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authorHiroshi Shimamoto <h-shimamoto@ct.jp.nec.com>2008-02-20 13:41:51 -0500
committerIngo Molnar <mingo@elte.hu>2008-04-17 11:40:48 -0400
commit8fa6878ffc6366f490e99a1ab31127fb599657c9 (patch)
treeb8f37975f9690d8f7d831fc4d87623628c141c82 /arch/x86/kernel
parent637cba02618c1373eb9d2b70a53c17832e27d090 (diff)
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>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/cpu/Makefile1
-rw-r--r--arch/x86/kernel/cpu/proc_64.c126
-rw-r--r--arch/x86/kernel/setup_64.c120
3 files changed, 127 insertions, 120 deletions
diff --git a/arch/x86/kernel/cpu/Makefile b/arch/x86/kernel/cpu/Makefile
index a0c4d7c5dbd7..8ba7d281fbc2 100644
--- a/arch/x86/kernel/cpu/Makefile
+++ b/arch/x86/kernel/cpu/Makefile
@@ -13,6 +13,7 @@ obj-$(CONFIG_X86_32) += transmeta.o
13obj-$(CONFIG_X86_32) += intel.o 13obj-$(CONFIG_X86_32) += intel.o
14obj-$(CONFIG_X86_32) += nexgen.o 14obj-$(CONFIG_X86_32) += nexgen.o
15obj-$(CONFIG_X86_32) += umc.o 15obj-$(CONFIG_X86_32) += umc.o
16obj-$(CONFIG_X86_64) += proc_64.o
16 17
17obj-$(CONFIG_X86_MCE) += mcheck/ 18obj-$(CONFIG_X86_MCE) += mcheck/
18obj-$(CONFIG_MTRR) += mtrr/ 19obj-$(CONFIG_MTRR) += mtrr/
diff --git a/arch/x86/kernel/cpu/proc_64.c b/arch/x86/kernel/cpu/proc_64.c
new file mode 100644
index 000000000000..bf4a94b4b0f0
--- /dev/null
+++ b/arch/x86/kernel/cpu/proc_64.c
@@ -0,0 +1,126 @@
1#include <linux/smp.h>
2#include <linux/timex.h>
3#include <linux/string.h>
4#include <asm/semaphore.h>
5#include <linux/seq_file.h>
6#include <linux/cpufreq.h>
7
8/*
9 * Get CPU information for use by the procfs.
10 */
11
12static int show_cpuinfo(struct seq_file *m, void *v)
13{
14 struct cpuinfo_x86 *c = v;
15 int cpu = 0, i;
16
17#ifdef CONFIG_SMP
18 cpu = c->cpu_index;
19#endif
20
21 seq_printf(m, "processor\t: %u\n"
22 "vendor_id\t: %s\n"
23 "cpu family\t: %d\n"
24 "model\t\t: %d\n"
25 "model name\t: %s\n",
26 (unsigned)cpu,
27 c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
28 c->x86,
29 (int)c->x86_model,
30 c->x86_model_id[0] ? c->x86_model_id : "unknown");
31
32 if (c->x86_mask || c->cpuid_level >= 0)
33 seq_printf(m, "stepping\t: %d\n", c->x86_mask);
34 else
35 seq_printf(m, "stepping\t: unknown\n");
36
37 if (cpu_has(c, X86_FEATURE_TSC)) {
38 unsigned int freq = cpufreq_quick_get((unsigned)cpu);
39
40 if (!freq)
41 freq = cpu_khz;
42 seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
43 freq / 1000, (freq % 1000));
44 }
45
46 /* Cache size */
47 if (c->x86_cache_size >= 0)
48 seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
49
50#ifdef CONFIG_SMP
51 if (smp_num_siblings * c->x86_max_cores > 1) {
52 seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
53 seq_printf(m, "siblings\t: %d\n",
54 cpus_weight(per_cpu(cpu_core_map, cpu)));
55 seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
56 seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
57 }
58#endif
59
60 seq_printf(m,
61 "fpu\t\t: yes\n"
62 "fpu_exception\t: yes\n"
63 "cpuid level\t: %d\n"
64 "wp\t\t: yes\n"
65 "flags\t\t:",
66 c->cpuid_level);
67
68 for (i = 0; i < 32*NCAPINTS; i++)
69 if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
70 seq_printf(m, " %s", x86_cap_flags[i]);
71
72 seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
73 c->loops_per_jiffy/(500000/HZ),
74 (c->loops_per_jiffy/(5000/HZ)) % 100);
75
76 if (c->x86_tlbsize > 0)
77 seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize);
78 seq_printf(m, "clflush size\t: %d\n", c->x86_clflush_size);
79 seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment);
80
81 seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n",
82 c->x86_phys_bits, c->x86_virt_bits);
83
84 seq_printf(m, "power management:");
85 for (i = 0; i < 32; i++) {
86 if (c->x86_power & (1 << i)) {
87 if (i < ARRAY_SIZE(x86_power_flags) &&
88 x86_power_flags[i])
89 seq_printf(m, "%s%s",
90 x86_power_flags[i][0]?" ":"",
91 x86_power_flags[i]);
92 else
93 seq_printf(m, " [%d]", i);
94 }
95 }
96
97 seq_printf(m, "\n\n");
98
99 return 0;
100}
101
102static void *c_start(struct seq_file *m, loff_t *pos)
103{
104 if (*pos == 0) /* just in case, cpu 0 is not the first */
105 *pos = first_cpu(cpu_online_map);
106 if ((*pos) < NR_CPUS && cpu_online(*pos))
107 return &cpu_data(*pos);
108 return NULL;
109}
110
111static void *c_next(struct seq_file *m, void *v, loff_t *pos)
112{
113 *pos = next_cpu(*pos, cpu_online_map);
114 return c_start(m, pos);
115}
116
117static void c_stop(struct seq_file *m, void *v)
118{
119}
120
121const struct seq_operations cpuinfo_op = {
122 .start = c_start,
123 .next = c_next,
124 .stop = c_stop,
125 .show = show_cpuinfo,
126};
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index e67925674eae..187f084b9491 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -1068,123 +1068,3 @@ static __init int setup_disablecpuid(char *arg)
1068 return 1; 1068 return 1;
1069} 1069}
1070__setup("clearcpuid=", setup_disablecpuid); 1070__setup("clearcpuid=", setup_disablecpuid);
1071
1072/*
1073 * Get CPU information for use by the procfs.
