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| author | Roy Franz | 2015-09-24 05:17:54 +0200 |
|---|---|---|
| committer | ard | 2015-12-14 10:38:21 +0100 |
| commit | 81a0bc39ea1960bbf8ece6a895d7cfd2d9efa28a (patch) | |
| tree | 58f4c5c73cc4292b242dce2e0018511f9e18e39e /arch/arm/Kconfig | |
| parent | ARM: wire up UEFI init and runtime support (diff) | |
| download | kernel-qcow2-linux-81a0bc39ea1960bbf8ece6a895d7cfd2d9efa28a.tar.gz kernel-qcow2-linux-81a0bc39ea1960bbf8ece6a895d7cfd2d9efa28a.tar.xz kernel-qcow2-linux-81a0bc39ea1960bbf8ece6a895d7cfd2d9efa28a.zip | |
ARM: add UEFI stub support
This patch adds EFI stub support for the ARM Linux kernel.
The EFI stub operates similarly to the x86 and arm64 stubs: it is a
shim between the EFI firmware and the normal zImage entry point, and
sets up the environment that the zImage is expecting. This includes
optionally loading the initrd and device tree from the system partition
based on the kernel command line.
Signed-off-by: Roy Franz <roy.franz@linaro.org>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Reviewed-by: Matt Fleming <matt@codeblueprint.co.uk>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Diffstat (limited to 'arch/arm/Kconfig')
| -rw-r--r-- | arch/arm/Kconfig | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 446e49b56e6a..67f8303d513d 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -2041,6 +2041,25 @@ config AUTO_ZRELADDR 0xf8000000. This assumes the zImage being placed in the first 128MB from start of memory. +config EFI_STUB + bool + +config EFI + bool "UEFI runtime support" + depends on OF && !CPU_BIG_ENDIAN && MMU && AUTO_ZRELADDR && !XIP_KERNEL + select UCS2_STRING + select EFI_PARAMS_FROM_FDT + select EFI_STUB + select EFI_ARMSTUB + select EFI_RUNTIME_WRAPPERS + ---help--- + This option provides support for runtime services provided + by UEFI firmware (such as non-volatile variables, realtime + clock, and platform reset). A UEFI stub is also provided to + allow the kernel to be booted as an EFI application. This + is only useful for kernels that may run on systems that have + UEFI firmware. + endmenu menu "CPU Power Management" |