check for PSE and BIOS SMAP

git-svn-id: svn://kolibrios.org@838 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/branches/kolibri_pe/boot/bootcode.inc

@@ -258,11 +258,42 @@ dfl1:
            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

@@ -13,6 +13,9 @@
 
 $Revision$
 
+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 '

kernel/branches/kolibri_pe/boot/bootru.inc

@@ -13,6 +13,9 @@
 
 $Revision$
 
+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 '

kernel/branches/kolibri_pe/init.inc

@@ -12,40 +12,13 @@ MEM_WB     equ 6               ;write-back memory
 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
-
-           xor eax, eax
            mov esi, 0x2F0000 + 0x9104
+           xor eax, eax
 @@:
            cmp dword [esi+16], 1
            jne .next
@@ -58,13 +31,9 @@ proc init_mem
            add esi, 20
            loop @B
 
-           mov [MEM_AMOUNT-OS_BASE], eax
+           and eax, -4096
-           jmp @F
-.nosmap:
-	   call mem_test
 
-           mov eax, [MEM_AMOUNT-OS_BASE]
+           mov [MEM_AMOUNT-OS_BASE], eax
-@@:
            mov [pg_data.mem_amount-OS_BASE], eax
 
            shr eax, 12