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audk/ArmPlatformPkg/Library/EblCmdLib/EblCmdLib.c

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/** @file
*
* Copyright (c) 2011-2013, ARM Limited. All rights reserved.
*
* 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 <PiDxe.h>
#include <Library/ArmLib.h>
#include <Library/CacheMaintenanceLib.h>
#include <Library/EblCmdLib.h>
#include <Library/BaseLib.h>
#include <Library/DxeServicesTableLib.h>
#include <Library/DebugLib.h>
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiRuntimeServicesTableLib.h>
#include <Library/MemoryAllocationLib.h>
#include <Library/UefiLib.h>
#include <Library/PcdLib.h>
#include <Library/EfiFileLib.h>
#include <Library/ArmDisassemblerLib.h>
#include <Library/PeCoffGetEntryPointLib.h>
#include <Library/PerformanceLib.h>
#include <Library/TimerLib.h>
#include <Library/BdsLib.h>
#include <Guid/DebugImageInfoTable.h>
#include <Protocol/DebugSupport.h>
#include <Protocol/LoadedImage.h>
#include <Protocol/DevicePathToText.h>
EFI_STATUS
EblDumpMmu (
IN UINTN Argc,
IN CHAR8 **Argv
);
EFI_STATUS
EblDumpFdt (
IN UINTN Argc,
IN CHAR8 **Argv
);
/**
Connect all DXE drivers
@retval EFI_SUCCESS All drivers have been connected
@retval EFI_NOT_FOUND No handles match the search.
@retval EFI_OUT_OF_RESOURCES There is not resource pool memory to store the matching results.
**/
STATIC
EFI_STATUS
ConnectAllDrivers (
VOID
)
{
UINTN HandleCount, Index;
EFI_HANDLE *HandleBuffer;
EFI_STATUS Status;
do {
// Locate all the driver handles
Status = gBS->LocateHandleBuffer (
AllHandles,
NULL,
NULL,
&HandleCount,
&HandleBuffer
);
if (EFI_ERROR (Status)) {
break;
}
// Connect every handles
for (Index = 0; Index < HandleCount; Index++) {
gBS->ConnectController (HandleBuffer[Index], NULL, NULL, TRUE);
}
if (HandleBuffer != NULL) {
FreePool (HandleBuffer);
}
// Check if new handles have been created after the start of the previous handles
Status = gDS->Dispatch ();
} while (!EFI_ERROR(Status));
return EFI_SUCCESS;
}
/**
Simple arm disassembler via a library
Argv[0] - symboltable
Argv[1] - Optional qoted format string
Argv[2] - Optional flag
@param Argc Number of command arguments in Argv
@param Argv Array of strings that represent the parsed command line.
Argv[0] is the command name
@return EFI_SUCCESS
**/
EFI_STATUS
EblSymbolTable (
IN UINTN Argc,
IN CHAR8 **Argv
)
{
EFI_STATUS Status;
EFI_DEBUG_IMAGE_INFO_TABLE_HEADER *DebugImageTableHeader = NULL;
EFI_DEBUG_IMAGE_INFO *DebugTable;
UINTN Entry;
CHAR8 *Format;
CHAR8 *Pdb;
UINT32 PeCoffSizeOfHeaders;
UINT32 ImageBase;
BOOLEAN Elf;
// Need to add lots of error checking on the passed in string
// Default string is for RealView debugger
#if (__ARMCC_VERSION < 500000)
Format = (Argc > 1) ? Argv[1] : "load /a /ni /np %a &0x%x";
#else
Format = (Argc > 1) ? Argv[1] : "add-symbol-file %a 0x%x";
#endif
Elf = (Argc > 2) ? FALSE : TRUE;
Status = EfiGetSystemConfigurationTable (&gEfiDebugImageInfoTableGuid, (VOID **)&DebugImageTableHeader);
if (EFI_ERROR (Status)) {
return Status;
}
DebugTable = DebugImageTableHeader->EfiDebugImageInfoTable;
if (DebugTable == NULL) {
return EFI_SUCCESS;
}
for (Entry = 0; Entry < DebugImageTableHeader->TableSize; Entry++, DebugTable++) {
if (DebugTable->NormalImage != NULL) {
if ((DebugTable->NormalImage->ImageInfoType == EFI_DEBUG_IMAGE_INFO_TYPE_NORMAL) && (DebugTable->NormalImage->LoadedImageProtocolInstance != NULL)) {
ImageBase = (UINTN)DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase;
PeCoffSizeOfHeaders = PeCoffGetSizeOfHeaders ((VOID *)(UINTN)ImageBase);
Pdb = PeCoffLoaderGetPdbPointer (DebugTable->NormalImage->LoadedImageProtocolInstance->ImageBase);
if (Pdb != NULL) {
if (Elf) {
// ELF and Mach-O images don't include the header so the linked address does not include header
ImageBase += PeCoffSizeOfHeaders;
}
AsciiPrint (Format, Pdb, ImageBase);
AsciiPrint ("\n");
} else {
}
}
}
}
return EFI_SUCCESS;
}
/**
Simple arm disassembler via a library
Argv[0] - disasm
Argv[1] - Address to start disassembling from
ARgv[2] - Number of instructions to disassembly (optional)
@param Argc Number of command arguments in Argv
@param Argv Array of strings that represent the parsed command line.
