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Diffstat (limited to 'UnixPkg/Sec/SecMain.c')
| -rw-r--r-- | UnixPkg/Sec/SecMain.c | 1048 |
1 files changed, 1048 insertions, 0 deletions
diff --git a/UnixPkg/Sec/SecMain.c b/UnixPkg/Sec/SecMain.c new file mode 100644 index 0000000000..a6da20b135 --- /dev/null +++ b/UnixPkg/Sec/SecMain.c @@ -0,0 +1,1048 @@ +/*++ + +Copyright (c) 2006 - 2007 Intel Corporation. +All rights reserved. This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD License +which accompanies this distribution. The full text of the license may be found at +http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +Module Name: + + SecMain.c + +Abstract: + WinNt emulator of SEC phase. It's really a Posix application, but this is + Ok since all the other modules for NT32 are NOT Posix applications. + + This program processes host environment variables and figures out + what the memory layout will be, how may FD's will be loaded and also + what the boot mode is. + + The SEC registers a set of services with the SEC core. gPrivateDispatchTable + is a list of PPI's produced by the SEC that are availble for usage in PEI. + + This code produces 128 K of temporary memory for the PEI stack by opening a + host file and mapping it directly to memory addresses. + + The system.cmd script is used to set host environment variables that drive + the configuration opitons of the SEC. + +--*/ + +#include "SecMain.h" +#include <sys/mman.h> +#include <Ppi/UnixPeiLoadFile.h> +#include <Framework/StatusCode.h> +#include <Ppi/TemporaryRamSupport.h> +#include <dlfcn.h> +// +// Globals +// +EFI_PEI_PE_COFF_LOADER_PROTOCOL_INSTANCE mPeiEfiPeiPeCoffLoaderInstance = { + { + SecNt32PeCoffGetImageInfo, + SecNt32PeCoffLoadImage, + SecNt32PeCoffRelocateImage, + SecNt32PeCoffUnloadimage + }, + NULL +}; + + + +EFI_PEI_PE_COFF_LOADER_PROTOCOL *gPeiEfiPeiPeCoffLoader = &mPeiEfiPeiPeCoffLoaderInstance.PeCoff; + +UNIX_PEI_LOAD_FILE_PPI mSecNtLoadFilePpi = { SecWinNtPeiLoadFile }; + +PEI_UNIX_AUTOSCAN_PPI mSecNtAutoScanPpi = { SecWinNtPeiAutoScan }; + +PEI_UNIX_THUNK_PPI mSecWinNtThunkPpi = { SecWinNtWinNtThunkAddress }; + +EFI_PEI_PROGRESS_CODE_PPI mSecStatusCodePpi = { SecPeiReportStatusCode }; + +UNIX_FWH_PPI mSecFwhInformationPpi = { SecWinNtFdAddress }; + +TEMPORARY_RAM_SUPPORT_PPI mSecTemporaryRamSupportPpi = {SecTemporaryRamSupport}; + +EFI_PEI_PPI_DESCRIPTOR gPrivateDispatchTable[] = { + { + EFI_PEI_PPI_DESCRIPTOR_PPI, + &gEfiPeiPeCoffLoaderGuid, + NULL + }, + { + EFI_PEI_PPI_DESCRIPTOR_PPI, + &gUnixPeiLoadFilePpiGuid, + &mSecNtLoadFilePpi + }, + { + EFI_PEI_PPI_DESCRIPTOR_PPI, + &gPeiUnixAutoScanPpiGuid, + &mSecNtAutoScanPpi + }, + { + EFI_PEI_PPI_DESCRIPTOR_PPI, + &gPeiUnixThunkPpiGuid, + &mSecWinNtThunkPpi + }, + { + EFI_PEI_PPI_DESCRIPTOR_PPI, + &gEfiPeiStatusCodePpiGuid, + &mSecStatusCodePpi + }, + { + EFI_PEI_PPI_DESCRIPTOR_PPI, + &gEfiTemporaryRamSupportPpiGuid, + &mSecTemporaryRamSupportPpi + }, + { + + EFI_PEI_PPI_DESCRIPTOR_PPI | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST, + &gUnixFwhPpiGuid, + &mSecFwhInformationPpi + } +}; + + +// +// Default information about where the FD is located. +// This array gets filled in with information from EFI_FIRMWARE_VOLUMES +// EFI_FIRMWARE_VOLUMES is a host environment variable set by system.cmd. +// The number of array