ShellPkg:Fix bug in FileBuffer.c

[mirror_edk2.git] / ShellPkg / Library / UefiShellDebug1CommandsLib / Dmem.c

/** @file\r
  Main file for Dmem shell Debug1 function.\r
\r
  Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR>\r
  (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR>\r
  (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR>\r
  SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
#include "UefiShellDebug1CommandsLib.h"\r
#include <Protocol/PciRootBridgeIo.h>\r
#include <Guid/Acpi.h>\r
#include <Guid/Mps.h>\r
#include <Guid/SmBios.h>\r
\r
/**\r
  Make a printable character.\r
\r
  If Char is printable then return it, otherwise return a question mark.\r
\r
  @param[in] Char     The character to make printable.\r
\r
  @return A printable character representing Char.\r
**/\r
CHAR16\r
MakePrintable(\r
  IN CONST CHAR16 Char\r
  )\r
{\r
  if ((Char < 0x20 && Char > 0)||(Char > 126)) {\r
    return (L'?');\r
  }\r
  return (Char);\r
}\r
\r
/**\r
  Display some Memory-Mapped-IO memory.\r
\r
  @param[in] Address    The starting address to display.\r
  @param[in] Size       The length of memory to display.\r
**/\r
SHELL_STATUS\r
DisplayMmioMemory(\r
  IN CONST VOID   *Address,\r
  IN CONST UINTN  Size\r
  )\r
{\r
  EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRbIo;\r
  EFI_STATUS                      Status;\r
  VOID                            *Buffer;\r
  SHELL_STATUS                    ShellStatus;\r
\r
  ShellStatus = SHELL_SUCCESS;\r
\r
  Status = gBS->LocateProtocol(&gEfiPciRootBridgeIoProtocolGuid, NULL, (VOID**)&PciRbIo);\r
  if (EFI_ERROR(Status)) {\r
    ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PCIRBIO_NF), gShellDebug1HiiHandle, L"dmem");\r
    return (SHELL_NOT_FOUND);\r
  }\r
  Buffer = AllocateZeroPool(Size);\r
  if (Buffer == NULL) {\r
    return SHELL_OUT_OF_RESOURCES;\r
  }\r
\r
  Status = PciRbIo->Mem.Read(PciRbIo, EfiPciWidthUint8, (UINT64)(UINTN)Address, Size, Buffer);\r
  if (EFI_ERROR(Status)) {\r
    ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PCIRBIO_ER), gShellDebug1HiiHandle, L"dmem");\r
    ShellStatus = SHELL_NOT_FOUND;\r
  } else {\r
    ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMEM_MMIO_HEADER_ROW), gShellDebug1HiiHandle, (UINT64)(UINTN)Address, Size);\r
    DumpHex(2, (UINTN)Address, Size, Buffer);\r
  }\r
\r
  FreePool(Buffer);\r
  return (ShellStatus);\r
}\r
\r
STATIC CONST SHELL_PARAM_ITEM ParamList[] = {\r
  {L"-mmio", TypeFlag},\r
  {NULL, TypeMax}\r
  };\r
\r
/**\r
  Function for 'dmem' command.\r
\r
  @param[in] ImageHandle  Handle to the Image (NULL if Internal).\r
  @param[in] SystemTable  Pointer to the System Table (NULL if Internal).\r
**/\r
SHELL_STATUS\r
EFIAPI\r
ShellCommandRunDmem (\r
  IN EFI_HANDLE        ImageHandle,\r
  IN EFI_SYSTEM_TABLE  *SystemTable\r
  )\r
{\r
  EFI_STATUS          Status;\r
  LIST_ENTRY          *Package;\r
  CHAR16              *ProblemParam;\r
  SHELL_STATUS        ShellStatus;\r
  VOID                *Address;\r
  UINT64              Size;\r
  CONST CHAR16        *Temp1;\r
  UINT64              AcpiTableAddress;\r
  UINT64              Acpi20TableAddress;\r
  UINT64              SalTableAddress;\r
  UINT64              SmbiosTableAddress;\r
  UINT64              MpsTableAddress;\r
  UINTN               TableWalker;\r
\r
  ShellStatus         = SHELL_SUCCESS;\r
  Status              = EFI_SUCCESS;\r
  Address             = NULL;\r
  Size                = 0;\r
\r
  //\r
  // initialize the shell lib (we must be in non-auto-init...)\r
  //\r
  Status = ShellInitialize();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  Status = CommandInit();\r
  ASSERT_EFI_ERROR(Status);\r
\r
  //\r
  // parse the command line\r
  //\r
  Status = ShellCommandLineParse (ParamList, &Package, &ProblemParam, TRUE);\r
  if (EFI_ERROR(Status)) {\r
