/** @file | |
Main file for Mm shell Debug1 function. | |
(C) Copyright 2015 Hewlett-Packard Development Company, L.P.<BR> | |
Copyright (c) 2005 - 2015, 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 <Library/ShellLib.h> | |
#include <Library/IoLib.h> | |
#include <Protocol/PciRootBridgeIo.h> | |
#include <Protocol/DeviceIo.h> | |
typedef enum { | |
ShellMmMemory, | |
ShellMmMemoryMappedIo, | |
ShellMmIo, | |
ShellMmPci, | |
ShellMmPciExpress | |
} SHELL_MM_ACCESS_TYPE; | |
CONST UINT16 mShellMmAccessTypeStr[] = { | |
STRING_TOKEN (STR_MM_MEM), | |
STRING_TOKEN (STR_MM_MMIO), | |
STRING_TOKEN (STR_MM_IO), | |
STRING_TOKEN (STR_MM_PCI), | |
STRING_TOKEN (STR_MM_PCIE) | |
}; | |
STATIC CONST SHELL_PARAM_ITEM ParamList[] = { | |
{L"-mmio", TypeFlag}, | |
{L"-mem", TypeFlag}, | |
{L"-io", TypeFlag}, | |
{L"-pci", TypeFlag}, | |
{L"-pcie", TypeFlag}, | |
{L"-n", TypeFlag}, | |
{L"-w", TypeValue}, | |
{NULL, TypeMax} | |
}; | |
CONST UINT64 mShellMmMaxNumber[] = { | |
0, MAX_UINT8, MAX_UINT16, 0, MAX_UINT32, 0, 0, 0, MAX_UINT64 | |
}; | |
CONST EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_WIDTH mShellMmRootBridgeIoWidth[] = { | |
0, EfiPciWidthUint8, EfiPciWidthUint16, 0, EfiPciWidthUint32, 0, 0, 0, EfiPciWidthUint64 | |
}; | |
CONST EFI_CPU_IO_PROTOCOL_WIDTH mShellMmCpuIoWidth[] = { | |
0, EfiCpuIoWidthUint8, EfiCpuIoWidthUint16, 0, EfiCpuIoWidthUint32, 0, 0, 0, EfiCpuIoWidthUint64 | |
}; | |
/** | |
Extract the PCI segment, bus, device, function, register from | |
from a SHELL_MM_PCI or SHELL_MM_PCIE format of address.. | |
@param[in] PciFormat Whether the address is of PCI format of PCIE format. | |
@param[in] Address SHELL_MM_PCI or SHELL_MM_PCIE address. | |
@param[out] Segment PCI segment number. | |
@param[out] Bus PCI bus number. | |
@param[out] Device PCI device number. | |
@param[out] Function PCI function number. | |
@param[out] Register PCI register offset. | |
**/ | |
VOID | |
ShellMmDecodePciAddress ( | |
IN BOOLEAN PciFormat, | |
IN UINT64 Address, | |
OUT UINT32 *Segment, | |
OUT UINT8 *Bus, | |
OUT UINT8 *Device, OPTIONAL | |
OUT UINT8 *Function, OPTIONAL | |
OUT UINT32 *Register OPTIONAL | |
) | |
{ | |
if (PciFormat) { | |
// | |
// PCI Configuration Space.The address will have the format 0x000000ssbbddffrr, | |
// where ss = Segment, bb = Bus, dd = Device, ff = Function and rr = Register. | |
// | |
*Segment = (UINT32) (RShiftU64 (Address, 32) & 0xFF); | |
*Bus = (UINT8) (((UINT32) Address) >> 24); | |
if (Device != NULL) { | |
*Device = (UINT8) (((UINT32) Address) >> 16); | |
} | |
if (Function != NULL) { | |
*Function = (UINT8) (((UINT32) Address) >> 8); | |
} | |
if (Register != NULL) { | |
*Register = (UINT8) Address; | |
} | |
} else { | |
// | |
// PCI Express Configuration Space.The address will have the format 0x0000000ssbbddffrrr, | |
// where ss = Segment, bb = Bus, dd = Device, ff = Function and rrr = Register. | |
// | |
*Segment = (UINT32) (RShiftU64 (Address, 36) & 0xFF); | |
*Bus = (UINT8) RShiftU64 (Address, 28); | |
if (Device != NULL) { | |
*Device = (UINT8) (((UINT32) Address) >> 20); | |
} | |
if (Function != NULL) { | |
*Function = (UINT8) (((UINT32) Address) >> 12); | |
