This set adds support for UEFI platforms 32-bit ARM platforms,
consisting of:
- UEFI stub support
Turns the kernel into a UEFI executable, able to launch without a
dedicated bootloader.
- UEFI runtime services
Lets the kernel interact with services provided by firmware.
(Used by 'efibootmgr' application.)
- UEFI system descriptions
For now, adds the ability to extract information about available
RAM from UEFI rather than hard-wired in .dtb or on command line.
This set depends on:
- Ard Biesheuvel "efi: efistub: Convert into static library"
About to go into linux-next, aiming for 3.17.
- Mark Salter "arm: use generic fixmap.h"
- Mark Salter "arm: add early_ioremap support"
The bits shared with arm64 went into 3.16-rc1.
Changes from previous version:
- Stub and runtime services support now merged (like on arm64) - they
are no longer functionally separable.
- Some fixes and cleanup.
Leif Lindholm (4):
arm: break part of __soft_restart out into separate function
arm: add new asm macro update_sctlr
arm: efi: use strcmp instead of strncmp for fdt parsing
init: efi: arm: enable (U)EFI runtime services on arm
Roy Franz (3):
arm: add strstr to compressed string.c
arm: Disable stack protection for decompressor/stub
arm: add [U]EFI support
arch/arm/Kconfig | 21 ++
arch/arm/boot/compressed/.gitignore | 2 +
arch/arm/boot/compressed/Makefile | 23 +-
arch/arm/boot/compressed/efi-header.S | 117 +++++++++
arch/arm/boot/compressed/efi-stub.c | 92 +++++++
arch/arm/boot/compressed/head.S | 78 +++++-
arch/arm/boot/compressed/string.c | 21 ++
arch/arm/include/asm/assembler.h | 14 ++
arch/arm/include/asm/efi.h | 47 ++++
arch/arm/include/asm/idmap.h | 1 +
arch/arm/kernel/Makefile | 2 +
arch/arm/kernel/efi.c | 435 +++++++++++++++++++++++++++++++++
arch/arm/kernel/efi_phys.S | 66 +++++
arch/arm/kernel/process.c | 12 +-
arch/arm/kernel/setup.c | 7 +-
arch/arm/mm/idmap.c | 15 ++
drivers/firmware/efi/libstub/fdt.c | 5 +-
init/main.c | 4 +
18 files changed, 938 insertions(+), 24 deletions(-)
create mode 100644 arch/arm/boot/compressed/efi-header.S
create mode 100644 arch/arm/boot/compressed/efi-stub.c
create mode 100644 arch/arm/include/asm/efi.h
create mode 100644 arch/arm/kernel/efi.c
create mode 100644 arch/arm/kernel/efi_phys.S
--
1.7.10.4
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