x86: split cpuinfo from setup_64.c into cpu/proc_64.c
x86 /proc/cpuinfo code can be unified. This is the first step of unification. Signed-off-by: Hiroshi Shimamoto <h-shimamoto@ct.jp.nec.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Hiroshi Shimamoto
Ingo Molnar
parent
637cba0261
commit
8fa6878ffc
3 changed files with 127 additions and 120 deletions
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@ -13,6 +13,7 @@ obj-$(CONFIG_X86_32) += transmeta.o
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obj-$(CONFIG_X86_32) += intel.o
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obj-$(CONFIG_X86_32) += nexgen.o
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obj-$(CONFIG_X86_32) += umc.o
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obj-$(CONFIG_X86_64) += proc_64.o
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obj-$(CONFIG_X86_MCE) += mcheck/
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obj-$(CONFIG_MTRR) += mtrr/
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126
arch/x86/kernel/cpu/proc_64.c
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126
arch/x86/kernel/cpu/proc_64.c
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@ -0,0 +1,126 @@
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#include <linux/smp.h>
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#include <linux/timex.h>
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#include <linux/string.h>
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#include <asm/semaphore.h>
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#include <linux/seq_file.h>
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#include <linux/cpufreq.h>
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/*
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* Get CPU information for use by the procfs.
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*/
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static int show_cpuinfo(struct seq_file *m, void *v)
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{
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struct cpuinfo_x86 *c = v;
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int cpu = 0, i;
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#ifdef CONFIG_SMP
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cpu = c->cpu_index;
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#endif
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seq_printf(m, "processor\t: %u\n"
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"vendor_id\t: %s\n"
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"cpu family\t: %d\n"
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"model\t\t: %d\n"
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"model name\t: %s\n",
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(unsigned)cpu,
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c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
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c->x86,
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(int)c->x86_model,
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c->x86_model_id[0] ? c->x86_model_id : "unknown");
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if (c->x86_mask || c->cpuid_level >= 0)
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seq_printf(m, "stepping\t: %d\n", c->x86_mask);
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else
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seq_printf(m, "stepping\t: unknown\n");
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if (cpu_has(c, X86_FEATURE_TSC)) {
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unsigned int freq = cpufreq_quick_get((unsigned)cpu);
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if (!freq)
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freq = cpu_khz;
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seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
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freq / 1000, (freq % 1000));
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}
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/* Cache size */
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if (c->x86_cache_size >= 0)
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seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
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#ifdef CONFIG_SMP
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if (smp_num_siblings * c->x86_max_cores > 1) {
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seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
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seq_printf(m, "siblings\t: %d\n",
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cpus_weight(per_cpu(cpu_core_map, cpu)));
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seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
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seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
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}
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#endif
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seq_printf(m,
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"fpu\t\t: yes\n"
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"fpu_exception\t: yes\n"
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"cpuid level\t: %d\n"
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"wp\t\t: yes\n"
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"flags\t\t:",
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c->cpuid_level);
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for (i = 0; i < 32*NCAPINTS; i++)
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if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
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seq_printf(m, " %s", x86_cap_flags[i]);
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seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
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c->loops_per_jiffy/(500000/HZ),
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(c->loops_per_jiffy/(5000/HZ)) % 100);
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if (c->x86_tlbsize > 0)
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seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize);
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seq_printf(m, "clflush size\t: %d\n", c->x86_clflush_size);
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seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment);
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seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n",
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c->x86_phys_bits, c->x86_virt_bits);
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seq_printf(m, "power management:");
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for (i = 0; i < 32; i++) {
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if (c->x86_power & (1 << i)) {
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if (i < ARRAY_SIZE(x86_power_flags) &&
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x86_power_flags[i])
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seq_printf(m, "%s%s",
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x86_power_flags[i][0]?" ":"",
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x86_power_flags[i]);
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else
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seq_printf(m, " [%d]", i);
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}
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}
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seq_printf(m, "\n\n");
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return 0;
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}
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static void *c_start(struct seq_file *m, loff_t *pos)
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{
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if (*pos == 0) /* just in case, cpu 0 is not the first */
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*pos = first_cpu(cpu_online_map);
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if ((*pos) < NR_CPUS && cpu_online(*pos))
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return &cpu_data(*pos);
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return NULL;
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}
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static void *c_next(struct seq_file *m, void *v, loff_t *pos)
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{
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*pos = next_cpu(*pos, cpu_online_map);
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return c_start(m, pos);
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}
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static void c_stop(struct seq_file *m, void *v)
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{
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}
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const struct seq_operations cpuinfo_op = {
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.start = c_start,
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.next = c_next,
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.stop = c_stop,
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.show = show_cpuinfo,
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};
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@ -1068,123 +1068,3 @@ static __init int setup_disablecpuid(char *arg)
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return 1;
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}
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__setup("clearcpuid=", setup_disablecpuid);
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/*
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* Get CPU information for use by the procfs.