} | |
if (Register != NULL) { | |
*Register = (UINT32) (Address & 0xFFF); | |
} | |
} | |
} | |
/** | |
Read or write some data from or into the Address. | |
@param[in] AccessType Access type. | |
@param[in] PciRootBridgeIo PciRootBridgeIo instance. | |
@param[in] CpuIo CpuIo instance. | |
@param[in] Read TRUE for read, FALSE for write. | |
@param[in] Addresss The memory location to access. | |
@param[in] Size The size of Buffer in Width sized units. | |
@param[in, out] Buffer The buffer to read into or write from. | |
**/ | |
VOID | |
ShellMmAccess ( | |
IN SHELL_MM_ACCESS_TYPE AccessType, | |
IN EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo, | |
IN EFI_CPU_IO2_PROTOCOL *CpuIo, | |
IN BOOLEAN Read, | |
IN UINT64 Address, | |
IN UINTN Size, | |
IN OUT VOID *Buffer | |
) | |
{ | |
EFI_STATUS Status; | |
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL_IO_MEM RootBridgeIoMem; | |
EFI_CPU_IO_PROTOCOL_IO_MEM CpuIoMem; | |
UINT32 Segment; | |
UINT8 Bus; | |
UINT8 Device; | |
UINT8 Function; | |
UINT32 Register; | |
if (AccessType == ShellMmMemory) { | |
if (Read) { | |
CopyMem (Buffer, (VOID *) (UINTN) Address, Size); | |
} else { | |
CopyMem ((VOID *) (UINTN) Address, Buffer, Size); | |
} | |
} else { | |
RootBridgeIoMem = NULL; | |
CpuIoMem = NULL; | |
switch (AccessType) { | |
case ShellMmPci: | |
case ShellMmPciExpress: | |
ASSERT (PciRootBridgeIo != NULL); | |
ShellMmDecodePciAddress ((BOOLEAN) (AccessType == ShellMmPci), Address, &Segment, &Bus, &Device, &Function, &Register); | |
if (Read) { | |
Status = PciRootBridgeIo->Pci.Read ( | |
PciRootBridgeIo, mShellMmRootBridgeIoWidth[Size], | |
EFI_PCI_ADDRESS (Bus, Device, Function, Register), | |
1, Buffer | |
); | |
} else { | |
Status = PciRootBridgeIo->Pci.Write ( | |
PciRootBridgeIo, mShellMmRootBridgeIoWidth[Size], | |
EFI_PCI_ADDRESS (Bus, Device, Function, Register), | |
1, Buffer | |
); | |
} | |
ASSERT_EFI_ERROR (Status); | |
return; | |
case ShellMmMemoryMappedIo: | |
if (PciRootBridgeIo != NULL) { | |
RootBridgeIoMem = Read ? PciRootBridgeIo->Mem.Read : PciRootBridgeIo->Mem.Write; | |
} | |
if (CpuIo != NULL) { | |
CpuIoMem = Read ? CpuIo->Mem.Read : CpuIo->Mem.Write; | |
} | |
break; | |
case ShellMmIo: | |
if (PciRootBridgeIo != NULL) { | |
RootBridgeIoMem = Read ? PciRootBridgeIo->Io.Read : PciRootBridgeIo->Io.Write; | |
} | |
if (CpuIo != NULL) { | |
CpuIoMem = Read ? CpuIo->Io.Read : CpuIo->Io.Write; | |
} | |
break; | |
default: | |
ASSERT (FALSE); | |
break; | |
} | |
Status = EFI_UNSUPPORTED; | |
if (RootBridgeIoMem != NULL) { | |
Status = RootBridgeIoMem (PciRootBridgeIo, mShellMmRootBridgeIoWidth[Size], Address, 1, Buffer); | |
} | |
if (EFI_ERROR (Status) && (CpuIoMem != NULL)) { | |
Status = CpuIoMem (CpuIo, mShellMmCpuIoWidth[Size], Address, 1, Buffer); | |
} | |
if (EFI_ERROR (Status)) { | |
if (AccessType == ShellMmIo) { | |
switch (Size) { | |
case 1: | |
if (Read) { | |
*(UINT8 *) Buffer = IoRead8 ((UINTN) Address); | |
} else { | |
IoWrite8 ((UINTN) Address, *(UINT8 *) Buffer); | |
} | |
break; | |
case 2: | |
if (Read) { | |
*(UINT16 *) Buffer = IoRead16 ((UINTN) Address); | |
} else { | |
IoWrite16 ((UINTN) Address, *(UINT16 *) Buffer); | |
