#include <linux/seq_file.h> #include <linux/kernel.h> #include <linux/module.h> #include <asm/machvec.h> #include <asm/processor.h> static const char *cpu_name[] = { [CPU_SH7201] = "SH7201", [CPU_SH7203] = "SH7203", [CPU_SH7263] = "SH7263", [CPU_SH7264] = "SH7264", [CPU_SH7269] = "SH7269", [CPU_SH7206] = "SH7206", [CPU_SH7619] = "SH7619", [CPU_SH7705] = "SH7705", [CPU_SH7706] = "SH7706", [CPU_SH7707] = "SH7707", [CPU_SH7708] = "SH7708", [CPU_SH7709] = "SH7709", [CPU_SH7710] = "SH7710", [CPU_SH7712] = "SH7712", [CPU_SH7720] = "SH7720", [CPU_SH7721] = "SH7721", [CPU_SH7729] = "SH7729", [CPU_SH7750] = "SH7750", [CPU_SH7750S] = "SH7750S", [CPU_SH7750R] = "SH7750R", [CPU_SH7751] = "SH7751", [CPU_SH7751R] = "SH7751R", [CPU_SH7760] = "SH7760", [CPU_SH4_202] = "SH4-202", [CPU_SH4_501] = "SH4-501", [CPU_SH7763] = "SH7763", [CPU_SH7770] = "SH7770", [CPU_SH7780] = "SH7780", [CPU_SH7781] = "SH7781", [CPU_SH7343] = "SH7343", [CPU_SH7785] = "SH7785", [CPU_SH7786] = "SH7786", [CPU_SH7757] = "SH7757", [CPU_SH7722] = "SH7722", [CPU_SHX3] = "SH-X3", [CPU_SH5_101] = "SH5-101", [CPU_SH5_103] = "SH5-103", [CPU_MXG] = "MX-G", [CPU_SH7723] = "SH7723", [CPU_SH7366] = "SH7366", [CPU_SH7724] = "SH7724", [CPU_SH7372] = "SH7372", [CPU_SH7734] = "SH7734", [CPU_SH_NONE] = "Unknown" }; const char *get_cpu_subtype(struct sh_cpuinfo *c) { return cpu_name[c->type]; } EXPORT_SYMBOL(get_cpu_subtype); #ifdef CONFIG_PROC_FS /* Symbolic CPU flags, keep in sync with asm/cpu-features.h */ static const char *cpu_flags[] = { "none", "fpu", "p2flush", "mmuassoc", "dsp", "perfctr", "ptea", "llsc", "l2", "op32", "pteaex", NULL }; static void show_cpuflags(struct seq_file *m, struct sh_cpuinfo *c) { unsigned long i; seq_printf(m, "cpu flags\t:"); if (!c->flags) { seq_printf(m, " %s\n", cpu_flags[0]); return; } for (i = 0; cpu_flags[i]; i++) if ((c->flags & (1 << i))) seq_printf(m, " %s", cpu_flags[i+1]); seq_printf(m, "\n"); } static void show_cacheinfo(struct seq_file *m, const char *type, struct cache_info info) { unsigned int cache_size; cache_size = info.ways * info.sets * info.linesz; seq_printf(m, "%s size\t: %2dKiB (%d-way)\n", type, cache_size >> 10, info.ways); } /* * Get CPU information for use by the procfs. */ static int show_cpuinfo(struct seq_file *m, void *v) { struct sh_cpuinfo *c = v; unsigned int cpu = c - cpu_data; if (!cpu_online(cpu)) return 0; if (cpu == 0) seq_printf(m, "machine\t\t: %s\n", get_system_type()); else seq_printf(m, "\n"); seq_printf(m, "processor\t: %d\n", cpu); seq_printf(m, "cpu family\t: %s\n", init_utsname()->machine); seq_printf(m, "cpu type\t: %s\n", get_cpu_subtype(c)); if (c->cut_major == -1) seq_printf(m, "cut\t\t: unknown\n"); else if (c->cut_minor == -1) seq_printf(m, "cut\t\t: %d.x\n", c->cut_major); else seq_printf(m, "cut\t\t: %d.%d\n", c->cut_major, c->cut_minor); show_cpuflags(m, c); seq_printf(m, "cache type\t: "); /* * Check for what type of cache we have, we support both the * unified cache on the SH-2 and SH-3, as well as the harvard * style cache on the SH-4. */ if (c->icache.flags & SH_CACHE_COMBINED) { seq_printf(m, "unified\n"); show_cacheinfo(m, "cache", c->icache); } else { seq_printf(m, "split (harvard)\n"); show_cacheinfo(m, "icache", c->icache); show_cacheinfo(m, "dcache", c->dcache); } /* Optional secondary cache */ if (c->flags & CPU_HAS_L2_CACHE) show_cacheinfo(m, "scache", c->scache); seq_printf(m, "address sizes\t: %u bits physical\n", c->phys_bits); seq_printf(m, "bogomips\t: %lu.%02lu\n", c->loops_per_jiffy/(500000/HZ), (c->loops_per_jiffy/(5000/HZ)) % 100); return 0; } static void *c_start(struct seq_file *m, loff_t *pos) { return *pos < NR_CPUS ? cpu_data + *pos : 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, }; #endif /* CONFIG_PROC_FS */