/* * Copyright (C) 1995, 1996, 2001 Ralf Baechle * Copyright (C) 2001, 2004 MIPS Technologies, Inc. * Copyright (C) 2004 Maciej W. Rozycki */ #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/cpu-features.h> #include <asm/mipsregs.h> #include <asm/processor.h> unsigned int vced_count, vcei_count; static int show_cpuinfo(struct seq_file *m, void *v) { unsigned long n = (unsigned long) v - 1; unsigned int version = cpu_data[n].processor_id; unsigned int fp_vers = cpu_data[n].fpu_id; char fmt [64]; int i; #ifdef CONFIG_SMP if (!cpu_isset(n, cpu_online_map)) 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_data[n].options & MIPS_CPU_FPU ? " FPU V%d.%d" : ""); seq_printf(m, fmt, __cpu_name[n], (version >> 4) & 0x0f, version & 0x0f, (fp_vers >> 4) & 0x0f, fp_vers & 0x0f); seq_printf(m, "BogoMIPS\t\t: %u.%02u\n", cpu_data[n].udelay_val / (500000/HZ), (cpu_data[n].udelay_val / (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", cpu_data[n].tlbsize); seq_printf(m, "extra interrupt vector\t: %s\n", cpu_has_divec ? "yes" : "no"); seq_printf(m, "hardware watchpoint\t: %s", cpu_has_watch ? "yes, " : "no\n"); if (cpu_has_watch) { seq_printf(m, "count: %d, address/irw mask: [", cpu_data[n].watch_reg_count); for (i = 0; i < cpu_data[n].watch_reg_count; i++) seq_printf(m, "%s0x%04x", i ? ", " : "" , cpu_data[n].watch_reg_masks[i]); seq_printf(m, "]\n"); } seq_printf(m, "ASEs implemented\t:%s%s%s%s%s%s\n", cpu_has_mips16 ? " mips16" : "", cpu_has_mdmx ? " mdmx" : "", cpu_has_mips3d ? " mips3d" : "", cpu_has_smartmips ? " smartmips" : "", cpu_has_dsp ? " dsp" : "", cpu_has_mipsmt ? " mt" : "" ); seq_printf(m, "shadow register sets\t: %d\n", cpu_data[n].srsets); seq_printf(m, "core\t\t\t: %d\n", cpu_data[n].core); sprintf(fmt, "VCE%%c exceptions\t\t: %s\n", cpu_has_vce ? "%u" : "not available"); seq_printf(m, fmt, 'D', vced_count); seq_printf(m, fmt, 'I', vcei_count); seq_printf(m, "\n"); 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) { } const struct seq_operations cpuinfo_op = { .start = c_start, .next = c_next, .stop = c_stop, .show = show_cpuinfo, };