From patchwork Mon Oct 26 11:55:25 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiangyifei X-Patchwork-Id: 302040 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6C080C4363A for ; Mon, 26 Oct 2020 11:59:37 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id EAEAD22263 for ; Mon, 26 Oct 2020 11:59:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EAEAD22263 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:54478 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kX1A0-0005WX-1c for qemu-devel@archiver.kernel.org; Mon, 26 Oct 2020 07:59:36 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38836) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kX16T-0000ZC-EJ; Mon, 26 Oct 2020 07:55:57 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:2298) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kX16O-0000hb-Qm; Mon, 26 Oct 2020 07:55:57 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CKYFJ186BzkZd4; Mon, 26 Oct 2020 19:55:48 +0800 (CST) Received: from huawei.com (10.174.186.209) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Mon, 26 Oct 2020 19:55:35 +0800 From: Yifei Jiang To: , Subject: [PATCH V4 1/6] target/riscv: Merge m/vsstatus and m/vsstatush into one uint64_t unit Date: Mon, 26 Oct 2020 19:55:25 +0800 Message-ID: <20201026115530.304-2-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20201026115530.304-1-jiangyifei@huawei.com> References: <20201026115530.304-1-jiangyifei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.209] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=jiangyifei@huawei.com; helo=szxga04-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/26 07:55:44 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: zhang.zhanghailiang@huawei.com, sagark@eecs.berkeley.edu, kbastian@mail.uni-paderborn.de, victor.zhangxiaofeng@huawei.com, richard.henderson@linaro.org, Yifei Jiang , Alistair Francis , yinyipeng1@huawei.com, palmer@dabbelt.com, wu.wubin@huawei.com, dengkai1@huawei.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" mstatus/mstatush and vsstatus/vsstatush are two halved for RISCV32. This patch expands mstatus and vsstatus to uint64_t instead of target_ulong so that it can be saved as one unit and reduce some ifdefs in the code. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin Signed-off-by: Alistair Francis Reviewed-by: Alistair Francis --- target/riscv/cpu.c | 8 +++++--- target/riscv/cpu.h | 24 +++++++++++------------- target/riscv/cpu_bits.h | 19 ++++--------------- target/riscv/cpu_helper.c | 35 +++++++---------------------------- target/riscv/csr.c | 18 ++++++++++-------- target/riscv/op_helper.c | 11 ++++------- 6 files changed, 41 insertions(+), 74 deletions(-) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 0bbfd7f457..dd05a220c7 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -216,13 +216,15 @@ static void riscv_cpu_dump_state(CPUState *cs, FILE *f, int flags) qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "pc ", env->pc); #ifndef CONFIG_USER_ONLY qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mhartid ", env->mhartid); - qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mstatus ", env->mstatus); + qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mstatus ", (target_ulong)env->mstatus); #ifdef TARGET_RISCV32 - qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mstatush ", env->mstatush); + qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mstatush ", + (target_ulong)(env->mstatus >> 32)); #endif if (riscv_has_ext(env, RVH)) { qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "hstatus ", env->hstatus); - qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "vsstatus ", env->vsstatus); + qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "vsstatus ", + (target_ulong)env->vsstatus); } qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mip ", env->mip); qemu_fprintf(f, " %s " TARGET_FMT_lx "\n", "mie ", env->mie); diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index de275782e6..e430670b60 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -140,14 +140,14 @@ struct CPURISCVState { target_ulong resetvec; target_ulong mhartid; - target_ulong mstatus; + /* + * For RV32 this is 32-bit mstatus and 32-bit mstatush. + * For RV64 this is a 64-bit mstatus. + */ + uint64_t mstatus; target_ulong mip; -#ifdef TARGET_RISCV32 - target_ulong mstatush; -#endif - uint32_t miclaim; target_ulong mie; @@ -179,16 +179,17 @@ struct CPURISCVState { uint64_t htimedelta; /* Virtual CSRs */ - target_ulong vsstatus; + /* + * For RV32 this is 32-bit