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HDD IDE DMA handler - remove the interrupt flag 

git-svn-id: svn://kolibrios.org@3881 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Marat Zakiyanov (Mario79) 2013-09-01 21:29:56 +00:00
parent dfbe7a6039
commit 657905b212
2 changed files with 51 additions and 13 deletions
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56
kernel/trunk/blkdev/hd_drv.inc
View File

@ -536,7 +536,6 @@ cache_write_pio:
inc edx
mov al, 30h ; WRITE SECTOR(S)
out dx, al ; ATACommand регистр команд
popfd
jmp .continue
;--------------------------------------
.lba48:
@ -576,9 +575,9 @@ cache_write_pio:
inc edx
mov al, 34h ; WRITE SECTOR(S) EXT
out dx, al ; ATACommand регистр команд
popfd
;--------------------------------------
.continue:
popfd
call wait_for_sector_buffer
cmp [hd_error], 0
@ -728,7 +727,7 @@ align 4
call check_hd_wait_timeout
cmp [hd_error], 0
jz .wait
; clear Bus Master IDE Command register
pushfd
cli
mov [IDE_common_irq_param], 0
@ -736,6 +735,8 @@ align 4
mov al, 0
out dx, al
popfd
;--------------------------------------
align 4
.done:
pop edx
pop eax
@ -756,7 +757,7 @@ align 4
call check_hd_wait_timeout
cmp [hd_error], 0
jz .wait
; clear Bus Master IDE Command register
pushfd
cli
mov [IDE_common_irq_param], 0
@ -765,6 +766,8 @@ align 4
mov al, 0
out dx, al
popfd
;--------------------------------------
align 4
.done:
pop edx
pop eax
@ -804,14 +807,21 @@ IDE_irq_14_handler:
pushfd
cli
pushad
; clear Bus Master IDE Command register
mov [IDE_common_irq_param], 0
mov dx, [IDEContrRegsBaseAddr]
mov al, 0
out dx, al
; clear Bus Master IDE Status register
; clear Interrupt bit
add edx, 2
mov al, 4 ; 100b
out dx, al
popad
popfd
;--------------------------------------
align 4
.exit:
mov al, 1
ret
@ -824,15 +834,22 @@ IDE_irq_15_handler:
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
; clear Bus Master IDE Status register
; clear Interrupt bit
add edx, 2
mov al, 4 ; 100b
out dx, al
popad
popfd
;--------------------------------------
align 4
.exit:
mov al, 1
ret
@ -845,7 +862,7 @@ IDE_common_irq_handler:
pushfd
cli
pushad
; clear Bus Master IDE Command register
xor ebx, ebx
mov dx, [IDEContrRegsBaseAddr]
mov eax, IDE_common_irq_param
@ -859,9 +876,16 @@ IDE_common_irq_handler:
align 4
@@:
out dx, al
; clear Bus Master IDE Status register
; clear Interrupt bit
add edx, 2
mov al, 4 ; 100b
out dx, al
popad
popfd
;--------------------------------------
align 4
.exit:
mov al, 1
ret
@ -917,15 +941,11 @@ hd_read_dma:
; clear Bus Master IDE Command register
mov al, 0
out dx, al
; set write to memory
; mov al, 8 ; 1000b
; out dx, al
; clear Bus Master IDE Status register
; clear Error bit and Interrupt bit
add edx, 2
mov al, 6 ; 110b
out dx, al
; Select the desired drive
mov edx, [hdbase]
add edx, 6 ; адрес регистра головок
@ -1059,8 +1079,9 @@ hd_read_dma:
jmp hd_read_dma
;-----------------------------------------------------------------------------
cache_write_dma:
mov eax, [cache_chain_ptr]
mov eax, [cache_chain_ptr] ; for what?
push esi
; set data for PRD Table
mov eax, IDE_descriptor_table
mov edx, eax
pusha
@ -1074,6 +1095,7 @@ cache_write_dma:
rep movsd
popa
sub eax, OS_BASE
; select controller Primary or Secondary
mov dx, [IDEContrRegsBaseAddr]
push eax
mov eax, [hd_address_table]
@ -1083,15 +1105,19 @@ cache_write_dma:
add edx, 8
@@:
push edx
; Bus Master IDE PRD Table Address
add edx, 4
; save IDE_descriptor_table
out dx, eax
pop edx
; clear Bus Master IDE Command register
mov al, 0
out dx, al
; clear Bus Master IDE Status register
; clear Error bit and Interrupt bit
add edx, 2
mov al, 6
out dx, al
; Select the desired drive
mov edx, [hdbase]
add edx, 6 ; адрес регистра головок
@ -1180,12 +1206,14 @@ cache_write_dma:
out dx, al ; ATACommand регистр команд
;--------------------------------------
.continue:
; select controller Primary or Secondary
mov dx, [IDEContrRegsBaseAddr]
mov eax, [hd_address_table]
cmp [hdbase], eax ; 0x1F0
jz @f
add dx, 8
@@:
; set write to device and Start Bus Master
mov al, 1
out dx, al
mov eax, [CURRENT_TASK]
@ -1202,6 +1230,7 @@ cache_write_dma:
mov [IDE_common_irq_param], irq15_num
@@:
popfd
; wait for interrupt
mov [dma_cur_sector], not 0x40
mov eax, [hd_address_table]
cmp [hdbase], eax ; 0x1F0
@ -1217,6 +1246,7 @@ cache_write_dma:
ret
;-----------------------------------------------------------------------------
uglobal
align 4
IDE_Interrupt dw ?
IDEContrRegsBaseAddr dw ?
IDEContrProgrammingInterface dw ?

8
kernel/trunk/detect/dev_hdcd.inc
View File

@ -82,6 +82,14 @@ Print_Device_Name:
popfd
popad
DEBUGF 1, "K : Dev: %s \n", dev_name
xor eax, eax
mov ax, [Sector512+64*2]
DEBUGF 1, "K : PIO mode %x\n", eax
mov ax, [Sector512+63*2]
DEBUGF 1, "K : Multiword DMA mode %x\n", eax
mov ax, [Sector512+88*2]
DEBUGF 1, "K : Ultra DMA mode %x\n", eax
FindHDD_2_2:
ret