summaryrefslogtreecommitdiffstats
path: root/EmbeddedPkg
diff options
context:
space:
mode:
authorArd Biesheuvel <ard.biesheuvel@linaro.org>2016-11-21 12:13:18 +0000
committerArd Biesheuvel <ard.biesheuvel@linaro.org>2016-11-25 12:56:10 +0000
commit34e0bceabf623342cccfc49fcf6cfcb3654cd8c8 (patch)
treeb14297bb7af5fd3f66438ef9484a7d63f5f5db13 /EmbeddedPkg
parent45b18ce5b121849b01ac982c338565b9dcd8e2f4 (diff)
downloadedk2-34e0bceabf623342cccfc49fcf6cfcb3654cd8c8.tar.gz
edk2-34e0bceabf623342cccfc49fcf6cfcb3654cd8c8.tar.bz2
edk2-34e0bceabf623342cccfc49fcf6cfcb3654cd8c8.zip
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>
Diffstat (limited to 'EmbeddedPkg')
-rw-r--r--EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c70
1 files changed, 22 insertions, 48 deletions
diff --git a/EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c b/EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c
index acedd3e0e3..46a7ceb3a4 100644
--- a/EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c
+++ b/EmbeddedPkg/Application/AndroidFastboot/Arm/BootAndroidBootImg.c
@@ -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) {
+ // Initialize Linux command line
+ LoadOptions = CatSPrint (NULL, L"%a", KernelArgs);
+ if (LoadOptions == NULL) {
return EFI_OUT_OF_RESOURCES;
}
- // Initialize Legacy Linux loader command line
- LoadOptions = CatSPrint (NULL, LINUX_LOADER_COMMAND_LINE, KernelDevicePathTxt, RamdiskDevicePathTxt, KernelArgs);
- if (LoadOptions == NULL) {
- return EFI_OUT_OF_RESOURCES;
+ 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, LinuxLoaderDevicePath, StrSize (LoadOptions), LoadOptions);
+ 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;
- }
-
- if (RamdiskDevicePath) {
- FreePool (RamdiskDevicePathTxt);
- FreePool (RamdiskDevicePath);
+ Status = EFI_DEVICE_ERROR;
+ goto FreeLoadOptions;
}
- 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;
}