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authorandrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>2010-07-02 12:00:00 +0000
committerandrewfish <andrewfish@6f19259b-4bc3-4df7-8a09-765794883524>2010-07-02 12:00:00 +0000
commitafdfe8f02bdf8d563554bb620c001072862b064e (patch)
tree133edcc99dcde42e92643907f76a093647a322c2 /ArmRealViewEbPkg/SecForPei/Arm/SwitchStack.asm
parent7ee525b2c1f8d3d6da5f788364fe5be36a979c9c (diff)
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Remove ArmEbPkg and replace with ArmRealViewEbPkg. Ported ArmRealViewEbPkg to have a PEI phase, and added place holder CPU PEIM to ArmPkg. This ArmRealViewEbPkg now boots from SEC, PEI, DXE, BDS, to EBL in the ARM RealView system emulator that comes with RealView Pro.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@10621 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'ArmRealViewEbPkg/SecForPei/Arm/SwitchStack.asm')
-rwxr-xr-xArmRealViewEbPkg/SecForPei/Arm/SwitchStack.asm38
1 files changed, 38 insertions, 0 deletions
diff --git a/ArmRealViewEbPkg/SecForPei/Arm/SwitchStack.asm b/ArmRealViewEbPkg/SecForPei/Arm/SwitchStack.asm
new file mode 100755
index 0000000000..10da81d6ac
--- /dev/null
+++ b/ArmRealViewEbPkg/SecForPei/Arm/SwitchStack.asm
@@ -0,0 +1,38 @@
+;------------------------------------------------------------------------------
+;
+; Copyright (c) 2006 - 2009, Intel Corporation. All rights reserved.<BR>
+; Portions copyright (c) 2008 - 2009, Apple Inc. 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.
+;
+;------------------------------------------------------------------------------
+
+ EXPORT SecSwitchStack
+
+ AREA Switch_Stack, CODE, READONLY
+
+;/**
+; This allows the caller to switch the stack and return
+;
+; @param StackDelta Signed amount by which to modify the stack pointer
+;
+; @return Nothing. Goes to the Entry Point passing in the new parameters
+;
+;**/
+;VOID
+;EFIAPI
+;SecSwitchStack (
+; VOID *StackDelta
+; );
+;
+SecSwitchStack
+ MOV R1, SP
+ ADD R1, R0, R1
+ MOV SP, R1
+ BX LR
+ END