forked from KolibriOS/kolibrios
138 lines
2.3 KiB
NASM
138 lines
2.3 KiB
NASM
format ELF
|
|
include "public_stdcall.inc"
|
|
section '.text' executable
|
|
public_stdcall _ksys_get_pci_version,0
|
|
mov edx,ebx
|
|
mov eax,62
|
|
xor ebx,ebx
|
|
int 0x40
|
|
movzx eax,ax
|
|
mov ebx,edx
|
|
ret
|
|
|
|
public_stdcall _ksys_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 _ksys_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 _ksys_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 _ksys_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 _ksys_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 _ksys_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 _ksys_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 _ksys_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 |