InOsEmuPkg: Add support for mounting CD-ROM images.

Devices get the block size via ioctl, but for a file the block size needs to be set. Default to 512, but optionally allow other values, like 2048/0x800 for ISO CD-ROM images. Also updated the comments in .DSC and .DEC files.

Signed-off-by: andrewfish



git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11843 6f19259b-4bc3-4df7-8a09-765794883524

2 files changed, 23 insertions, 13 deletions

diff --git a/InOsEmuPkg/Unix/Sec/BlockIo.c b/InOsEmuPkg/Unix/Sec/BlockIo.c
index 8b760cc41a..57bfdfa78a 100644
--- a/InOsEmuPkg/Unix/Sec/BlockIo.c
+++ b/InOsEmuPkg/Unix/Sec/BlockIo.c
@@ -29,6 +29,7 @@ typedef struct {
   BOOLEAN                     WriteProtected;

 

   UINT64                      NumberOfBlocks;

+  UINT32                      BlockSize;

 

   EMU_BLOCK_IO_PROTOCOL       EmuBlockIo;

   EFI_BLOCK_IO_MEDIA          *Media;

@@ -157,14 +158,14 @@ EmuBlockIoOpenDevice (
     }

 #endif

     

-  } else if (fstatfs (Private->fd, &buf) == 0) {

-    //

-    // Works for files, not devices

-    //

-    Private->Media->BlockSize = buf.f_bsize;

-    Private->Media->OptimalTransferLengthGranularity = buf.f_iosize/buf.f_bsize;

+  } else {

+    Private->Media->BlockSize = Private->BlockSize;

     Private->NumberOfBlocks = DivU64x32 (FileSize, Private->Media->BlockSize);

     Private->Media->LastBlock = Private->NumberOfBlocks - 1;

+    

+    if (fstatfs (Private->fd, &buf) == 0) {

+      Private->Media->OptimalTransferLengthGranularity = buf.f_iosize/buf.f_bsize;

+    }

   } 

 

   DEBUG ((EFI_D_INIT, "%HEmuOpenBlock: opened %a%N\n", Private->Filename));

@@ -627,7 +628,8 @@ EmuBlockIoThunkOpen (
   Private->Signature = EMU_BLOCK_IO_PRIVATE_SIGNATURE;

   Private->Thunk     = This;

   CopyMem (&Private->EmuBlockIo, &gEmuBlockIoProtocol, sizeof (gEmuBlockIoProtocol));

-  Private->fd = -1;

+  Private->fd        = -1;

+  Private->BlockSize = 512;

  

   Private->Filename = StdDupUnicodeToAscii (This->ConfigString);

   if (Private->Filename == NULL) {

@@ -646,6 +648,10 @@ EmuBlockIoThunkOpen (
       if (*Str == 'O' || *Str == 'W') {

         Private->WriteProtected  = (BOOLEAN) (*Str == 'O');

       }

+      if (*Str == ':') {

+        Private->BlockSize = strtol (++Str, NULL, 0);

+        break;

+      }

     }

   }

   

diff --git a/InOsEmuPkg/Unix/UnixX64.dsc b/InOsEmuPkg/Unix/UnixX64.dsc
index 10bb0cf2f6..a601c0cbce 100644
--- a/InOsEmuPkg/Unix/UnixX64.dsc
+++ b/InOsEmuPkg/Unix/UnixX64.dsc
@@ -1,6 +1,6 @@
 ## @file

 #

-# EFI/Framework Emulation Platform with UEFI HII interface supported.

+# UEFI/PI Emulation Platform with UEFI HII interface supported.

 #

 # The Emulation Platform can be used to debug individual modules, prior to creating

 #       a real platform. This also provides an example for how an DSC is created.

@@ -216,6 +216,7 @@
   

   gInOsEmuPkgTokenSpaceGuid.PcdEmuApCount|L"1"

 

+  # For a CD-ROM/DVD use L"diag.dmg:RO:2048"

   gInOsEmuPkgTokenSpaceGuid.PcdEmuVirtualDisk|L"disk.dmg:FW"

   gInOsEmuPkgTokenSpaceGuid.PcdEmuGop|L"GOP Window"

   gInOsEmuPkgTokenSpaceGuid.PcdEmuFileSystem|L".!../../../../EdkShellBinPkg/Bin"

@@ -266,7 +267,7 @@
 [Components]

 !if $(SEC_ONLY)

   ##

-  #  SEC Phase modules

+  #  Emulator, OS POSIX application

   ##

   InOsEmuPkg/Unix/Sec/SecMain.inf

 !else

@@ -349,10 +350,10 @@
   MdeModulePkg/Universal/Console/TerminalDxe/TerminalDxe.inf

   IntelFrameworkModulePkg/Universal/BdsDxe/BdsDxe.inf

   MdeModulePkg/Universal/DevicePathDxe/DevicePathDxe.inf 

- # {

- #   <LibraryClasses>  

- #     NULL|InOsEmuPkg/Library/DevicePathTextLib/DevicePathTextLib.inf

- # }

+  #{

+  #  <LibraryClasses>  

+  #    NULL|InOsEmuPkg/Library/DevicePathTextLib/DevicePathTextLib.inf

+  #}

   

   MdeModulePkg/Universal/Disk/DiskIoDxe/DiskIoDxe.inf

   MdeModulePkg/Universal/Disk/PartitionDxe/PartitionDxe.inf

@@ -413,6 +414,9 @@
       ShellLib|ShellPkg/Library/UefiShellLib/UefiShellLib.inf

       SortLib|ShellPkg/Library/UefiSortLib/UefiSortLib.inf

       PrintLib|MdePkg/Library/BasePrintLib/BasePrintLib.inf

+#      SafeBlockIoLib|ShellPkg/Library/SafeBlockIoLib/SafeBlockIoLib.inf

+#      SafeOpenProtocolLib|ShellPkg/Library/SafeOpenProtocolLib/SafeOpenProtocolLib.inf

+

     <PcdsFixedAtBuild>

       gEfiMdePkgTokenSpaceGuid.PcdDebugPropertyMask|0xFF

       gEfiShellPkgTokenSpaceGuid.PcdShellLibAutoInitialize|FALSE