elements is allocated base on parsing +// EFI_FIRMWARE_VOLUMES and the memory is never freed. +// +UINTN gFdInfoCount = 0; +UNIX_FD_INFO *gFdInfo; + +// +// Array that supports seperate memory rantes. +// The memory ranges are set in system.cmd via the EFI_MEMORY_SIZE variable. +// The number of array elements is allocated base on parsing +// EFI_MEMORY_SIZE and the memory is never freed. +// +UINTN gSystemMemoryCount = 0; +UNIX_SYSTEM_MEMORY *gSystemMemory; + +VOID +EFIAPI +SecSwitchStack ( + UINT32 TemporaryMemoryBase, + UINT32 PermenentMemoryBase + ); + +STATIC +EFI_PHYSICAL_ADDRESS * +MapMemory ( + INTN fd, + UINT64 length, + INTN prot, + INTN flags); + +STATIC +EFI_STATUS +MapFile ( + IN CHAR8 *FileName, + IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress, + OUT UINT64 *Length + ); + + +INTN +EFIAPI +main ( + IN INTN Argc, + IN CHAR8 **Argv, + IN CHAR8 **Envp + ) +/*++ + +Routine Description: + Main entry point to SEC for WinNt. This is a unix program + +Arguments: + Argc - Number of command line arguments + Argv - Array of command line argument strings + Envp - Array of environmemt variable strings + +Returns: + 0 - Normal exit + 1 - Abnormal exit + +--*/ +{ + EFI_STATUS Status; + EFI_PHYSICAL_ADDRESS InitialStackMemory; + UINT64 InitialStackMemorySize; + UINTN Index; + UINTN Index1; + UINTN Index2; + UINTN PeiIndex; + CHAR8 *FileName; + BOOLEAN Done; + VOID *PeiCoreFile; + CHAR16 *MemorySizeStr; + CHAR16 *FirmwareVolumesStr; + UINTN *StackPointer; + + setbuf(stdout, 0); + setbuf(stderr, 0); + + MemorySizeStr = (CHAR16 *) FixedPcdGetPtr (PcdUnixMemorySizeForSecMain); + FirmwareVolumesStr = (CHAR16 *) FixedPcdGetPtr (PcdUnixFirmwareVolume); + + printf ("\nEDK SEC Main UNIX Emulation Environment from www.TianoCore.org\n"); + + // + // Allocate space for gSystemMemory Array + // + gSystemMemoryCount = CountSeperatorsInString (MemorySizeStr, '!') + 1; + gSystemMemory = calloc (gSystemMemoryCount, sizeof (UNIX_SYSTEM_MEMORY)); + if (gSystemMemory == NULL) { + printf ("ERROR : Can not allocate memory for system. Exiting.\n"); + exit (1); + } + // + // Allocate space for gSystemMemory Array + // + gFdInfoCount = CountSeperatorsInString (FirmwareVolumesStr, '!') + 1; + gFdInfo = calloc (gFdInfoCount, sizeof (UNIX_FD_INFO)); + if (gFdInfo == NULL) { + printf ("ERROR : Can not allocate memory for fd info. Exiting.\n"); + exit (1); + } + // + // Setup Boot Mode. If BootModeStr == "" then BootMode = 0 (BOOT_WITH_FULL_CONFIGURATION) + // + printf (" BootMode 0x%02x\n", FixedPcdGet32 (PcdUnixBootMode)); + + // + // Open up a 128K file to emulate temp memory for PEI. + // on a real platform this would be SRAM, or using the cache as RAM. + // Set InitialStackMemory to zero so WinNtOpenFile will allocate a new mapping + // + InitialStackMemorySize = STACK_SIZE; + InitialStackMemory = (UINTN)MapMemory(0, + (UINT32) InitialStackMemorySize, + PROT_READ | PROT_WRITE, + MAP_ANONYMOUS | MAP_PRIVATE); + if (InitialStackMemory == 0) { + printf ("ERROR : Can not open SecStack Exiting\n"); + exit (1); + } + + printf (" SEC passing in %u KB of temp RAM at 0x%08lx to PEI\n", + (UINTN)(InitialStackMemorySize / 1024), + (unsigned long)InitialStackMemory); + + for (StackPointer = (UINTN*) (UINTN) InitialStackMemory; + StackPointer < (UINTN*) ((UINTN) InitialStackMemory + (UINT64) InitialStackMemorySize); + StackPointer ++) { + *StackPointer = 0x5AA55AA5; + } + + // + // Open All the firmware volumes and remember the info in the gFdInfo global + // + FileName = (CHAR8 *)malloc (StrLen (FirmwareVolumesStr) + 1); + if (FileName == NULL) { + printf ("ERROR : Can not allocate memory for firmware volume string\n"); + exit (1); + } + + Index2 = 0; + for (Done = FALSE, Index = 0, PeiIndex = 0, PeiCoreFile = NULL; + FirmwareVolumesStr[Index2] != 0; + Index++) { + for (Index1 = 0; (FirmwareVolumesStr[Index2] != '!') && (FirmwareVolumesStr[Index2] != 0); Index2++) + FileName[Index1++] = FirmwareVolumesStr[Index2]; + if (FirmwareVolumesStr[Index2] == '!') + Index2++; + FileName[Index1] = '\0'; + + // + // Open the FD and remmeber where it got mapped into our processes address space + // + Status = MapFile ( + FileName, + &gFdInfo[Index].Address, + &gFdInfo[Index].Size + ); + if (EFI_ERROR (Status)) { + printf ("ERROR : Can not open Firmware Device File %s (%x). Exiting.\n", FileName, Status); + exit (1); + } + + printf (" FD loaded from %s at 0x%08lx", + FileName, (unsigned long)gFdInfo[Index].Address); + + if (PeiCoreFile == NULL) { + // + // Assume the beginning of the FD is an FV and look for the PEI Core. + // Load the first one we find. + // + Status = SecFfsFindPeiCore ((EFI_FIRMWARE_VOLUME_HEADER *) (UINTN) gFdInfo[Index].Address, &PeiCoreFile); + if (!EFI_ERROR (Status)) { + PeiIndex = Index; + printf (" contains SEC Core"); + } + } + + printf ("\n"); + } + // + // Calculate memory regions and store the information in the gSystemMemory + // global for later use. The autosizing code will use this data to + // map this memory into the SEC process memory space. + // + Index1 = 0; + Index = 0; + while (1) { + UINTN val = 0; + // + // Save the size of the memory. + // + while (MemorySizeStr[Index1] >= '0' && MemorySizeStr[Index1] <= '9') { + val = val * 10 + MemorySizeStr[Index1] - '0'; + Index1++; + } + gSystemMemory[Index++].Size = val * 0x100000; + if (MemorySizeStr[Index1] == 0) + break; + Index1++; + } + + printf ("\n"); + + // + // Hand off to PEI Core + // + SecLoadFromCore ((UINTN) InitialStackMemory, (UINTN) InitialStackMemorySize, (UINTN) gFdInfo[0].Address, PeiCoreFile); + + // + // If we get here, then the PEI Core returned. This is an error as PEI should + // always hand off to DXE. + // + printf ("ERROR : PEI Core returned\n"); + exit (1); +} + +EFI_PHYSICAL_ADDRESS * +MapMemory ( + INTN fd, + UINT64 length, + INTN prot, + INTN flags) +{ + STATIC UINTN base = 0x40000000; + CONST UINTN align = (1 << 24); + VOID *res = NULL; + BOOLEAN isAligned = 0; + + // + // Try to get an aligned block somewhere in the address space of this + // process. + // + while((!isAligned) && (base != 0)) { + res = mmap ((void *)base, length, prot, flags, fd, 0); + if (res == MAP_FAILED) { + return NULL; + } + if ((((UINTN)res) & ~(align-1)) == (UINTN)res) { + isAligned=1; + } + else { + munmap(res, length); + base += align; + } + } + return res; +} + +EFI_STATUS +MapFile ( + IN CHAR8 *FileName, + IN OUT EFI_PHYSICAL_ADDRESS *BaseAddress, + OUT UINT64 *Length + ) +/*++ + +Routine Description: + Opens and memory maps a file using WinNt services. If BaseAddress is non zero + the process will try and allocate the memory starting at BaseAddress. + +Arguments: + FileName - The