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reduce core memory

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git-svn-id: svn://kolibrios.org@581 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2007-07-16 16:19:43 +00:00
parent b229fdc2c2
commit b26531da12
5 changed files with 43 additions and 53 deletions
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28
kernel/trunk/blkdev/hd_drv.inc
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@@ -22,7 +22,7 @@ hd_read:
; mov esi,HD_CACHE+8
call calculate_cache
add esi,8
mov edi,1
hdreadcache:
@@ -71,7 +71,7 @@ hd_read:
call calculate_cache_2
add esi,eax
pop eax
mov edi,ebx
mov ecx,512/4
cld
@@ -129,7 +129,7 @@ hd_read_pio:
call calculate_cache_2
add edi,eax
pop eax
mov ecx,256
mov edx,[hdbase]
cld
@@ -170,7 +170,7 @@ hd_write:
; mov esi,HD_CACHE+8
call calculate_cache
add esi,8
mov edi,1
hdwritecache:
@@ -213,7 +213,7 @@ hd_write:
call calculate_cache_2
add edi,eax
pop eax
mov esi,ebx
mov ecx,512/4
cld
@@ -225,7 +225,7 @@ hd_write:
align 4
cache_write_pio:
; call disable_ide_int
call wait_for_hd_idle
cmp [hd_error],0
jne hd_write_error
@@ -273,7 +273,7 @@ cache_write_pio:
call calculate_cache_2
add esi,eax
pop eax
mov ecx,256
mov edx,[hdbase]
cld
@@ -470,7 +470,7 @@ iglobal
align 4
; note that IDE descriptor table must be 4-byte aligned and do not cross 4K boundary
IDE_descriptor_table:
dd 0x284000
dd IDE_DMA
dw 0x2000
dw 0x8000
@@ -564,7 +564,7 @@ hd_read_dma:
mov eax, [esp+4]
sub eax, [dma_cur_sector]
shl eax, 9
add eax, OS_BASE+0x284000
add eax, (OS_BASE+IDE_DMA)
push ecx esi edi
mov esi, eax
shl edi, 9
@@ -573,7 +573,7 @@ hd_read_dma:
call calculate_cache_2
add edi,eax
pop eax
mov ecx, 512/4
cld
rep movsd
@@ -583,7 +583,7 @@ hd_read_dma:
ret
.notread:
mov eax, IDE_descriptor_table
mov dword [eax], 0x284000
mov dword [eax], IDE_DMA
mov word [eax+4], 0x2000
sub eax, OS_BASE
mov dx, [IDEContrRegsBaseAddr]
@@ -666,7 +666,7 @@ align 4
write_cache_sector:
mov [cache_chain_size],1
mov [cache_chain_pos],edi
write_cache_chain:
write_cache_chain:
push esi
mov eax, IDE_descriptor_table
mov edx,eax
@@ -675,8 +675,8 @@ write_cache_chain:
shl esi, 9
call calculate_cache_2
add esi,eax
mov edi,OS_BASE+0x284000 ;HD_CACHE
mov dword [edx], 0x284000 ;DMA_HD_MEM
mov edi, (OS_BASE+IDE_DMA)
mov dword [edx], IDE_DMA
movzx ecx, [cache_chain_size]
shl ecx, 9
mov word [edx+4], cx