[mirror_edk2.git] / MdeModulePkg / Universal / SectionExtractionPei / SectionExtractionPei.c

/** @file\r
 Section Extraction PEIM\r
\r
Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>\r
SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include <PiPei.h>\r
#include <Ppi/GuidedSectionExtraction.h>\r
#include <Library/DebugLib.h>\r
#include <Library/ExtractGuidedSectionLib.h>\r
#include <Library/MemoryAllocationLib.h>\r
#include <Library/PeiServicesLib.h>\r
\r
/**\r
  The ExtractSection() function processes the input section and\r
  returns a pointer to the section contents. If the section being\r
  extracted does not require processing (if the section\r
  GuidedSectionHeader.Attributes has the\r
  EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then\r
  OutputBuffer is just updated to point to the start of the\r
  section's contents. Otherwise, *Buffer must be allocated\r
  from PEI permanent memory.\r
\r
  @param This                   Indicates the\r
                                EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.\r
                                Buffer containing the input GUIDed section to be\r
                                processed. OutputBuffer OutputBuffer is\r
                                allocated from PEI permanent memory and contains\r
                                the new section stream.\r
  @param InputSection           A pointer to the input buffer, which contains\r
                                the input section to be processed.\r
  @param OutputBuffer           A pointer to a caller-allocated buffer, whose\r
                                size is specified by the contents of OutputSize.\r
  @param OutputSize             A pointer to a caller-allocated\r
                                UINTN in which the size of *OutputBuffer\r
                                allocation is stored. If the function\r
                                returns anything other than EFI_SUCCESS,\r
                                the value of OutputSize is undefined.\r
  @param AuthenticationStatus   A pointer to a caller-allocated\r
                                UINT32 that indicates the\r
                                authentication status of the\r
                                output buffer. If the input\r
                                section's GuidedSectionHeader.\r
                                Attributes field has the\r
                                EFI_GUIDED_SECTION_AUTH_STATUS_VALID\r
                                bit as clear,\r
                                AuthenticationStatus must return\r
                                zero. These bits reflect the\r
                                status of the extraction\r
                                operation. If the function\r
                                returns anything other than\r
                                EFI_SUCCESS, the value of\r
                                AuthenticationStatus is\r
                                undefined.\r
\r
  @retval EFI_SUCCESS           The InputSection was\r
                                successfully processed and the\r
                                section contents were returned.\r
\r
  @retval EFI_OUT_OF_RESOURCES  The system has insufficient\r
                                resources to process the request.\r
\r
  @retval EFI_INVALID_PARAMETER The GUID in InputSection does\r
                                not match this instance of the\r
                                GUIDed Section Extraction PPI.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CustomGuidedSectionExtract (\r
  IN CONST  EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI  *This,\r
  IN CONST  VOID                                   *InputSection,\r
  OUT       VOID                                   **OutputBuffer,\r
  OUT       UINTN                                  *OutputSize,\r
  OUT       UINT32                                 *AuthenticationStatus\r
  );\r
\r
//\r
// Module global for the Section Extraction PPI instance\r
//\r
CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI  mCustomGuidedSectionExtractionPpi = {\r
  CustomGuidedSectionExtract\r
};\r
\r
/**\r
  The ExtractSection() function processes the input section and\r
  returns a pointer to the section contents. If the section being\r
  extracted does not require processing (if the section\r
  GuidedSectionHeader.Attributes has the\r
  EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then\r
  OutputBuffer is just updated to point to the start of the\r
  section's contents. Otherwise, *Buffer must be allocated\r
  from PEI permanent memory.\r
\r
  @param This                   Indicates the\r
                                EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.\r
                                Buffer containing the input GUIDed section to be\r
                                processed. OutputBuffer OutputBuffer is\r
                                allocated from PEI permanent memory and contains\r
                                the new section stream.\r
  @param InputSection           A pointer to the input buffer, which contains\r
                                the input section to be processed.\r
  @param OutputBuffer           A pointer to a caller-allocated buffer, whose\r
                                size is specified by the contents of OutputSize.\r
  @param OutputSize             A pointer to a caller-allocated\r
                                UINTN in which the size of *OutputBuffer\r
                                allocation is stored. If the function\r
                                returns anything other than EFI_SUCCESS,\r
                                the value of OutputSize is undefined.\r
  @param AuthenticationStatus   A pointer to a caller-allocated\r
                                UINT32 that indicates the\r
                                authentication status of the\r
                                output buffer. If the input\r
                                section's GuidedSectionHeader.\r
                                Attributes field has the\r
                                EFI_GUIDED_SECTION_AUTH_STATUS_VALID\r
                                bit as clear,\r
                                AuthenticationStatus must return\r
                                zero. These bits reflect the\r
                                status of the extraction\r
                                operation. If the function\r
                                returns anything other than\r
                                EFI_SUCCESS, the value of\r
                                AuthenticationStatus is\r
                                undefined.\r
\r
  @retval EFI_SUCCESS           The InputSection was\r
                                successfully processed and the\r
                                section contents were returned.\r
\r
  @retval EFI_OUT_OF_RESOURCES  The system has insufficient\r
                                resources to process the request.\r
\r
  @retval EFI_INVALID_PARAMETER The GUID in InputSection does\r
                                not match this instance of the\r
                                GUIDed Section Extraction PPI.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
CustomGuidedSectionExtract (\r
  IN CONST  EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI  *This,\r
  IN CONST  VOID                                   *InputSection,\r
  OUT       VOID                                   **OutputBuffer,\r
  OUT       UINTN                                  *OutputSize,\r
  OUT       UINT32                                 *AuthenticationStatus\r
  )\r
{\r
  EFI_STATUS  Status;\r
  UINT8       *ScratchBuffer;\r
  UINT32      ScratchBufferSize;\r
  UINT32      OutputBufferSize;\r
  UINT16      SectionAttribute;\r
\r
  //\r
  // Init local variable\r
  //\r
  ScratchBuffer = NULL;\r
\r
  //\r
  // Call GetInfo to get the size and attribute of input guided section data.\r
  //\r
  Status = ExtractGuidedSectionGetInfo (\r
             InputSection,\r
             &OutputBufferSize,\r
             &ScratchBufferSize,\r