vsstatus and 32-bit vsstatush. + * For RV64 this is a 64-bit vsstatus. + */ + uint64_t vsstatus; target_ulong vstvec; target_ulong vsscratch; target_ulong vsepc; target_ulong vscause; target_ulong vstval; target_ulong vsatp; -#ifdef TARGET_RISCV32 - target_ulong vsstatush; -#endif target_ulong mtval2; target_ulong mtinst; @@ -200,10 +201,7 @@ struct CPURISCVState { target_ulong scause_hs; target_ulong stval_hs; target_ulong satp_hs; - target_ulong mstatus_hs; -#ifdef TARGET_RISCV32 - target_ulong mstatush_hs; -#endif + uint64_t mstatus_hs; target_ulong scounteren; target_ulong mcounteren; diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index bd36062877..daedad8691 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -4,10 +4,10 @@ #define TARGET_RISCV_CPU_BITS_H #define get_field(reg, mask) (((reg) & \ - (target_ulong)(mask)) / ((mask) & ~((mask) << 1))) -#define set_field(reg, mask, val) (((reg) & ~(target_ulong)(mask)) | \ - (((target_ulong)(val) * ((mask) & ~((mask) << 1))) & \ - (target_ulong)(mask))) + (uint64_t)(mask)) / ((mask) & ~((mask) << 1))) +#define set_field(reg, mask, val) (((reg) & ~(uint64_t)(mask)) | \ + (((uint64_t)(val) * ((mask) & ~((mask) << 1))) & \ + (uint64_t)(mask))) /* Floating point round mode */ #define FSR_RD_SHIFT 5 @@ -381,19 +381,8 @@ #define MSTATUS_TVM 0x00100000 /* since: priv-1.10 */ #define MSTATUS_TW 0x20000000 /* since: priv-1.10 */ #define MSTATUS_TSR 0x40000000 /* since: priv-1.10 */ -#if defined(TARGET_RISCV64) #define MSTATUS_GVA 0x4000000000ULL #define MSTATUS_MPV 0x8000000000ULL -#elif defined(TARGET_RISCV32) -#define MSTATUS_GVA 0x00000040 -#define MSTATUS_MPV 0x00000080 -#endif - -#ifdef TARGET_RISCV32 -# define MSTATUS_MPV_ISSET(env) get_field(env->mstatush, MSTATUS_MPV) -#else -# define MSTATUS_MPV_ISSET(env) get_field(env->mstatus, MSTATUS_MPV) -#endif #define MSTATUS64_UXL 0x0000000300000000ULL #define MSTATUS64_SXL 0x0000000C00000000ULL diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 904899054d..109ee4bad6 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -110,27 +110,19 @@ bool riscv_cpu_fp_enabled(CPURISCVState *env) void riscv_cpu_swap_hypervisor_regs(CPURISCVState *env) { - target_ulong mstatus_mask = MSTATUS_MXR | MSTATUS_SUM | MSTATUS_FS | - MSTATUS_SPP | MSTATUS_SPIE | MSTATUS_SIE; + uint64_t mstatus_mask = MSTATUS_MXR | MSTATUS_SUM | MSTATUS_FS | + MSTATUS_SPP | MSTATUS_SPIE | MSTATUS_SIE | + MSTATUS64_UXL; bool current_virt = riscv_cpu_virt_enabled(env); g_assert(riscv_has_ext(env, RVH)); -#if defined(TARGET_RISCV64) - mstatus_mask |= MSTATUS64_UXL; -#endif - if (current_virt) { /* Current V=1 and we are about to change to V=0 */ env->vsstatus = env->mstatus & mstatus_mask; env->mstatus &= ~mstatus_mask; env->mstatus |= env->mstatus_hs; -#if defined(TARGET_RISCV32) - env->vsstatush = env->mstatush; - env->mstatush |= env->mstatush_hs; -#endif - env->vstvec = env->stvec; env->stvec = env->stvec_hs; @@ -154,11 +146,6 @@ void riscv_cpu_swap_hypervisor_regs(CPURISCVState *env) env->mstatus &= ~mstatus_mask; env->mstatus |= env->vsstatus; -#if defined(TARGET_RISCV32) - env->mstatush_hs = env->mstatush; - env->mstatush |= env->vsstatush; -#endif - env->stvec_hs = env->stvec; env->stvec = env->vstvec; @@ -720,7 +707,7 @@ bool riscv_cpu_tlb_fill(CPUState *cs, vaddr address, int size, if (riscv_has_ext(env, RVH) && env->priv == PRV_M && access_type != MMU_INST_FETCH && get_field(env->mstatus, MSTATUS_MPRV) && - MSTATUS_MPV_ISSET(env)) { + get_field(env->mstatus, MSTATUS_MPV)) { riscv_cpu_set_two_stage_lookup(env, true); } @@ -781,7 +768,7 @@ bool riscv_cpu_tlb_fill(CPUState *cs, vaddr address, int size, if (riscv_has_ext(env, RVH) && env->priv == PRV_M && access_type != MMU_INST_FETCH && get_field(env->mstatus, MSTATUS_MPRV) && - MSTATUS_MPV_ISSET(env)) { + get_field(env->mstatus, MSTATUS_MPV)) { riscv_cpu_set_two_stage_lookup(env, false); } @@ -844,7 +831,7 @@ void riscv_cpu_do_interrupt(CPUState *cs) RISCVCPU *cpu = RISCV_CPU(cs); CPURISCVState *env = &cpu->env; bool force_hs_execp = riscv_cpu_force_hs_excep_enabled(env); - target_ulong s; + uint64_t s; /* cs->exception is 32-bits wide unlike mcause which is XLEN-bits wide * so we mask off the MSB and separate into trap type and cause. @@ -969,19 +956,11 @@ void riscv_cpu_do_interrupt(CPUState *cs) if (riscv_cpu_virt_enabled(env)) { riscv_cpu_swap_hypervisor_regs(env); } -#ifdef TARGET_RISCV32 - env->mstatush = set_field(env->mstatush, MSTATUS_MPV, - riscv_cpu_virt_enabled(env)); - if (riscv_cpu_virt_enabled(env) && tval) { - env->mstatush = set_field(env->mstatush, MSTATUS_GVA, 1); - } -#else env->mstatus = set_field(env->mstatus, MSTATUS_MPV, - riscv_cpu_virt_enabled(env)); + riscv_cpu_virt_enabled(env)); if (riscv_cpu_virt_enabled(env) && tval) { env->mstatus = set_field(env->mstatus, MSTATUS_GVA, 1); } -#endif mtval2 = env->guest_phys_fault_addr; diff --git a/target/riscv/csr.c b/target/riscv/csr.c index aaef6c6f20..e33f6cdc11 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -446,8 +446,8 @@ static int validate_vm(CPURISCVState *env, target_ulong vm) static int write_mstatus(CPURISCVState *env, int csrno, target_ulong val) { - target_ulong mstatus = env->mstatus; - target_ulong mask = 0; + uint64_t mstatus = env->mstatus; + uint64_t mask = 0; int dirty; /* flush tlb on mstatus fields that affect VM */ @@ -480,19 +480,20 @@ static int write_mstatus(CPURISCVState *env, int csrno, target_ulong val) #ifdef TARGET_RISCV32 static int read_mstatush(CPURISCVState *env, int csrno, target_ulong *val) { - *val = env->mstatush; + *val = env->mstatus >> 32; return 0; } static int write_mstatush(CPURISCVState *env, int csrno, target_ulong val) { - if ((val ^ env->mstatush) & (MSTATUS_MPV)) { + uint64_t valh = (uint64_t)val << 32; + uint64_t mask = MSTATUS_MPV | MSTATUS_GVA; + + if ((valh ^ env->mstatus) & (MSTATUS_MPV)) { tlb_flush(env_cpu(env)); } - val &= MSTATUS_MPV | MSTATUS_GVA; - - env->mstatush = val; + env->mstatus = (env->mstatus & ~mask) | (valh & mask); return 0; } @@ -1105,7 +1106,8 @@ static int read_vsstatus(CPURISCVState *env, int csrno, target_ulong *val) static int write_vsstatus(CPURISCVState *env, int csrno, target_ulong val) { - env->vsstatus = val; + uint64_t mask = (target_ulong)-1; + env->vsstatus = (env->vsstatus & ~mask) | (uint64_t)val; return 0; } diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index 9b9ada45a9..e0b45e5eb7 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -79,7 +79,8 @@ target_ulong helper_csrrc(CPURISCVState *env, target_ulong src, target_ulong helper_sret(CPURISCVState *env, target_ulong cpu_pc_deb) { - target_ulong prev_priv, prev_virt, mstatus; + uint64_t mstatus; + target_ulong prev_priv, prev_virt; if (!(env->priv >= PRV_S)) { riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC()); @@ -148,18 +149,14 @@ target_ulong helper_mret(CPURISCVState *env, target_ulong cpu_pc_deb) riscv_raise_exception(env, RISCV_EXCP_INST_ADDR_MIS, GETPC()); } - target_ulong mstatus = env->mstatus; + uint64_t mstatus = env->mstatus; target_ulong prev_priv = get_field(mstatus, MSTATUS_MPP); - target_ulong prev_virt = MSTATUS_MPV_ISSET(env); + target_ulong prev_virt = get_field(env->mstatus, MSTATUS_MPV); mstatus = set_field(mstatus, MSTATUS_MIE, get_field(mstatus, MSTATUS_MPIE)); mstatus = set_field(mstatus, MSTATUS_MPIE, 1); mstatus = set_field(mstatus, MSTATUS_MPP, PRV_U); -#ifdef TARGET_RISCV32 - env->mstatush = set_field(env->mstatush, MSTATUS_MPV, 0); -#else mstatus = set_field(mstatus, MSTATUS_MPV, 0); -#endif env->mstatus = mstatus; riscv_cpu_set_mode(env, prev_priv); From patchwork Mon Oct 26 11:55:26 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiangyifei X-Patchwork-Id: 270431 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 7C9BCC56201 for ; Mon, 26 Oct 2020 11:57:43 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 11F482076D for ; Mon, 26 Oct 2020 11:57:42 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 11F482076D Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:47036 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kX18A-0002RU-0e for qemu-devel@archiver.kernel.org; Mon, 26 Oct 2020 07:57:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38848) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kX16U-0000Zj-2m; Mon, 26 Oct 2020 07:55:58 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:2299) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kX16R-0000hc-6B; Mon, 26 Oct 2020 07:55:57 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CKYFJ1N2CzkZdK; Mon, 26 Oct 2020 19:55:48 +0800 (CST) Received: from huawei.com (10.174.186.209) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Mon, 26 Oct 2020 19:55:37 +0800 From: Yifei Jiang To: , Subject: [PATCH V4 2/6] target/riscv: Add basic vmstate description of CPU Date: Mon, 26 Oct 2020 19:55:26 +0800 Message-ID: <20201026115530.304-3-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20201026115530.304-1-jiangyifei@huawei.com> References: <20201026115530.304-1-jiangyifei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.209] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=jiangyifei@huawei.com; helo=szxga04-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/26 07:55:44 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: zhang.zhanghailiang@huawei.com, sagark@eecs.berkeley.edu, kbastian@mail.uni-paderborn.de, victor.zhangxiaofeng@huawei.com, richard.henderson@linaro.org, Yifei Jiang , Alistair Francis , yinyipeng1@huawei.com, palmer@dabbelt.com, wu.wubin@huawei.com, dengkai1@huawei.