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*/
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static int show_cpuinfo(struct seq_file *m, void *v)
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{
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struct cpuinfo_x86 *c = v;
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int cpu = 0, i;
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#ifdef CONFIG_SMP
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cpu = c->cpu_index;
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#endif
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seq_printf(m, "processor\t: %u\n"
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"vendor_id\t: %s\n"
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"cpu family\t: %d\n"
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"model\t\t: %d\n"
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"model name\t: %s\n",
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(unsigned)cpu,
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c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
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c->x86,
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(int)c->x86_model,
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c->x86_model_id[0] ? c->x86_model_id : "unknown");
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if (c->x86_mask || c->cpuid_level >= 0)
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seq_printf(m, "stepping\t: %d\n", c->x86_mask);
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else
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seq_printf(m, "stepping\t: unknown\n");
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if (cpu_has(c, X86_FEATURE_TSC)) {
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unsigned int freq = cpufreq_quick_get((unsigned)cpu);
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if (!freq)
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freq = cpu_khz;
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seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
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freq / 1000, (freq % 1000));
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}
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/* Cache size */
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if (c->x86_cache_size >= 0)
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seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
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#ifdef CONFIG_SMP
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if (smp_num_siblings * c->x86_max_cores > 1) {
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seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
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seq_printf(m, "siblings\t: %d\n",
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cpus_weight(per_cpu(cpu_core_map, cpu)));
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seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
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seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
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}
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#endif
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seq_printf(m,
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"fpu\t\t: yes\n"
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"fpu_exception\t: yes\n"
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"cpuid level\t: %d\n"
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"wp\t\t: yes\n"
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"flags\t\t:",
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c->cpuid_level);
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for (i = 0; i < 32*NCAPINTS; i++)
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if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
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seq_printf(m, " %s", x86_cap_flags[i]);
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seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
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c->loops_per_jiffy/(500000/HZ),
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(c->loops_per_jiffy/(5000/HZ)) % 100);
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if (c->x86_tlbsize > 0)
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seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize);
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seq_printf(m, "clflush size\t: %d\n", c->x86_clflush_size);
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seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment);
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seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n",
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c->x86_phys_bits, c->x86_virt_bits);
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seq_printf(m, "power management:");
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for (i = 0; i < 32; i++) {
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if (c->x86_power & (1 << i)) {
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if (i < ARRAY_SIZE(x86_power_flags) &&
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x86_power_flags[i])
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seq_printf(m, "%s%s",
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x86_power_flags[i][0]?" ":"",
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x86_power_flags[i]);
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else
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seq_printf(m, " [%d]", i);
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}
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}
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seq_printf(m, "\n\n");
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return 0;
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}
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static void *c_start(struct seq_file *m, loff_t *pos)
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{
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if (*pos == 0) /* just in case, cpu 0 is not the first */
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*pos = first_cpu(cpu_online_map);
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if ((*pos) < NR_CPUS && cpu_online(*pos))
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return &cpu_data(*pos);
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return NULL;
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}
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static void *c_next(struct seq_file *m, void *v, loff_t *pos)
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{
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*pos = next_cpu(*pos, cpu_online_map);
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return c_start(m, pos);
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}
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static void c_stop(struct seq_file *m, void *v)
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{
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}
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const struct seq_operations cpuinfo_op = {
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.start = c_start,
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.next = c_next,
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.stop = c_stop,
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.show = show_cpuinfo,
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};
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