[mirror_edk2.git] / UefiCpuPkg / Library / CpuCommonFeaturesLib / FeatureControl.c

/** @file\r
  Features in MSR_IA32_FEATURE_CONTROL register.\r
\r
  Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "CpuCommonFeatures.h"\r
\r
/**\r
  Detects if VMX feature supported on current processor.\r
\r
  @param[in]  ProcessorNumber  The index of the CPU executing this function.\r
  @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
                               structure for the CPU executing this function.\r
  @param[in]  ConfigData       A pointer to the configuration buffer returned\r
                               by CPU_FEATURE_GET_CONFIG_DATA.  NULL if\r
                               CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
                               RegisterCpuFeature().\r
\r
  @retval TRUE     VMX feature is supported.\r
  @retval FALSE    VMX feature is not supported.\r
\r
  @note This service could be called by BSP/APs.\r
**/\r
BOOLEAN\r
EFIAPI\r
VmxSupport (\r
  IN UINTN                             ProcessorNumber,\r
  IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,\r
  IN VOID                              *ConfigData  OPTIONAL\r
  )\r
{\r
  return (CpuInfo->CpuIdVersionInfoEcx.Bits.VMX == 1);\r
}\r
\r
/**\r
  Initializes VMX feature to specific state.\r
\r
  @param[in]  ProcessorNumber  The index of the CPU executing this function.\r
  @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
                               structure for the CPU executing this function.\r
  @param[in]  ConfigData       A pointer to the configuration buffer returned\r
                               by CPU_FEATURE_GET_CONFIG_DATA.  NULL if\r
                               CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
                               RegisterCpuFeature().\r
  @param[in]  State            If TRUE, then the VMX feature must be enabled.\r
                               If FALSE, then the VMX feature must be disabled.\r
\r
  @retval RETURN_SUCCESS       VMX feature is initialized.\r
\r
  @note This service could be called by BSP only.\r
**/\r
RETURN_STATUS\r
EFIAPI\r
VmxInitialize (\r
  IN UINTN                             ProcessorNumber,\r
  IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,\r
  IN VOID                              *ConfigData   OPTIONAL,\r
  IN BOOLEAN                           State\r
  )\r
{\r
  //\r
  // The scope of EnableVmxOutsideSmx bit in the MSR_IA32_FEATURE_CONTROL is core for\r
  // below processor type, only program MSR_IA32_FEATURE_CONTROL for thread 0 in each\r
  // core.\r
  //\r
  if (IS_SILVERMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||\r
      IS_GOLDMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||\r
      IS_GOLDMONT_PLUS_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel))\r
  {\r
    if (CpuInfo->ProcessorInfo.Location.Thread != 0) {\r
      return RETURN_SUCCESS;\r
    }\r
  }\r
\r
  CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (\r
    ProcessorNumber,\r
    Msr,\r
    MSR_IA32_FEATURE_CONTROL,\r
    MSR_IA32_FEATURE_CONTROL_REGISTER,\r
    Bits.EnableVmxOutsideSmx,\r
    (State) ? 1 : 0\r
    );\r
\r
  return RETURN_SUCCESS;\r
}\r
\r
/**\r
  Detects if Lock Feature Control Register feature supported on current processor.\r
\r
  @param[in]  ProcessorNumber  The index of the CPU executing this function.\r
  @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
                               structure for the CPU executing this function.\r
  @param[in]  ConfigData       A pointer to the configuration buffer returned\r
                               by CPU_FEATURE_GET_CONFIG_DATA.  NULL if\r
                               CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
                               RegisterCpuFeature().\r
\r
  @retval TRUE     Lock Feature Control Register feature is supported.\r
  @retval FALSE    Lock Feature Control Register feature is not supported.\r
\r
  @note This service could be called by BSP/APs.\r
**/\r
BOOLEAN\r
EFIAPI\r
LockFeatureControlRegisterSupport (\r
  IN UINTN                             ProcessorNumber,\r
  IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,\r
  IN VOID                              *ConfigData  OPTIONAL\r
  )\r
{\r
  return TRUE;\r
}\r
\r
/**\r
  Initializes Lock Feature Control Register feature to specific state.\r
\r
  @param[in]  ProcessorNumber  The index of the CPU executing this function.\r
  @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
                               structure for the CPU executing this function.\r
  @param[in]  ConfigData       A pointer to the configuration buffer returned\r
                               by CPU_FEATURE_GET_CONFIG_DATA.  NULL if\r
                               CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
                               RegisterCpuFeature().\r
  @param[in]  State            If TRUE, then the Lock Feature Control Register feature must be enabled.\r
                               If FALSE, then the Lock Feature Control Register feature must be disabled.\r
\r
  @retval RETURN_SUCCESS       Lock Feature Control Register feature is initialized.\r
\r
  @note This service could be called by BSP only.\r
**/\r
RETURN_STATUS\r
EFIAPI\r
LockFeatureControlRegisterInitialize (\r
  IN UINTN                             ProcessorNumber,\r
  IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,\r
  IN VOID                              *ConfigData   OPTIONAL,\r
  IN BOOLEAN                           State\r
  )\r
{\r
  //\r
  // The scope of Lock bit in the MSR_IA32_FEATURE_CONTROL is core for\r
  // below processor type, only program MSR_IA32_FEATURE_CONTROL for thread 0 in each\r
  // core.\r
  //\r
  if (IS_SILVERMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||\r
      IS_GOLDMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||\r
      IS_GOLDMONT_PLUS_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel))\r
  {\r
    if (CpuInfo->ProcessorInfo.Location.Thread != 0) {\r
      return RETURN_SUCCESS;\r
    }\r
  }\r
\r
  CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (\r
    ProcessorNumber,\r
    Msr,\r
    MSR_IA32_FEATURE_CONTROL,\r
    MSR_IA32_FEATURE_CONTROL_REGISTER,\r
    Bits.Lock,\r
    1\r
    );\r
\r
  return RETURN_SUCCESS;\r
}\r
\r
/**\r
  Detects if SMX feature supported on current processor.\r
\r
  @param[in]  ProcessorNumber  The index of the CPU executing this function.\r
  @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
                               structure for the CPU executing this function.\r
  @param[in]  ConfigData       A pointer to the configuration buffer returned\r
                               by CPU_FEATURE_GET_CONFIG_DATA.  NULL if\r
                               CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
                               RegisterCpuFeature().\r
\r
  @retval TRUE     SMX feature is supported.\r
  @retval FALSE    SMX feature is not supported.\r
\r
  @note This service could be called by BSP/APs.\r
**/\r
BOOLEAN\r
EFIAPI\r
SmxSupport (\r
  IN UINTN                             ProcessorNumber,\r
  IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,\r
  IN VOID                              *ConfigData  OPTIONAL\r
  )\r
{\r
  return (CpuInfo->CpuIdVersionInfoEcx.Bits.SMX == 1);\r
}\r
\r
/**\r
  Initializes SMX feature to specific state.\r
\r
  @param[in]  ProcessorNumber  The index of the CPU executing this function.\r
  @param[in]  CpuInfo          A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
                               structure for the CPU executing this function.\r
  @param[in]  ConfigData       A pointer to the configuration buffer returned\r
                               by CPU_FEATURE_GET_CONFIG_DATA.  NULL if\r
                               CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
                               RegisterCpuFeature().\r
  @param[in]  State            If TRUE, then SMX feature must be enabled.\r
                               If FALSE, then SMX feature must be disabled.\r
\r
  @retval RETURN_SUCCESS       SMX feature is initialized.\r
  @retval RETURN_UNSUPPORTED   VMX not initialized.\r
