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