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 "TianoDecompress.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_HEADER         *EFILDRHeader;
  44   EFILDR_IMAGE          *EFILDRImage;
  45   EFI_MEMORY_DESCRIPTOR EfiMemoryDescriptor[EFI_MAX_MEMORY_DESCRIPTORS];
  46   EFI_STATUS            Status;
  47   UINTN                 NumberOfMemoryMapEntries;
  48   UINT32                DestinationSize;
  49   UINT32                ScratchSize;
  50   UINTN                 BfvPageNumber;
  51   UINTN                 BfvBase;
  52   EFI_MAIN_ENTRYPOINT   EfiMainEntrypoint;
  53   CHAR8                 PrintBuffer[256];
  54   STATIC EFILDRHANDOFF  Handoff;
  55
  56   ClearScreen();
  57
  58   PrintHeader ('A');
  59
  60   AsciiSPrint (PrintBuffer, 256, "Enter DUET Loader ...\n", BiosMemoryMapBaseAddress);
  61   PrintString (PrintBuffer);
  62
  63   AsciiSPrint (PrintBuffer, 256, "BiosMemoryMapBaseAddress = 0x%x\n", BiosMemoryMapBaseAddress);
  64   PrintString (PrintBuffer);
  65
  66   //
  67   // Add all EfiConventionalMemory descriptors to the table.  If there are partial pages, then
  68   // round the start address up to the next page, and round the length down to a page boundry.
  69   //
  70   BiosMemoryMap = (BIOS_MEMORY_MAP *)(UINTN)(BiosMemoryMapBaseAddress);
  71   NumberOfMemoryMapEntries = 0;
  72   GenMemoryMap (&NumberOfMemoryMapEntries, EfiMemoryDescriptor, BiosMemoryMap);
  73
  74   AsciiSPrint (PrintBuffer, 256, "Get %d entries of memory map!\n", NumberOfMemoryMapEntries);
  75   PrintString (PrintBuffer);
  76
  77   //
  78   // Get information on where the image is in memory
  79   //
  80
  81   EFILDRHeader = (EFILDR_HEADER *)(UINTN)(EFILDR_HEADER_ADDRESS);
  82   EFILDRImage  = (EFILDR_IMAGE *)(UINTN)(EFILDR_HEADER_ADDRESS + sizeof(EFILDR_HEADER));
  83
  84
  85   //
  86   // Point to the 4th image (Bfv)
  87   //
  88
  89   EFILDRImage += 3;
  90
  91   //
  92   // Decompress the image
  93   //
  94
  95   AsciiSPrint (PrintBuffer, 256, "Decompress BFV image, Image Address=0x%x Offset=0x%x\n",
  96                (UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
  97                EFILDRImage->Offset);
  98   PrintString (PrintBuffer);
  99
 100   Status = TianoGetInfo (
 101              (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 102              EFILDRImage->Length,
 103              &DestinationSize,
 104              &ScratchSize
 105              );
 106
 107   if (EFI_ERROR (Status)) {
 108     AsciiSPrint (PrintBuffer, 256, "Fail to get decompress information for BFV!\n");
 109     PrintString (PrintBuffer);
 110     SystemHang();
 111   }
 112
 113   Status = TianoDecompress (
 114              (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 115              EFILDRImage->Length,
 116              (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS,
 117              DestinationSize,
 118              (VOID *)(UINTN)((EFI_DECOMPRESSED_BUFFER_ADDRESS + DestinationSize + 0x1000) & 0xfffff000),
 119              ScratchSize
 120              );
 121
 122   if (EFI_ERROR (Status)) {
 123     AsciiSPrint (PrintBuffer, 256, "Fail to decompress BFV!\n");
 124     PrintString (PrintBuffer);
 125     SystemHang();
 126   }
 127
 128   BfvPageNumber = EFI_SIZE_TO_PAGES (DestinationSize);
