mirror of https://github.com/acidanthera/audk.git
111 lines
3.2 KiB
C
111 lines
3.2 KiB
C
/** @file
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Copyright (c) 2013-2015, ARM Ltd. All rights reserved.<BR>
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This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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**/
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#include "ArmVExpressInternal.h"
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#include <Library/VirtioMmioDeviceLib.h>
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#include <Library/ArmShellCmdLib.h>
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#include <Library/MemoryAllocationLib.h>
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#define ARM_FVP_BASE_VIRTIO_BLOCK_BASE 0x1c130000
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#pragma pack(1)
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typedef struct {
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VENDOR_DEVICE_PATH Vendor;
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EFI_DEVICE_PATH_PROTOCOL End;
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} VIRTIO_BLK_DEVICE_PATH;
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#pragma pack()
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VIRTIO_BLK_DEVICE_PATH mVirtioBlockDevicePath =
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{
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{
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{
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HARDWARE_DEVICE_PATH,
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HW_VENDOR_DP,
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{
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(UINT8)( sizeof(VENDOR_DEVICE_PATH) ),
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(UINT8)((sizeof(VENDOR_DEVICE_PATH)) >> 8)
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}
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},
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EFI_CALLER_ID_GUID,
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},
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{
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END_DEVICE_PATH_TYPE,
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END_ENTIRE_DEVICE_PATH_SUBTYPE,
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{
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sizeof (EFI_DEVICE_PATH_PROTOCOL),
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0
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}
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}
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};
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/**
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* Generic UEFI Entrypoint for 'ArmFvpDxe' driver
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* See UEFI specification for the details of the parameters
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*/
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EFI_STATUS
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EFIAPI
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ArmFvpInitialise (
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IN EFI_HANDLE ImageHandle,
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IN EFI_SYSTEM_TABLE *SystemTable
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)
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{
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CONST ARM_VEXPRESS_PLATFORM* Platform;
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EFI_STATUS Status;
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CHAR16 *TextDevicePath;
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UINTN TextDevicePathSize;
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VOID *Buffer;
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Status = gBS->InstallProtocolInterface (&ImageHandle,
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&gEfiDevicePathProtocolGuid, EFI_NATIVE_INTERFACE,
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&mVirtioBlockDevicePath);
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if (EFI_ERROR (Status)) {
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return Status;
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}
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Status = ArmVExpressGetPlatform (&Platform);
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if (!EFI_ERROR (Status)) {
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TextDevicePathSize = StrSize ((CHAR16*)PcdGetPtr (PcdFvpFdtDevicePathsBase)) - sizeof (CHAR16);
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TextDevicePathSize += StrSize (Platform->FdtName);
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TextDevicePath = AllocatePool (TextDevicePathSize);
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if (TextDevicePath != NULL) {
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StrCpy (TextDevicePath, ((CHAR16*)PcdGetPtr (PcdFvpFdtDevicePathsBase)));
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StrCat (TextDevicePath, Platform->FdtName);
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Buffer = PcdSetPtr (PcdFdtDevicePaths, &TextDevicePathSize, TextDevicePath);
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if (Buffer == NULL) {
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DEBUG ((
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EFI_D_ERROR,
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"ArmFvpDxe: Setting of FDT device path in PcdFdtDevicePaths failed - %r\n", EFI_BUFFER_TOO_SMALL
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));
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}
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FreePool (TextDevicePath);
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}
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}
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// Declare the Virtio BlockIo device
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Status = VirtioMmioInstallDevice (ARM_FVP_BASE_VIRTIO_BLOCK_BASE, ImageHandle);
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if (EFI_ERROR (Status)) {
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DEBUG ((EFI_D_ERROR, "ArmFvpDxe: Failed to install Virtio block device\n"));
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}
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// Install dynamic Shell command to run baremetal binaries.
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Status = ShellDynCmdRunAxfInstall (ImageHandle);
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if (EFI_ERROR (Status)) {
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DEBUG ((EFI_D_ERROR, "ArmFvpDxe: Failed to install ShellDynCmdRunAxf\n"));
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}
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return Status;
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}
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