mirror of https://github.com/acidanthera/audk.git
55 lines
1.1 KiB
ArmAsm
55 lines
1.1 KiB
ArmAsm
#------------------------------------------------------------------------------
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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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# SPDX-License-Identifier: BSD-2-Clause-Patent
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#
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#------------------------------------------------------------------------------
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#include <AsmMacroIoLib.h>
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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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ASM_FUNC(__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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ASM_FUNC(__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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