Upload BSD-licensed Vlv2TbltDevicePkg and Vlv2DeviceRefCodePkg to
https://svn.code.sf.net/p/edk2/code/trunk/edk2/, which are for MinnowBoard MAX open source project. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: David Wei <david.wei@intel.com> Reviewed-by: Mike Wu <mike.wu@intel.com> Reviewed-by: Hot Tian <hot.tian@intel.com> git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@16599 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
David Wei
zwei4
204
Vlv2TbltDevicePkg/FvbRuntimeDxe/FvbServiceDxe.c
Normal file
204
Vlv2TbltDevicePkg/FvbRuntimeDxe/FvbServiceDxe.c
Normal file
@@ -0,0 +1,204 @@
|
||||
/** @file
|
||||
Firmware Volume Block Driver for Lakeport Platform.
|
||||
|
||||
Firmware volume block driver for FWH or SPI device.
|
||||
It depends on which Flash Device Library to be linked with this driver.
|
||||
|
||||
Copyright (c) 2006 - 2014, 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 that 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/UefiRuntimeLib.h>
|
||||
#include "FvbService.h"
|
||||
|
||||
extern FWB_GLOBAL mFvbModuleGlobal;
|
||||
|
||||
/**
|
||||
Call back function on EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE event.
|
||||
|
||||
Fixup internal data so that the driver is callable in EFI runtime
|
||||
in virtual mode. Convert the mFvbModuleGlobal date items to there
|
||||
virtual address.
|
||||
|
||||
@param Event Event whose notification function is being invoked.
|
||||
@param Context The context of the Notification context. Not used in
|
||||
this call back function.
|
||||
|
||||
**/
|
||||
VOID
|
||||
EFIAPI
|
||||
FvbVirtualddressChangeEvent (
|
||||
IN EFI_EVENT Event,
|
||||
IN VOID *Context
|
||||
)
|
||||
{
|
||||
EFI_FW_VOL_INSTANCE *FwhInstance;
|
||||
UINTN Index;
|
||||
|
||||
//
|
||||
// Convert the base address of all the instances.
|
||||
//
|
||||
for (Index = 0; Index < mFvbModuleGlobal.NumFv; Index++) {
|
||||
FwhInstance = GetFvbInstance (Index);
|
||||
EfiConvertPointer (0, (VOID **) &FwhInstance->FvBase);
|
||||
}
|
||||
|
||||
EfiConvertPointer (0, (VOID **) &mFvbModuleGlobal.FvInstance);
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
The function installs EFI_FIRMWARE_VOLUME_BLOCK protocol
|
||||
for each FV in the system.
|
||||
|
||||
@param[in] FwhInstance The pointer to a FW volume instance structure,
|
||||
which contains the information about one FV.
|
||||
@param[in] InstanceNum The instance number which can be used as a ID
|
||||
to locate this FwhInstance in other functions.
|
||||
|
||||
@retval VOID
|
||||
|
||||
**/
|
||||
VOID
|
||||
InstallFvbProtocol (
|
||||
IN EFI_FW_VOL_INSTANCE *FwhInstance,
|
||||
IN UINTN InstanceNum
|
||||
)
|
||||
{
|
||||
EFI_FW_VOL_BLOCK_DEVICE *FvbDevice;
|
||||
EFI_FIRMWARE_VOLUME_HEADER *FwVolHeader;
|
||||
EFI_STATUS Status;
|
||||
EFI_HANDLE FwbHandle;
|
||||
EFI_FIRMWARE_VOLUME_BLOCK_PROTOCOL *OldFwbInterface;
|
||||
|
||||
FvbDevice = (EFI_FW_VOL_BLOCK_DEVICE *) AllocateRuntimeCopyPool (
|
||||
sizeof (EFI_FW_VOL_BLOCK_DEVICE),
|
||||
&mFvbDeviceTemplate
|
||||
);
|
||||
ASSERT (FvbDevice != NULL);
|
||||
|
||||
FvbDevice->Instance = InstanceNum;
|
||||
FwVolHeader = &FwhInstance->VolumeHeader;
|
||||
|
||||
//
|
||||
// Set up the devicepath.
|
||||
//
|
||||
DEBUG ((EFI_D_INFO, "FwBlockService.c: Setting up DevicePath for 0x%lx:\n", FwhInstance->FvBase));
|
||||
if (FwVolHeader->ExtHeaderOffset == 0) {
|
||||
//
|
||||
// FV does not contains extension header, then produce MEMMAP_DEVICE_PATH.
