mirror of
https://github.com/torvalds/linux.git
synced 2024-11-08 05:01:48 +00:00
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
@ -13,6 +13,7 @@ obj-$(CONFIG_X86_32) += transmeta.o
|
||||
obj-$(CONFIG_X86_32) += intel.o
|
||||
obj-$(CONFIG_X86_32) += nexgen.o
|
||||
obj-$(CONFIG_X86_32) += umc.o
|
||||
obj-$(CONFIG_X86_64) += proc_64.o
|
||||
|
||||
obj-$(CONFIG_X86_MCE) += mcheck/
|
||||
obj-$(CONFIG_MTRR) += mtrr/
|
||||
|
||||
126
arch/x86/kernel/cpu/proc_64.c
Normal file
126
arch/x86/kernel/cpu/proc_64.c
Normal file
@ -0,0 +1,126 @@
|
||||
#include <linux/smp.h>
|
||||
#include <linux/timex.h>
|
||||
#include <linux/string.h>
|
||||
#include <asm/semaphore.h>
|
||||
#include <linux/seq_file.h>
|
||||
#include <linux/cpufreq.h>
|
||||
|
||||
/*
|
||||
* Get CPU information for use by the procfs.
|
||||
*/
|
||||
|
||||
static int show_cpuinfo(struct seq_file *m, void *v)
|
||||
{
|
||||
struct cpuinfo_x86 *c = v;
|
||||
int cpu = 0, i;
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
cpu = c->cpu_index;
|
||||
#endif
|
||||
|
||||
seq_printf(m, "processor\t: %u\n"
|
||||
"vendor_id\t: %s\n"
|
||||
"cpu family\t: %d\n"
|
||||
"model\t\t: %d\n"
|
||||
"model name\t: %s\n",
|
||||
(unsigned)cpu,
|
||||
c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
|
||||
c->x86,
|
||||
(int)c->x86_model,
|
||||
c->x86_model_id[0] ? c->x86_model_id : "unknown");
|
||||
|
||||
if (c->x86_mask || c->cpuid_level >= 0)
|
||||
seq_printf(m, "stepping\t: %d\n", c->x86_mask);
|
||||
else
|
||||
seq_printf(m, "stepping\t: unknown\n");
|
||||
|
||||
if (cpu_has(c, X86_FEATURE_TSC)) {
|
||||
unsigned int freq = cpufreq_quick_get((unsigned)cpu);
|
||||
|
||||
if (!freq)
|
||||
freq = cpu_khz;
|
||||
seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
|
||||
freq / 1000, (freq % 1000));
|
||||
}
|
||||
|
||||
/* Cache size */
|
||||
if (c->x86_cache_size >= 0)
|
||||
seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
if (smp_num_siblings * c->x86_max_cores > 1) {
|
||||
seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
|
||||
seq_printf(m, "siblings\t: %d\n",
|
||||
cpus_weight(per_cpu(cpu_core_map, cpu)));
|
||||
seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
|
||||
seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
|
||||
}
|
||||
#endif
|
||||
|
||||
seq_printf(m,
|
||||
"fpu\t\t: yes\n"
|
||||
"fpu_exception\t: yes\n"
|
||||
"cpuid level\t: %d\n"
|
||||
"wp\t\t: yes\n"
|
||||
"flags\t\t:",
|
||||
c->cpuid_level);
|
||||
|
||||
for (i = 0; i < 32*NCAPINTS; i++)
|
||||
if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
|
||||
seq_printf(m, " %s", x86_cap_flags[i]);
|
||||
|
||||
seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
|
||||
c->loops_per_jiffy/(500000/HZ),
|
||||
(c->loops_per_jiffy/(5000/HZ)) % 100);
|
||||
|
||||
if (c->x86_tlbsize > 0)
|
||||
seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize);
|
||||
seq_printf(m, "clflush size\t: %d\n", c->x86_clflush_size);
|
||||
seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment);
|
||||
|
||||
seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n",
|
||||
c->x86_phys_bits, c->x86_virt_bits);
|
||||
|
||||
seq_printf(m, "power management:");
|
||||
for (i = 0; i < 32; i++) {
|
||||
if (c->x86_power & (1 << i)) {
|
||||
if (i < ARRAY_SIZE(x86_power_flags) &&
|
||||
x86_power_flags[i])
|
||||
seq_printf(m, "%s%s",
|
||||
x86_power_flags[i][0]?" ":"",
|
||||
x86_power_flags[i]);
|
||||
else
|
||||
seq_printf(m, " [%d]", i);
|
||||
}
|
||||
}
|
||||
|
||||
seq_printf(m, "\n\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void *c_start(struct seq_file *m, loff_t *pos)
|
||||
{
|
||||
if (*pos == 0) /* just in case, cpu 0 is not the first */
|
||||
*pos = first_cpu(cpu_online_map);
|
||||
if ((*pos) < NR_CPUS && cpu_online(*pos))
|
||||
return &cpu_data(*pos);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void *c_next(struct seq_file *m, void *v, loff_t *pos)
|
||||
{
|
||||
*pos = next_cpu(*pos, cpu_online_map);
|
||||
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,
|
||||
};
|
||||
@ -1068,123 +1068,3 @@ static __init int setup_disablecpuid(char *arg)
|
||||
return 1;
|
||||
}
|
||||
__setup("clearcpuid=", setup_disablecpuid);
|
||||
|
||||
/*
|
||||
* Get CPU information for use by the procfs.
