ArmPlatformPkg: Updated the stack setup to have the same geometry between the Secure and Normal World

Having a similar setup reduces the error during the MPCore stack setup.
The stack setup is described on this wikipage:
https://sourceforge.net/apps/mediawiki/tianocore/index.php?title=ArmPlatformPkg/Stack



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13058 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
oliviermartin
2012-02-28 17:23:53 +00:00
parent 2569b06868
commit 1377db63ff
8 changed files with 169 additions and 186 deletions

View File

@@ -3,6 +3,8 @@
; Macros to work around lack of Apple support for LDR register, =expr
;
; Copyright (c) 2009, Apple Inc. All rights reserved.<BR>
; Copyright (c) 2011-2012, ARM Ltd. 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
@@ -86,12 +88,24 @@
MEND
; The reserved place must be 8-bytes aligned for pushing 64-bit variable on the stack
; Note: Global Size will be modified
MACRO
SetPrimaryStack $StackTop, $GlobalSize, $Tmp
and $Tmp, $GlobalSize, #7
rsbne $Tmp, $Tmp, #8
add $GlobalSize, $GlobalSize, $Tmp
sub sp, $StackTop, $GlobalSize
; Set all the global variables to 0
mov $Tmp, sp
mov $GlobalSize, #0x0
_SetPrimaryStackInitGlobals
cmp $Tmp, $StackTop
beq _SetPrimaryStackEnd
str $GlobalSize, [$Tmp], #4
b _SetPrimaryStackInitGlobals
_SetPrimaryStackEnd
MEND
END