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add basic CPU state description to the newly created machine.c Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin Reviewed-by: Alistair Francis --- target/riscv/cpu.c | 8 +---- target/riscv/internals.h | 4 +++ target/riscv/machine.c | 74 ++++++++++++++++++++++++++++++++++++++++ target/riscv/meson.build | 3 +- 4 files changed, 81 insertions(+), 8 deletions(-) create mode 100644 target/riscv/machine.c diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index dd05a220c7..6a0264fc6b 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -22,6 +22,7 @@ #include "qemu/ctype.h" #include "qemu/log.h" #include "cpu.h" +#include "internals.h" #include "exec/exec-all.h" #include "qapi/error.h" #include "qemu/error-report.h" @@ -498,13 +499,6 @@ static void riscv_cpu_init(Object *obj) cpu_set_cpustate_pointers(cpu); } -#ifndef CONFIG_USER_ONLY -static const VMStateDescription vmstate_riscv_cpu = { - .name = "cpu", - .unmigratable = 1, -}; -#endif - static Property riscv_cpu_properties[] = { DEFINE_PROP_BOOL("i", RISCVCPU, cfg.ext_i, true), DEFINE_PROP_BOOL("e", RISCVCPU, cfg.ext_e, false), diff --git a/target/riscv/internals.h b/target/riscv/internals.h index f1a546dba6..b15ad394bb 100644 --- a/target/riscv/internals.h +++ b/target/riscv/internals.h @@ -38,6 +38,10 @@ target_ulong fclass_d(uint64_t frs1); #define SEW32 2 #define SEW64 3 +#ifndef CONFIG_USER_ONLY +extern const VMStateDescription vmstate_riscv_cpu; +#endif + static inline uint64_t nanbox_s(float32 f) { return f | MAKE_64BIT_MASK(32, 32); diff --git a/target/riscv/machine.c b/target/riscv/machine.c new file mode 100644 index 0000000000..32edbcba7c --- /dev/null +++ b/target/riscv/machine.c @@ -0,0 +1,74 @@ +/* + * RISC-V VMState Description + * + * Copyright (c) 2020 Huawei Technologies Co., Ltd + * + * 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 . + */ + +#include "qemu/osdep.h" +#include "cpu.h" +#include "qemu/error-report.h" +#include "sysemu/kvm.h" +#include "migration/cpu.h" + +const VMStateDescription vmstate_riscv_cpu = { + .name = "cpu", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINTTL_ARRAY(env.gpr, RISCVCPU, 32), + VMSTATE_UINT64_ARRAY(env.fpr, RISCVCPU, 32), + VMSTATE_UINTTL(env.pc, RISCVCPU), + VMSTATE_UINTTL(env.load_res, RISCVCPU), + VMSTATE_UINTTL(env.load_val, RISCVCPU), + VMSTATE_UINTTL(env.frm, RISCVCPU), + VMSTATE_UINTTL(env.badaddr, RISCVCPU), + VMSTATE_UINTTL(env.guest_phys_fault_addr, RISCVCPU), + VMSTATE_UINTTL(env.priv_ver, RISCVCPU), + VMSTATE_UINTTL(env.vext_ver, RISCVCPU), + VMSTATE_UINTTL(env.misa, RISCVCPU), + VMSTATE_UINTTL(env.misa_mask, RISCVCPU), + VMSTATE_UINT32(env.features, RISCVCPU), + VMSTATE_UINTTL(env.priv, RISCVCPU), + VMSTATE_UINTTL(env.virt, RISCVCPU), + VMSTATE_UINTTL(env.resetvec, RISCVCPU), + VMSTATE_UINTTL(env.mhartid, RISCVCPU), + VMSTATE_UINT64(env.mstatus, RISCVCPU), + VMSTATE_UINTTL(env.mip, RISCVCPU), + VMSTATE_UINT32(env.miclaim, RISCVCPU), + VMSTATE_UINTTL(env.mie, RISCVCPU), + VMSTATE_UINTTL(env.mideleg, RISCVCPU), + VMSTATE_UINTTL(env.sptbr, RISCVCPU), + VMSTATE_UINTTL(env.satp, RISCVCPU), + VMSTATE_UINTTL(env.sbadaddr, RISCVCPU), + VMSTATE_UINTTL(env.mbadaddr, RISCVCPU), + VMSTATE_UINTTL(env.medeleg, RISCVCPU), + VMSTATE_UINTTL(env.stvec, RISCVCPU), + VMSTATE_UINTTL(env.sepc, RISCVCPU), + VMSTATE_UINTTL(env.scause, RISCVCPU), + VMSTATE_UINTTL(env.mtvec, RISCVCPU), + VMSTATE_UINTTL(env.mepc, RISCVCPU), + VMSTATE_UINTTL(env.mcause, RISCVCPU), + VMSTATE_UINTTL(env.mtval, RISCVCPU), + VMSTATE_UINTTL(env.scounteren, RISCVCPU), + VMSTATE_UINTTL(env.mcounteren, RISCVCPU), + VMSTATE_UINTTL(env.sscratch, RISCVCPU), + VMSTATE_UINTTL(env.mscratch, RISCVCPU), + VMSTATE_UINT64(env.mfromhost, RISCVCPU), + VMSTATE_UINT64(env.mtohost, RISCVCPU), + VMSTATE_UINT64(env.timecmp, RISCVCPU), + + VMSTATE_END_OF_LIST() + } +}; diff --git a/target/riscv/meson.build b/target/riscv/meson.build index abd647fea1..14a5c62dac 100644 --- a/target/riscv/meson.build +++ b/target/riscv/meson.build @@ -27,7 +27,8 @@ riscv_ss.add(files( riscv_softmmu_ss = ss.source_set() riscv_softmmu_ss.add(files( 