From bbaeb7ac2200c6505a76f1bf5ba85cfe58fb750b Mon Sep 17 00:00:00 2001
From: "Eugen.Hristev@microchip.com" <Eugen.Hristev@microchip.com>
Date: Wed, 28 Nov 2018 09:33:43 +0000
Subject: ARM: at91: lds: add test for SPL binary size and bss size

Add test for the SPL binary size and the bss section size.
This will throw an error at build time if the SPL sections
do not fit in the designated RAM area, thus avoiding oversizing the SPL.

Based on original work by Wenyou Yang.

Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
---
 arch/arm/mach-at91/arm926ejs/u-boot-spl.lds | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'arch/arm/mach-at91')

diff --git a/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds b/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
index eca78f8104..b714e93b3b 100644
--- a/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
+++ b/arch/arm/mach-at91/arm926ejs/u-boot-spl.lds
@@ -48,3 +48,13 @@ SECTIONS
 		__bss_end = .;
 	} >.sdram
 }
+
+#if defined(CONFIG_SPL_MAX_SIZE)
+ASSERT(__image_copy_end - __start < (CONFIG_SPL_MAX_SIZE), \
+	"SPL image too big");
+#endif
+
+#if defined(CONFIG_SPL_BSS_MAX_SIZE)
+ASSERT(__bss_end - __bss_start < (CONFIG_SPL_BSS_MAX_SIZE), \
+	"SPL image BSS too big");
+#endif
-- 
cgit