[PATCH 09/18] armv8: Support not having separate BSS
Simon Glass
sjg at chromium.org
Wed Aug 28 03:45:28 CEST 2024
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 at chromium.org>
---
arch/arm/cpu/armv8/u-boot-spl.lds | 12 ++++++++++++
1 file changed, 12 insertions(+)
diff --git a/arch/arm/cpu/armv8/u-boot-spl.lds b/arch/arm/cpu/armv8/u-boot-spl.lds
index 215cedd69a8..fed69644b55 100644
--- a/arch/arm/cpu/armv8/u-boot-spl.lds
+++ b/arch/arm/cpu/armv8/u-boot-spl.lds
@@ -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) }
--
2.34.1
More information about the U-Boot
mailing list