DuetPkg/EfiLdr/EfiLoader.c

   1 /*++
   2
   3 Copyright (c) 2006, Intel Corporation
   4 All rights reserved. This program and the accompanying materials
   5 are licensed and made available under the terms and conditions of the BSD License
   6 which accompanies this distribution.  The full text of the license may be found at
   7 http://opensource.org/licenses/bsd-license.php
   8
   9 THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
  10 WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
  11
  12 Module Name:
  13   EfiLoader.c
  14
  15 Abstract:
  16
  17 Revision History:
  18
  19 --*/
  20
  21 #include "EfiLdr.h"
  22 #include "Support.h"
  23 #include "Debug.h"
  24 #include "PeLoader.h"
  25 #include "LzmaDecompress.h"
  26
  27 VOID
  28 SystemHang(
  29   VOID
  30   )
  31 {
  32   CHAR8 PrintBuffer[256];
  33   AsciiSPrint (PrintBuffer, 256, "## FATEL ERROR ##: Fail to load DUET images! System hang!\n");
  34   CpuDeadLoop();
  35 }
  36
  37 VOID
  38 EfiLoader (
  39   UINT32    BiosMemoryMapBaseAddress
  40   )
  41 {
  42   BIOS_MEMORY_MAP       *BiosMemoryMap;
  43   EFILDR_IMAGE          *EFILDRImage;
  44   EFI_MEMORY_DESCRIPTOR EfiMemoryDescriptor[EFI_MAX_MEMORY_DESCRIPTORS];
  45   EFI_STATUS            Status;
  46   UINTN                 NumberOfMemoryMapEntries;
  47   UINT32                DestinationSize;
  48   UINT32                ScratchSize;
  49   UINTN                 BfvPageNumber;
  50   UINTN                 BfvBase;
  51   EFI_MAIN_ENTRYPOINT   EfiMainEntrypoint;
  52   CHAR8                 PrintBuffer[256];
  53   STATIC EFILDRHANDOFF  Handoff;
  54
  55   ClearScreen();
  56
  57   PrintHeader ('A');
  58
  59   AsciiSPrint (PrintBuffer, 256, "Enter DUET Loader ...\n", BiosMemoryMapBaseAddress);
  60   PrintString (PrintBuffer);
  61
  62   AsciiSPrint (PrintBuffer, 256, "BiosMemoryMapBaseAddress = 0x%x\n", BiosMemoryMapBaseAddress);
  63   PrintString (PrintBuffer);
  64
  65   //
  66   // Add all EfiConventionalMemory descriptors to the table.  If there are partial pages, then
  67   // round the start address up to the next page, and round the length down to a page boundry.
  68   //
  69   BiosMemoryMap = (BIOS_MEMORY_MAP *)(UINTN)(BiosMemoryMapBaseAddress);
  70   NumberOfMemoryMapEntries = 0;
  71   GenMemoryMap (&NumberOfMemoryMapEntries, EfiMemoryDescriptor, BiosMemoryMap);
  72
  73   AsciiSPrint (PrintBuffer, 256, "Get %d entries of memory map!\n", NumberOfMemoryMapEntries);
  74   PrintString (PrintBuffer);
  75
  76   //
  77   // Get information on where the image is in memory
  78   //
  79
  80   //EFILDRHeader = (EFILDR_HEADER *)(UINTN)(EFILDR_HEADER_ADDRESS);
  81   EFILDRImage  = (EFILDR_IMAGE *)(UINTN)(EFILDR_HEADER_ADDRESS + sizeof(EFILDR_HEADER));
  82
  83
  84   //
  85   // Point to the 4th image (Bfv)
  86   //
  87
  88   EFILDRImage += 3;
  89
  90   //
  91   // Decompress the image
  92   //
  93
  94   AsciiSPrint (PrintBuffer, 256, "Decompress BFV image, Image Address=0x%x Offset=0x%x\n",
  95                (UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
  96                EFILDRImage->Offset);
  97   PrintString (PrintBuffer);
  98   Status = LzmaUefiDecompressGetInfo (
  99              (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 100              EFILDRImage->Length,
 101              &DestinationSize,
 102              &ScratchSize
 103              );
 104
 105   if (EFI_ERROR (Status)) {
 106     AsciiSPrint (PrintBuffer, 256, "Fail to get decompress information for BFV!\n");
 107     PrintString (PrintBuffer);
 108     SystemHang();
 109   }
 110
