#------------------------------------------------------------------------------

#

# Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>

# This program and the accompanying materials

# are licensed and made available under the terms and conditions of the BSD License

# which accompanies this distribution. The full text of the license may be found at

# http://opensource.org/licenses/bsd-license.php.

#

# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,

# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.

#

# Module Name:

#

# EnablePaging32.S

#

# Abstract:

#

# InternalX86EnablePaging32 function

#

# Notes:

#

#------------------------------------------------------------------------------

ASM_GLOBAL ASM_PFX(InternalX86EnablePaging32)

#------------------------------------------------------------------------------

# VOID

# EFIAPI

# InternalX86EnablePaging32 (

# IN SWITCH_STACK_ENTRY_POINT EntryPoint,

# IN VOID *Context1, OPTIONAL

# IN VOID *Context2, OPTIONAL

# IN VOID *NewStack

# );

#------------------------------------------------------------------------------

ASM_PFX(InternalX86EnablePaging32):

movl 4(%esp), %ebx

movl 8(%esp), %ecx

movl 12(%esp), %edx

pushfl

pop %edi # save flags in edi

cli

movl %cr0, %eax

btsl $31, %eax

movl 16(%esp), %esp

movl %eax, %cr0

push %edi

popfl # restore flags

push %edx

push %ecx

call *%ebx

jmp .