} | |
break; | |
case 4: | |
if (Read) { | |
*(UINT32 *) Buffer = IoRead32 ((UINTN) Address); | |
} else { | |
IoWrite32 ((UINTN) Address, *(UINT32 *) Buffer); | |
} | |
break; | |
case 8: | |
if (Read) { | |
*(UINT64 *) Buffer = IoRead64 ((UINTN) Address); | |
} else { | |
IoWrite64 ((UINTN) Address, *(UINT64 *) Buffer); | |
} | |
break; | |
default: | |
ASSERT (FALSE); | |
break; | |
} | |
} else { | |
switch (Size) { | |
case 1: | |
if (Read) { | |
*(UINT8 *) Buffer = MmioRead8 ((UINTN) Address); | |
} else { | |
MmioWrite8 ((UINTN) Address, *(UINT8 *) Buffer); | |
} | |
break; | |
case 2: | |
if (Read) { | |
*(UINT16 *) Buffer = MmioRead16 ((UINTN) Address); | |
} else { | |
MmioWrite16 ((UINTN) Address, *(UINT16 *) Buffer); | |
} | |
break; | |
case 4: | |
if (Read) { | |
*(UINT32 *) Buffer = MmioRead32 ((UINTN) Address); | |
} else { | |
MmioWrite32 ((UINTN) Address, *(UINT32 *) Buffer); | |
} | |
break; | |
case 8: | |
if (Read) { | |
*(UINT64 *) Buffer = MmioRead64 ((UINTN) Address); | |
} else { | |
MmioWrite64 ((UINTN) Address, *(UINT64 *) Buffer); | |
} | |
break; | |
default: | |
ASSERT (FALSE); | |
break; | |
} | |
} | |
} | |
} | |
} | |
/** | |
Find the CpuIo instance and PciRootBridgeIo instance in the platform. | |
If there are multiple PciRootBridgeIo instances, the instance which manages | |
the Address is returned. | |
@param[in] AccessType Access type. | |
@param[in] Address Address to access. | |
@param[out] CpuIo Return the CpuIo instance. | |
@param[out] PciRootBridgeIo Return the proper PciRootBridgeIo instance. | |
@retval TRUE There are PciRootBridgeIo instances in the platform. | |
@retval FALSE There isn't PciRootBridgeIo instance in the platform. | |
**/ | |
BOOLEAN | |
ShellMmLocateIoProtocol ( | |
IN SHELL_MM_ACCESS_TYPE AccessType, | |
IN UINT64 Address, | |
OUT EFI_CPU_IO2_PROTOCOL **CpuIo, | |
OUT EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL **PciRootBridgeIo | |
) | |
{ | |
EFI_STATUS Status; | |
UINTN Index; | |
UINTN HandleCount; | |
EFI_HANDLE *HandleBuffer; | |
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *Io; | |
UINT32 Segment; | |
UINT8 Bus; | |
EFI_ACPI_ADDRESS_SPACE_DESCRIPTOR *Descriptors; | |
Status = gBS->LocateProtocol (&gEfiCpuIo2ProtocolGuid, NULL, (VOID **) CpuIo); | |
if (EFI_ERROR (Status)) { | |
*CpuIo = NULL; | |
} | |
*PciRootBridgeIo = NULL; | |
HandleBuffer = NULL; | |
Status = gBS->LocateHandleBuffer ( | |
ByProtocol, | |
&gEfiPciRootBridgeIoProtocolGuid, | |
NULL, | |
&HandleCount, | |
&HandleBuffer | |
); | |
if (EFI_ERROR (Status) || (HandleCount == 0) || (HandleBuffer == NULL)) { | |
return FALSE; | |
} | |
Segment = 0; | |
Bus = 0; | |
if ((AccessType == ShellMmPci) || (AccessType == ShellMmPciExpress)) { | |
ShellMmDecodePciAddress ((BOOLEAN) (AccessType == ShellMmPci), Address, &Segment, &Bus, NULL, NULL, NULL); | |
} | |
// | |
// Find the EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL of the specified segment & bus number | |
// | |
for (Index = 0; (Index < HandleCount) && (*PciRootBridgeIo == NULL); Index++) { | |
Status = gBS->HandleProtocol ( | |
HandleBuffer[Index], | |
&gEfiPciRootBridgeIoProtocolGuid, | |
