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authorTom Rini <trini@ti.com>2012-08-09 08:22:06 -0700
committerAlbert ARIBAUD <albert.u.boot@aribaud.net>2012-09-01 14:58:19 +0200
commit975b71bc10acb944092456fceb35aca7222addc0 (patch)
treefdd84c3b7b4b71acc7e3104bdd2b1e5038a101f8
parent41aebf810688d606bd43b9ca336bd26d914ad2c8 (diff)
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armv7: Make lowlevel_init.S's lowlevel_init do ABI compatible stack
Make sure that when we setup the stack before calling s_init() we have the stack have 8-byte alignment for ABI compliance. Tested-by: Allen Martin <amartin@nvidia.com> Signed-off-by: Tom Rini <trini@ti.com>
-rw-r--r--arch/arm/cpu/armv7/lowlevel_init.S1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/lowlevel_init.S b/arch/arm/cpu/armv7/lowlevel_init.S
index ef04575..0d45528 100644
--- a/arch/arm/cpu/armv7/lowlevel_init.S
+++ b/arch/arm/cpu/armv7/lowlevel_init.S
@@ -36,6 +36,7 @@ ENTRY(lowlevel_init)
* Setup a temporary stack
*/
ldr sp, =CONFIG_SYS_INIT_SP_ADDR
+ bic sp, sp, #7 /* 8-byte alignment for ABI compliance */
/*
* Save the old lr(passed in ip) and the current lr to stack