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GET /api/patches/1825220/?format=api
{ "id": 1825220, "url": "http://patchwork.ozlabs.org/api/patches/1825220/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20230824092409.1492470-10-gaosong@loongson.cn/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/projects/14/?format=api", "name": "QEMU Development", "link_name": "qemu-devel", "list_id": "qemu-devel.nongnu.org", "list_email": "qemu-devel@nongnu.org", "web_url": "", "scm_url": "", "webscm_url": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20230824092409.1492470-10-gaosong@loongson.cn>", "list_archive_url": null, "date": "2023-08-24T09:23:47", "name": "[PULL,09/31] target/loongarch: Support LoongArch32 TLB entry", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "f279e99a8473a85a870dda805ab6ccde2487be87", "submitter": { "id": 82024, "url": "http://patchwork.ozlabs.org/api/people/82024/?format=api", "name": "gaosong", "email": "gaosong@loongson.cn" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20230824092409.1492470-10-gaosong@loongson.cn/mbox/", "series": [ { "id": 370173, "url": "http://patchwork.ozlabs.org/api/series/370173/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=370173", "date": "2023-08-24T09:23:41", "name": "[PULL,01/31] target/loongarch: Log I/O write accesses to CSR registers", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/370173/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/1825220/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/1825220/checks/", "tags": {}, "related": [], "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "X-Original-To": "incoming@patchwork.ozlabs.org", "Delivered-To": "patchwork-incoming@legolas.ozlabs.org", "Authentication-Results": "legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; helo=lists.gnu.org;\n envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org;\n receiver=patchwork.ozlabs.org)", "Received": [ "from lists.gnu.org (lists.gnu.org [209.51.188.17])\n\t(using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits))\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4RWd454zK3z1yfF\n\tfor <incoming@patchwork.ozlabs.org>; Thu, 24 Aug 2023 19:25:57 +1000 (AEST)", "from localhost ([::1] helo=lists1p.gnu.org)\n\tby lists.gnu.org with esmtp (Exim 4.90_1)\n\t(envelope-from <qemu-devel-bounces@nongnu.org>)\n\tid 1qZ6Zu-0003iQ-BZ; Thu, 24 Aug 2023 05:24:34 -0400", "from eggs.gnu.org ([2001:470:142:3::10])\n by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256)\n (Exim 4.90_1) (envelope-from <gaosong@loongson.cn>)\n id 1qZ6Zr-0003Yg-N1\n for qemu-devel@nongnu.org; Thu, 24 Aug 2023 05:24:31 -0400", "from mail.loongson.cn ([114.242.206.163])\n by eggs.gnu.org with esmtp (Exim 4.90_1)\n (envelope-from <gaosong@loongson.cn>) id 1qZ6Zl-0003Pz-Ni\n for qemu-devel@nongnu.org; Thu, 24 Aug 2023 05:24:31 -0400", "from loongson.cn (unknown [10.2.5.185])\n by gateway (Coremail) with SMTP id _____8AxlPDAIedkTHkbAA--.56192S3;\n Thu, 24 Aug 2023 17:24:16 +0800 (CST)", "from localhost.localdomain (unknown [10.2.5.185])\n by localhost.localdomain (Coremail) with SMTP id\n AQAAf8DxJ826IedkJjhiAA--.40637S11;\n Thu, 24 Aug 2023 17:24:15 +0800 (CST)" ], "From": "Song Gao <gaosong@loongson.cn>", "To": "qemu-devel@nongnu.org", "Cc": "stefanha@redhat.com, richard.henderson@linaro.org, Jiajie Chen <c@jia.je>", "Subject": "[PULL 09/31] target/loongarch: Support LoongArch32 TLB entry", "Date": "Thu, 24 Aug 2023 17:23:47 +0800", "Message-Id": "<20230824092409.1492470-10-gaosong@loongson.cn>", "X-Mailer": "git-send-email 