From 657905b212724c7743ef8df64c02ddad5448281d Mon Sep 17 00:00:00 2001 From: "Marat Zakiyanov (Mario79)" Date: Sun, 1 Sep 2013 21:29:56 +0000 Subject: [PATCH] HDD IDE DMA handler - remove the interrupt flag git-svn-id: svn://kolibrios.org@3881 a494cfbc-eb01-0410-851d-a64ba20cac60 --- kernel/trunk/blkdev/hd_drv.inc | 56 ++++++++++++++++++++++++-------- kernel/trunk/detect/dev_hdcd.inc | 8 +++++ 2 files changed, 51 insertions(+), 13 deletions(-) diff --git a/kernel/trunk/blkdev/hd_drv.inc b/kernel/trunk/blkdev/hd_drv.inc index e28ad343fd..8e9d79c250 100644 --- a/kernel/trunk/blkdev/hd_drv.inc +++ b/kernel/trunk/blkdev/hd_drv.inc @@ -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 ? diff --git a/kernel/trunk/detect/dev_hdcd.inc b/kernel/trunk/detect/dev_hdcd.inc index b4b0552c16..830b47b609 100644 --- a/kernel/trunk/detect/dev_hdcd.inc +++ b/kernel/trunk/detect/dev_hdcd.inc @@ -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