/*
 * This file is subject to the terms and conditions of the GNU General Public
 * License.  See the file "COPYING" in the main directory of this archive
 * for more details.
 *
 * KVM/MIPS: COP0 access histogram
 *
 * Copyright (C) 2012  MIPS Technologies, Inc.  All rights reserved.
 * Authors: Sanjay Lal <sanjayl@kymasys.com>
 */

#include <linux/kvm_host.h>

char *kvm_cop0_str[N_MIPS_COPROC_REGS] = {
        "Index",
        "Random",
        "EntryLo0",
        "EntryLo1",
        "Context",
        "PG Mask",
        "Wired",
        "HWREna",
        "BadVAddr",
        "Count",
        "EntryHI",
        "Compare",
        "Status",
        "Cause",
        "EXC PC",
        "PRID",
        "Config",
        "LLAddr",
        "Watch Lo",
        "Watch Hi",
        "X Context",
        "Reserved",
        "Impl Dep",
        "Debug",
        "DEPC",
        "PerfCnt",
        "ErrCtl",
        "CacheErr",
        "TagLo",
        "TagHi",
        "ErrorEPC",
        "DESAVE"
};

void kvm_mips_dump_stats(struct kvm_vcpu *vcpu)
{
#ifdef CONFIG_KVM_MIPS_DEBUG_COP0_COUNTERS
        int i, j;

        kvm_info("\nKVM VCPU[%d] COP0 Access Profile:\n", vcpu->vcpu_id);
        for (i = 0; i < N_MIPS_COPROC_REGS; i++) {
                for (j = 0; j < N_MIPS_COPROC_SEL; j++) {
                        if (vcpu->arch.cop0.stat[i][j])
                                kvm_info("%s[%d]: %lu\n", kvm_cop0_str[i], j,
                                         vcpu->arch.cop0.stat[i][j]);
                }
        }
#endif
}