From patchwork Sun Jan 16 02:59:22 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weiwei Li X-Patchwork-Id: 12714454 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 2363EC433EF for ; Sun, 16 Jan 2022 03:03:31 +0000 (UTC) Received: from localhost ([::1]:40404 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8vpJ-00076s-Uc for qemu-devel@archiver.kernel.org; Sat, 15 Jan 2022 22:03:29 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53246) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n8vnd-0003RH-11; Sat, 15 Jan 2022 22:01:45 -0500 Received: from smtp23.cstnet.cn ([159.226.251.23]:56468 helo=cstnet.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8vnJ-0002lH-An; Sat, 15 Jan 2022 22:01:27 -0500 Received: from localhost.localdomain (unknown [180.156.147.178]) by APP-03 (Coremail) with SMTP id rQCowABXXVluiuNhImeeBQ--.54727S3; Sun, 16 Jan 2022 11:01:04 +0800 (CST) From: Weiwei Li To: anup@brainfault.org, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v4 1/4] target/riscv: add PTE_A/PTE_D/PTE_U bits check for inner PTE Date: Sun, 16 Jan 2022 10:59:22 +0800 Message-Id: <20220116025925.29973-2-liweiwei@iscas.ac.cn> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220116025925.29973-1-liweiwei@iscas.ac.cn> References: <20220116025925.29973-1-liweiwei@iscas.ac.cn> X-CM-TRANSID: rQCowABXXVluiuNhImeeBQ--.54727S3 X-Coremail-Antispam: 1UD129KBjvdXoW7GFyUXr4ktr13Ar13Cw4kZwb_yoW3GFb_CF W0gFn7u34ku3Wv9rsYyryqqr18K34rGF10kw47GF4UGryjgry3Cw1ktan5CryUur15ArnF yas7Ary3Cr45ujkaLaAFLSUrUUUUUb8apTn2vfkv8UJUUUU8Yxn0WfASr-VFAUDa7-sFnT 9fnUUIcSsGvfJTRUUUbT8FF20E14v26ryj6rWUM7CY07I20VC2zVCF04k26cxKx2IYs7xG 6rWj6s0DM7CIcVAFz4kK6r1j6r18M28IrcIa0xkI8VA2jI8067AKxVWUGwA2048vs2IY02 0Ec7CjxVAFwI0_JFI_Gr1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxSw2x7M28EF7xv wVC0I7IYx2IY67AKxVWUCVW8JwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwA2z4 x0Y4vEx4A2jsIE14v26r4UJVWxJr1l84ACjcxK6I8E87Iv6xkF7I0E14v26r4UJVWxJr1l e2I262IYc4CY6c8Ij28IcVAaY2xG8wAqx4xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI 8IcVAFwI0_Jr0_Jr4lYx0Ex4A2jsIE14v26r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwAC jcxG0xvY0x0EwIxGrwACjI8F5VA0II8E6IAqYI8I648v4I1l42xK82IYc2Ij64vIr41l4I 8I3I0E4IkC6x0Yz7v_Jr0_Gr1lx2IqxVAqx4xG67AKxVWUJVWUGwC20s026x8GjcxK67AK xVWUGVWUWwC2zVAF1VAY17CE14v26r1q6r43MIIYrxkI7VAKI48JMIIF0xvE2Ix0cI8IcV AFwI0_Jr0_JF4lIxAIcVC0I7IYx2IY6xkF7I0E14v26r4j6F4UMIIF0xvE42xK8VAvwI8I cIk0rVWUJVWUCwCI42IY6I8E87Iv67AKxVWUJVW8JwCI42IY6I8E87Iv6xkF7I0E14v26r 4j6r4UJbIYCTnIWIevJa73UjIFyTuYvjfU5SoXUUUUU X-Originating-IP: [180.156.147.178] X-CM-SenderInfo: 5olzvxxzhlqxpvfd2hldfou0/ Received-SPF: pass client-ip=159.226.251.23; envelope-from=liweiwei@iscas.ac.cn; helo=cstnet.cn X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_BL=0.001, RCVD_IN_MSPIKE_L4=0.001, SPF_HELO_PASS=-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: , Cc: wangjunqiang@iscas.ac.cn, Weiwei Li , lazyparser@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang Reviewed-by: Anup Patel --- target/riscv/cpu_helper.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 434a83e66a..d84cde424d 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -626,6 +626,9 @@ restart: return TRANSLATE_FAIL; } else if (!