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From: Max Filippov <jcmvbkbc@gmail.com>
To: qemu-devel@nongnu.org
Cc: Max Filippov <jcmvbkbc@gmail.com>
Subject: [Qemu-devel] [PATCH] target-xtensa: raise an exception for invalid and reserved opcodes
Date: Tue, 25 Oct 2011 20:44:20 +0400	[thread overview]
Message-ID: <1319561060-6472-1-git-send-email-jcmvbkbc@gmail.com> (raw)

This includes opcodes from disabled features and those marked reserved in the ISA.

Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
---
 target-xtensa/translate.c |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)

diff --git a/target-xtensa/translate.c b/target-xtensa/translate.c
index 1688bb2..792eff1 100644
--- a/target-xtensa/translate.c
+++ b/target-xtensa/translate.c
@@ -2378,6 +2378,7 @@ static void disas_xtensa_insn(DisasContext *dc)
 
 invalid_opcode:
     qemu_log("INVALID(pc = %08x)\n", dc->pc);
+    gen_exception_cause(dc, ILLEGAL_INSTRUCTION_CAUSE);
     dc->pc = dc->next_pc;
 #undef HAS_OPTION
 }
-- 
1.7.6.4

             reply	other threads:[~2011-10-25 16:44 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-10-25 16:44 Max Filippov [this message]
2011-10-25 16:51 ` [Qemu-devel] [PATCH] target-xtensa: raise an exception for invalid and reserved opcodes Peter Maydell
2011-10-25 17:24   ` Max Filippov
2011-10-25 17:41     ` Richard Henderson
2011-10-25 19:24       ` [Qemu-devel] [PATCH v2] " Max Filippov

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