aabc2/KOS_qrcodes
1
0
Fork 0
forked from KolibriOS/kolibrios
Code Pull Requests Activity

1) SATA IDE support for HDD and ATAPI

Browse Source 
2) PIO LBA48 read for HDD

git-svn-id: svn://kolibrios.org@3702 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Marat Zakiyanov (Mario79)
2013-06-25 03:15:38 +00:00
parent 1812e8064e
commit d9b8117616
7 changed files with 257 additions and 36 deletions
Download Patch File Download Diff File Expand all files Collapse all files

79
kernel/trunk/boot/bootcode.inc
View File

@@ -387,7 +387,12 @@ sayerr:
push 0
pop es
and word [es:BOOT_IDE_BASE_ADDR], 0
xor ax,ax
and word [es:BOOT_IDE_BASE_ADDR], ax ;0
and word [es:BOOT_IDE_BAR0_16], ax ;0
and word [es:BOOT_IDE_BAR1_16], ax ;0
and word [es:BOOT_IDE_BAR2_16], ax ;0
and word [es:BOOT_IDE_BAR3_16], ax ;0
; \begin{Mario79}
; find HDD IDE DMA PCI device
; check for PCI BIOS
@@ -402,29 +407,81 @@ sayerr:
; a) class 1, subclass 1, programming interface 0x80
mov ax, 0xB103
mov ecx, 1*10000h + 1*100h + 0x80
mov [es:BOOT_IDE_PI_16], cx
xor si, si ; device index = 0
int 0x1A
jnc .found
; b) class 1, subclass 1, programming interface 0x8A
jnc .found_1
; b) class 1, subclass 1, programming interface 0x8f
mov ax, 0xB103
mov ecx, 1*10000h + 1*100h + 0x8A
mov ecx, 1*10000h + 1*100h + 0x8f
mov [es:BOOT_IDE_PI_16], cx
xor si, si ; device index = 0
int 0x1A
jnc .found
; c) class 1, subclass 1, programming interface 0x85
mov ax, 0xB103
mov ecx, 1*10000h + 1*100h + 0x85
xor si, si
mov [es:BOOT_IDE_PI_16], cx
xor si, si ; device index = 0
int 0x1A
jc .nopci
.found:
; get memory base
jnc .found
; d) class 1, subclass 1, programming interface 0x8A
mov ax, 0xB103
mov ecx, 1*10000h + 1*100h + 0x8A
mov [es:BOOT_IDE_PI_16], cx
xor si, si ; device index = 0
int 0x1A
jnc .found
jmp .nopci
.found_1:
; get memory base BAR4
mov ax, 0xB10A
mov di, 0x20 ; memory base is config register at 0x20
push cx
int 0x1A
jc .nopci
jc .no_BAR4 ;.nopci
and cx, 0xFFF0 ; clear address decode type
mov [es:BOOT_IDE_BASE_ADDR], cx
.no_BAR4:
pop cx
.found:
; get memory base BAR0
mov ax, 0xB10A
mov di, 0x10 ; memory base is config register at 0x20
push cx
int 0x1A
jc .no_BAR0 ;.nopci
mov [es:BOOT_IDE_BAR0_16], cx
.no_BAR0:
pop cx
; get memory base BAR1
mov ax, 0xB10A
mov di, 0x14 ; memory base is config register at 0x20
push cx
int 0x1A
jc .no_BAR1 ;.nopci
mov [es:BOOT_IDE_BAR1_16], cx
.no_BAR1:
pop cx
; get memory base BAR2
mov ax, 0xB10A
mov di, 0x18 ; memory base is config register at 0x20
push cx
int 0x1A
jc .no_BAR2 ;.nopci
mov [es:BOOT_IDE_BAR2_16], cx
.no_BAR2:
pop cx
; get memory base BAR3
mov ax, 0xB10A
mov di, 0x1C ; memory base is config register at 0x20
push cx
int 0x1A
jc .no_BAR3 ;.nopci
mov [es:BOOT_IDE_BAR3_16], cx
.no_BAR3:
pop cx
.nopci:
; \end{Mario79}
@@ -550,8 +607,8 @@ end if
; following 4 lines set variables to 1 if its current value is 0
cmp byte [di+preboot_dma-preboot_device], 1
adc byte [di+preboot_dma-preboot_device], 0
cmp byte [di+preboot_biosdisk-preboot_device], 1
adc byte [di+preboot_biosdisk-preboot_device], 0
; cmp byte [di+preboot_biosdisk-preboot_device], 1
; adc byte [di+preboot_biosdisk-preboot_device], 0
;; default value for VRR is OFF
; cmp byte [di+preboot_vrrm-preboot_device], 0
; jnz @f