From patchwork Mon Jul 1 03:37:17 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 13717536 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 D538AC3065A for ; Mon, 1 Jul 2024 03:40:09 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sO7t8-00058S-JC; Sun, 30 Jun 2024 23:39:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7sy-00057v-Q1; Sun, 30 Jun 2024 23:39:25 -0400 Received: from out30-113.freemail.mail.aliyun.com ([115.124.30.113]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7sw-0005It-EU; Sun, 30 Jun 2024 23:39:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1719805157; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=+nj4z4XX2OniPNZ6pErqx6+3KAsX5YmQvKH4GZ49Gt0=; b=LHp0ZzBxrwfQzoNM6kSi66WCL5NmOzIpwJlCB5OYxB9P8z6Fld1dZovAFzgpuSi359xKmZ6tj+4/KGpslHAG5ISv0V29xsmOf6YEmyPJOaHI8YYY5MZV5GPHsd3xbK/YR9hNf+nM0Eldf3N5zLxLOO+2OPEG+gT2+1ZSW+LkN0Q= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R991e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033037067110; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=9; SR=0; TI=SMTPD_---0W9YPsIt_1719805155; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0W9YPsIt_1719805155) by smtp.aliyun-inc.com; Mon, 01 Jul 2024 11:39:16 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair.francis@wdc.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, bmeng.cn@gmail.com, TANG Tiancheng , Liu Zhiwei Subject: [PATCH 1/6] target/riscv: Add fw_dynamic_info32 for booting RV32 OpenSBI Date: Mon, 1 Jul 2024 11:37:17 +0800 Message-Id: <20240701033722.954-2-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> References: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.113; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-113.freemail.mail.aliyun.com X-Spam_score_int: -174 X-Spam_score: -17.5 X-Spam_bar: ----------------- X-Spam_report: (-17.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: TANG Tiancheng RV32 OpenSBI need a fw_dynamic_info parameter with 32-bit fields instead of target_ulong. In RV64 QEMU, target_ulong is 64. So it is not right for booting RV32 OpenSBI. We create a fw_dynmaic_info32 struct for this purpose. Signed-off-by: TANG Tiancheng Reviewed-by: Liu Zhiwei Reviewed-by: Alistair Francis --- hw/riscv/boot.c | 35 ++++++++++++++++++++++----------- hw/riscv/sifive_u.c | 3 ++- include/hw/riscv/boot.h | 4 +++- include/hw/riscv/boot_opensbi.h | 29 +++++++++++++++++++++++++++ 4 files changed, 57 insertions(+), 14 deletions(-) diff --git a/hw/riscv/boot.c b/hw/riscv/boot.c index 47281ca853..1a2c1ff9e0 100644 --- a/hw/riscv/boot.c +++ b/hw/riscv/boot.c @@ -342,27 +342,33 @@ void riscv_load_fdt(hwaddr fdt_addr, void *fdt) rom_ptr_for_as(&address_space_memory, fdt_addr, fdtsize)); } -void riscv_rom_copy_firmware_info(MachineState *machine, hwaddr rom_base, - hwaddr rom_size, uint32_t reset_vec_size, +void riscv_rom_copy_firmware_info(MachineState *machine, + RISCVHartArrayState *harts, + hwaddr rom_base, hwaddr rom_size, + uint32_t reset_vec_size, uint64_t kernel_entry) { + struct fw_dynamic_info32 dinfo32; struct fw_dynamic_info dinfo; size_t dinfo_len; - if (sizeof(dinfo.magic) == 4) { - dinfo.magic = cpu_to_le32(FW_DYNAMIC_INFO_MAGIC_VALUE); - dinfo.version = cpu_to_le32(FW_DYNAMIC_INFO_VERSION); - dinfo.next_mode = cpu_to_le32(FW_DYNAMIC_INFO_NEXT_MODE_S); - dinfo.next_addr = cpu_to_le32(kernel_entry); + if (riscv_is_32bit(harts)) { + dinfo32.magic = cpu_to_le32(FW_DYNAMIC_INFO_MAGIC_VALUE); + dinfo32.version = cpu_to_le32(FW_DYNAMIC_INFO_VERSION); + dinfo32.next_mode = cpu_to_le32(FW_DYNAMIC_INFO_NEXT_MODE_S); + dinfo32.next_addr = cpu_to_le32(kernel_entry); + dinfo32.options = 0; + dinfo32.boot_hart = 0; + dinfo_len = sizeof(dinfo32); } else { dinfo.magic = cpu_to_le64(FW_DYNAMIC_INFO_MAGIC_VALUE); dinfo.version = cpu_to_le64(FW_DYNAMIC_INFO_VERSION); dinfo.next_mode = cpu_to_le64(FW_DYNAMIC_INFO_NEXT_MODE_S); dinfo.next_addr = cpu_to_le64(kernel_entry); + dinfo.options = 0; + dinfo.boot_hart = 0; + dinfo_len = sizeof(dinfo); } - dinfo.options = 0; - dinfo.boot_hart = 0; - dinfo_len = sizeof(dinfo); /** * copy the dynamic firmware info. This information is specific to @@ -374,7 +380,10 @@ void riscv_rom_copy_firmware_info(MachineState *machine, hwaddr rom_base, exit(1); } - rom_add_blob_fixed_as("mrom.finfo", &dinfo, dinfo_len, + rom_add_blob_fixed_as("mrom.finfo", + riscv_is_32bit(harts) ? + (void *)&dinfo32 : (void *)&dinfo, + dinfo_len, rom_base + reset_vec_size, &address_space_memory); } @@ -430,7 +439,9 @@ void riscv_setup_rom_reset_vec(MachineState *machine, RISCVHartArrayState *harts } rom_add_blob_fixed_as("mrom.reset", reset_vec, sizeof(reset_vec), rom_base, &address_space_memory); - riscv_rom_copy_firmware_info(machine, rom_base, rom_size, sizeof(reset_vec), + riscv_rom_copy_firmware_info(machine, harts, + rom_base, rom_size, + sizeof(reset_vec), kernel_entry); } diff --git a/hw/riscv/sifive_u.c b/hw/riscv/sifive_u.c index af5f923f54..5010c3eadb 100644 --- a/hw/riscv/sifive_u.c +++ b/hw/riscv/sifive_u.c @@ -646,7 +646,8 @@ static void sifive_u_machine_init(MachineState *machine) rom_add_blob_fixed_as("mrom.reset", reset_vec, sizeof(reset_vec), memmap[SIFIVE_U_DEV_MROM].base, &address_space_memory); - riscv_rom_copy_firmware_info(machine, memmap[SIFIVE_U_DEV_MROM].base, + riscv_rom_copy_firmware_info(machine, &s->soc.u_cpus, + memmap[SIFIVE_U_DEV_MROM].base, memmap[SIFIVE_U_DEV_MROM].size, sizeof(reset_vec), kernel_entry); diff --git a/include/hw/riscv/boot.h b/include/hw/riscv/boot.h index a2e4ae9cb0..806256d23f 100644 --- a/include/hw/riscv/boot.h +++ b/include/hw/riscv/boot.h @@ -56,7 +56,9 @@ void riscv_setup_rom_reset_vec(MachineState *machine, RISCVHartArrayState *harts hwaddr rom_base, hwaddr rom_size, uint64_t kernel_entry, uint64_t fdt_load_addr); -void riscv_rom_copy_firmware_info(MachineState *machine, hwaddr rom_base, +void riscv_rom_copy_firmware_info(MachineState *machine, + RISCVHartArrayState *harts, + hwaddr rom_base, hwaddr rom_size, uint32_t reset_vec_size, uint64_t kernel_entry); diff --git a/include/hw/riscv/boot_opensbi.h b/include/hw/riscv/boot_opensbi.h index 1b749663dc..18664a174b 100644 --- a/include/hw/riscv/boot_opensbi.h +++ b/include/hw/riscv/boot_opensbi.h @@ -58,4 +58,33 @@ struct fw_dynamic_info { target_long boot_hart; }; +/** Representation dynamic info passed by previous booting stage */ +struct fw_dynamic_info32 { + /** Info magic */ + int32_t magic; + /** Info version */ + int32_t version; + /** Next booting stage address */ + int32_t next_addr; + /** Next booting stage mode */ + int32_t next_mode; + /** Options for OpenSBI library */ + int32_t options; + /** + * Preferred boot HART id + * + * It is possible that the previous booting stage uses same link + * address as the FW_DYNAMIC firmware. In this case, the relocation + * lottery mechanism can potentially overwrite the previous booting + * stage while other HARTs are still running in the previous booting + * stage leading to boot-time crash. To avoid this boot-time crash, + * the previous booting stage can specify last HART that will jump + * to the FW_DYNAMIC firmware as the preferred boot