KolibriOS/kolibrios
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string manipulation routines for drivers and kernel

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enable global page support after paging 

git-svn-id: svn://kolibrios.org@519 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Sergey Semyonov (Serge)
2007-05-23 11:26:19 +00:00
parent eb55d78ee2
commit f111d6969f
9 changed files with 271 additions and 313 deletions
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31
kernel/trunk/kernel.asm
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@@ -267,19 +267,28 @@ org OS_BASE+$
align 4
high_code:
mov ax,os_stack
mov bx,app_data
mov ss,ax
add esp, OS_BASE
mov ax,os_stack
mov bx,app_data
mov ss,ax
add esp, OS_BASE
mov ds,bx
mov es,bx
mov fs,bx
mov gs,bx
mov ds,bx
mov es,bx
mov fs,bx
mov gs,bx
mov dword [sys_pgdir], 0
mov dword [sys_pgdir+4], 0
mov dword [sys_pgdir+8], 0
bt [cpu_caps], CAPS_PGE
jnc @F
or dword [sys_pgdir+(OS_BASE shr 20)], PG_GLOBAL
mov ebx, cr4
or ebx, CR4_PGE
mov cr4, ebx
@@:
xor eax, eax
mov dword [sys_pgdir], eax
mov dword [sys_pgdir+4], eax
mov eax, cr3
mov cr3, eax ; flush TLB