From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34850) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fVbtC-0002Vr-CE for qemu-devel@nongnu.org; Wed, 20 Jun 2018 08:07:12 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fVbt8-0003Jp-De for qemu-devel@nongnu.org; Wed, 20 Jun 2018 08:07:06 -0400 Received: from 9pmail.ess.barracuda.com ([64.235.150.224]:33281) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fVbt8-0003HG-7L for qemu-devel@nongnu.org; Wed, 20 Jun 2018 08:07:02 -0400 From: Yongbok Kim Date: Wed, 20 Jun 2018 13:05:46 +0100 Message-ID: <20180620120620.12806-2-yongbok.kim@mips.com> In-Reply-To: <20180620120620.12806-1-yongbok.kim@mips.com> References: <20180620120620.12806-1-yongbok.kim@mips.com> MIME-Version: 1.0 Content-Type: text/plain Subject: [Qemu-devel] [PATCH 01/35] target/mips: Raise a RI when given fs is n/a from CTC1 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aurelien@aurel32.net, Aleksandar.Markovic@mips.com, James.Hogan@mips.com, Paul.Burton@mips.com, Matthew.Fortune@mips.com, Stefan.Markovic@mips.com From: Yongbok Kim Fix to raise a Reserved Instruction exception when given fs is not available from CTC1. Signed-off-by: Yongbok Kim --- target/mips/op_helper.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c index 9025f42..41d3634 100644 --- a/target/mips/op_helper.c +++ b/target/mips/op_helper.c @@ -2627,6 +2627,9 @@ void helper_ctc1(CPUMIPSState *env, target_ulong arg1, uint32_t fs, uint32_t rt) (env->active_fpu.fcr31 & ~(env->active_fpu.fcr31_rw_bitmask)); break; default: + if (env->insn_flags & ISA_MIPS32R6) { + do_raise_exception(env, EXCP_RI, GETPC()); + } return; } restore_fp_status(env); -- 1.9.1