|
||||
*/
|
||||
|
||||
static int show_cpuinfo(struct seq_file *m, void *v)
|
||||
{
|
||||
struct cpuinfo_x86 *c = v;
|
||||
int cpu = 0, i;
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
cpu = c->cpu_index;
|
||||
#endif
|
||||
|
||||
seq_printf(m, "processor\t: %u\n"
|
||||
"vendor_id\t: %s\n"
|
||||
"cpu family\t: %d\n"
|
||||
"model\t\t: %d\n"
|
||||
"model name\t: %s\n",
|
||||
(unsigned)cpu,
|
||||
c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
|
||||
c->x86,
|
||||
(int)c->x86_model,
|
||||
c->x86_model_id[0] ? c->x86_model_id : "unknown");
|
||||
|
||||
if (c->x86_mask || c->cpuid_level >= 0)
|
||||
seq_printf(m, "stepping\t: %d\n", c->x86_mask);
|
||||
else
|
||||
seq_printf(m, "stepping\t: unknown\n");
|
||||
|
||||
if (cpu_has(c, X86_FEATURE_TSC)) {
|
||||
unsigned int freq = cpufreq_quick_get((unsigned)cpu);
|
||||
|
||||
if (!freq)
|
||||
freq = cpu_khz;
|
||||
seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
|
||||
freq / 1000, (freq % 1000));
|
||||
}
|
||||
|
||||
/* Cache size */
|
||||
if (c->x86_cache_size >= 0)
|
||||
seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
|
||||
|
||||
#ifdef CONFIG_SMP
|
||||
if (smp_num_siblings * c->x86_max_cores > 1) {
|
||||
seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
|
||||
seq_printf(m, "siblings\t: %d\n",
|
||||
cpus_weight(per_cpu(cpu_core_map, cpu)));
|
||||
seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
|
||||
seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
|
||||
}
|
||||
#endif
|
||||
|
||||
seq_printf(m,
|
||||
"fpu\t\t: yes\n"
|
||||
"fpu_exception\t: yes\n"
|
||||
"cpuid level\t: %d\n"
|
||||
"wp\t\t: yes\n"
|
||||
"flags\t\t:",
|
||||
c->cpuid_level);
|
||||
|
||||
for (i = 0; i < 32*NCAPINTS; i++)
|
||||
if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
|
||||
seq_printf(m, " %s", x86_cap_flags[i]);
|
||||
|
||||
seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
|
||||
c->loops_per_jiffy/(500000/HZ),
|
||||
(c->loops_per_jiffy/(5000/HZ)) % 100);
|
||||
|
||||
if (c->x86_tlbsize > 0)
|
||||
seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize);
|
||||
seq_printf(m, "clflush size\t: %d\n", c->x86_clflush_size);
|
||||
seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment);
|
||||
|
||||
seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n",
|
||||
c->x86_phys_bits, c->x86_virt_bits);
|
||||
|
||||
seq_printf(m, "power management:");
|
||||
for (i = 0; i < 32; i++) {
|
||||
if (c->x86_power & (1 << i)) {
|
||||
if (i < ARRAY_SIZE(x86_power_flags) &&
|
||||
x86_power_flags[i])
|
||||
seq_printf(m, "%s%s",
|
||||
x86_power_flags[i][0]?" ":"",
|
||||
x86_power_flags[i]);
|
||||
else
|
||||
seq_printf(m, " [%d]", i);
|
||||
}
|
||||
}
|
||||
|
||||
seq_printf(m, "\n\n");
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
static void *c_start(struct seq_file *m, loff_t *pos)
|
||||
{
|
||||
if (*pos == 0) /* just in case, cpu 0 is not the first */
|
||||
*pos = first_cpu(cpu_online_map);
|
||||
if ((*pos) < NR_CPUS && cpu_online(*pos))
|
||||
return &cpu_data(*pos);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static void *c_next(struct seq_file *m, void *v, loff_t *pos)
|
||||
{
|
||||
*pos = next_cpu(*pos, cpu_online_map);
|
||||
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,
|
||||
};
|
||||
|
||||
Loading…
Reference in New Issue
Block a user