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arm64: Add missing GD_FLG_SKIP_RELOC handling

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In case U-Boot enters relocation with GD_FLG_SKIP_RELOC, skip the
relocation. The code still has to set up new_gd pointer and new
stack pointer.

Signed-off-by: Marek Vasut <marek.vasut+renesas@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Tom Rini <trini@konsulko.com>
This commit is contained in:
Marek Vasut 2021-11-13 18:34:59 +01:00 committed by Tom Rini
parent bd994c007a
commit b1f3f982fa
2 changed files with 7 additions and 0 deletions
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4
arch/arm/lib/crt0_64.S
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@ -104,6 +104,10 @@ ENTRY(_main)
bic sp, x0, #0xf /* 16-byte alignment for ABI compliance */
ldr x18, [x18, #GD_NEW_GD] /* x18 <- gd->new_gd */
/* Skip relocation in case gd->gd_flags & GD_FLG_SKIP_RELOC */
ldr x0, [x18, #GD_FLAGS] /* x0 <- gd->flags */
tbnz x0, 11, relocation_return /* GD_FLG_SKIP_RELOC is bit 11 */
adr lr, relocation_return
#if CONFIG_POSITION_INDEPENDENT
/* Add in link-vs-runtime offset */

3
lib/asm-offsets.c
View file

@ -29,6 +29,9 @@ int main(void)
DEFINE(GD_SIZE, sizeof(struct global_data));
DEFINE(GD_BD, offsetof(struct global_data, bd));
DEFINE(GD_FLAGS, offsetof(struct global_data, flags));
#if CONFIG_VAL(SYS_MALLOC_F_LEN)
DEFINE(GD_MALLOC_BASE, offsetof(struct global_data, malloc_base));
#endif