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Tue, 29 Sep 2020 10:04:04 +0800 (CST) Received: from huawei.com (10.174.187.31) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.487.0; Tue, 29 Sep 2020 10:03:54 +0800 From: Yifei Jiang To: , Subject: [PATCH 1/5] target/riscv: Add basic vmstate description of CPU Date: Tue, 29 Sep 2020 10:03:33 +0800 Message-ID: <20200929020337.1559-2-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20200929020337.1559-1-jiangyifei@huawei.com> References: <20200929020337.1559-1-jiangyifei@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.187.31] X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=45.249.212.191; envelope-from=jiangyifei@huawei.com; helo=huawei.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/09/28 22:04:05 X-ACL-Warn: Detected OS = Linux 3.11 and newer [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_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: 2.1.23 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, Yifei Jiang , Alistair.Francis@wdc.com, yinyipeng1@huawei.com, palmer@dabbelt.com, wu.wubin@huawei.com, dengkai1@huawei.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" Content-Type: text/plain; charset="utf-8" Add basic CPU state description to the newly created machine.c Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin --- target/riscv/cpu.c | 7 ----- target/riscv/cpu.h | 4 +++ target/riscv/machine.c | 59 ++++++++++++++++++++++++++++++++++++++++ target/riscv/meson.build | 3 +- 4 files changed, 65 insertions(+), 8 deletions(-) create mode 100644 target/riscv/machine.c diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 0bbfd7f457..bf396e2916 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -496,13 +496,6 @@ static void riscv_cpu_init(Object *obj) cpu_set_cpustate_pointers(cpu); } =20 -#ifndef CONFIG_USER_ONLY -static const VMStateDescription vmstate_riscv_cpu =3D { - .name =3D "cpu", - .unmigratable =3D 1, -}; -#endif - static Property riscv_cpu_properties[] =3D { DEFINE_PROP_BOOL("i", RISCVCPU, cfg.ext_i, true), DEFINE_PROP_BOOL("e", RISCVCPU, cfg.ext_e, false), diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index de275782e6..8440ea0793 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -311,6 +311,10 @@ extern const char * const riscv_fpr_regnames[]; extern const char * const riscv_excp_names[]; extern const char * const riscv_intr_names[]; =20 +#ifndef CONFIG_USER_ONLY +extern const VMStateDescription vmstate_riscv_cpu; +#endif + const char *riscv_cpu_get_trap_name(target_ulong cause, bool async); void riscv_cpu_do_interrupt(CPUState *cpu); int riscv_cpu_gdb_read_register(CPUState *cpu, GByteArray *buf, int reg); diff --git a/target/riscv/machine.c b/target/riscv/machine.c new file mode 100644 index 0000000000..3451b888b1 --- /dev/null +++ b/target/riscv/machine.c @@ -0,0 +1,59 @@ +#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 =3D { + .name =3D "cpu", + .version_id =3D 1, + .minimum_version_id =3D 1, + .fields =3D (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_UINTTL(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), + +#ifdef TARGET_RISCV32 + VMSTATE_UINTTL(env.mstatush, RISCVCPU), +#endif + 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 =3D ss.source_set() riscv_softmmu_ss.add(files( 'pmp.c', - 'monitor.c' + 'monitor.c', + 'machine.c' )) =20 target_arch +=3D {'riscv': riscv_ss} --=20 2.19.1 From nobody Fri May 17 18:33:48 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1601345131; cv=none; d=zohomail.com; s=zohoarc; b=EcsOceXO0CrQU5gDHJa16KLTJQo5ipobd+vAlIS8WHtJ0QgJOzk8yRGYqdhuH8e54N/HLCmDSd29oVrrhxWRGTeoTOl4BJQTUwpABwq3hCx/etdJXGOGDIBjbfMCtS/DaTFt3ZaMOkp2pMRJDbZDf4cMApwGr+Sk9o8a9/EUVyU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1601345131; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; 