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/*++
Copyright (c) 2005, Intel Corporation
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.
Module Name:
MemCommonPart.c
Abstract:
shared code for shell command "dmem/mem".
Revision History
--*/
#include "MemCommonPart.h"
extern UINT8 STRING_ARRAY_NAME[];
//
// This is the generated header file which includes whatever needs to be exported (strings + IFR)
//
#include STRING_DEFINES_FILE
//
// Global Variables
//
EFI_HII_HANDLE HiiMemHandle;
EFI_GUID EfiMemGuid = EFI_MEM_GUID;
SHELL_VAR_CHECK_ITEM MemCheckList[] = {
{
L"-MMIO",
0x01,
0x04,
FlagTypeSingle
},
{
L"-B",
0x02,
0,
FlagTypeSingle
},
{
L"-?",
0x04,
0x01,
FlagTypeSingle
},
{
NULL,
0,
0,
(SHELL_VAR_CHECK_FLAG_TYPE) 0
}
};
EFI_STATUS
MemMainProcOld (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*++
Routine Description:
mem [Address] [Size] ;MMIO
if no Address default address is EFI System Table
if no size default size is 512;
if ;MMIO then use memory mapped IO and not system memory
Arguments:
ImageHandle - The image handle
SystemTable - The system table
Returns:
EFI_SUCCESS - Success
--*/
{
EFI_STATUS Status;
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
UINT64 Address;
UINTN Size;
UINT8 *Buffer;
BOOLEAN MMIo;
UINTN Index;
CHAR16 *AddressStr;
CHAR16 *SizeStr;
CHAR16 *Ptr;
BOOLEAN PrtHelp;
Status = EFI_SUCCESS;
PrtHelp = FALSE;
//
// Get command arguments
//
MMIo = FALSE;
AddressStr = NULL;
SizeStr = NULL;
for (Index = 1; Index < SI->Argc; Index += 1) {
Ptr = SI->Argv[Index];
if (*Ptr == ';') {
//
// Shortcut! assume MMIo if ; exists
//
if (StriCmp (Ptr, L";MMIO") == 0) {
MMIo = TRUE;
continue;
} else {
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_UNKNOWN_FLAG), HiiMemHandle, L"mem", Ptr);
Status = EFI_INVALID_PARAMETER;
return Status;
}
} else if (*Ptr == '-') {
if (0 == StriCmp (Ptr, L"-b")) {
EnablePageBreak (DEFAULT_INIT_ROW, DEFAULT_AUTO_LF);
continue;
} else if (0 == StriCmp (Ptr, L"-?")) {
PrtHelp = TRUE;
} else {
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_UNKNOWN_FLAG), HiiMemHandle, L"mem", Ptr);
Status = EFI_INVALID_PARAMETER;
return Status;
}
}
if (!AddressStr) {
AddressStr = Ptr;
continue;
}
if (!SizeStr) {
SizeStr = Ptr;
continue;
}
}
if (PrtHelp) {
PrintToken (STRING_TOKEN (STR_MEM_VERBOSEHELP), HiiMemHandle);
return EFI_SUCCESS;
}
Address = (AddressStr) ? Xtoi (AddressStr) : (UINT64)(UINTN) SystemTable;
Size = (SizeStr) ? Xtoi (SizeStr) : 512;
//
// Get memory data
//
PrintToken (STRING_TOKEN (STR_MEM_MEMORY_ADDR), HiiMemHandle, 2 * sizeof (UINTN), Address, Size);
if (MMIo) {
Status = BS->LocateProtocol (&gEfiPciRootBridgeIoProtocolGuid, NULL, (VOID**)&PciRootBridgeIo);
if (EFI_ERROR (Status)) {
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_LOC_PROT_ERR_EX), HiiMemHandle, L"mem", L"PciRootBridgeIo");
return Status;
}
//
// Allocate buffer for memory io read
//
Buffer = AllocatePool (Size);
if (Buffer == NULL) {
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_OUT_RESOURCE), HiiMemHandle, L"mem");
Status = EFI_OUT_OF_RESOURCES;
return Status;
}
PciRootBridgeIo->Mem.Read (PciRootBridgeIo, EfiPciWidthUint8, Address, Size, Buffer);
} else {
Buffer = (UINT8 *) (UINTN) Address;
}
//
// Dump data
//
DumpHex (2, (UINTN) Address, Size, Buffer);
EFIMemStructsPrint (Buffer, Size, Address, NULL);
if (MMIo) {
FreePool (Buffer);
}
return Status;
}
EFI_STATUS
MemMainProc (
IN EFI_HANDLE ImageHandle,
IN EFI_SYSTEM_TABLE *SystemTable
)
/*+++
Routine Description:
mem [Address] [Size] -MMIO
