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kolibrios/programs/develop/metcc/trunk/libc/mesys/pci.asm
Andrey Halyavin (halyavin) 4d719e6bc5 * Assembler part of libc now also exports "name@params_size" for every system function
because of stdcall convention. 
* Some fixes in calculating relocations procedure.

git-svn-id: svn://kolibrios.org@159 a494cfbc-eb01-0410-851d-a64ba20cac60
2006-09-23 14:00:36 +00:00

138 lines
2.3 KiB
NASM

format ELF
include "public_stdcall.inc"
section '.text' executable
public_stdcall _msys_get_pci_version,0
mov edx,ebx
mov eax,62
xor ebx,ebx
int 0x40
movzx eax,ax
mov ebx,edx
ret
public_stdcall _msys_get_last_pci_bus,0
mov edx,ebx
mov eax,62
xor ebx,ebx
inc ebx
int 0x40
movzx eax,al
mov ebx,edx
ret
public_stdcall _msys_get_pci_access_mechanism,0
mov edx,ebx
mov eax,62
mov ebx,2
int 0x40
movzx eax,al
mov ebx,edx
ret
public_stdcall _msys_pci_read_config_byte,16
;arg1 - bus
;arg2 - dev
;arg3 - fn
;arg4 - reg
mov edx,ebx
mov eax,62
mov bl,4
mov bh,[esp+4]
mov ch,[esp+8]
shl ch,3
add ch,[esp+12]
mov cl,[esp+16]
int 0x40
mov ebx,edx
ret 16
public_stdcall _msys_pci_read_config_word,16
;arg1 - bus
;arg2 - dev
;arg3 - fn
;arg4 - reg
mov edx,ebx
mov eax,62
mov bl,5
mov bh,[esp+4]
mov ch,[esp+8]
shl ch,3
add ch,[esp+12]
mov cl,[esp+16]
int 0x40
mov ebx,edx
ret 16
public_stdcall _msys_pci_read_config_dword,16
;arg1 - bus
;arg2 - dev
;arg3 - fn
;arg4 - reg
mov edx,ebx
mov eax,62
mov bl,6
mov bh,[esp+4]
mov ch,[esp+8]
shl ch,3
add ch,[esp+12]
mov cl,[esp+16]
int 0x40
mov ebx,edx
ret 16
public_stdcall _msys_pci_write_config_byte,20
;arg1 - bus
;arg2 - dev
;arg3 - fn
;arg4 - reg
;arg5 - value
push ebx
mov eax,62
mov bl,8
mov bh,[esp+8]
mov ch,[esp+12]
shl ch,3
mov ch,[esp+16]
mov cl,[esp+20]
movzx edx,byte [esp+24]
int 0x40
pop ebx
ret 20
public_stdcall _msys_pci_write_config_word,20
;arg1 - bus
;arg2 - dev
;arg3 - fn
;arg4 - reg
;arg5 - value
push ebx
mov eax,62
mov bl,9
mov bh,[esp+8]
mov ch,[esp+12]
shl ch,3
mov ch,[esp+16]
mov cl,[esp+20]
movzx edx,word [esp+24]
int 0x40
pop ebx
ret 20
public_stdcall _msys_pci_write_config_dword,20
;arg1 - bus
;arg2 - dev
;arg3 - fn
;arg4 - reg
;arg5 - value
push ebx
mov eax,62
mov bl,10
mov bh,[esp+8]
mov ch,[esp+12]
shl ch,3
mov ch,[esp+16]
mov cl,[esp+20]
mov edx,[esp+24]
int 0x40
pop ebx
ret 20