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IDE DMA

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1) No more 16-bit code, all the code in 32-bit mode
2) Expansion of the data output about modes of IDE devices

git-svn-id: svn://kolibrios.org@4624 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Marat Zakiyanov (Mario79)
2014-03-10 00:09:59 +00:00
parent 2a493360e5
commit 28e8a442bf
6 changed files with 309 additions and 363 deletions
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33
kernel/trunk/detect/dev_hdcd.inc
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@@ -85,19 +85,44 @@ Print_Device_Name:
xor eax, eax
mov ax, [Sector512+64*2]
DEBUGF 1, "K : PIO mode %x\n", eax
DEBUGF 1, "K : PIO mode possible modes %x\n", al
mov ax, [Sector512+51*2]
mov al, ah
call convert_Sector512_value
DEBUGF 1, "K : PIO mode set mode %x\n", ah
mov ax, [Sector512+63*2]
DEBUGF 1, "K : Multiword DMA mode %x\n", eax
DEBUGF 1, "K : Multiword DMA possible modes %x\n", al
mov al, ah
call convert_Sector512_value
DEBUGF 1, "K : Multiword DMA set mode %x\n", ah
mov ax, [Sector512+88*2]
DEBUGF 1, "K : Ultra DMA mode %x\n", eax
DEBUGF 1, "K : Ultra DMA possible modes %x\n", al
mov al, ah
call convert_Sector512_value
DEBUGF 1, "K : Ultra DMA set mode %x\n", ah
FindHDD_2_2:
ret
;-----------------------------------------------------------------------------
FindHDD_3:
call FindHDD_1
shl byte [DRIVE_DATA+1], 2
ret
;-----------------------------------------------------------------------------
convert_Sector512_value:
mov ecx, 8
xor ah, ah
@@:
test al, 1b
jnz .end
shr al, 1
inc ah
loop @b
xor ah, ah
.end:
ret
;-----------------------------------------------------------------------------
; Адрес считываемого сектора в режиме LBA
uglobal
SectorAddress DD ?