From nobody Tue Feb 10 04:56:03 2026 Delivered-To: importer@patchew.org Received-SPF: pass (zohomail.com: domain of _spf.google.com designates 209.85.218.41 as permitted sender) client-ip=209.85.218.41; envelope-from=philippe.mathieu.daude@gmail.com; helo=mail-ej1-f41.google.com; Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of _spf.google.com designates 209.85.218.41 as permitted sender) smtp.mailfrom=philippe.mathieu.daude@gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1619031011; cv=none; d=zohomail.com; s=zohoarc; b=jChRGQiNvAivHon5N+EkKmrdidX6GvcvSLGV02qhKV0+OHsbk2lrJBzERpMU5L5iiHkdcPIiyzUA05hfUq/DrWeoSTfhLLyyrM3bmv5zuEUP0EH0zzrl7qVhUujyvRchsNcguG4TXpI2BLc7RC4deCjqgu0lYVA4q+JgUaufBY4= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1619031011; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:MIME-Version:Message-ID:Sender:Subject:To; bh=KsuNpGcMdRgZ+Nb2tQgwHbXzzWivj+2kGx5K/nxQ84o=; b=TRG6Bnwjrti3Y2hGAl6pCJ4gf75acF3x+rRuuKMFzd33vodcVAs/wMus3C61Lyr2LRUctShETJ7vDMrVp7nJWbccBJr9AOlqH1MOII5N8fG32pQU5ovYkgbuwr8bTwKeSIiURT7u8Wai4evoj8Q1fFSF9vXtRrvuhnF6k+TSg28= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of _spf.google.com designates 209.85.218.41 as permitted sender) smtp.mailfrom=philippe.mathieu.daude@gmail.com Received: from mail-ej1-f41.google.com (mail-ej1-f41.google.com [209.85.218.41]) by mx.zohomail.com with SMTPS id 1619031011611496.303063678425; Wed, 21 Apr 2021 11:50:11 -0700 (PDT) Received: by mail-ej1-f41.google.com with SMTP id n2so64971172ejy.7 for ; Wed, 21 Apr 2021 11:50:11 -0700 (PDT) Return-Path: Return-Path: Received: from x1w.redhat.com (39.red-81-40-121.staticip.rima-tde.net. [81.40.121.39]) by smtp.gmail.com with ESMTPSA id dc24sm221498ejb.123.2021.04.21.11.50.08 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 21 Apr 2021 11:50:08 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=sender:from:to:cc:subject:date:message-id:mime-version :content-transfer-encoding; bh=KsuNpGcMdRgZ+Nb2tQgwHbXzzWivj+2kGx5K/nxQ84o=; b=cv23VLJlAFeAsUWSowk6gOKDeN+ffRQxU0953JanQlnyzKRZgfTFhigA5ZFX0pHHME a4g1rgqDbu8e3em3wMmRkbnnvPc5vO1RQFdOkDQLuTPnSA1enmvcSKchMeVjEHoXZSsI Tug9Wa4xeYEE1e+HhTSyR5TQNamYIPBqc9l0tV5PK8Yvy73voxLjoON0wULKyFbJL/mx sIbuTEk03xkUgrwvlg+PtUzW848Jzs8mLcwojqUqqhFxYNA3Z7otWgy9arzB5XW4nIH5 GahJoIkldalSfKNTumpeTdtcvMEQ1MACuWMdAONamxrUcIswHL1miDMymYSWDPCQ71l0 RVOA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:from:to:cc:subject:date:message-id :mime-version:content-transfer-encoding; bh=KsuNpGcMdRgZ+Nb2tQgwHbXzzWivj+2kGx5K/nxQ84o=; b=AedzTYf7nrf70vlxhNJNHQ4RerZi+aXrgCVvGm3iPohFbVIJHOGLYHgeORgIeciWOm 7Di5E5kxCgJ5Z8QCaURdKXVTQoGIa+nqvwixxT7FUiDuCZC3Zy8rY4q/3nba1obfkJh1 UW9NWlBUqtXyG2e8Z/YdxtlddbS/wUaZqKfyLuGV7xuWq/IF2g2fGvoln+CQE+N9evBQ ycMzXQMdPkKQlRSoYebfBYp0G5Ic9NhQ/OhFkSH6aN/pW5wLUuBatLptG9e1pHvYxMJZ eVqgJ0e1wfFUW/bnFNFHxs2XWit7yYP/mgZuy9ZJaZxY/ihX8MmScEfX6J3pHwmtfNAb 6ngw== X-Gm-Message-State: AOAM533qgZf4W5xwfsYSJV9h7uzq07nnulNttswb+WTMVK9XUyGS8uAo NVAh86Jw0sCjzpFgZuwaO8w= X-Google-Smtp-Source: ABdhPJx8Y5tQpTNa+Cquz8SjDYIaEGfuhkuM81QgHdUIx24H9SQMJnhBYlpKBT1Hd2j9swAZo8otBA== X-Received: by 2002:a17:906:68da:: with SMTP id y26mr34891366ejr.442.1619031009749; Wed, 21 Apr 2021 11:50:09 -0700 (PDT) Sender: =?UTF-8?Q?Philippe_Mathieu=2DDaud=C3=A9?= From: =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= To: qemu-devel@nongnu.org Cc: Petar Jovanovic , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Vince Del Vecchio , Jiaxun Yang , Richard Henderson , Aleksandar Rikalo , Aurelien Jarno , Filip Vidojevic Subject: [PATCH] target/mips: Add missing CP0 check to nanoMIPS RDPGPR / WRPGPR opcodes Date: Wed, 21 Apr 2021 20:50:07 +0200 Message-Id: <20210421185007.2231855-1-f4bug@amsat.org> X-Mailer: git-send-email 2.26.3 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-ZohoMail-DKIM: pass (identity @gmail.com) Per the nanoMIPS32 Instruction Set Technical Reference Manual, Revision 01.01, Chapter 3. "Instruction Definitions": The Read/Write Previous GPR opcodes "require CP0 privilege". Add the missing CP0 checks. Signed-off-by: Philippe Mathieu-Daud=C3=A9 Reviewed-by: Richard Henderson --- target/mips/translate.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/mips/translate.c b/target/mips/translate.c index 5dad75cdf37..8a0a2197426 100644 --- a/target/mips/translate.c +++ b/target/mips/translate.c @@ -18969,9 +18969,11 @@ static void gen_pool32axf_nanomips_insn(CPUMIPSSta= te *env, DisasContext *ctx) } break; case NM_RDPGPR: + check_cp0_enabled(ctx); gen_load_srsgpr(rs, rt); break; case NM_WRPGPR: + check_cp0_enabled(ctx); gen_store_srsgpr(rs, rt); break; case NM_WAIT: --=20 2.26.3