Argv[0] is the command name
@return EFI_SUCCESS
**/
EFI_STATUS
EblDisassembler (
IN UINTN Argc,
IN CHAR8 **Argv
)
{
UINT8 *Ptr, *CurrentAddress;
UINT32 Address;
UINT32 Count;
CHAR8 Buffer[80];
UINT32 ItBlock;
if (Argc < 2) {
return EFI_INVALID_PARAMETER;
}
Address = AsciiStrHexToUintn (Argv[1]);
Count = (Argc > 2) ? (UINT32)AsciiStrHexToUintn (Argv[2]) : 20;
Ptr = (UINT8 *)(UINTN)Address;
ItBlock = 0;
do {
CurrentAddress = Ptr;
DisassembleInstruction (&Ptr, TRUE, TRUE, &ItBlock, Buffer, sizeof (Buffer));
AsciiPrint ("0x%08x: %a\n", CurrentAddress, Buffer);
} while (Count-- > 0);
return EFI_SUCCESS;
}
CHAR8 *
ImageHandleToPdbFileName (
IN EFI_HANDLE Handle
)
{
EFI_STATUS Status;
EFI_LOADED_IMAGE_PROTOCOL *LoadedImage;
CHAR8 *Pdb;
CHAR8 *StripLeading;
Status = gBS->HandleProtocol (Handle, &gEfiLoadedImageProtocolGuid, (VOID **)&LoadedImage);
if (EFI_ERROR (Status)) {
return "";
}
Pdb = PeCoffLoaderGetPdbPointer (LoadedImage->ImageBase);
StripLeading = AsciiStrStr (Pdb, "\\ARM\\");
if (StripLeading == NULL) {
StripLeading = AsciiStrStr (Pdb, "/ARM/");
if (StripLeading == NULL) {
return Pdb;
}
}
// Hopefully we hacked off the unneeded part
return (StripLeading + 5);
}
STATIC CHAR8 *mTokenList[] = {
/*"SEC",*/
"PEI",
"DXE",
/*"BDS",*/
NULL
};
/**
Simple arm disassembler via a library
Argv[0] - disasm
Argv[1] - Address to start disassembling from
ARgv[2] - Number of instructions to disassembly (optional)
@param Argc Number of command arguments in Argv
@param Argv Array of strings that represent the parsed command line.