 129   BfvBase = (UINTN) FindSpace (BfvPageNumber, &NumberOfMemoryMapEntries, EfiMemoryDescriptor, EfiRuntimeServicesData, EFI_MEMORY_WB);
 130   if (BfvBase == 0) {
 131     SystemHang();
 132   }
 133   ZeroMem ((VOID *)(UINTN)BfvBase, BfvPageNumber * EFI_PAGE_SIZE);
 134   CopyMem ((VOID *)(UINTN)BfvBase, (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS, DestinationSize);
 135
 136   PrintHeader ('B');
 137
 138   //
 139   // Point to the 2nd image (DxeIpl)
 140   //
 141
 142   EFILDRImage -= 2;
 143
 144   //
 145   // Decompress the image
 146   //
 147   AsciiSPrint (PrintBuffer, 256, "Decompress DxeIpl image, Image Address=0x%x Offset=0x%x\n",
 148                (UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 149                EFILDRImage->Offset);
 150   PrintString (PrintBuffer);
 151
 152   Status = TianoGetInfo (
 153              (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 154              EFILDRImage->Length,
 155              &DestinationSize,
 156              &ScratchSize
 157              );
 158   if (EFI_ERROR (Status)) {
 159     AsciiSPrint (PrintBuffer, 256, "Fail to get decompress information for DxeIpl!\n");
 160     PrintString (PrintBuffer);
 161     SystemHang();
 162   }
 163
 164   Status = TianoDecompress (
 165              (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 166              EFILDRImage->Length,
 167              (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS,
 168              DestinationSize,
 169              (VOID *)(UINTN)((EFI_DECOMPRESSED_BUFFER_ADDRESS + DestinationSize + 0x1000) & 0xfffff000),
 170              ScratchSize
 171              );
 172   if (EFI_ERROR (Status)) {
 173     AsciiSPrint (PrintBuffer, 256, "Fail to decompress DxeIpl image\n");
 174     PrintString (PrintBuffer);
 175     SystemHang();
 176   }
 177
 178   AsciiSPrint (PrintBuffer, 256, "Start load DxeIpl PE image\n");
 179   PrintString (PrintBuffer);
 180
 181   //
 182   // Load and relocate the EFI PE/COFF Firmware Image
 183   //
 184   Status = EfiLdrPeCoffLoadPeImage (
 185              (VOID *)(UINTN)(EFI_DECOMPRESSED_BUFFER_ADDRESS),
 186              &DxeIplImage,
 187              &NumberOfMemoryMapEntries,
 188              EfiMemoryDescriptor
 189              );
 190   if (EFI_ERROR (Status)) {
 191     AsciiSPrint (PrintBuffer, 256, "Fail to load and relocate DxeIpl PE image!\n");
 192     PrintString (PrintBuffer);
 193     SystemHang();
 194   }
 195   AsciiSPrint (PrintBuffer, 256, "DxeIpl PE image is successed loaded at 0x%x, entry=0x%x\n",
 196                (UINTN)DxeIplImage.ImageBasePage, (UINTN)DxeIplImage.EntryPoint);
 197   PrintString (PrintBuffer);
 198
 199 //  PrintString("Image.NoPages = ");
 200 //  PrintValue(Image.NoPages);
 201 //  PrintString("\n");
 202
 203 PrintHeader ('C');
 204
 205   //
 206   // Point to the 3rd image (DxeMain)
 207   //
 208
 209   EFILDRImage++;
 210
 211   //
 212   // Decompress the image
 213   //
 214   AsciiSPrint (PrintBuffer, 256, "Decompress DXEMain FV image, Image Address=0x%x! Offset=0x%x\n",
 215                (UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 216                EFILDRImage->Offset);
 217   PrintString (PrintBuffer);
 218
 219   Status = TianoGetInfo (
 220              (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 221              EFILDRImage->Length,
 222              &DestinationSize,