(VOID *) &Io | |
); | |
if (EFI_ERROR (Status)) { | |
continue; | |
} | |
if ((((AccessType == ShellMmPci) || (AccessType == ShellMmPciExpress)) && (Io->SegmentNumber == Segment)) || | |
((AccessType == ShellMmIo) || (AccessType == ShellMmMemoryMappedIo)) | |
) { | |
Status = Io->Configuration (Io, (VOID **) &Descriptors); | |
if (!EFI_ERROR (Status)) { | |
while (Descriptors->Desc != ACPI_END_TAG_DESCRIPTOR) { | |
// | |
// Compare the segment and bus range for PCI/PCIE access | |
// | |
if ((Descriptors->ResType == ACPI_ADDRESS_SPACE_TYPE_BUS) && | |
((AccessType == ShellMmPci) || (AccessType == ShellMmPciExpress)) && | |
((Bus >= Descriptors->AddrRangeMin) && (Bus <= Descriptors->AddrRangeMax)) | |
) { | |
*PciRootBridgeIo = Io; | |
break; | |
// | |
// Compare the address range for MMIO/IO access | |
// | |
} else if ((((Descriptors->ResType == ACPI_ADDRESS_SPACE_TYPE_IO) && (AccessType == ShellMmIo)) || | |
((Descriptors->ResType == ACPI_ADDRESS_SPACE_TYPE_MEM) && (AccessType == ShellMmMemoryMappedIo)) | |
) && ((Address >= Descriptors->AddrRangeMin) && (Address <= Descriptors->AddrRangeMax)) | |
) { | |
*PciRootBridgeIo = Io; | |
break; | |
} | |
Descriptors++; | |
} | |
} | |
} | |
} | |
if (HandleBuffer != NULL) { | |
FreePool (HandleBuffer); | |
} | |
return TRUE; | |
} | |
/** | |
Function for 'mm' 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 | |
ShellCommandRunMm ( | |
IN EFI_HANDLE ImageHandle, | |
IN EFI_SYSTEM_TABLE *SystemTable | |
) | |
{ | |
EFI_STATUS Status; | |
EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo; | |
EFI_CPU_IO2_PROTOCOL *CpuIo; | |
UINT64 Address; | |
UINT64 Value; | |
SHELL_MM_ACCESS_TYPE AccessType; | |
UINT64 Buffer; | |
UINTN Index; | |
UINTN Size; | |
BOOLEAN Complete; | |
CHAR16 *InputStr; | |
BOOLEAN Interactive; | |
LIST_ENTRY *Package; | |
CHAR16 *ProblemParam; | |
SHELL_STATUS ShellStatus; | |
CONST CHAR16 *Temp; | |
BOOLEAN HasPciRootBridgeIo; | |
Value = 0; | |
Address = 0; | |
ShellStatus = SHELL_SUCCESS; | |
InputStr = NULL; | |
Size = 1; | |
AccessType = ShellMmMemory; | |
// | |
// Parse arguments | |
// | |
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"mm", ProblemParam); | |
FreePool (ProblemParam); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} else { | |
ASSERT (FALSE); | |
} | |
} else { | |
if (ShellCommandLineGetCount (Package) < 2) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_FEW), gShellDebug1HiiHandle, L"mm"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} else if (ShellCommandLineGetCount (Package) > 3) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"mm"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} else if (ShellCommandLineGetFlag (Package, L"-w") && ShellCommandLineGetValue (Package, L"-w") == NULL) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_NO_VALUE), gShellDebug1HiiHandle, L"mm", L"-w"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} else { | |
if (ShellCommandLineGetFlag (Package, L"-mmio")) { | |
AccessType = ShellMmMemoryMappedIo; | |
if (ShellCommandLineGetFlag (Package, L"-mem") | |
|| ShellCommandLineGetFlag (Package, L"-io") | |
|| ShellCommandLineGetFlag (Package, L"-pci") | |
