forked from KolibriOS/kolibrios
1)fixed memory size in fn 18.16 & 18.17
2)added fn 18.20 - get extended memory info git-svn-id: svn://kolibrios.org@170 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
parent
6c854695d0
commit
9395f92693
@ -315,7 +315,6 @@ struc SYS_VARS
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dd ?
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}
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struc BOOT_DATA
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{ .bpp dd ?
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.scanline dd ?
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@ -127,7 +127,9 @@ 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, 0x00C00000 + 4096*MEM_BLOCK_SIZE
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sub ecx, 0x01000000 + 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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mov [ebx+block_flags], FREE_BLOCK
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@ -137,6 +139,8 @@ proc init_kernel_heap
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mov [mem_used_list], eax
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mov [mem_block_list+63*4], ebx
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mov byte [mem_block_map], 0xFC
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mov [heap_blocks], 4095
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mov [free_blocks], 4095
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ret
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endp
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@ -190,7 +194,6 @@ proc get_block stdcall, index:dword
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ret
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endp
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align 4
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proc alloc_mem_block
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@ -216,6 +219,7 @@ found:
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add eax,ebx
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shl eax, 5
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add eax, [mem_block_arr]
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dec [free_blocks]
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popfd
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ret
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endp
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@ -228,6 +232,7 @@ proc free_mem_block
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mov ebx, mem_block_map
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bts [ebx], eax
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inc [free_blocks]
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shr eax, 3
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and eax, not 3
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add eax, ebx
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@ -256,6 +261,8 @@ proc alloc_kernel_space stdcall, size:dword
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add eax, 0xFFF
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and eax, 0xFFFFF000;
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mov [size], eax
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cmp eax, [heap_free]
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ja .error
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shr eax, 12
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sub eax, 1
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@ -341,6 +348,8 @@ proc alloc_kernel_space stdcall, size:dword
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mov [esi+block_flags], USED_BLOCK
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mov [mem_used_list], esi
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mov eax, [esi+block_base]
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mov ebx, [size]
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sub [heap_free], ebx
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popfd
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ret
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@ -361,6 +370,8 @@ proc alloc_kernel_space stdcall, size:dword
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mov [mem_used_list], edi
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mov [edi+block_flags], USED_BLOCK
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mov eax, [edi+block_base]
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mov ebx, [size]
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sub [heap_free], ebx
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popfd
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ret
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.error:
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@ -386,6 +397,9 @@ proc free_kernel_space stdcall, base:dword
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cmp [esi+block_flags], USED_BLOCK
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jne .fail
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mov eax, [esi+block_size]
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add [heap_free], eax
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mov edi, [esi+block_next]
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test edi, edi
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jz .prev
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@ -111,75 +111,6 @@ proc init_memEx
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ret
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endp
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;align 4
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;proc init_mem
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;
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; xor eax, eax
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; mov edi, sys_pgdir
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; mov ecx, 2048
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; rep stosd
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;
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; bt [cpu_caps], CAPS_PSE
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; jc .use_PSE
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;
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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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;
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;.map_low:
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; mov [esi], eax
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; add eax, 0x1000
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; mov [esi+4], eax
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; add eax, 0x1000
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; mov [esi+8], eax
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; add eax, 0x1000
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; mov [esi+12], eax
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; add eax, 0x1000
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; add esi, 16
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; dec ecx
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; jnz .map_low ;ÿäðî
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; mov eax, tmp_page_tab+PG_SW
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; mov ecx, 4
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; xor ebx, ebx
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;.map_page_tables:
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; mov [sys_pgdir+ebx], eax
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; mov [sys_master_tab+ebx], eax
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; add eax, 0x1000
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; add ebx, 4
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; dec ecx
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; jnz .map_page_tables
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; mov dword [sys_pgdir+0x600], sys_master_tab+PG_SW
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; mov dword [sys_master_tab+0x600], sys_master_tab+PG_SW
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; ret
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;.use_PSE:
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; mov ebx, cr4
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; or ebx, CR4_PSE
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; mov eax, PG_LARGE+PG_SW
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; bt [cpu_caps], CAPS_PGE
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; jnc @F
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; or eax, PG_GLOBAL
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; or ebx, CR4_PGE
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;@@:
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; mov dword [sys_pgdir], eax
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; add eax, 0x00400000
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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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;
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; mov dword [sys_pgdir+0x600], sys_master_tab+PG_SW
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; mov dword [sys_master_tab+0x600], sys_master_tab+PG_SW
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; mov cr4, ebx
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; ret
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;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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@ -226,63 +157,6 @@ proc init_page_map
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ret
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endp
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;align 4
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;proc init_pg_mem
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;
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; mov edi, sys_pgmap
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; mov ecx, 512/4
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; xor eax,eax
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; cld
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; rep stosd
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;
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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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; shr ecx, 2
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; rep stosd
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;
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; shl eax, PAGES_USED
