[coreboot-gerrit] Change in coreboot[master]: cpu/intel/common: Add `intel_ht_supported` function

[Angel Pons (Code Review)]

Angel Pons has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/44210 )

Change subject: cpu/intel/common: Add `intel_ht_supported` function
......................................................................

cpu/intel/common: Add `intel_ht_supported` function

Change-Id: I90c0378c4042dec39c8c86c1d2339a5cbcfe78e3
Signed-off-by: Angel Pons 
---
M src/cpu/intel/common/common.h
M src/cpu/intel/common/hyperthreading.c
2 files changed, 14 insertions(+), 3 deletions(-)

git pull ssh://review.coreboot.org:29418/coreboot refs/changes/10/44210/1

diff --git a/src/cpu/intel/common/common.h b/src/cpu/intel/common/common.h
index 57a5fe6..df14668 100644
--- a/src/cpu/intel/common/common.h
+++ b/src/cpu/intel/common/common.h
@@ -3,7 +3,7 @@
 #ifndef _CPU_INTEL_COMMON_H
 #define _CPU_INTEL_COMMON_H

-#include <stdint.h>
+#include <types.h>

void set_vmx_and_lock(void);
 void set_feature_ctrl_vmx(void);
@@ -18,6 +18,11 @@
 void cpu_init_cppc_config(struct cppc_config *config, u32 version);

/*
+ * Returns true if CPU supports Hyper-Threading.
+ */
+bool intel_ht_supported(void);
+
+/*
  * Returns true if it's not thread 0 on a hyperthreading enabled core.
  */
 bool intel_ht_sibling(void);
diff --git a/src/cpu/intel/common/hyperthreading.c b/src/cpu/intel/common/hyperthreading.c
index d686149..fce7576 100644
--- a/src/cpu/intel/common/hyperthreading.c
+++ b/src/cpu/intel/common/hyperthreading.c
@@ -3,6 +3,13 @@
 #include <cpu/x86/lapic.h>
 #include <cpu/intel/common/common.h>
 #include <arch/cpu.h>
+#include <types.h>
+
+bool intel_ht_supported(void)
+{
+	/* Is HyperThreading supported? */
+	return !!(cpuid_edx(1) & CPUID_FEAURE_HTT);
+}

/*
  * Return true if running thread does not have the smallest lapic ID
@@ -13,8 +20,7 @@
    struct cpuid_result result;
    unsigned int core_ids, apic_ids, threads;

-	/* Is Hyper-Threading supported */
-	if (!(cpuid_edx(1) & CPUID_FEAURE_HTT))
+	if (!intel_ht_supported())
    	return false;

apic_ids = 1;