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https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org>
40 lines
1.1 KiB
C
40 lines
1.1 KiB
C
/** @file
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Macros to work around lack of Apple support for LDR register, =expr
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Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>
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Copyright (c) 2011-2012, ARM Ltd. All rights reserved.<BR>
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Copyright (c) 2016, Linaro Ltd. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __MACRO_IO_LIB_H__
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#define __MACRO_IO_LIB_H__
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#define _ASM_FUNC(Name, Section) \
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.global Name ; \
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.section #Section, "ax" ; \
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.type Name, %function ; \
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.p2align 2 ; \
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Name:
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#define ASM_FUNC(Name) _ASM_FUNC(ASM_PFX(Name), .text. ## Name)
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#define MOV32(Reg, Val) \
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movw Reg, #(Val) & 0xffff ; \
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movt Reg, #(Val) >> 16
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#define ADRL(Reg, Sym) \
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movw Reg, #:lower16:(Sym) - (. + 16) ; \
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movt Reg, #:upper16:(Sym) - (. + 12) ; \
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add Reg, Reg, pc
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#define LDRL(Reg, Sym) \
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movw Reg, #:lower16:(Sym) - (. + 16) ; \
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movt Reg, #:upper16:(Sym) - (. + 12) ; \
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ldr Reg, [pc, Reg]
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#endif
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