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[176.184.43.163]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-432aa5b5e56sm231254545e9.2.2024.11.11.14.44.59 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Mon, 11 Nov 2024 14:45:00 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1731365100; x=1731969900; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=3Av27Bjt8cybhsQ4Vyiv9pdkNpya1Ty2tMw+JzIarjo=; b=gUZrE9VoAQBKWv1BVBya8gg5yKfG8L/Y89E1TFqfGacaieOoAaHEm0tiv7LBpcifyn uWj/ujweAbd7e/tKokgE4Po7ajMW/wOFLig2h2n6R9OSJRETih0wOl4fxEOHeEr2fg9j MnCCCs2f1Z1n0uNvYMNr08b2diFQ6kr6i5g24tFvhUeQ4WY1C5b2nQoJH5+Ii1+4L1+z DPh4aDWsvp0iE885Hl6AxgvxhoIj4PKnJaZdVUAfjy7l/DOd0xaJSr87z301DvnOJ7S1 RQXeE/ncv68ZV92nf7fanEy/LDgNMRrXi2Cnm2si38nOnzyw3FNKOVhccHnt/ZqTZH72 lMIw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1731365100; x=1731969900; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=3Av27Bjt8cybhsQ4Vyiv9pdkNpya1Ty2tMw+JzIarjo=; b=ftFV3YwKCowtWo//rVkajTf0tX94HqlIhFVmtupLzbgio6YCvV9fseZ+QhD63bPgcJ wy6RtyrkP9aRLl2jt3EvbY7KH4lkv73JZoSBMW6IpcemhjNo9oar+BTYOpPeA/pNz+8R 4MRWfWIyT3MZJz0f1UVE+iHqOR/MfMH9ZIaSd/biS5z8/esueMf79jMw8leZdT9CeHlX K4nS0swdDfX8OOK16bXG/Sa4Bik1O+u9ScF8+0hErx+QZ0s81UwCeKjBy61l6ejmoy1+ LsaD0x1Ql/9zcnH500aAmCNPOx+T4fE1+QMsmX/WjnqhCpXcqFbfUc7zY2RzVo7sYMDE T+mA== X-Gm-Message-State: AOJu0YyoNxkLMJU9yiztBSMhM46OdygadUyNa8D/23C+ffPuym5/hzAm IhWtEMqbBzYziMz+eytb4SDQAtmfcarJzpNtD5Dbm3x0l+cxQ8MOyEQsymLBAT5pJuO3wBBcxxV u X-Google-Smtp-Source: AGHT+IGeGZugQaBArXVCl9MMnaTVGCjiANOqdxOhD23KuUAQMwJffltYx5q5WkOVu2sBzgRUtX3zlQ== X-Received: by 2002:a05:6000:1547:b0:374:c8e5:d568 with SMTP id ffacd0b85a97d-382081245e6mr190223f8f.29.1731365100587; Mon, 11 Nov 2024 14:45:00 -0800 (PST) From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Aleksandar Rikalo , Aurelien Jarno , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Jiaxun Yang , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH 1/2] target/mips: Introduce decode tree bindings for nanoMIPS ISA Date: Mon, 11 Nov 2024 23:44:51 +0100 Message-ID: <20241111224452.61276-2-philmd@linaro.org> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20241111224452.61276-1-philmd@linaro.org> References: <20241111224452.61276-1-philmd@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::336; envelope-from=philmd@linaro.org; helo=mail-wm1-x336.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: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1731365134080116600 From: Philippe Mathieu-Daud=C3=A9 Introduce the nanoMIPS decodetree configs for the 16-bit and 32-bit instructions. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- target/mips/tcg/translate.h | 2 ++ target/mips/tcg/nanomips16.decode | 8 ++++++++ target/mips/tcg/nanomips32.decode | 8 ++++++++ target/mips/tcg/nanomips_translate.c | 14 ++++++++++++++ target/mips/tcg/nanomips_translate.c.inc | 7 +++++++ target/mips/tcg/meson.build | 3 +++ 6 files changed, 42 insertions(+) create mode 100644 target/mips/tcg/nanomips16.decode create mode 100644 target/mips/tcg/nanomips32.decode create mode 100644 target/mips/tcg/nanomips_translate.c diff --git a/target/mips/tcg/translate.h b/target/mips/tcg/translate.h index a65ab4a747..f93bceb82a 100644 --- a/target/mips/tcg/translate.h +++ b/target/mips/tcg/translate.h @@ -222,6 +222,8 @@ bool decode_ase_mxu(DisasContext *ctx, uint32_t insn); bool decode_64bit_enabled(DisasContext *ctx); =20 /* decodetree generated */ +bool decode_isa_nanomips16(DisasContext *ctx, uint16_t insn); +bool decode_isa_nanomips32(DisasContext *ctx, uint32_t insn); bool decode_isa_rel6(DisasContext *ctx, uint32_t insn); bool decode_ase_msa(DisasContext *ctx, uint32_t insn); bool decode_ext_txx9(DisasContext *ctx, uint32_t insn); diff --git a/target/mips/tcg/nanomips16.decode b/target/mips/tcg/nanomips16= .decode new file mode 100644 index 0000000000..81fdc68e98 --- /dev/null +++ b/target/mips/tcg/nanomips16.decode @@ -0,0 +1,8 @@ +# nanoMIPS32 16-bit instruction set extensions +# +# Copyright (C) 2021 Philippe Mathieu-Daud=C3=A9 +# +# SPDX-License-Identifier: LGPL-2.1-or-later +# +# Reference: nanoMIPS32 Instruction Set Technical Reference Manual +# (Document Number: MD01247) diff --git a/target/mips/tcg/nanomips32.decode b/target/mips/tcg/nanomips32= .decode new file mode 100644 index 0000000000..9cecf1e13d --- /dev/null +++ b/target/mips/tcg/nanomips32.decode @@ -0,0 +1,8 @@ +# nanoMIPS32 32-bit instruction set extensions +# +# Copyright (C) 2021 Philippe Mathieu-Daud=C3=A9 +# +# SPDX-License-Identifier: LGPL-2.1-or-later +# +# Reference: nanoMIPS32 Instruction Set Technical Reference Manual +# (Document Number: MD01247) diff --git a/target/mips/tcg/nanomips_translate.c b/target/mips/tcg/nanomip= s_translate.c new file mode 100644 index 0000000000..c148c13ed9 --- /dev/null +++ b/target/mips/tcg/nanomips_translate.c @@ -0,0 +1,14 @@ +/* + * MIPS emulation for QEMU - nanoMIPS translation routines + * + * Copyright (c) 2021 Philippe Mathieu-Daud=C3=A9 + * + * SPDX-License-Identifier: LGPL-2.1-or-later + */ + +#include "qemu/osdep.h" +#include "translate.h" + +/* Include the auto-generated decoders. */ +#include "decode-nanomips16.c.inc" +#include "decode-nanomips32.c.inc" diff --git a/target/mips/tcg/nanomips_translate.c.inc b/target/mips/tcg/nan= omips_translate.c.inc index 1e274143bb..e401b92bfd 100644 --- a/target/mips/tcg/nanomips_translate.c.inc +++ b/target/mips/tcg/nanomips_translate.c.inc @@ -4482,6 +4482,13 @@ static int decode_isa_nanomips(CPUMIPSState *env, Di= sasContext *ctx) return 2; } =20 + if (decode_isa_nanomips16(ctx, ctx->opcode)) { + return 2; + } + if (decode_isa_nanomips32(ctx, ctx->opcode)) { + return 4; + } + op =3D extract32(ctx->opcode, 10, 6); switch (op) { case NM_P16_MV: diff --git a/target/mips/tcg/meson.build b/target/mips/tcg/meson.build index 7b18e6c4c8..c05f3c0649 100644 --- a/target/mips/tcg/meson.build +++ b/target/mips/tcg/meson.build @@ -1,5 +1,7 @@ gen =3D [ decodetree.process('rel6.decode', extra_args: ['--decode=3Ddecode_isa_re= l6']), + decodetree.process('nanomips16.decode', extra_args: ['--decode=3Ddecode_= isa_nanomips16', '--insnwidth=3D16']), + decodetree.process('nanomips32.decode', extra_args: ['--decode=3Ddecode_= isa_nanomips32']), decodetree.process('msa.decode', extra_args: '--decode=3Ddecode_ase_msa'= ), decodetree.process('tx79.decode', extra_args: '--static-decode=3Ddecode_= tx79'), decodetree.process('vr54xx.decode', extra_args: '--decode=3Ddecode_ext_v= r54xx'), @@ -18,6 +20,7 @@ mips_ss.add(files( 'lmmi_helper.c', 'msa_helper.c', 'msa_translate.c', + 'nanomips_translate.c', 'op_helper.c', 'rel6_translate.c', 'translate.c', --=20 2.45.2