KolibriOS/kolibrios
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Some fixes code for IDE controllers.

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git-svn-id: svn://kolibrios.org@3774 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Marat Zakiyanov (Mario79)
2013-07-07 02:10:50 +00:00
parent 09ee9d676a
commit 25dd9e6530
4 changed files with 90 additions and 29 deletions
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19
kernel/trunk/boot/bootcode.inc
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@@ -434,8 +434,11 @@ sayerr:
xor si, si ; device index = 0
int 0x1A
jnc .found_1 ; Parallel IDE Controller
; Controller not found!
xor ax, ax
mov [es:BOOT_IDE_PI_16], ax
jmp .nopci
;--------------------------------------
.found_1:
; get memory base BAR4
mov ax, 0xB10A
@@ -443,10 +446,11 @@ sayerr:
push cx
int 0x1A
jc .no_BAR4 ;.nopci
and cx, 0xFFF0 ; clear address decode type
and cx, 0xFFFC ; clear address decode type
mov [es:BOOT_IDE_BASE_ADDR], cx
.no_BAR4:
pop cx
;--------------------------------------
.found:
; get Interrupt Line
mov ax, 0xB10A
@@ -454,46 +458,55 @@ sayerr:
push cx
int 0x1A
jc .no_Interrupt ;.nopci
; and cx, 0xFFF0 ; clear address decode type
mov [es:BOOT_IDE_INTERR_16], cx
.no_Interrupt:
pop cx
;--------------------------------------
; get memory base BAR0
mov ax, 0xB10A
mov di, 0x10 ; memory base is config register at 0x10
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 0x14
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 0x18
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 0x1c
push cx
int 0x1A
jc .no_BAR3 ;.nopci
mov [es:BOOT_IDE_BAR3_16], cx
.no_BAR3:
pop cx
;--------------------------------------
.nopci:
; \end{Mario79}