luxos/Kernel/tasking/tasking-asm.asm

;
; tasking-asm.asm
;
;  Created on: Sep 6, 2011
;      Author: Tiberiu
;

bits 32

global PagingCopyPagePhysical
PagingCopyPagePhysical:
	push ebx
	pushf
	cli

	mov ebx, [esp+12]
	mov ecx, [esp+16]

	; Disable paging
	mov edx, cr0
	and edx, 0x7fffffff
	mov cr0, edx

	; copy
	mov edx, 1024

.loop:
	mov eax, [ebx]
	mov [ecx], eax
	add ebx, 4
	add ecx, 4
	dec edx
	jnz .loop

	; reenable paging
	mov edx, cr0
	or edx, 0x80000000
	mov cr0, edx

	; return
	popf
	pop ebx
	ret


global TaskingReadEip
TaskingReadEip:
	pop eax
	jmp eax