[U-Boot] [PATCH 2/2] armv8: add asserts of sizes to u-boot-spl.lds

[Oded Gabbay <oded.gabbay@gmail.com>]

This patch copies from arm u-boot-spl.lds some asserts that check that the
size of the SPL image and BSS doesn't violate their max size.

Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Cc: Albert Aribaud <albert.u.boot@aribaud.net>
---
 arch/arm/cpu/armv8/u-boot-spl.lds | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/arch/arm/cpu/armv8/u-boot-spl.lds b/arch/arm/cpu/armv8/u-boot-spl.lds
index e7799cc..0876a94 100644
--- a/arch/arm/cpu/armv8/u-boot-spl.lds
+++ b/arch/arm/cpu/armv8/u-boot-spl.lds
@@ -78,3 +78,22 @@ SECTIONS
 	/DISCARD/ : { *(.interp*) }
 	/DISCARD/ : { *(.gnu*) }
 }
+
+#if defined(CONFIG_SPL_MAX_SIZE)
+ASSERT(__image_copy_end - __image_copy_start < (CONFIG_SPL_MAX_SIZE), \
+	"SPL image too big");
+#endif
+
+#if defined(CONFIG_SPL_BSS_MAX_SIZE) && defined(CONFIG_SPL_MAX_FOOTPRINT)
+ASSERT(0, "CONFIG_SPL_BSS_MAX_SIZE and CONFIG_SPL_MAX_FOOTPRINT must not be defined together");
+#endif
+
+#if defined(CONFIG_SPL_BSS_MAX_SIZE)
+ASSERT(__bss_end - __bss_start < (CONFIG_SPL_BSS_MAX_SIZE), \
+	"SPL image BSS too big");
+#endif
+
+#if defined(CONFIG_SPL_MAX_FOOTPRINT)
+ASSERT(__bss_end - _start < (CONFIG_SPL_MAX_FOOTPRINT), \
+	"SPL image plus BSS too big");
+#endif
-- 
2.7.4