Updated to support passing PE/COFF and LZMA decompress up via HOBS. Currently turned...

[mirror_edk2.git] / BeagleBoardPkg / Sec / Sec.c

diff --git a/BeagleBoardPkg/Sec/Sec.c b/BeagleBoardPkg/Sec/Sec.c
index 321b35940cc9a19fa80e8d6eedcbc3a56a6ced80..448a713f4d41c475564e0a5fb053ccc1ba12d9fb 100755 (executable)
--- a/BeagleBoardPkg/Sec/Sec.c
+++ b/BeagleBoardPkg/Sec/Sec.c
@@ -21,11 +21,25 @@
 #include <Library/IoLib.h>\r
 #include <Library/OmapLib.h>\r
 #include <Library/ArmLib.h>\r
+#include <Library/PeCoffGetEntryPointLib.h>\r
 \r
 #include <Ppi/GuidedSectionExtraction.h>\r
-\r
+#include <Guid/LzmaDecompress.h>\r
 #include <Omap3530/Omap3530.h>\r
 \r
+#include "LzmaDecompress.h"\r
+\r
+VOID\r
+EFIAPI \r
+_ModuleEntryPoint(\r
+  VOID\r
+  );\r
+\r
+CHAR8 *\r
+DeCygwinPathIfNeeded (\r
+  IN  CHAR8   *Name\r
+  );\r
+\r
 VOID\r
 PadConfiguration (\r
   VOID\r
@@ -113,6 +127,53 @@ LzmaDecompressLibConstructor (
   VOID\r
   );\r
 \r
+/**\r
+  If the build is done on cygwin the paths are cygpaths. \r
+  /cygdrive/c/tmp.txt vs c:\tmp.txt so we need to convert\r
+  them to work with RVD commands\r
+\r
+  This is just code to help print out RVD symbol load command.\r
+  If you build with cygwin paths aren't compatible with RVD.\r
+\r
+  @param  Name  Path to convert if needed\r
+\r
+**/\r
+CHAR8 *\r
+SecDeCygwinPathIfNeeded (\r
+  IN  CHAR8   *Name\r
+  )\r
+{\r
+  CHAR8   *Ptr;\r
+  UINTN   Index;\r
+  UINTN   Len;\r
+  \r
+  Ptr = AsciiStrStr (Name, "/cygdrive/");\r
+  if (Ptr == NULL) {\r
+    return Name;\r
+  }\r
+  \r
+  Len = AsciiStrLen (Ptr);\r
+  \r
+  // convert "/cygdrive" to spaces\r
+  for (Index = 0; Index < 9; Index++) {\r
+    Ptr[Index] = ' ';\r
+  }\r
+\r
+  // convert /c to c:\r
+  Ptr[9]  = Ptr[10];\r
+  Ptr[10] = ':';\r
+  \r
+  // switch path seperators\r
+  for (Index = 11; Index < Len; Index++) {\r
+    if (Ptr[Index] == '/') {\r
+      Ptr[Index] = '\\' ;\r
+    }\r
+  }\r
+\r
+  return Name;\r
+}\r
+\r
+\r
 VOID\r
 CEntryPoint (\r
   IN  VOID  *MemoryBase,\r
@@ -147,7 +208,52 @@ CEntryPoint (
 \r
   // Start talking\r
   UartInit();\r
-  DEBUG((EFI_D_ERROR, "UART Test Line\n"));\r
+  DEBUG((EFI_D_ERROR, "UART Enabled\n"));\r
+\r
+  DEBUG_CODE_BEGIN ();\r
+    //\r
+    // On a debug build print out information about the SEC. This is really info about\r
+    // the PE/COFF file we are currently running from. Useful for loading symbols in a\r
+    // debugger. Remember our image is really part of the FV.\r
+    //\r
+    RETURN_STATUS       Status;\r
+    EFI_PEI_FV_HANDLE   VolumeHandle;\r
+    EFI_PEI_FILE_HANDLE FileHandle;\r
+    VOID                *PeCoffImage;\r
+    UINT32              Offset;\r
+    CHAR8               *FilePath;\r
+
+    FfsAnyFvFindFirstFile (EFI_FV_FILETYPE_SECURITY_CORE, &VolumeHandle, &FileHandle);
+    Status = FfsFindSectionData (EFI_SECTION_TE, FileHandle, &PeCoffImage);
+    if (EFI_ERROR (Status)) {
+      // Usually is a TE (PI striped down PE/COFF), but could be a full PE/COFF
+      Status = FfsFindSectionData (EFI_SECTION_PE32, FileHandle, &PeCoffImage);
+    }
+    if (!EFI_ERROR (Status)) {
+      Offset = PeCoffGetSizeOfHeaders (PeCoffImage);\r
+      FilePath = PeCoffLoaderGetPdbPointer (PeCoffImage);
+      if (FilePath != NULL) {
+      
+        // 
+        // In general you should never have to use #ifdef __CC_ARM in the code. It
+        // is hidden in the away in the MdePkg. But here we would like to print differnt things
+        // for different toolchains. 
+        //
+#ifdef __CC_ARM
+        // Print out the command for the RVD debugger to load symbols for this image
+        DEBUG ((EFI_D_ERROR, "load /a /ni /np %a &0x%08x\n", SecDeCygwinPathIfNeeded (FilePath), (CHAR8 *)PeCoffImage + Offset));
+#elif __GNUC__\r
+        // This may not work correctly if you generate PE/COFF directlyas then the Offset would not be required
+        DEBUG ((EFI_D_ERROR, "add-symbol-file %a 0x%08x\n", FilePath, PeCoffImage + Offset));
+#else\r
+        DEBUG ((EFI_D_ERROR, "SEC starts at 0x%08x with an entry point at 0x%08x %a\n", PeCoffImage, _ModuleEntryPoint, FilePath));
+#endif\r
+      }\r
+    }
+
+   DEBUG_CODE_END ();\r
+\r
+\r
 \r
   // Start up a free running time so that the timer lib will work\r
   TimerInit();\r
@@ -156,6 +262,18 @@ CEntryPoint (
   ExtractGuidedSectionLibConstructor();\r
   LzmaDecompressLibConstructor();\r
 \r
+  // Build HOBs to pass up our version of stuff the DXE Core needs to save space\r
+#if 0\r
+  BuildPeCoffLoaderHob ();\r
+  BuildExtractSectionHob (\r
+    &gLzmaCustomDecompressGuid,\r
+    LzmaGuidedSectionGetInfo,\r
+    LzmaGuidedSectionExtraction\r
+    );\r
+#endif\r
+\r
+  DecompressFirstFv ();\r
+\r
   // Load the DXE Core and transfer control to it\r
   LoadDxeCoreFromFv(NULL, 0);\r
   \r