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/** @file
Main file for Dmem shell Debug1 function.
Copyright (c) 2015, Hewlett-Packard Development Company, L.P.<BR>
Copyright (c) 2010 - 2011, 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>
#include <Guid/Acpi.h>
#include <Guid/Mps.h>
#include <Guid/SmBios.h>
#include <Guid/SalSystemTable.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
EFIAPI
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
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, L"dmem");
return (SHELL_NOT_FOUND);
}
Buffer = AllocateZeroPool(Size);
ASSERT(Buffer != NULL);
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 = 512;
} 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, &gEfiSalSystemTableGuid)) {
SalTableAddress = (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, &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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