| /kernel/branches/kolibri_pe/boot/bootcode.inc |
|---|
| 258,11 → 258,42 |
| and ax, bx |
| and dx, bx |
| cmp ax, dx |
| jnz cpugood |
| mov si, not386 |
| jz sayerr |
| xor eax, eax |
| cpuid |
| cmp eax, 0 |
| mov si, sz_nopse |
| jbe sayerr |
| mov eax, 1 |
| cpuid |
| bt edx, 3 |
| mov si, sz_nopse |
| jnc sayerr |
| xor ebx, ebx |
| mov es, bx |
| mov edi, 0x9104 |
| mov ecx, 20 |
| mov edx, 0x534D4150 |
| mov [es:0x9100], ebx |
| mov eax, 0xe820 |
| int 0x15 |
| mov si, sz_nosmap |
| jc sayerr |
| cmp eax, 0x534D4150 |
| je cpugood |
| sayerr: |
| call print |
| jmp $ |
| cpugood: |
| push 0 |
| /kernel/branches/kolibri_pe/boot/booteng.inc |
|---|
| 13,7 → 13,10 |
| $Revision$ |
| sz_nosmap db 'No BIOS memory table. System halted.', 0 |
| sz_nopse db 'Page size extensions not supported. System halted.', 0 |
| d80x25_bottom: |
| db 186,' KolibriOS is based on MenuetOS and comes with ABSOLUTELY ' |
| db 'NO WARRANTY ',186 |
| /kernel/branches/kolibri_pe/boot/bootru.inc |
|---|
| 13,7 → 13,10 |
| $Revision$ |
| sz_nosmap db 'No BIOS memory table. System halted.', 0 |
| sz_nopse db 'Page size extensions not supported. System halted.', 0 |
| d80x25_bottom: |
| db 186,' Kolibri OS ®á®¢ Menuet OS ¨ ¥ ¯à¥¤®áâ ¢«ï¥â ' |
| db '¨ª ª¨å £ àa⨩. ',186 |
| /kernel/branches/kolibri_pe/init.inc |
|---|
| 12,40 → 12,13 |
| MEM_WC equ 1 ;write combined memory |
| MEM_UC equ 0 ;uncached memory |
| align 4 |
| proc mem_test |
| mov eax, cr0 |
| and eax, not (CR0_CD+CR0_NW) |
| or eax, CR0_CD ;disable caching |
| mov cr0, eax |
| wbinvd ;invalidate cache |
| xor edi, edi |
| mov ebx, 'TEST' |
| @@: |
| add edi, 0x100000 |
| xchg ebx, dword [edi] |
| cmp dword [edi], 'TEST' |
| xchg ebx, dword [edi] |
| je @b |
| mov [MEM_AMOUNT-OS_BASE], edi |
| and eax, not (CR0_CD+CR0_NW) ;enable caching |
| mov cr0, eax |
| mov eax, edi |
| ret |
| endp |
| align 4 |
| proc init_mem |
| mov ecx, [0x2F0000 + 0x9100] |
| test ecx, ecx |
| jz .nosmap |
| mov esi, 0x2F0000 + 0x9104 |
| xor eax, eax |
| mov esi, 0x2F0000 + 0x9104 |
| @@: |
| cmp dword [esi+16], 1 |
| jne .next |
| 58,13 → 31,9 |
| add esi, 20 |
| loop @B |
| and eax, -4096 |
| mov [MEM_AMOUNT-OS_BASE], eax |
| jmp @F |
| .nosmap: |
| call mem_test |
| mov eax, [MEM_AMOUNT-OS_BASE] |
| @@: |
| mov [pg_data.mem_amount-OS_BASE], eax |
| shr eax, 12 |