summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/cpu/cpu.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/kernel/cpu/cpu.h')
-rw-r--r--arch/x86/kernel/cpu/cpu.h37
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/cpu.h b/arch/x86/kernel/cpu/cpu.h
new file mode 100644
index 00000000..8bacc782
--- /dev/null
+++ b/arch/x86/kernel/cpu/cpu.h
@@ -0,0 +1,37 @@
+#ifndef ARCH_X86_CPU_H
+#define ARCH_X86_CPU_H
+
+struct cpu_model_info {
+ int vendor;
+ int family;
+ const char *model_names[16];
+};
+
+/* attempt to consolidate cpu attributes */
+struct cpu_dev {
+ const char *c_vendor;
+
+ /* some have two possibilities for cpuid string */
+ const char *c_ident[2];
+
+ struct cpu_model_info c_models[4];
+
+ void (*c_early_init)(struct cpuinfo_x86 *);
+ void (*c_bsp_init)(struct cpuinfo_x86 *);
+ void (*c_init)(struct cpuinfo_x86 *);
+ void (*c_identify)(struct cpuinfo_x86 *);
+ unsigned int (*c_size_cache)(struct cpuinfo_x86 *, unsigned int);
+ int c_x86_vendor;
+};
+
+#define cpu_dev_register(cpu_devX) \
+ static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
+ __attribute__((__section__(".x86_cpu_dev.init"))) = \
+ &cpu_devX;
+
+extern const struct cpu_dev *const __x86_cpu_dev_start[],
+ *const __x86_cpu_dev_end[];
+
+extern void get_cpu_cap(struct cpuinfo_x86 *c);
+extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
+#endif /* ARCH_X86_CPU_H */