diff options
Diffstat (limited to 'ArmPkg/Library/CompilerIntrinsicsLib/Arm/llsl.asm')
| -rw-r--r-- | ArmPkg/Library/CompilerIntrinsicsLib/Arm/llsl.asm | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/llsl.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/llsl.asm new file mode 100644 index 0000000000..745b984085 --- /dev/null +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/llsl.asm @@ -0,0 +1,43 @@ +//------------------------------------------------------------------------------ +// +// 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 __aeabi_llsl + + AREA Math, CODE, READONLY + +; +;VOID +;EFIAPI +;__aeabi_llsl ( +; IN VOID *Destination, +; IN VOID *Source, +; IN UINT32 Size +; ); +; + +__aeabi_llsl + SUBS r3,r2,#0x20 + BPL {pc} + 0x18 ; 0x1c + RSB r3,r2,#0x20 + LSL r1,r1,r2 + ORR r1,r1,r0,LSR r3 + LSL r0,r0,r2 + BX lr + LSL r1,r0,r3 + MOV r0,#0 + BX lr + + END + |