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armv8: Support not having separate BSS

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Separate BSS is current mandatory on armv8 but this is not useful for
early boot phases. Add support for the combined BSS.

Use an #ifdef to avoid using CONFIG_SPL_BSS_START_ADDR which is not
valid in this case.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
This commit is contained in:
Simon Glass 2024-09-20 09:24:33 +02:00 committed by Tom Rini
parent 5d93d8137d
commit a3403e6fbf
1 changed files with 12 additions and 0 deletions
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12
arch/arm/cpu/armv8/u-boot-spl.lds
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@ -13,8 +13,10 @@
MEMORY { .sram : ORIGIN = IMAGE_TEXT_BASE,
LENGTH = IMAGE_MAX_SIZE }
#ifdef CONFIG_SPL_SEPARATE_BSS
MEMORY { .sdram : ORIGIN = CONFIG_SPL_BSS_START_ADDR,
LENGTH = CONFIG_SPL_BSS_MAX_SIZE }
#endif
OUTPUT_FORMAT("elf64-littleaarch64", "elf64-littleaarch64", "elf64-littleaarch64")
OUTPUT_ARCH(aarch64)
@ -56,12 +58,22 @@ SECTIONS
_end = .;
_image_binary_end = .;
#ifdef CONFIG_SPL_SEPARATE_BSS
.bss : {
__bss_start = .;
*(.bss*)
. = ALIGN(8);
__bss_end = .;
} >.sdram
#else
.bss (NOLOAD) : {
__bss_start = .;
*(.bss*)
. = ALIGN(8);
__bss_end = .;
} >.sram
#endif
__bss_size = __bss_end - __bss_start;
/DISCARD/ : { *(.rela*) }
/DISCARD/ : { *(.dynsym) }