From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 6AD2AE7E649 for ; Tue, 26 Sep 2023 15:04:14 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender: Content-Transfer-Encoding:Content-Type:List-Subscribe:List-Help:List-Post: List-Archive:List-Unsubscribe:List-Id:MIME-Version:Message-Id:Date:Subject:Cc :To:From:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:In-Reply-To:References: List-Owner; bh=W6lN1RFFFGlRSPbxTMoIHe6DN8upixj/kmXPvBYxV+k=; b=KjgsDQI2tirDcQ akfFN55nCAMSYR55O43HwnVEr/IipLJuo7S2VVjINdTguMCPcECGfvIXLRJaRaaMhAiTeO/z9cNAs rRWWC+Tmwn2tAOEaWTjxTYWT00Nvi7qbOXDZQ6UsH+cfX12hq3K7SLwZeLzENN6Z3nbKW6IbkEUf6 QSDa6CZLqXlPCvGMnYgSWpHImfh1gtJC1Zx9sG75pG7yq/nCP27+Gizdj+ub45369Z+u+RCzxbSWB Xba0x6ugbustm8nOW7tSGm6isXDzT6mBzL3fTvVYBHac+U/osg1+MmMafqA8VKKXzgz6vgUu5S8nz SC2mfBbISjENbttqHFKg==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.96 #2 (Red Hat Linux)) id 1ql9bT-00GbLg-1F; Tue, 26 Sep 2023 15:03:59 +0000 Received: from mail-wm1-x336.google.com ([2a00:1450:4864:20::336]) by bombadil.infradead.org with esmtps (Exim 4.96 #2 (Red Hat Linux)) id 1ql9bQ-00GbJ9-0h for linux-riscv@lists.infradead.org; Tue, 26 Sep 2023 15:03:58 +0000 Received: by mail-wm1-x336.google.com with SMTP id 5b1f17b1804b1-40471c054f9so26828585e9.0 for ; Tue, 26 Sep 2023 08:03:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20230601.gappssmtp.com; s=20230601; t=1695740632; x=1696345432; darn=lists.infradead.org; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:from:to:cc:subject:date:message-id:reply-to; bh=RIpK3OqmG3E1OUm0KgMySKOtKP9RNzbuGFCeuFimfhg=; b=aWhZJ7n/QugXxarqK96UuFcs9yYTiHHzzRkC1aNq599GdltVOTf7GeA2ndJy2WVi9k +dzjJocEOy5bDn/F1srAfjKueoJDr8s30hgtJlh/pxzNNrQzxBkhkNOibaNWckpfzNLK WSA2HX7F/jTPkkBTudbLyj1Aw74m8je5C0AS0Enxb9LgQ0zOwCIz02tstJ0ntAPmzGfu TwJZ12QuQP+g1CV+wGqD50Sqcnvr7L1SQ+Gdml8OgRsn6Rsq/PmJmgw/F7QscMSEGnzg 8BU0S8H0q7qcVRJ/Kui6+SKWHiBDbwvL6CqZKsozxNFeuzwFuzcp5rgDm7ePsdfhud5N /OsQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1695740632; x=1696345432; h=content-transfer-encoding:mime-version:message-id:date:subject:cc :to:from:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=RIpK3OqmG3E1OUm0KgMySKOtKP9RNzbuGFCeuFimfhg=; b=eMc06j4Mc+if3fTMveb+a/EiQo8kIfAcZkryH0g31+KdVpA+kKk7ObBj57AL8rpHrf y28lhlorC59W4ke2TCEwslNzBD29oerwbGSZ65D8ZnQjO7GscazNtYAjzaomvvAPDXFN XqEENTA5HmEM+nUMBmYFU2IKJ5ZSwkfXTfxi+JmjZ3Y+CtuJy3RboE3DRTCjIKMSiDkI oxvEbsoxtP/5vsW9mzDaSMfv5Ev/Jfu9Pxou1z2QET3ytgSvKAe6VzE3l83puOGeZVlX R8pSGphsPX1J2ITji9J+n+8edf2/g/55/qxWtR4M2+zH2hXJ7d7suVtDmdhXIcho96f3 chpw== X-Gm-Message-State: