diff options
Diffstat (limited to 'ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm')
| -rw-r--r-- | ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm new file mode 100644 index 0000000000..d6a1e2fb00 --- /dev/null +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uwrite.asm @@ -0,0 +1,40 @@ +//------------------------------------------------------------------------------ +// +// 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_uwrite4 + + AREA Uwrite4, CODE, READONLY + +; +;UINT32 +;EFIAPI +;__aeabi_uwrite4 ( +; IN UINT32 Data, +; IN VOID *Pointer +; ); +; +; +__aeabi_uwrite4 + mov r2, r0, lsr #8 + strb r0, [r1] + strb r2, [r1, #1] + mov r2, r0, lsr #16 + strb r2, [r1, #2] + mov r2, r0, lsr #24 + strb r2, [r1, #3] + bx lr + + END + |