| 58,6 → 58,8 |
|---|
| $Revision$ |
| |
| |
| fastcall equ call |
| |
| USE_COM_IRQ equ 1 ;make irq 3 and irq 4 available for PCI devices |
| |
| include "proc32.inc" |
| 320,7 → 322,8 |
|---|
| shr eax, 3 |
| and eax, -4 |
| mov [pg_data.pagemap_size], eax |
| |
| mov ecx, eax |
| fastcall _balloc |
| ret |
| |
| align 4 |
| 333,7 → 336,9 |
|---|
| cld |
| rep stosd |
| |
| mov ecx, 0x800000 ;reserve 8 Mb |
| xchg bx, bx |
| |
| mov ecx, [_last_page] |
| mov edx, [pg_data.pages_count] |
| shr ecx, 12 |
| sub edx, ecx |
| 395,6 → 400,43 |
|---|
| |
| call init_mem |
| |
| mov ecx, 1280*1024 |
| fastcall _balloc |
| mov [_display_data], eax |
| |
| mov ecx, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \ |
| (unpack.lc+unpack.lp)))*4 |
| fastcall _balloc |
| mov [unpack.p], eax |
| |
| mov ecx, (RING0_STACK_SIZE+512) |
| fastcall _balloc |
| mov [os_stack_seg], eax |
| |
| lea esp, [eax+RING0_STACK_SIZE] |
| |
| mov [tss._ss0], os_stack |
| mov [tss._esp0], esp |
| mov [tss._esp], esp |
| mov [tss._cs],os_code |
| mov [tss._ss],os_stack |
| mov [tss._ds],app_data |
| mov [tss._es],app_data |
| mov [tss._fs],app_data |
| mov [tss._gs],app_data |
| mov [tss._io],128 |
| ;Add IO access table - bit array of permitted ports |
| mov edi, tss._io_map_0 |
| xor eax, eax |
| not eax |
| mov ecx, 8192/4 |
| rep stosd ; access to 4096*8=65536 ports |
| |
| mov ax,tss0 |
| ltr ax |
| |
| call init_kernel_heap ; FIXME initialize heap after pager |
| |
| call init_page_map |
| |
| |
| 548,34 → 590,6 |
|---|
| call build_interrupt_table |
| lidt [idtreg] |
| |
| call init_kernel_heap |
| |
| stdcall alloc_pages, (RING0_STACK_SIZE+512) shr 12 |
| add eax, OS_BASE |
| mov [os_stack_seg], eax |
| |
| lea esp, [eax+RING0_STACK_SIZE] |
| |
| mov [tss._ss0], os_stack |
| mov [tss._esp0], esp |
| mov [tss._esp], esp |
| mov [tss._cs],os_code |
| mov [tss._ss],os_stack |
| mov [tss._ds],app_data |
| mov [tss._es],app_data |
| mov [tss._fs],app_data |
| mov [tss._gs],app_data |
| mov [tss._io],128 |
| ;Add IO access table - bit array of permitted ports |
| mov edi, tss._io_map_0 |
| xor eax, eax |
| not eax |
| mov ecx, 8192/4 |
| rep stosd ; access to 4096*8=65536 ports |
| |
| mov ax,tss0 |
| ltr ax |
| |
| mov [LFBSize], 0x800000 |
| call init_LFB |
| call init_fpu |
| 609,15 → 623,6 |
|---|
| add eax, ebx |
| mov [ipc_ptab], eax |
| |
| stdcall alloc_pages, (1280*1024)/4096 |
| add eax, OS_BASE |
| mov [_display_data], eax |
| |
| stdcall kernel_alloc, (unpack.LZMA_BASE_SIZE+(unpack.LZMA_LIT_SIZE shl \ |
| (unpack.lc+unpack.lp)))*4 |
| |
| mov [unpack.p], eax |
| |
| call init_events |
| mov eax, srv.fd-SRV_FD_OFFSET |
| mov [srv.fd], eax |
| 938,13 → 943,6 |
|---|
| and al,00000010b |
| loopnz @b |
| |
| ; mov al, 0xED ; svetodiody - only for testing! |
| ; call kb_write |
| ; call kb_read |
| ; mov al, 111b |
| ; call kb_write |
| ; call kb_read |
| |
| mov al, 0xF3 ; set repeat rate & delay |
| call kb_write |
| ; call kb_read |