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Mon, 28 Sep 2020 22:04:20 -0400 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id DD018375FF28FF7FFFAE; Tue, 29 Sep 2020 10:04:04 +0800 (CST) Received: from huawei.com (10.174.187.31) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.487.0; Tue, 29 Sep 2020 10:03:55 +0800 From: Yifei Jiang To: , Subject: [PATCH 2/5] target/riscv: Add PMP state description Date: Tue, 29 Sep 2020 10:03:34 +0800 Message-ID: <20200929020337.1559-3-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20200929020337.1559-1-jiangyifei@huawei.com> References: <20200929020337.1559-1-jiangyifei@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.187.31] X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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charset="utf-8" In the case of supporting PMP feature, add PMP state description to vmstate_riscv_cpu. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin --- target/riscv/machine.c | 49 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 49 insertions(+) diff --git a/target/riscv/machine.c b/target/riscv/machine.c index 3451b888b1..b1fc839b43 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -4,6 +4,51 @@ #include "sysemu/kvm.h" #include "migration/cpu.h" =20 +static bool pmp_needed(void *opaque) +{ + RISCVCPU *cpu =3D opaque; + CPURISCVState *env =3D &cpu->env; + + return riscv_feature(env, RISCV_FEATURE_PMP); +} + +static const VMStateDescription vmstate_pmp_entry =3D { + .name =3D "cpu/pmp/entry", + .version_id =3D 1, + .minimum_version_id =3D 1, + .fields =3D (VMStateField[]) { + VMSTATE_UINTTL(addr_reg, pmp_entry_t), + VMSTATE_UINT8(cfg_reg, pmp_entry_t), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription vmstate_pmp_addr =3D { + .name =3D "cpu/pmp/addr", + .version_id =3D 1, + .minimum_version_id =3D 1, + .fields =3D (VMStateField[]) { + VMSTATE_UINTTL(sa, pmp_addr_t), + VMSTATE_UINTTL(ea, pmp_addr_t), + VMSTATE_END_OF_LIST() + } +}; + +static const VMStateDescription vmstate_pmp =3D { + .name =3D "cpu/pmp", + .version_id =3D 1, + .minimum_version_id =3D 1, + .needed =3D pmp_needed, + .fields =3D (VMStateField[]) { + VMSTATE_STRUCT_ARRAY(env.pmp_state.pmp, RISCVCPU, MAX_RISCV_PMPS, + 0, vmstate_pmp_entry, pmp_entry_t), + VMSTATE_STRUCT_ARRAY(env.pmp_state.addr, RISCVCPU, MAX_RISCV_PMPS, + 0, vmstate_pmp_addr, pmp_addr_t), + VMSTATE_UINT32(env.pmp_state.num_rules, RISCVCPU), + VMSTATE_END_OF_LIST() + } +}; + const VMStateDescription vmstate_riscv_cpu =3D { .name =3D "cpu", .version_id =3D 1, @@ -55,5 +100,9 @@ const VMStateDescription vmstate_riscv_cpu =3D { VMSTATE_UINTTL(env.mstatush, RISCVCPU), #endif VMSTATE_END_OF_LIST() + }, + .subsections =3D (const VMStateDescription * []) { + &vmstate_pmp, + NULL } }; --=20 2.19.1 From nobody Fri May 17 18:33:48 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; 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Mon, 28 Sep 2020 19:09:22 -0700 (PDT) Received: from localhost ([::1]:54880 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kN54z-00011O-9S for importer@patchew.org; Mon, 28 Sep 2020 22:09:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:40640) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kN50D-0004rp-Vy; Mon, 28 Sep 2020 22:04:30 -0400 Received: from szxga05-in.huawei.com ([45.249.212.191]:4770 helo=huawei.com) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kN507-0002x8-0U; Mon, 28 Sep 2020 22:04:25 -0400 