| 129,10 → 129,14 |
|---|
| public _rd_root |
| public _rd_root_end |
| |
| |
| extrn __edata |
| |
| extrn _16bit_start |
| extrn _16bit_end |
| |
| extrn _enter_bootscreen |
| extrn _poweroff |
| |
| extrn _init |
| extrn _init_mm |
| 213,31 → 217,6 |
|---|
| mov [cpu_caps], eax |
| mov [cpu_caps+4], eax |
| |
| pushfd |
| pop eax |
| mov ecx, eax |
| xor eax, 0x40000 |
| push eax |
| popfd |
| pushfd |
| pop eax |
| xor eax, ecx |
| mov [cpu_type], CPU_386 |
| jz .end_cpuid |
| push ecx |
| popfd |
| |
| mov [cpu_type], CPU_486 |
| mov eax, ecx |
| xor eax, 0x200000 |
| push eax |
| popfd |
| pushfd |
| pop eax |
| xor eax, ecx |
| je .end_cpuid |
| mov [cpu_id], 1 |
| |
| xor eax, eax |
| cpuid |
| |
| 299,6 → 278,9 |
|---|
| endp |
| |
| align 4 |
| _copy_pg_balloc dd 0 |
| |
| |
| _high_code: |
| |
| mov ax,os_stack |
| 331,6 → 313,9 |
|---|
| call test_cpu |
| call _init |
| |
| mov eax, [_pg_balloc] |
| mov [_copy_pg_balloc], eax |
| |
| mov [tss._ss0], os_stack |
| mov [tss._esp0], __os_stack |
| mov [tss._esp], __os_stack |
| 351,6 → 336,8 |
|---|
| mov ax,tss0 |
| ltr ax |
| |
| __core_restart: |
| |
| mov ecx, 1280*1024 |
| fastcall _balloc |
| mov [_display_data], eax |
| 5171,128 → 5158,77 |
|---|
| call sys_cd_audio |
| |
| yes_shutdown_param: |
| |
| cli |
| |
| mov eax, kernel_file ; load kernel.mnt to 0x7000:0 |
| push 12 |
| pop esi |
| xor ebx,ebx |
| or ecx,-1 |
| mov edx, OS_BASE+0x70000 |
| call fileread |
| cmp byte [BOOT_VAR+0x9030], 3 |
| je _sys_reboot |
| |
| ; mov esi, restart_kernel_4000+OS_BASE+0x10000 ; move kernel re-starter to 0x4000:0 |
| ; mov edi,OS_BASE+0x40000 |
| ; mov ecx,1000 |
| ; rep movsb |
| cmp byte [BOOT_VAR+0x9030], 4 |
| je _sys_restart |
| |
| cld |
| mov esi, BOOT_VAR ; restore 0x0 - 0xffff |
| mov edi, OS_BASE |
| mov ecx,0x10000/4 |
| cld |
| rep movsd |
| |
| call restorefatchain |
| mov esi, _16bit_start + OS_BASE |
| mov ecx, _16bit_end |
| shr ecx, 2 |
| mov edi, _16BIT_BASE + OS_BASE |
| rep movsd |
| |
| mov al, 0xFF |
| out 0x21, al |
| out 0xA1, al |
| mov dword [_sys_pdbr], PG_LARGE+PG_SW |
| mov eax, _sys_pdbr + (0x100000000-OS_BASE) |
| mov cr3, eax |
| |
| if 1 |
| ; mov word [OS_BASE+0x467+0],pr_mode_exit |
| ; mov word [OS_BASE+0x467+2],0x1000 |
| jmp far 0x60:_poweroff; |
| |
| mov al,0x0F |
| out 0x70,al |
| mov al,0x05 |
| out 0x71,al |
| |
| mov al,0xFE |
| out 0x64,al |
| _sys_restart: |
| |
| hlt |
| mov ax,os_stack |
| mov dx,app_data |
| mov ss,ax |
| mov esp, __os_stack |
| |
| else |
| cmp byte [OS_BASE + 0x9030], 2 |
| jnz no_acpi_power_off |
| mov ds, dx |
| mov es, dx |
| mov fs, dx |
| mov gs, dx |
| |
| ; scan for RSDP |
