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fixed bug in init_LFB()

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git-svn-id: svn://kolibrios.org@389 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2007-03-05 21:37:28 +00:00
parent 9140ef0cce
commit 3764b8d630
13 changed files with 87 additions and 77 deletions
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72
kernel/trunk/blkdev/hd_drv.inc
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@@ -25,7 +25,7 @@ hd_read:
push ecx esi edi ; scan cache
mov ecx,cache_max ; entries in cache
mov esi,0x600000+8
mov esi,OS_BASE+0x600000+8
mov edi,1
hdreadcache:
@@ -54,7 +54,7 @@ hd_read:
call hd_read_pio
@@:
lea esi,[edi*8+0x600000]
lea esi,[edi*8+OS_BASE+0x600000]
mov [esi],eax ; sector number
mov dword [esi+4],1 ; hd read - mark as same as in hd
@@ -62,7 +62,7 @@ hd_read:
mov esi,edi
shl esi,9
add esi,0x600000+65536
add esi,OS_BASE+0x600000+65536
mov edi,ebx
mov ecx,512/4
cld
@@ -77,7 +77,7 @@ hd_read_pio:
call wait_for_hd_idle
cmp [hd_error],0
jne hd_read_error
jne hd_read_error
cli
xor eax,eax
@@ -115,7 +115,7 @@ hd_read_pio:
cli
push edi
shl edi,9
add edi,0x600000+65536
add edi,OS_BASE+0x600000+65536
mov ecx,256
mov edx,[hdbase]
cld
@@ -126,7 +126,7 @@ hd_read_pio:
pop edx eax
ret
disable_ide_int:
disable_ide_int:
; mov edx,[hdbase]
; add edx,0x206
; mov al,2
@@ -153,7 +153,7 @@ hd_write:
; check if the cache already has the sector and overwrite it
mov ecx,cache_max
mov esi,0x600000+8
mov esi,OS_BASE+0x600000+8
mov edi,1
hdwritecache:
@@ -178,7 +178,7 @@ hd_write:
cmp [hd_error],0
jne hd_write_access_denied
lea esi,[edi*8+0x600000]
lea esi,[edi*8+OS_BASE+0x600000]
mov [esi],eax ; sector number
yes_in_cache_write:
@@ -186,7 +186,7 @@ hd_write:
mov dword [esi+4],2 ; write - differs from hd
shl edi,9
add edi,0x600000+65536
add edi,OS_BASE+0x600000+65536
mov esi,ebx
mov ecx,512/4
cld
@@ -205,7 +205,7 @@ write_cache:
; write difference ( 2 ) from cache to hd
mov ecx,cache_max
mov esi,0x600000+8
mov esi,OS_BASE+0x600000+8
mov edi,1
write_cache_more:
@@ -323,7 +323,7 @@ cache_write_pio:
; cli
mov esi,edi
shl esi,9
add esi,0x600000+65536 ; esi = from memory position
add esi,OS_BASE+0x600000+65536 ; esi = from memory position
mov ecx,256
mov edx,[hdbase]
cld
@@ -357,7 +357,7 @@ find_empty_slot:
inside_cache:
cmp dword [edi*8+0x600000+4],2 ; get cache slot info
cmp dword [edi*8+OS_BASE+0x600000+4],2 ; get cache slot info
jb found_slot ; it's empty or read
dec ecx
jnz search_for_empty
@@ -378,7 +378,7 @@ align 4
clear_hd_cache:
push eax ecx edi
mov edi,0x600000
mov edi,OS_BASE+0x600000
mov ecx,16384
xor eax,eax
cld
@@ -484,7 +484,7 @@ wait_for_hd_idle:
in al,dx
test al,128
jnz wfhil1
@@:
pop edx eax
@@ -574,7 +574,7 @@ iglobal
align 4
; note that IDE descriptor table must be 4-byte aligned and do not cross 4K boundary
IDE_descriptor_table:
dd 284000h
dd OS_BASE+284000h
dw 2000h
dw 8000h
@@ -607,16 +607,16 @@ hdd_irq14:
out dx, al
call update_counters
mov ebx, [dma_process]
cmp [0x3000], ebx
cmp [CURRENT_TASK], ebx
jz .noswitch
mov [dma_task_switched], 1
mov edi, [dma_slot_ptr]
mov eax, [0x3000]
mov eax, [CURRENT_TASK]
mov [dma_process], eax
mov eax, [0x3010]
mov eax, [TASK_BASE]
mov [dma_slot_ptr], eax
mov [0x3000], ebx
mov [0x3010], edi
mov [CURRENT_TASK], ebx
mov [TASK_BASE], edi
mov byte [0xFFFF], 1
call do_change_task
.noswitch:
@@ -638,16 +638,16 @@ hdd_irq15:
out dx, al
call update_counters
mov ebx, [dma_process]
cmp [0x3000], ebx
cmp [CURRENT_TASK], ebx
jz .noswitch
mov [dma_task_switched], 1
mov edi, [dma_slot_ptr]
mov eax, [0x3000]
mov eax, [CURRENT_TASK]
mov [dma_process], eax
mov eax, [0x3010]
mov eax, [TASK_BASE]
mov [dma_slot_ptr], eax
mov [0x3000], ebx
mov [0x3010], edi
mov [CURRENT_TASK], ebx
mov [TASK_BASE], edi
mov byte [0xFFFF], 1
call do_change_task
.noswitch:
@@ -668,11 +668,11 @@ hd_read_dma:
mov eax, [esp+4]
sub eax, [dma_cur_sector]
shl eax, 9
add eax, 0x284000
add eax, OS_BASE+0x284000
push ecx esi edi
mov esi, eax
shl edi, 9
add edi, 0x610000
add edi, OS_BASE+0x610000
mov ecx, 512/4
cld
rep movsd
@@ -681,9 +681,9 @@ hd_read_dma:
pop eax
ret
.notread:
mov eax, IDE_descriptor_table
mov dword [eax], 0x284000
mov word [eax+4], 0x2000
mov eax, IDE_descriptor_table-OS_BASE
mov dword [eax+OS_BASE], 0x284000
mov word [eax+4+OS_BASE], 0x2000
mov dx, [IDEContrRegsBaseAddr]
cmp [hdbase], 0x1F0
jz @f
@@ -734,9 +734,9 @@ hd_read_dma:
@@:
mov al, 9
out dx, al
mov eax, [0x3000]
mov eax, [CURRENT_TASK]
mov [dma_process], eax
mov eax, [0x3010]
mov eax, [TASK_BASE]
mov [dma_slot_ptr], eax
cmp [hdbase], 0x1F0
jnz .ide1
@@ -766,7 +766,7 @@ write_cache_chain:
mov eax, IDE_descriptor_table
mov edx, [cache_chain_pos]
shl edx, 9
add edx, 0x610000
add edx, OS_BASE+0x610000
mov [eax], edx
movzx edx, [cache_chain_size]
shl edx, 9
@@ -777,7 +777,7 @@ write_cache_sector:
mov eax, IDE_descriptor_table
mov edx, edi
shl edx, 9
add edx, 0x610000
add edx, OS_BASE+0x610000
mov [eax], edx
mov word [eax+4], 0x200
do_write_dma:
@@ -832,9 +832,9 @@ do_write_dma:
@@:
mov al, 1
out dx, al
mov eax, [0x3000]
mov eax, [CURRENT_TASK]
mov [dma_process], eax
mov eax, [0x3010]
mov eax, [TASK_BASE]
mov [dma_slot_ptr], eax
cmp [hdbase], 0x1F0
jnz .ide1