name of the file to open and map + MapSize - The amount of the file to map in bytes + CreationDisposition - The flags to pass to CreateFile(). Use to create new files for + memory emulation, and exiting files for firmware volume emulation + BaseAddress - The base address of the mapped file in the user address space. + If passed in as NULL the a new memory region is used. + If passed in as non NULL the request memory region is used for + the mapping of the file into the process space. + Length - The size of the mapped region in bytes + +Returns: + EFI_SUCCESS - The file was opened and mapped. + EFI_NOT_FOUND - FileName was not found in the current directory + EFI_DEVICE_ERROR - An error occured attempting to map the opened file + +--*/ +{ + int fd; + VOID *res; + UINTN FileSize; + + fd = open (FileName, O_RDONLY); + if (fd < 0) + return EFI_NOT_FOUND; + FileSize = lseek (fd, 0, SEEK_END); + +#if 0 + if (IsMain) + { + /* Read entry address. */ + lseek (fd, FileSize - 0x20, SEEK_SET); + if (read (fd, &EntryAddress, 4) != 4) + { + close (fd); + return EFI_DEVICE_ERROR; + } + } +#endif + + res = MapMemory(fd, FileSize, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE); + + close (fd); + + if (res == MAP_FAILED) + return EFI_DEVICE_ERROR; + + *Length = (UINT64) FileSize; + *BaseAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) res; + + return EFI_SUCCESS; +} + +#define BYTES_PER_RECORD 512 + +EFI_STATUS +EFIAPI +SecPeiReportStatusCode ( + IN EFI_PEI_SERVICES **PeiServices, + IN EFI_STATUS_CODE_TYPE CodeType, + IN EFI_STATUS_CODE_VALUE Value, + IN UINT32 Instance, + IN EFI_GUID * CallerId, + IN EFI_STATUS_CODE_DATA * Data OPTIONAL + ) +/*++ + +Routine Description: + + This routine produces the ReportStatusCode PEI service. It's passed + up to the PEI Core via a PPI. T + + This code currently uses the UNIX clib printf. This does not work the same way + as the EFI Print (), as %t, %g, %s as Unicode are not supported. + +Arguments: + (see EFI_PEI_REPORT_STATUS_CODE) + +Returns: + EFI_SUCCESS - Always return success + +--*/ +// TODO: PeiServices - add argument and description to function comment +// TODO: CodeType - add argument and description to function comment +// TODO: Value - add argument and description to function comment +// TODO: Instance - add argument and description to function comment +// TODO: CallerId - add argument and description to function comment +// TODO: Data - add argument and description to function comment +{ + CHAR8 *Format; + VA_LIST Marker; + CHAR8 PrintBuffer[BYTES_PER_RECORD * 2]; + CHAR8 *Filename; + CHAR8 *Description; + UINT32 LineNumber; + UINT32 ErrorLevel; + + + if (Data == NULL) { + } else if (ReportStatusCodeExtractAssertInfo (CodeType, Value, Data, &Filename, &Description, &LineNumber)) { + // + // Processes ASSERT () + // + printf ("ASSERT %s(%d): %s\n", Filename, LineNumber, Description); + + } else if (ReportStatusCodeExtractDebugInfo (Data, &ErrorLevel, &Marker, &Format)) { + // + // Process DEBUG () macro + // + AsciiVSPrint (PrintBuffer, BYTES_PER_RECORD, Format, Marker); + printf (PrintBuffer); + } + + return EFI_SUCCESS; +} + +/** + Transfers control to a function starting with a new stack. + + Transfers control to the function specified by EntryPoint using the new stack + specified by NewStack and passing in the parameters