HelenOS sources

root/kernel/arch/ppc32/src/cpu/cpu.c

DEFINITIONS

1. cpu_arch_init
2. cpu_identify
3. cpu_print_report

/*
 * Copyright (c) 2005 Martin Decky
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * - Redistributions of source code must retain the above copyright
 *   notice, this list of conditions and the following disclaimer.
 * - Redistributions in binary form must reproduce the above copyright
 *   notice, this list of conditions and the following disclaimer in the
 *   documentation and/or other materials provided with the distribution.
 * - The name of the author may not be used to endorse or promote products
 *   derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/** @addtogroup kernel_ppc32
 * @{
 */
/** @file
 */

#include <arch/cpu.h>
#include <cpu.h>
#include <arch.h>
#include <stdio.h>
#include <fpu_context.h>

void cpu_arch_init(void)
{
#ifdef CONFIG_FPU
        fpu_enable();
#endif
}

void cpu_identify(void)
{
        cpu_version(&CPU->arch);
}

void cpu_print_report(cpu_t *cpu)
{
        const char *name;

        switch (cpu->arch.version) {
        case 8:
                name = "PowerPC 750";
                break;
        case 9:
                name = "PowerPC 604e";
                break;
        case 0x81:
                name = "PowerPC 8260";
                break;
        case 0x8081:
                name = "PowerPC 826xA";
                break;
        default:
                name = "unknown";
        }

        printf("cpu%u: version=%" PRIu16 " (%s), revision=%" PRIu16 "\n", cpu->id,
            cpu->arch.version, name, cpu->arch.revision);
}

/** @}
 */