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| author | Philipp Tomsich <philipp.tomsich@theobroma-systems.com> | 2017-03-01 21:04:15 +0100 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-03-01 21:28:34 -0500 |
| commit | 7a70c9985ccf2e7e0016b32c367a922e01b6c1fb (patch) | |
| tree | 14a5c6e489f04a8b5bcbdb3adc628afe7af45b49 | |
| parent | 6b4e9426834580810790ecfa924979d61c5c1987 (diff) | |
| download | u-boot-imx-7a70c9985ccf2e7e0016b32c367a922e01b6c1fb.zip u-boot-imx-7a70c9985ccf2e7e0016b32c367a922e01b6c1fb.tar.gz u-boot-imx-7a70c9985ccf2e7e0016b32c367a922e01b6c1fb.tar.bz2 | |
armv8: spl: Call spl_relocate_stack_gd for ARMv8
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>
| -rw-r--r-- | arch/arm/lib/crt0_64.S | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/arch/arm/lib/crt0_64.S b/arch/arm/lib/crt0_64.S index 19c6a98..57e728f 100644 --- a/arch/arm/lib/crt0_64.S +++ b/arch/arm/lib/crt0_64.S @@ -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 |