AOJu0Yy8+CbOZ/3NQKzMMUg/ENSevJ8kWoNA0KRoZhVBtx37i/Rn0Cii SetHPSSY2rDSXGYot7ZAQpxhjA== X-Google-Smtp-Source: AGHT+IFNTxn3ZjlQ5+Jtwf6UwRV/FhwgHLgxdXUERSMM8USfscRNhwx3BHgmb3Lm8sPO6lia6aTOAA== X-Received: by 2002:a05:600c:1d82:b0:401:c07f:72bd with SMTP id p2-20020a05600c1d8200b00401c07f72bdmr8988881wms.4.1695740631744; Tue, 26 Sep 2023 08:03:51 -0700 (PDT) Received: from carbon-x1.. ([2a01:e0a:999:a3a0:2b3d:6c70:9dbf:5ede]) by smtp.gmail.com with ESMTPSA id x11-20020a5d650b000000b00318147fd2d3sm14926060wru.41.2023.09.26.08.03.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Sep 2023 08:03:51 -0700 (PDT) From: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= To: Paul Walmsley , Palmer Dabbelt , Albert Ou Cc: =?UTF-8?q?Cl=C3=A9ment=20L=C3=A9ger?= , Atish Patra , Andrew Jones , Evan Green , =?UTF-8?q?Bj=C3=B6rn=20Topel?= , linux-riscv@lists.infradead.org, linux-kernel@vger.kernel.org, Ron Minnich , Daniel Maslowski Subject: [PATCH 0/7] Add support to handle misaligned accesses in S-mode Date: Tue, 26 Sep 2023 17:03:09 +0200 Message-Id: <20230926150316.1129648-1-cleger@rivosinc.com> X-Mailer: git-send-email 2.40.1 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20230926_080356_491464_65A52415 X-CRM114-Status: GOOD ( 13.27 ) X-BeenThere: linux-riscv@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-riscv" Errors-To: linux-riscv-bounces+linux-riscv=archiver.kernel.org@lists.infradead.org U2luY2UgY29tbWl0IDYxY2FkYjkgKCJQcm92aWRlIG5ldyBkZXNjcmlwdGlvbiBvZiBtaXNhbGln bmVkIGxvYWQvc3RvcmUKYmVoYXZpb3IgY29tcGF0aWJsZSB3aXRoIHByaXZpbGVnZWQgYXJjaGl0 ZWN0dXJlLiIpIGluIHRoZSBSSVNDLVYgSVNBCm1hbnVhbCwgaXQgaXMgc3RhdGVkIHRoYXQgbWlz YWxpZ25lZCBsb2FkL3N0b3JlIG1pZ2h0IG5vdCBiZSBzdXBwb3J0ZWQuCkhvd2V2ZXIsIHRoZSBS SVNDLVYga2VybmVsIHVBQkkgZGVzY3JpYmVzIHRoYXQgbWlzYWxpZ25lZCBhY2Nlc3NlcyBhcmUK c3VwcG9ydGVkLiBJbiBvcmRlciB0byBzdXBwb3J0IHRoYXQsIHRoaXMgc2VyaWVzIGFkZHMgc3Vw cG9ydCBmb3IgUy1tb2RlCmhhbmRsaW5nIG9mIG1pc2FsaWduZWQgYWNjZXNzZXMgYXMgd2VsbCBz dXBwb3J0IGZvciBwcmN0bChQUl9VTkFMSUdOKS4KCkhhbmRsaW5nIG1pc2FsaWduZWQgYWNjZXNz IGluIGtlcm5lbCBhbGxvd3MgZm9yIGEgZmluZXIgZ3JhaW4gY29udHJvbApvZiB0aGUgbWlzYWxp Z25lZCBhY2Nlc3NlcyBiZWhhdmlvciwgYW5kIHRoYW5rcyB0byB0aGUgcHJjdGwgY2FsbCwgY2Fu CmFsbG93IGRpc2FibGluZyBtaXNhbGlnbmVkIGFjY2VzcyBlbXVsYXRpb24gdG8gZ2VuZXJhdGUg U0lHQlVTLiBVc2VyCnNwYWNlIGNhbiB0aGVuIG9wdGltaXplIGl0cyBzb2Z0d2FyZSBieSByZW1v dmluZyBzdWNoIGFjY2VzcyBiYXNlZCBvbgpTSUdCVVMgZ2VuZXJhdGlvbi4KCkN1cnJlbnRseSwg dGhpcyBzZXJpZXMgaXMgdXNlZnVsIGZvciBwZW9wbGUgdGhhdCB1c2VzIGEgU0JJIHRoYXQgZG9l cwpub3QgaGFuZGxlZCBtaXNhbGlnbmVkIHRyYXBzLiBJbiBhIG5lYXIgZnV0dXJlLCB0aGlzIHNl