|
||||
//
|
||||
FvbDevice->DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) AllocateRuntimeCopyPool (sizeof (FV_MEMMAP_DEVICE_PATH), &mFvMemmapDevicePathTemplate);
|
||||
((FV_MEMMAP_DEVICE_PATH *) FvbDevice->DevicePath)->MemMapDevPath.StartingAddress = FwhInstance->FvBase;
|
||||
((FV_MEMMAP_DEVICE_PATH *) FvbDevice->DevicePath)->MemMapDevPath.EndingAddress = FwhInstance->FvBase + FwVolHeader->FvLength - 1;
|
||||
} else {
|
||||
FvbDevice->DevicePath = (EFI_DEVICE_PATH_PROTOCOL *) AllocateRuntimeCopyPool (sizeof (FV_PIWG_DEVICE_PATH), &mFvPIWGDevicePathTemplate);
|
||||
CopyGuid (
|
||||
&((FV_PIWG_DEVICE_PATH *)FvbDevice->DevicePath)->FvDevPath.FvName,
|
||||
(GUID *)(UINTN)(FwhInstance->FvBase + FwVolHeader->ExtHeaderOffset)
|
||||
);
|
||||
}
|
||||
|
||||
//
|
||||
// Find a handle with a matching device path that has supports FW Block protocol.
|
||||
//
|
||||
Status = gBS->LocateDevicePath (
|
||||
&gEfiFirmwareVolumeBlockProtocolGuid,
|
||||
&FvbDevice->DevicePath,
|
||||
&FwbHandle
|
||||
);
|
||||
if (EFI_ERROR (Status) ) {
|
||||
//
|
||||
// LocateDevicePath fails so install a new interface and device path.
|
||||
//
|
||||
DEBUG ((EFI_D_INFO, "FwBlockService.c: LocateDevicePath failed, install new interface 0x%lx:\n", FwhInstance->FvBase));
|
||||
FwbHandle = NULL;
|
||||
Status = gBS->InstallMultipleProtocolInterfaces (
|
||||
&FwbHandle,
|
||||
&gEfiFirmwareVolumeBlockProtocolGuid,
|
||||
&FvbDevice->FwVolBlockInstance,
|
||||
&gEfiDevicePathProtocolGuid,
|
||||
FvbDevice->DevicePath,
|
||||
NULL
|
||||
);
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
DEBUG ((EFI_D_INFO, "FwBlockService.c: IMPI FirmwareVolBlockProt, DevPath 0x%lx: %r\n", FwhInstance->FvBase, Status));
|
||||
|
||||
} else if (IsDevicePathEnd (FvbDevice->DevicePath)) {
|
||||
//
|
||||
// Device allready exists, so reinstall the FVB protocol.
|
||||
//
|
||||
DEBUG ((EFI_D_ERROR, "FwBlockService.c: LocateDevicePath succeeded, reinstall interface 0x%lx:\n", FwhInstance->FvBase));
|
||||
Status = gBS->HandleProtocol (
|
||||
FwbHandle,
|
||||
&gEfiFirmwareVolumeBlockProtocolGuid,
|
||||
(VOID **) &OldFwbInterface
|
||||
);
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
Status = gBS->ReinstallProtocolInterface (
|
||||
FwbHandle,
|
||||
&gEfiFirmwareVolumeBlockProtocolGuid,
|
||||
OldFwbInterface,
|
||||
&FvbDevice->FwVolBlockInstance
|
||||
);
|
||||
ASSERT_EFI_ERROR (Status);
|
||||
|
||||
} else {
|
||||
//
|
||||
// There was a FVB protocol on an End Device Path node.
|
||||
//
|
||||
ASSERT (FALSE);
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
|
||||
/**
|
||||
The driver entry point for Firmware Volume Block Driver.
|
||||
|
||||
The function does the necessary initialization work for
|
||||
Firmware Volume Block Driver.
|
||||
|
||||
@param[in] ImageHandle The firmware allocated handle for the UEFI image.
|
||||
@param[in] SystemTable A pointer to the EFI system table.
|
||||
|
||||
@retval EFI_SUCCESS This funtion always return EFI_SUCCESS.
|
||||
It will ASSERT on errors.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
DxeFvbInitialize (
|
||||
IN EFI_HANDLE ImageHandle,
|
||||
IN EFI_SYSTEM_TABLE *SystemTable
|
||||
)
|
||||
{
|
||||
EFI_STATUS Status;
|
||||
EFI_EVENT Event;
|
||||
|
||||
Status = gBS->CreateEventEx (
|
||||
EVT_NOTIFY_SIGNAL,
|
||||
TPL_NOTIFY,
|
||||
FvbVirtualddressChangeEvent,
|
||||
NULL,
|
||||
&gEfiEventVirtualAddressChangeGuid,
|
||||
Reference in New Issue
Block a user