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arm64: efi: add missing frame pointer assignment

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The prologue of the EFI entry point pushes x29 and x30 onto the stack but
fails to create the stack frame correctly by omitting the assignment of x29
to the new value of the stack pointer. So fix that.

Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
This commit is contained in:
Ard Biesheuvel 2016-03-03 17:31:32 +01:00 committed by Catalin Marinas
parent 1cc6ed90dd
commit cd1b76bb73
1 changed files with 1 additions and 0 deletions
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arch/arm64/kernel/efi-entry.S
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@ -35,6 +35,7 @@ ENTRY(entry)
* for image_addr variable passed to efi_entry().
*/
stp x29, x30, [sp, #-32]!
mov x29, sp
/*
* Call efi_entry to do the real work.