diff options
Diffstat (limited to 'ArmPkg/Library/CompilerIntrinsicsLib/Arm/switch.asm')
| -rw-r--r-- | ArmPkg/Library/CompilerIntrinsicsLib/Arm/switch.asm | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/switch.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/switch.asm new file mode 100644 index 0000000000..2e26160363 --- /dev/null +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/switch.asm @@ -0,0 +1,29 @@ +///------------------------------------------------------------------------------ +// +// Copyright (c) 2008-2009 Apple Inc. All rights reserved. +// +// All rights reserved. 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 __ARM_switch8 + + AREA ArmSwitch, CODE, READONLY + +__ARM_switch8 + LDRB r12,[lr,#-1] + CMP r3,r12 + LDRBCC r3,[lr,r3] + LDRBCS r3,[lr,r12] + ADD r12,lr,r3,LSL #1 + BX r12 + + END |