mirror of https://gitee.com/openkylin/linux.git
38 lines
843 B
C
38 lines
843 B
C
#include <linux/init.h>
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#include <linux/smp.h>
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#include <asm/cpufeature.h>
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#include <asm/processor.h>
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#include "cpu.h"
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static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c)
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{
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if (c->x86 == 0x6 && c->x86_model >= 0xf)
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set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
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set_cpu_cap(c, X86_FEATURE_SYSENTER32);
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}
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static void __cpuinit init_centaur(struct cpuinfo_x86 *c)
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{
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early_init_centaur(c);
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if (c->x86 == 0x6 && c->x86_model >= 0xf) {
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c->x86_cache_alignment = c->x86_clflush_size * 2;
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set_cpu_cap(c, X86_FEATURE_REP_GOOD);
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}
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set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);
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}
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static struct cpu_dev centaur_cpu_dev __cpuinitdata = {
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.c_vendor = "Centaur",
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.c_ident = { "CentaurHauls" },
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.c_early_init = early_init_centaur,
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.c_init = init_centaur,
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.c_x86_vendor = X86_VENDOR_CENTAUR,
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};
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cpu_dev_register(centaur_cpu_dev);
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