(pte & (PTE_R | PTE_W | PTE_X))) { /* Inner PTE, continue walking */ + if (pte & (PTE_D | PTE_A | PTE_U)) { + return TRANSLATE_FAIL; + } base = ppn << PGSHIFT; } else if ((pte & (PTE_R | PTE_W | PTE_X)) == PTE_W) { /* Reserved leaf PTE flags: PTE_W */ From patchwork Sun Jan 16 02:59:23 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weiwei Li X-Patchwork-Id: 12714455 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 7AF5FC433EF for ; Sun, 16 Jan 2022 03:03:39 +0000 (UTC) Received: from localhost ([::1]:41112 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8vpS-0007a9-JG for qemu-devel@archiver.kernel.org; Sat, 15 Jan 2022 22:03:38 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53250) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n8vnd-0003RK-1p; Sat, 15 Jan 2022 22:01:45 -0500 Received: from smtp23.cstnet.cn ([159.226.251.23]:56476 helo=cstnet.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8vnL-0002lJ-AB; Sat, 15 Jan 2022 22:01:31 -0500 Received: from localhost.localdomain (unknown [180.156.147.178]) by APP-03 (Coremail) with SMTP id rQCowABXXVluiuNhImeeBQ--.54727S4; Sun, 16 Jan 2022 11:01:04 +0800 (CST) From: Weiwei Li To: anup@brainfault.org, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v4 2/4] target/riscv: add support for svnapot extension Date: Sun, 16 Jan 2022 10:59:23 +0800 Message-Id: <20220116025925.29973-3-liweiwei@iscas.ac.cn> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220116025925.29973-1-liweiwei@iscas.ac.cn> References: <20220116025925.29973-1-liweiwei@iscas.ac.cn> X-CM-TRANSID: rQCowABXXVluiuNhImeeBQ--.54727S4 X-Coremail-Antispam: 1UD129KBjvJXoWxCr4DAw4fXF43XF1xWFyrXrb_yoW5Zw4fpr Z8G39FkrZ7JFW3Aa1fKF1UJw1rGw4Y93yF9w4xZrs7Gw4rJrW5W3Wqkws09F45XFW8ZryY 9an8CF1Yyr4UZaDanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUU9G14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_Jryl82xGYIkIc2 x26xkF7I0E14v26r4j6ryUM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l84 ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxVW8Jr0_Cr1U M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1l F7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxAIw28IcxkI7VAKI48JMx C20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAF wI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20x vE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v2 0xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxV W8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUjYiiDUUUUU== X-Originating-IP: [180.156.147.178] X-CM-SenderInfo: 5olzvxxzhlqxpvfd2hldfou0/ Received-SPF: pass client-ip=159.226.251.23; envelope-from=liweiwei@iscas.ac.cn; helo=cstnet.cn X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_BL=0.001, RCVD_IN_MSPIKE_L4=0.001, SPF_HELO_PASS=-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: , Cc: wangjunqiang@iscas.ac.cn, Weiwei Li , lazyparser@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" - add PTE_N bit - add PTE_N bit check for inner PTE - update address translation to support 64KiB continuous region (napot_bits = 4) Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang Reviewed-by: Anup Patel --- target/riscv/cpu.c | 2 ++ target/riscv/cpu.h | 1 + target/riscv/cpu_bits.h | 1 + target/riscv/cpu_helper.c | 22 +++++++++++++++++----- 4 files changed, 21 insertions(+), 5 deletions(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 9bc25d3055..ff6c86c85b 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -668,6 +668,8 @@ static Property riscv_cpu_properties[] = { DEFINE_PROP_UINT16("vlen", RISCVCPU, cfg.vlen, 128), DEFINE_PROP_UINT16("elen", RISCVCPU, cfg.elen, 64), + DEFINE_PROP_BOOL("svnapot", RISCVCPU, cfg.ext_svnapot, false), + DEFINE_PROP_BOOL("zba", RISCVCPU, cfg.ext_zba, true), DEFINE_PROP_BOOL("zbb", RISCVCPU, cfg.ext_zbb, true), DEFINE_PROP_BOOL("zbc", RISCVCPU, cfg.ext_zbc, true), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 4d63086765..d3d17cde82 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -327,6 +327,7 @@ struct RISCVCPU { bool ext_counters; bool ext_ifencei; bool ext_icsr; + bool ext_svnapot; bool ext_zfh; bool ext_zfhmin; diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index 5a6d49aa64..bc23e3b523 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -486,6 +486,7 @@ typedef enum { #define PTE_A 0x040 /* Accessed */ #define PTE_D 0x080 /* Dirty */ #define PTE_SOFT 0x300 /* Reserved for Software */ +#define PTE_N 0x8000000000000000 /* NAPOT translation */ /* Page table PPN shift amount */ #define PTE_PPN_SHIFT 10 diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index d84cde424d..832a2dd79c 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -619,14 +619,17 @@ restart: return TRANSLATE_FAIL; } - hwaddr ppn = pte >> PTE_PPN_SHIFT; + hwaddr ppn = (pte & ~(target_ulong)PTE_N) >> PTE_PPN_SHIFT; - if (!(pte & PTE_V)) { + RISCVCPU *cpu = env_archcpu(env); + if (!cpu->cfg.ext_svnapot && (pte & PTE_N)) { + return TRANSLATE_FAIL; + } else if (!(pte & PTE_V)) { /* Invalid PTE */ return TRANSLATE_FAIL; } else if (!(pte & (PTE_R | PTE_W | PTE_X))) { /* Inner PTE, continue walking */ - if (pte & (PTE_D | PTE_A | PTE_U)) { + if (pte & (PTE_D | PTE_A | PTE_U | PTE_N)) { return TRANSLATE_FAIL; } base = ppn << PGSHIFT; @@ -702,8 +705,17 @@ restart: /* for superpage mappings, make a fake leaf PTE for the TLB's benefit. */ target_ulong vpn = addr >> PGSHIFT; - *physical = ((ppn | (vpn & ((1L << ptshift) - 1))) << PGSHIFT) | - (addr & ~TARGET_PAGE_MASK); + + int napot_bits = ((pte & PTE_N) ? (ctzl(ppn) + 1) : 0); + if (((pte & PTE_N) && ((ppn == 0) || (i != (levels - 1)))) || + (napot_bits != 0 && napot_bits != 4)) { + return TRANSLATE_FAIL; + } + + *physical = (((ppn & ~(((target_ulong)1 << napot_bits) - 1)) | + (vpn & (((target_ulong)1 << napot_bits) - 1)) | + (vpn & (((target_ulong)1 << ptshift) - 1)) + ) << PGSHIFT) | (addr & ~TARGET_PAGE_MASK); /* set permissions on the TLB entry */ if ((pte & PTE_R) || ((pte & PTE_X) && mxr)) { From patchwork Sun Jan 16 02:59:24 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weiwei Li X-Patchwork-Id: 12714453 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 34E3DC433F5 for ; Sun, 16 Jan 2022 03:03:13 +0000 (UTC) Received: from localhost ([::1]:38968 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8vp1-00068i-Ja for qemu-devel@archiver.kernel.org; Sat, 15 Jan 2022 22:03:11 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53248) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n8vnd-0003RI-0y; Sat, 15 Jan 2022 22:01:45 -0500 Received: from smtp23.cstnet.cn ([159.226.251.23]:56488 helo=cstnet.