summaryrefslogtreecommitdiffstats
path: root/src/cpu/intel/common/common.h
blob: 8c8f34f2076c5b19ffcade28e9f2e5677c9eceb1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
/* SPDX-License-Identifier: GPL-2.0-only */
/* This file is part of the coreboot project. */

#ifndef _CPU_INTEL_COMMON_H
#define _CPU_INTEL_COMMON_H

#include <stdint.h>

void set_vmx_and_lock(void);
void set_feature_ctrl_vmx(void);
void set_feature_ctrl_lock(void);

/*
 * Init CPPC block with MSRs for Intel Enhanced Speed Step Technology.
 * Version 2 is suggested--this function's implementation of version 3
 * may have room for improvment.
 */
struct cppc_config;
void cpu_init_cppc_config(struct cppc_config *config, u32 version);

/*
 * Returns true if it's not thread 0 on a hyperthreading enabled core.
 */
bool intel_ht_sibling(void);

#endif