70 lines
1.6 KiB
C
70 lines
1.6 KiB
C
/*
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* include/asm-arm/unified.h - Unified Assembler Syntax helper macros
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*
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* Copyright (C) 2008 ARM Limited
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef __ASM_UNIFIED_H
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#define __ASM_UNIFIED_H
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#if defined(__ASSEMBLY__)
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.syntax unified
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#else
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__asm__(".syntax unified");
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#endif
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#ifdef CONFIG_CPU_V7M
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#define AR_CLASS(x...)
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#define M_CLASS(x...) x
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#else
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#define AR_CLASS(x...) x
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#define M_CLASS(x...)
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#endif
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#ifdef CONFIG_THUMB2_KERNEL
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#if __GNUC__ < 4
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#error Thumb-2 kernel requires gcc >= 4
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#endif
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/* The CPSR bit describing the instruction set (Thumb) */
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#define PSR_ISETSTATE PSR_T_BIT
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#define ARM(x...)
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#define THUMB(x...) x
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#ifdef __ASSEMBLY__
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#define W(instr) instr.w
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#else
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#define WASM(instr) #instr ".w"
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#endif
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#else /* !CONFIG_THUMB2_KERNEL */
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/* The CPSR bit describing the instruction set (ARM) */
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#define PSR_ISETSTATE 0
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#define ARM(x...) x
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#define THUMB(x...)
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#ifdef __ASSEMBLY__
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#define W(instr) instr
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#else
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#define WASM(instr) #instr
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#endif
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#endif /* CONFIG_THUMB2_KERNEL */
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#endif /* !__ASM_UNIFIED_H */
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