'pmp.c', - 'monitor.c' + 'monitor.c', + 'machine.c' )) target_arch += {'riscv': riscv_ss} From patchwork Mon Oct 26 11:55:27 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiangyifei X-Patchwork-Id: 302042 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6AE1EC2D0A3 for ; Mon, 26 Oct 2020 11:57:39 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id E208C20738 for ; Mon, 26 Oct 2020 11:57:38 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org E208C20738 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:46594 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kX186-0002Gb-1C for qemu-devel@archiver.kernel.org; Mon, 26 Oct 2020 07:57:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38802) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kX16S-0000Z1-5g; Mon, 26 Oct 2020 07:55:56 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:2360) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kX16O-0000hq-Qk; Mon, 26 Oct 2020 07:55:55 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CKYFP0Xrfz15MVn; Mon, 26 Oct 2020 19:55:53 +0800 (CST) Received: from huawei.com (10.174.186.209) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Mon, 26 Oct 2020 19:55:38 +0800 From: Yifei Jiang To: , Subject: [PATCH V4 3/6] target/riscv: Add PMP state description Date: Mon, 26 Oct 2020 19:55:27 +0800 Message-ID: <20201026115530.304-4-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20201026115530.304-1-jiangyifei@huawei.com> References: <20201026115530.304-1-jiangyifei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.209] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=jiangyifei@huawei.com; helo=szxga04-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/26 07:55:44 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: zhang.zhanghailiang@huawei.com, sagark@eecs.berkeley.edu, kbastian@mail.uni-paderborn.de, victor.zhangxiaofeng@huawei.com, richard.henderson@linaro.org, Yifei Jiang , Alistair Francis , yinyipeng1@huawei.com, palmer@dabbelt.com, wu.wubin@huawei.com, dengkai1@huawei.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" In the case of supporting PMP feature, add PMP state description to vmstate_riscv_cpu. 'vmstate_pmp_addr' and 'num_rules' could be regenerated by pmp_update_rule(). But there exists the problem of updating num_rules repeatedly in pmp_update_rule(). So here extracts pmp_update_rule_addr() and pmp_update_rule_nums() to update 'vmstate_pmp_addr' and 'num_rules' respectively. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin Reviewed-by: Alistair Francis --- target/riscv/machine.c | 50 ++++++++++++++++++++++++++++++++++++++++++ target/riscv/pmp.c | 29 ++++++++++++++---------- target/riscv/pmp.h | 2 ++ 3 files changed, 70 insertions(+), 11 deletions(-) diff --git a/target/riscv/machine.c b/target/riscv/machine.c index 32edbcba7c..fc1461d88e 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -22,6 +22,52 @@ #include "sysemu/kvm.h" #include "migration/cpu.h" +static bool pmp_needed(void *opaque) +{ + RISCVCPU *cpu = opaque; + CPURISCVState *env = &cpu->env; + + return riscv_feature(env, RISCV_FEATURE_PMP); +} + +static int pmp_post_load(void *opaque, int version_id) +{ + RISCVCPU *cpu = opaque; + CPURISCVState *env = &cpu->env; + int i; + + for (i = 0; i < MAX_RISCV_PMPS; i++) { + pmp_update_rule_addr(env, i); + } + pmp_update_rule_nums(env); + + return 0; +} + +static const VMStateDescription vmstate_pmp_entry = { + .name = "cpu/pmp/entry", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_UINTTL(addr_reg, pmp_entry_t), + VMSTATE_UINT8(cfg_reg, pmp_entry_t), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription vmstate_pmp = { + .name = "cpu/pmp", + .version_id = 1, + .minimum_version_id = 1, + .needed = pmp_needed, + .post_load = pmp_post_load, + .fields = (VMStateField[]) { + VMSTATE_STRUCT_ARRAY(env.pmp_state.pmp, RISCVCPU, MAX_RISCV_PMPS, + 0, vmstate_pmp_entry, pmp_entry_t), + VMSTATE_END_OF_LIST() + } +}; + const VMStateDescription vmstate_riscv_cpu = { .name = "cpu", .version_id = 1, @@ -70,5 +116,9 @@ const VMStateDescription vmstate_riscv_cpu = { VMSTATE_UINT64(env.timecmp, RISCVCPU), VMSTATE_END_OF_LIST() + }, + .subsections = (const VMStateDescription * []) { + &vmstate_pmp, + NULL } }; diff --git a/target/riscv/pmp.c b/target/riscv/pmp.c index c394e867f8..2eda8e1e2f 100644 --- a/target/riscv/pmp.c +++ b/target/riscv/pmp.c @@ -136,18 +136,8 @@ static void pmp_decode_napot(target_ulong a, target_ulong *sa, target_ulong *ea) } } - -/* Convert cfg/addr reg values here into simple 'sa' --> start