if no Address default address is EFI System Table
if no size default size is 512;
if -MMIO then use memory mapped IO and not system memory
Arguments:
ImageHandle - The image handle
SystemTable - The system table
Returns:
--*/
{
EFI_STATUS Status;
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;
UINT64 Address;
UINTN Size;
UINT8 *Buffer;
BOOLEAN MMIo;
CHAR16 *AddressStr;
CHAR16 *SizeStr;
SHELL_VAR_CHECK_CODE RetCode;
CHAR16 *Useful;
SHELL_ARG_LIST *Item;
SHELL_VAR_CHECK_PACKAGE ChkPck;
Status = EFI_SUCCESS;
ZeroMem (&ChkPck, sizeof (SHELL_VAR_CHECK_PACKAGE));
//
// Get command arguments
//
MMIo = FALSE;
AddressStr = NULL;
SizeStr = NULL;
Address = (UINT64)(UINTN) SystemTable;
Size = 512;
RetCode = LibCheckVariables (SI, MemCheckList, &ChkPck, &Useful);
if (VarCheckOk != RetCode) {
switch (RetCode) {
case VarCheckUnknown:
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_UNKNOWN_FLAG), HiiMemHandle, L"mem", Useful);
break;
case VarCheckConflict:
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_FLAG_CONFLICT), HiiMemHandle, L"mem", Useful);
break;
case VarCheckDuplicate:
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_DUP_FLAG), HiiMemHandle, L"mem", Useful);
break;
default:
break;
}
Status = EFI_INVALID_PARAMETER;
goto Done;
}
if (LibCheckVarGetFlag (&ChkPck, L"-b")) {
EnablePageBreak (DEFAULT_INIT_ROW, DEFAULT_AUTO_LF);
}
if (LibCheckVarGetFlag (&ChkPck, L"-?")) {
if (ChkPck.ValueCount > 0 ||
ChkPck.FlagCount > 2 ||
(2 == ChkPck.FlagCount && !LibCheckVarGetFlag (&ChkPck, L"-b"))
) {
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_TOO_MANY), HiiMemHandle, L"mem");
Status = EFI_INVALID_PARAMETER;
} else {
PrintToken (STRING_TOKEN (STR_MEM_VERBOSEHELP), HiiMemHandle);
Status = EFI_SUCCESS;
}
goto Done;
}
if (LibCheckVarGetFlag (&ChkPck, L"-MMIO")) {
MMIo = TRUE;
}
Item = ChkPck.VarList;
while (NULL != Item) {
if (!AddressStr) {
AddressStr = Item->VarStr;
Address = StrToUIntegerBase (AddressStr, 16, &Status);
if (EFI_ERROR (Status) || Address == 0) {
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_INVALID_ARG), HiiMemHandle, L"mem", AddressStr);
Status = EFI_INVALID_PARAMETER;
goto Done;
}
Item = Item->Next;
continue;
}
if (!SizeStr) {
SizeStr = Item->VarStr;
Size = (UINTN) StrToUIntegerBase (SizeStr, 10, &Status);
if (EFI_ERROR (Status) || Size == 0) {
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_INVALID_ARG), HiiMemHandle, L"mem", SizeStr);
Status = EFI_INVALID_PARAMETER;
goto Done;
}
break;
}
}
//
// Get memory data
//
PrintToken (STRING_TOKEN (STR_MEM_NEW_MEMORY_ADDR), HiiMemHandle, 2 * sizeof (UINTN), Address, Size);
if (MMIo) {
Status = BS->LocateProtocol (&gEfiPciRootBridgeIoProtocolGuid, NULL, (VOID**)&PciRootBridgeIo);
if (EFI_ERROR (Status)) {
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_LOC_PROT_ERR_EX), HiiMemHandle, L"mem", L"PciRootBridgeIo");
return Status;
}
//
// Allocate buffer for memory io read
//
Buffer = AllocatePool (Size);
if (Buffer == NULL) {
PrintToken (STRING_TOKEN (STR_SHELLENV_GNC_OUT_RESOURCE), HiiMemHandle, L"mem");
Status = EFI_OUT_OF_RESOURCES;
return Status;
}
PciRootBridgeIo->Mem.Read (PciRootBridgeIo, EfiPciWidthUint8, Address, Size, Buffer);
} else {
Buffer = (UINT8 *) (UINTN) Address;
}
//
// Dump data
//
DumpHex (2, (UINTN) Address, Size, Buffer);
EFIMemStructsPrint (Buffer, Size, Address, NULL);
if (MMIo) {
FreePool (Buffer);
}
Done:
LibCheckVarFreeVarList (&ChkPck);
return Status;
}
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