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8vnJ-0002lV-9N; Sat, 15 Jan 2022 22:01:28 -0500 Received: from localhost.localdomain (unknown [180.156.147.178]) by APP-03 (Coremail) with SMTP id rQCowABXXVluiuNhImeeBQ--.54727S5; Sun, 16 Jan 2022 11:01:06 +0800 (CST) From: Weiwei Li To: anup@brainfault.org, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v4 3/4] target/riscv: add support for svinval extension Date: Sun, 16 Jan 2022 10:59:24 +0800 Message-Id: <20220116025925.29973-4-liweiwei@iscas.ac.cn> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220116025925.29973-1-liweiwei@iscas.ac.cn> References: <20220116025925.29973-1-liweiwei@iscas.ac.cn> X-CM-TRANSID: rQCowABXXVluiuNhImeeBQ--.54727S5 X-Coremail-Antispam: 1UD129KBjvJXoW3XrykAF4rJr15Jw48Kr47XFb_yoW7WF4DpF 4UKrW7Gr4kJryfAa4ftr45JFy8Grs3CayUG3saywn5Xa15GrWDJr1DKrW7KrZ8JF4kWr1Y 9F4jyryjyrW8XaDanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUU9G14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JrWl82xGYIkIc2 x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2z4x0 Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1l84 ACjcxK6I8E87Iv67AKxVW8Jr0_Cr1UM28EF7xvwVC2z280aVCY1x0267AKxVW8Jr0_Cr1U M2AIxVAIcxkEcVAq07x20xvEncxIr21l5I8CrVACY4xI64kE6c02F40Ex7xfMcIj6xIIjx v20xvE14v26r1j6r18McIj6I8E87Iv67AKxVWUJVW8JwAm72CE4IkC6x0Yz7v_Jr0_Gr1l F7xvr2IYc2Ij64vIr41lF7I21c0EjII2zVCS5cI20VAGYxC7MxAIw28IcxkI7VAKI48JMx C20s026xCaFVCjc4AY6r1j6r4UMI8I3I0E5I8CrVAFwI0_Jr0_Jr4lx2IqxVCjr7xvwVAF wI0_JrI_JrWlx4CE17CEb7AF67AKxVWUtVW8ZwCIc40Y0x0EwIxGrwCI42IY6xIIjxv20x vE14v26r1j6r1xMIIF0xvE2Ix0cI8IcVCY1x0267AKxVW8JVWxJwCI42IY6xAIw20EY4v2 0xvaj40_Jr0_JF4lIxAIcVC2z280aVAFwI0_Jr0_Gr1lIxAIcVC2z280aVCY1x0267AKxV W8JVW8JrUvcSsGvfC2KfnxnUUI43ZEXa7VUbJ73DUUUUU== X-Originating-IP: [180.156.147.178] X-CM-SenderInfo: 5olzvxxzhlqxpvfd2hldfou0/ Received-SPF: pass client-ip=159.226.251.23; envelope-from=liweiwei@iscas.ac.cn; helo=cstnet.cn X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_BL=0.001, RCVD_IN_MSPIKE_L4=0.001, SPF_HELO_PASS=-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: , Cc: wangjunqiang@iscas.ac.cn, Weiwei Li , lazyparser@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" - sinval.vma, hinval.vvma and hinval.gvma do the same as sfence.vma, hfence.vvma and hfence.gvma except extension check - do nothing other than extension check for sfence.w.inval and sfence.inval.ir Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang Reviewed-by: Anup Patel --- target/riscv/cpu.c | 1 + target/riscv/cpu.h | 1 + target/riscv/insn32.decode | 7 ++ target/riscv/insn_trans/trans_svinval.c.inc | 75 +++++++++++++++++++++ target/riscv/translate.c | 1 + 5 files changed, 85 insertions(+) create mode 100644 target/riscv/insn_trans/trans_svinval.c.inc diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index ff6c86c85b..45ac98e06b 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -668,6 +668,7 @@ static