forked from KolibriOS/kolibrios
127 lines
2.1 KiB
NASM
127 lines
2.1 KiB
NASM
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format ELF
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section '.text' executable
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public _msys_get_irq_owner
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_msys_get_irq_owner:
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;arg1 - irq
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mov edx,ebx
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mov eax,41
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mov ebx,[esp+4]
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int 0x40
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mov ebx,edx
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ret 4
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public _msys_get_data_read_by_irq
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_msys_get_data_read_by_irq:
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;arg1 - irq
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;arg2 - *size
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;arg3 - data
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mov edx,ebx
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mov eax,42
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mov ebx,[esp+4]
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int 0x40
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cmp ecx,2
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jz .not_an_owner
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push ecx
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mov ecx,[esp+16]
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test ecx,ecx
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jz .ignore_data
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mov [ecx],bl
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.ignore_data:
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mov ecx,[esp+12]
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mov [ecx],eax
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pop eax
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mov ebx,edx
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ret 12
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.not_an_owner:
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mov eax,2
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mov ebx,edx
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ret
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public _msys_send_data_to_device
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_msys_send_data_to_device:
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;arg1 - port
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;arg2 - data
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mov edx,ebx
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mov eax,63
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mov ebx,[esp+8]
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mov ecx,[esp+4]
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int 0x40
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mov ebx,edx
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ret 8
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public _msys_receive_data_from_device
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_msys_receive_data_from_device:
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;arg1 - port
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;arg2 - data
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mov edx,ebx
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mov eax,43
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mov ecx,[esp+4]
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add ecx,0x80000000
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int 0x40
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mov ecx,[esp+8]
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mov [ecx],bl
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mov ebx,edx
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ret 8
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public _msys_program_irq
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_msys_program_irq:
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;arg1 - intrtable
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;arg2 - irq
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mov edx,ebx
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mov eax,44
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mov ebx,[esp+4]
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mov ecx,[esp+8]
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int 0x40
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mov ebx,edx
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ret 8
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public _msys_reserve_irq
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_msys_reserve_irq:
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;arg1 - irq
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mov edx,ebx
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mov eax,45
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xor ebx,ebx
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mov ecx,[esp+4]
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int 0x40
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mov ebx,edx
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ret 4
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public _msys_free_irq
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_msys_free_irq:
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;arg1 - irq
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mov edx,ebx
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mov eax,45
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xor ebx,ebx
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inc ebx
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mov ecx,[esp+4]
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int 0x40
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mov ebx,edx
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ret 4
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public _msys_reserve_port_area
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_msys_reserve_port_area:
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;arg1 - start
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;arg2 - end
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push ebx
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mov eax,46
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xor ebx,ebx
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mov ecx,[esp+8]
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mov edx,[esp+12]
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int 0x40
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pop ebx
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ret 8
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public _msys_free_port_area
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_msys_free_port_area:
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;arg1 - start
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;arg2 - end
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push ebx
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mov eax,46
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xor ebx,ebx
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inc ebx
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mov ecx,[esp+8]
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mov edx,[esp+12]
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int 0x40
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pop ebx
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ret 8
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