KolibriOS/kolibrios
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IDE DMA fix (SATA Native mode).

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git-svn-id: svn://kolibrios.org@4291 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Marat Zakiyanov (Mario79) 2013-11-25 20:00:10 +00:00
parent 9fc5122eb8
commit 12ea7f0fda
3 changed files with 114 additions and 24 deletions
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116
kernel/trunk/blkdev/hd_drv.inc
View File

@ -112,6 +112,22 @@ endl
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 @@ endl
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 @@ 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
; 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 @@ 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
; 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
@ -858,32 +918,46 @@ 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
cmp [eax], irq14_num
mov [eax], bl
xor eax, eax
je @f
add dx, 8
;--------------------------------------
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

6
kernel/trunk/boot/bootcode.inc
View File

@ -432,14 +432,14 @@ sayerr:
mov [es:BOOT_IDE_PI_16], cx
xor si, si ; device index = 0
int 0x1A
jnc .found
jnc .found_1
; c) class 1, subclass 1, programming interface 0x85
mov ax, 0xB103
mov ecx, 1*10000h + 1*100h + 0x85
mov [es:BOOT_IDE_PI_16], cx
xor si, si ; device index = 0
int 0x1A
jnc .found
jnc .found_1
; d) class 1, subclass 1, programming interface 0x8A
; This is a Parallel IDE Controller which uses IRQs 14 and 15.
mov ax, 0xB103
@ -447,7 +447,7 @@ sayerr:
mov [es:BOOT_IDE_PI_16], cx
xor si, si ; device index = 0
int 0x1A
jnc .found ; Parallel IDE Controller
jnc .found_1 ; Parallel IDE Controller
; Controller not found!
xor ax, ax
mov [es:BOOT_IDE_PI_16], ax

16
kernel/trunk/kernel.asm
View File

@ -1200,12 +1200,28 @@ set_interrupts_for_IDE_controllers:
call boot_log
; Enable interrupts in IDE controller for DMA
mov al, 0
mov ah, [DRIVE_DATA+1]
test ah, 10100000b
jz @f
DEBUGF 1, "K : IDE CH1 PIO, because ATAPI drive present\n"
jmp .ch2_check
@@:
mov dx, [IDE_BAR1_val] ;0x3F4
add dx, 2 ;0x3F6
out dx, al
DEBUGF 1, "K : IDE CH1 DMA enabled\n"
.ch2_check:
test ah, 1010b
jz @f
DEBUGF 1, "K : IDE CH2 PIO, because ATAPI drive present\n"
jmp .end_set_interrupts
@@:
mov dx, [IDE_BAR3_val] ;0x374
add dx, 2 ;0x376
out dx, al
DEBUGF 1, "K : IDE CH2 DMA enabled\n"
;--------------------------------------
.end_set_interrupts:
;-----------------------------------------------------------------------------