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[81.2.115.148]) by smtp.gmail.com with ESMTPSA id d15sm18985662wri.58.2021.06.15.08.44.25 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 15 Jun 2021 08:44:25 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 25/28] target/arm: Add framework for MVE decode Date: Tue, 15 Jun 2021 16:44:02 +0100 Message-Id: <20210615154405.21399-26-peter.maydell@linaro.org> X-Mailer: git-send-email 2.20.1 In-Reply-To: <20210615154405.21399-1-peter.maydell@linaro.org> References: <20210615154405.21399-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2a00:1450:4864:20::436; envelope-from=peter.maydell@linaro.org; helo=mail-wr1-x436.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add the framework for decoding MVE insns, with the necessary new files and the meson.build rules, but no actual content yet. Signed-off-by: Peter Maydell Reviewed-by: Richard Henderson Message-id: 20210614151007.4545-11-peter.maydell@linaro.org --- target/arm/translate-a32.h | 1 + target/arm/mve.decode | 20 ++++++++++++++++++++ target/arm/translate-mve.c | 29 +++++++++++++++++++++++++++++ target/arm/translate.c | 1 + target/arm/meson.build | 2 ++ 5 files changed, 53 insertions(+) create mode 100644 target/arm/mve.decode create mode 100644 target/arm/translate-mve.c diff --git a/target/arm/translate-a32.h b/target/arm/translate-a32.h index c946ac440ce..0a0053949f5 100644 --- a/target/arm/translate-a32.h +++ b/target/arm/translate-a32.h @@ -22,6 +22,7 @@ /* Prototypes for autogenerated disassembler functions */ bool disas_m_nocp(DisasContext *dc, uint32_t insn); +bool disas_mve(DisasContext *dc, uint32_t insn); bool disas_vfp(DisasContext *s, uint32_t insn); bool disas_vfp_uncond(DisasContext *s, uint32_t insn); bool disas_neon_dp(DisasContext *s, uint32_t insn); diff --git a/target/arm/mve.decode b/target/arm/mve.decode new file mode 100644 index 00000000000..c8492bb5763 --- /dev/null +++ b/target/arm/mve.decode @@ -0,0 +1,20 @@ +# M-profile MVE instruction descriptions +# +# Copyright (c) 2021 Linaro, Ltd +# +# This library is free software; you can redistribute it and/or +# modify it under the terms of the GNU Lesser General Public +# License as published by the Free Software Foundation; either +# version 2.1 of the License, or (at your option) any later version. +# +# This library is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +# Lesser General Public License for more details. +# +# You should have received a copy of the GNU Lesser General Public +# License along with this library; if not, see . + +# +# This file is processed by scripts/decodetree.py +# diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c new file mode 100644 index 00000000000..e91f526a1a8 --- /dev/null +++ b/target/arm/translate-mve.c @@ -0,0 +1,29 @@ +/* + * ARM translation: M-profile MVE instructions + * + * Copyright (c) 2021 Linaro, Ltd. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, see . + */ + +#include "qemu/osdep.h" +#include "tcg/tcg-op.h" +#include "tcg/tcg-op-gvec.h" +#include "exec/exec-all.h" +#include "exec/gen-icount.h" +#include "translate.h" +#include "translate-a32.h" + +/* Include the generated decoder */ +#include "decode-mve.c.inc" diff --git a/target/arm/translate.c b/target/arm/translate.c index a51e882b867..9e2cca77077 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -8919,6 +8919,7 @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn) if (disas_t32(s, insn) || disas_vfp_uncond(s, insn) || disas_neon_shared(s, insn) || + disas_mve(s, insn) || ((insn >> 28) == 0xe && disas_vfp(s, insn))) { return; } diff --git a/target/arm/meson.build b/target/arm/meson.build index 5bfaf43b500..2b50be3f862 100644 --- a/target/arm/meson.build +++ b/target/arm/meson.build @@ -6,6 +6,7 @@ gen = [ decodetree.process('vfp.decode', extra_args: '--decode=disas_vfp'), decodetree.process('vfp-uncond.decode', extra_args: '--decode=disas_vfp_uncond'), decodetree.process('m-nocp.decode', extra_args: '--decode=disas_m_nocp'), + decodetree.process('mve.decode', extra_args: '--decode=disas_mve'), decodetree.process('a32.decode', extra_args: '--static-decode=disas_a32'), decodetree.process('a32-uncond.decode', extra_args: '--static-decode=disas_a32_uncond'), decodetree.process('t32.decode', extra_args: '--static-decode=disas_t32'), @@ -27,6 +28,7 @@ arm_ss.add(files( 'tlb_helper.c', 'translate.c', 'translate-m-nocp.c', + 'translate-mve.c', 'translate-neon.c', 'translate-vfp.c', 'vec_helper.c', -- 2.20.1