1 files changed, 149 insertions, 0 deletions
diff --git a/ShellPkg/Library/UefiShellDebug1CommandsLib/Dmem.c b/ShellPkg/Library/UefiShellDebug1CommandsLib/Dmem.c
new file mode 100644
index 0000000000..b8ab9c69e6
--- /dev/null
+++ b/ShellPkg/Library/UefiShellDebug1CommandsLib/Dmem.c
@@ -0,0 +1,149 @@
+/** @file
+  Main file for Dmem shell Debug1 function.
+
+  Copyright (c) 2010, Intel Corporation. All rights reserved.<BR>
+  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.
+
+**/
+
+#include "UefiShellDebug1CommandsLib.h"
+#include <Protocol/PciRootBridgeIo.h>
+
+CHAR16
+MakePrintable(
+  IN CONST CHAR16 Char
+  )
+{
+  if ((Char < 0x20 && Char > 0)||(Char > 126)) {
+    return (L'?');
+  }
+  return (Char);
+}
+
+SHELL_STATUS
+EFIAPI
+DisplayMmioMemory(
+  IN CONST VOID   *Address,
+  IN CONST UINTN  Size
+  )
+{
+  EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRbIo;
+  EFI_STATUS                      Status;
+  VOID                            *Buffer;
+  SHELL_STATUS                    ShellStatus;
+
+  ShellStatus = SHELL_SUCCESS;
+
+  Status = gBS->LocateProtocol(&gEfiPciRootBridgeIoProtocolGuid, NULL, (VOID**)&PciRbIo);
+  if (EFI_ERROR(Status)) {
+    ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PCIRBIO_NF), gShellDebug1HiiHandle);
+    return (SHELL_NOT_FOUND);
+  }
+  Buffer = AllocateZeroPool(Size);
+  ASSERT(Buffer != NULL);
+
+  Status = PciRbIo->Mem.Read(PciRbIo, EfiPciWidthUint8, (UINT64)Address, Size, Buffer);
+  if (EFI_ERROR(Status)) {
+    ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PCIRBIO_ER), gShellDebug1HiiHandle, Status);
+    ShellStatus = SHELL_NOT_FOUND;
+  } else {
+    ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMEM_MMIO_HEADER_ROW), gShellDebug1HiiHandle, (UINT64)Address, Size);
+    DumpHex(2,0,Size,Buffer);
+  }
+
+  FreePool(Buffer);
+  return (ShellStatus);
+}
+
+STATIC CONST SHELL_PARAM_ITEM ParamList[] = {
+  {L"-mmio", TypeFlag},
+  {NULL, TypeMax}
+  };
+
+SHELL_STATUS
+EFIAPI
+ShellCommandRunDmem (
+  IN EFI_HANDLE        ImageHandle,
+  IN EFI_SYSTEM_TABLE  *SystemTable
+  )
+{
+  EFI_STATUS          Status;
+  LIST_ENTRY          *Package;
+  CHAR16              *ProblemParam;
+  SHELL_STATUS        ShellStatus;
+  VOID                *Address;
+  UINTN               Size;
+  CONST CHAR16        *Temp1;
+
+  ShellStatus         = SHELL_SUCCESS;
+  Status              = EFI_SUCCESS;
+  Address             = NULL;
+  Size                = 0;
+
+  //
+  // initialize the shell lib (we must be in non-auto-init...)
+  //
+  Status = ShellInitialize();
+  ASSERT_EFI_ERROR(Status);
+
+  Status = CommandInit();
+  ASSERT_EFI_ERROR(Status);
+
+  //
+  // parse the command line
+  //
+  Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);
+  if (EFI_ERROR(Status)) {
+    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {
+      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, ProblemParam);
+      FreePool(ProblemParam);
+      ShellStatus = SHELL_INVALID_PARAMETER;
+    } else {
+      ASSERT(FALSE);
+    }
+  } else {
+    Temp1 = ShellCommandLineGetRawValue(Package, 1);
+    if (Temp1 == NULL) {
+      Address = gST;
+      Size = 512;
+    } else {
+      if (!ShellIsHexOrDecimalNumber(Temp1, TRUE, FALSE)) {
+        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, Temp1);
+        ShellStatus = SHELL_INVALID_PARAMETER;
+      } else {
+        Address = (VOID*)StrHexToUintn(Temp1);
+      }
+      Temp1 = ShellCommandLineGetRawValue(Package, 2);
+      if (Temp1 == NULL) {
+        Size = 512;
+      } else {
+        if (!ShellIsHexOrDecimalNumber(Temp1, FALSE, FALSE)) {
+          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, Temp1);
+          ShellStatus = SHELL_INVALID_PARAMETER;
+        } else {
+          Size = ShellStrToUintn(Temp1);
+        }
+      }
+    }
+
+    if (ShellStatus == SHELL_SUCCESS) {
+      if (!ShellCommandLineGetFlag(Package, L"-mmio")) {
+        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMEM_HEADER_ROW), gShellDebug1HiiHandle, (UINT64)Address, Size);
+        DumpHex(2,0,Size,Address);
+      } else {
+        ShellStatus = DisplayMmioMemory(Address, Size);
+      }
+    }
+
+
+    ShellCommandLineFreeVarList (Package);
+  }
+
+  return (ShellStatus);
+}