2.39.1", "In-Reply-To": "<20230824092409.1492470-1-gaosong@loongson.cn>", "References": "<20230824092409.1492470-1-gaosong@loongson.cn>", "MIME-Version": "1.0", "Content-Transfer-Encoding": "8bit", "X-CM-TRANSID": "AQAAf8DxJ826IedkJjhiAA--.40637S11", "X-CM-SenderInfo": "5jdr20tqj6z05rqj20fqof0/", "X-Coremail-Antispam": "1Uk129KBjDUn29KB7ZKAUJUUUUU529EdanIXcx71UUUUU7KY7\n ZEXasCq-sGcSsGvfJ3UbIjqfuFe4nvWSU5nxnvy29KBjDU0xBIdaVrnUUvcSsGvfC2Kfnx\n nUUI43ZEXa7xR_UUUUUUUUU==", "Received-SPF": "pass client-ip=114.242.206.163;\n envelope-from=gaosong@loongson.cn;\n helo=mail.loongson.cn", "X-Spam_score_int": "-18", "X-Spam_score": "-1.9", "X-Spam_bar": "-", "X-Spam_report": "(-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_NONE=0.001,\n 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": "<qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Jiajie Chen <c@jia.je>\n\nThe TLB entry of LA32 lacks NR, NX and RPLV and they are hardwired to\nzero in LoongArch32.\n\nSigned-off-by: Jiajie Chen <c@jia.je>\nReviewed-by: Richard Henderson <richard.henderson@linaro.org>\nSigned-off-by: Song Gao <gaosong@loongson.cn>\nMessage-ID: <20230822032724.1353391-2-gaosong@loongson.cn>\nMessage-Id: <20230822071405.35386-2-philmd@linaro.org>\n---\n target/loongarch/cpu-csr.h | 9 +++++----\n target/loongarch/tlb_helper.c | 17 ++++++++++++-----\n 2 files changed, 17 insertions(+), 9 deletions(-)", "diff": "diff --git a/target/loongarch/cpu-csr.h b/target/loongarch/cpu-csr.h\nindex f8f24032cb..48ed2e0632 100644\n--- a/target/loongarch/cpu-csr.h\n+++ b/target/loongarch/cpu-csr.h\n@@ -66,10 +66,11 @@ FIELD(TLBENTRY, D, 1, 1)\n FIELD(TLBENTRY, PLV, 2, 2)\n FIELD(TLBENTRY, MAT, 4, 2)\n FIELD(TLBENTRY, G, 6, 1)\n-FIELD(TLBENTRY, PPN, 12, 36)\n-FIELD(TLBENTRY, NR, 61, 1)\n-FIELD(TLBENTRY, NX, 62, 1)\n-FIELD(TLBENTRY, RPLV, 63, 1)\n+FIELD(TLBENTRY_32, PPN, 8, 24)\n+FIELD(TLBENTRY_64, PPN, 12, 36)\n+FIELD(TLBENTRY_64, NR, 61, 1)\n+FIELD(TLBENTRY_64, NX, 62, 1)\n+FIELD(TLBENTRY_64, RPLV, 63, 1)\n \n #define LOONGARCH_CSR_ASID 0x18 /* Address space identifier */\n FIELD(CSR_ASID, ASID, 0, 10)\ndiff --git a/target/loongarch/tlb_helper.c b/target/loongarch/tlb_helper.c\nindex 6e00190547..cef10e2257 100644\n--- a/target/loongarch/tlb_helper.c\n+++ b/target/loongarch/tlb_helper.c\n@@ -48,10 +48,17 @@ static int loongarch_map_tlb_entry(CPULoongArchState *env, hwaddr *physical,\n tlb_v = FIELD_EX64(tlb_entry, TLBENTRY, V);\n tlb_d = FIELD_EX64(tlb_entry, TLBENTRY, D);\n tlb_plv = FIELD_EX64(tlb_entry, TLBENTRY, PLV);\n- tlb_ppn = FIELD_EX64(tlb_entry, TLBENTRY, PPN);\n- tlb_nx = FIELD_EX64(tlb_entry, TLBENTRY, NX);\n- tlb_nr = FIELD_EX64(tlb_entry, TLBENTRY, NR);\n- tlb_rplv = FIELD_EX64(tlb_entry, TLBENTRY, RPLV);\n+ if (is_la64(env)) {\n+ tlb_ppn = FIELD_EX64(tlb_entry, TLBENTRY_64, PPN);\n+ tlb_nx = FIELD_EX64(tlb_entry, TLBENTRY_64, NX);\n+ tlb_nr = FIELD_EX64(tlb_entry, TLBENTRY_64, NR);\n+ tlb_rplv = FIELD_EX64(tlb_entry, TLBENTRY_64, RPLV);\n+ } else {\n+ tlb_ppn = FIELD_EX64(tlb_entry, TLBENTRY_32, PPN);\n+ tlb_nx = 0;\n+ tlb_nr = 0;\n+ tlb_rplv = 0;\n+ }\n \n /* Check access rights */\n if (!tlb_v) {\n@@ -79,7 +86,7 @@ static int loongarch_map_tlb_entry(CPULoongArchState *env, hwaddr *physical,\n * tlb_entry contains ppn[47:12] while 16KiB ppn is [47:15]\n * need adjust.\n */\n- *physical = (tlb_ppn << R_TLBENTRY_PPN_SHIFT) |\n+ *physical = (tlb_ppn << R_TLBENTRY_64_PPN_SHIFT) |\n (address & MAKE_64BIT_MASK(0, tlb_ps));\n *prot = PAGE_READ;\n if (tlb_d) {\n", "prefixes": [ "PULL", "09/31" ] }