KolibriOS/kolibrios
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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
View File

@ -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

36
kernel/trunk/const.inc
View File

@ -282,6 +282,8 @@ RAMDISK equ (OS_BASE+0x0100000)
RAMDISK_FAT equ (OS_BASE+0x0280000)
FLOPPY_FAT equ (OS_BASE+0x0282000)
IDE_DMA equ 0x284000
BgrAuxTable equ (OS_BASE+0x0298000)
; unused?
SB16Buffer equ (OS_BASE+0x2A0000)
@ -292,30 +294,26 @@ RESERVED_PORTS equ (OS_BASE+0x02D0000)
IRQ_SAVE equ (OS_BASE+0x02E0000)
BOOT_VAR equ (OS_BASE+0x02f0000)
; DMA_HD_MEM equ 0x0300000
; HD_CACHE equ (OS_BASE+DMA_HD_MEM)
stack_data_start equ (OS_BASE+0x0300000)
eth_data_start equ (OS_BASE+0x0300000)
stack_data equ (OS_BASE+0x0304000)
stack_data_end equ (OS_BASE+0x031ffff)
resendQ equ (OS_BASE+0x0320000)
VMODE_BASE equ (OS_BASE+0x0328000)
skin_data equ (OS_BASE+0x0330000)
draw_data equ (OS_BASE+0x0338000);
stack_data_start equ (OS_BASE+0x0400000)
eth_data_start equ (OS_BASE+0x0400000)
stack_data equ (OS_BASE+0x0404000)
stack_data_end equ (OS_BASE+0x041ffff)
resendQ equ (OS_BASE+0x0420000)
VMODE_BASE equ (OS_BASE+0x0428000)
skin_data equ (OS_BASE+0x0430000)
draw_data equ (OS_BASE+0x0438000);
BgrDrawMode equ (OS_BASE+0x033BFF4)
BgrDataWidth equ (OS_BASE+0x033BFF8)
BgrDataHeight equ (OS_BASE+0x033BFFC)
WinMapAddress equ (OS_BASE+0x033C000)
display_data equ (OS_BASE+0x033C000) ;1024*1280=0x140000
virtual at (OS_BASE+0x043BF80)
virtual at (OS_BASE+0x047CF80)
tss TSS
end virtual
BgrDrawMode equ (OS_BASE+0x043EFF4)
BgrDataWidth equ (OS_BASE+0x043EFF8)
BgrDataHeight equ (OS_BASE+0x043EFFC)
WinMapAddress equ (OS_BASE+0x043F000)
display_data equ (OS_BASE+0x043F000)
sys_pgmap equ (OS_BASE+0x057F000)
sys_pgmap equ (OS_BASE+0x047F000)
HEAP_BASE equ (OS_BASE+0x0800000)
HEAP_MIN_SIZE equ 0x01000000

2
kernel/trunk/drivers/vmode.asm
View File

@ -16,7 +16,7 @@ use32
macro align value { rb (value-1) - ($ + value-1) mod value }
org OS_BASE+0x0428000
org OS_BASE+0x0328000
headerstart=$

8
kernel/trunk/init.inc
View File

@ -70,14 +70,6 @@ proc init_mem
mov ebx, cr4
or ebx, CR4_PSE
mov eax, PG_LARGE+PG_SW
; bt [cpu_caps-OS_BASE], CAPS_PGE
; jnc @F
; or eax, PG_GLOBAL
; or ebx, CR4_PGE
;
;@@:
mov cr4, ebx
dec [pg_data.kernel_tables-OS_BASE]

22
kernel/trunk/memmap.inc
View File

@ -207,27 +207,27 @@
; 0x802E0000 -> 2EFFFF irq data area
; 0x802F0000 -> 2FFFFF low memory save
;
; 0x80300000 -> 400000 hd cache
; 0x80400000 -> 41FFFF tcp memory 128 Kb
; 0x80420000 -> 427FFF tcp memory 32 Kb
; 0x80300000 -> 31FFFF tcp memory 128 Kb
; 0x80320000 -> 327FFF tcp memory 32 Kb
;
; 0x80428000 -> 42FFFF !vrr driver 32 Kb
; 0x80328000 -> 32FFFF !vrr driver 32 Kb
; 0x80430000 -> 477FFF skin data
; 0x80330000 -> 377FFF skin data
; 0x80438000 -> 43AFFF draw data - 256 entries
; 0x80338000 -> 33AFFF draw data - 256 entries
; 00 dword draw limit - x start
; 04 dword draw limit - y start
; 08 dword draw limit - x end
; 0C dword draw limit - y end
; 0x8043BF80 -> 43BFFF TSS 128 bytes
; 0x8043C000 -> 43DFFF IO map for (8192*8)=65536 ports
; 0x8033C000 -> 47BFFF display info
; 0x8043F000 -> 57EFFF display info
; 0x8057F000 -> 58FFFF page map max 128 Kb
; 0x8047CF80 -> 47CFFF TSS 128 bytes
; 0x8047D000 -> 47EFFF IO map for (8192*8)=65536 ports
; 0x8047F000 -> 48FFFF page map max 128 Kb
;
; 0x80800000 -> kernel heap
; 0x81FFFFFF heap min limit
; 0xFDBFFFFF heap max limit