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/*

 *  linux/arch/mips/kernel/proc.c

 *

 *  Copyright (C) 1995, 1996, 2001  Ralf Baechle

 *  Copyright (C) 2001  MIPS Technologies, Inc.

 */

#include <linux/config.h>

#include <linux/delay.h>

#include <linux/kernel.h>

#include <linux/sched.h>

#include <linux/seq_file.h>

#include <asm/bootinfo.h>

#include <asm/cpu.h>

#include <asm/mipsregs.h>

#include <asm/processor.h>

#include <asm/watch.h>

unsigned int vced_count, vcei_count;

static const char *cpu_name[] = {

        [CPU_UNKNOWN]   "unknown",

        [CPU_R2000]     "R2000",

        [CPU_R3000]     "R3000",

        [CPU_R3000A]    "R3000A",

        [CPU_R3041]     "R3041",

        [CPU_R3051]     "R3051",

        [CPU_R3052]     "R3052",

        [CPU_R3081]     "R3081",

        [CPU_R3081E]    "R3081E",

        [CPU_R4000PC]   "R4000PC",

        [CPU_R4000SC]   "R4000SC",

        [CPU_R4000MC]   "R4000MC",

        [CPU_R4200]     "R4200",

        [CPU_R4400PC]   "R4400PC",

        [CPU_R4400SC]   "R4400SC",

        [CPU_R4400MC]   "R4400MC",

        [CPU_R4600]     "R4600",

        [CPU_R6000]     "R6000",

        [CPU_R6000A]    "R6000A",

        [CPU_R8000]     "R8000",

        [CPU_R10000]    "R10000",

        [CPU_R12000]    "R12000",

        [CPU_R4300]     "R4300",

        [CPU_R4650]     "R4650",

        [CPU_R4700]     "R4700",

        [CPU_R5000]     "R5000",

        [CPU_R5000A]    "R5000A",

        [CPU_R4640]     "R4640",

        [CPU_NEVADA]    "Nevada",

        [CPU_RM7000]    "RM7000",

        [CPU_RM9000]    "RM9000",

        [CPU_R5432]     "R5432",

        [CPU_4KC]       "MIPS 4Kc",

        [CPU_5KC]       "MIPS 5Kc",

        [CPU_R4310]     "R4310",

        [CPU_SB1]       "SiByte SB1",

        [CPU_TX3912]    "TX3912",

        [CPU_TX3922]    "TX3922",

        [CPU_TX3927]    "TX3927",

        [CPU_AU1000]    "Au1000",

        [CPU_AU1500]    "Au1500",

        [CPU_4KEC]      "MIPS 4KEc",

        [CPU_4KSC]      "MIPS 4KSc",

        [CPU_VR41XX]    "NEC Vr41xx",

        [CPU_R5500]     "R5500",

        [CPU_TX49XX]    "TX49xx",

        [CPU_20KC]      "MIPS 20Kc",

        [CPU_24K]       "MIPS 24K",

        [CPU_25KF]      "MIPS 25Kf",

        [CPU_VR4111]    "NEC VR4111",

        [CPU_VR4121]    "NEC VR4121",

        [CPU_VR4122]    "NEC VR4122",

        [CPU_VR4131]    "NEC VR4131",

        [CPU_VR4133]    "NEC VR4133",

        [CPU_VR4181]    "NEC VR4181",

        [CPU_VR4181A]   "NEC VR4181A",

        [CPU_SR71000]   "Sandcraft SR71000"

};

static int show_cpuinfo(struct seq_file *m, void *v)

{

        unsigned int version = current_cpu_data.processor_id;

        unsigned int fp_vers = current_cpu_data.fpu_id;

        unsigned long n = (unsigned long) v - 1;

        char fmt [64];

#ifdef CONFIG_SMP

        if (!CPUMASK_TSTB(cpu_online_map, n))

                return 0;

#endif

        /*

         * For the first processor also print the system type

         */

        if (n == 0)

                seq_printf(m, "system type\t\t: %s\n", get_system_type());

        seq_printf(m, "processor\t\t: %ld\n", n);

        sprintf(fmt, "cpu model\t\t: %%s V%%d.%%d%s\n",

                cpu_has_fpu ? "  FPU V%d.%d" : "");

        seq_printf(m, fmt, cpu_name[current_cpu_data.cputype <= CPU_LAST ?

                                    current_cpu_data.cputype : CPU_UNKNOWN],

                                   (version >> 4) & 0x0f, version & 0x0f,

                                   (fp_vers >> 4) & 0x0f, fp_vers & 0x0f);

        seq_printf(m, "BogoMIPS\t\t: %lu.%02lu\n",

                      loops_per_jiffy / (500000/HZ),

                      (loops_per_jiffy / (5000/HZ)) % 100);

        seq_printf(m, "wait instruction\t: %s\n", cpu_wait ? "yes" : "no");

        seq_printf(m, "microsecond timers\t: %s\n",

                      cpu_has_counter ? "yes" : "no");

        seq_printf(m, "tlb_entries\t\t: %d\n", current_cpu_data.tlbsize);

        seq_printf(m, "extra interrupt vector\t: %s\n",

                      cpu_has_divec ? "yes" : "no");

        seq_printf(m, "hardware watchpoint\t: %s\n",

                      cpu_has_watch ? "yes" : "no");

        sprintf(fmt, "VCE%%c exceptions\t\t: %s\n",

                cpu_has_vce ? "%d" : "not available");

        seq_printf(m, fmt, 'D', vced_count);

        seq_printf(m, fmt, 'I', vcei_count);

        return 0;

}

static void *c_start(struct seq_file *m, loff_t *pos)

{

        unsigned long i = *pos;

        return i < NR_CPUS ? (void *) (i + 1) : NULL;

}

static void *c_next(struct seq_file *m, void *v, loff_t *pos)

{

        ++*pos;

        return c_start(m, pos);

}

static void c_stop(struct seq_file *m, void *v)

{

}

struct seq_operations cpuinfo_op = {

        .start  = c_start,

        .next   = c_next,

        .stop   = c_stop,

        .show   = show_cpuinfo,

};