address and 'ea' - * end address values. - * This function is called relatively infrequently whereas the check that - * an address is within a pmp rule is called often, so optimise that one - */ -static void pmp_update_rule(CPURISCVState *env, uint32_t pmp_index) +void pmp_update_rule_addr(CPURISCVState *env, uint32_t pmp_index) { - int i; - - env->pmp_state.num_rules = 0; - uint8_t this_cfg = env->pmp_state.pmp[pmp_index].cfg_reg; target_ulong this_addr = env->pmp_state.pmp[pmp_index].addr_reg; target_ulong prev_addr = 0u; @@ -186,7 +176,13 @@ static void pmp_update_rule(CPURISCVState *env, uint32_t pmp_index) env->pmp_state.addr[pmp_index].sa = sa; env->pmp_state.addr[pmp_index].ea = ea; +} +void pmp_update_rule_nums(CPURISCVState *env) +{ + int i; + + env->pmp_state.num_rules = 0; for (i = 0; i < MAX_RISCV_PMPS; i++) { const uint8_t a_field = pmp_get_a_field(env->pmp_state.pmp[i].cfg_reg); @@ -196,6 +192,17 @@ static void pmp_update_rule(CPURISCVState *env, uint32_t pmp_index) } } +/* Convert cfg/addr reg values here into simple 'sa' --> start address and 'ea' + * end address values. + * This function is called relatively infrequently whereas the check that + * an address is within a pmp rule is called often, so optimise that one + */ +static void pmp_update_rule(CPURISCVState *env, uint32_t pmp_index) +{ + pmp_update_rule_addr(env, pmp_index); + pmp_update_rule_nums(env); +} + static int pmp_is_in_range(CPURISCVState *env, int pmp_index, target_ulong addr) { int result = 0; diff --git a/target/riscv/pmp.h b/target/riscv/pmp.h index 6a8f072871..6c6b4c9bef 100644 --- a/target/riscv/pmp.h +++ b/target/riscv/pmp.h @@ -62,5 +62,7 @@ bool pmp_hart_has_privs(CPURISCVState *env, target_ulong addr, target_ulong size, pmp_priv_t priv, target_ulong mode); bool pmp_is_range_in_tlb(CPURISCVState *env, hwaddr tlb_sa, target_ulong *tlb_size); +void pmp_update_rule_addr(CPURISCVState *env, uint32_t pmp_index); +void pmp_update_rule_nums(CPURISCVState *env); #endif From patchwork Mon Oct 26 11:55:28 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiangyifei X-Patchwork-Id: 302041 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 63F94C2D0A3 for ; Mon, 26 Oct 2020 11:57:43 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id 12F1722263 for ; Mon, 26 Oct 2020 11:57:43 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 12F1722263 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=huawei.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:47022 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kX18A-0002R5-4b for qemu-devel@archiver.kernel.org; Mon, 26 Oct 2020 07:57:42 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:38842) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kX16T-0000ZM-ND; Mon, 26 Oct 2020 07:55:57 -0400 Received: from szxga04-in.huawei.com ([45.249.212.190]:2359) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kX16R-0000ht-6V; Mon, 26 Oct 2020 07:55:57 -0400 Received: from DGGEMS402-HUB.china.huawei.com (unknown [172.30.72.59]) by szxga04-in.huawei.com (SkyGuard) with ESMTP id 4CKYFP0xb2z15MWp; Mon, 26 Oct 2020 19:55:53 +0800 (CST) Received: from huawei.com (10.174.186.209) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Mon, 26 Oct 2020 19:55:39 +0800 From: Yifei Jiang To: , Subject: [PATCH V4 4/6] target/riscv: Add H extension state description Date: Mon, 26 Oct 2020 19:55:28 +0800 Message-ID: <20201026115530.304-5-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20201026115530.304-1-jiangyifei@huawei.com> References: <20201026115530.304-1-jiangyifei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.209] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=jiangyifei@huawei.com; helo=szxga04-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/26 07:55:44 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: zhang.zhanghailiang@huawei.com, sagark@eecs.berkeley.edu, kbastian@mail.uni-paderborn.de, victor.zhangxiaofeng@huawei.com, richard.henderson@linaro.org, Yifei Jiang , Alistair Francis , yinyipeng1@huawei.com, palmer@dabbelt.com, wu.wubin@huawei.com, dengkai1@huawei.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" In the case of supporting H extension, add H extension description to vmstate_riscv_cpu. