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[89.216.220.81]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-492202edf89sm177523435e9.1.2026.06.14.07.13.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 14 Jun 2026 07:13:51 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1781446432; x=1782051232; 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=gHUYLuZwuzMi7F4ecz5j9hrjNh+yhJRwg5RXiaHYtqQ=; b=p2IQiEf1U0LCsfo5tXM8HAOQmwuxoJC19j3rliJ5EgbYxN1yIPPKMAmgfWFqW2sx69 eiWFBuWEIPL1LUETEQgLkjlpG+s1GTfKKjKwEKPRjPyNac8vHgp9ftwRbZIwEHNDA+Z+ Vvi5bwgVWCyOEywp3aMCDPjjeg6E5t3oYrlowWZVETS6Omo3DNbHAgflNdbBiujsLXVf EVUN6TRIKMl1kwcDAKijXqwWVR83ceSIxij1N5uvD/F+OZN/VewPBX6SfdvF4D/ojPxz nimnx5RweTi9cc/72sfHBIv8NlzgFrp4YHI8m4jKO0GgTWSdu6mS/y/1jupFA3htLXYq QOEQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1781446432; x=1782051232; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=gHUYLuZwuzMi7F4ecz5j9hrjNh+yhJRwg5RXiaHYtqQ=; b=oqHf6H8E5OoYWBLvkqkgmCTpivIW3aLdvjfm2vRl8gjWlroWUrUMuvZcrRpHPgnwJw 3fbAK4kMyKUjuHDdKN5b9ntpYcVcO1NsJLOjcmHeIaLx1ocxej+mLzDC9C6v9NjL2bLD 5XGstvvTimdgJL0mZ5ezPON3HaobOsZUJbugJP5tlKHeQB1Be87mGBoMfxaydXVFCXxY 46mlE1JSS9ze/1rImmEcgIdAUQM73an61CesWyaZNkE0+ZRixp52j9Sir9xqXErHYMiO TVhD8eLi2N8qLzWbxe4wNhKryvKQR4Ap+LAb0fxuFPSung1odbQ5bJ9dWGX7yreNxKov Jb2Q== X-Gm-Message-State: AOJu0Yxm4QB5EDWqIMxUcBxbxv+PQk0T7b7kR+OGQPQqCP7LT1hwZUWW jUt8AfH7bKALhCbE/5rUFpKlNzTJWEhcBF0UREtb3DDZCDhZiKsUUOorl0SdnzGABgI= X-Gm-Gg: Acq92OHwIpd3mXXA0pwvidFHozHoU6Bza97+c0ddtmjGVnuryvUbFWsPeCjbQ45TcxD b+78Q+VU6RqeYuvNAX6s41MhW9CCEVH7/RABMTmUFfKgN3ocFCaQX+GLV8Q5xEsmak3/KjT7M9l zfCVBxv1j4ekkDM0NpGpGGh0xatKUa4iT2G5H/cxB/RIEQ2WhjkPq8mXyFwU/WVMTErgdpSBDV1 8VjMvY+5icH5uUVPZsuRIG4GVCWHXoF95bb20W+o1TbL9Pk/AoWgDnylHjZ8hlW3pkI9/heZBqh amEMRiDXxmQi/viDoih3+Umb8dq0njhcD3rbOFm7xBi8iXAWiJ6JXWJdEtmxCZkYQ31Wz73zmnD W9mhEvAnTRcqxOBt30ml6ZEO/04FrcKvcO6GdU2QckXFLF1hckdtXYEk7Nd3aowuVuPOU8Q4Bjs YPjc10Jw4U9dUddvOY1ixwZOu8G4xCe00srYX90vj7PDh+ba7r985U2Z0N1082vH3exM1zP33Sw qX5brc= X-Received: by 2002:a05:600c:55c2:b0:490:b1b8:95f5 with SMTP id 5b1f17b1804b1-4922006282bmr62664325e9.15.1781446432172; Sun, 14 Jun 2026 07:13:52 -0700 (PDT) From: imaginos To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, Alistair Francis , Palmer Dabbelt , Daniel Henrique Barboza , imaginos Subject: [PATCH v2] disas/riscv: enable `mnret` disassembly Date: Sun, 14 Jun 2026 16:12:24 +0200 Message-ID: <20260614141315.17320-1-imaginos32@gmail.com> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20260606145520.34152-1-imaginos32@gmail.com> References: <20260606145520.34152-1-imaginos32@gmail.com> MIME-Version: 1.0 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=lists1p.gnu.org; Received-SPF: pass client-ip=2a00:1450:4864:20::343; envelope-from=imaginos32@gmail.com; helo=mail-wm1-x343.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=unavailable autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development 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 @gmail.com) X-ZM-MESSAGEID: 1781446479397158500 Content-Type: text/plain; charset="utf-8" The translator has supported mnret since commit 3157a553ec6b9a ("target/riscv: Add Smrnmi mnret instruction"), but the disassembler still renders it as illegal. Add it unguarded, since the encoding does not overlap any other extension. Signed-off-by: imaginos --- v2: rebase on riscv-to-apply.next disas/riscv.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/disas/riscv.c b/disas/riscv.c index b8ec546883..7f1b262773 100644 --- a/disas/riscv.c +++ b/disas/riscv.c @@ -989,6 +989,7 @@ typedef enum { rv_op_cbo_clean =3D 957, rv_op_cbo_flush =3D 958, rv_op_cbo_zero =3D 959, + rv_op_mnret =3D 960, } rv_op; =20 /* register names */ @@ -2263,6 +2264,7 @@ const rv_opcode_data rvi_opcode_data[] =3D { { "cbo.clean", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, { "cbo.flush", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, { "cbo.zero", rv_codec_r, rv_fmt_rs1, NULL, 0, 0, 0 }, + { "mnret", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, }; =20 /* CSR names */ @@ -4077,6 +4079,11 @@ static void decode_inst_opcode(rv_decode *dec, rv_is= a isa) case 64: op =3D rv_op_mret; break; } break; + case 1792: + switch ((inst >> 15) & 0b1111111111) { + case 64: op =3D rv_op_mnret; break; + } + break; case 1952: switch ((inst >> 15) & 0b1111111111) { case 576: op =3D rv_op_dret; break; --=20 2.43.0