2007-12-20 21:14:21 +01:00
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/**
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* =========================================================================
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* File : arch.h
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* Project : 0 A.D.
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* Description : CPU architecture detection.
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* =========================================================================
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*/
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// license: GPL; see lib/license.txt
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#ifndef INCLUDED_ARCH
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#define INCLUDED_ARCH
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// detect target CPU architecture via predefined macros
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// .. IA-32
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#if defined(_M_IX86) || defined(i386) || defined(_X86_)
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# define ARCH_IA32 1
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#else
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# define ARCH_IA32 0
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#endif
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// .. IA-64
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#if defined(_M_IA64) || defined(__ia64__)
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# define ARCH_IA64 1
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#else
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# define ARCH_IA64 0
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#endif
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// .. AMD64
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2008-07-04 21:10:09 +02:00
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#if defined(_M_X64) || defined(__amd64__) || defined(__amd64)
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2007-12-20 21:14:21 +01:00
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# define ARCH_AMD64 1
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#else
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# define ARCH_AMD64 0
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#endif
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// .. Alpha
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#if defined(_M_ALPHA) || defined(__alpha__) || defined(__alpha)
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# define ARCH_ALPHA 1
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#else
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# define ARCH_ALPHA 0
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#endif
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// .. ARM
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#if defined(__arm__)
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# define ARCH_ARM 1
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#else
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# define ARCH_ARM 0
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#endif
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// .. MIPS
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#if defined(__MIPS__) || defined(__mips__) || defined(__mips)
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# define ARCH_MIPS 1
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#else
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# define ARCH_MIPS 0
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#endif
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2008-09-27 12:23:05 +02:00
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// ensure exactly one architecture has been detected
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#if (ARCH_IA32+ARCH_IA64+ARCH_AMD64+ARCH_ALPHA+ARCH_ARM+ARCH_MIPS) != 1
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# error "architecture not correctly detected (either none or multiple ARCH_* defined)"
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#endif
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// "X86_X64"-specific code requires either IA-32 or AMD64
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2008-09-27 12:05:11 +02:00
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#define ARCH_X86_X64 (ARCH_IA32|ARCH_AMD64)
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2007-12-20 21:14:21 +01:00
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#endif // #ifndef INCLUDED_ARCH
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