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id E1E805B38DFA247685D2; Tue, 29 Sep 2020 10:04:04 +0800 (CST) Received: from huawei.com (10.174.187.31) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.487.0; Tue, 29 Sep 2020 10:03:57 +0800 From: Yifei Jiang To: , Subject: [PATCH 3/5] target/riscv: Add H extention state description Date: Tue, 29 Sep 2020 10:03:35 +0800 Message-ID: <20200929020337.1559-4-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20200929020337.1559-1-jiangyifei@huawei.com> References: <20200929020337.1559-1-jiangyifei@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.187.31] X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; 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charset="utf-8" In the case of supporting H extention, add H extention description to vmstate_riscv_cpu. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin --- target/riscv/machine.c | 51 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) diff --git a/target/riscv/machine.c b/target/riscv/machine.c index b1fc839b43..6a528bc1a5 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -49,6 +49,56 @@ static const VMStateDescription vmstate_pmp =3D { } }; =20 +static bool hyper_needed(void *opaque) +{ + RISCVCPU *cpu =3D opaque; + CPURISCVState *env =3D &cpu->env; + + return riscv_has_ext(env, RVH); +} + +static const VMStateDescription vmstate_hyper =3D { + .name =3D "cpu/hyper", + .version_id =3D 1, + .minimum_version_id =3D 1, + .needed =3D hyper_needed, + .fields =3D (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_UINTTL(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_UINTTL(env.mstatus_hs, RISCVCPU), + +#ifdef TARGET_RISCV32 + VMSTATE_UINTTL(env.vsstatush, RISCVCPU), + VMSTATE_UINTTL(env.mstatush_hs, RISCVCPU), +#endif + VMSTATE_END_OF_LIST() + } +}; + const VMStateDescription vmstate_riscv_cpu =3D { .name =3D "cpu", .version_id =3D 1, @@ -103,6 +153,7 @@ const VMStateDescription vmstate_riscv_cpu =3D { }, .subsections =3D (const VMStateDescription * []) { &vmstate_pmp, + &vmstate_hyper, NULL } }; --=20 2.19.1 From nobody Fri May 17 18:33:48 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1601345131; cv=none; d=zohomail.com; s=zohoarc; b=bDQh9n4kpAswHbjyvI2uEcf1f088k4paL67vF6UEWmWQT/BIGVZEEttiV6SaiLNAUNtBfSwopfIBm6omK4axb9cFoVfvD3+/UbgguJoTKQW4meD8X12+tk4kVc5XCEO3u5XJhuADZ/XXbosGZvTdphj/v9rbjqQxtuAo3P2CDKo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1601345131; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; 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Mon, 28 Sep 2020 22:04:22 -0400 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id D7E076833755CF1B6CF8; Tue, 29 Sep 2020 10:04:04 +0800 (CST) Received: from huawei.com (10.174.187.31) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.487.0; Tue, 29 Sep 2020 10:03:58 +0800 From: Yifei Jiang To: , Subject: [PATCH 4/5] target/riscv: Add V extention state description Date: Tue, 29 Sep 2020 10:03:36 +0800 Message-ID: <20200929020337.1559-5-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20200929020337.1559-1-jiangyifei@huawei.com> References: <20200929020337.1559-1-jiangyifei@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.187.31] X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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charset="utf-8" In the case of supporting V extention, add V extention description to vmstate_riscv_cpu. Signed-off-by: Yifei Jiang Signed-off-by: Yipeng Yin Reviewed-by: Richard Henderson --- target/riscv/machine.c | 25 +++++++++++++++++++++++++ 1 file changed, 25 insertions(+) diff --git a/target/riscv/machine.c b/target/riscv/machine.c index 