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[83.52.172.117]) by smtp.gmail.com with ESMTPSA id g5sm7492870wmi.4.2020.10.17.07.03.45 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 17 Oct 2020 07:03:46 -0700 (PDT) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Subject: [PULL 13/44] target/mips/op_helper: Log unimplemented cache opcode Date: Sat, 17 Oct 2020 16:02:12 +0200 Message-Id: <20201017140243.1078718-14-f4bug@amsat.org> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201017140243.1078718-1-f4bug@amsat.org> References: <20201017140243.1078718-1-f4bug@amsat.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::436; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wr1-x436.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -14 X-Spam_score: -1.5 X-Spam_bar: - X-Spam_report: (-1.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FORGED_FROMDOMAIN=0.25, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.25, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Aleksandar Rikalo , Paul Burton , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , =?UTF-8?q?Herv=C3=A9=20Poussineau?= , Huacai Chen , Aurelien Jarno Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" In case the guest uses a cache opcode we are not expecting, log it to give us a chance to notice it, in case we should actually do something. Signed-off-by: Philippe Mathieu-Daudé Reviewed-by: Richard Henderson Reviewed-by: Jiaxun Yang Message-Id: <20200813181527.22551-4-f4bug@amsat.org> --- target/mips/op_helper.c | 9 +++++++++ 1 file changed, 9 insertions(+) diff --git a/target/mips/op_helper.c b/target/mips/op_helper.c index 2496d1dd718..0050d0616b6 100644 --- a/target/mips/op_helper.c +++ b/target/mips/op_helper.c @@ -1574,6 +1574,13 @@ void helper_msa_st_d(CPUMIPSState *env, uint32_t wd, void helper_cache(CPUMIPSState *env, target_ulong addr, uint32_t op) { #ifndef CONFIG_USER_ONLY + static const char *const type_name[] = { + "Primary Instruction", + "Primary Data or Unified Primary", + "Tertiary", + "Secondary" + }; + uint32_t cache_type = extract32(op, 0, 2); uint32_t cache_operation = extract32(op, 2, 3); target_ulong index = addr & 0x1fffffff; @@ -1592,6 +1599,8 @@ void helper_cache(CPUMIPSState *env, target_ulong addr, uint32_t op) /* no-op */ break; default: + qemu_log_mask(LOG_UNIMP, "cache operation:%u (type: %s cache)\n", + cache_operation, type_name[cache_type]); break; } #endif -- 2.26.2