mirror of https://gitee.com/openkylin/linux.git
x86: cpu/common.c: merge get_cpu_cap()
Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com> Signed-off-by: Ingo Molnar <mingo@elte.hu>
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@ -458,6 +458,26 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
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c->x86_capability[6] = cpuid_ecx(0x80000001);
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c->x86_capability[6] = cpuid_ecx(0x80000001);
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}
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}
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}
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}
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#ifdef CONFIG_X86_64
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/* Transmeta-defined flags: level 0x80860001 */
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xlvl = cpuid_eax(0x80860000);
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if ((xlvl & 0xffff0000) == 0x80860000) {
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/* Don't set x86_cpuid_level here for now to not confuse. */
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if (xlvl >= 0x80860001)
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c->x86_capability[2] = cpuid_edx(0x80860001);
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}
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if (c->extended_cpuid_level >= 0x80000007)
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c->x86_power = cpuid_edx(0x80000007);
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if (c->extended_cpuid_level >= 0x80000008) {
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u32 eax = cpuid_eax(0x80000008);
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c->x86_virt_bits = (eax >> 8) & 0xff;
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c->x86_phys_bits = eax & 0xff;
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}
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#endif
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}
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}
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/*
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/*
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* Do minimum CPU detection early.
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* Do minimum CPU detection early.
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@ -461,6 +461,7 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
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}
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}
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}
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}
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#ifdef CONFIG_X86_64
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/* Transmeta-defined flags: level 0x80860001 */
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/* Transmeta-defined flags: level 0x80860001 */
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xlvl = cpuid_eax(0x80860000);
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xlvl = cpuid_eax(0x80860000);
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if ((xlvl & 0xffff0000) == 0x80860000) {
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if ((xlvl & 0xffff0000) == 0x80860000) {
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@ -478,6 +479,7 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
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c->x86_virt_bits = (eax >> 8) & 0xff;
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c->x86_virt_bits = (eax >> 8) & 0xff;
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c->x86_phys_bits = eax & 0xff;
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c->x86_phys_bits = eax & 0xff;
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}
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}
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#endif
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}
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}
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/* Do some early cpuid on the boot CPU to get some parameter that are
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/* Do some early cpuid on the boot CPU to get some parameter that are
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