From: Michal Simek <michal.simek@xilinx.com>
Date: Tue, 8 Dec 2015 13:34:13 +0000 (+0100)
Subject: microblaze: Make room for malloc before ELF
X-Git-Tag: v2016.01-rc3~17^2~5
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=4fcd0b33c7a0db2e86cccdc1831db235a6bc1b2d;p=oweals%2Fu-boot.git

microblaze: Make room for malloc before ELF

Create space below u-boot binary for early malloc.
It means memory layout is stack grows down, space for early malloc,
u-boot code.

Signed-off-by: Michal Simek <michal.simek@xilinx.com>
---

diff --git a/include/configs/microblaze-generic.h b/include/configs/microblaze-generic.h
index 06f6ed1fc0..a48c8d6094 100644
--- a/include/configs/microblaze-generic.h
+++ b/include/configs/microblaze-generic.h
@@ -121,7 +121,8 @@
 #endif
 
 /* Stack location before relocation */
-#define CONFIG_SYS_INIT_SP_OFFSET	CONFIG_SYS_TEXT_BASE
+#define CONFIG_SYS_INIT_SP_OFFSET	(CONFIG_SYS_TEXT_BASE - \
+					 CONFIG_SYS_MALLOC_F_LEN)
 
 /*
  * CFI flash memory layout - Example