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align heap_base on 4Mb border

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move sys_pgmap at the top of kernel memory

git-svn-id: svn://kolibrios.org@513 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge) 2007-05-20 10:01:18 +00:00
parent 0b7151a256
commit 4c1ad6f2c7
5 changed files with 47 additions and 47 deletions
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11
kernel/trunk/const.inc
View File

@ -266,6 +266,9 @@ TMP_STACK_TOP equ 0x003EC00
FONT_II equ (OS_BASE+0x003EC00)
FONT_I equ (OS_BASE+0x003F600)
DRIVE_DATA equ (OS_BASE+0x0040000)
sys_pgdir equ (OS_BASE+0x0050000)
SLOT_BASE equ (OS_BASE+0x0080000)
;unused
@ -304,9 +307,10 @@ end virtual
WinMapAddress equ (OS_BASE+0x043F000)
display_data equ (OS_BASE+0x043F000)
tmp_page_tab equ 0x057F000;
sys_pgmap equ (OS_BASE+0x057F000)
HEAP_BASE equ (OS_BASE+tmp_page_tab)
HEAP_BASE equ (OS_BASE+0x0800000)
HEAP_MIN_SIZE equ 0x01000000
page_tabs equ 0xFDC00000
@ -316,9 +320,6 @@ master_tab equ (page_tabs+ (page_tabs shr 10)) ;0xFDFF70000
LFB_BASE equ 0xFE000000
sys_pgdir equ (OS_BASE+0x00050000)
sys_pgmap equ (OS_BASE+0x00052000)
new_app_base equ 0;

2
kernel/trunk/fs/parse_fn.inc
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@ -12,7 +12,7 @@ full_file_name_table dd 0 ; 㪠
; ¯¥à¥¡¨à ¥â ¯® ä ©«ã ¢ à¨ ­âë § ¬¥­
proc full_file_name stdcall,sourc,dest
locals
tmpsrc rb 60 ; ¢à¥¬¥­­®¥ åà ­¥­¨¥ ¯à¥®¡à §®¢ ­¨ï
tmpsrc rb 260 ; ¢à¥¬¥­­®¥ åà ­¥­¨¥ ¯à¥®¡à §®¢ ­¨ï
endl
pushad
mov esi,[sourc]

42
kernel/trunk/init.inc
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@ -40,6 +40,10 @@ proc init_mem
shr eax, 3
mov [pg_data.pagemap_size-OS_BASE], eax
add eax, (sys_pgmap-OS_BASE)+4095
and eax, not 4095
mov [tmp_page_tabs], eax
cmp edx, (OS_BASE/4096)
jbe @F
mov edx, (OS_BASE/4096)
@ -74,21 +78,23 @@ proc init_mem
or ebx, CR4_PGE
@@:
mov cr4, ebx
sub [pg_data.kernel_tables-OS_BASE], 1
dec [pg_data.kernel_tables-OS_BASE]
mov [edx], eax
add eax, 0x00400000
; mov [edx+4], eax
add edx, 4
mov eax, 0x400000+PG_SW
mov ecx, (tmp_page_tab-0x400000)/4096
mov ecx, [tmp_page_tabs]
sub ecx, 0x400000
shr ecx, 12 ;ecx/=4096
jmp .map_low
.no_PSE:
mov eax, PG_SW
mov ecx, tmp_page_tab/4096
mov ecx, [tmp_page_tabs]
shr ecx, 12
.map_low:
mov edi, tmp_page_tab
mov edi, [tmp_page_tabs]
@@: ;
stosd
add eax, 0x1000
@ -101,7 +107,8 @@ proc init_mem
rep stosd
mov ecx, [pg_data.kernel_tables-OS_BASE]
mov eax, tmp_page_tab+PG_SW
mov eax, [tmp_page_tabs]
or eax, PG_SW
mov edi, edx
.map_kernel_tabs:
@ -131,29 +138,23 @@ align 4
proc init_page_map
mov edi, sys_pgmap-OS_BASE
mov ecx, ((HEAP_BASE-OS_BASE)/4096)/32 ;384/4
mov ebx, ecx
xor eax,eax
mov ecx, [pg_data.pagemap_size-OS_BASE]
shr ecx, 2
or eax, -1
cld
rep stosd
not eax
mov ecx, [pg_data.pagemap_size-OS_BASE]
sub ecx, ebx
shr ecx, 2
rep stosd
lea edi, [sys_pgmap-OS_BASE+ebx*4] ;+384
mov ecx, [tmp_page_tabs]
mov edx, [pg_data.pages_count-OS_BASE]
mov ecx, [pg_data.kernel_tables-OS_BASE]
add ecx, ((HEAP_BASE-OS_BASE)/4096) and 31
sub edx, (HEAP_BASE-OS_BASE)/4096
shr ecx, 12
add ecx, [pg_data.kernel_tables-OS_BASE]
sub edx, ecx
mov [pg_data.pages_free-OS_BASE], edx
xor eax, eax
mov edi, sys_pgmap-OS_BASE
mov ebx, ecx
shr ecx, 5
xor eax, eax
rep stosd
not eax
@ -169,7 +170,6 @@ proc init_page_map
mov [page_end-OS_BASE], ebx
mov [pg_data.pg_mutex-OS_BASE], 0
ret
endp

3
kernel/trunk/kernel.asm
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@ -251,7 +251,8 @@ B32:
lgdt [gdts]
jmp pword os_code:high_code
align 4
tmp_page_tabs dd ?
use16
org $-0x10000
include "boot/shutdown.inc" ; shutdown or restart

36
kernel/trunk/memmap.inc
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@ -128,9 +128,8 @@
; 0x80040000 -> 4FFFF data of retrieved disks and partitions (Mario79)
; 0x80050000 -> 50FFF main page directory
; 0x80050200 -> 5FFFF pages bitmap
; 0x80051000 -> 7FFFF free (188 Kb)
; 0x80060000 -> 7FFFF free (128 Kb)
; 0x80080000 -> 8FFFF additional app info, in 256 byte steps - 256 entries
;
; 00 11db name of app running
@ -205,29 +204,28 @@
; 0x802E0000 -> 2EFFFF irq data area
; 0x802F0000 -> 2FFFFF low memory save
;
; 0x80300000 -> 45FFFF background image, max 1,375 M
; 0x80300000 -> 400000 hd cache
; 0x80400000 -> 41FFFF tcp memory 128 Kb
; 0x80420000 -> 427FFF tcp memory 32 Kb
;
; 0x80460000 -> 5FFFFF display info
;
; 0x80600000 -> 6FFFFF hd cache
;
; 0x80700000 -> 71ffff tcp memory 128 Kb
; 0x80720000 -> 75ffff free (256 kb)
;
; 0x80760000 -> 76ffff !vrr driver
; 0x80770000 -> 777fff tcp memory 32 Kb
;
; 0x80780000 -> 0x80782FFF draw data - 256 entries
; 0x80428000 -> 42FFFF !vrr driver 32 Kb
; 0x80430000 -> 477FFF skin data
; 0x80438000 -> 43AFFF 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
; 0x8043F000 -> 57EFFF display info
; 0x8057F000 -> 58FFFF page map max 128 Kb
;
; 0x80783F80 -> 0x80783FFF TSS 128 bytes
;
; 0x80784000 -> 0x80785FFF IO map for (8192*8)=65536 ports
;
; 0x80786000 -> kernel heap
; 0x80800000 -> kernel heap
; 0x81FFFFFF heap min limit
; 0xFDBFFFFF heap max limit