HART. + * + * To avoid specifying a preferred boot HART, the previous booting + * stage can set it to -1UL which will force the FW_DYNAMIC firmware + * to use the relocation lottery mechanism. + */ + int32_t boot_hart; +}; #endif From patchwork Mon Jul 1 03:37:18 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 13717538 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 01397C2BD09 for ; Mon, 1 Jul 2024 03:40:20 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sO7tU-0005aJ-CL; Sun, 30 Jun 2024 23:39:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7tT-0005Zl-25; Sun, 30 Jun 2024 23:39:55 -0400 Received: from out30-118.freemail.mail.aliyun.com ([115.124.30.118]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7tR-0005ci-AD; Sun, 30 Jun 2024 23:39:54 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1719805188; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=DtCTTcgQaHeZsMD1NdZ8nbaYt34Ve63rXdvVTJTJuOg=; b=pmtlLDH2+g1lTgs/j/izwI0yLiA2iTJt9qMW6A5JDQVdC1QB77y5EIsEJrfvaA6Z1nhXDjsgBNYxHqfkH2QK0B/poljSatfkUJiSpV04hJrz9QOlU+G4GZSb03vF4Fr1ZuIUwEXIak1DDHNdoBd+UxZR/0rJji5INsaTIwsDy+M= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R121e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033045075189; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=9; SR=0; TI=SMTPD_---0W9YPsRm_1719805187; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0W9YPsRm_1719805187) by smtp.aliyun-inc.com; Mon, 01 Jul 2024 11:39:47 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair.francis@wdc.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, bmeng.cn@gmail.com, TANG Tiancheng , Liu Zhiwei Subject: [PATCH 2/6] target/riscv: Adjust PMP size for no-MMU RV64 QEMU running RV32 Date: Mon, 1 Jul 2024 11:37:18 +0800 Message-Id: <20240701033722.954-3-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> References: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.118; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-118.freemail.mail.aliyun.com X-Spam_score_int: -174 X-Spam_score: -17.5 X-Spam_bar: ----------------- X-Spam_report: (-17.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: TANG Tiancheng Ensure pmp_size is correctly determined using mxl for RV32 in RV64 QEMU. Signed-off-by: TANG Tiancheng Reviewed-by: Liu Zhiwei Reviewed-by: Alistair Francis --- target/riscv/pmp.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c index 9eea397e72..f65aa3dba7 100644 --- a/target/riscv/pmp.c +++ b/target/riscv/pmp.c @@ -326,7 +326,7 @@ bool pmp_hart_has_privs(CPURISCVState *env, hwaddr addr, */ pmp_size = -(addr | TARGET_PAGE_MASK); } else { - pmp_size = sizeof(target_ulong); + pmp_size = 2UL << riscv_cpu_mxl(env); } } else { pmp_size = size; From patchwork Mon Jul 1 03:37:19 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 13717539 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 CDCA5C2BD09 for ; Mon, 1 Jul 2024 03:40:38 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sO7u0-0006na-Q8; Sun, 30 Jun 2024 23:40:28 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7ty-0006Z6-S4; Sun, 30 Jun 2024 23:40:26 -0400 Received: from out30-100.freemail.mail.aliyun.com ([115.124.30.100]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7tw-0006TG-VF; Sun, 30 Jun 2024 23:40:26 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1719805219; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=YdcEoj8CgB8O7irbZwmmxqh8LZ3/lGEiuMTR/UhVTBY=; b=kbo4sCig6jMzuRrU1PrI6QAvOuHheZifroBaxcVKJJLD/wvxH5oU6bSfhPd1HYRODC8wTThOG7uj5K5NxY7NkMWoLMTG7bUllKmQFx/AoBY1UQAC5zr8Bs32n0x/ltEcqmifdaJBStW4IpDs7PHmW+IivWWQdHS91eM/4tCZvfM= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R191e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033032014031; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=9; SR=0; TI=SMTPD_---0W9YH8FI_1719805218; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0W9YH8FI_1719805218) by smtp.aliyun-inc.com; Mon, 01 Jul 2024 11:40:19 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair.francis@wdc.