\r
  @note This service could be called by BSP only.\r
**/\r
RETURN_STATUS\r
EFIAPI\r
SmxInitialize (\r
  IN UINTN                             ProcessorNumber,\r
  IN REGISTER_CPU_FEATURE_INFORMATION  *CpuInfo,\r
  IN VOID                              *ConfigData   OPTIONAL,\r
  IN BOOLEAN                           State\r
  )\r
{\r
  RETURN_STATUS  Status;\r
\r
  //\r
  // The scope of Lock bit in the MSR_IA32_FEATURE_CONTROL is core for\r
  // below processor type, only program MSR_IA32_FEATURE_CONTROL for thread 0 in each\r
  // core.\r
  //\r
  if (IS_GOLDMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) ||\r
      IS_GOLDMONT_PLUS_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel))\r
  {\r
    if (CpuInfo->ProcessorInfo.Location.Thread != 0) {\r
      return RETURN_SUCCESS;\r
    }\r
  }\r
\r
  Status = RETURN_SUCCESS;\r
\r
  if (State && (!IsCpuFeatureInSetting (CPU_FEATURE_VMX))) {\r
    DEBUG ((DEBUG_WARN, "Warning :: Can't enable SMX feature when VMX feature not enabled, disable it.\n"));\r
    State  = FALSE;\r
    Status = RETURN_UNSUPPORTED;\r
  }\r
\r
  CPU_REGISTER_TABLE_WRITE_FIELD (\r
    ProcessorNumber,\r
    ControlRegister,\r
    4,\r
    IA32_CR4,\r
    Bits.SMXE,\r
    (State) ? 1 : 0\r
    )\r
\r
  CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (\r
    ProcessorNumber,\r
    Msr,\r
    MSR_IA32_FEATURE_CONTROL,\r
    MSR_IA32_FEATURE_CONTROL_REGISTER,\r
    Bits.SenterLocalFunctionEnables,\r
    (State) ? 0x7F : 0\r
    );\r
\r
  CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (\r
    ProcessorNumber,\r
    Msr,\r
    MSR_IA32_FEATURE_CONTROL,\r
    MSR_IA32_FEATURE_CONTROL_REGISTER,\r
    Bits.SenterGlobalEnable,\r
    (State) ? 1 : 0\r
    );\r
\r
  CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (\r
    ProcessorNumber,\r
    Msr,\r
    MSR_IA32_FEATURE_CONTROL,\r
    MSR_IA32_FEATURE_CONTROL_REGISTER,\r
    Bits.EnableVmxInsideSmx,\r
    (State) ? 1 : 0\r
    );\r
\r
  return Status;\r
}\r
Commit	Line	Data
80c4b236 JF	1	/** @file\r
	2	Features in MSR_IA32_FEATURE_CONTROL register.\r
	3	\r
9c90d39b	4	Copyright (c) 2017 - 2019, Intel Corporation. All rights reserved.<BR>\r
0acd8697	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
80c4b236 JF	6	\r
	7	**/\r
	8	\r
	9	#include "CpuCommonFeatures.h"\r
	10	\r
80c4b236 JF	11	/**\r
	12	Detects if VMX feature supported on current processor.\r
	13	\r
	14	@param[in] ProcessorNumber The index of the CPU executing this function.\r
	15	@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
	16	structure for the CPU executing this function.\r
	17	@param[in] ConfigData A pointer to the configuration buffer returned\r
	18	by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r
	19	CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
	20	RegisterCpuFeature().\r
	21	\r
	22	@retval TRUE VMX feature is supported.\r
	23	@retval FALSE VMX feature is not supported.\r
	24	\r
	25	@note This service could be called by BSP/APs.\r
	26	**/\r
	27	BOOLEAN\r
	28	EFIAPI\r
	29	VmxSupport (\r
	30	IN UINTN ProcessorNumber,\r
	31	IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r
	32	IN VOID *ConfigData OPTIONAL\r
	33	)\r
	34	{\r
80c4b236 JF	35	return (CpuInfo->CpuIdVersionInfoEcx.Bits.VMX == 1);\r
	36	}\r
	37	\r
	38	/**\r
b1fe2029	39	Initializes VMX feature to specific state.\r
80c4b236 JF	40	\r
	41	@param[in] ProcessorNumber The index of the CPU executing this function.\r
	42	@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
	43	structure for the CPU executing this function.\r
	44	@param[in] ConfigData A pointer to the configuration buffer returned\r
	45	by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r
	46	CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
	47	RegisterCpuFeature().\r
b1fe2029 ED	48	@param[in] State If TRUE, then the VMX feature must be enabled.\r
b1fe2029 ED	49	If FALSE, then the VMX feature must be disabled.\r
80c4b236	50	\r
b1fe2029	51	@retval RETURN_SUCCESS VMX feature is initialized.\r
80c4b236 JF	52	\r
	53	@note This service could be called by BSP only.\r
	54	**/\r
	55	RETURN_STATUS\r
	56	EFIAPI\r
b1fe2029	57	VmxInitialize (\r
