| 591,28 → 591,22 |
|---|
| |
| ; REDIRECT ALL IRQ'S TO INT'S 0x20-0x2f |
| |
| call rerouteirqs |
| call PIC_init |
| |
| ; Initialize system V86 machine |
| call init_sys_v86 |
| |
| ; TIMER SET TO 1/100 S |
| ; Initialize system timer (IRQ0) |
| call PIT_init |
| |
| mov al,0x34 ; set to 100Hz |
| out 0x43,al |
| mov al,0x9b ; lsb 1193180 / 1193 |
| out 0x40,al |
| mov al,0x2e ; msb |
| out 0x40,al |
| ; Try to Initialize APIC |
| call APIC_init |
| |
| ; Enable timer IRQ (IRQ0) and hard drives IRQs (IRQ14, IRQ15) |
| ; they are used: when partitions are scanned, hd_read relies on timer |
| ; Also enable IRQ2, because in some configurations |
| ; IRQs from slave controller are not delivered until IRQ2 on master is enabled |
| mov al, 0xFA |
| out 0x21, al |
| mov al, 0x3F |
| out 0xA1, al |
| call unmask_timer |
| stdcall enable_irq, 14 |
| stdcall enable_irq, 15 |
| |
| ; Enable interrupts in IDE controller |
| mov al, 0 |
| 662,6 → 656,13 |
|---|
| mov esi,boot_fonts |
| call boot_log |
| |
| ; Display APIC status |
| mov esi, boot_APIC_found |
| test dword[APIC], 0xffffffff |
| jnz @f |
| mov esi, boot_APIC_nfound |
| @@: call boot_log |
| |
| ; PRINT AMOUNT OF MEMORY |
| mov esi, boot_memdetect |
| call boot_log |
| 779,9 → 780,6 |
|---|
| mov [CPU_FREQ],eax ; save tsc / sec |
| ; mov ebx, 1000000 |
| ; div ebx |
| ; ¢®®¡é¥-â® ¯à®¨§¢®¤¨â¥«ì®áâì ¢ ¤ ®¬ ª®ªà¥â®¬ ¬¥á⥠|
| ; ᮢ¥à襮 ¥ªà¨â¨ç , ® çâ®¡ë § âªãâì «î¡¨â¥«¥© |
| ; ®¯â¨¬¨§¨àãîé¨å ª®¬¯¨«ïâ®à®¢ ... |
| mov edx, 2251799814 |
| mul edx |
| shr edx, 19 |
| 805,7 → 803,6 |
|---|
| |
| ; SET MOUSE |
| |
| ;call detect_devices |
| stdcall load_driver, szPS2MDriver |
| ; stdcall load_driver, szCOM_MDriver |
| |
| 904,7 → 901,7 |
|---|
| and al,00000010b |
| loopnz @b |
| |
| ; mov al, 0xED ; svetodiody - only for testing! |
| ; mov al, 0xED ; Keyboard LEDs - only for testing! |
| ; call kb_write |
| ; call kb_read |
| ; mov al, 111b |
| 963,8 → 960,9 |
|---|
| |
| end if |
| |
| ; START MULTITASKING |
| ;-=-=-=-=-=-=- START MULTITASKING -=-=-=-=-=-=-=-=- |
| |
| ; A 'All set - press ESC to start' messages if need |
| if preboot_blogesc |
| mov esi, boot_tasking |
| call boot_log |
| 973,7 → 971,6 |
|---|
| jne .bll1 |
| end if |
| |
| ; mov [ENABLE_TASKSWITCH],byte 1 ; multitasking enabled |
| |
| ; UNMASK ALL IRQ'S |
| |
| 994,8 → 991,12 |
|---|
| ; out 0xa0,al |
| ; |
| ; loop ready_for_irqs ; flush the queue |
| cli ;guarantee forbidance of interrupts. |
| stdcall enable_irq, 2 ; @#$%! PIC |
| stdcall enable_irq, 6 ; FDD |
| stdcall enable_irq, 13 ; co-processor |
| |
| stdcall attach_int_handler, 1, irq1, 0 |
| stdcall attach_int_handler, dword 1, irq1, dword 0 ; keyboard |
