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/* $Id: proc.c,v 1.1 1999/09/28 22:25:51 ralf Exp $
*
* 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.
*
* Copyright (C) 1995, 1996, 1999 Ralf Baechle
*
* XXX Rewrite this mess.
*/
#include <linux/delay.h>
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/smp.h>
#include <asm/bootinfo.h>
#include <asm/mipsregs.h>
#include <asm/processor.h>
#include <asm/watch.h>
unsigned long unaligned_instructions;
unsigned int vced_count, vcei_count;
/*
* BUFFER is PAGE_SIZE bytes long.
*
* Currently /proc/cpuinfo is being abused to print data about the
* number of date/instruction cacheflushes.
*/
int get_cpuinfo(char *buffer, char **start, off_t offset, int count)
{
char fmt [64];
struct cpuinfo_mips *c = cpu_data;
size_t len = 0;
int n;
for (n = 0; n < smp_num_cpus; n++, c++) {
len += sprintf(buffer + len, "processor\t\t: %d\n", n);
len += sprintf(buffer + len, "vendor_id\t\t: MIPS\n");
len += sprintf(buffer + len, "model name\t\t: R10000\n");
/* len += sprintf(buffer + len, "cpu model\t\t: %s V%d.%d\n",
cpu_name[mips_cputype <= CPU_LAST ?
mips_cputype :
CPU_UNKNOWN],
(version >> 4) & 0x0f,
version & 0x0f);
len += sprintf(buffer + len, "system type\t\t: %s %s\n",
mach_group_names[mips_machgroup],
mach_group_to_name[mips_machgroup][mips_machtype]);
*/
len += sprintf(buffer + len, "BogoMIPS\t\t: %lu.%02lu\n",
(loops_per_sec + 2500) / 500000,
((loops_per_sec + 2500) / 5000) % 100);
/* len += sprintf(buffer + len, "Number of cpus\t\t: %d\n", smp_num_cpus);*/
#if defined (__MIPSEB__)
len += sprintf(buffer + len, "byteorder\t\t: big endian\n");
#endif
#if defined (__MIPSEL__)
len += sprintf(buffer + len, "byteorder\t\t: little endian\n");
#endif
len += sprintf(buffer + len, "unaligned accesses\t: %lu\n",
unaligned_instructions);
len += sprintf(buffer + len, "wait instruction\t: %s\n",
wait_available ? "yes" : "no");
len += sprintf(buffer + len, "microsecond timers\t: %s\n",
cyclecounter_available ? "yes" : "no");
len += sprintf(buffer + len, "extra interrupt vector\t: %s\n",
dedicated_iv_available ? "yes" : "no");
len += sprintf(buffer + len, "hardware watchpoint\t: %s\n",
watch_available ? "yes" : "no");
sprintf(fmt, "VCE%%c exceptions\t\t: %s\n",
vce_available ? "%d" : "not available");
len += sprintf(buffer + len, fmt, 'D', vced_count);
len += sprintf(buffer + len, fmt, 'I', vcei_count);
len += sprintf(buffer + len, "\n");
if (len < offset)
offset -= len, len = 0;
else if (len >= offset + count)
goto leave_loop;
}
leave_loop:
*start = buffer + offset;
len -= offset;
if (len < 0)
len = 0;
return len > count ? count : len;
}
void init_irq_proc(void)
{
/* Nothing, for now. */
}
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