555c2dda61f5841b7ad4f42ce9715.tar.bz2 comus-f8529d09bf1555c2dda61f5841b7ad4f42ce9715.zip | |
elf sym loading
Diffstat (limited to '')
| -rw-r--r-- | kernel/old/include/x86/bios.h | 73 |
1 files changed, 0 insertions, 73 deletions
diff --git a/kernel/old/include/x86/bios.h b/kernel/old/include/x86/bios.h deleted file mode 100644 index a19e570..0000000 --- a/kernel/old/include/x86/bios.h +++ /dev/null @@ -1,73 +0,0 @@ -/* -** @file bios.h -** -** @author Warren R. Carithers -** -** BIOS-related declarations -*/ - -#ifndef BIOS_H_ -#define BIOS_H_ - -/* -** BIOS-related memory addresses -*/ - -#define BIOS_BDA 0x0400 - -/* -** Selected BIOS interrupt numbers -*/ - -#define BIOS_TIMER 0x08 -#define BIOS_KBD 0x09 -#define BIOS_VIDEO 0x10 -#define BIOS_EQUIP 0x11 -#define BIOS_MSIZ 0x12 -#define BIOS_DISK 0x13 -#define BIOS_SERIAL 0x14 -#define BIOS_MISC 0x15 -#define BIOS_KBDSVC 0x16 -#define BIOS_PRTSVC 0x17 -#define BIOS_BOOT 0x19 -#define BIOS_RTCPCI 0x1a - -// BIOS video commands (AH) -#define BV_W_ADV 0x0e - -// BIOS disk commands (AH) -#define BD_RESET 0x00 -#define BD_CHECK 0x01 -#define BD_RDSECT 0x02 -#define BD_WRSECT 0x03 -#define BD_PARAMS 0x08 - -// BIOS disk commands with parameters (AX) -#define BD_READ(n) ((BD_RDSECT << 8) | (n)) -#define BD_READ1 0x0201 - -// CMOS ports (used for masking NMIs) -#define CMOS_ADDR 0x70 -#define CMOS_DATA 0x71 - -// important related commands -#define NMI_ENABLE 0x00 -#define NMI_DISABLE 0x80 - -/* -** Physical Memory Map Table (0000:2D00 - 0000:7c00) -** -** Primarily used with the BIOS_MISC interrupt -*/ -#define MMAP_SEG 0x02D0 -#define MMAP_DISP 0x0000 -#define MMAP_ADDR ((MMAP_SEG << 4) + MMAP_DISP) -#define MMAP_SECTORS 0x0a - -#define MMAP_ENT 24 /* bytes per entry */ -#define MMAP_MAX_ENTS (BOOT_ADDR - MMAP_ADDR - 4) / 24 - -#define MMAP_CODE 0xE820 /* int 0x15 code */ -#define MMAP_MAGIC_NUM 0x534D4150 /* for 0xE820 interrupt */ - -#endif |