99 lines
2.9 KiB
C
99 lines
2.9 KiB
C
/*
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* Copyright (c) 2009 ARM Ltd
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the company may not be used to endorse or promote
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* products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
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* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef ARM_ASM__H
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#define ARM_ASM__H
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/* First define some macros that keep everything else sane. */
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#if defined (__ARM_ARCH_7A__) || defined (__ARM_ARCH_7R__)
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#define _ISA_ARM_7
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#endif
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#if defined (_ISA_ARM_7) || defined (__ARM_ARCH_6__) || \
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defined (__ARM_ARCH_6J__) || defined (__ARM_ARCH_6T2__) || \
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defined (__ARM_ARCH_6K__) || defined (__ARM_ARCH_6ZK__) || \
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defined (__ARM_ARCH_6Z__)
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#define _ISA_ARM_6
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#endif
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#if defined (_ISA_ARM_6) || defined (__ARM_ARCH_5__) || \
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defined (__ARM_ARCH_5T__) || defined (__ARM_ARCH_5TE__) || \
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defined (__ARM_ARCH_5TEJ__)
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#define _ISA_ARM_5
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#endif
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#if defined (_ISA_ARM_5) || defined (__ARM_ARCH_4T__)
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#define _ISA_ARM_4T
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#endif
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#if defined (__ARM_ARCH_7M__) || defined (__ARM_ARCH_7__) || \
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defined (__ARM_ARCH_7EM__)
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#define _ISA_THUMB_2
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#endif
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#if defined (_ISA_THUMB_2) || defined (__ARM_ARCH_6M__)
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#define _ISA_THUMB_1
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#endif
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/* Now some macros for common instruction sequences. */
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#ifdef __ASSEMBLER__
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.macro RETURN cond=
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#if defined (_ISA_ARM_4T) || defined (_ISA_THUMB_1)
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bx\cond lr
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#else
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mov\cond pc, lr
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#endif
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.endm
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.macro optpld base, offset=#0
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#if defined (_ISA_ARM_7)
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pld [\base, \offset]
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#endif
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.endm
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#else
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asm(".macro RETURN cond=\n\t"
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#if defined (_ISA_ARM_4T) || defined (_ISA_THUMB_1)
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"bx\\cond lr\n\t"
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#else
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"mov\\cond pc, lr\n\t"
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#endif
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".endm"
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);
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asm(".macro optpld base, offset=#0\n\t"
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#if defined (_ISA_ARM_7)
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"pld [\\base, \\offset]\n\t"
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#endif
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".endm"
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);
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#endif
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#endif /* ARM_ASM__H */
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