From da372af6e40d84e8a47baa41d22dd3e953469b74 Mon Sep 17 00:00:00 2001 From: Mans Rullgard Date: Sat, 21 Apr 2018 16:11:07 +0100 Subject: [PATCH] ARM: arm926ejs: fix lowlevel_init call The code attempts to preserve the value of LR by storing it in R12/IP across the lowevel_init() call. However, this register is not saved by the callee. Use a register that guaranteed to be preserved instead. Signed-off-by: Mans Rullgard --- arch/arm/cpu/arm926ejs/start.S | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/cpu/arm926ejs/start.S b/arch/arm/cpu/arm926ejs/start.S index 959d1ed86d..a6f0bdb703 100644 --- a/arch/arm/cpu/arm926ejs/start.S +++ b/arch/arm/cpu/arm926ejs/start.S @@ -105,9 +105,9 @@ flush_dcache: /* * Go setup Memory and board specific bits prior to relocation. */ - mov ip, lr /* perserve link reg across call */ + mov r4, lr /* perserve link reg across call */ bl lowlevel_init /* go setup pll,mux,memory */ - mov lr, ip /* restore link */ + mov lr, r4 /* restore link */ #endif mov pc, lr /* back to my caller */ #endif /* CONFIG_SKIP_LOWLEVEL_INIT */ -- 2.39.5