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; mov [sys_pgmap+512], eax
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;
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; mov [page_start], sys_pgmap+512
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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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; mov eax, [pg_data.pages_count]
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; sub eax, 4096+PAGES_USED
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; mov [pg_data.pages_free], eax
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;
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; mov [pg_data.pages_faults], 0
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;
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; mov edi, OS_BASE+0x01000000
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; mov esi, [pg_data.kernel_tables]
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; sub esi, 4
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; ja @f
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; mov esi, 1
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;@@:
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; call alloc_page
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; stdcall map_page_table, sys_pgdir, edi, eax
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; add edi, 0x00400000
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; dec esi
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; jnz @B
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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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; shl ecx, 10
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; mov edi, OS_BASE+0x01000000
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; shr edi, 10
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; add edi, pages_tab
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; xor eax, eax
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; cld
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; rep stosd
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;
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; mov eax, cr3
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; mov cr3, eax
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;
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; mov [pg_data.pg_mutex], 0
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; ret
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;endp
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align 4
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proc alloc_page
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@ -1025,19 +899,25 @@ proc sys_ipc_send stdcall, PID:dword, msg_addr:dword, msg_size:dword
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endp
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align 4
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proc get_mem_info stdcall, val:dword
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mov esi, [val]
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sysfn_meminfo:
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add ebx, new_app_base
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mov eax, [pg_data.pages_count]
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mov [esi], eax
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mov ebx, [pg_data.pages_free]
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mov [esi+4], ebx
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mov ecx, [pg_data.pages_faults]
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mov [esi+8], ecx
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mov [ebx], eax
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mov ecx, [pg_data.pages_free]
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mov [ebx+4], ecx
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mov edx, [pg_data.pages_faults]
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mov [ebx+8], edx
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mov esi, [heap_size]
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mov [ebx+12], esi
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mov edi, [heap_free]
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mov [ebx+16], edi
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mov eax, [heap_blocks]
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mov [ebx+20], eax
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mov ecx, [free_blocks]
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mov [ebx+24], ecx
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ret
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endp
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align 4
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new_services:
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@ -1045,17 +925,17 @@ new_services:
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cmp eax,4
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jle sys_sheduler
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cmp eax, 10
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cmp eax, 11
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jb .fail
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ja @f
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add ebx, new_app_base
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stdcall get_mem_info, ebx
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mov [esp+36], eax
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ret
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@@:
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cmp eax, 11
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ja @f
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; add ebx, new_app_base
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; stdcall get_mem_info, ebx
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; mov [esp+36], eax
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; ret
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;@@:
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; cmp eax, 11
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; ja @f
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stdcall init_heap, ebx
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mov [esp+36], eax
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@ -1355,7 +1235,6 @@ proc set_mtrr stdcall, reg:dword,base:dword,size:dword,mem_type:dword
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ret
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endp
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iglobal
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align 4
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intel_str db "GenuineIntel",0
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@ -1408,11 +1287,15 @@ align 16
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mem_block_start rd 1
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mem_block_end rd 1
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mem_block_mask rd 2
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heap_size rd 1
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heap_free rd 1
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heap_blocks rd 1
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free_blocks rd 1
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page_start rd 1
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page_end rd 1
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sys_page_map rd 1
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app_load rd 1
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; app_load rd 1
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endg
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@ -1421,7 +1304,6 @@ endg
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; mov edx, 0x400 ;bocsh
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; mov al,0xff ;bocsh
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; out dx, al ;bocsh
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; nop ;bocsh fix
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; pop edx
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; pop eax
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@ -298,25 +298,28 @@ e7:
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fxrstor [eax]
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restore_ring3_context
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iret
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.init:
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fninit ; ¬ ¥ ã¦ë ¥¬ ᪨஢ ë¥ ¨áª«î票ï
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mov dword [ebx+PROC_BASE+APPDATA.fpu_init], 1
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.exit:
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restore_ring3_context
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iret
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.no_SSE:
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fnsave [eax]
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mov ebx, [CURRENT_TASK]
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mov [fpu_owner], ebx
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shl ebx, 8
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cmp dword [ebx+PROC_BASE+APPDATA.fpu_init], 0
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je .init
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je .ready
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mov eax, [ebx+PROC_BASE+APPDATA.fpu_state]
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frstor [eax]
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restore_ring3_context
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iret
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.init:
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fninit ; ¬ ¥ ã¦ë ¥¬ ᪨஢ ë¥ ¨áª«î票ï
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.ready:
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mov dword [ebx+PROC_BASE+APPDATA.fpu_init], 1
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.exit:
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restore_ring3_context
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iret
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iglobal
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fpu_owner dd 1
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endg
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@ -1,3 +1,5 @@
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GREEDY_KERNEL equ 0; 1
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struc APP_HEADER_00
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{ .banner dq ?
