// SPDX-License-Identifier: GPL-2.0/* * 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/idle.h>#include <asm/mipsregs.h>#include <asm/processor.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; char fmt[64]; int i; #ifdef CONFIG_SMP if (!cpu_online(n)) 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()); if (mips_get_machine_name()) seq_printf(m, "machine\t\t\t: %s\n", mips_get_machine_name()); } 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_puts(m, "]\n"); } seq_puts(m, "isa\t\t\t:"); if (cpu_has_mips_1) seq_puts(m, " mips1"); if (cpu_has_mips_2) seq_puts(m, " mips2"); if (cpu_has_mips_3) seq_puts(m, " mips3"); if (cpu_has_mips_4) seq_puts(m, " mips4"); if (cpu_has_mips_5) seq_puts(m, " mips5"); if (cpu_has_mips32r1) seq_puts(m, " mips32r1"); if (cpu_has_mips32r2) seq_puts(m, " mips32r2"); if (cpu_has_mips32r5) seq_puts(m, " mips32r5"); if (cpu_has_mips32r6) seq_puts(m, " mips32r6"); if (cpu_has_mips64r1) seq_puts(m, " mips64r1"); if (cpu_has_mips64r2) seq_puts(m, " mips64r2"); if (cpu_has_mips64r5) seq_puts(m, " mips64r5"); if (cpu_has_mips64r6) seq_puts(m, " mips64r6"); seq_puts(m, "\n"); seq_puts(m, "ASEs implemented\t:"); if (cpu_has_mips16) seq_puts(m, " mips16"); if (cpu_has_mips16e2) seq_puts(m, " mips16e2"); if (cpu_has_mdmx) seq_puts(m, " mdmx"); if (cpu_has_mips3d) seq_puts(m, " mips3d"); if (cpu_has_smartmips) seq_puts(m, " smartmips"); if (cpu_has_dsp) seq_puts(m, " dsp"); if (cpu_has_dsp2) seq_puts(m, " dsp2"); if (cpu_has_dsp3) seq_puts(m, " dsp3"); if (cpu_has_mipsmt) seq_puts(m, " mt"); if (cpu_has_mmips) seq_puts(m, " micromips"); if (cpu_has_vz) seq_puts(m, " vz"); if (cpu_has_msa) seq_puts(m, " msa"); if (cpu_has_eva) seq_puts(m, " eva"); if (cpu_has_htw) seq_puts(m, " htw"); if (cpu_has_xpa) seq_puts(m, " xpa"); if (cpu_has_loongson_mmi) seq_puts(m, " loongson-mmi"); if (cpu_has_loongson_cam) seq_puts(m, " loongson-cam"); if (cpu_has_loongson_ext) seq_puts(m, " loongson-ext"); if (cpu_has_loongson_ext2) seq_puts(m, " loongson-ext2"); seq_puts(m, "\n"); if (cpu_has_mmips) { seq_printf(m, "micromips kernel\t: %s\n", (read_c0_config3() & MIPS_CONF3_ISA_OE) ? "yes" : "no"); } seq_puts(m, "Options implemented\t:"); if (cpu_has_tlb) seq_puts(m, " tlb"); if (cpu_has_ftlb) seq_puts(m, " ftlb"); if (cpu_has_tlbinv) seq_puts(m, " tlbinv"); if (cpu_has_segments) seq_puts(m, " segments"); if (cpu_has_rixiex) seq_puts(m, " rixiex"); if (cpu_has_ldpte) seq_puts(m, " ldpte"); if (cpu_has_maar) seq_puts(m, " maar"); if (cpu_has_rw_llb) seq_puts(m, " rw_llb"); if (cpu_has_4kex) seq_puts(m, " 4kex"); if (cpu_has_3k_cache) seq_puts(m, " 3k_cache"); if (cpu_has_4k_cache) seq_puts(m, " 4k_cache"); if (cpu_has_octeon_cache) seq_puts(m, " octeon_cache"); if (raw_cpu_has_fpu) seq_puts(m, " fpu"); if (cpu_has_32fpr) seq_puts(m, " 32fpr"); if (cpu_has_cache_cdex_p) seq_puts(m, " cache_cdex_p"); if (cpu_has_cache_cdex_s) seq_puts(m, " cache_cdex_s"); if (cpu_has_prefetch) seq_puts(m, " prefetch"); if (cpu_has_mcheck) seq_puts(m, " mcheck"); if (cpu_has_ejtag) seq_puts(m, " ejtag"); if (cpu_has_llsc) seq_puts(m, " llsc"); if (cpu_has_guestctl0ext) seq_puts(m, " guestctl0ext"); if (cpu_has_guestctl1) seq_puts(m, " guestctl1"); if (cpu_has_guestctl2) seq_puts(m, " guestctl2"); if (cpu_has_guestid) seq_puts(m, " guestid"); if (cpu_has_drg) seq_puts(m, " drg"); if (cpu_has_rixi) seq_puts(m, " rixi"); if (cpu_has_lpa) seq_puts(m, " lpa"); if (cpu_has_mvh) seq_puts(m, " mvh"); if (cpu_has_vtag_icache) seq_puts(m, " vtag_icache"); if (cpu_has_dc_aliases) seq_puts(m, " dc_aliases"); if (cpu_has_ic_fills_f_dc) seq_puts(m, " ic_fills_f_dc"); if (cpu_has_pindexed_dcache) seq_puts(m, " pindexed_dcache"); if (cpu_has_userlocal) seq_puts(m, " userlocal"); if (cpu_has_nofpuex) seq_puts(m, " nofpuex"); if (cpu_has_vint) seq_puts(m, " vint"); if (cpu_has_veic) seq_puts(m, " veic"); if (cpu_has_inclusive_pcaches) seq_puts(m, " inclusive_pcaches"); if (cpu_has_perf_cntr_intr_bit) seq_puts(m, " perf_cntr_intr_bit"); if (cpu_has_ufr) seq_puts(m, " ufr"); if (cpu_has_fre) seq_puts(m, " fre"); if (cpu_has_cdmm) seq_puts(m, " cdmm"); if (cpu_has_small_pages) seq_puts(m, " small_pages"); if (cpu_has_nan_legacy) seq_puts(m, " nan_legacy"); if (cpu_has_nan_2008) seq_puts(m, " nan_2008"); if (cpu_has_ebase_wg) seq_puts(m, " ebase_wg"); if (cpu_has_badinstr) seq_puts(m, " badinstr"); if (cpu_has_badinstrp) seq_puts(m, " badinstrp"); if (cpu_has_contextconfig) seq_puts(m, " contextconfig"); if (cpu_has_perf) seq_puts(m, " perf"); if (cpu_has_mac2008_only) seq_puts(m, " mac2008_only"); if (cpu_has_ftlbparex) seq_puts(m, " ftlbparex"); if (cpu_has_gsexcex) seq_puts(m, " gsexcex"); if (cpu_has_shared_ftlb_ram) seq_puts(m, " shared_ftlb_ram"); if (cpu_has_shared_ftlb_entries) seq_puts(m, " shared_ftlb_entries"); if (cpu_has_mipsmt_pertccounters) seq_puts(m, " mipsmt_pertccounters"); if (cpu_has_mmid) seq_puts(m, " mmid"); if (cpu_has_mm_sysad) seq_puts(m, " mm_sysad"); if (cpu_has_mm_full) seq_puts(m, " mm_full"); seq_puts(m, "\n"); seq_printf(m, "shadow register sets\t: %d\n", cpu_data[n].srsets); seq_printf(m, "kscratch registers\t: %d\n", hweight8(cpu_data[n].kscratch_mask)); seq_printf(m, "package\t\t\t: %d\n", cpu_data[n].package); seq_printf(m, "core\t\t\t: %d\n", cpu_core(&cpu_data[n])); #if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_CPU_MIPSR6) if (cpu_has_mipsmt) seq_printf(m, "VPE\t\t\t: %d\n", cpu_vpe_id(&cpu_data[n])); else if (cpu_has_vp) seq_printf(m, "VP\t\t\t: %d\n", cpu_vpe_id(&cpu_data[n]));#endif 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); 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_puts(m, "\n"); return 0;} static void *c_start(struct seq_file *m, loff_t *pos){ unsigned long i = *pos; return i < nr_cpu_ids ? (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,};