80c4b236 JF	58	IN UINTN ProcessorNumber,\r
80c4b236 JF	59	IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r
4ec586b9	60	IN VOID *ConfigData OPTIONAL,\r
80c4b236 JF	61	IN BOOLEAN State\r
	62	)\r
	63	{\r
d28daadd ED	64	//\r
	65	// The scope of EnableVmxOutsideSmx bit in the MSR_IA32_FEATURE_CONTROL is core for\r
	66	// below processor type, only program MSR_IA32_FEATURE_CONTROL for thread 0 in each\r
	67	// core.\r
	68	//\r
	69	if (IS_SILVERMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) \|\|\r
	70	IS_GOLDMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) \|\|\r
053e878b MK	71	IS_GOLDMONT_PLUS_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel))\r
053e878b MK	72	{\r
d28daadd ED	73	if (CpuInfo->ProcessorInfo.Location.Thread != 0) {\r
	74	return RETURN_SUCCESS;\r
	75	}\r
	76	}\r
	77	\r
9c90d39b ED	78	CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (\r
	79	ProcessorNumber,\r
	80	Msr,\r
	81	MSR_IA32_FEATURE_CONTROL,\r
	82	MSR_IA32_FEATURE_CONTROL_REGISTER,\r
	83	Bits.EnableVmxOutsideSmx,\r
	84	(State) ? 1 : 0\r
	85	);\r
	86	\r
80c4b236 JF	87	return RETURN_SUCCESS;\r
	88	}\r
	89	\r
	90	/**\r
	91	Detects if Lock Feature Control Register feature supported on current processor.\r
	92	\r
	93	@param[in] ProcessorNumber The index of the CPU executing this function.\r
	94	@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
	95	structure for the CPU executing this function.\r
	96	@param[in] ConfigData A pointer to the configuration buffer returned\r
	97	by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r
	98	CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
	99	RegisterCpuFeature().\r
	100	\r
	101	@retval TRUE Lock Feature Control Register feature is supported.\r
	102	@retval FALSE Lock Feature Control Register feature is not supported.\r
	103	\r
	104	@note This service could be called by BSP/APs.\r
	105	**/\r
	106	BOOLEAN\r
	107	EFIAPI\r
	108	LockFeatureControlRegisterSupport (\r
	109	IN UINTN ProcessorNumber,\r
	110	IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r
	111	IN VOID *ConfigData OPTIONAL\r
	112	)\r
	113	{\r
80c4b236 JF	114	return TRUE;\r
	115	}\r
	116	\r
	117	/**\r
	118	Initializes Lock Feature Control Register feature to specific state.\r
	119	\r
	120	@param[in] ProcessorNumber The index of the CPU executing this function.\r
	121	@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
	122	structure for the CPU executing this function.\r
	123	@param[in] ConfigData A pointer to the configuration buffer returned\r
	124	by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r
	125	CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
	126	RegisterCpuFeature().\r
	127	@param[in] State If TRUE, then the Lock Feature Control Register feature must be enabled.\r
	128	If FALSE, then the Lock Feature Control Register feature must be disabled.\r
	129	\r
	130	@retval RETURN_SUCCESS Lock Feature Control Register feature is initialized.\r
	131	\r
	132	@note This service could be called by BSP only.\r
	133	**/\r
	134	RETURN_STATUS\r
	135	EFIAPI\r
	136	LockFeatureControlRegisterInitialize (\r
	137	IN UINTN ProcessorNumber,\r
	138	IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r
4ec586b9	139	IN VOID *ConfigData OPTIONAL,\r
80c4b236 JF	140	IN BOOLEAN State\r
	141	)\r
	142	{\r
d28daadd ED	143	//\r
	144	// The scope of Lock bit in the MSR_IA32_FEATURE_CONTROL is core for\r
	145	// below processor type, only program MSR_IA32_FEATURE_CONTROL for thread 0 in each\r
	146	// core.\r
	147	//\r
	148	if (IS_SILVERMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) \|\|\r
	149	IS_GOLDMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) \|\|\r
053e878b MK	150	IS_GOLDMONT_PLUS_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel))\r
053e878b MK	151	{\r
d28daadd ED	152	if (CpuInfo->ProcessorInfo.Location.Thread != 0) {\r
	153	return RETURN_SUCCESS;\r
	154	}\r
	155	}\r
	156	\r
9c90d39b ED	157	CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (\r
	158	ProcessorNumber,\r
	159	Msr,\r
	160	MSR_IA32_FEATURE_CONTROL,\r
	161	MSR_IA32_FEATURE_CONTROL_REGISTER,\r
	162	Bits.Lock,\r
	163	1\r
	164	);\r