|| ShellCommandLineGetFlag (Package, L"-pcie") | |
) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"mm"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} | |
} else if (ShellCommandLineGetFlag (Package, L"-mem")) { | |
AccessType = ShellMmMemory; | |
if (ShellCommandLineGetFlag (Package, L"-io") | |
|| ShellCommandLineGetFlag (Package, L"-pci") | |
|| ShellCommandLineGetFlag (Package, L"-pcie") | |
) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"mm"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} | |
} else if (ShellCommandLineGetFlag (Package, L"-io")) { | |
AccessType = ShellMmIo; | |
if (ShellCommandLineGetFlag (Package, L"-pci") | |
|| ShellCommandLineGetFlag (Package, L"-pcie") | |
) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"mm"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} | |
} else if (ShellCommandLineGetFlag (Package, L"-pci")) { | |
AccessType = ShellMmPci; | |
if (ShellCommandLineGetFlag (Package, L"-pcie") | |
) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_TOO_MANY), gShellDebug1HiiHandle, L"mm"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} | |
} else if (ShellCommandLineGetFlag (Package, L"-pcie")) { | |
AccessType = ShellMmPciExpress; | |
} | |
} | |
// | |
// Non interactive for a script file or for the specific parameter | |
// | |
Interactive = TRUE; | |
if (gEfiShellProtocol->BatchIsActive () || ShellCommandLineGetFlag (Package, L"-n")) { | |
Interactive = FALSE; | |
} | |
Temp = ShellCommandLineGetValue (Package, L"-w"); | |
if (Temp != NULL) { | |
Size = ShellStrToUintn (Temp); | |
} | |
if ((Size != 1) && (Size != 2) && (Size != 4) && (Size != 8)) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PROBLEM_VAL), gShellDebug1HiiHandle, L"mm", Temp, L"-w"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} | |
Temp = ShellCommandLineGetRawValue (Package, 1); | |
Status = ShellConvertStringToUint64 (Temp, &Address, TRUE, FALSE); | |
if (EFI_ERROR (Status)) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"mm", Temp); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} | |
if ((Address & (Size - 1)) != 0) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MM_NOT_ALIGNED), gShellDebug1HiiHandle, L"mm", Address); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} | |
if ((AccessType == ShellMmIo) && (Address + Size > MAX_UINT16 + 1)) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MM_IO_ADDRESS_RANGE), gShellDebug1HiiHandle, L"mm"); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} | |
// | |
// locate IO protocol interface | |
// | |
HasPciRootBridgeIo = ShellMmLocateIoProtocol (AccessType, Address, &CpuIo, &PciRootBridgeIo); | |
if ((AccessType == ShellMmPci) || (AccessType == ShellMmPciExpress)) { | |
if (!HasPciRootBridgeIo) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PCIRBIO_NF), gShellDebug1HiiHandle, L"mm"); | |
ShellStatus = SHELL_NOT_FOUND; | |
goto Done; | |
} | |
if (PciRootBridgeIo == NULL) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MM_PCIE_ADDRESS_RANGE), gShellDebug1HiiHandle, L"mm", Address); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} | |
} | |
// | |
// Mode 1: Directly set a value | |
