patch-2.3.48 linux/arch/mips64/kernel/proc.c

• Lines: 72
• Date: Thu Feb 24 22:53:35 2000
• Orig file: v2.3.47/linux/arch/mips64/kernel/proc.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.3.47/linux/arch/mips64/kernel/proc.c linux/arch/mips64/kernel/proc.c
@@ -0,0 +1,71 @@
+/* $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 <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 fmt [64];
+	size_t len;
+
+	len = sprintf(buffer, "cpu\t\t\t: MIPS\n");
+#if 0
+	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]);
+#endif
+	len += sprintf(buffer + len, "BogoMIPS\t\t: %lu.%02lu\n",
+		       (loops_per_sec + 2500) / 500000,
+	               ((loops_per_sec + 2500) / 5000) % 100);
+#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);
+
+	return len;
+}