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, bmeng.cn@gmail.com, TANG Tiancheng , Liu Zhiwei Subject: [PATCH 3/6] target/riscv: Correct SXL return value for RV32 in RV64 QEMU Date: Mon, 1 Jul 2024 11:37:19 +0800 Message-Id: <20240701033722.954-4-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> References: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.100; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-100.freemail.mail.aliyun.com X-Spam_score_int: -174 X-Spam_score: -17.5 X-Spam_bar: ----------------- X-Spam_report: (-17.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: TANG Tiancheng Ensure that riscv_cpu_sxl returns MXL_RV32 when runningRV32 in an RV64 QEMU. Signed-off-by: TANG Tiancheng Fixes: 05e6ca5e156 ("target/riscv: Ignore reserved bits in PTE for RV64") Reviewed-by: Liu Zhiwei --- target/riscv/cpu.h | 5 ++++- 1 file changed, 4 insertions(+), 1 deletion(-) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 6fe0d712b4..36a712044a 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -668,8 +668,11 @@ static inline RISCVMXL riscv_cpu_sxl(CPURISCVState *env) #ifdef CONFIG_USER_ONLY return env->misa_mxl; #else - return get_field(env->mstatus, MSTATUS64_SXL); + if (env->misa_mxl != MXL_RV32) { + return get_field(env->mstatus, MSTATUS64_SXL); + } #endif + return MXL_RV32; } #endif From patchwork Mon Jul 1 03:37:20 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 13717540 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 220D4C2BD09 for ; Mon, 1 Jul 2024 03:41:31 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sO7uU-0007k4-RF; Sun, 30 Jun 2024 23:40:58 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7uT-0007jd-H7; Sun, 30 Jun 2024 23:40:57 -0400 Received: from out30-133.freemail.mail.aliyun.com ([115.124.30.133]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7uR-0006fF-Hs; Sun, 30 Jun 2024 23:40:57 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1719805250; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=KNIJwiicLcM/7Wiog+PY/1oIh+MFNQW3RRxWUQTZVr4=; b=nIHJ72WNkfLSIjFo9Ku1YeQ3k1p0eV8J50t5lv6pCVheWlSsyvUTNnfcjB3Bme5FV6jQWwLlylUeHLPKKOORRpT+E2G9WY9hPrG2AfVA9MgeR87YX6gHppAiXBITMJvvh5JptFgTMhGE9Xn5345ExpWRE9UJVKfqoptRRP9Plog= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R141e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033037067110; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=9; SR=0; TI=SMTPD_---0W9YH8Qb_1719805249; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0W9YH8Qb_1719805249) by smtp.aliyun-inc.com; Mon, 01 Jul 2024 11:40:50 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair.francis@wdc.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, bmeng.cn@gmail.com, TANG Tiancheng , Liu Zhiwei Subject: [PATCH 4/6] target/riscv: Detect sxl to set bit width for RV32 in RV64 Date: Mon, 1 Jul 2024 11:37:20 +0800 Message-Id: <20240701033722.954-5-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> References: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.133; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-133.freemail.mail.aliyun.com X-Spam_score_int: -174 X-Spam_score: -17.5 X-Spam_bar: ----------------- X-Spam_report: (-17.