// | |
Temp = ShellCommandLineGetRawValue (Package, 2); | |
if (Temp != NULL) { | |
Status = ShellConvertStringToUint64 (Temp, &Value, TRUE, FALSE); | |
if (EFI_ERROR (Status)) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"mm", Temp); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} | |
if (Value > mShellMmMaxNumber[Size]) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_GEN_PARAM_INV), gShellDebug1HiiHandle, L"mm", Temp); | |
ShellStatus = SHELL_INVALID_PARAMETER; | |
goto Done; | |
} | |
ShellMmAccess (AccessType, PciRootBridgeIo, CpuIo, FALSE, Address, Size, &Value); | |
goto Done; | |
} | |
// | |
// Mode 2: Directly show a value | |
// | |
if (!Interactive) { | |
if (!gEfiShellProtocol->BatchIsActive ()) { | |
ShellPrintHiiEx (-1, -1, NULL, mShellMmAccessTypeStr[AccessType], gShellDebug1HiiHandle); | |
} | |
ShellMmAccess (AccessType, PciRootBridgeIo, CpuIo, TRUE, Address, Size, &Buffer); | |
if (!gEfiShellProtocol->BatchIsActive ()) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MM_ADDRESS), gShellDebug1HiiHandle, Address); | |
} | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MM_BUF), gShellDebug1HiiHandle, Size * 2, Buffer & mShellMmMaxNumber[Size]); | |
ShellPrintEx (-1, -1, L"\r\n"); | |
goto Done; | |
} | |
// | |
// Mode 3: Show or set values in interactive mode | |
// | |
Complete = FALSE; | |
do { | |
if ((AccessType == ShellMmIo) && (Address + Size > MAX_UINT16 + 1)) { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MM_ADDRESS_RANGE2), gShellDebug1HiiHandle, L"mm"); | |
break; | |
} | |
ShellMmAccess (AccessType, PciRootBridgeIo, CpuIo, TRUE, Address, Size, &Buffer); | |
ShellPrintHiiEx (-1, -1, NULL, mShellMmAccessTypeStr[AccessType], gShellDebug1HiiHandle); | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MM_ADDRESS), gShellDebug1HiiHandle, Address); | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MM_BUF), gShellDebug1HiiHandle, Size * 2, Buffer & mShellMmMaxNumber[Size]); | |
ShellPrintEx (-1, -1, L" > "); | |
// | |
// wait user input to modify | |
// | |
if (InputStr != NULL) { | |
FreePool (InputStr); | |
InputStr = NULL; | |
} | |
ShellPromptForResponse (ShellPromptResponseTypeFreeform, NULL, (VOID**) &InputStr); | |
if (InputStr != NULL) { | |
// | |
// skip space characters | |
// | |
for (Index = 0; InputStr[Index] == ' '; Index++); | |
if (InputStr[Index] != CHAR_NULL) { | |
if ((InputStr[Index] == '.') || (InputStr[Index] == 'q') || (InputStr[Index] == 'Q')) { | |
Complete = TRUE; | |
} else if (!EFI_ERROR (ShellConvertStringToUint64 (InputStr + Index, &Buffer, TRUE, TRUE)) && | |
(Buffer <= mShellMmMaxNumber[Size]) | |
) { | |
ShellMmAccess (AccessType, PciRootBridgeIo, CpuIo, FALSE, Address, Size, &Buffer); | |
} else { | |
ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_MM_ERROR), gShellDebug1HiiHandle, L"mm"); | |
continue; | |
} | |
} | |
} | |
Address += Size; | |
ShellPrintEx (-1, -1, L"\r\n"); | |
} while (!Complete); | |
} | |
ASSERT (ShellStatus == SHELL_SUCCESS); | |
Done: | |
if (InputStr != NULL) { | |
FreePool (InputStr); | |
} | |
if (Package != NULL) { | |
ShellCommandLineFreeVarList (Package); | |
} | |
return ShellStatus; | |
} |