kolibrios/programs/develop/metcc/trunk/libc/mesys/irq.asm
Andrey Halyavin (halyavin) 51d395d0cc initial import of metcc project
git-svn-id: svn://kolibrios.org@145 a494cfbc-eb01-0410-851d-a64ba20cac60
2006-09-07 14:14:53 +00:00

127 lines
2.1 KiB
NASM

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