 223              &ScratchSize
 224              );
 225   if (EFI_ERROR (Status)) {
 226     AsciiSPrint (PrintBuffer, 256, "Fail to get decompress information for DXEMain FV image!\n");
 227     PrintString (PrintBuffer);
 228     SystemHang();
 229   }
 230
 231   Status = TianoDecompress (
 232              (VOID *)(UINTN)(EFILDR_HEADER_ADDRESS + EFILDRImage->Offset),
 233              EFILDRImage->Length,
 234              (VOID *)(UINTN)EFI_DECOMPRESSED_BUFFER_ADDRESS,
 235              DestinationSize,
 236              (VOID *)(UINTN)((EFI_DECOMPRESSED_BUFFER_ADDRESS + DestinationSize + 0x1000) & 0xfffff000),
 237              ScratchSize
 238              );
 239   if (EFI_ERROR (Status)) {
 240     SystemHang();
 241   }
 242
 243   //
 244   // Load and relocate the EFI PE/COFF Firmware Image
 245   //
 246   Status = EfiLdrPeCoffLoadPeImage (
 247              (VOID *)(UINTN)(EFI_DECOMPRESSED_BUFFER_ADDRESS),
 248              &DxeCoreImage,
 249              &NumberOfMemoryMapEntries,
 250              EfiMemoryDescriptor
 251              );
 252   if (EFI_ERROR (Status)) {
 253     SystemHang();
 254   }
 255   AsciiSPrint (PrintBuffer, 256, "DxeCore PE image is successed loaded at 0x%x, entry=0x%x\n",
 256                (UINTN)DxeCoreImage.ImageBasePage, (UINTN)DxeCoreImage.EntryPoint);
 257   PrintString (PrintBuffer);
 258
 259 PrintHeader ('E');
 260
 261   //
 262   // Display the table of memory descriptors.
 263   //
 264
 265 //  PrintString("\nEFI Memory Descriptors\n");
 266 /*
 267   {
 268   UINTN Index;
 269   for (Index = 0; Index < NumberOfMemoryMapEntries; Index++) {
 270     PrintString("Type = ");
 271     PrintValue(EfiMemoryDescriptor[Index].Type);
 272     PrintString("  Start = ");
 273     PrintValue((UINT32)(EfiMemoryDescriptor[Index].PhysicalStart));
 274     PrintString("  NumberOfPages = ");
 275     PrintValue((UINT32)(EfiMemoryDescriptor[Index].NumberOfPages));
 276     PrintString("\n");
 277   }
 278   }
 279 */
 280
 281   //
 282   // Jump to EFI Firmware
 283   //
 284
 285   if (DxeIplImage.EntryPoint != NULL) {
 286
 287     Handoff.MemDescCount      = NumberOfMemoryMapEntries;
 288     Handoff.MemDesc           = EfiMemoryDescriptor;
 289     Handoff.BfvBase           = (VOID *)(UINTN)BfvBase;
 290     Handoff.BfvSize           = BfvPageNumber * EFI_PAGE_SIZE;
 291     Handoff.DxeIplImageBase   = (VOID *)(UINTN)DxeIplImage.ImageBasePage;
 292     Handoff.DxeIplImageSize   = DxeIplImage.NoPages * EFI_PAGE_SIZE;
 293     Handoff.DxeCoreImageBase  = (VOID *)(UINTN)DxeCoreImage.ImageBasePage;
 294     Handoff.DxeCoreImageSize  = DxeCoreImage.NoPages * EFI_PAGE_SIZE;
 295     Handoff.DxeCoreEntryPoint = (VOID *)(UINTN)DxeCoreImage.EntryPoint;
 296
 297     AsciiSPrint (PrintBuffer, 256, "Transfer to DxeIpl ...Address=0x%x\n", (UINTN)DxeIplImage.EntryPoint);
 298     PrintString (PrintBuffer);
 299
 300     EfiMainEntrypoint = (EFI_MAIN_ENTRYPOINT)(UINTN)DxeIplImage.EntryPoint;
 301     EfiMainEntrypoint (&Handoff);
 302   }
 303
 304 PrintHeader ('F');
 305
 306   //
 307   // There was a problem loading the image, so HALT the system.
 308   //
 309
 310   SystemHang();
 311 }
 312
 313 EFI_STATUS
 314 EFIAPI
 315 _ModuleEntryPoint (
 316   UINT32    BiosMemoryMapBaseAddress
 317   )
 318 {
 319   EfiLoader(BiosMemoryMapBaseAddress);
 320   return EFI_SUCCESS;
 321 }
 322
 323