mcax.c

Go to the documentation of this file.

/* SPDX-License-Identifier: GPL-2.0-only */
 
#include <amdblocks/msr_zen.h>
#include <cpu/x86/lapic.h>
#include <cpu/x86/msr.h>
#include <console/console.h>
#include <types.h>
#include "mca_common_defs.h"
 
/* The McaXEnable bit in the config registers of the available MCAX banks is already set by the
   FSP, so no need to set it here again. */
 
bool mca_skip_check(void)
{
        /* On Zen-based CPUs/APUs the MCA(X) status register have a defined state even in the
           cold boot path, so no need to skip the check */
        return false;
}
 
/* Print the contents of the MCAX registers for a given bank */
void mca_print_error(unsigned int bank)
{
        msr_t msr;
 
        printk(BIOS_WARNING, "#MC Error: core %u, bank %u %s\n", initial_lapicid(), bank,
                mca_get_bank_name(bank));
 
        msr = rdmsr(MCAX_CTL_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_CTL =      %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_STATUS_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_STATUS =   %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_ADDR_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_ADDR =     %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_MISC0_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_MISC0 =    %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_CONFIG_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_CONFIG =   %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_IPID_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_IPID =     %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_SYND_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_SYND =     %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_DESTAT_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_DESTAT =   %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_DEADDR_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_DEADDR =   %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_MISC1_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_MISC1 =    %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_MISC2_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_MISC2 =    %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_MISC3_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_MISC3 =    %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCAX_MISC4_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_MISC4 =    %08x_%08x\n", bank, msr.hi, msr.lo);
        msr = rdmsr(MCA_CTL_MASK_MSR(bank));
        printk(BIOS_WARNING, "   MC%u_CTL_MASK = %08x_%08x\n", bank, msr.hi, msr.lo);
}