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armv8: aarch64: Fix the warning about x1-x3 nonzero issue

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For 64-bit kernel, there is a warning about x1-x3 nonzero in violation
of boot protocol. To fix this issue, input argument 4 is added for
armv8_switch_to_el2 and armv8_switch_to_el1. The input argument 4 will
be set to the right value, such as zero.

Signed-off-by: Alison Wang <alison.wang@nxp.com>
Reviewed-by: Alexander Graf <agraf@suse.de>
Tested-by: Ryan Harkin <ryan.harkin@linaro.org>
Tested-by: Michal Simek <michal.simek@xilinx.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Alison Wang
2017-01-17 09:39:17 +08:00
committed by York Sun
parent 2ca84bf7b2
commit 7c5e1feb1d
8 changed files with 47 additions and 45 deletions
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2
cmd/bootefi.c
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@@ -246,7 +246,7 @@ static unsigned long do_bootefi_exec(void *efi, void *fdt)
/* Move into EL2 and keep running there */
armv8_switch_to_el2((ulong)entry, (ulong)&loaded_image_info,
(ulong)&systab, (ulong)efi_run_in_el2,
(ulong)&systab, 0, (ulong)efi_run_in_el2,
ES_TO_AARCH64);
/* Should never reach here, efi exits with longjmp */