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin Reviewed-by: Alistair Francis --- target/riscv/machine.c | 47 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/target/riscv/machine.c b/target/riscv/machine.c index fc1461d88e..ae60050898 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -68,6 +68,52 @@ static const VMStateDescription vmstate_pmp = { } }; +static bool hyper_needed(void *opaque) +{ + RISCVCPU *cpu = opaque; + CPURISCVState *env = &cpu->env; + + return riscv_has_ext(env, RVH); +} + +static const VMStateDescription vmstate_hyper = { + .name = "cpu/hyper", + .version_id = 1, + .minimum_version_id = 1, + .needed = hyper_needed, + .fields = (VMStateField[]) { + VMSTATE_UINTTL(env.hstatus, RISCVCPU), + VMSTATE_UINTTL(env.hedeleg, RISCVCPU), + VMSTATE_UINTTL(env.hideleg, RISCVCPU), + VMSTATE_UINTTL(env.hcounteren, RISCVCPU), + VMSTATE_UINTTL(env.htval, RISCVCPU), + VMSTATE_UINTTL(env.htinst, RISCVCPU), + VMSTATE_UINTTL(env.hgatp, RISCVCPU), + VMSTATE_UINT64(env.htimedelta, RISCVCPU), + + VMSTATE_UINT64(env.vsstatus, RISCVCPU), + VMSTATE_UINTTL(env.vstvec, RISCVCPU), + VMSTATE_UINTTL(env.vsscratch, RISCVCPU), + VMSTATE_UINTTL(env.vsepc, RISCVCPU), + VMSTATE_UINTTL(env.vscause, RISCVCPU), + VMSTATE_UINTTL(env.vstval, RISCVCPU), + VMSTATE_UINTTL(env.vsatp, RISCVCPU), + + VMSTATE_UINTTL(env.mtval2, RISCVCPU), + VMSTATE_UINTTL(env.mtinst, RISCVCPU), + + VMSTATE_UINTTL(env.stvec_hs, RISCVCPU), + VMSTATE_UINTTL(env.sscratch_hs, RISCVCPU), + VMSTATE_UINTTL(env.sepc_hs, RISCVCPU), + VMSTATE_UINTTL(env.scause_hs, RISCVCPU), + VMSTATE_UINTTL(env.stval_hs, RISCVCPU), + VMSTATE_UINTTL(env.satp_hs, RISCVCPU), + VMSTATE_UINT64(env.mstatus_hs, RISCVCPU), + + VMSTATE_END_OF_LIST() + } +}; + const VMStateDescription vmstate_riscv_cpu = { .name = "cpu", .version_id = 1, @@ -119,6 +165,7 @@ const VMStateDescription vmstate_riscv_cpu = { }, .subsections = (const VMStateDescription * []) { &vmstate_pmp, + &vmstate_hyper, NULL } }; From patchwork Mon Oct 26 11:55:29 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiangyifei X-Patchwork-Id: 270432 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 14455C4363A for ; Mon, 26 Oct 2020 11:57:43 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id A9E6120738 for ; 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Mon, 26 Oct 2020 19:55:53 +0800 (CST) Received: from huawei.com (10.174.186.209) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Mon, 26 Oct 2020 19:55:41 +0800 From: Yifei Jiang To: , Subject: [PATCH V4 5/6] target/riscv: Add V extension state description Date: Mon, 26 Oct 2020 19:55:29 +0800 Message-ID: <20201026115530.304-6-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20201026115530.304-1-jiangyifei@huawei.com> References: <20201026115530.304-1-jiangyifei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.209] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.190; envelope-from=jiangyifei@huawei.com; helo=szxga04-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/26 07:55:44 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] 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_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: zhang.zhanghailiang@huawei.com, sagark@eecs.berkeley.edu, kbastian@mail.uni-paderborn.de, victor.zhangxiaofeng@huawei.com, richard.henderson@linaro.org, Yifei Jiang , Alistair Francis , yinyipeng1@huawei.com, palmer@dabbelt.com, wu.wubin@huawei.com, dengkai1@huawei.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" In the case of supporting V extension, add V extension description to vmstate_riscv_cpu. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/machine.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/target/riscv/machine.c b/target/riscv/machine.c index ae60050898..44d4015bd6 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -76,6 +76,30 @@ static bool hyper_needed(void *opaque) return riscv_has_ext(env, RVH); } +static bool vector_needed(void *opaque) +{ + RISCVCPU *cpu = opaque; + CPURISCVState *env = &cpu->env; + + return riscv_has_ext(env, RVV); +} + +static const VMStateDescription vmstate_vector = { + .name = "cpu/vector", + .version_id = 1, + .minimum_version_id = 1, + .needed = vector_needed, + .fields = (VMStateField[]) { + VMSTATE_UINT64_ARRAY(env.vreg, RISCVCPU, 32 * RV_VLEN_MAX / 64), + VMSTATE_UINTTL(env.vxrm, RISCVCPU), + VMSTATE_UINTTL(env.vxsat, RISCVCPU), + VMSTATE_UINTTL(env.vl, RISCVCPU), + VMSTATE_UINTTL(env.vstart, RISCVCPU), + VMSTATE_UINTTL(env.vtype, RISCVCPU), + VMSTATE_END_OF_LIST() + } +}; + static const VMStateDescription vmstate_hyper = { .name = "cpu/hyper", .version_id = 1, @@ -166,6 +190,7 @@ const VMStateDescription vmstate_riscv_cpu = { .subsections = (const VMStateDescription * []) { &vmstate_pmp, &vmstate_hyper, + &vmstate_vector, NULL } }; From patchwork Mon Oct 26 11:55:30 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jiangyifei