| |
| ; mov [dma_hdd],1 |
| cmp [IDEContrRegsBaseAddr], 0 |
| 1007,7 → 1008,6 |
|---|
| |
| jmp osloop |
| |
| ; jmp $ ; wait here for timer to take control |
| |
| ; Fly :) |
| |
| 1150,8 → 1150,8 |
|---|
| |
| setirqreadports: |
| |
| mov [irq12read+0],dword 0x60 + 0x01000000 ; read port 0x60 , byte |
| and dword [irq12read+4],0 ; end of port list |
| mov [irq00read+12*4*16],dword 0x60 + 0x01000000 ; read port 0x60 , byte |
| and dword [irq00read+12*4*16],0 ; end of port list |
| ; mov [irq12read+4],dword 0 ; end of port list |
| ;mov [irq04read+0],dword 0x3f8 + 0x01000000 ; read port 0x3f8 , byte |
| ;mov [irq04read+4],dword 0 ; end of port list |
| 3744,19 → 3744,19 |
|---|
| |
| push ecx |
| lea ecx, [irq_owner + 4 * ecx] |
| mov edx, [ecx] |
| mov edx, [ecx] ; IRQ owner PID |
| mov eax, [TASK_BASE] |
| mov edi, [eax + TASKDATA.pid] |
| mov edi, [eax + TASKDATA.pid] ; current task PID |
| pop eax |
| dec ebx |
| jnz reserve_irq |
| |
| cmp edx, edi |
| ; free irq |
| cmp edx, edi ; check owner |
| jne ril1 |
| dec esi |
| mov [ecx], esi |
| mov [ecx], esi ; esi = 0 |
| |
| jmp ril1 |
| jmp ril1 ; return successful |
| |
| reserve_irq: |
| |
| 3793,6 → 3793,18 |
|---|
| dd p_irq14 |
| dd p_irq15 |
| |
| ; I don`t known how to use IRQ_RESERVE |
| if IRQ_RESERVE > 16 |
| dd p_irq16 |
| dd p_irq17 |
| dd p_irq18 |
| dd p_irq19 |
| dd p_irq20 |
| dd p_irq21 |
| dd p_irq22 |
| dd p_irq23 |
| end if |
| |
| endg |
| |
| drawbackground: |
| 4286,64 → 4298,6 |
|---|
| ret |
| end if |
| |
| rerouteirqs: |
| |
| cli |
| |
| mov al,0x11 ; icw4, edge triggered |
| out 0x20,al |
| call pic_delay |
| out 0xA0,al |
| call pic_delay |
| |
| mov al,0x20 ; generate 0x20 + |
| out 0x21,al |
| call pic_delay |
| mov al,0x28 ; generate 0x28 + |
| out 0xA1,al |
| call pic_delay |
| |
| mov al,0x04 ; slave at irq2 |
| out 0x21,al |
| call pic_delay |
| mov al,0x02 ; at irq9 |
| out 0xA1,al |
| call pic_delay |
| |
| mov al,0x01 ; 8086 mode |
| out 0x21,al |
| call pic_delay |
| out 0xA1,al |
| call pic_delay |
| |
| mov al,255 ; mask all irq's |
| out 0xA1,al |
| call pic_delay |
| out 0x21,al |
| call pic_delay |
| |
| mov ecx,0x1000 |
| cld |
| picl1: call pic_delay |
| loop picl1 |
| |
| mov al,255 ; mask all irq's |
| out 0xA1,al |
| call pic_delay |
| out 0x21,al |
| call pic_delay |
| |
| cli |
| |
| ret |
| |
| |
| pic_delay: |
| |
| jmp pdl1 |
| pdl1: ret |
| |
| |
| sys_msg_board_str: |
| |
| pushad |
| 5118,9 → 5072,7 |
|---|
| |
| call restorefatchain |
| |
| mov al, 0xFF |
| out 0x21, al |
| out 0xA1, al |
| call IRQ_mask_all |
| |
| if 0 |
| mov word [OS_BASE+0x467+0],pr_mode_exit |