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91c38d4e94
Replace tabs by spaces for indentation to comply to EDK2 coding standards. Done in files with extension ".S", ".c", ".h", ".asm", ".dsc", ".inc", "*.inf", "*.dec" or ".fdf" and located in ArmPkg, ArmPlatformPkg, EmbeddedPkg, BeagleBoardPkg or Omap35xxPkg. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ronald Cron <ronald.cron@arm.com> Reviewed-By: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15901 6f19259b-4bc3-4df7-8a09-765794883524
67 lines
1.6 KiB
NASM
67 lines
1.6 KiB
NASM
//------------------------------------------------------------------------------
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//
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// Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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//
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// This program and the accompanying materials
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// are licensed and made available under the terms and conditions of the BSD License
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// which accompanies this distribution. The full text of the license may be found at
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// http://opensource.org/licenses/bsd-license.php
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//
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// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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//
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//------------------------------------------------------------------------------
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EXPORT __aeabi_uread4
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EXPORT __aeabi_uread8
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AREA Uread4, CODE, READONLY
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;
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;UINT32
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;EFIAPI
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;__aeabi_uread4 (
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; IN VOID *Pointer
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; );
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;
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__aeabi_uread4
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ldrb r1, [r0]
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ldrb r2, [r0, #1]
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ldrb r3, [r0, #2]
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ldrb r0, [r0, #3]
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orr r1, r1, r2, lsl #8
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orr r1, r1, r3, lsl #16
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orr r0, r1, r0, lsl #24
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bx lr
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;
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;UINT64
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;EFIAPI
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;__aeabi_uread8 (
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; IN VOID *Pointer
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; );
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;
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__aeabi_uread8
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mov r3, r0
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ldrb r1, [r3]
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ldrb r2, [r3, #1]
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orr r1, r1, r2, lsl #8
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ldrb r2, [r3, #2]
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orr r1, r1, r2, lsl #16
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ldrb r0, [r3, #3]
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orr r0, r1, r0, lsl #24
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ldrb r1, [r3, #4]
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ldrb r2, [r3, #5]
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orr r1, r1, r2, lsl #8
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ldrb r2, [r3, #6]
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orr r1, r1, r2, lsl #16
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ldrb r2, [r3, #7]
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orr r1, r1, r2, lsl #24
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bx lr
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END
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