diff options
Diffstat (limited to 'arch/mips/kernel/proc.c')
| -rw-r--r-- | arch/mips/kernel/proc.c | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c new file mode 100644 index 000000000000..0f159f30e894 --- /dev/null +++ b/arch/mips/kernel/proc.c @@ -0,0 +1,149 @@ +/* + * 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/cpu-features.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 (!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_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 ? "%u" : "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, +}; |