summaryrefslogtreecommitdiff
path: root/arch/x86/kernel/setup_64.c
diff options
context:
space:
mode:
authorDave Jones <davej@redhat.com>2008-05-22 18:54:32 -0400
committerH. Peter Anvin <hpa@zytor.com>2008-05-30 15:46:29 -0700
commita82fbe31cb387bb246e2d3b3c177f551bb991135 (patch)
tree8e7480b39805ff6c608d557aa92eeb47b18b229b /arch/x86/kernel/setup_64.c
parent4d285878564bb46cf64e54be18eeffe33ca583a0 (diff)
x86: Move the 64-bit Intel specific parts out of setup_64.c
Create a separate intel_64.c file in the cpu/ dir for the useful parts to live in. Signed-off-by: Dave Jones <davej@redhat.com> Signed-off-by: H. Peter Anvin <hpa@zytor.com>
Diffstat (limited to 'arch/x86/kernel/setup_64.c')
-rw-r--r--arch/x86/kernel/setup_64.c93
1 files changed, 2 insertions, 91 deletions
diff --git a/arch/x86/kernel/setup_64.c b/arch/x86/kernel/setup_64.c
index b07b1997ed97..c4e6a0b6c303 100644
--- a/arch/x86/kernel/setup_64.c
+++ b/arch/x86/kernel/setup_64.c
@@ -622,97 +622,6 @@ out:
#endif
}
-/*
- * find out the number of processor cores on the die
- */
-static int __cpuinit intel_num_cpu_cores(struct cpuinfo_x86 *c)
-{
- unsigned int eax, t;
-
- if (c->cpuid_level < 4)
- return 1;
-
- cpuid_count(4, 0, &eax, &t, &t, &t);
-
- if (eax & 0x1f)
- return ((eax >> 26) + 1);
- else
- return 1;
-}
-
-static void __cpuinit srat_detect_node(void)
-{
-#ifdef CONFIG_NUMA
- unsigned node;
- int cpu = smp_processor_id();
- int apicid = hard_smp_processor_id();
-
- /* Don't do the funky fallback heuristics the AMD version employs
- for now. */
- node = apicid_to_node[apicid];
- if (node == NUMA_NO_NODE || !node_online(node))
- node = first_node(node_online_map);
- numa_set_node(cpu, node);
-
- printk(KERN_INFO "CPU %d/%x -> Node %d\n", cpu, apicid, node);
-#endif
-}
-
-static void __cpuinit early_init_intel(struct cpuinfo_x86 *c)
-{
- if ((c->x86 == 0xf && c->x86_model >= 0x03) ||
- (c->x86 == 0x6 && c->x86_model >= 0x0e))
- set_cpu_cap(c, X86_FEATURE_CONSTANT_TSC);
-}
-
-static void __cpuinit init_intel(struct cpuinfo_x86 *c)
-{
- /* Cache sizes */
- unsigned n;
-
- init_intel_cacheinfo(c);
- if (c->cpuid_level > 9) {
- unsigned eax = cpuid_eax(10);
- /* Check for version and the number of counters */
- if ((eax & 0xff) && (((eax>>8) & 0xff) > 1))
- set_cpu_cap(c, X86_FEATURE_ARCH_PERFMON);
- }
-
- if (cpu_has_ds) {
- unsigned int l1, l2;
- rdmsr(MSR_IA32_MISC_ENABLE, l1, l2);
- if (!(l1 & (1<<11)))
- set_cpu_cap(c, X86_FEATURE_BTS);
- if (!(l1 & (1<<12)))
- set_cpu_cap(c, X86_FEATURE_PEBS);
- }
-
-
- if (cpu_has_bts)
- ds_init_intel(c);
-
- n = c->extended_cpuid_level;
- if (n >= 0x80000008) {
- unsigned eax = cpuid_eax(0x80000008);
- c->x86_virt_bits = (eax >> 8) & 0xff;
- c->x86_phys_bits = eax & 0xff;
- /* CPUID workaround for Intel 0F34 CPU */
- if (c->x86_vendor == X86_VENDOR_INTEL &&
- c->x86 == 0xF && c->x86_model == 0x3 &&
- c->x86_mask == 0x4)
- c->x86_phys_bits = 36;
- }
-
- if (c->x86 == 15)
- c->x86_cache_alignment = c->x86_clflush_size * 2;
- if (c->x86 == 6)
- set_cpu_cap(c, X86_FEATURE_REP_GOOD);
- set_cpu_cap(c, X86_FEATURE_LFENCE_RDTSC);
- c->x86_max_cores = intel_num_cpu_cores(c);
-
- srat_detect_node();
-}
-
static void __cpuinit early_init_centaur(struct cpuinfo_x86 *c)
{
if (c->x86 == 0x6 && c->x86_model >= 0xf)
@@ -756,6 +665,8 @@ static void __cpuinit get_cpu_vendor(struct cpuinfo_x86 *c)
// FIXME: Needs to use cpu_vendor_dev_register
extern void __cpuinit early_init_amd(struct cpuinfo_x86 *c);
extern void __cpuinit init_amd(struct cpuinfo_x86 *c);
+extern void __cpuinit early_init_intel(struct cpuinfo_x86 *c);
+extern void __cpuinit init_intel(struct cpuinfo_x86 *c);
/* Do some early cpuid on the boot CPU to get some parameter that are
needed before check_bugs. Everything advanced is in identify_cpu