mirror of https://gitee.com/openkylin/linux.git
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
#ifndef ARCH_X86_CPU_H
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#define ARCH_X86_CPU_H
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struct cpu_model_info {
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int vendor;
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int family;
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const char *model_names[16];
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};
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/* attempt to consolidate cpu attributes */
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struct cpu_dev {
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const char *c_vendor;
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/* some have two possibilities for cpuid string */
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const char *c_ident[2];
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struct cpu_model_info c_models[4];
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void (*c_early_init)(struct cpuinfo_x86 *);
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void (*c_bsp_init)(struct cpuinfo_x86 *);
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void (*c_init)(struct cpuinfo_x86 *);
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void (*c_identify)(struct cpuinfo_x86 *);
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void (*c_detect_tlb)(struct cpuinfo_x86 *);
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unsigned int (*c_size_cache)(struct cpuinfo_x86 *, unsigned int);
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int c_x86_vendor;
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};
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struct _tlb_table {
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unsigned char descriptor;
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char tlb_type;
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unsigned int entries;
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/* unsigned int ways; */
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char info[128];
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};
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#define cpu_dev_register(cpu_devX) \
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static const struct cpu_dev *const __cpu_dev_##cpu_devX __used \
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__attribute__((__section__(".x86_cpu_dev.init"))) = \
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&cpu_devX;
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extern const struct cpu_dev *const __x86_cpu_dev_start[],
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*const __x86_cpu_dev_end[];
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extern void get_cpu_cap(struct cpuinfo_x86 *c);
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extern void cpu_detect_cache_sizes(struct cpuinfo_x86 *c);
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#endif /* ARCH_X86_CPU_H */
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