mirror of
https://github.com/KolibriOS/kolibrios.git
synced 2024-12-18 21:02:34 +03:00
146 lines
2.4 KiB
NASM
146 lines
2.4 KiB
NASM
format ELF
|
|
section '.text' executable
|
|
public _msys_get_pci_version
|
|
_msys_get_pci_version:
|
|
mov edx,ebx
|
|
mov eax,62
|
|
xor ebx,ebx
|
|
int 0x40
|
|
movzx eax,ax
|
|
mov ebx,edx
|
|
ret
|
|
|
|
public _msys_get_last_pci_bus
|
|
_msys_get_last_pci_bus:
|
|
mov edx,ebx
|
|
mov eax,62
|
|
xor ebx,ebx
|
|
inc ebx
|
|
int 0x40
|
|
movzx eax,al
|
|
mov ebx,edx
|
|
ret
|
|
|
|
public _msys_get_pci_access_mechanism
|
|
_msys_get_pci_access_mechanism:
|
|
mov edx,ebx
|
|
mov eax,62
|
|
mov ebx,2
|
|
int 0x40
|
|
movzx eax,al
|
|
mov ebx,edx
|
|
ret
|
|
|
|
public _msys_pci_read_config_byte
|
|
_msys_pci_read_config_byte:
|
|
;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 _msys_pci_read_config_word
|
|
_msys_pci_read_config_word:
|
|
;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 _msys_pci_read_config_dword
|
|
_msys_pci_read_config_dword:
|
|
;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 _msys_pci_write_config_byte
|
|
_msys_pci_write_config_byte:
|
|
;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 _msys_pci_write_config_word
|
|
_msys_pci_write_config_word:
|
|
;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 _msys_pci_write_config_dword
|
|
_msys_pci_write_config_dword:
|
|
;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 |