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@ -134,18 +136,27 @@ proc create_app_space stdcall, app_size:dword,img_size:dword
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mov ebx, eax
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shr eax, 12
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mov [app_pages], eax
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add ebx, 0x3FFFFF
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and ebx, NOT(0x3FFFFF)
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shr ebx, 22
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mov [app_tabs], ebx
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mov eax, [img_size]
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add eax, 4095
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and eax, NOT(4095)
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mov ecx, [img_size]
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add ecx, 4095
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and ecx, NOT(4095)
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mov [img_size], eax
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shr eax, 12
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mov [img_pages], eax
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mov [img_size], ecx
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shr ecx, 12
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mov [img_pages], ecx
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if GREEDY_KERNEL
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lea eax, [ecx+ebx+2] ;only image size
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else
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lea eax, [eax+ebx+2] ;all requested memory
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end if
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cmp eax, [pg_data.pages_free]
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ja .fail
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call alloc_page
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test eax, eax
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@ -539,10 +550,12 @@ proc fs_exec stdcall file_name:dword, cmd_line:dword, flags:dword,\
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rep stosb
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; read header
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lea eax, [file_size]
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mov ebx, [eax]
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mov [img_size], ebx
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mov edi, TMP_BUFF
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call [fn_read]
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test eax, eax
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jnz .err
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@ -561,7 +574,11 @@ proc fs_exec stdcall file_name:dword, cmd_line:dword, flags:dword,\
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mov eax, cr3
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mov [save_cr3], eax
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stdcall create_app_space,[app_mem], [app_mem];[file_size]
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if GREEDY_KERNEL
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stdcall create_app_space,[app_mem],[img_size]
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else
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stdcall create_app_space,[app_mem],[app_mem]
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end if
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test eax, eax
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jz .failed
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@ -113,7 +113,7 @@ endp
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align 4
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proc update_stream
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locals
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stream_index dd 0
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stream_index dd ?
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endl
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mov [stream_index], 0
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@ -672,7 +672,6 @@ include 'vmodeld.inc'
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mov ax,tss0
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ltr ax
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; READ TSC / SECOND
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mov esi,boot_tsc
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@ -1912,6 +1911,7 @@ sys_end:
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jmp waitterm
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iglobal
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align 4
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sys_system_table:
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dd sysfn_shutdown ; 1 = system shutdown
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dd sysfn_terminate ; 2 = terminate thread
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@ -1933,6 +1933,7 @@ sys_system_table:
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dd sysfn_terminate2 ; 18 = terminate thread using PID
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; instead of slot
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dd sysfn_mouse_acceleration; 19 = set/get mouse acceleration
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dd sysfn_meminfo ; 20 = get extended memory info
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sysfn_num = ($ - sys_system_table)/4
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endg
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@ -2164,16 +2165,14 @@ sysfn_mouse_acceleration: ; 18.19 = set/get mouse features
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ret
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sysfn_getfreemem:
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mov eax,[MEM_FreeSpace]
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shl eax,2
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mov eax, [pg_data.pages_free]
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shl eax, 2
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mov [esp+36],eax
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ret
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sysfn_getallmem:
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mov eax,[0xFE8C]
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shr eax,10
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; mov eax,[MEM_AllSpace]
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; shl eax,2
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mov eax,[MEM_AMOUNT]
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shr eax, 10
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mov [esp+36],eax
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ret
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