forked from KolibriOS/kolibrios
Mihail Semenyako (mike.dld)
e3172037f7
git-svn-id: svn://kolibrios.org@129 a494cfbc-eb01-0410-851d-a64ba20cac60
Advanced Power Management SYSTEM CALL eax = 70 dx = íîìåð ôóíêöèè APM BIOS (àíàëîãè÷åí ax â ðåàëüíîì ðåæèìå) îñòàëüíûå (bx, cx) ðåãèñòðû ïî ñïåöèôèêàöèè (ñì. apm.txt) ðåçóëüòàò : ïî ñïåöèôèêàöèè (âêëþ÷àÿ CF), ñòàðøàÿ ÷àñòü 32 áèòíûõ ðåãèñòðîâ íå îïðåäåëåíà MEMORY MAP Boot: 0x9040 - dword - entry point of APM BIOS 0x9044 - word - version (BCD) 0x9046 - word - flags ÈÇÌÅÍÅÍÈß sys32.inc syscall.inc kernel.asm bootcode.inc ##############[core\sys32.inc]##################### Òðè íîâûõ äåñêðèïòîðà ............. ............. ; GDT TABLE gdts: dw gdte-$-1 dd gdts dw 0 int_code_l: os_code_l: dw 0xffff dw 0x0000 db 0x00 dw 11011111b *256 +10011010b db 0x00 int_data_l: os_data_l: dw 0xffff dw 0x0000 db 0x00 dw 11011111b *256 +10010010b db 0x00 ; --------------- APM --------------------- apm_code_32: dw 0x10 ; limit 64kb db 0, 0, 0 dw 11011111b *256 +10011010b db 0x00 apm_code_16: dw 0x10 db 0, 0, 0 dw 10011111b *256 +10011010b db 0x00 apm_data_16: dw 0x10 db 0, 0, 0 dw 10011111b *256 +10010010b db 0x00 ; ----------------------------------------- app_code_l: dw ((0x80000000-std_application_base_address) shr 12) and 0xffff dw 0 db 0 dw 11010000b*256+11111010b+256*((0x80000000-std_application_base_address) shr 28) db std_application_base_address shr 24 app_data_l: dw (0x80000000-std_application_base_address) shr 12 and 0xffff dw 0 db 0 dw 11010000b*256+11110010b+256*((0x80000000-std_application_base_address) shr 28) db std_application_base_address shr 24 graph_data_l: dw 0x3ff dw 0x0000 db 0x00 dw 11010000b *256 +11110010b db 0x00 tss0_l: times (max_processes+10) dd 0,0 ............. ............. ##############[core\syscall.inc]################### ............. ............. dd undefined_syscall ; 65-UTF dd sys_process_def ; 66-Process definitions - keyboard dd sys_window_move ; 67-Window move or resize dd sys_internal_services ; 68-Some internal services dd sys_debug_services ; 69-Debug dd sys_apm ; 70-APM ............. ............. ##############[kernel.asm]######################### ×àñòü 1 (ïîñëå ìåòêè "; SAVE REAL MODE VARIABLES"): ............. ............. ; SAVE REAL MODE VARIABLES ; --------------- APM --------------------- mov eax, [0x2f0000 + 0x9040] ; entry point mov dword[apm_entry], eax mov word [apm_entry + 4], apm_code_32 - gdts mov eax, [0x2f0000 + 0x9044] ; version & flags mov [apm_vf], eax ; ----------------------------------------- ............. ............. ×àñòü 2 (ñèñòåìíûé âûçîâ, ðàñïîëîæåíèå íå êðèòè÷íî, ÿ ðàñïîëîæèë ïåðåä ìåòêîé "undefined_syscall:") ............. ............. ; --------------- APM --------------------- apm_entry dp 0 apm_vf dd 0 align 4 sys_apm: cmp word [apm_vf], 0 ; Check APM BIOS enable jne @f or [esp + 40], byte 1 ; error mov [esp + 36], dword 8 ; 32-bit protected-mode interface not supported ret @@: xchg eax, ecx xchg ebx, ecx cmp al, 3 ja @f and [esp + 40], byte 0xfe ; emulate func 0..3 as func 0 mov eax, [apm_vf] mov [esp + 36], eax shr eax, 16 mov [esp + 32], eax ret @@: call pword [apm_entry] ; call APM BIOS mov [esp + 8 ], edi mov [esp + 12], esi mov [esp + 24], ebx mov [esp + 28], edx mov [esp + 32], ecx mov [esp + 36], eax setc al and [esp + 40], byte 0xfe or [esp + 40], al ret ; ----------------------------------------- align 4 undefined_syscall: ; Undefined system call ............. ............. ##############[boot\bootcode.inc]################## Ïåðåä ìåòêîé "; DISPLAY VESA INFORMATION" ............. ............. ; --------------- APM --------------------- push 0 pop es mov word [es : 0x9044], 0 ; ver = 0.0 (APM not found) mov ax, 0x5300 xor bx, bx int 0x15 jc apm_end ; APM not found test cx, 2 jz apm_end ; APM 32-bit protected-mode interface not supported mov [es : 0x9044], ax ; Save APM Version mov [es : 0x9046], cx ; Save APM flags ; Write APM ver ---- jmp @f msg_apm:db ' APM x.x ', 0 @@: and ax, 0xf0f add ax, '00' mov [msg_apm - 0x10000 + 5], ah mov [msg_apm - 0x10000 + 7], al _setcursor 0, 3 mov si, msg_apm - 0x10000 call printplain _setcursor d80x25_top_num,0 ; ------------------ mov ax, 0x5304 ; Disconnect interface xor bx, bx int 0x15 mov ax, 0x5303 ; Connect 32 bit mode interface xor bx, bx int 0x15 ; init selectors movzx eax, ax ; real-mode segment base address of protected-mode 32-bit code segment shl eax, 4 mov [apm_code_32 - 0x10000 + 2], ax shr eax, 16 mov [apm_code_32 - 0x10000 + 4], al movzx ecx, cx ; real-mode segment base address of protected-mode 16-bit code segment shl ecx, 4 mov [apm_code_16 - 0x10000 + 2], cx shr ecx, 16 mov [apm_code_16 - 0x10000 + 4], cl movzx edx, dx ; real-mode segment base address of protected-mode 16-bit data segment shl edx, 4 mov [apm_data_16 - 0x10000 + 2], dx shr edx, 16 mov [apm_data_16 - 0x10000 + 4], dl mov [es : 0x9040], ebx ; offset of APM entry point apm_end: ; ----------------------------------------- ; DISPLAY VESA INFORMATION ............. .............