patch-2.1.44 linux/arch/mips/kernel/proc.c

• Lines: 63
• Date: Thu Jun 26 12:33:37 1997
• Orig file: v2.1.43/linux/arch/mips/kernel/proc.c
• Orig date: Wed Dec 31 16:00:00 1969

diff -u --recursive --new-file v2.1.43/linux/arch/mips/kernel/proc.c linux/arch/mips/kernel/proc.c
@@ -0,0 +1,62 @@
+/*
+ *  linux/arch/mips/kernel/proc.c
+ *
+ *  Copyright (C) 1995, 1996  Ralf Baechle
+ */
+#include <linux/delay.h>
+#include <linux/kernel.h>
+#include <asm/bootinfo.h>
+#include <asm/mipsregs.h>
+
+unsigned long dflushes = 0;
+unsigned long iflushes = 0;
+unsigned long unaligned_instructions;
+
+/*
+ * 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)
+{
+	const char *cpu_name[] = CPU_NAMES;
+	const char *mach_group_names[] = GROUP_NAMES;
+	const char *mach_unknown_names[] = GROUP_UNKNOWN_NAMES;
+	const char *mach_jazz_names[] = GROUP_JAZZ_NAMES;
+	const char *mach_dec_names[] = GROUP_DEC_NAMES;
+	const char *mach_arc_names[] = GROUP_ARC_NAMES;
+	const char *mach_sni_rm_names[] = GROUP_SNI_RM_NAMES;
+	const char **mach_group_to_name[] = { mach_unknown_names, mach_jazz_names,
+					    mach_dec_names, mach_arc_names, mach_sni_rm_names};
+	unsigned int version = read_32bit_cp0_register(CP0_PRID);
+	int len;
+
+	len = sprintf(buffer, "cpu\t\t\t: MIPS\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);
+#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, "D-cache flushes\t\t: %lu\n",
+		       dflushes);
+	len += sprintf(buffer + len, "I-cache flushes\t\t: %lu\n",
+		       iflushes);
+	len += sprintf(buffer + len, "unaligned accesses\t: %lu\n",
+		       unaligned_instructions);
+
+	return len;
+}