cputype.h

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/*
 * linux/arch/unicore32/include/asm/cputype.h
 *
 * Code specific to PKUnity SoC and UniCore ISA
 *
 * Copyright (C) 2001-2010 GUAN Xue-tao
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License version 2 as
 * published by the Free Software Foundation.
 */
#ifndef __UNICORE_CPUTYPE_H__
#define __UNICORE_CPUTYPE_H__

#include <linux/stringify.h>

#define CPUID_CPUID 0
#define CPUID_CACHETYPE 1

#define read_cpuid(reg)                         \
    ({                              \
        unsigned int __val;                 \
        asm("movc   %0, p0.c0, #" __stringify(reg)      \
            : "=r" (__val)                  \
            :                           \
            : "cc");                        \
        __val;                          \
    })

#define uc32_cpuid      read_cpuid(CPUID_CPUID)
#define uc32_cachetype      read_cpuid(CPUID_CACHETYPE)

#endif