Argv[0] is the command name
@return EFI_SUCCESS
**/
EFI_STATUS
EblPerformance (
IN UINTN Argc,
IN CHAR8 **Argv
)
{
UINTN Key;
CONST VOID *Handle;
CONST CHAR8 *Token, *Module;
UINT64 Start, Stop, TimeStamp;
UINT64 Delta, TicksPerSecond, Milliseconds, Microseconds;
UINTN Index;
BOOLEAN CountUp;
TicksPerSecond = GetPerformanceCounterProperties (&Start, &Stop);
if (Start < Stop) {
CountUp = TRUE;
} else {
CountUp = FALSE;
}
Key = 0;
do {
Key = GetPerformanceMeasurement (Key, (CONST VOID **)&Handle, &Token, &Module, &Start, &Stop);
if (Key != 0) {
if (AsciiStriCmp ("StartImage:", Token) == 0) {
if (Stop == 0) {
// The entry for EBL is still running so the stop time will be zero. Skip it
AsciiPrint (" running %a\n", ImageHandleToPdbFileName ((EFI_HANDLE)Handle));
} else {
Delta = CountUp?(Stop - Start):(Start - Stop);
Microseconds = DivU64x64Remainder (MultU64x32 (Delta, 1000000), TicksPerSecond, NULL);
AsciiPrint ("%10ld us %a\n", Microseconds, ImageHandleToPdbFileName ((EFI_HANDLE)Handle));
}
}
}
} while (Key != 0);
AsciiPrint ("\n");
TimeStamp = 0;
Key = 0;
do {
Key = GetPerformanceMeasurement (Key, (CONST VOID **)&Handle, &Token, &Module, &Start, &Stop);
if (Key != 0) {
for (Index = 0; mTokenList[Index] != NULL; Index++) {
if (AsciiStriCmp (mTokenList[Index], Token) == 0) {
Delta = CountUp?(Stop - Start):(Start - Stop);
TimeStamp += Delta;
Milliseconds = DivU64x64Remainder (MultU64x32 (Delta, 1000), TicksPerSecond, NULL);
AsciiPrint ("%6a %6ld ms\n", Token, Milliseconds);
break;
}
}
}
} while (Key != 0);
AsciiPrint ("Total Time = %ld ms\n\n", DivU64x64Remainder (MultU64x32 (TimeStamp, 1000), TicksPerSecond, NULL));
return EFI_SUCCESS;
}
#define EFI_MEMORY_PORT_IO 0x4000000000000000ULL
EFI_STATUS
EblDumpGcd (
IN UINTN Argc,
IN CHAR8 **Argv
)
{
EFI_STATUS Status;
UINTN NumberOfDescriptors;
UINTN i;
EFI_GCD_MEMORY_SPACE_DESCRIPTOR *MemorySpaceMap;
EFI_GCD_IO_SPACE_DESCRIPTOR *IoSpaceMap;
Status = gDS->GetMemorySpaceMap(&NumberOfDescriptors,&MemorySpaceMap);
if (EFI_ERROR (Status)) {
return Status;
}
AsciiPrint (" Address Range Image Device Attributes\n");
AsciiPrint ("__________________________________________________________\n");
for (i=0; i < NumberOfDescriptors; i++) {
AsciiPrint ("MEM %016lx - %016lx",(UINT64)MemorySpaceMap[i].BaseAddress,MemorySpaceMap[i].BaseAddress+MemorySpaceMap[i].Length-1);
AsciiPrint (" %08x %08x",MemorySpaceMap[i].ImageHandle,MemorySpaceMap[i].DeviceHandle);
if (MemorySpaceMap[i].Attributes & EFI_MEMORY_RUNTIME)
AsciiPrint (" RUNTIME");
if (MemorySpaceMap[i].Attributes & EFI_MEMORY_PORT_IO)
AsciiPrint (" PORT_IO");
if (MemorySpaceMap[i].Attributes & EFI_MEMORY_UC)
AsciiPrint (" MEM_UC");
if (MemorySpaceMap[i].Attributes & EFI_MEMORY_WC)
AsciiPrint (" MEM_WC");
if (MemorySpaceMap[i].Attributes & EFI_MEMORY_WT)
AsciiPrint (" MEM_WT");
if (MemorySpaceMap[i].Attributes & EFI_MEMORY_WB)
AsciiPrint (" MEM_WB");
if (MemorySpaceMap[i].Attributes & EFI_MEMORY_UCE)
AsciiPrint (" MEM_UCE");
if (MemorySpaceMap[i].Attributes & EFI_MEMORY_WP)
AsciiPrint (" MEM_WP");
if (MemorySpaceMap[i].Attributes & EFI_MEMORY_RP)
