9344f09215
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
49 lines
1.4 KiB
NASM
49 lines
1.4 KiB
NASM
;------------------------------------------------------------------------------
|
|
;
|
|
; Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>
|
|
; SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
;
|
|
; Module Name:
|
|
;
|
|
; DisablePaging32.Asm
|
|
;
|
|
; Abstract:
|
|
;
|
|
; AsmDisablePaging32 function
|
|
;
|
|
; Notes:
|
|
;
|
|
;------------------------------------------------------------------------------
|
|
|
|
SECTION .text
|
|
|
|
;------------------------------------------------------------------------------
|
|
; VOID
|
|
; EFIAPI
|
|
; InternalX86DisablePaging32 (
|
|
; IN SWITCH_STACK_ENTRY_POINT EntryPoint,
|
|
; IN VOID *Context1, OPTIONAL
|
|
; IN VOID *Context2, OPTIONAL
|
|
; IN VOID *NewStack
|
|
; );
|
|
;------------------------------------------------------------------------------
|
|
global ASM_PFX(InternalX86DisablePaging32)
|
|
ASM_PFX(InternalX86DisablePaging32):
|
|
mov ebx, [esp + 4]
|
|
mov ecx, [esp + 8]
|
|
mov edx, [esp + 12]
|
|
pushfd
|
|
pop edi ; save EFLAGS to edi
|
|
cli
|
|
mov eax, cr0
|
|
btr eax, 31
|
|
mov esp, [esp + 16]
|
|
mov cr0, eax
|
|
push edi
|
|
popfd ; restore EFLAGS from edi
|
|
push edx
|
|
push ecx
|
|
call ebx
|
|
jmp $ ; EntryPoint() should not return
|
|
|