forked from KolibriOS/kolibrios
16Mb version
git-svn-id: svn://kolibrios.org@212 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
parent
763bc3ad70
commit
f96c2c867c
@ -1,5 +1,5 @@
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HEAP_BASE equ 0x01000000
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HEAP_BASE equ 0x00C00000
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;HEAP_SIZE equ 0x01000000
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struc MEM_BLOCK
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@ -126,7 +126,7 @@ proc init_kernel_heap
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mov [ebx+block_base], HEAP_BASE+4096*MEM_BLOCK_SIZE
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mov ecx, [MEM_AMOUNT]
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sub ecx, 0x01000000 + 4096*MEM_BLOCK_SIZE
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sub ecx, HEAP_BASE + 4096*MEM_BLOCK_SIZE
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mov [heap_size], ecx
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mov [heap_free], ecx
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mov [ebx+block_size], ecx
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@ -1,10 +1,11 @@
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tmp_page_tab equ 0x01000000
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tmp_page_tab equ 0x00C00000
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align 4
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proc mem_test
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mov eax, cr0
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or eax, (CR0_CD+CR0_NW);disable caching
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and eax, not (CR0_CD+CR0_NW)
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or eax, CR0_CD ;disable caching
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mov cr0, eax
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wbinvd ;invalidate cache
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@ -17,7 +18,7 @@ proc mem_test
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xchg ebx, dword [edi]
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je @b
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and eax, not (CR0_CD+CR0_NW)
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and eax, not (CR0_CD+CR0_NW) ;enable caching
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mov cr0, eax
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mov eax, edi
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ret
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@ -48,21 +49,21 @@ proc init_memEx
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mov dword [sys_pgdir+4], eax
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add eax, 0x00400000
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mov dword [sys_pgdir+8], eax
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add eax, 0x00400000
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mov dword [sys_pgdir+12], eax
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; add eax, 0x00400000
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; mov dword [sys_pgdir+12], eax
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mov dword [sys_pgdir+0x600], sys_pgdir+PG_SW
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mov ecx, [pg_data.kernel_tables]
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sub ecx, 4
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sub ecx, 3 ;4
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mov eax, tmp_page_tab+PG_SW
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mov edi, sys_pgdir+16
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mov edi, sys_pgdir+12 ;16
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jmp .map_kernel_tabs
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.no_PSE:
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mov eax, PG_SW
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mov esi, tmp_page_tab
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mov ecx, 4096/4 ;0x0 - 0x00FFFFFF
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mov ecx, 3072/4; 4096/4 ;0x0 - 0x00FFFFFF
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.map_low:
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mov [esi], eax
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add eax, 0x1000
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@ -91,10 +92,10 @@ proc init_memEx
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mov edi, tmp_page_tab
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bt [cpu_caps], CAPS_PSE
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jc @F
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add edi, 4096*4 ;skip low kernel memory
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add edi, 3072*4 ;4096*4 ;skip low kernel memory
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@@:
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mov ecx, [pg_data.kernel_tables]
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sub ecx, 4
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sub ecx, 3
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shl ecx, 10
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xor eax, eax
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cld
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@ -108,25 +109,25 @@ endp
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align 4
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proc init_page_map
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mov edi, sys_pgmap
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mov ecx, 512/4
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mov ecx, 384/4
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xor eax,eax
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cld
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rep stosd
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not eax
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mov ecx, [pg_data.pagemap_size]
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sub ecx, 512
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sub ecx, 384
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shr ecx, 2
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rep stosd
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mov edi, sys_pgmap+512
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mov edi, sys_pgmap+384
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mov edx, [pg_data.pages_count]
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mov ecx, [pg_data.kernel_tables]
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bt [cpu_caps], CAPS_PSE
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jnc @f
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sub ecx, 4
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sub ecx, 3
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@@:
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sub edx, 4096
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sub edx, 3072
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sub edx, ecx
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mov [pg_data.pages_free], edx
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@ -141,7 +142,7 @@ proc init_page_map
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shl eax, cl
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stosd
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mov [page_start], sys_pgmap+512
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mov [page_start], sys_pgmap+384
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mov ebx, sys_pgmap
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add ebx, [pg_data.pagemap_size]
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mov [page_end], ebx
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@ -372,7 +372,7 @@ B32:
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mov [pg_data.pagemap_size], eax
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shr edx, 10
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cmp edx, 4
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cmp edx, 3
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ja @f
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inc edx ;at least 4Mb for kernel heap
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@@:
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@ -126,9 +126,10 @@
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; 3F600 -> 3FFFF basic text font I
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; 40000 -> 4FFFF data of retrieved disks and partitions (Mario79)
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; 50000 -> 5FFFF free (64 Kb)
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; 50000 -> 50FFF main page directory
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; 50200 -> 5FFFF pages bitmap
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; 60000 -> 7FFFF reserved to physical memory manager
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; 60000 -> 7FFFF free (128 Kb)
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; 80000 -> 8FFFF additional app info, in 256 byte steps - 256 entries
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;
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; 00 11db name of app running
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@ -200,32 +201,28 @@
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; 770000 -> 777fff tcp memory ( 32 kb)
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;
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; 778000 -> 77ffff window skinning ( 32 kb)
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; 780000 -> 7fffff reserved to physical memory manager
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; 780000 -> 7fffff free (512 Kb)
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;
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; 800000 -> BFFFFF mapped to LFB
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;
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;
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; C00000 -> C01FFF draw_data - 256 entries
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; 800000 -> 801FFF draw_data - 256 entries
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;
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; 00 dword draw limit - x start
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; 04 dword draw limit - y start
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; 08 dword draw limit - x end
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; 0C dword draw limit - y end
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;
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; C02000 -> C02fff free (4 Kb)
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; 802000 -> 802fff free (4 Kb)
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;
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; C03000 -> D02fff sysint_stack_data
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; 803000 -> 902fff sysint_stack_data
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; - ring0 stacks for ring3 processes
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; - used for interrupt handling
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; - 256 entries * 4096 step
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;
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; D03000 -> D1ffff free (116 Kb)
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; 903000 -> 91ffff free (116 Kb)
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;
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; D20000 -> F28000 TSS and IO map for (8192*8)=65536 ports
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; (128+8192)*256 = 557956 = 0x88000
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;
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; 1000000 -> 3FFFFFF for applications
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; 920000 -> B28000 TSS and IO map for (8192*8)=65536 ports
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; (128+8192)*256 = 2129920 = 0x208000
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;
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; C00000 -> kernel heap
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