specified by Context1 and + Context2. Context1 and Context2 are optional and may be NULL. The function + EntryPoint must never return. + + If EntryPoint is NULL, then ASSERT(). + If NewStack is NULL, then ASSERT(). + + @param EntryPoint A pointer to function to call with the new stack. + @param Context1 A pointer to the context to pass into the EntryPoint + function. + @param Context2 A pointer to the context to pass into the EntryPoint + function. + @param NewStack A pointer to the new stack to use for the EntryPoint + function. + @param NewBsp A pointer to the new BSP for the EntryPoint on IPF. It's + Reserved on other architectures. + +**/ +VOID +EFIAPI +PeiSwitchStacks ( + IN SWITCH_STACK_ENTRY_POINT EntryPoint, + IN VOID *Context1, OPTIONAL + IN VOID *Context2, OPTIONAL + IN VOID *Context3, OPTIONAL + IN VOID *NewStack + ) +{ + BASE_LIBRARY_JUMP_BUFFER JumpBuffer; + + ASSERT (EntryPoint != NULL); + ASSERT (NewStack != NULL); + + // + // Stack should be aligned with CPU_STACK_ALIGNMENT + // + ASSERT (((UINTN)NewStack & (CPU_STACK_ALIGNMENT - 1)) == 0); + + JumpBuffer.Eip = (UINTN)EntryPoint; + JumpBuffer.Esp = (UINTN)NewStack - sizeof (VOID*); + JumpBuffer.Esp -= sizeof (Context1) + sizeof (Context2) + sizeof(Context3); + ((VOID**)JumpBuffer.Esp)[1] = Context1; + ((VOID**)JumpBuffer.Esp)[2] = Context2; + ((VOID**)JumpBuffer.Esp)[3] = Context3; + + LongJump (&JumpBuffer, (UINTN)-1); + + + // + // InternalSwitchStack () will never return + // + ASSERT (FALSE); +} + +VOID +SecLoadFromCore ( + IN UINTN LargestRegion, + IN UINTN LargestRegionSize, + IN UINTN BootFirmwareVolumeBase, + IN VOID *PeiCorePe32File + ) +/*++ + +Routine Description: + This is the service to load the PEI Core from the Firmware Volume + +Arguments: + LargestRegion - Memory to use for PEI. + LargestRegionSize - Size of Memory to use for PEI + BootFirmwareVolumeBase - Start of the Boot FV + PeiCorePe32File - PEI Core PE32 + +Returns: + Success means control is transfered and thus we should never return + +--*/ +{ + EFI_STATUS Status; + EFI_PHYSICAL_ADDRESS TopOfMemory; + VOID *TopOfStack; + UINT64 PeiCoreSize; + EFI_PHYSICAL_ADDRESS PeiCoreEntryPoint; + EFI_PHYSICAL_ADDRESS PeiImageAddress; + EFI_SEC_PEI_HAND_OFF *SecCoreData; + UINTN PeiStackSize; + + // + // Compute Top Of Memory for Stack and PEI Core Allocations + // + TopOfMemory = LargestRegion + LargestRegionSize; + PeiStackSize = (UINTN)RShiftU64((UINT64)STACK_SIZE,1); + + // + // |-----------| <---- TemporaryRamBase + TemporaryRamSize + // | Heap | + // | | + // |-----------| <---- StackBase / PeiTemporaryMemoryBase + // | | + // | Stack | + // |-----------| <---- TemporaryRamBase + // + TopOfStack = (VOID *)(LargestRegion + PeiStackSize); + TopOfMemory = LargestRegion + PeiStackSize; + + // + // Reservet space for storing PeiCore's parament in stack. + // + TopOfStack = (VOID *)((UINTN)TopOfStack - sizeof (EFI_SEC_PEI_HAND_OFF) - CPU_STACK_ALIGNMENT); + TopOfStack = ALIGN_POINTER (TopOfStack, CPU_STACK_ALIGNMENT); + + // + // Patch value in dispatch table values + // + gPrivateDispatchTable[0].Ppi = gPeiEfiPeiPeCoffLoader; + + // + // Bind this information into the SEC hand-off state + // + SecCoreData = (EFI_SEC_PEI_HAND_OFF*)(UINTN) TopOfStack; + SecCoreData->DataSize = sizeof(EFI_SEC_PEI_HAND_OFF); + SecCoreData->BootFirmwareVolumeBase = (VOID*)BootFirmwareVolumeBase; + SecCoreData->BootFirmwareVolumeSize = FixedPcdGet32(PcdUnixFirmwareFdSize); + SecCoreData->TemporaryRamBase = (VOID*)(UINTN)LargestRegion; + SecCoreData->TemporaryRamSize = STACK_SIZE; + SecCoreData->StackBase = SecCoreData->TemporaryRamBase; + SecCoreData->StackSize = PeiStackSize; + SecCoreData->PeiTemporaryRamBase = (VOID*) ((UINTN) SecCoreData->TemporaryRamBase + PeiStackSize); + SecCoreData->PeiTemporaryRamSize = STACK_SIZE - PeiStackSize; + + // + // Load the PEI Core from a Firmware Volume + // + Status = SecWinNtPeiLoadFile ( + PeiCorePe32File, + &PeiImageAddress, + &PeiCoreSize, + &PeiCoreEntryPoint + ); + if (EFI_ERROR (Status)) { + return ; + } + + // + // Transfer control to the PEI Core + // + PeiSwitchStacks ( + (SWITCH_STACK_ENTRY_POINT) (UINTN) PeiCoreEntryPoint, + SecCoreData, + (VOID *) (UINTN) ((EFI_PEI_PPI_DESCRIPTOR *) &gPrivateDispatchTable), + NULL, + TopOfStack + ); + // + // If we get here, then the PEI Core returned. This is an error + // + return ; +} + +EFI_STATUS +EFIAPI +SecWinNtPeiAutoScan ( + IN UINTN Index, + OUT EFI_PHYSICAL_ADDRESS *MemoryBase, + OUT UINT64 *MemorySize + ) +/*++ + +Routine Description: + This service is called from Index == 0 until it returns EFI_UNSUPPORTED. + It allows discontiguous memory regions to be supported by the emulator. + It uses gSystemMemory[] and gSystemMemoryCount that were created by + parsing the host environment variable EFI_MEMORY_SIZE. + The size comes from the varaible and the address comes from the call to + WinNtOpenFile. + +Arguments: + Index - Which memory region to use + MemoryBase - Return Base address of memory region + MemorySize - Return size in bytes of the memory region + +Returns: + EFI_SUCCESS - If memory region was mapped + EFI_UNSUPPORTED - If Index is not supported + +--*/ +{ + void *res; + + if (Index >= gSystemMemoryCount) { + return EFI_UNSUPPORTED; + } + + *MemoryBase = 0; + res = MapMemory(0, gSystemMemory[Index].Size, + PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_PRIVATE | MAP_ANONYMOUS); + if (res == MAP_FAILED) + return EFI_DEVICE_ERROR; + *MemorySize = gSystemMemory[Index].Size; + *MemoryBase = (UINTN)res; + gSystemMemory[Index].Memory = *MemoryBase; + + return EFI_SUCCESS; +} + +VOID * +EFIAPI +SecWinNtWinNtThunkAddress ( + VOID + ) +/*++ + +Routine Description: + Since the SEC is the only Unix program in stack it must export + an interface to do Win API calls. That's what the WinNtThunk address + is for. gWinNt is initailized in WinNtThunk.c. + +Arguments: + InterfaceSize - sizeof (EFI_WIN_NT_THUNK_PROTOCOL); + InterfaceBase - Address of the gWinNt global + +Returns: + EFI_SUCCESS - Data returned + +--*/ +{ + return gUnix; +} + + +EFI_STATUS +EFIAPI +SecWinNtPeiLoadFile ( + IN VOID *Pe32Data, + IN EFI_PHYSICAL_ADDRESS *ImageAddress, + IN UINT64 *ImageSize, + IN EFI_PHYSICAL_ADDRESS *EntryPoint + ) +/*++ + +Routine Description: + Loads and relocates a PE/COFF image into memory. + +Arguments: + Pe32Data - The base address of the PE/COFF file that is to be loaded and relocated + ImageAddress - The base address of the relocated PE/COFF image + ImageSize - The size of the relocated PE/COFF image + EntryPoint - The entry point of the relocated PE/COFF image + +Returns: + EFI_SUCCESS - The file was loaded and relocated + EFI_OUT_OF_RESOURCES - There was not enough memory to load and relocate the PE/COFF file + +--*/ +{ + EFI_STATUS Status; + PE_COFF_LOADER_IMAGE_CONTEXT ImageContext; + + ZeroMem (&ImageContext, sizeof (ImageContext)); + ImageContext.Handle = Pe32Data; + + ImageContext.ImageRead = (PE_COFF_LOADER_READ_FILE) SecImageRead; + + Status = gPeiEfiPeiPeCoffLoader->GetImageInfo (gPeiEfiPeiPeCoffLoader, &ImageContext); + if (EFI_ERROR (Status)) { + return Status; + } + // + // Allocate space in UNIX (not emulator) memory. Extra space is for alignment + // + ImageContext.ImageAddress = (EFI_PHYSICAL_ADDRESS) (UINTN) malloc ((UINTN) (ImageContext.ImageSize + (ImageContext.SectionAlignment * 2))); + if (ImageContext.ImageAddress == 0) { + return EFI_OUT_OF_RESOURCES; + } + // + // Align buffer on section boundry + // + ImageContext.ImageAddress += ImageContext.SectionAlignment; + ImageContext.ImageAddress &= ~(ImageContext.SectionAlignment - 1); + + + Status = gPeiEfiPeiPeCoffLoader->LoadImage (gPeiEfiPeiPeCoffLoader, &ImageContext); + if (EFI_ERROR (Status)) { + return Status; + } + + Status = gPeiEfiPeiPeCoffLoader->RelocateImage (gPeiEfiPeiPeCoffLoader, &ImageContext); + if (EFI_ERROR (Status)) { + return Status; + } + + // + // BugBug: Flush Instruction Cache Here when CPU Lib is ready + // + + *ImageAddress = ImageContext.ImageAddress; + *ImageSize = ImageContext.ImageSize; + *EntryPoint = ImageContext.EntryPoint; + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +SecWinNtFdAddress ( + IN UINTN Index, + IN OUT EFI_PHYSICAL_ADDRESS *FdBase, + IN OUT UINT64 *FdSize + ) +/*++ + +Routine Description: + Return the FD Size and base address. Since the FD is loaded from a + file into host memory only the SEC will know it's address. + +Arguments: + Index - Which FD, starts at zero. + FdSize - Size of the FD in bytes + FdBase - Start address of the FD. Assume it points to an FV Header + +Returns: + EFI_SUCCESS - Return the Base address and size of the FV + EFI_UNSUPPORTED - Index does nto map to an FD in the system + +--*/ +{ + if (Index >= gFdInfoCount) { + return EFI_UNSUPPORTED; + } + + *FdBase = gFdInfo[Index].Address; + *FdSize = gFdInfo[Index].Size; + + if (*FdBase == 0 && *FdSize == 0) { + return EFI_UNSUPPORTED; + } + + return EFI_SUCCESS; +} + +EFI_STATUS +EFIAPI +SecImageRead ( + IN VOID *FileHandle, + IN UINTN FileOffset, + IN OUT UINTN *ReadSize, + OUT VOID *Buffer + ) +/*++ + +Routine Description: + Support routine for the PE/COFF Loader that reads a buffer from a PE/COFF file + +Arguments: + FileHandle - The handle to the PE/COFF file + FileOffset - The offset, in bytes, into the file to read + ReadSize - The number of bytes to read from the file starting at FileOffset + Buffer - A pointer to the buffer to read the data into. + +Returns: + EFI_SUCCESS - ReadSize bytes of data were read into Buffer from the PE/COFF file starting at FileOffset + +--*/ +{ + CHAR8 *Destination8; + CHAR8 *Source8; + UINTN Length; + + Destination8 = Buffer; + Source8 = (CHAR8 *) ((UINTN) FileHandle + FileOffset); + Length = *ReadSize; + while (Length--) { + *(Destination8++) = *(Source8++); + } + + return EFI_SUCCESS; +} + +UINTN +CountSeperatorsInString ( + IN const CHAR16 *String, + IN CHAR16 Seperator + ) +/*++ + +Routine Description: + Count the number of seperators in String + +Arguments: + String - String to process + Seperator - Item to count + +Returns: + Number of Seperator in String + +--*/ +{ + UINTN Count; + + for (Count = 0; *String != '\0'; String++) { + if (*String == Seperator) { + Count++; + } + } + + return Count; +} + + + +EFI_STATUS +EFIAPI +SecNt32PeCoffGetImageInfo ( + IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This, + IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext + ) +{ + EFI_STATUS Status; + + Status = PeCoffLoaderGetImageInfo (ImageContext); + if (EFI_ERROR (Status)) { + return Status; + } + + switch (ImageContext->ImageType) { + + case EFI_IMAGE_SUBSYSTEM_EFI_APPLICATION: + ImageContext->ImageCodeMemoryType = EfiLoaderCode; + ImageContext->ImageDataMemoryType = EfiLoaderData; + break; + + case EFI_IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER: + ImageContext->ImageCodeMemoryType = EfiBootServicesCode; + ImageContext->ImageDataMemoryType = EfiBootServicesData; + break; + + case EFI_IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER: + case EFI_IMAGE_SUBSYSTEM_SAL_RUNTIME_DRIVER: + ImageContext->ImageCodeMemoryType = EfiRuntimeServicesCode; + ImageContext->ImageDataMemoryType = EfiRuntimeServicesData; + break; + + default: + ImageContext->ImageError = IMAGE_ERROR_INVALID_SUBSYSTEM; + return RETURN_UNSUPPORTED; + } + + return Status; +} + +EFI_STATUS +EFIAPI +SecNt32PeCoffLoadImage ( + IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This, + IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext + ) +{ + EFI_STATUS Status; + + Status = PeCoffLoaderLoadImage (ImageContext); + return Status; +} + +VOID +SecUnixLoaderBreak ( + VOID + ) +{ +} + +EFI_STATUS +EFIAPI +SecNt32PeCoffRelocateImage ( + IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This, + IN OUT PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext + ) +{ + void * Handle; + void * Entry; + EFI_STATUS Status; + + Handle = NULL; + Entry = NULL; + Status = PeCoffLoaderRelocateImage (ImageContext); + fprintf (stderr, + "Loading %s 0x%08lx - entry point 0x%08lx\n", + ImageContext->PdbPointer, + (unsigned long)ImageContext->ImageAddress, + (unsigned long)ImageContext->EntryPoint); + + SecUnixLoaderBreak (); + + return Status; +} + + +EFI_STATUS +EFIAPI +SecNt32PeCoffUnloadimage ( + IN EFI_PEI_PE_COFF_LOADER_PROTOCOL *This, + IN PE_COFF_LOADER_IMAGE_CONTEXT *ImageContext + ) +{ + return EFI_SUCCESS; +} + +VOID +ModuleEntryPoint ( + VOID + ) +{ +} + +EFI_STATUS +EFIAPI +SecTemporaryRamSupport ( + IN CONST EFI_PEI_SERVICES **PeiServices, + IN EFI_PHYSICAL_ADDRESS TemporaryMemoryBase, + IN EFI_PHYSICAL_ADDRESS PermanentMemoryBase, + IN UINTN CopySize + ) +{ + // + // Migrate the whole temporary memory to permenent memory. + // + CopyMem ( + (VOID*)(UINTN)PermanentMemoryBase, + (VOID*)(UINTN)TemporaryMemoryBase, + CopySize + ); + + // + // SecSwitchStack function must be invoked after the memory migration + // immediatly, also we need fixup the stack change caused by new call into + // permenent memory. + // + SecSwitchStack ( + (UINT32) TemporaryMemoryBase, + (UINT32) PermanentMemoryBase + ); + + // + // We need *not* fix the return address because currently, + // The PeiCore is excuted in flash. + // + + // + // Simulate to invalid CAR, terminate CAR + // + //ZeroMem ((VOID*)(UINTN)TemporaryMemoryBase, CopySize); + + return EFI_SUCCESS; +} |