             &SectionAttribute\r
             );\r
\r
  if (EFI_ERROR (Status)) {\r
    DEBUG ((DEBUG_ERROR, "GetInfo from guided section Failed - %r\n", Status));\r
    return Status;\r
  }\r
\r
  if (ScratchBufferSize != 0) {\r
    //\r
    // Allocate scratch buffer\r
    //\r
    ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r
    if (ScratchBuffer == NULL) {\r
      return EFI_OUT_OF_RESOURCES;\r
    }\r
  }\r
\r
  if (((SectionAttribute & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) != 0) && (OutputBufferSize > 0)) {\r
    //\r
    // Allocate output buffer\r
    //\r
    *OutputBuffer = AllocatePages (EFI_SIZE_TO_PAGES (OutputBufferSize));\r
    if (*OutputBuffer == NULL) {\r
      return EFI_OUT_OF_RESOURCES;\r
    }\r
\r
    DEBUG ((DEBUG_INFO, "Customized Guided section Memory Size required is 0x%x and address is 0x%p\n", OutputBufferSize, *OutputBuffer));\r
  }\r
\r
  Status = ExtractGuidedSectionDecode (\r
             InputSection,\r
             OutputBuffer,\r
             ScratchBuffer,\r
             AuthenticationStatus\r
             );\r
  if (EFI_ERROR (Status)) {\r
    //\r
    // Decode failed\r
    //\r
    DEBUG ((DEBUG_ERROR, "Extract guided section Failed - %r\n", Status));\r
    return Status;\r
  }\r
\r
  *OutputSize = (UINTN)OutputBufferSize;\r
\r
  return EFI_SUCCESS;\r
}\r
\r
/**\r
  Main entry for Section Extraction PEIM driver.\r
\r
  This routine registers the Section Extraction PPIs that have been registered\r
  with the Section Extraction Library.\r
\r
  @param  FileHandle  Handle of the file being invoked.\r
  @param  PeiServices Describes the list of possible PEI Services.\r
\r
  @retval EFI_SUCCESS       The entry point is executed successfully.\r
  @retval other             Some error occurs when executing this entry point.\r
\r
**/\r
EFI_STATUS\r
EFIAPI\r
SectionExtractionPeiEntry (\r
  IN       EFI_PEI_FILE_HANDLE  FileHandle,\r
  IN CONST EFI_PEI_SERVICES     **PeiServices\r
  )\r
{\r
  EFI_STATUS              Status;\r
  EFI_GUID                *ExtractHandlerGuidTable;\r
  UINTN                   ExtractHandlerNumber;\r
  EFI_PEI_PPI_DESCRIPTOR  *GuidPpi;\r
\r
  //\r
  // Get custom extract guided section method guid list\r
  //\r
  ExtractHandlerNumber = ExtractGuidedSectionGetGuidList (&ExtractHandlerGuidTable);\r
\r
  //\r
  // Install custom extraction guid PPI\r
  //\r
  if (ExtractHandlerNumber > 0) {\r
    GuidPpi = (EFI_PEI_PPI_DESCRIPTOR *)AllocatePool (ExtractHandlerNumber * sizeof (EFI_PEI_PPI_DESCRIPTOR));\r
    ASSERT (GuidPpi != NULL);\r
    while (ExtractHandlerNumber-- > 0) {\r
      GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r
      GuidPpi->Ppi   = (VOID *)&mCustomGuidedSectionExtractionPpi;\r
      GuidPpi->Guid  = &ExtractHandlerGuidTable[ExtractHandlerNumber];\r
      Status         = PeiServicesInstallPpi (GuidPpi++);\r
      ASSERT_EFI_ERROR (Status);\r
    }\r
  }\r
\r
  return EFI_SUCCESS;\r
}\r
Commit	Line	Data
	1	/** @file\r
	2	Section Extraction PEIM\r
	3	\r
	4	Copyright (c) 2013 - 2018, Intel Corporation. All rights reserved.<BR>\r
	5	SPDX-License-Identifier: BSD-2-Clause-Patent\r
	6	\r
	7	**/\r
	8	\r
	9	#include <PiPei.h>\r
	10	#include <Ppi/GuidedSectionExtraction.h>\r
	11	#include <Library/DebugLib.h>\r
	12	#include <Library/ExtractGuidedSectionLib.h>\r
	13	#include <Library/MemoryAllocationLib.h>\r
	14	#include <Library/PeiServicesLib.h>\r
	15	\r
	16	/**\r
	17	The ExtractSection() function processes the input section and\r
	18	returns a pointer to the section contents. If the section being\r
	19	extracted does not require processing (if the section\r
	20	GuidedSectionHeader.Attributes has the\r
	21	EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then\r
	22	OutputBuffer is just updated to point to the start of the\r
	23	section's contents. Otherwise, *Buffer must be allocated\r
	24	from PEI permanent memory.\r
	25	\r
	26	@param This Indicates the\r
	27	EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.\r
	28	Buffer containing the input GUIDed section to be\r