	165	\r
80c4b236 JF	166	return RETURN_SUCCESS;\r
	167	}\r
	168	\r
	169	/**\r
	170	Detects if SMX feature supported on current processor.\r
	171	\r
	172	@param[in] ProcessorNumber The index of the CPU executing this function.\r
	173	@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
	174	structure for the CPU executing this function.\r
	175	@param[in] ConfigData A pointer to the configuration buffer returned\r
	176	by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r
	177	CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
	178	RegisterCpuFeature().\r
	179	\r
	180	@retval TRUE SMX feature is supported.\r
	181	@retval FALSE SMX feature is not supported.\r
	182	\r
	183	@note This service could be called by BSP/APs.\r
	184	**/\r
	185	BOOLEAN\r
	186	EFIAPI\r
	187	SmxSupport (\r
	188	IN UINTN ProcessorNumber,\r
	189	IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r
	190	IN VOID *ConfigData OPTIONAL\r
	191	)\r
	192	{\r
80c4b236 JF	193	return (CpuInfo->CpuIdVersionInfoEcx.Bits.SMX == 1);\r
	194	}\r
	195	\r
	196	/**\r
b1fe2029	197	Initializes SMX feature to specific state.\r
80c4b236 JF	198	\r
	199	@param[in] ProcessorNumber The index of the CPU executing this function.\r
	200	@param[in] CpuInfo A pointer to the REGISTER_CPU_FEATURE_INFORMATION\r
	201	structure for the CPU executing this function.\r
	202	@param[in] ConfigData A pointer to the configuration buffer returned\r
	203	by CPU_FEATURE_GET_CONFIG_DATA. NULL if\r
	204	CPU_FEATURE_GET_CONFIG_DATA was not provided in\r
	205	RegisterCpuFeature().\r
b1fe2029 ED	206	@param[in] State If TRUE, then SMX feature must be enabled.\r
b1fe2029 ED	207	If FALSE, then SMX feature must be disabled.\r
80c4b236	208	\r
b1fe2029 ED	209	@retval RETURN_SUCCESS SMX feature is initialized.\r
b1fe2029 ED	210	@retval RETURN_UNSUPPORTED VMX not initialized.\r
80c4b236 JF	211	\r
	212	@note This service could be called by BSP only.\r
	213	**/\r
	214	RETURN_STATUS\r
	215	EFIAPI\r
b1fe2029	216	SmxInitialize (\r
80c4b236 JF	217	IN UINTN ProcessorNumber,\r
80c4b236 JF	218	IN REGISTER_CPU_FEATURE_INFORMATION *CpuInfo,\r
4ec586b9	219	IN VOID *ConfigData OPTIONAL,\r
80c4b236 JF	220	IN BOOLEAN State\r
	221	)\r
	222	{\r
053e878b	223	RETURN_STATUS Status;\r
b1fe2029	224	\r
d28daadd ED	225	//\r
	226	// The scope of Lock bit in the MSR_IA32_FEATURE_CONTROL is core for\r
	227	// below processor type, only program MSR_IA32_FEATURE_CONTROL for thread 0 in each\r
	228	// core.\r
	229	//\r
	230	if (IS_GOLDMONT_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel) \|\|\r
053e878b MK	231	IS_GOLDMONT_PLUS_PROCESSOR (CpuInfo->DisplayFamily, CpuInfo->DisplayModel))\r
053e878b MK	232	{\r
d28daadd ED	233	if (CpuInfo->ProcessorInfo.Location.Thread != 0) {\r
	234	return RETURN_SUCCESS;\r
	235	}\r
	236	}\r
	237	\r
b1fe2029 ED	238	Status = RETURN_SUCCESS;\r
	239	\r
	240	if (State && (!IsCpuFeatureInSetting (CPU_FEATURE_VMX))) {\r
	241	DEBUG ((DEBUG_WARN, "Warning :: Can't enable SMX feature when VMX feature not enabled, disable it.\n"));\r
053e878b	242	State = FALSE;\r
b1fe2029 ED	243	Status = RETURN_UNSUPPORTED;\r
b1fe2029 ED	244	}\r
80c4b236	245	\r
1f0d8096 JV	246	CPU_REGISTER_TABLE_WRITE_FIELD (\r
	247	ProcessorNumber,\r
	248	ControlRegister,\r
	249	4,\r
	250	IA32_CR4,\r
	251	Bits.SMXE,\r
	252	(State) ? 1 : 0\r
053e878b	253	)\r
1f0d8096	254	\r
9c90d39b ED	255	CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (\r
	256	ProcessorNumber,\r
	257	Msr,\r
	258	MSR_IA32_FEATURE_CONTROL,\r
	259	MSR_IA32_FEATURE_CONTROL_REGISTER,\r
	260	Bits.SenterLocalFunctionEnables,\r
	261	(State) ? 0x7F : 0\r
	262	);\r
	263	\r
	264	CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (\r
	265	ProcessorNumber,\r
	266	Msr,\r
	267	MSR_IA32_FEATURE_CONTROL,\r
	268	MSR_IA32_FEATURE_CONTROL_REGISTER,\r
	269	Bits.SenterGlobalEnable,\r
	270	(State) ? 1 : 0\r
	271	);\r
	272	\r
	273	CPU_REGISTER_TABLE_TEST_THEN_WRITE_FIELD (\r
	274	ProcessorNumber,\r
	275	Msr,\r
	276	MSR_IA32_FEATURE_CONTROL,\r
	277	MSR_IA32_FEATURE_CONTROL_REGISTER,\r
	278	Bits.EnableVmxInsideSmx,\r
	279	(State) ? 1 : 0\r
	280	);\r
	281	\r
b1fe2029	282	return Status;\r
80c4b236	283	}\r