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: TANG Tiancheng Ensure correct bit width based on sxl when running RV32 on RV64 QEMU. This is required as MMU address translations run in S-mode. Signed-off-by: TANG Tiancheng Reviewed-by: Liu Zhiwei --- target/riscv/cpu_helper.c | 15 +++++++++++---- 1 file changed, 11 insertions(+), 4 deletions(-) diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 6709622dd3..1af83a0a36 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -887,12 +887,14 @@ static int get_physical_address(CPURISCVState *env, hwaddr *physical, CPUState *cs = env_cpu(env); int va_bits = PGSHIFT + levels * ptidxbits + widened; + int sxlen = 16UL << riscv_cpu_sxl(env); + int sxlen_bytes = sxlen / 8; if (first_stage == true) { target_ulong mask, masked_msbs; - if (TARGET_LONG_BITS > (va_bits - 1)) { - mask = (1L << (TARGET_LONG_BITS - (va_bits - 1))) - 1; + if (sxlen > (va_bits - 1)) { + mask = (1L << (sxlen - (va_bits - 1))) - 1; } else { mask = 0; } @@ -961,7 +963,7 @@ restart: int pmp_prot; int pmp_ret = get_physical_address_pmp(env, &pmp_prot, pte_addr, - sizeof(target_ulong), + sxlen_bytes, MMU_DATA_LOAD, PRV_S); if (pmp_ret != TRANSLATE_SUCCESS) { return TRANSLATE_PMP_FAIL; @@ -1113,7 +1115,7 @@ restart: * it is no longer valid and we must re-walk the page table. */ MemoryRegion *mr; - hwaddr l = sizeof(target_ulong), addr1; + hwaddr l = sxlen_bytes, addr1; mr = address_space_translate(cs->as, pte_addr, &addr1, &l, false, MEMTXATTRS_UNSPECIFIED); if (memory_region_is_ram(mr)) { @@ -1126,6 +1128,11 @@ restart: *pte_pa = pte = updated_pte; #else target_ulong old_pte = qatomic_cmpxchg(pte_pa, pte, updated_pte); + if (riscv_cpu_sxl(env) == MXL_RV32) { + old_pte = qatomic_cmpxchg((uint32_t *)pte_pa, pte, updated_pte); + } else { + old_pte = qatomic_cmpxchg(pte_pa, pte, updated_pte); + } if (old_pte != pte) { goto restart; } From patchwork Mon Jul 1 03:37:21 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 13717541 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 4DB96C2BD09 for ; Mon, 1 Jul 2024 03:41:50 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sO7v3-0008Pr-Jh; Sun, 30 Jun 2024 23:41:33 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7v2-0008Ne-09; Sun, 30 Jun 2024 23:41:32 -0400 Received: from out30-132.freemail.mail.aliyun.com ([115.124.30.132]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7uz-000803-G9; Sun, 30 Jun 2024 23:41:31 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1719805284; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=ijeFQ1uu3AqezMrH1y+XoG5ccQ0r77dd1yj2hPGKvOY=; b=aM5NuDiB9zsqs6vmoYuPaRSjdUgGUJA58bAXAdjEzklywqEJ9R13drCkAx4o7zPmeEiiDAD9d22+DeQiaSbz8FnRLhPxJ1+NmnJLH0pLG5UaLHsxYbWlGcz/IFWSA5f2qww7CCDFP92sAb/R88sZeizsUlFSXt3Wl0SopXWFlTo= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R151e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033037067110; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=9; SR=0; TI=SMTPD_---0W9YR0Ak_1719805280; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0W9YR0Ak_1719805280) by smtp.aliyun-inc.com; Mon, 01 Jul 2024 11:41:21 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair.francis@wdc.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, bmeng.cn@gmail.com, TANG Tiancheng , Liu Zhiwei Subject: [PATCH 5/6] target/riscv: Correct mcause/scause bit width for RV32 in RV64 QEMU Date: Mon, 1 Jul 2024 11:37:21 +0800 Message-Id: <20240701033722.954-6-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> References: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.132; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-132.freemail.mail.aliyun.com X-Spam_score_int: -174 X-Spam_score: -17.5 X-Spam_bar: ----------------- X-Spam_report: (-17.