From d3cb6e2b062f69e0a40f21b74a42f5c5a3422174 Mon Sep 17 00:00:00 2001 From: Peter Maydell Date: Fri, 13 Jan 2012 17:25:08 +0000 Subject: target-arm: Fix errors in decode of M profile CPS Fix errors in the decode of M profile CPS: * the decode of the I (affects PRIMASK) and F (affects FAULTMASK) bits was reversed * the FAULTMASK system register number is 19, not 17 This fixes an issue reported as LP:913925. Signed-off-by: Peter Maydell --- target-arm/translate.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) (limited to 'target-arm') diff --git a/target-arm/translate.c b/target-arm/translate.c index f91553a48a..280bfca62b 100644 --- a/target-arm/translate.c +++ b/target-arm/translate.c @@ -9710,15 +9710,15 @@ static void disas_thumb_insn(CPUState *env, DisasContext *s) break; if (IS_M(env)) { tmp = tcg_const_i32((insn & (1 << 4)) != 0); - /* PRIMASK */ + /* FAULTMASK */ if (insn & 1) { - addr = tcg_const_i32(16); + addr = tcg_const_i32(19); gen_helper_v7m_msr(cpu_env, addr, tmp); tcg_temp_free_i32(addr); } - /* FAULTMASK */ + /* PRIMASK */ if (insn & 2) { - addr = tcg_const_i32(17); + addr = tcg_const_i32(16); gen_helper_v7m_msr(cpu_env, addr, tmp); tcg_temp_free_i32(addr); } -- cgit v1.2.3