Property riscv_cpu_properties[] = { DEFINE_PROP_UINT16("vlen", RISCVCPU, cfg.vlen, 128), DEFINE_PROP_UINT16("elen", RISCVCPU, cfg.elen, 64), + DEFINE_PROP_BOOL("svinval", RISCVCPU, cfg.ext_svinval, false), DEFINE_PROP_BOOL("svnapot", RISCVCPU, cfg.ext_svnapot, false), DEFINE_PROP_BOOL("zba", RISCVCPU, cfg.ext_zba, true), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index d3d17cde82..c3d1845ca1 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -327,6 +327,7 @@ struct RISCVCPU { bool ext_counters; bool ext_ifencei; bool ext_icsr; + bool ext_svinval; bool ext_svnapot; bool ext_zfh; bool ext_zfhmin; diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 5bbedc254c..1d3ff1efe1 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -809,3 +809,10 @@ fcvt_l_h 1100010 00010 ..... ... ..... 1010011 @r2_rm fcvt_lu_h 1100010 00011 ..... ... ..... 1010011 @r2_rm fcvt_h_l 1101010 00010 ..... ... ..... 1010011 @r2_rm fcvt_h_lu 1101010 00011 ..... ... ..... 1010011 @r2_rm + +# *** Svinval Standard Extension *** +sinval_vma 0001011 ..... ..... 000 00000 1110011 @sfence_vma +sfence_w_inval 0001100 00000 00000 000 00000 1110011 +sfence_inval_ir 0001100 00001 00000 000 00000 1110011 +hinval_vvma 0010011 ..... ..... 000 00000 1110011 @hfence_vvma +hinval_gvma 0110011 ..... ..... 000 00000 1110011 @hfence_gvma diff --git a/target/riscv/insn_trans/trans_svinval.c.inc b/target/riscv/insn_trans/trans_svinval.c.inc new file mode 100644 index 0000000000..1dde665661 --- /dev/null +++ b/target/riscv/insn_trans/trans_svinval.c.inc @@ -0,0 +1,75 @@ +/* + * RISC-V translation routines for the Svinval Standard Instruction Set. + * + * Copyright (c) 2020-2021 PLCT lab + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for + * more details. + * + * You should have received a copy of the GNU General Public License along with + * this program. If not, see . + */ + +#define REQUIRE_SVINVAL(ctx) do { \ + if (!RISCV_CPU(ctx->cs)->cfg.ext_svinval) { \ + return false; \ + } \ +} while (0) + +static bool trans_sinval_vma(DisasContext *ctx, arg_sinval_vma *a) +{ + REQUIRE_SVINVAL(ctx); + /* Do the same as sfence.vma currently */ + REQUIRE_EXT(ctx, RVS); +#ifndef CONFIG_USER_ONLY + gen_helper_tlb_flush(cpu_env); + return true; +#endif + return false; +} + +static bool trans_sfence_w_inval(DisasContext *ctx, arg_sfence_w_inval *a) +{ + REQUIRE_SVINVAL(ctx); + REQUIRE_EXT(ctx, RVS); + /* Do nothing currently */ + return true; +} + +static bool trans_sfence_inval_ir(DisasContext *ctx, arg_sfence_inval_ir *a) +{ + REQUIRE_SVINVAL(ctx); + REQUIRE_EXT(ctx, RVS); + /* Do nothing currently */ + return true; +} + +static bool trans_hinval_vvma(DisasContext *ctx, arg_hinval_vvma *a) +{ + REQUIRE_SVINVAL(ctx); + /* Do the same as hfence.vvma currently */ + REQUIRE_EXT(ctx, RVH); +#ifndef CONFIG_USER_ONLY + gen_helper_hyp_tlb_flush(cpu_env); + return true; +#endif + return false; +} + +static bool trans_hinval_gvma(DisasContext *ctx, arg_hinval_gvma *a) +{ + REQUIRE_SVINVAL(ctx); + /* Do the same as hfence.gvma currently */ + REQUIRE_EXT(ctx, RVH); +#ifndef CONFIG_USER_ONLY + gen_helper_hyp_gvma_tlb_flush(cpu_env); + return true; +#endif + return