diff options
Diffstat (limited to '')
| -rw-r--r-- | src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/Dmem.c | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/Dmem.c b/src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/Dmem.c new file mode 100644 index 00000000..ecba00b1 --- /dev/null +++ b/src/VBox/Devices/EFI/Firmware/ShellPkg/Library/UefiShellDebug1CommandsLib/Dmem.c @@ -0,0 +1,222 @@ +/** @file + Main file for Dmem shell Debug1 function. + + Copyright (c) 2010 - 2018, Intel Corporation. All rights reserved.<BR> + (C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> + (C) Copyright 2015 Hewlett Packard Enterprise Development LP<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ + +#include "UefiShellDebug1CommandsLib.h" +#include <Protocol/PciRootBridgeIo.h> +#include <Guid/Acpi.h> +#include <Guid/Mps.h> +#include <Guid/SmBios.h> + +/** + Make a printable character. + + If Char is printable then return it, otherwise return a question mark. + + @param[in] Char The character to make printable. + + @return A printable character representing Char. +**/ +CHAR16 +MakePrintable( + IN CONST CHAR16 Char + ) +{ + if ((Char < 0x20 && Char > 0)||(Char > 126)) { + return (L'?'); + } + return (Char); +} + +/** + Display some Memory-Mapped-IO memory. + + @param[in] Address The starting address to display. + @param[in] Size The length of memory to display. +**/ +SHELL_STATUS +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, L"dmem"); + return (SHELL_NOT_FOUND); + } + Buffer = AllocateZeroPool(Size); + if (Buffer == NULL) { + return SHELL_OUT_OF_RESOURCES; + } + + Status = PciRbIo->Mem.Read(PciRbIo, EfiPciWidthUint8, (UINT64)(UINTN)Address, Size, Buffer); + if (EFI_ERROR(Status)) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PCIRBIO_ER), gShellDebug1HiiHandle, L"dmem"); + ShellStatus = SHELL_NOT_FOUND; + } else { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMEM_MMIO_HEADER_ROW), gShellDebug1HiiHandle, (UINT64)(UINTN)Address, Size); + DumpHex(2, (UINTN)Address, Size, Buffer); + } + + FreePool(Buffer); + return (ShellStatus); +} + +STATIC CONST SHELL_PARAM_ITEM ParamList[] = { + {L"-mmio", TypeFlag}, + {NULL, TypeMax} + }; + +/** + Function for 'dmem' command. + + @param[in] ImageHandle Handle to the Image (NULL if Internal). + @param[in] SystemTable Pointer to the System Table (NULL if Internal). +**/ +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; + UINT64 Size; + CONST CHAR16 *Temp1; + UINT64 AcpiTableAddress; + UINT64 Acpi20TableAddress; + UINT64 SalTableAddress; + UINT64 SmbiosTableAddress; + UINT64 MpsTableAddress; + UINTN TableWalker; + + 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, L"dmem", ProblemParam); + FreePool(ProblemParam); + ShellStatus = SHELL_INVALID_PARAMETER; + } else { + ASSERT(FALSE); + } + } else { + if (ShellCommandLineGetCount(Package) > 3) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"dmem"); + ShellStatus = SHELL_INVALID_PARAMETER; + } else { + Temp1 = ShellCommandLineGetRawValue(Package, 1); + if (Temp1 == NULL) { + Address = gST; + Size = sizeof (*gST); + } else { + if (!ShellIsHexOrDecimalNumber(Temp1, TRUE, FALSE) || EFI_ERROR(ShellConvertStringToUint64(Temp1, (UINT64*)&Address, TRUE, FALSE))) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dmem", Temp1); + ShellStatus = SHELL_INVALID_PARAMETER; + } + Temp1 = ShellCommandLineGetRawValue(Package, 2); + if (Temp1 == NULL) { + Size = 512; + } else { + if (!ShellIsHexOrDecimalNumber(Temp1, FALSE, FALSE) || EFI_ERROR(ShellConvertStringToUint64(Temp1, &Size, TRUE, FALSE))) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"dmem", Temp1); + ShellStatus = SHELL_INVALID_PARAMETER; + } + } + } + } + + if (ShellStatus == SHELL_SUCCESS) { + if (!ShellCommandLineGetFlag(Package, L"-mmio")) { + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMEM_HEADER_ROW), gShellDebug1HiiHandle, (UINT64)(UINTN)Address, Size); + DumpHex(2, (UINTN)Address, (UINTN)Size, Address); + if (Address == (VOID*)gST) { + Acpi20TableAddress = 0; + AcpiTableAddress = 0; + SalTableAddress = 0; + SmbiosTableAddress = 0; + MpsTableAddress = 0; + for (TableWalker = 0 ; TableWalker < gST->NumberOfTableEntries ; TableWalker++) { + if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiAcpi20TableGuid)) { + Acpi20TableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable; + continue; + } + if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiAcpi10TableGuid)) { + AcpiTableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable; + continue; + } + if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiSmbiosTableGuid)) { + SmbiosTableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable; + continue; + } + if (CompareGuid (&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiSmbios3TableGuid)) { + SmbiosTableAddress = (UINT64) (UINTN) gST->ConfigurationTable[TableWalker].VendorTable; + continue; + } + if (CompareGuid(&gST->ConfigurationTable[TableWalker].VendorGuid, &gEfiMpsTableGuid)) { + MpsTableAddress = (UINT64)(UINTN)gST->ConfigurationTable[TableWalker].VendorTable; + continue; + } + } + + ShellPrintHiiEx(-1, -1, NULL, STRING_TOKEN (STR_DMEM_SYSTEM_TABLE), gShellDebug1HiiHandle, + (UINT64)(UINTN)Address, + gST->Hdr.HeaderSize, + gST->Hdr.Revision, + (UINT64)(UINTN)gST->ConIn, + (UINT64)(UINTN)gST->ConOut, + (UINT64)(UINTN)gST->StdErr, + (UINT64)(UINTN)gST->RuntimeServices, + (UINT64)(UINTN)gST->BootServices, + SalTableAddress, + AcpiTableAddress, + Acpi20TableAddress, + MpsTableAddress, + SmbiosTableAddress + ); + } + } else { + ShellStatus = DisplayMmioMemory(Address, (UINTN)Size); + } + } + + + ShellCommandLineFreeVarList (Package); + } + + return (ShellStatus); +} |