diff options
Diffstat (limited to 'ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm')
| -rw-r--r-- | ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm new file mode 100644 index 0000000000..1d3d192821 --- /dev/null +++ b/ArmPkg/Library/CompilerIntrinsicsLib/Arm/uread.asm @@ -0,0 +1,38 @@ +//------------------------------------------------------------------------------ +// +// 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_uread4 + + AREA Uread4, CODE, READONLY + +; +;UINT32 +;EFIAPI +;__aeabi_uread4 ( +; IN VOID *Pointer +; ); +; +__aeabi_uread4 + ldrb r2, [r0, #1] + ldrb r1, [r0] + ldrb r3, [r0, #2] + ldrb r0, [r0, #3] + orr r1, r1, r2, lsl #8 + orr r1, r1, r3, lsl #16 + orr r0, r1, r0, lsl #24 + bx lr + + END |