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41 lines
1.0 KiB
C
41 lines
1.0 KiB
C
#ifndef UTIL_H
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#define UTIL_H
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#define FMT64 "%"G_GUINT64_FORMAT
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#if defined(__i386__)
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#define rmb() asm volatile("lock; addl $0,0(%%esp)" ::: "memory")
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#define cpu_relax() asm volatile("rep; nop" ::: "memory");
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#endif
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#if defined(__x86_64__)
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#define rmb() asm volatile("lfence" ::: "memory")
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#define cpu_relax() asm volatile("rep; nop" ::: "memory");
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#endif
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#ifdef __powerpc__
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#define rmb() asm volatile ("sync" ::: "memory")
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#define cpu_relax() asm volatile ("" ::: "memory");
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#endif
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#ifdef __s390__
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#define rmb() asm volatile("bcr 15,0" ::: "memory")
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#define cpu_relax() asm volatile("" ::: "memory");
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#endif
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#ifdef __sh__
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#if defined(__SH4A__) || defined(__SH5__)
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# define rmb() asm volatile("synco" ::: "memory")
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#else
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# define rmb() asm volatile("" ::: "memory")
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#endif
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#define cpu_relax() asm volatile("" ::: "memory")
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#endif
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#ifdef __hppa__
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#define rmb() asm volatile("" ::: "memory")
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#define cpu_relax() asm volatile("" ::: "memory");
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#endif
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#endif
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