false; +} diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 615048ec87..4e5a9660a4 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -838,6 +838,7 @@ static uint32_t opcode_at(DisasContextBase *dcbase, target_ulong pc) #include "insn_trans/trans_rvb.c.inc" #include "insn_trans/trans_rvzfh.c.inc" #include "insn_trans/trans_privileged.c.inc" +#include "insn_trans/trans_svinval.c.inc" /* Include the auto-generated decoder for 16 bit insn */ #include "decode-insn16.c.inc" From patchwork Sun Jan 16 02:59:25 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Weiwei Li X-Patchwork-Id: 12714457 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 lists.gnu.org (lists.gnu.org [209.51.188.17]) (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 77209C433EF for ; Sun, 16 Jan 2022 03:08:45 +0000 (UTC) Received: from localhost ([::1]:49658 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8vuO-0004vR-Fe for qemu-devel@archiver.kernel.org; Sat, 15 Jan 2022 22:08:44 -0500 Received: from eggs.gnu.org ([209.51.188.92]:53252) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1n8vnd-0003RL-1c; Sat, 15 Jan 2022 22:01:45 -0500 Received: from smtp23.cstnet.cn ([159.226.251.23]:56482 helo=cstnet.cn) by eggs.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1n8vnJ-0002lT-Af; Sat, 15 Jan 2022 22:01:28 -0500 Received: from localhost.localdomain (unknown [180.156.147.178]) by APP-03 (Coremail) with SMTP id rQCowABXXVluiuNhImeeBQ--.54727S6; Sun, 16 Jan 2022 11:01:07 +0800 (CST) From: Weiwei Li To: anup@brainfault.org, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, qemu-riscv@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v4 4/4] target/riscv: add support for svpbmt extension Date: Sun, 16 Jan 2022 10:59:25 +0800 Message-Id: <20220116025925.29973-5-liweiwei@iscas.ac.cn> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220116025925.29973-1-liweiwei@iscas.ac.cn> References: <20220116025925.29973-1-liweiwei@iscas.ac.cn> X-CM-TRANSID: rQCowABXXVluiuNhImeeBQ--.54727S6 X-Coremail-Antispam: 1UD129KBjvJXoWxCw1UCr4UGFWUCryUCry7trb_yoW5CrW5pr 4kG342k395tFW3Aa18tF1UJw1UCwsI9F1S9ws7Zrs7Jr4rJ3y3JF1DKw47GF45XF48Xr1a 93Z8Cr1Yyr4UXaDanT9S1TB71UUUUUUqnTZGkaVYY2UrUUUUjbIjqfuFe4nvWSU5nxnvy2 9KBjDU0xBIdaVrnRJUUUBj14x267AKxVWrJVCq3wAFc2x0x2IEx4CE42xK8VAvwI8IcIk0 rVWrJVCq3wAFIxvE14AKwVWUJVWUGwA2048vs2IY020E87I2jVAFwI0_JF0E3s1l82xGYI kIc2x26xkF7I0E14v26ryj6s0DM28lY4IEw2IIxxk0rwA2F7IY1VAKz4vEj48ve4kI8wA2 z4x0Y4vE2Ix0cI8IcVAFwI0_Gr0_Xr1l84ACjcxK6xIIjxv20xvEc7CjxVAFwI0_Cr0_Gr 1UM28EF7xvwVC2z280aVAFwI0_Gr1j6F4UJwA2z4x0Y4vEx4A2jsIEc7CjxVAFwI0_Gr1j 6F4UJwAS0I0E0xvYzxvE52x082IY62kv0487Mc02F40EFcxC0VAKzVAqx4xG6I80ewAv7V C0I7IYx2IY67AKxVWUJVWUGwAv7VC2z280aVAFwI0_Jr0_Gr1lOx8S6xCaFVCjc4AY6r1j 6r4UM4x0Y48IcxkI7VAKI48JM4x0x7Aq67IIx4CEVc8vx2IErcIFxwCF04k20xvY0x0EwI xGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480 Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_Jw0_GFylIxkGc2Ij64vIr41lIxAIcVC0I7 IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Gr0_Cr1lIxAIcVCF04k2 6cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxV AFwI0_Gr0_Gr1UYxBIdaVFxhVjvjDU0xZFpf9x0JUQSdkUUUUU= X-Originating-IP: [180.156.147.178] X-CM-SenderInfo: 5olzvxxzhlqxpvfd2hldfou0/ Received-SPF: pass client-ip=159.226.251.23; envelope-from=liweiwei@iscas.ac.cn; helo=cstnet.cn X-Spam_score_int: -41 X-Spam_score: -4.2 X-Spam_bar: ---- X-Spam_report: (-4.2 / 5.0 requ) BAYES_00=-1.9, RCVD_IN_DNSWL_MED=-2.3, RCVD_IN_MSPIKE_BL=0.001, RCVD_IN_MSPIKE_L4=0.001, SPF_HELO_PASS=-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: , Cc: wangjunqiang@iscas.ac.cn, Weiwei Li , lazyparser@gmail.