From 9395f92693d978a0c9a391f1a39d8a1a4a9eb293 Mon Sep 17 00:00:00 2001 From: "Sergey Semyonov (Serge)" Date: Sun, 8 Oct 2006 07:48:38 +0000 Subject: [PATCH] 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 --- kernel/trunk/const.inc | 1 - kernel/trunk/core/heap.inc | 18 +++- kernel/trunk/core/memory.inc | 174 ++++++--------------------------- kernel/trunk/core/sys32.inc | 17 ++-- kernel/trunk/core/taskman.inc | 33 +++++-- kernel/trunk/docs/sysfuncr.txt | 2 +- kernel/trunk/drivers/mixer.asm | 2 +- kernel/trunk/kernel.asm | 15 ++- 8 files changed, 88 insertions(+), 174 deletions(-) diff --git a/kernel/trunk/const.inc b/kernel/trunk/const.inc index b8d55c1d19..dcffec721d 100644 --- a/kernel/trunk/const.inc +++ b/kernel/trunk/const.inc @@ -315,7 +315,6 @@ struc SYS_VARS dd ? } - struc BOOT_DATA { .bpp dd ? .scanline dd ? diff --git a/kernel/trunk/core/heap.inc b/kernel/trunk/core/heap.inc index 0ec41a5d39..b49b6973ee 100644 --- a/kernel/trunk/core/heap.inc +++ b/kernel/trunk/core/heap.inc @@ -127,7 +127,9 @@ proc init_kernel_heap mov [ebx+block_base], HEAP_BASE+4096*MEM_BLOCK_SIZE mov ecx, [MEM_AMOUNT] - sub ecx, 0x00C00000 + 4096*MEM_BLOCK_SIZE + sub ecx, 0x01000000 + 4096*MEM_BLOCK_SIZE + mov [heap_size], ecx + mov [heap_free], ecx mov [ebx+block_size], ecx mov [ebx+block_flags], FREE_BLOCK @@ -137,6 +139,8 @@ proc init_kernel_heap mov [mem_used_list], eax mov [mem_block_list+63*4], ebx mov byte [mem_block_map], 0xFC + mov [heap_blocks], 4095 + mov [free_blocks], 4095 ret endp @@ -190,7 +194,6 @@ proc get_block stdcall, index:dword ret endp - align 4 proc alloc_mem_block @@ -216,6 +219,7 @@ found: add eax,ebx shl eax, 5 add eax, [mem_block_arr] + dec [free_blocks] popfd ret endp @@ -228,6 +232,7 @@ proc free_mem_block mov ebx, mem_block_map bts [ebx], eax + inc [free_blocks] shr eax, 3 and eax, not 3 add eax, ebx @@ -256,6 +261,8 @@ proc alloc_kernel_space stdcall, size:dword add eax, 0xFFF and eax, 0xFFFFF000; mov [size], eax + cmp eax, [heap_free] + ja .error shr eax, 12 sub eax, 1 @@ -341,6 +348,8 @@ proc alloc_kernel_space stdcall, size:dword mov [esi+block_flags], USED_BLOCK mov [mem_used_list], esi mov eax, [esi+block_base] + mov ebx, [size] + sub [heap_free], ebx popfd ret @@ -361,6 +370,8 @@ proc alloc_kernel_space stdcall, size:dword mov [mem_used_list], edi mov [edi+block_flags], USED_BLOCK mov eax, [edi+block_base] + mov ebx, [size] + sub [heap_free], ebx popfd ret .error: @@ -386,6 +397,9 @@ proc free_kernel_space stdcall, base:dword cmp [esi+block_flags], USED_BLOCK jne .fail + mov eax, [esi+block_size] + add [heap_free], eax + mov edi, [esi+block_next] test edi, edi jz .prev diff --git a/kernel/trunk/core/memory.inc b/kernel/trunk/core/memory.inc index 6768e64f28..404eb6aec3 