cmllcyB3aWxsIG1ha2UKdXNlIGEgU0JJIGV4dGVuc2lvbiBbMV0gYWxsb3dpbmcgdG8gcmVxdWVz dCBkZWxlZ2F0aW9uIG9mIHRoZQptaXNhbGlnbmVkIGxvYWQvc3RvcmUgdHJhcHMgdG8gdGhlIFMt bW9kZSBzb2Z0d2FyZS4gVGhpcyBleHRlbnNpb24gaGFzCmJlZW4gc3VibWl0dGVkIGZvciByZXZp ZXcgdG8gdGhlIHJpc2N2IHRlY2gtcHJzIGdyb3VwLiBBbiBPcGVuU0JJCmltcGxlbWVudGF0aW9u IGZvciB0aGlzIHNwZWMgaXMgYXZhaWxhYmxlIGF0IFsyXS4KClRoaXMgc2VyaWVzIGNhbiBiZSB0 ZXN0ZWQgdXNpbmcgdGhlIHNwaWtlIHNpbXVsYXRvciBbM10gYW5kIGFuIG9wZW5TQkkKdmVyc2lv biBbNF0gd2hpY2ggYWxsb3dzIHRvIGFsd2F5cyBkZWxlZ2F0ZSBtaXNhbGlnbmVkIGxvYWQvc3Rv cmUgdG8KUy1tb2RlLgoKWzFdIGh0dHBzOi8vbGlzdHMucmlzY3Yub3JnL2cvdGVjaC1wcnMvbWVz c2FnZS81NDAKWzJdIGh0dHBzOi8vZ2l0aHViLmNvbS9yaXZvc2luYy9vcGVuc2JpL3RyZWUvZGV2 L2NsZWdlci9md19mZWF0dXJlX3Vwc3RyZWFtClszXSBodHRwczovL2dpdGh1Yi5jb20vcmlzY3Yt c29mdHdhcmUtc3JjL3Jpc2N2LWlzYS1zaW0KWzRdIGh0dHBzOi8vZ2l0aHViLmNvbS9yaXZvc2lu Yy9vcGVuc2JpL3RyZWUvZGV2L2NsZWdlci9ub19taXNhbGlnbmVkCgpDbMOpbWVudCBMw6lnZXIg KDcpOgogIHJpc2N2OiByZW1vdmUgdW51c2VkIGZ1bmN0aW9ucyBpbiB0cmFwc19taXNhbGlnbmVk LmMKICByaXNjdjogYWRkIHN1cHBvcnQgZm9yIG1pc2FsaWduZWQgaGFuZGxpbmcgaW4gUy1tb2Rl CiAgcmlzY3Y6IHJlcG9ydCBwZXJmIGV2ZW50IGZvciBtaXNhbGlnbmVkIGZhdWx0CiAgcmlzY3Y6 IGFkZCBmbG9hdGluZyBwb2ludCBpbnNuIHN1cHBvcnQgdG8gbWlzYWxpZ25lZCBhY2Nlc3MgZW11 bGF0aW9uCiAgcmlzY3Y6IGFkZCBzdXBwb3J0IGZvciBzeXNjdGwgdW5hbGlnbmVkX2VuYWJsZWQg Y29udHJvbAogIHJpc2N2OiByZXBvcnQgbWlzYWxpZ25lZCBhY2Nlc3NlcyBlbXVsYXRpb24gdG8g aHdwcm9iZQogIHJpc2N2OiBhZGQgc3VwcG9ydCBmb3IgUFJfU0VUX1VOQUxJR04gYW5kIFBSX0dF VF9VTkFMSUdOCgogYXJjaC9yaXNjdi9LY29uZmlnICAgICAgICAgICAgICAgICAgICB8ICAgMSAr CiBhcmNoL3Jpc2N2L2luY2x1ZGUvYXNtL2NwdWZlYXR1cmUuaCAgIHwgICA2ICsKIGFyY2gvcmlz Y3YvaW5jbHVkZS9hc20vZW50cnktY29tbW9uLmggfCAgIDMgKwogYXJjaC9yaXNjdi9pbmNsdWRl L2FzbS9wcm9jZXNzb3IuaCAgICB8ICAgOSArCiBhcmNoL3Jpc2N2L2tlcm5lbC9NYWtlZmlsZSAg ICAgICAgICAgIHwgICAyICstCiBhcmNoL3Jpc2N2L2tlcm5lbC9jcHVmZWF0dXJlLmMgICAgICAg IHwgICA2ICstCiBhcmNoL3Jpc2N2L2tlcm5lbC9mcHUuUyAgICAgICAgICAgICAgIHwgMTE3ICsr KysrKysrCiBhcmNoL3Jpc2N2L2tlcm5lbC9wcm9jZXNzLmMgICAgICAgICAgIHwgIDE4ICsrCiBh cmNoL3Jpc2N2L2tlcm5lbC9zZXR1cC5jICAgICAgICAgICAgIHwgICAxICsKIGFyY2gvcmlzY3Yv a2VybmVsL3RyYXBzLmMgICAgICAgICAgICAgfCAgIDkgLQogYXJjaC9yaXNjdi9rZXJuZWwvdHJh cHNfbWlzYWxpZ25lZC5jICB8IDM3NCArKysrKysrKysrKysrKysrKysrKysrLS0tLQogMTEgZmls ZXMgY2hhbmdlZCwgNDg4IGluc2VydGlvbnMoKyksIDU4IGRlbGV0aW9ucygtKQoKLS0gCjIuNDAu MQoKCl9fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fX19fCmxpbnV4 LXJpc2N2IG1haWxpbmcgbGlzdApsaW51eC1yaXNjdkBsaXN0cy5pbmZyYWRlYWQub3JnCmh0dHA6 Ly9saXN0cy5pbmZyYWRlYWQub3JnL21haWxtYW4vbGlzdGluZm8vbGludXgtcmlzY3YK