diff options
| author | Tyler Smith <tylers@hp.com> | 2015-03-20 12:17:02 +0000 |
|---|---|---|
| committer | lersek <lersek@Edk2> | 2015-03-20 12:17:02 +0000 |
| commit | f61762d0c86b42c7922ed2d4326c9647252752ae (patch) | |
| tree | 5efe4981bf6c2386b80757a90f42eb2818f59073 | |
| parent | ac2aaf315d95d0fc5dc670ce8d866de636b03d39 (diff) | |
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 <tylers@hp.com>
Reviewed-by: Eugene Cohen <eugene@hp.com>
Reviewed-by: Leif Lindholm <leif.lindholm@arm.com>
Reviewed-by: Ronald Cron <Ronald.Cron@arm.com>
[lersek@redhat.com: cleaned up commit message]
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17068 6f19259b-4bc3-4df7-8a09-765794883524
| -rw-r--r-- | MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.S | 2 | ||||
| -rw-r--r-- | MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.asm | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.S b/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.S index d699eb40d2..53e45a0b9a 100644 --- a/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.S +++ b/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.S @@ -179,6 +179,7 @@ TryInternalSyncIncrement: cmp r2, #0
bne TryInternalSyncIncrement
dmb
+ mov r0, r1
bx lr
/**
@@ -208,4 +209,5 @@ TryInternalSyncDecrement: cmp r2, #0
bne TryInternalSyncDecrement
dmb
+ mov r0, r1
bx lr
diff --git a/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.asm b/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.asm index dbc5991140..1c9a183b8f 100644 --- a/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.asm +++ b/MdePkg/Library/BaseSynchronizationLib/Arm/Synchronization.asm @@ -178,6 +178,7 @@ TryInternalSyncIncrement cmp r2, #0
bne TryInternalSyncIncrement
dmb
+ mov r0, r1
bx lr
/**
@@ -207,6 +208,7 @@ TryInternalSyncDecrement cmp r2, #0
bne TryInternalSyncDecrement
dmb
+ mov r0, r1
bx lr
END
|