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: TANG Tiancheng Ensure mcause high bit is correctly set by using 32-bit width for RV32 mode and 64-bit width for RV64 mode. Signed-off-by: TANG Tiancheng Reviewed-by: Liu Zhiwei --- target/riscv/cpu_helper.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 1af83a0a36..88a187c10a 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -1673,6 +1673,8 @@ void riscv_cpu_do_interrupt(CPUState *cs) target_ulong tinst = 0; target_ulong htval = 0; target_ulong mtval2 = 0; + int sxlen = 0; + int mxlen = 0; if (!async) { /* set tval to badaddr for traps with address information */ @@ -1799,7 +1801,8 @@ void riscv_cpu_do_interrupt(CPUState *cs) s = set_field(s, MSTATUS_SPP, env->priv); s = set_field(s, MSTATUS_SIE, 0); env->mstatus = s; - env->scause = cause | ((target_ulong)async << (TARGET_LONG_BITS - 1)); + sxlen = 16UL << riscv_cpu_sxl(env); + env->scause = cause | ((target_ulong)async << (sxlen - 1)); env->sepc = env->pc; env->stval = tval; env->htval = htval; @@ -1830,7 +1833,8 @@ void riscv_cpu_do_interrupt(CPUState *cs) s = set_field(s, MSTATUS_MPP, env->priv); s = set_field(s, MSTATUS_MIE, 0); env->mstatus = s; - env->mcause = cause | ~(((target_ulong)-1) >> async); + mxlen = 16UL << riscv_cpu_mxl(env); + env->mcause = cause | ((target_ulong)async << (mxlen - 1)); env->mepc = env->pc; env->mtval = tval; env->mtval2 = mtval2; From patchwork Mon Jul 1 03:37:22 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: LIU Zhiwei X-Patchwork-Id: 13717543 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 84324C3065A for ; Mon, 1 Jul 2024 03:42:04 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sO7vU-0000j1-8S; Sun, 30 Jun 2024 23:42:00 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7vS-0000c1-D0; Sun, 30 Jun 2024 23:41:58 -0400 Received: from out30-132.freemail.mail.aliyun.com ([115.124.30.132]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sO7vQ-00082z-M5; Sun, 30 Jun 2024 23:41:58 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linux.alibaba.com; s=default; t=1719805313; h=From:To:Subject:Date:Message-Id:MIME-Version; bh=pFmkkF8L8S//h49pBMaqQ+MUSB6WVWFO6cwt6uFHPNY=; b=vFsVWFjX+pAJQxLNkluSP7AWacwRVI3LvLnRxIRVGcFsI5w+8qkT1CaxIRNTfFfmNlbIhchbyfjTO3r8kStKPmMdeMRXb7MUYROGdGj/zDYI++ve9HE/7CvgrGZeqYt1U+KG24xw7uTnM0IP1wok29H+NVDBPFrukXSu0/prNqE= X-Alimail-AntiSpam: AC=PASS; BC=-1|-1; BR=01201311R781e4; CH=green; DM=||false|; DS=||; FP=0|-1|-1|-1|0|-1|-1|-1; HT=maildocker-contentspam033045046011; MF=zhiwei_liu@linux.alibaba.com; NM=1; PH=DS; RN=9; SR=0; TI=SMTPD_---0W9YWJUA_1719805311; Received: from L-PF1D6DP4-1208.hz.ali.com(mailfrom:zhiwei_liu@linux.alibaba.com fp:SMTPD_---0W9YWJUA_1719805311) by smtp.aliyun-inc.com; Mon, 01 Jul 2024 11:41:52 +0800 From: LIU Zhiwei To: qemu-devel@nongnu.org Cc: qemu-riscv@nongnu.org, palmer@dabbelt.com, alistair.francis@wdc.