6a528bc1a5..8912a77b71 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -57,6 +57,30 @@ static bool hyper_needed(void *opaque) return riscv_has_ext(env, RVH); } =20 +static bool vector_needed(void *opaque) +{ + RISCVCPU *cpu =3D opaque; + CPURISCVState *env =3D &cpu->env; + + return riscv_has_ext(env, RVV); +} + +static const VMStateDescription vmstate_vector =3D { + .name =3D "cpu/vector", + .version_id =3D 1, + .minimum_version_id =3D 1, + .needed =3D vector_needed, + .fields =3D (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 =3D { .name =3D "cpu/hyper", .version_id =3D 1, @@ -154,6 +178,7 @@ const VMStateDescription vmstate_riscv_cpu =3D { .subsections =3D (const VMStateDescription * []) { &vmstate_pmp, &vmstate_hyper, + &vmstate_vector, NULL } }; --=20 2.19.1 From nobody Fri May 17 18:33:48 2024 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org ARC-Seal: i=1; a=rsa-sha256; t=1601345374; cv=none; d=zohomail.com; s=zohoarc; b=a1T+sTaD1zoqAKwKUV7xAYcFh1Asg2GJ0WnHZkHgcKzACYnCoSm1G1sGeZn0WzZPgku92d2PKThx3a4TLCxmRQ65D6nGcALKGheg21I+adeLss0chSBNjgeyR/qAtKvtLGbZ94OCSRPMr4anejdt9BrKhO6Hd8YtxVpwVrbDFeg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1601345374; h=Content-Type:Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; 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Mon, 28 Sep 2020 22:04:30 -0400 Received: from DGGEMS407-HUB.china.huawei.com (unknown [172.30.72.60]) by Forcepoint Email with ESMTP id 0AD9ED44556F085003C0; Tue, 29 Sep 2020 10:04:10 +0800 (CST) Received: from huawei.com (10.174.187.31) by DGGEMS407-HUB.china.huawei.com (10.3.19.207) with Microsoft SMTP Server id 14.3.487.0; Tue, 29 Sep 2020 10:04:00 +0800 From: Yifei Jiang To: , Subject: [PATCH 5/5] target/riscv: Add sifive_plic vmstate Date: Tue, 29 Sep 2020 10:03:37 +0800 Message-ID: <20200929020337.1559-6-jiangyifei@huawei.com> X-Mailer: git-send-email 2.26.2.windows.1 In-Reply-To: <20200929020337.1559-1-jiangyifei@huawei.com> References: <20200929020337.1559-1-jiangyifei@huawei.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Originating-IP: [10.174.187.31] X-CFilter-Loop: Reflected Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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charset="utf-8" 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 --- 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" =20 #define RISCV_DEBUG_PLIC 0 =20 @@ -448,11 +449,12 @@ static void sifive_plic_realize(DeviceState *dev, Err= or **errp) TYPE_SIFIVE_PLIC, plic->aperture_size); parse_hart_config(plic); plic->bitfield_words =3D (plic->num_sources + 31) >> 5; + plic->num_enables =3D plic->bitfield_words * plic->num_addrs; plic->source_priority =3D g_new0(uint32_t, plic->num_sources); plic->target_priority =3D g_new(uint32_t, plic->num_addrs); plic->pending =3D g_new0(uint32_t, plic->bitfield_words); plic->claimed =3D g_new0(uint32_t, plic->bitfield_words); - plic->enable =3D g_new0(uint32_t, plic->bitfield_words * plic->num_add= rs); + plic->enable =3D 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); =20 @@ -472,12 +474,34 @@ static void sifive_plic_realize(DeviceState *dev, Err= or **errp) msi_nonbroken =3D true; } =20 +static const VMStateDescription vmstate_sifive_plic =3D { + .name =3D "riscv_sifive_plic", + .version_id =3D 1, + .minimum_version_id =3D 1, + .fields =3D (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 =3D DEVICE_CLASS(klass); =20 device_class_set_props(dc, sifive_plic_properties); dc->realize =3D sifive_plic_realize; + dc->vmsd =3D &vmstate_sifive_plic; } =20 static const TypeInfo sifive_plic_info =3D { 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; --=20 2.19.1