bugs.h

Go to the documentation of this file.

#ifndef __ASM_SH_BUGS_H
#define __ASM_SH_BUGS_H

/*
 * This is included by init/main.c to check for architecture-dependent bugs.
 *
 * Needs:
 *  void check_bugs(void);
 */

/*
 * I don't know of any Super-H bugs yet.
 */

#include <asm/processor.h>

extern void select_idle_routine(void);

static void __init check_bugs(void)
{
    extern unsigned long loops_per_jiffy;
    char *p = &init_utsname()->machine[2]; /* "sh" */

    select_idle_routine();

    current_cpu_data.loops_per_jiffy = loops_per_jiffy;

    switch (current_cpu_data.family) {
    case CPU_FAMILY_SH2:
        *p++ = '2';
        break;
    case CPU_FAMILY_SH2A:
        *p++ = '2';
        *p++ = 'a';
        break;
    case CPU_FAMILY_SH3:
        *p++ = '3';
        break;
    case CPU_FAMILY_SH4:
        *p++ = '4';
        break;
    case CPU_FAMILY_SH4A:
        *p++ = '4';
        *p++ = 'a';
        break;
    case CPU_FAMILY_SH4AL_DSP:
        *p++ = '4';
        *p++ = 'a';
        *p++ = 'l';
        *p++ = '-';
        *p++ = 'd';
        *p++ = 's';
        *p++ = 'p';
        break;
    case CPU_FAMILY_SH5:
        *p++ = '6';
        *p++ = '4';
        break;
    case CPU_FAMILY_UNKNOWN:
        /*
         * Specifically use CPU_FAMILY_UNKNOWN rather than
         * default:, so we're able to have the compiler whine
         * about unhandled enumerations.
         */
        break;
    }

    printk("CPU: %s\n", get_cpu_subtype(&current_cpu_data));

#ifndef __LITTLE_ENDIAN__
    /* 'eb' means 'Endian Big' */
    *p++ = 'e';
    *p++ = 'b';
#endif
    *p = '\0';
}
#endif /* __ASM_SH_BUGS_H */