	29	processed. OutputBuffer OutputBuffer is\r
	30	allocated from PEI permanent memory and contains\r
	31	the new section stream.\r
	32	@param InputSection A pointer to the input buffer, which contains\r
	33	the input section to be processed.\r
	34	@param OutputBuffer A pointer to a caller-allocated buffer, whose\r
	35	size is specified by the contents of OutputSize.\r
	36	@param OutputSize A pointer to a caller-allocated\r
	37	UINTN in which the size of *OutputBuffer\r
	38	allocation is stored. If the function\r
	39	returns anything other than EFI_SUCCESS,\r
	40	the value of OutputSize is undefined.\r
	41	@param AuthenticationStatus A pointer to a caller-allocated\r
	42	UINT32 that indicates the\r
	43	authentication status of the\r
	44	output buffer. If the input\r
	45	section's GuidedSectionHeader.\r
	46	Attributes field has the\r
	47	EFI_GUIDED_SECTION_AUTH_STATUS_VALID\r
	48	bit as clear,\r
	49	AuthenticationStatus must return\r
	50	zero. These bits reflect the\r
	51	status of the extraction\r
	52	operation. If the function\r
	53	returns anything other than\r
	54	EFI_SUCCESS, the value of\r
	55	AuthenticationStatus is\r
	56	undefined.\r
	57	\r
	58	@retval EFI_SUCCESS The InputSection was\r
	59	successfully processed and the\r
	60	section contents were returned.\r
	61	\r
	62	@retval EFI_OUT_OF_RESOURCES The system has insufficient\r
	63	resources to process the request.\r
	64	\r
	65	@retval EFI_INVALID_PARAMETER The GUID in InputSection does\r
	66	not match this instance of the\r
	67	GUIDed Section Extraction PPI.\r
	68	\r
	69	**/\r
	70	EFI_STATUS\r
	71	EFIAPI\r
	72	CustomGuidedSectionExtract (\r
	73	IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r
	74	IN CONST VOID *InputSection,\r
	75	OUT VOID **OutputBuffer,\r
	76	OUT UINTN *OutputSize,\r
	77	OUT UINT32 *AuthenticationStatus\r
	78	);\r
	79	\r
	80	//\r
	81	// Module global for the Section Extraction PPI instance\r
	82	//\r
	83	CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI mCustomGuidedSectionExtractionPpi = {\r
	84	CustomGuidedSectionExtract\r
	85	};\r
	86	\r
	87	/**\r
	88	The ExtractSection() function processes the input section and\r
	89	returns a pointer to the section contents. If the section being\r
	90	extracted does not require processing (if the section\r
	91	GuidedSectionHeader.Attributes has the\r
	92	EFI_GUIDED_SECTION_PROCESSING_REQUIRED field cleared), then\r
	93	OutputBuffer is just updated to point to the start of the\r
	94	section's contents. Otherwise, *Buffer must be allocated\r
	95	from PEI permanent memory.\r
	96	\r
	97	@param This Indicates the\r
	98	EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI instance.\r
	99	Buffer containing the input GUIDed section to be\r
	100	processed. OutputBuffer OutputBuffer is\r
	101	allocated from PEI permanent memory and contains\r
	102	the new section stream.\r
	103	@param InputSection A pointer to the input buffer, which contains\r
	104	the input section to be processed.\r
	105	@param OutputBuffer A pointer to a caller-allocated buffer, whose\r
	106	size is specified by the contents of OutputSize.\r
	107	@param OutputSize A pointer to a caller-allocated\r
	108	UINTN in which the size of *OutputBuffer\r
	109	allocation is stored. If the function\r
	110	returns anything other than EFI_SUCCESS,\r
	111	the value of OutputSize is undefined.\r
	112	@param AuthenticationStatus A pointer to a caller-allocated\r
	113	UINT32 that indicates the\r
	114	authentication status of the\r
	115	output buffer. If the input\r
	116	section's GuidedSectionHeader.\r
	117	Attributes field has the\r
	118	EFI_GUIDED_SECTION_AUTH_STATUS_VALID\r
	119	bit as clear,\r
	120	AuthenticationStatus must return\r
	121	zero. These bits reflect the\r
	122	status of the extraction\r
	123	operation. If the function\r
	124	returns anything other than\r
	125	EFI_SUCCESS, the value of\r
	126	AuthenticationStatus is\r
	127	undefined.\r
	128	\r
	129	@retval EFI_SUCCESS The InputSection was\r
	130	successfully processed and the\r
	131	section contents were returned.\r
	132	\r
	133	@retval EFI_OUT_OF_RESOURCES The system has insufficient\r