 111   AsciiSPrint (PrintBuffer, 256, "BFV decompress: DestinationSize=0x%X, ScratchSize=0x%X!\n",
 112                DestinationSize, ScratchSize);
 113   PrintString (PrintBuffer);
 114   Status =  LzmaUefiDecompress (
 115     (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 116     (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS,
 117     (VOID *)(UINTN)((EFI_DECOMPRESSED_BUFFER_ADDRESS + DestinationSize + 0x1000) & 0xfffff000)
 118     );
 119
 120
 121   if (EFI_ERROR (Status)) {
 122     AsciiSPrint (PrintBuffer, 256, "Fail to decompress BFV!\n");
 123     PrintString (PrintBuffer);
 124     SystemHang();
 125   }
 126
 127   BfvPageNumber = EFI_SIZE_TO_PAGES (DestinationSize);
 128   BfvBase = (UINTN) FindSpace (BfvPageNumber, &NumberOfMemoryMapEntries, EfiMemoryDescriptor, EfiRuntimeServicesData, EFI_MEMORY_WB);
 129   if (BfvBase == 0) {
 130     SystemHang();
 131   }
 132   ZeroMem ((VOID *)(UINTN)BfvBase, BfvPageNumber * EFI_PAGE_SIZE);
 133   CopyMem ((VOID *)(UINTN)BfvBase, (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS, DestinationSize);
 134
 135   PrintHeader ('B');
 136
 137   //
 138   // Point to the 2nd image (DxeIpl)
 139   //
 140
 141   EFILDRImage -= 2;
 142
 143   //
 144   // Decompress the image
 145   //
 146   AsciiSPrint (PrintBuffer, 256, "Decompress DxeIpl image, Image Address=0x%x Offset=0x%x\n",
 147                (UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 148                EFILDRImage->Offset);
 149   PrintString (PrintBuffer);
 150
 151   Status = LzmaUefiDecompressGetInfo (
 152              (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 153              EFILDRImage->Length,
 154              &DestinationSize,
 155              &ScratchSize
 156              );
 157   if (EFI_ERROR (Status)) {
 158     AsciiSPrint (PrintBuffer, 256, "Fail to get decompress information for DxeIpl!\n");
 159     PrintString (PrintBuffer);
 160     SystemHang();
 161   }
 162
 163   Status = LzmaUefiDecompress (
 164              (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 165              (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS,
 166              (VOID *)(UINTN)((EFI_DECOMPRESSED_BUFFER_ADDRESS + DestinationSize + 0x1000) & 0xfffff000)
 167              );
 168   if (EFI_ERROR (Status)) {
 169     AsciiSPrint (PrintBuffer, 256, "Fail to decompress DxeIpl image\n");
 170     PrintString (PrintBuffer);
 171     SystemHang();
 172   }
 173
 174   AsciiSPrint (PrintBuffer, 256, "Start load DxeIpl PE image\n");
 175   PrintString (PrintBuffer);
 176
 177   //
 178   // Load and relocate the EFI PE/COFF Firmware Image
 179   //
 180   Status = EfiLdrPeCoffLoadPeImage (
 181              (VOID *)(UINTN)(EFI_DECOMPRESSED_BUFFER_ADDRESS),
 182              &DxeIplImage,
 183              &NumberOfMemoryMapEntries,
 184              EfiMemoryDescriptor
 185              );
 186   if (EFI_ERROR (Status)) {
 187     AsciiSPrint (PrintBuffer, 256, "Fail to load and relocate DxeIpl PE image!\n");
 188     PrintString (PrintBuffer);
 189     SystemHang();
 190   }
 191   AsciiSPrint (PrintBuffer, 256, "DxeIpl PE image is successed loaded at 0x%x, entry=0x%x\n",
 192                (UINTN)DxeIplImage.ImageBasePage, (UINTN)DxeIplImage.EntryPoint);
 193   PrintString (PrintBuffer);
 194
 195 //  PrintString("Image.NoPages = ");
 196 //  PrintValue(Image.NoPages);
 197 //  PrintString("\n");
 198
 199 PrintHeader ('C');
 200
 201   //
 202   // Point to the 3rd image (DxeMain)
 203   //
 204
 205   EFILDRImage++;
 206
 207   //
 208   // Decompress the image
 209   //
 210   AsciiSPrint (PrintBuffer, 256, "Decompress DXEMain FV image, Image Address=0x%x! Offset=0x%x\n",
