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This patch includes processor and system headers. System call interface is here. We used the syscall interface the same as asm-generic version. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
33 lines
787 B
C
33 lines
787 B
C
/*
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* linux/arch/unicore32/include/asm/cputype.h
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*
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* Code specific to PKUnity SoC and UniCore ISA
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*
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* Copyright (C) 2001-2010 GUAN Xue-tao
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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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#ifndef __UNICORE_CPUTYPE_H__
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#define __UNICORE_CPUTYPE_H__
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#include <linux/stringify.h>
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#define CPUID_CPUID 0
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#define CPUID_CACHETYPE 1
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#define read_cpuid(reg) \
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({ \
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unsigned int __val; \
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asm("movc %0, p0.c0, #" __stringify(reg) \
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: "=r" (__val) \
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: \
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: "cc"); \
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__val; \
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})
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#define uc32_cpuid read_cpuid(CPUID_CPUID)
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#define uc32_cachetype read_cpuid(CPUID_CACHETYPE)
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#endif
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