1074 */
1075
1076static int show_cpuinfo(struct seq_file *m, void *v)
1077{
1078 struct cpuinfo_x86 *c = v;
1079 int cpu = 0, i;
1080
1081#ifdef CONFIG_SMP
1082 cpu = c->cpu_index;
1083#endif
1084
1085 seq_printf(m, "processor\t: %u\n"
1086 "vendor_id\t: %s\n"
1087 "cpu family\t: %d\n"
1088 "model\t\t: %d\n"
1089 "model name\t: %s\n",
1090 (unsigned)cpu,
1091 c->x86_vendor_id[0] ? c->x86_vendor_id : "unknown",
1092 c->x86,
1093 (int)c->x86_model,
1094 c->x86_model_id[0] ? c->x86_model_id : "unknown");
1095
1096 if (c->x86_mask || c->cpuid_level >= 0)
1097 seq_printf(m, "stepping\t: %d\n", c->x86_mask);
1098 else
1099 seq_printf(m, "stepping\t: unknown\n");
1100
1101 if (cpu_has(c, X86_FEATURE_TSC)) {
1102 unsigned int freq = cpufreq_quick_get((unsigned)cpu);
1103
1104 if (!freq)
1105 freq = cpu_khz;
1106 seq_printf(m, "cpu MHz\t\t: %u.%03u\n",
1107 freq / 1000, (freq % 1000));
1108 }
1109
1110 /* Cache size */
1111 if (c->x86_cache_size >= 0)
1112 seq_printf(m, "cache size\t: %d KB\n", c->x86_cache_size);
1113
1114#ifdef CONFIG_SMP
1115 if (smp_num_siblings * c->x86_max_cores > 1) {
1116 seq_printf(m, "physical id\t: %d\n", c->phys_proc_id);
1117 seq_printf(m, "siblings\t: %d\n",
1118 cpus_weight(per_cpu(cpu_core_map, cpu)));
1119 seq_printf(m, "core id\t\t: %d\n", c->cpu_core_id);
1120 seq_printf(m, "cpu cores\t: %d\n", c->booted_cores);
1121 }
1122#endif
1123
1124 seq_printf(m,
1125 "fpu\t\t: yes\n"
1126 "fpu_exception\t: yes\n"
1127 "cpuid level\t: %d\n"
1128 "wp\t\t: yes\n"
1129 "flags\t\t:",
1130 c->cpuid_level);
1131
1132 for (i = 0; i < 32*NCAPINTS; i++)
1133 if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
1134 seq_printf(m, " %s", x86_cap_flags[i]);
1135
1136 seq_printf(m, "\nbogomips\t: %lu.%02lu\n",
1137 c->loops_per_jiffy/(500000/HZ),
1138 (c->loops_per_jiffy/(5000/HZ)) % 100);
1139
1140 if (c->x86_tlbsize > 0)
1141 seq_printf(m, "TLB size\t: %d 4K pages\n", c->x86_tlbsize);
1142 seq_printf(m, "clflush size\t: %d\n", c->x86_clflush_size);
1143 seq_printf(m, "cache_alignment\t: %d\n", c->x86_cache_alignment);
1144
1145 seq_printf(m, "address sizes\t: %u bits physical, %u bits virtual\n",
1146 c->x86_phys_bits, c->x86_virt_bits);
1147
1148 seq_printf(m, "power management:");
1149 for (i = 0; i < 32; i++) {
1150 if (c->x86_power & (1 << i)) {
1151 if (i < ARRAY_SIZE(x86_power_flags) &&
1152 x86_power_flags[i])
1153 seq_printf(m, "%s%s",
1154 x86_power_flags[i][0]?" ":"",
1155 x86_power_flags[i]);
1156 else
1157 seq_printf(m, " [%d]", i);
1158 }
1159 }
1160
1161 seq_printf(m, "\n\n");
1162
1163 return 0;
1164}
1165
1166static void *c_start(struct seq_file *m, loff_t *pos)
1167{
1168 if (*pos == 0) /* just in case, cpu 0 is not the first */
1169 *pos = first_cpu(cpu_online_map);
1170 if ((*pos) < NR_CPUS && cpu_online(*pos))
1171 return &cpu_data(*pos);
1172 return NULL;
1173}
1174
1175static void *c_next(struct seq_file *m, void *v, loff_t *pos)
1176{
1177 *pos = next_cpu(*pos, cpu_online_map);
1178 return c_start(m, pos);
1179}
1180
1181static void c_stop(struct seq_file *m, void *v)
1182{
1183}
1184
1185const struct seq_operations cpuinfo_op = {
1186 .start = c_start,
1187 .next = c_next,
1188 .stop = c_stop,
1189 .show = show_cpuinfo,
1190};
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-14 23:23:57 -0500