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EmbeddedPkg/AndroidFastboot: drop dependency on the LinuxLoader 

When booting the kernel via Fastboot, invoke the kernel image directly
rather than passing it to the LinuxLoader app. This requires the kernel
image to be built with UEFI stub support.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Ryan Harkin <ryan.harkin@linaro.org>
This commit is contained in:
Ard Biesheuvel 2016-11-21 12:13:18 +00:00
parent 45b18ce5b1
commit 34e0bceabf
1 changed files with 23 additions and 49 deletions
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72
EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c
View File

@ -21,11 +21,6 @@
#include <Library/UefiBootServicesTableLib.h>
#include <Library/UefiLib.h>
#define LINUX_LOADER_COMMAND_LINE L"%s -f %s -c %s"
// This GUID is defined in the INGF file of ArmPkg/Application/LinuxLoader
CONST EFI_GUID mLinuxLoaderAppGuid = { 0x701f54f2, 0x0d70, 0x4b89, { 0xbc, 0x0a, 0xd9, 0xca, 0x25, 0x37, 0x90, 0x59 }};
// Device Path representing an image in memory
#pragma pack(1)
typedef struct {
@ -68,11 +63,7 @@ BootAndroidBootImg (
VOID *Ramdisk;
UINTN RamdiskSize;
MEMORY_DEVICE_PATH KernelDevicePath;
MEMORY_DEVICE_PATH* RamdiskDevicePath;
CHAR16* KernelDevicePathTxt;
CHAR16* RamdiskDevicePathTxt;
EFI_DEVICE_PATH* LinuxLoaderDevicePath;
CHAR16* LoadOptions;
CHAR16 *LoadOptions, *NewLoadOptions;
Status = ParseAndroidBootImg (
Buffer,
@ -93,55 +84,38 @@ BootAndroidBootImg (
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;
}
//
// Boot Linux using the Legacy Linux Loader
//
Status = LocateEfiApplicationInFvByGuid (&mLinuxLoaderAppGuid, &LinuxLoaderDevicePath);
if (EFI_ERROR (Status)) {
Print (L"Couldn't Boot Linux: %d\n", Status);
return EFI_DEVICE_ERROR;
}
KernelDevicePathTxt = ConvertDevicePathToText ((EFI_DEVICE_PATH_PROTOCOL *) &KernelDevicePath, FALSE, FALSE);
if (KernelDevicePathTxt == NULL) {
return EFI_OUT_OF_RESOURCES;
}
RamdiskDevicePathTxt = ConvertDevicePathToText ((EFI_DEVICE_PATH_PROTOCOL *) RamdiskDevicePath, FALSE, FALSE);
if (RamdiskDevicePathTxt == NULL) {
return EFI_OUT_OF_RESOURCES;
}
// Initialize Legacy Linux loader command line
LoadOptions = CatSPrint (NULL, LINUX_LOADER_COMMAND_LINE, KernelDevicePathTxt, RamdiskDevicePathTxt, KernelArgs);
// Initialize Linux command line
LoadOptions = CatSPrint (NULL, L"%a", KernelArgs);
if (LoadOptions == NULL) {
return EFI_OUT_OF_RESOURCES;
}
Status = BdsStartEfiApplication (gImageHandle, LinuxLoaderDevicePath, StrSize (LoadOptions), LoadOptions);
if (RamdiskSize != 0) {
NewLoadOptions = CatSPrint (LoadOptions, L" initrd=0x%x,0x%x",
(UINTN)Ramdisk, RamdiskSize);
FreePool (LoadOptions);
if (NewLoadOptions == NULL) {
return EFI_OUT_OF_RESOURCES;
}
LoadOptions = NewLoadOptions;
}
Status = BdsStartEfiApplication (gImageHandle,
(EFI_DEVICE_PATH_PROTOCOL *) &KernelDevicePath,
StrSize (LoadOptions),
LoadOptions);
if (EFI_ERROR (Status)) {
DEBUG ((EFI_D_ERROR, "Couldn't Boot Linux: %d\n", Status));
return EFI_DEVICE_ERROR;
Status = EFI_DEVICE_ERROR;
goto FreeLoadOptions;
}
if (RamdiskDevicePath) {
FreePool (RamdiskDevicePathTxt);
FreePool (RamdiskDevicePath);
}
FreePool (KernelDevicePathTxt);
// 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;
FreeLoadOptions:
FreePool (LoadOptions);
return Status;
}