From 340d782ab8d80e786b9c6a859a40d89c6a644af9 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Sat, 17 Apr 2010 17:34:34 +0000 Subject: 2010-04-17 Mike Frysinger * cpu.c: Blackfin ABI requires L registers to be 0 upon function entry. --- cpukit/score/cpu/bfin/cpu.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'cpukit/score/cpu/bfin/cpu.c') diff --git a/cpukit/score/cpu/bfin/cpu.c b/cpukit/score/cpu/bfin/cpu.c index 58b96bae54..4afab4ab7c 100644 --- a/cpukit/score/cpu/bfin/cpu.c +++ b/cpukit/score/cpu/bfin/cpu.c @@ -195,6 +195,12 @@ void _CPU_Context_Initialize( the_context->register_sp = stack_high; the_context->register_rets = (uint32_t) entry_point; the_context->imask = new_level ? 0 : 0xffff; + + /* Blackfin C ABI requires L regs to be 0 upon func entry. */ + the_context->register_l0 = 0; + the_context->register_l1 = 0; + the_context->register_l2 = 0; + the_context->register_l3 = 0; } -- cgit v1.2.3