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" - add PTE_PBMT bits: It uses two PTE bits, but otherwise has no effect on QEMU, since QEMU is sequentially consistent and doesn't model PMAs currently - add PTE_PBMT bits check for inner PTE - add reserved bits check for all PTE Signed-off-by: Weiwei Li Signed-off-by: Junqiang Wang Tested-by: Heiko Stuebner Reviewed-by: Anup Patel --- target/riscv/cpu.c | 1 + target/riscv/cpu.h | 1 + target/riscv/cpu_bits.h | 3 +++ target/riscv/cpu_helper.c | 8 ++++++-- 4 files changed, 11 insertions(+), 2 deletions(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 45ac98e06b..4f82bd00a3 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -670,6 +670,7 @@ static Property riscv_cpu_properties[] = { DEFINE_PROP_BOOL("svinval", RISCVCPU, cfg.ext_svinval, false), DEFINE_PROP_BOOL("svnapot", RISCVCPU, cfg.ext_svnapot, false), + DEFINE_PROP_BOOL("svpbmt", RISCVCPU, cfg.ext_svpbmt, false), DEFINE_PROP_BOOL("zba", RISCVCPU, cfg.ext_zba, true), DEFINE_PROP_BOOL("zbb", RISCVCPU, cfg.ext_zbb, true), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index c3d1845ca1..53f314c752 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -329,6 +329,7 @@ struct RISCVCPU { bool ext_icsr; bool ext_svinval; bool ext_svnapot; + bool ext_svpbmt; bool ext_zfh; bool ext_zfhmin; diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index bc23e3b523..ee294c1d0b 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -486,7 +486,10 @@ typedef enum { #define PTE_A 0x040 /* Accessed */ #define PTE_D 0x080 /* Dirty */ #define PTE_SOFT 0x300 /* Reserved for Software */ +#define PTE_RSVD 0x1FC0000000000000 /* Reserved for future use */ +#define PTE_PBMT 0x6000000000000000 /* Page-based memory types */ #define PTE_N 0x8000000000000000 /* NAPOT translation */ +#define PTE_ATTR 0xFFC0000000000000 /* All attributes bits */ /* Page table PPN shift amount */ #define PTE_PPN_SHIFT 10 diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 832a2dd79c..f90766e026 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -619,17 +619,21 @@ restart: return TRANSLATE_FAIL; } - hwaddr ppn = (pte & ~(target_ulong)PTE_N) >> PTE_PPN_SHIFT; + hwaddr ppn = (pte & ~(target_ulong)PTE_ATTR) >> PTE_PPN_SHIFT; RISCVCPU *cpu = env_archcpu(env); if (!cpu->cfg.ext_svnapot && (pte & PTE_N)) { return TRANSLATE_FAIL; + } else if (!cpu->cfg.ext_svpbmt && (pte & PTE_PBMT)) { + return TRANSLATE_FAIL; + } else if (pte & PTE_RSVD) { + return TRANSLATE_FAIL; } else if (!(pte & PTE_V)) { /* Invalid PTE */ return TRANSLATE_FAIL; } else if (!(pte & (PTE_R | PTE_W | PTE_X))) { /* Inner PTE, continue walking */ - if (pte & (PTE_D | PTE_A | PTE_U | PTE_N)) { + if (pte & (PTE_D | PTE_A | PTE_U | PTE_N | PTE_PBMT)) { return TRANSLATE_FAIL; } base = ppn << PGSHIFT;