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Sourcecode: x86info version File versions

bugs.c

/*
 *  $Id: bugs.c,v 1.5 2004/06/02 22:29:29 davej Exp $
 *  This file is part of x86info.
 *  (C) 2002 Dave Jones.
 *
 *  Licensed under the terms of the GNU GPL License version 2.
 *
 *  AMD-specific errata information
 */

#include <stdio.h>
#include <unistd.h>
#include <sys/types.h>
#include "../x86info.h"
#include "AMD.h"

static void show_k7_bugs(struct cpudata *cpu)
{
      unsigned long long val;

      /* As per 27212 0.2 - Some newer athlons are more robust with
         CLK_CTL reprogrammed to 0x20000000 instead of 0x60000000 */
      if (tuple(cpu) > 0x681) {
            if (read_msr (cpu->number, MSR_CLKCTL, &val) == 1) {
                  if ((val & 0xfff00000) != 0x20000000) {
                        printf ("CLK_CTL is programmed to %08llx, instead of %08llx\n",
                                    val, ((val&~0xfff00000)|0x20000000));
                  }
            }
      }
}

void show_amd_bugs(struct cpudata *cpu)
{
      switch (cpu->family) {
      /* Athlons. */
      case 6:
            show_k7_bugs(cpu);
            break;

      default:
            break;
      }
}


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