 211                (UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 212                EFILDRImage->Offset);
 213   PrintString (PrintBuffer);
 214
 215   Status = LzmaUefiDecompressGetInfo (
 216              (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 217              EFILDRImage->Length,
 218              &DestinationSize,
 219              &ScratchSize
 220              );
 221   if (EFI_ERROR (Status)) {
 222     AsciiSPrint (PrintBuffer, 256, "Fail to get decompress information for DXEMain FV image!\n");
 223     PrintString (PrintBuffer);
 224     SystemHang();
 225   }
 226
 227   Status = LzmaUefiDecompress (
 228              (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 229              (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS,
 230              (VOID *)(UINTN)((EFI_DECOMPRESSED_BUFFER_ADDRESS + DestinationSize + 0x1000) & 0xfffff000)
 231              );
 232   if (EFI_ERROR (Status)) {
 233     SystemHang();
 234   }
 235
 236   //
 237   // Load and relocate the EFI PE/COFF Firmware Image
 238   //
 239   Status = EfiLdrPeCoffLoadPeImage (
 240              (VOID *)(UINTN)(EFI_DECOMPRESSED_BUFFER_ADDRESS),
 241              &DxeCoreImage,
 242              &NumberOfMemoryMapEntries,
 243              EfiMemoryDescriptor
 244              );
 245   if (EFI_ERROR (Status)) {
 246     SystemHang();
 247   }
 248   AsciiSPrint (PrintBuffer, 256, "DxeCore PE image is successed loaded at 0x%x, entry=0x%x\n",
 249                (UINTN)DxeCoreImage.ImageBasePage, (UINTN)DxeCoreImage.EntryPoint);
 250   PrintString (PrintBuffer);
 251
 252 PrintHeader ('E');
 253
 254   //
 255   // Display the table of memory descriptors.
 256   //
 257
 258 //  PrintString("\nEFI Memory Descriptors\n");
 259 /*
 260   {
 261   UINTN Index;
 262   for (Index = 0; Index < NumberOfMemoryMapEntries; Index++) {
 263     PrintString("Type = ");
 264     PrintValue(EfiMemoryDescriptor[Index].Type);
 265     PrintString("  Start = ");
 266     PrintValue((UINT32)(EfiMemoryDescriptor[Index].PhysicalStart));
 267     PrintString("  NumberOfPages = ");
 268     PrintValue((UINT32)(EfiMemoryDescriptor[Index].NumberOfPages));
 269     PrintString("\n");
 270   }
 271   }
 272 */
 273
 274   //
 275   // Jump to EFI Firmware
 276   //
 277
 278   if (DxeIplImage.EntryPoint != NULL) {
 279
 280     Handoff.MemDescCount      = NumberOfMemoryMapEntries;
 281     Handoff.MemDesc           = EfiMemoryDescriptor;
 282     Handoff.BfvBase           = (VOID *)(UINTN)BfvBase;
 283     Handoff.BfvSize           = BfvPageNumber * EFI_PAGE_SIZE;
 284     Handoff.DxeIplImageBase   = (VOID *)(UINTN)DxeIplImage.ImageBasePage;
 285     Handoff.DxeIplImageSize   = DxeIplImage.NoPages * EFI_PAGE_SIZE;
 286     Handoff.DxeCoreImageBase  = (VOID *)(UINTN)DxeCoreImage.ImageBasePage;
 287     Handoff.DxeCoreImageSize  = DxeCoreImage.NoPages * EFI_PAGE_SIZE;
 288     Handoff.DxeCoreEntryPoint = (VOID *)(UINTN)DxeCoreImage.EntryPoint;
 289
 290     AsciiSPrint (PrintBuffer, 256, "Transfer to DxeIpl ...Address=0x%x\n", (UINTN)DxeIplImage.EntryPoint);
 291     PrintString (PrintBuffer);
 292
 293     EfiMainEntrypoint = (EFI_MAIN_ENTRYPOINT)(UINTN)DxeIplImage.EntryPoint;
 294     EfiMainEntrypoint (&Handoff);
 295   }
 296
 297 PrintHeader ('F');
 298
 299   //
 300   // There was a problem loading the image, so HALT the system.
 301   //
 302
 303   SystemHang();
 304 }
 305
 306 EFI_STATUS
 307 EFIAPI
 308 _ModuleEntryPoint (
 309   UINT32    BiosMemoryMapBaseAddress
 310   )
 311 {
 312   EfiLoader(BiosMemoryMapBaseAddress);
 313   return EFI_SUCCESS;
 314 }
 315
 316