// SPDX-License-Identifier: GPL-2.0
/*
* 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/idle.h>
#include <asm/mipsregs.h>
#include <asm/processor.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;
char fmt[64];
int i;
#ifdef CONFIG_SMP
if (!cpu_online(n))
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());
if (mips_get_machine_name())
seq_printf(m, "machine\t\t\t: %s\n",
mips_get_machine_name());
}
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_puts(m, "]\n");
}
seq_puts(m, "isa\t\t\t:");
if (cpu_has_mips_1)
seq_puts(m, " mips1");
if (cpu_has_mips_2)
seq_puts(m, " mips2");
if (cpu_has_mips_3)
seq_puts(m, " mips3");
if (cpu_has_mips_4)
seq_puts(m, " mips4");
if (cpu_has_mips_5)
seq_puts(m, " mips5");
if (cpu_has_mips32r1)
seq_puts(m, " mips32r1");
if (cpu_has_mips32r2)
seq_puts(m, " mips32r2");
if (cpu_has_mips32r5)
seq_puts(m, " mips32r5");
if (cpu_has_mips32r6)
seq_puts(m, " mips32r6");
if (cpu_has_mips64r1)
seq_puts(m, " mips64r1");
if (cpu_has_mips64r2)
seq_puts(m, " mips64r2");
if (cpu_has_mips64r5)
seq_puts(m, " mips64r5");
if (cpu_has_mips64r6)
seq_puts(m, " mips64r6");
seq_puts(m, "\n");
seq_puts(m, "ASEs implemented\t:");
if (cpu_has_mips16)
seq_puts(m, " mips16");
if (cpu_has_mips16e2)
seq_puts(m, " mips16e2");
if (cpu_has_mdmx)
seq_puts(m, " mdmx");
if (cpu_has_mips3d)
seq_puts(m, " mips3d");
if (cpu_has_smartmips)
seq_puts(m, " smartmips");
if (cpu_has_dsp)
seq_puts(m, " dsp");
if (cpu_has_dsp2)
seq_puts(m, " dsp2");
if (cpu_has_dsp3)
seq_puts(m, " dsp3");
if (cpu_has_mipsmt)
seq_puts(m, " mt");
if (cpu_has_mmips)
seq_puts(m, " micromips");
if (cpu_has_vz)
seq_puts(m, " vz");
if (cpu_has_msa)
seq_puts(m, " msa");
if (cpu_has_eva)
seq_puts(m, " eva");
if (cpu_has_htw)
seq_puts(m, " htw");
if (cpu_has_xpa)
seq_puts(m, " xpa");
if (cpu_has_loongson_mmi)
seq_puts(m, " loongson-mmi");
if (cpu_has_loongson_cam)
seq_puts(m, " loongson-cam");
if (cpu_has_loongson_ext)
seq_puts(m, " loongson-ext");
if (cpu_has_loongson_ext2)
seq_puts(m, " loongson-ext2");
seq_puts(m, "\n");
if (cpu_has_mmips) {
seq_printf(m, "micromips kernel\t: %s\n",
(read_c0_config3() & MIPS_CONF3_ISA_OE) ? "yes" : "no");
}
seq_puts(m, "Options implemented\t:");
if (cpu_has_tlb)
seq_puts(m, " tlb");
if (cpu_has_ftlb)
seq_puts(m, " ftlb");
if (cpu_has_tlbinv)
seq_puts(m, " tlbinv");
if (cpu_has_segments)
seq_puts(m, " segments");
if (cpu_has_rixiex)
seq_puts(m, " rixiex");
if (cpu_has_ldpte)
seq_puts(m, " ldpte");
if (cpu_has_maar)
seq_puts(m, " maar");
if (cpu_has_rw_llb)
seq_puts(m, " rw_llb");
if (cpu_has_4kex)
seq_puts(m, " 4kex");
if (cpu_has_3k_cache)
seq_puts(m, " 3k_cache");
if (cpu_has_4k_cache)
seq_puts(m, " 4k_cache");
if (cpu_has_octeon_cache)
seq_puts(m, " octeon_cache");
if (raw_cpu_has_fpu)
seq_puts(m, " fpu");
if (cpu_has_32fpr)
seq_puts(m, " 32fpr");
if (cpu_has_cache_cdex_p)
seq_puts(m, " cache_cdex_p");
if (cpu_has_cache_cdex_s)
