diff options
Diffstat (limited to 'arch/mips/kernel/proc.c')
| -rw-r--r-- | arch/mips/kernel/proc.c | 74 |
1 files changed, 64 insertions, 10 deletions
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c index 5542817c1b4..037a44d962f 100644 --- a/arch/mips/kernel/proc.c +++ b/arch/mips/kernel/proc.c @@ -1,7 +1,7 @@ /* * Copyright (C) 1995, 1996, 2001 Ralf Baechle * Copyright (C) 2001, 2004 MIPS Technologies, Inc. - * Copyright (C) 2004 Maciej W. Rozycki + * Copyright (C) 2004 Maciej W. Rozycki */ #include <linux/delay.h> #include <linux/kernel.h> @@ -10,14 +10,31 @@ #include <asm/bootinfo.h> #include <asm/cpu.h> #include <asm/cpu-features.h> +#include <asm/idle.h> #include <asm/mipsregs.h> #include <asm/processor.h> -#include <asm/mips_machine.h> +#include <asm/prom.h> unsigned int vced_count, vcei_count; +/* + * * No lock; only written during early bootup by CPU 0. + * */ +static RAW_NOTIFIER_HEAD(proc_cpuinfo_chain); + +int __ref register_proc_cpuinfo_notifier(struct notifier_block *nb) +{ + return raw_notifier_chain_register(&proc_cpuinfo_chain, nb); +} + +int proc_cpuinfo_notifier_call_chain(unsigned long val, void *v) +{ + return raw_notifier_call_chain(&proc_cpuinfo_chain, val, v); +} + static int show_cpuinfo(struct seq_file *m, void *v) { + struct proc_cpuinfo_notifier_args proc_cpuinfo_notifier_args; unsigned long n = (unsigned long) v - 1; unsigned int version = cpu_data[n].processor_id; unsigned int fp_vers = cpu_data[n].fpu_id; @@ -64,14 +81,44 @@ static int show_cpuinfo(struct seq_file *m, void *v) 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, "isa\t\t\t: mips1"); + if (cpu_has_mips_2) + seq_printf(m, "%s", " mips2"); + if (cpu_has_mips_3) + seq_printf(m, "%s", " mips3"); + if (cpu_has_mips_4) + seq_printf(m, "%s", " mips4"); + if (cpu_has_mips_5) + seq_printf(m, "%s", " mips5"); + if (cpu_has_mips32r1) + seq_printf(m, "%s", " mips32r1"); + if (cpu_has_mips32r2) + seq_printf(m, "%s", " mips32r2"); + if (cpu_has_mips64r1) + seq_printf(m, "%s", " mips64r1"); + if (cpu_has_mips64r2) + seq_printf(m, "%s", " mips64r2"); + seq_printf(m, "\n"); + + seq_printf(m, "ASEs implemented\t:"); + if (cpu_has_mips16) seq_printf(m, "%s", " mips16"); + if (cpu_has_mdmx) seq_printf(m, "%s", " mdmx"); + if (cpu_has_mips3d) seq_printf(m, "%s", " mips3d"); + if (cpu_has_smartmips) seq_printf(m, "%s", " smartmips"); + if (cpu_has_dsp) seq_printf(m, "%s", " dsp"); + if (cpu_has_dsp2) seq_printf(m, "%s", " dsp2"); + if (cpu_has_mipsmt) seq_printf(m, "%s", " mt"); + if (cpu_has_mmips) seq_printf(m, "%s", " micromips"); + if (cpu_has_vz) seq_printf(m, "%s", " vz"); + if (cpu_has_msa) seq_printf(m, "%s", " msa"); + if (cpu_has_eva) seq_printf(m, "%s", " eva"); + seq_printf(m, "\n"); + + if (cpu_has_mmips) { + seq_printf(m, "micromips kernel\t: %s\n", + (read_c0_config3() & MIPS_CONF3_ISA_OE) ? "yes" : "no"); + } seq_printf(m, "shadow register sets\t: %d\n", cpu_data[n].srsets); seq_printf(m, "kscratch registers\t: %d\n", @@ -82,6 +129,13 @@ static int show_cpuinfo(struct seq_file *m, void *v) cpu_has_vce ? "%u" : "not available"); seq_printf(m, fmt, 'D', vced_count); seq_printf(m, fmt, 'I', vcei_count); + + proc_cpuinfo_notifier_args.m = m; + proc_cpuinfo_notifier_args.n = n; + + raw_notifier_call_chain(&proc_cpuinfo_chain, 0, + &proc_cpuinfo_notifier_args); + seq_printf(m, "\n"); return 0; |