1 /** @file 2 Master header file for SecCore. 3 4 Copyright (c) 2013, Intel Corporation. All rights reserved.<BR> 5 This program and the accompanying materials 6 are licensed and made available under the terms and conditions of the BSD License 7 which accompanies this distribution. The full text of the license may be found at 8 http://opensource.org/licenses/bsd-license.php 9 10 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, 11 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. 12 13 **/ 14 15 #ifndef _SEC_CORE_H_ 16 #define _SEC_CORE_H_ 17 18 19 #include <PiPei.h> 20 21 #include <Ppi/SecPlatformInformation.h> 22 #include <Ppi/TemporaryRamSupport.h> 23 24 #include <Library/BaseLib.h> 25 #include <Library/DebugLib.h> 26 #include <Library/PcdLib.h> 27 #include <Library/BaseMemoryLib.h> 28 #include <Library/UefiCpuLib.h> 29 #include <Library/PeCoffGetEntryPointLib.h> 30 #include <Library/PeCoffExtraActionLib.h> 31 #include <Library/DebugAgentLib.h> 32 33 34 #define SEC_IDT_ENTRY_COUNT 34 35 36 typedef struct _SEC_IDT_TABLE { 37 // 38 // Reserved 8 bytes preceding IDT to store EFI_PEI_SERVICES**, since IDT base 39 // address should be 8-byte alignment. 40 // Note: For IA32, only the 4 bytes immediately preceding IDT is used to store 41 // EFI_PEI_SERVICES** 42 // 43 UINT64 PeiService; 44 UINT64 IdtTable[SEC_IDT_ENTRY_COUNT]; 45 } SEC_IDT_TABLE; 46 47 /** 48 Switch the stack in the temporary memory to the one in the permanent memory. 49 50 This function must be invoked after the memory migration immediately. The relative 51 position of the stack in the temporary and permanent memory is same. 52 53 @param TemporaryMemoryBase Base address of the temporary memory. 54 @param PermenentMemoryBase Base address of the permanent memory. 55 **/ 56 VOID 57 EFIAPI 58 SecSwitchStack ( 59 UINT32 TemporaryMemoryBase, 60 UINT32 PermenentMemoryBase 61 ); 62 63 /** 64 This service of the TEMPORARY_RAM_SUPPORT_PPI that migrates temporary RAM into 65 permanent memory. 66 67 @param PeiServices Pointer to the PEI Services Table. 68 @param TemporaryMemoryBase Source Address in temporary memory from which the SEC or PEIM will copy the 69 Temporary RAM contents. 70 @param PermanentMemoryBase Destination Address in permanent memory into which the SEC or PEIM will copy the 71 Temporary RAM contents. 72 @param CopySize Amount of memory to migrate from temporary to permanent memory. 73 74 @retval EFI_SUCCESS The data was successfully returned. 75 @retval EFI_INVALID_PARAMETER PermanentMemoryBase + CopySize > TemporaryMemoryBase when 76 TemporaryMemoryBase > PermanentMemoryBase. 77 78 **/ 79 EFI_STATUS 80 EFIAPI 81 SecTemporaryRamSupport ( 82 IN CONST EFI_PEI_SERVICES **PeiServices, 83 IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase, 84 IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase, 85 IN UINTN CopySize 86 ); 87 88 /** 89 Entry point to the C language phase of SEC. After the SEC assembly 90 code has initialized some temporary memory and set up the stack, 91 the control is transferred to this function. 92 93 @param SizeOfRam Size of the temporary memory available for use. 94 @param TempRamBase Base address of tempory ram 95 @param BootFirmwareVolume Base address of the Boot Firmware Volume. 96 **/ 97 VOID 98 EFIAPI 99 SecStartup ( 100 IN UINT32 SizeOfRam, 101 IN UINT32 TempRamBase, 102 IN VOID *BootFirmwareVolume 103 ); 104 105 /** 106 Find and return Pei Core entry point. 107 108 It also find SEC and PEI Core file debug inforamtion. It will report them if 109 remote debug is enabled. 110 111 @param BootFirmwareVolumePtr Point to the boot firmware volume. 112 @param PeiCoreEntryPoint Point to the PEI core entry point. 113 114 **/ 115 VOID 116 EFIAPI 117 FindAndReportEntryPoints ( 118 IN EFI_FIRMWARE_VOLUME_HEADER *BootFirmwareVolumePtr, 119 OUT EFI_PEI_CORE_ENTRY_POINT *PeiCoreEntryPoint 120 ); 121 122 /** 123 Autogenerated function that calls the library constructors for all of the module's 124 dependent libraries. This function must be called by the SEC Core once a stack has 125 been established. 126 127 **/ 128 VOID 129 EFIAPI 130 ProcessLibraryConstructorList ( 131 VOID 132 ); 133 134 #endif 135