| ; 1) The first 1 Kb of the Extended BIOS Data Area (EBDA). |
| movzx eax, word [OS_BASE + 0x40E] |
| shl eax, 4 |
| jz @f |
| mov ecx, 1024/16 |
| call scan_rsdp |
| jnc .rsdp_found |
| @@: |
| ; 2) The BIOS read-only memory space between 0E0000h and 0FFFFFh. |
| mov eax, 0xE0000 |
| mov ecx, 0x2000 |
| call scan_rsdp |
| jc no_acpi_power_off |
| .rsdp_found: |
| mov esi, [eax+16] ; esi contains physical address of the RSDT |
| mov ebp, [ipc_tmp] |
| stdcall map_page, ebp, esi, PG_MAP |
| lea eax, [esi+1000h] |
| lea edx, [ebp+1000h] |
| stdcall map_page, edx, eax, PG_MAP |
| and esi, 0xFFF |
| add esi, ebp |
| cmp dword [esi], 'RSDT' |
| jnz no_acpi_power_off |
| mov ecx, [esi+4] |
| sub ecx, 24h |
| jbe no_acpi_power_off |
| call restorefatchain |
| |
| cld |
| mov esi, BOOT_VAR ; restore 0x0 - 0xffff |
| mov edi, OS_BASE |
| mov ecx,0x10000/4 |
| rep movsd |
| |
| mov eax, [_copy_pg_balloc] |
| mov [_pg_balloc], eax |
| |
| mov dword [_sys_pdbr], PG_LARGE+PG_SW |
| mov eax, _sys_pdbr + (0x100000000-OS_BASE) |
| mov cr3, eax |
| |
| mov ecx, LAST_PAGE |
| mov edi, cur_saved_data |
| sub edi, OS_BASE |
| sub ecx, edi |
| shr ecx, 2 |
| add esi, 24h |
| .scan_fadt: |
| lodsd |
| mov ebx, eax |
| lea eax, [ebp+2000h] |
| stdcall map_page, eax, ebx, PG_MAP |
| lea eax, [ebp+3000h] |
| add ebx, 0x1000 |
| stdcall map_page, eax, ebx, PG_MAP |
| and ebx, 0xFFF |
| lea ebx, [ebx+ebp+2000h] |
| cmp dword [ebx], 'FACP' |
| jz .fadt_found |
| loop .scan_fadt |
| jmp no_acpi_power_off |
| .fadt_found: |
| ; ebx is linear address of FADT |
| mov edx, [ebx+48] |
| test edx, edx |
| jz .nosmi |
| mov al, [ebx+52] |
| out dx, al |
| mov edx, [ebx+64] |
| @@: |
| in ax, dx |
| test al, 1 |
| jz @b |
| .nosmi: |
| mov edx, [ebx+64] |
| in ax, dx |
| and ax, 203h |
| or ax, 3C00h |
| out dx, ax |
| mov edx, [ebx+68] |
| test edx, edx |
| jz @f |
| in ax, dx |
| and ax, 203h |
| or ax, 3C00h |
| out dx, ax |
| @@: |
| jmp $ |
| xor eax, eax |
| rep stosd |
| |
| call test_cpu |
| |
| no_acpi_power_off: |
| mov word [OS_BASE+0x467+0],pr_mode_exit |
| mov word [OS_BASE+0x467+2],0x1000 |
| ; jmp __core_restart |
| |
| _sys_reboot: |
| mov word [OS_BASE+0x467+0],0xFFF0 |
| mov word [OS_BASE+0x467+2],0xF000 |
| |
| mov al,0x0F |
| out 0x70,al |
| mov al,0x05 |
| 5303,30 → 5239,6 |
|---|
| |
| hlt |
| |
| scan_rsdp: |
| add eax, OS_BASE |
| .s: |
| cmp dword [eax], 'RSD ' |
| jnz .n |
| cmp dword [eax+4], 'PTR ' |
| jnz .n |
| xor edx, edx |
| xor esi, esi |
| @@: |
| add dl, [eax+esi] |
| inc esi |
| cmp esi, 20 |
| jnz @b |
| test dl, dl |
| jz .ok |
| .n: |
| add eax, 10h |
| loop .s |
| stc |
| .ok: |
| ret |
| end if |
| |
| include "data32.inc" |
| |
| __REV__ = __REV |