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, bmeng.cn@gmail.com, TANG Tiancheng , Liu Zhiwei Subject: [PATCH 6/6] target/riscv: Enable RV32 CPU support in RV64 QEMU Date: Mon, 1 Jul 2024 11:37:22 +0800 Message-Id: <20240701033722.954-7-zhiwei_liu@linux.alibaba.com> X-Mailer: git-send-email 2.23.0 In-Reply-To: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> References: <20240701033722.954-1-zhiwei_liu@linux.alibaba.com> MIME-Version: 1.0 Received-SPF: pass client-ip=115.124.30.132; envelope-from=zhiwei_liu@linux.alibaba.com; helo=out30-132.freemail.mail.aliyun.com X-Spam_score_int: -174 X-Spam_score: -17.5 X-Spam_bar: ----------------- X-Spam_report: (-17.5 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, ENV_AND_HDR_SPF_MATCH=-0.5, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, UNPARSEABLE_RELAY=0.001, USER_IN_DEF_DKIM_WL=-7.5, USER_IN_DEF_SPF_WL=-7.5 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: TANG Tiancheng Add gdb XML files and adjust CPU initialization to allow running RV32 CPUs in RV64 QEMU. Signed-off-by: TANG Tiancheng Reviewed-by: Liu Zhiwei --- configs/targets/riscv64-softmmu.mak | 2 +- target/riscv/cpu.c | 17 +++++++++++++---- 2 files changed, 14 insertions(+), 5 deletions(-) diff --git a/configs/targets/riscv64-softmmu.mak b/configs/targets/riscv64-softmmu.mak index f688ffa7bc..5c1abb4b51 100644 --- a/configs/targets/riscv64-softmmu.mak +++ b/configs/targets/riscv64-softmmu.mak @@ -1,6 +1,6 @@ TARGET_ARCH=riscv64 TARGET_BASE_ARCH=riscv TARGET_SUPPORTS_MTTCG=y -TARGET_XML_FILES= gdb-xml/riscv-64bit-cpu.xml gdb-xml/riscv-32bit-fpu.xml gdb-xml/riscv-64bit-fpu.xml gdb-xml/riscv-64bit-virtual.xml +TARGET_XML_FILES= gdb-xml/riscv-64bit-cpu.xml gdb-xml/riscv-32bit-fpu.xml gdb-xml/riscv-64bit-fpu.xml gdb-xml/riscv-64bit-virtual.xml gdb-xml/riscv-32bit-cpu.xml gdb-xml/riscv-32bit-virtual.xml # needed by boot.c TARGET_NEED_FDT=y diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 69a08e8c2c..58165901a2 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -630,8 +630,10 @@ static void rv64e_bare_cpu_init(Object *obj) riscv_cpu_set_misa_ext(env, RVE); } -#else /* !TARGET_RISCV64 */ +#endif /* !TARGET_RISCV64 */ +#if defined(TARGET_RISCV32) || \ + (defined(TARGET_RISCV64) && !defined(CONFIG_USER_ONLY)) static void rv32_base_cpu_init(Object *obj) { RISCVCPU *cpu = RISCV_CPU(obj); @@ -2544,6 +2546,13 @@ static const TypeInfo riscv_cpu_type_infos[] = { #if defined(TARGET_RISCV32) DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_ANY, MXL_RV32, riscv_any_cpu_init), DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_MAX, MXL_RV32, riscv_max_cpu_init), +#elif defined(TARGET_RISCV64) + DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_ANY, MXL_RV64, riscv_any_cpu_init), + DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_MAX, MXL_RV64, riscv_max_cpu_init), +#endif + +#if defined(TARGET_RISCV32) || \ + (defined(TARGET_RISCV64) && !defined(CONFIG_USER_ONLY)) DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE32, MXL_RV32, rv32_base_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_IBEX, MXL_RV32, rv32_ibex_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_E31, MXL_RV32, rv32_sifive_e_cpu_init), @@ -2551,9 +2560,9 @@ static const TypeInfo riscv_cpu_type_infos[] = { DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_U34, MXL_RV32, rv32_sifive_u_cpu_init), DEFINE_BARE_CPU(TYPE_RISCV_CPU_RV32I, MXL_RV32, rv32i_bare_cpu_init), DEFINE_BARE_CPU(TYPE_RISCV_CPU_RV32E, MXL_RV32, rv32e_bare_cpu_init), -#elif defined(TARGET_RISCV64) - DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_ANY, MXL_RV64, riscv_any_cpu_init), - DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_MAX, MXL_RV64, riscv_max_cpu_init), +#endif + +#if defined(TARGET_RISCV64) DEFINE_DYNAMIC_CPU(TYPE_RISCV_CPU_BASE64, MXL_RV64, rv64_base_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_E51, MXL_RV64, rv64_sifive_e_cpu_init), DEFINE_VENDOR_CPU(TYPE_RISCV_CPU_SIFIVE_U54, MXL_RV64, rv64_sifive_u_cpu_init),