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authorYinghai Lu <yhlu.kernel@gmail.com>2008-09-04 20:09:09 -0700
committerIngo Molnar <mingo@elte.hu>2008-09-05 09:40:53 +0200
commit5122c890ba969e6efeaba9ed45f5936e62d3c6d5 (patch)
tree0a63f3ad46274bb52c02aad5a746d6652136629a /arch/x86/kernel
parent1cd78776c7d5487e3000426d0ce1ff203c5d60cd (diff)
downloadop-kernel-dev-5122c890ba969e6efeaba9ed45f5936e62d3c6d5.zip
op-kernel-dev-5122c890ba969e6efeaba9ed45f5936e62d3c6d5.tar.gz
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>
Diffstat (limited to 'arch/x86/kernel')
-rw-r--r--arch/x86/kernel/cpu/common.c20
-rw-r--r--arch/x86/kernel/cpu/common_64.c2
2 files changed, 22 insertions, 0 deletions
diff --git a/arch/x86/kernel/cpu/common.c b/arch/x86/kernel/cpu/common.c
index b2018f7..ffc2f5e 100644
--- a/arch/x86/kernel/cpu/common.c
+++ b/arch/x86/kernel/cpu/common.c
@@ -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.
diff --git a/arch/x86/kernel/cpu/common_64.c b/arch/x86/kernel/cpu/common_64.c
index 7ac0a00..75bb7ff 100644
--- a/arch/x86/kernel/cpu/common_64.c
+++ b/arch/x86/kernel/cpu/common_64.c
@@ -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
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