    if (Status == EFI_VOLUME_CORRUPTED && ProblemParam != NULL) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM), gShellDebug1HiiHandle, L"dmem", ProblemParam);\r
      FreePool(ProblemParam);\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      ASSERT(FALSE);\r
    }\r
  } else {\r
    if (ShellCommandLineGetCount(Package) > 3) {\r
      ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"dmem");\r
      ShellStatus = SHELL_INVALID_PARAMETER;\r
    } else {\r
      Temp1 = ShellCommandLineGetRawValue(Package, 1);\r
      if (Temp1 == NULL) {\r
        Address = gST;\r
        Size    = sizeof (*gST);\r
      } else {\r
        if (!ShellIsHexOrDecimalNumber(Temp1, TRUE, FALSE) || EFI_ERROR(ShellConvertStringToUint64(Temp1, (UINT64*)&Address, TRUE, FALSE))) {\r
          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dmem", Temp1);\r
          ShellStatus = SHELL_INVALID_PARAMETER;\r
        }\r
        Temp1 = ShellCommandLineGetRawValue(Package, 2);\r
        if (Temp1 == NULL) {\r
          Size = 512;\r
        } else {\r
          if (!ShellIsHexOrDecimalNumber(Temp1, FALSE, FALSE) || EFI_ERROR(ShellConvertStringToUint64(Temp1, &Size, TRUE, FALSE))) {\r
            ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dmem", Temp1);\r
            ShellStatus = SHELL_INVALID_PARAMETER;\r
          }\r
        }\r
      }\r
    }\r
\r
    if (ShellStatus == SHELL_SUCCESS) {\r
      if (!ShellCommandLineGetFlag(Package, L"-mmio")) {\r
        ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMEM_HEADER_ROW), gShellDebug1HiiHandle, (UINT64)(UINTN)Address, Size);\r
        DumpHex(2, (UINTN)Address, (UINTN)Size, Address);\r
        if (Address == (VOID*)gST) {\r
          Acpi20TableAddress  = 0;\r
          AcpiTableAddress    = 0;\r
          SalTableAddress     = 0;\r
          SmbiosTableAddress  = 0;\r
          MpsTableAddress     = 0;\r
          for (TableWalker = 0 ; TableWalker < gST->NumberOfTableEntries ; TableWalker++) {\r
            if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiAcpi20TableGuid)) {\r
              Acpi20TableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable;\r
              continue;\r
            }\r
            if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiAcpi10TableGuid)) {\r
              AcpiTableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable;\r
              continue;\r
            }\r
            if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiSmbiosTableGuid)) {\r
              SmbiosTableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable;\r
              continue;\r
            }\r
            if (CompareGuid (&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiSmbios3TableGuid)) {\r
              SmbiosTableAddress = (UINT64) (UINTN) gST->ConfigurationTable[TableWalker].VendorTable;\r
              continue;\r
            }\r
            if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiMpsTableGuid)) {\r
              MpsTableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable;\r
              continue;\r
            }\r
          }\r
\r
          ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMEM_SYSTEM_TABLE), gShellDebug1HiiHandle,\r
            (UINT64)(UINTN)Address,\r
            gST->Hdr.HeaderSize,\r
            gST->Hdr.Revision,\r
            (UINT64)(UINTN)gST->ConIn,\r
            (UINT64)(UINTN)gST->ConOut,\r
            (UINT64)(UINTN)gST->StdErr,\r
            (UINT64)(UINTN)gST->RuntimeServices,\r
            (UINT64)(UINTN)gST->BootServices,\r
            SalTableAddress,\r
            AcpiTableAddress,\r
            Acpi20TableAddress,\r
            MpsTableAddress,\r
            SmbiosTableAddress\r
            );\r
        }\r
      } else {\r
        ShellStatus = DisplayMmioMemory(Address, (UINTN)Size);\r
      }\r
    }\r
\r
\r
    ShellCommandLineFreeVarList (Package);\r
  }\r
\r
  return (ShellStatus);\r
}\r