diff options
Diffstat (limited to 'ArmPkg')
| -rw-r--r-- | ArmPkg/Include/AsmMacroIoLib.h | 23 | ||||
| -rw-r--r-- | ArmPkg/Include/AsmMacroIoLib.inc | 14 |
2 files changed, 35 insertions, 2 deletions
diff --git a/ArmPkg/Include/AsmMacroIoLib.h b/ArmPkg/Include/AsmMacroIoLib.h index 644c654665..a4ae22dca0 100644 --- a/ArmPkg/Include/AsmMacroIoLib.h +++ b/ArmPkg/Include/AsmMacroIoLib.h @@ -2,6 +2,7 @@ Macros to work around lack of Apple support for LDR register, =expr
Copyright (c) 2008 - 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
@@ -132,7 +133,16 @@ and Tmp, GlobalSize, #7 ; \
rsbne Tmp, Tmp, #8 ; \
add GlobalSize, GlobalSize, Tmp ; \
- sub sp, StackTop, GlobalSize
+ sub sp, StackTop, GlobalSize ; \
+ ; \
+ mov Tmp, sp ; \
+ mov GlobalSize, #0x0 ; \
+_SetPrimaryStackInitGlobals: ; \
+ cmp Tmp, StackTop ; \
+ beq _SetPrimaryStackEnd ; \
+ str GlobalSize, [Tmp], #4 ; \
+ b _SetPrimaryStackInitGlobals ; \
+_SetPrimaryStackEnd:
#elif defined (__GNUC__)
@@ -192,7 +202,16 @@ and Tmp, GlobalSize, #7 ; \
rsbne Tmp, Tmp, #8 ; \
add GlobalSize, GlobalSize, Tmp ; \
- sub sp, StackTop, GlobalSize
+ sub sp, StackTop, GlobalSize ; \
+ ; \
+ mov Tmp, sp ; \
+ mov GlobalSize, #0x0 ; \
+_SetPrimaryStackInitGlobals: ; \
+ cmp Tmp, StackTop ; \
+ beq _SetPrimaryStackEnd ; \
+ str GlobalSize, [Tmp], #4 ; \
+ b _SetPrimaryStackInitGlobals ; \
+_SetPrimaryStackEnd:
#else
diff --git a/ArmPkg/Include/AsmMacroIoLib.inc b/ArmPkg/Include/AsmMacroIoLib.inc index 5644bf9b30..a847579a37 100644 --- a/ArmPkg/Include/AsmMacroIoLib.inc +++ b/ArmPkg/Include/AsmMacroIoLib.inc @@ -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
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