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efi/libstub: Move Graphics Output Protocol handling to generic code

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The Graphics Output Protocol code executes in the stub, so create a generic
version based on the x86 version in libstub so that we can move other archs
to it in subsequent patches. The new source file gop.c is added to the
libstub build for all architectures, but only wired up for x86.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Matt Fleming <matt@codeblueprint.co.uk>
Cc: Borislav Petkov <bp@alien8.de>
Cc: David Herrmann <dh.herrmann@gmail.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Peter Jones <pjones@redhat.com>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Will Deacon <will.deacon@arm.com>
Cc: linux-efi@vger.kernel.org
Link: http://lkml.kernel.org/r/1461614832-17633-18-git-send-email-matt@codeblueprint.co.uk
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Ard Biesheuvel
2016-04-25 21:06:49 +01:00
committed by Ingo Molnar
parent 2c23b73c2d
commit fc37206427
7 changed files with 441 additions and 400 deletions
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4
arch/arm/include/asm/efi.h
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@@ -60,7 +60,9 @@ void efi_virtmap_unload(void);
/* arch specific definitions used by the stub code */
#define efi_call_early(f, ...) sys_table_arg->boottime->f(__VA_ARGS__)
#define efi_call_early(f, ...) sys_table_arg->boottime->f(__VA_ARGS__)
#define __efi_call_early(f, ...) f(__VA_ARGS__)
#define efi_is_64bit() (false)
/*
* A reasonable upper bound for the uncompressed kernel size is 32 MBytes,