AsciiPrint (" MEM_RP");
if (MemorySpaceMap[i].Attributes & EFI_MEMORY_XP)
AsciiPrint (" MEM_XP");
switch (MemorySpaceMap[i].GcdMemoryType) {
case EfiGcdMemoryTypeNonExistent:
AsciiPrint (" TYPE_NONEXISTENT");
break;
case EfiGcdMemoryTypeReserved:
AsciiPrint (" TYPE_RESERVED");
break;
case EfiGcdMemoryTypeSystemMemory:
AsciiPrint (" TYPE_SYSMEM");
break;
case EfiGcdMemoryTypeMemoryMappedIo:
AsciiPrint (" TYPE_MEMMAP");
break;
default:
AsciiPrint (" TYPE_UNKNOWN");
break;
}
AsciiPrint ("\n");
}
FreePool (MemorySpaceMap);
Status = gDS->GetIoSpaceMap(&NumberOfDescriptors,&IoSpaceMap);
if (EFI_ERROR (Status)) {
return Status;
}
for (i=0; i < NumberOfDescriptors; i++) {
AsciiPrint ("IO %08lx - %08lx",IoSpaceMap[i].BaseAddress,IoSpaceMap[i].BaseAddress+IoSpaceMap[i].Length);
AsciiPrint ("\t%08x %08x",IoSpaceMap[i].ImageHandle,IoSpaceMap[i].DeviceHandle);
switch (IoSpaceMap[i].GcdIoType) {
case EfiGcdIoTypeNonExistent:
AsciiPrint (" TYPE_NONEXISTENT");
break;
case EfiGcdIoTypeReserved:
AsciiPrint (" TYPE_RESERVED");
break;
case EfiGcdIoTypeIo:
AsciiPrint (" TYPE_IO");
break;
default:
AsciiPrint (" TYPE_UNKNOWN");
break;
}
AsciiPrint ("\n");
}
FreePool (IoSpaceMap);
return EFI_SUCCESS;
}
EFI_STATUS
EblDevicePaths (
IN UINTN Argc,
IN CHAR8 **Argv
)
{
EFI_STATUS Status;
UINTN HandleCount;
EFI_HANDLE *HandleBuffer;
UINTN Index;
CHAR16* String;
EFI_DEVICE_PATH_PROTOCOL* DevicePathProtocol;
EFI_DEVICE_PATH_TO_TEXT_PROTOCOL* DevicePathToTextProtocol;
ConnectAllDrivers();
Status = gBS->LocateProtocol(&gEfiDevicePathToTextProtocolGuid, NULL, (VOID **)&DevicePathToTextProtocol);
if (EFI_ERROR (Status)) {
AsciiPrint ("Did not find the DevicePathToTextProtocol.\n");
return EFI_SUCCESS;
}
Status = gBS->LocateHandleBuffer (ByProtocol, &gEfiDevicePathProtocolGuid, NULL, &HandleCount, &HandleBuffer);
if (EFI_ERROR (Status)) {
AsciiPrint ("No device path found\n");
return EFI_SUCCESS;
}
for (Index = 0; Index < HandleCount; Index++) {
Status = gBS->HandleProtocol (HandleBuffer[Index], &gEfiDevicePathProtocolGuid, (VOID **)&DevicePathProtocol);
String = DevicePathToTextProtocol->ConvertDevicePathToText(DevicePathProtocol,TRUE,TRUE);
Print (L"[0x%X] %s\n",(UINTN)HandleBuffer[Index], String);
}
return EFI_SUCCESS;
}
GLOBAL_REMOVE_IF_UNREFERENCED const EBL_COMMAND_TABLE mLibCmdTemplate[] =
{
{
"disasm address [count]",
" disassemble count instructions",
NULL,
EblDisassembler
},
{
"performance",
" Display boot performance info",
NULL,
EblPerformance
},
{
"symboltable [\"format string\"] [PECOFF]",
" show symbol table commands for debugger",
NULL,
EblSymbolTable
},
{
"dumpgcd",
" dump Global Coherency Domain",
NULL,
EblDumpGcd
},
{
"dumpmmu",
" dump MMU Table",
NULL,
EblDumpMmu
},
{
"devicepaths",
" list all the Device Paths",
NULL,
EblDevicePaths
},
{
"dumpfdt",
" dump the current fdt or the one defined in the arguments",
NULL,
EblDumpFdt
}
};
VOID
EblInitializeExternalCmd (
VOID
)
{
EblAddCommands (mLibCmdTemplate, sizeof (mLibCmdTemplate)/sizeof (EBL_COMMAND_TABLE));
return;
}
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