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armv8: update gd after relocate

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We need to update gd in assamble code after relocate,
this is a fix to:
adc421e arm: move gd handling outside of C code

Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
Reviewed-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
This commit is contained in:
Kever Yang 2017-11-03 10:10:27 +08:00 • committed by Tom Rini
parent 49e93875a6
commit 21f4486faa
1 changed files with 2 additions and 0 deletions
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2
arch/arm/lib/crt0_64.S
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@ -120,6 +120,8 @@ relocation_return:
#endif /* !CONFIG_SPL_BUILD */ #endif /* !CONFIG_SPL_BUILD */
#if defined(CONFIG_SPL_BUILD) #if defined(CONFIG_SPL_BUILD)
bl spl_relocate_stack_gd /* may return NULL */ bl spl_relocate_stack_gd /* may return NULL */
/* set up gd here, outside any C code */
mov x18, x0
/* /*
* Perform 'sp = (x0 != NULL) ? x0 : sp' while working * Perform 'sp = (x0 != NULL) ? x0 : sp' while working
* around the constraint that conditional moves can not * around the constraint that conditional moves can not