100644 --- a/kernel/trunk/core/memory.inc +++ b/kernel/trunk/core/memory.inc @@ -111,75 +111,6 @@ proc init_memEx ret endp -;align 4 -;proc init_mem -; -; xor eax, eax -; mov edi, sys_pgdir -; mov ecx, 2048 -; rep stosd -; -; bt [cpu_caps], CAPS_PSE -; jc .use_PSE -; -; mov eax, PG_SW -; mov esi, tmp_page_tab -; mov ecx, 4096/4 ;0x0 - 0x00FFFFFF -; -;.map_low: -; mov [esi], eax -; add eax, 0x1000 -; mov [esi+4], eax -; add eax, 0x1000 -; mov [esi+8], eax -; add eax, 0x1000 -; mov [esi+12], eax -; add eax, 0x1000 -; add esi, 16 -; dec ecx -; jnz .map_low ; фЁю - -; mov eax, tmp_page_tab+PG_SW -; mov ecx, 4 -; xor ebx, ebx - -;.map_page_tables: -; mov [sys_pgdir+ebx], eax -; mov [sys_master_tab+ebx], eax -; add eax, 0x1000 -; add ebx, 4 -; dec ecx -; jnz .map_page_tables - -; mov dword [sys_pgdir+0x600], sys_master_tab+PG_SW -; mov dword [sys_master_tab+0x600], sys_master_tab+PG_SW - -; ret - -;.use_PSE: -; mov ebx, cr4 -; or ebx, CR4_PSE -; mov eax, PG_LARGE+PG_SW -; bt [cpu_caps], CAPS_PGE -; jnc @F -; or eax, PG_GLOBAL -; or ebx, CR4_PGE -;@@: -; mov dword [sys_pgdir], eax -; add eax, 0x00400000 -; mov dword [sys_pgdir+4], eax -; add eax, 0x00400000 -; mov dword [sys_pgdir+8], eax -; add eax, 0x00400000 -; mov dword [sys_pgdir+12], eax -; -; mov dword [sys_pgdir+0x600], sys_master_tab+PG_SW -; mov dword [sys_master_tab+0x600], sys_master_tab+PG_SW - -; mov cr4, ebx -; ret -;endp - align 4 proc init_page_map mov edi, sys_pgmap @@ -226,63 +157,6 @@ proc init_page_map ret endp -;align 4 -;proc init_pg_mem -; -; mov edi, sys_pgmap -; mov ecx, 512/4 -; xor eax,eax -; cld -; rep stosd -; -; not eax -; mov ecx, [pg_data.pagemap_size] -; sub ecx, 512 -; shr ecx, 2 -; rep stosd -; -; shl eax, PAGES_USED -; mov [sys_pgmap+512], eax -; -; mov [page_start], sys_pgmap+512 -; mov ebx, sys_pgmap -; add ebx, [pg_data.pagemap_size] -; mov [page_end], ebx -; mov eax, [pg_data.pages_count] -; sub eax, 4096+PAGES_USED -; mov [pg_data.pages_free], eax -; -; mov [pg_data.pages_faults], 0 -; -; mov edi, OS_BASE+0x01000000 -; mov esi, [pg_data.kernel_tables] -; sub esi, 4 -; ja @f -; mov esi, 1 -;@@: -; call alloc_page -; stdcall map_page_table, sys_pgdir, edi, eax -; add edi, 0x00400000 -; dec esi -; jnz @B -; -; mov ecx, [pg_data.kernel_tables] -; sub ecx, 4 -; shl ecx, 10 -; mov edi, OS_BASE+0x01000000 -; shr edi, 10 -; add edi, pages_tab -; xor eax, eax -; cld -; rep stosd -; -; mov eax, cr3 -; mov cr3, eax -; -; mov [pg_data.pg_mutex], 0 -; ret -;endp - align 4 proc alloc_page @@ -1025,19 +899,25 @@ proc sys_ipc_send stdcall, PID:dword, msg_addr:dword, msg_size:dword endp align 4 -proc get_mem_info stdcall, val:dword - - mov esi, [val] +sysfn_meminfo: + add ebx, new_app_base mov eax, [pg_data.pages_count] - mov [esi], eax - mov ebx, [pg_data.pages_free] - mov [esi+4], ebx - mov ecx, [pg_data.pages_faults] - mov [esi+8], ecx + mov [ebx], eax + mov ecx, [pg_data.pages_free] + mov [ebx+4], ecx + mov edx, [pg_data.pages_faults] + mov [ebx+8], edx + mov esi, [heap_size] + mov [ebx+12], esi + mov edi, [heap_free] + mov [ebx+16], edi + mov eax, [heap_blocks] + mov [ebx+20], eax + mov ecx, [free_blocks] + mov [ebx+24], ecx ret -endp align 4 new_services: @@ -1045,17 +925,17 @@ new_services: cmp eax,4 jle sys_sheduler - cmp eax, 10 + cmp eax, 11 jb .fail ja @f - add ebx, new_app_base - stdcall get_mem_info, ebx - mov [esp+36], eax - ret -@@: - cmp eax, 11 - ja @f +; add ebx, new_app_base +; stdcall get_mem_info, ebx +; mov [esp+36], eax +; ret +;@@: +; cmp eax, 11 +; ja @f stdcall init_heap, ebx mov [esp+36], eax @@ -1355,7 +1235,6 @@ proc set_mtrr stdcall, reg:dword,base:dword,size:dword,mem_type:dword ret endp - iglobal align 4 intel_str db "GenuineIntel",0 @@ -1408,11 +1287,15 @@ align 16 mem_block_start rd 1 mem_block_end rd 1 mem_block_mask rd 2 + heap_size rd 1 + heap_free rd 1 + heap_blocks rd 1 + free_blocks rd 1 page_start rd 1 page_end rd 1 sys_page_map rd 1 - app_load rd 1 +; app_load rd 1 endg @@ -1421,7 +1304,6 @@ endg ; mov edx, 0x400 ;bocsh ; mov al,0xff ;bocsh ; out dx, al ;bocsh -; nop ;bocsh fix ; pop edx ; pop eax diff --git a/kernel/trunk/core/sys32.inc b/kernel/trunk/core/sys32.inc index 7a25a724b4..1fa09be318 100644 --- a/kernel/trunk/core/sys32.inc +++ b/kernel/trunk/core/sys32.inc @@ -298,25 +298,28 @@ e7: fxrstor [eax] restore_ring3_context iret -.init: - fninit ;нам не нужны немаскированные исключения - mov dword [ebx+PROC_BASE+APPDATA.fpu_init], 1 -.exit: - restore_ring3_context - iret + .no_SSE: fnsave [eax] mov ebx, [CURRENT_TASK] mov [fpu_owner], ebx shl ebx, 8 cmp dword [ebx+PROC_BASE+APPDATA.fpu_init], 0 - je .init + je .ready mov eax, [ebx+PROC_BASE+APPDATA.fpu_state] frstor [eax] restore_ring3_context iret +.init: + fninit ;нам не нужны немаскированные исключения +.ready: + mov dword [ebx+PROC_BASE+APPDATA.fpu_init], 1 +.exit: + restore_ring3_context + iret + iglobal fpu_owner dd 1 endg diff --git a/kernel/trunk/core/taskman.inc b/kernel/trunk/core/taskman.inc index 8fae26aa94..a3098884de 100644 --- a/kernel/trunk/core/taskman.inc +++ b/kernel/trunk/core/taskman.inc @@ -1,3 +1,5 @@ +GREEDY_KERNEL equ 0; 1 + struc APP_HEADER_00 { .banner dq ? @@ -134,18 +136,27 @@ proc create_app_space stdcall, app_size:dword,img_size:dword mov ebx, eax shr eax, 12 mov [app_pages], eax + add ebx, 0x3FFFFF and ebx, NOT(0x3FFFFF) shr ebx, 22 mov [app_tabs], ebx - mov eax, [img_size] - add eax, 4095 - and eax, NOT(4095) + mov ecx, [img_size] + add ecx, 4095 + and ecx, NOT(4095) - mov [img_size], eax - shr eax, 12 - mov [img_pages], eax + mov [img_size], ecx + shr ecx, 12 + mov [img_pages], ecx + + if GREEDY_KERNEL + lea eax, [ecx+ebx+2] ;only image size + else + lea eax, [eax+ebx+2] ;all requested memory + end if + cmp eax, [pg_data.pages_free] + ja .fail call alloc_page test eax, eax @@ -539,10 +550,12 @@ proc fs_exec stdcall file_name:dword, cmd_line:dword, flags:dword,\ rep stosb ; read header - lea eax, [file_size] + mov ebx, [eax] + mov [img_size], ebx mov edi, TMP_BUFF call [fn_read] + test eax, eax jnz .err @@ -561,7 +574,11 @@ proc fs_exec stdcall file_name:dword, cmd_line:dword, flags:dword,\ mov eax, cr3 mov [save_cr3], eax - stdcall create_app_space,[app_mem], [app_mem];[file_size] + if GREEDY_KERNEL + stdcall create_app_space,[app_mem],[img_size] + else + stdcall create_app_space,[app_mem],[app_mem] + end if test eax, eax jz .failed diff --git a/kernel/trunk/docs/sysfuncr.txt b/kernel/trunk/docs/sysfuncr.txt index b97ccb56e8..56a3be41a3 100644 --- a/kernel/trunk/docs/sysfuncr.txt +++ b/kernel/trunk/docs/sysfuncr.txt @@ -4481,4 +4481,4 @@ Architecture Software Developer's Manual, Volume 3, Appendix B); При запуске программы возможны также следующие коды ошибок: * 30 = 0x1E = недостаточно памяти * 31 = 0x1F = файл не является исполнимым - * 32 = 0x20 = слишком много процессов + * 32 = 0x20 = слишком много процессов diff --git a/kernel/trunk/drivers/mixer.asm b/kernel/trunk/drivers/mixer.asm index 72d90deb68..49d6a3e240 100644 --- a/kernel/trunk/drivers/mixer.asm +++ b/kernel/trunk/drivers/mixer.asm @@ -113,7 +113,7 @@ endp align 4 proc update_stream locals - stream_index dd 0 + stream_index dd ? endl mov [stream_index], 0 diff --git a/kernel/trunk/kernel.asm b/kernel/trunk/kernel.asm index 322b8715d6..18fdd70e3b 100644 --- a/kernel/trunk/kernel.asm +++ b/kernel/trunk/kernel.asm @@ -672,7 +672,6 @@ include 'vmodeld.inc' mov ax,tss0 ltr ax - ; READ TSC / SECOND mov esi,boot_tsc @@ -1912,6 +1911,7 @@ sys_end: jmp waitterm iglobal +align 4 sys_system_table: dd sysfn_shutdown ; 1 = system shutdown dd sysfn_terminate ; 2 = terminate thread @@ -1933,6 +1933,7 @@ sys_system_table: dd sysfn_terminate2 ; 18 = terminate thread using PID ; instead of slot dd sysfn_mouse_acceleration; 19 = set/get mouse acceleration + dd sysfn_meminfo ; 20 = get extended memory info sysfn_num = ($ - sys_system_table)/4 endg @@ -2164,16 +2165,14 @@ sysfn_mouse_acceleration: ; 18.19 = set/get mouse features ret sysfn_getfreemem: - mov eax,[MEM_FreeSpace] - shl eax,2 - mov [esp+36],eax + mov eax, [pg_data.pages_free] + shl eax, 2 + mov [esp+36],eax ret sysfn_getallmem: - mov eax,[0xFE8C] - shr eax,10 -; mov eax,[MEM_AllSpace] -; shl eax,2 + mov eax,[MEM_AMOUNT] + shr eax, 10 mov [esp+36],eax ret