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x86: cpu/common.c: merge get_cpu_cap()

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Signed-off-by: Yinghai Lu <yhlu.kernel@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Yinghai Lu 2008-09-04 20:09:09 -07:00 committed by Ingo Molnar
parent 1cd78776c7
commit 5122c890ba
2 changed files with 22 additions and 0 deletions
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20
arch/x86/kernel/cpu/common.c
View file

@ -458,6 +458,26 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
c->x86_capability[6] = cpuid_ecx(0x80000001);
}
}
#ifdef CONFIG_X86_64
/* Transmeta-defined flags: level 0x80860001 */
xlvl = cpuid_eax(0x80860000);
if ((xlvl & 0xffff0000) == 0x80860000) {
/* Don't set x86_cpuid_level here for now to not confuse. */
if (xlvl >= 0x80860001)
c->x86_capability[2] = cpuid_edx(0x80860001);
}
if (c->extended_cpuid_level >= 0x80000007)
c->x86_power = cpuid_edx(0x80000007);
if (c->extended_cpuid_level >= 0x80000008) {
u32 eax = cpuid_eax(0x80000008);
c->x86_virt_bits = (eax >> 8) & 0xff;
c->x86_phys_bits = eax & 0xff;
}
#endif
}
/*
* Do minimum CPU detection early.

2
arch/x86/kernel/cpu/common_64.c
View file

@ -461,6 +461,7 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
}
}
#ifdef CONFIG_X86_64
/* Transmeta-defined flags: level 0x80860001 */
xlvl = cpuid_eax(0x80860000);
if ((xlvl & 0xffff0000) == 0x80860000) {
@ -478,6 +479,7 @@ static void __cpuinit get_cpu_cap(struct cpuinfo_x86 *c)
c->x86_virt_bits = (eax >> 8) & 0xff;
c->x86_phys_bits = eax & 0xff;
}
#endif
}
/* Do some early cpuid on the boot CPU to get some parameter that are