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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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