diff options
Diffstat (limited to 'EmbeddedPkg/Application/AndroidFastboot/Arm')
| -rw-r--r-- | EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c | 125 |
1 files changed, 125 insertions, 0 deletions
diff --git a/EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c b/EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c new file mode 100644 index 0000000000..6f4b66beeb --- /dev/null +++ b/EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c @@ -0,0 +1,125 @@ +/** @file
+
+ Copyright (c) 2013-2014, ARM Ltd. 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 "AndroidFastbootApp.h"
+
+#include <Protocol/DevicePath.h>
+
+#include <Library/BdsLib.h>
+#include <Library/DevicePathLib.h>
+
+#include <Guid/ArmGlobalVariableHob.h>
+
+// Device Path representing an image in memory
+#pragma pack(1)
+typedef struct {
+ MEMMAP_DEVICE_PATH Node1;
+ EFI_DEVICE_PATH_PROTOCOL End;
+} MEMORY_DEVICE_PATH;
+#pragma pack()
+
+STATIC CONST MEMORY_DEVICE_PATH MemoryDevicePathTemplate =
+{
+ {
+ {
+ HARDWARE_DEVICE_PATH,
+ HW_MEMMAP_DP,
+ {
+ (UINT8)(sizeof (MEMMAP_DEVICE_PATH)),
+ (UINT8)((sizeof (MEMMAP_DEVICE_PATH)) >> 8),
+ },
+ }, // Header
+ 0, // StartingAddress (set at runtime)
+ 0 // EndingAddress (set at runtime)
+ }, // Node1
+ {
+ END_DEVICE_PATH_TYPE,
+ END_ENTIRE_DEVICE_PATH_SUBTYPE,
+ sizeof (EFI_DEVICE_PATH_PROTOCOL),
+ 0
+ } // End
+};
+
+EFI_STATUS
+BootAndroidBootImg (
+ IN UINTN BufferSize,
+ IN VOID *Buffer
+ )
+{
+ EFI_DEVICE_PATH_PROTOCOL *FdtDevicePath;
+ EFI_STATUS Status;
+ CHAR8 KernelArgs[BOOTIMG_KERNEL_ARGS_SIZE];
+ VOID *Kernel;
+ UINTN KernelSize;
+ VOID *Ramdisk;
+ UINTN RamdiskSize;
+ MEMORY_DEVICE_PATH KernelDevicePath;
+ MEMORY_DEVICE_PATH* RamdiskDevicePath;
+
+ Status = ParseAndroidBootImg (
+ Buffer,
+ &Kernel,
+ &KernelSize,
+ &Ramdisk,
+ &RamdiskSize,
+ KernelArgs
+ );
+ if (EFI_ERROR (Status)) {
+ return Status;
+ }
+
+ KernelDevicePath = MemoryDevicePathTemplate;
+
+ // Have to cast to UINTN before casting to EFI_PHYSICAL_ADDRESS in order to
+ // appease GCC.
+ KernelDevicePath.Node1.StartingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel;
+ KernelDevicePath.Node1.EndingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Kernel + KernelSize;
+
+ RamdiskDevicePath = NULL;
+ if (RamdiskSize != 0) {
+ RamdiskDevicePath = (MEMORY_DEVICE_PATH*)DuplicateDevicePath ((EFI_DEVICE_PATH_PROTOCOL*) &MemoryDevicePathTemplate);
+
+ RamdiskDevicePath->Node1.StartingAddress = (EFI_PHYSICAL_ADDRESS)(UINTN) Ramdisk;
+ RamdiskDevicePath->Node1.EndingAddress = ((EFI_PHYSICAL_ADDRESS)(UINTN) Ramdisk) + RamdiskSize;
+ }
+
+ // Get the default FDT device path
+ Status = GetEnvironmentVariable ((CHAR16 *)L"Fdt", &gArmGlobalVariableGuid,
+ NULL, 0, (VOID **)&FdtDevicePath);
+ if (Status == EFI_NOT_FOUND) {
+ DEBUG ((EFI_D_ERROR, "Error: Please update FDT path in boot manager\n"));
+ return EFI_DEVICE_ERROR;
+ }
+ ASSERT_EFI_ERROR (Status);
+
+ Status = BdsBootLinuxFdt (
+ (EFI_DEVICE_PATH_PROTOCOL *) &KernelDevicePath,
+ (EFI_DEVICE_PATH_PROTOCOL *) RamdiskDevicePath,
+ KernelArgs,
+ FdtDevicePath
+ );
+ if (EFI_ERROR (Status)) {
+ DEBUG ((EFI_D_ERROR, "Couldn't Boot Linux: %d\n", Status));
+ return EFI_DEVICE_ERROR;
+ }
+
+ if (RamdiskDevicePath) {
+ FreePool (RamdiskDevicePath);
+ }
+
+ // If we got here we do a confused face because BootLinuxFdt returned,
+ // reporting success.
+ DEBUG ((EFI_D_ERROR, "WARNING: BdsBootLinuxFdt returned EFI_SUCCESS.\n"));
+ return EFI_SUCCESS;
+}
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