	134	resources to process the request.\r
	135	\r
	136	@retval EFI_INVALID_PARAMETER The GUID in InputSection does\r
	137	not match this instance of the\r
	138	GUIDed Section Extraction PPI.\r
	139	\r
	140	**/\r
	141	EFI_STATUS\r
	142	EFIAPI\r
	143	CustomGuidedSectionExtract (\r
	144	IN CONST EFI_PEI_GUIDED_SECTION_EXTRACTION_PPI *This,\r
	145	IN CONST VOID *InputSection,\r
	146	OUT VOID **OutputBuffer,\r
	147	OUT UINTN *OutputSize,\r
	148	OUT UINT32 *AuthenticationStatus\r
	149	)\r
	150	{\r
	151	EFI_STATUS Status;\r
	152	UINT8 *ScratchBuffer;\r
	153	UINT32 ScratchBufferSize;\r
	154	UINT32 OutputBufferSize;\r
	155	UINT16 SectionAttribute;\r
	156	\r
	157	//\r
	158	// Init local variable\r
	159	//\r
	160	ScratchBuffer = NULL;\r
	161	\r
	162	//\r
	163	// Call GetInfo to get the size and attribute of input guided section data.\r
	164	//\r
	165	Status = ExtractGuidedSectionGetInfo (\r
	166	InputSection,\r
	167	&OutputBufferSize,\r
	168	&ScratchBufferSize,\r
	169	&SectionAttribute\r
	170	);\r
	171	\r
	172	if (EFI_ERROR (Status)) {\r
	173	DEBUG ((DEBUG_ERROR, "GetInfo from guided section Failed - %r\n", Status));\r
	174	return Status;\r
	175	}\r
	176	\r
	177	if (ScratchBufferSize != 0) {\r
	178	//\r
	179	// Allocate scratch buffer\r
	180	//\r
	181	ScratchBuffer = AllocatePages (EFI_SIZE_TO_PAGES (ScratchBufferSize));\r
	182	if (ScratchBuffer == NULL) {\r
	183	return EFI_OUT_OF_RESOURCES;\r
	184	}\r
	185	}\r
	186	\r
	187	if (((SectionAttribute & EFI_GUIDED_SECTION_PROCESSING_REQUIRED) != 0) && (OutputBufferSize > 0)) {\r
	188	//\r
	189	// Allocate output buffer\r
	190	//\r
	191	*OutputBuffer = AllocatePages (EFI_SIZE_TO_PAGES (OutputBufferSize));\r
	192	if (*OutputBuffer == NULL) {\r
	193	return EFI_OUT_OF_RESOURCES;\r
	194	}\r
	195	\r
	196	DEBUG ((DEBUG_INFO, "Customized Guided section Memory Size required is 0x%x and address is 0x%p\n", OutputBufferSize, *OutputBuffer));\r
	197	}\r
	198	\r
	199	Status = ExtractGuidedSectionDecode (\r
	200	InputSection,\r
	201	OutputBuffer,\r
	202	ScratchBuffer,\r
	203	AuthenticationStatus\r
	204	);\r
	205	if (EFI_ERROR (Status)) {\r
	206	//\r
	207	// Decode failed\r
	208	//\r
	209	DEBUG ((DEBUG_ERROR, "Extract guided section Failed - %r\n", Status));\r
	210	return Status;\r
	211	}\r
	212	\r
	213	*OutputSize = (UINTN)OutputBufferSize;\r
	214	\r
	215	return EFI_SUCCESS;\r
	216	}\r
	217	\r
	218	/**\r
	219	Main entry for Section Extraction PEIM driver.\r
	220	\r
	221	This routine registers the Section Extraction PPIs that have been registered\r
	222	with the Section Extraction Library.\r
	223	\r
	224	@param FileHandle Handle of the file being invoked.\r
	225	@param PeiServices Describes the list of possible PEI Services.\r
	226	\r
	227	@retval EFI_SUCCESS The entry point is executed successfully.\r
	228	@retval other Some error occurs when executing this entry point.\r
	229	\r
	230	**/\r
	231	EFI_STATUS\r
	232	EFIAPI\r
	233	SectionExtractionPeiEntry (\r
	234	IN EFI_PEI_FILE_HANDLE FileHandle,\r
	235	IN CONST EFI_PEI_SERVICES **PeiServices\r
	236	)\r
	237	{\r
	238	EFI_STATUS Status;\r
	239	EFI_GUID *ExtractHandlerGuidTable;\r
	240	UINTN ExtractHandlerNumber;\r
	241	EFI_PEI_PPI_DESCRIPTOR *GuidPpi;\r
	242	\r
	243	//\r
	244	// Get custom extract guided section method guid list\r
	245	//\r
	246	ExtractHandlerNumber = ExtractGuidedSectionGetGuidList (&ExtractHandlerGuidTable);\r
	247	\r
	248	//\r
	249	// Install custom extraction guid PPI\r
	250	//\r
	251	if (ExtractHandlerNumber > 0) {\r
	252	GuidPpi = (EFI_PEI_PPI_DESCRIPTOR )AllocatePool (ExtractHandlerNumber sizeof (EFI_PEI_PPI_DESCRIPTOR));\r
	253	ASSERT (GuidPpi != NULL);\r
	254	while (ExtractHandlerNumber-- > 0) {\r
	255	GuidPpi->Flags = EFI_PEI_PPI_DESCRIPTOR_PPI \| EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST;\r
	256	GuidPpi->Ppi = (VOID *)&mCustomGuidedSectionExtractionPpi;\r
	257	GuidPpi->Guid = &ExtractHandlerGuidTable[ExtractHandlerNumber];\r
	258	Status = PeiServicesInstallPpi (GuidPpi++);\r
	259	ASSERT_EFI_ERROR (Status);\r
	260	}\r
	261	}\r
	262	\r
	263	return EFI_SUCCESS;\r
	264	}\r