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Regard whitespace Rev 4290 → Rev 4291

/kernel/trunk/blkdev/hd_drv.inc
112,6 → 112,22
ja .nodma
cmp [dma_hdd], 1
jnz .nodma
;--------------------------------------
push eax
mov eax, [hd_address_table]
cmp [hdbase], eax ; 0x1F0
pop eax
jnz @f
 
test [DRIVE_DATA+1], byte 10100000b
jnz .nodma
 
jmp .dma
@@:
test [DRIVE_DATA+1], byte 1010b
jnz .nodma
.dma:
;--------------------------------------
call hd_read_dma
jmp @f
.nodma:
204,6 → 220,22
jae .nodma
cmp [dma_hdd], 1
jnz .nodma
;--------------------------------------
push eax
mov eax, [hd_address_table]
cmp [hdbase], eax ; 0x1F0
pop eax
jnz @f
 
test [DRIVE_DATA+1], byte 10100000b
jnz .nodma
 
jmp .dma
@@:
test [DRIVE_DATA+1], byte 1010b
jnz .nodma
.dma:
;--------------------------------------
call cache_write_dma
jmp .common
.nodma:
803,23 → 835,37
pushfd
cli
pushad
; clear Bus Master IDE Command register
mov [IDE_common_irq_param], 0
mov dx, [IDEContrRegsBaseAddr]
mov al, 0
out dx, al
; test whether it is our interrupt?
add edx, 2
in al, dx
test al, 100b
jz @f
; clear Bus Master IDE Status register
; clear Interrupt bit
add edx, 2
mov al, 4 ; 100b
out dx, al
 
; clear Bus Master IDE Command register
sub edx, 2
xor eax, eax
out dx, al
; read status register and remove the interrupt request
mov edx, [hdbase]
add edx, 0x7
in al, dx
popad
popfd
mov al, 1
ret
;--------------------------------------
align 4
@@:
popad
popfd
;--------------------------------------
align 4
.exit:
mov al, 1
mov al, 0
ret
;-----------------------------------------------------------------------------
align 4
830,24 → 876,38
pushfd
cli
pushad
; clear Bus Master IDE Command register
mov [IDE_common_irq_param], 0
mov dx, [IDEContrRegsBaseAddr]
add dx, 8
mov al, 0
out dx, al
; test whether it is our interrupt?
add edx, 2
in al, dx
test al, 100b
jz @f
; clear Bus Master IDE Status register
; clear Interrupt bit
add edx, 2
mov al, 4 ; 100b
out dx, al
 
; clear Bus Master IDE Command register
sub edx, 2
mov al, 0
out dx, al
; read status register and remove the interrupt request
mov edx, [hdbase]
add edx, 0x7
in al, dx
popad
popfd
mov al, 1
ret
;--------------------------------------
align 4
@@:
popad
popfd
;--------------------------------------
align 4
.exit:
mov al, 1
mov al, 0
ret
;-----------------------------------------------------------------------------
align 4
858,13 → 918,11
pushfd
cli
pushad
; clear Bus Master IDE Command register
xor ebx, ebx
mov dx, [IDEContrRegsBaseAddr]
mov eax, IDE_common_irq_param
cmp [eax], irq14_num
mov [eax], bl
xor eax, eax
je @f
 
add dx, 8
871,19 → 929,35
;--------------------------------------
align 4
@@:
out dx, al
; test whether it is our interrupt?
add edx, 2
in al, dx
test al, 100b
jz @f
; clear Bus Master IDE Status register
; clear Interrupt bit
add edx, 2
mov al, 4 ; 100b
out dx, al
 
; clear Bus Master IDE Command register
sub edx, 2
xor eax, eax
out dx, al
; read status register and remove the interrupt request
mov edx, [hdbase]
add edx, 0x7
in al, dx
popad
popfd
mov al, 1
ret
;--------------------------------------
align 4
@@:
popad
popfd
;--------------------------------------
align 4
.exit:
mov al, 1
mov al, 0
ret
;-----------------------------------------------------------------------------
align 4