seq_puts(m, " cache_cdex_s");
if (cpu_has_prefetch)
seq_puts(m, " prefetch");
if (cpu_has_mcheck)
seq_puts(m, " mcheck");
if (cpu_has_ejtag)
seq_puts(m, " ejtag");
if (cpu_has_llsc)
seq_puts(m, " llsc");
if (cpu_has_guestctl0ext)
seq_puts(m, " guestctl0ext");
if (cpu_has_guestctl1)
seq_puts(m, " guestctl1");
if (cpu_has_guestctl2)
seq_puts(m, " guestctl2");
if (cpu_has_guestid)
seq_puts(m, " guestid");
if (cpu_has_drg)
seq_puts(m, " drg");
if (cpu_has_rixi)
seq_puts(m, " rixi");
if (cpu_has_lpa)
seq_puts(m, " lpa");
if (cpu_has_mvh)
seq_puts(m, " mvh");
if (cpu_has_vtag_icache)
seq_puts(m, " vtag_icache");
if (cpu_has_dc_aliases)
seq_puts(m, " dc_aliases");
if (cpu_has_ic_fills_f_dc)
seq_puts(m, " ic_fills_f_dc");
if (cpu_has_pindexed_dcache)
seq_puts(m, " pindexed_dcache");
if (cpu_has_userlocal)
seq_puts(m, " userlocal");
if (cpu_has_nofpuex)
seq_puts(m, " nofpuex");
if (cpu_has_vint)
seq_puts(m, " vint");
if (cpu_has_veic)
seq_puts(m, " veic");
if (cpu_has_inclusive_pcaches)
seq_puts(m, " inclusive_pcaches");
if (cpu_has_perf_cntr_intr_bit)
seq_puts(m, " perf_cntr_intr_bit");
if (cpu_has_ufr)
seq_puts(m, " ufr");
if (cpu_has_fre)
seq_puts(m, " fre");
if (cpu_has_cdmm)
seq_puts(m, " cdmm");
if (cpu_has_small_pages)
seq_puts(m, " small_pages");
if (cpu_has_nan_legacy)
seq_puts(m, " nan_legacy");
if (cpu_has_nan_2008)
seq_puts(m, " nan_2008");
if (cpu_has_ebase_wg)
seq_puts(m, " ebase_wg");
if (cpu_has_badinstr)
seq_puts(m, " badinstr");
if (cpu_has_badinstrp)
seq_puts(m, " badinstrp");
if (cpu_has_contextconfig)
seq_puts(m, " contextconfig");
if (cpu_has_perf)
seq_puts(m, " perf");
if (cpu_has_mac2008_only)
seq_puts(m, " mac2008_only");
if (cpu_has_ftlbparex)
seq_puts(m, " ftlbparex");
if (cpu_has_gsexcex)
seq_puts(m, " gsexcex");
if (cpu_has_shared_ftlb_ram)
seq_puts(m, " shared_ftlb_ram");
if (cpu_has_shared_ftlb_entries)
seq_puts(m, " shared_ftlb_entries");
if (cpu_has_mipsmt_pertccounters)
seq_puts(m, " mipsmt_pertccounters");
if (cpu_has_mmid)
seq_puts(m, " mmid");
if (cpu_has_mm_sysad)
seq_puts(m, " mm_sysad");
if (cpu_has_mm_full)
seq_puts(m, " mm_full");
seq_puts(m, "\n");
seq_printf(m, "shadow register sets\t: %d\n",
cpu_data[n].srsets);
seq_printf(m, "kscratch registers\t: %d\n",
hweight8(cpu_data[n].kscratch_mask));
seq_printf(m, "package\t\t\t: %d\n", cpu_data[n].package);
seq_printf(m, "core\t\t\t: %d\n", cpu_core(&cpu_data[n]));
#if defined(CONFIG_MIPS_MT_SMP) || defined(CONFIG_CPU_MIPSR6)
if (cpu_has_mipsmt)
seq_printf(m, "VPE\t\t\t: %d\n", cpu_vpe_id(&cpu_data[n]));
else if (cpu_has_vp)
seq_printf(m, "VP\t\t\t: %d\n", cpu_vpe_id(&cpu_data[n]));
#endif
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);
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_puts(m, "\n");
return 0;
}
static void *c_start(struct seq_file *m, loff_t *pos)
{
unsigned long i = *pos;
return i < nr_cpu_ids ? (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,
};