Revision: 17068
http://sourceforge.net/p/edk2/code/17068
Author: lersek
Date: 2015-03-20 12:17:02 +0000 (Fri, 20 Mar 2015)
Log Message:
-----------
MdePkg: BaseSynchronizationLib: fix Increment/Decrement retvals for ARM
The procedure call standard dictates that we move the result to r0 before
returning.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Tyler Smith <[email protected]>
Reviewed-by: Eugene Cohen <[email protected]>
Reviewed-by: Leif Lindholm <[email protected]>
Reviewed-by: Ronald Cron <[email protected]>
[[email protected]: cleaned up commit message]
Revision Links:
--------------
http://sourceforge.net/p/edk2/code/0
Modified Paths:
--------------
trunk/edk2/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.S
trunk/edk2/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.asm
Modified: trunk/edk2/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.S
===================================================================
--- trunk/edk2/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.S
2015-03-20 03:27:24 UTC (rev 17067)
+++ trunk/edk2/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.S
2015-03-20 12:17:02 UTC (rev 17068)
@@ -179,6 +179,7 @@
cmp r2, #0
bne TryInternalSyncIncrement
dmb
+ mov r0, r1
bx lr
/**
@@ -208,4 +209,5 @@
cmp r2, #0
bne TryInternalSyncDecrement
dmb
+ mov r0, r1
bx lr
Modified:
trunk/edk2/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.asm
===================================================================
--- trunk/edk2/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.asm
2015-03-20 03:27:24 UTC (rev 17067)
+++ trunk/edk2/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.asm
2015-03-20 12:17:02 UTC (rev 17068)
@@ -178,6 +178,7 @@
cmp r2, #0
bne TryInternalSyncIncrement
dmb
+ mov r0, r1
bx lr
/**
@@ -207,6 +208,7 @@
cmp r2, #0
bne TryInternalSyncDecrement
dmb
+ mov r0, r1
bx lr
END
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