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- /** @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);
- }
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