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armv8: spl: Call spl_relocate_stack_gd for ARMv8

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As part of the startup process for boards using the SPL, we need to
call spl_relocate_stack_gd. This is needed to set up malloc with its
DRAM buffer.

Signed-off-by: Philipp Tomsich <philipp.tomsich@theobroma-systems.com>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Philipp Tomsich 2017-03-01 21:04:15 +01:00 committed by Tom Rini
parent 6b4e942683
commit 7a70c9985c
1 changed files with 12 additions and 2 deletions
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14
arch/arm/lib/crt0_64.S
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@ -109,8 +109,18 @@ relocation_return:
*/
bl c_runtime_cpu_setup /* still call old routine */
#endif /* !CONFIG_SPL_BUILD */
/* TODO: For SPL, call spl_relocate_stack_gd() to alloc stack relocation */
#if defined(CONFIG_SPL_BUILD)
bl spl_relocate_stack_gd /* may return NULL */
/*
* Perform 'sp = (x0 != NULL) ? x0 : sp' while working
* around the constraint that conditional moves can not
* have 'sp' as an operand
*/
mov x1, sp
cmp x0, #0
csel x0, x0, x1, ne
mov sp, x0
#endif
/*
* Clear BSS section