badpork/kolibrios
1
0
Fork 0
forked from KolibriOS/kolibrios
Code Pull Requests Activity

PIO LBA48 write for HDD

Browse Source 
git-svn-id: svn://kolibrios.org@3706 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Marat Zakiyanov (Mario79) 2013-06-26 02:38:47 +00:00
parent 41339ef767
commit 178ccd95f9
3 changed files with 80 additions and 46 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

102
kernel/trunk/blkdev/hd_drv.inc
View File

@ -117,35 +117,37 @@ hd_read_pio:
cmp eax, 0x10000000
jae .lba48
.lba28:
pushfd
cli
xor eax, eax
mov edx, [hdbase]
inc edx
out dx, al; ATAFeatures регистр "особенностей"
out dx, al ; ATA Features регистр "особенностей"
inc edx
inc eax
out dx, al; ATASectorCount счётчик секторов
out dx, al ; ATA Sector Counter счётчик секторов
inc edx
mov eax, [esp+4]
out dx, al; ATASectorNumber регистр номера сектора
mov eax, [esp+4+4]
out dx, al ; LBA Low LBA (7:0)
shr eax, 8
inc edx
out dx, al; ATACylinder номер цилиндра (младший байт)
out dx, al ; LBA Mid LBA (15:8)
shr eax, 8
inc edx
out dx, al; номер цилиндра (старший байт)
out dx, al ; LBA High LBA (23:16)
shr eax, 8
inc edx
and al, 1+2+4+8
and al, 1+2+4+8 ; LBA (27:24)
add al, byte [hdid]
add al, 128+64+32
out dx, al; номер головки/номер диска
out dx, al ; номер головки/номер диска
inc edx
mov al, 20h
out dx, al; ATACommand регистр команд
sti
mov al, 20h ; READ SECTOR(S)
out dx, al ; ATACommand регистр команд
popfd
jmp .continue
.lba48:
pushfd
cli
xor eax, eax
mov edx, [hdbase]
@ -157,7 +159,7 @@ hd_read_pio:
inc eax
out dx, al ; Sector Count Current Sector count (7:0)
inc edx
mov eax, [esp+4]
mov eax, [esp+4+4]
rol eax,8
out dx, al ; LBA Low Previous LBA (31:24)
xor eax,eax ; because only 32 bit cache
@ -166,7 +168,7 @@ hd_read_pio:
inc edx
out dx, al ; LBA High Previous LBA (47:40)
sub edx,2
mov eax, [esp+4]
mov eax, [esp+4+4]
out dx, al ; LBA Low Current LBA (7:0)
shr eax, 8
inc edx
@ -181,7 +183,7 @@ hd_read_pio:
inc edx
mov al, 24h ; READ SECTOR(S) EXT
out dx, al; ATACommand регистр команд
sti
popfd
.continue:
call wait_for_sector_buffer
@ -291,8 +293,6 @@ hd_write:
align 4
cache_write_pio:
cmp dword[esi], 0x10000000
jae .bad
; call disable_ide_int
; Выбрать нужный диск
@ -306,34 +306,79 @@ cache_write_pio:
cmp [hd_error], 0
jne hd_write_error
; ATA with 28 or 48 bit for sector number?
mov eax, [esi]
cmp eax, 0x10000000
jae .lba48
.lba28:
pushfd
cli
xor eax, eax
mov edx, [hdbase]
inc edx
out dx, al
out dx, al ; ATA Features регистр "особенностей"
inc edx
inc eax
out dx, al
out dx, al ; ATA Sector Counter счётчик секторов
inc edx
mov eax, [esi] ; eax = sector to write
out dx, al
out dx, al ; LBA Low LBA (7:0)
shr eax, 8
inc edx
out dx, al
out dx, al ; LBA Mid LBA (15:8)
shr eax, 8
inc edx
out dx, al
out dx, al ; LBA High LBA (23:16)
shr eax, 8
inc edx
and al, 1+2+4+8
and al, 1+2+4+8 ; LBA (27:24)
add al, byte [hdid]
add al, 128+64+32
out dx, al
out dx, al ; номер головки/номер диска
inc edx
mov al, 30h
out dx, al
sti
mov al, 30h ; WRITE SECTOR(S)
out dx, al ; ATACommand регистр команд
popfd
jmp .continue
.lba48:
pushfd
cli
xor eax, eax
mov edx, [hdbase]
inc edx
out dx, al ; Features Previous Reserved
out dx, al ; Features Current Reserved
inc edx
out dx, al ; Sector Count Previous Sector count (15:8)
inc eax
out dx, al ; Sector Count Current Sector count (7:0)
inc edx
mov eax, [esi]
rol eax,8
out dx, al ; LBA Low Previous LBA (31:24)
xor eax,eax ; because only 32 bit cache
inc edx
out dx, al ; LBA Mid Previous LBA (39:32)
inc edx
out dx, al ; LBA High Previous LBA (47:40)
sub edx,2
mov eax, [esi]
out dx, al ; LBA Low Current LBA (7:0)
shr eax, 8
inc edx
out dx, al ; LBA Mid Current LBA (15:8)
shr eax, 8
inc edx
out dx, al ; LBA High Current LBA (23:16)
inc edx
mov al, byte [hdid]
add al, 128+64+32
out dx, al; номер головки/номер диска
inc edx
mov al, 34h ; WRITE SECTOR(S) EXT
out dx, al; ATACommand регистр команд
popfd
.continue:
call wait_for_sector_buffer
cmp [hd_error], 0
@ -360,9 +405,6 @@ cache_write_pio:
pop esi ecx
ret
.bad:
inc [hd_error]
ret
save_hd_wait_timeout:

6
kernel/trunk/detect/dev_hdcd.inc
View File

@ -44,10 +44,8 @@ FindHDD:
jmp EndFindHDD
FindHDD_1:
movzx eax,word [ChannelNumber]
DEBUGF 1, "K : Channel %d ",eax
movzx eax,byte [DiskNumber]
DEBUGF 1, "Disk %d\n",eax
DEBUGF 1, "K : Channel %d ",[ChannelNumber]:2
DEBUGF 1, "Disk %d\n",[DiskNumber]:1
call ReadHDD_ID
cmp [DevErrorCode], 0
jne FindHDD_2

18
kernel/trunk/kernel.asm
View File

@ -1046,18 +1046,12 @@ end if
@@:
DEBUGF 1, "K : %d CPU detected\n", eax
movzx eax,[IDE_BAR0_val]
DEBUGF 1, "K : BAR0 %x \n", eax
movzx eax,[IDE_BAR1_val]
DEBUGF 1, "K : BAR1 %x \n", eax
movzx eax,[IDE_BAR2_val]
DEBUGF 1, "K : BAR2 %x \n", eax
movzx eax,[IDE_BAR3_val]
DEBUGF 1, "K : BAR3 %x \n", eax
movzx eax,[IDEContrRegsBaseAddr]
DEBUGF 1, "K : BAR4 %x \n", eax
movzx eax,[IDEContrProgrammingInterface]
DEBUGF 1, "K : IDEContrProgrammingInterface %x \n", eax
DEBUGF 1, "K : BAR0 %x \n", [IDE_BAR0_val]:4
DEBUGF 1, "K : BAR1 %x \n", [IDE_BAR1_val]:4
DEBUGF 1, "K : BAR2 %x \n", [IDE_BAR2_val]:4
DEBUGF 1, "K : BAR3 %x \n", [IDE_BAR3_val]:4
DEBUGF 1, "K : BAR4 %x \n", [IDEContrRegsBaseAddr]:4
DEBUGF 1, "K : IDEContrProgrammingInterface %x \n", [IDEContrProgrammingInterface]:4
; START MULTITASKING
; A 'All set - press ESC to start' messages if need