X-Patchwork-Id: 302039 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 452E7C2D0A3 for ; Mon, 26 Oct 2020 11:59:47 +0000 (UTC) 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 mail.kernel.org (Postfix) with ESMTPS id ABA1B22263 for ; 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Mon, 26 Oct 2020 19:55:58 +0800 (CST) Received: from huawei.com (10.174.186.209) by DGGEMS402-HUB.china.huawei.com (10.3.19.202) with Microsoft SMTP Server id 14.3.487.0; Mon, 26 Oct 2020 19:55:42 +0800 From: Yifei Jiang To: , Subject: [PATCH V4 6/6] target/riscv: Add sifive_plic vmstate Date: Mon, 26 Oct 2020 19:55:30 +0800 Message-ID: <20201026115530.304-7-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20201026115530.304-1-jiangyifei@huawei.com> References: <20201026115530.304-1-jiangyifei@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.174.186.209] X-CFilter-Loop: Reflected Received-SPF: pass client-ip=45.249.212.191; envelope-from=jiangyifei@huawei.com; helo=szxga05-in.huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/26 07:55:53 X-ACL-Warn: Detected OS = Linux 3.1-3.10 [fuzzy] 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, SPF_HELO_NONE=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: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: zhang.zhanghailiang@huawei.com, sagark@eecs.berkeley.edu, kbastian@mail.uni-paderborn.de, victor.zhangxiaofeng@huawei.com, richard.henderson@linaro.org, Yifei Jiang , Alistair Francis , yinyipeng1@huawei.com, palmer@dabbelt.com, wu.wubin@huawei.com, dengkai1@huawei.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Add sifive_plic vmstate for supporting sifive_plic migration. Current vmstate framework only supports one structure parameter as num field to describe variable length arrays, so introduce num_enables. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin Reviewed-by: Alistair Francis --- hw/intc/sifive_plic.c | 26 +++++++++++++++++++++++++- hw/intc/sifive_plic.h | 1 + 2 files changed, 26 insertions(+), 1 deletion(-) diff --git a/hw/intc/sifive_plic.c b/hw/intc/sifive_plic.c index f42fd695d8..97a1a27a9a 100644 --- a/hw/intc/sifive_plic.c +++ b/hw/intc/sifive_plic.c @@ -30,6 +30,7 @@ #include "hw/intc/sifive_plic.h" #include "target/riscv/cpu.h" #include "sysemu/sysemu.h" +#include "migration/vmstate.h" #define RISCV_DEBUG_PLIC 0 @@ -448,11 +449,12 @@ static void sifive_plic_realize(DeviceState *dev, Error **errp) TYPE_SIFIVE_PLIC, plic->aperture_size); parse_hart_config(plic); plic->bitfield_words = (plic->num_sources + 31) >> 5; + plic->num_enables = plic->bitfield_words * plic->num_addrs; plic->source_priority = g_new0(uint32_t, plic->num_sources); plic->target_priority = g_new(uint32_t, plic->num_addrs); plic->pending = g_new0(uint32_t, plic->bitfield_words); plic->claimed = g_new0(uint32_t, plic->bitfield_words); - plic->enable = g_new0(uint32_t, plic->bitfield_words * plic->num_addrs); + plic->enable = g_new0(uint32_t, plic->num_enables); sysbus_init_mmio(SYS_BUS_DEVICE(dev), &plic->mmio); qdev_init_gpio_in(dev, sifive_plic_irq_request, plic->num_sources); @@ -472,12 +474,34 @@ static void sifive_plic_realize(DeviceState *dev, Error **errp) msi_nonbroken = true; } +static const VMStateDescription vmstate_sifive_plic = { + .name = "riscv_sifive_plic", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_VARRAY_UINT32(source_priority, SiFivePLICState, + num_sources, 0, + vmstate_info_uint32, uint32_t), + VMSTATE_VARRAY_UINT32(target_priority, SiFivePLICState, + num_addrs, 0, + vmstate_info_uint32, uint32_t), + VMSTATE_VARRAY_UINT32(pending, SiFivePLICState, bitfield_words, 0, + vmstate_info_uint32, uint32_t), + VMSTATE_VARRAY_UINT32(claimed, SiFivePLICState, bitfield_words, 0, + vmstate_info_uint32, uint32_t), + VMSTATE_VARRAY_UINT32(enable, SiFivePLICState, num_enables, 0, + vmstate_info_uint32, uint32_t), + VMSTATE_END_OF_LIST() + } +}; + static void sifive_plic_class_init(ObjectClass *klass, void *data) { DeviceClass *dc = DEVICE_CLASS(klass); device_class_set_props(dc, sifive_plic_properties); dc->realize = sifive_plic_realize; + dc->vmsd = &vmstate_sifive_plic; } static const TypeInfo sifive_plic_info = { diff --git a/hw/intc/sifive_plic.h b/hw/intc/sifive_plic.h index b75b1f145d..1e451a270c 100644 --- a/hw/intc/sifive_plic.h +++ b/hw/intc/sifive_plic.h @@ -52,6 +52,7 @@ struct SiFivePLICState { uint32_t num_addrs; uint32_t num_harts; uint32_t bitfield_words; + uint32_t num_enables; PLICAddr *addr_config; uint32_t *source_priority; uint32_t *target_priority;