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[83.35.24.93]) by smtp.gmail.com with ESMTPSA id z8sm15426788wrw.18.2021.06.28.11.46.40 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 28 Jun 2021 11:46:40 -0700 (PDT) Subject: Re: [PATCH 06/20] target/loongarch: Add main translation routines To: Song Gao , qemu-devel@nongnu.org References: <1624881885-31692-1-git-send-email-gaosong@loongson.cn> <1624881885-31692-7-git-send-email-gaosong@loongson.cn> From: =?UTF-8?Q?Philippe_Mathieu-Daud=c3=a9?= Message-ID: <3b3ad9db-ed86-1ef4-5653-1c7106bc5bfd@amsat.org> Date: Mon, 28 Jun 2021 20:46:39 +0200 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.11.0 MIME-Version: 1.0 In-Reply-To: <1624881885-31692-7-git-send-email-gaosong@loongson.cn> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Received-SPF: pass client-ip=2a00:1450:4864:20::32e; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-wm1-x32e.google.com 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=0.248, FREEMAIL_FROM=0.001, HEADER_FROM_DIFFERENT_DOMAINS=0.249, NICE_REPLY_A=-0.001, 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: peter.maydell@linaro.org, thuth@redhat.com, richard.henderson@linaro.org, laurent@vivier.eu, maobibo@loongson.cn, alistair.francis@wdc.com, pbonzini@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On 6/28/21 2:04 PM, Song Gao wrote: > This patch add main translation routines and > basic functions for translation. > > Signed-off-by: Song Gao > --- > target/loongarch/helper.h | 10 + > target/loongarch/op_helper.c | 28 +++ > target/loongarch/translate.c | 537 +++++++++++++++++++++++++++++++++++++++++++ > target/loongarch/translate.h | 58 +++++ > 4 files changed, 633 insertions(+) > create mode 100644 target/loongarch/helper.h > create mode 100644 target/loongarch/op_helper.c > create mode 100644 target/loongarch/translate.c > create mode 100644 target/loongarch/translate.h > +/* 128 and 256 msa vector instructions are not supported yet */ > +static bool decode_lsx(uint32_t opcode) > +{ > + uint32_t value = (opcode & 0xff000000); > + > + if ((opcode & 0xf0000000) == 0x70000000) { > + return true; > + } else if ((opcode & 0xfff00000) == 0x38400000) { > + return true; > + } else { > + switch (value) { > + case 0x09000000: > + case 0x0a000000: > + case 0x0e000000: > + case 0x0f000000: > + case 0x2c000000: > + case 0x30000000: > + case 0x31000000: > + case 0x32000000: > + case 0x33000000: > + return true; > + } > + } > + return false; > +} Why not generate that with the decodetree script?