1f7697f0eSYifei Jiang /* 2f7697f0eSYifei Jiang * RISC-V VMState Description 3f7697f0eSYifei Jiang * 4f7697f0eSYifei Jiang * Copyright (c) 2020 Huawei Technologies Co., Ltd 5f7697f0eSYifei Jiang * 6f7697f0eSYifei Jiang * This program is free software; you can redistribute it and/or modify it 7f7697f0eSYifei Jiang * under the terms and conditions of the GNU General Public License, 8f7697f0eSYifei Jiang * version 2 or later, as published by the Free Software Foundation. 9f7697f0eSYifei Jiang * 10f7697f0eSYifei Jiang * This program is distributed in the hope it will be useful, but WITHOUT 11f7697f0eSYifei Jiang * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 12f7697f0eSYifei Jiang * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for 13f7697f0eSYifei Jiang * more details. 14f7697f0eSYifei Jiang * 15f7697f0eSYifei Jiang * You should have received a copy of the GNU General Public License along with 16f7697f0eSYifei Jiang * this program. If not, see <http://www.gnu.org/licenses/>. 17f7697f0eSYifei Jiang */ 18f7697f0eSYifei Jiang 19f7697f0eSYifei Jiang #include "qemu/osdep.h" 20f7697f0eSYifei Jiang #include "cpu.h" 21f7697f0eSYifei Jiang #include "qemu/error-report.h" 22f7697f0eSYifei Jiang #include "sysemu/kvm.h" 23f7697f0eSYifei Jiang #include "migration/cpu.h" 24f7697f0eSYifei Jiang 2524beb03eSYifei Jiang static bool pmp_needed(void *opaque) 2624beb03eSYifei Jiang { 2724beb03eSYifei Jiang RISCVCPU *cpu = opaque; 2824beb03eSYifei Jiang CPURISCVState *env = &cpu->env; 2924beb03eSYifei Jiang 3024beb03eSYifei Jiang return riscv_feature(env, RISCV_FEATURE_PMP); 3124beb03eSYifei Jiang } 3224beb03eSYifei Jiang 3324beb03eSYifei Jiang static int pmp_post_load(void *opaque, int version_id) 3424beb03eSYifei Jiang { 3524beb03eSYifei Jiang RISCVCPU *cpu = opaque; 3624beb03eSYifei Jiang CPURISCVState *env = &cpu->env; 3724beb03eSYifei Jiang int i; 3824beb03eSYifei Jiang 3924beb03eSYifei Jiang for (i = 0; i < MAX_RISCV_PMPS; i++) { 4024beb03eSYifei Jiang pmp_update_rule_addr(env, i); 4124beb03eSYifei Jiang } 4224beb03eSYifei Jiang pmp_update_rule_nums(env); 4324beb03eSYifei Jiang 4424beb03eSYifei Jiang return 0; 4524beb03eSYifei Jiang } 4624beb03eSYifei Jiang 4724beb03eSYifei Jiang static const VMStateDescription vmstate_pmp_entry = { 4824beb03eSYifei Jiang .name = "cpu/pmp/entry", 4924beb03eSYifei Jiang .version_id = 1, 5024beb03eSYifei Jiang .minimum_version_id = 1, 5124beb03eSYifei Jiang .fields = (VMStateField[]) { 5224beb03eSYifei Jiang VMSTATE_UINTTL(addr_reg, pmp_entry_t), 5324beb03eSYifei Jiang VMSTATE_UINT8(cfg_reg, pmp_entry_t), 5424beb03eSYifei Jiang VMSTATE_END_OF_LIST() 5524beb03eSYifei Jiang } 5624beb03eSYifei Jiang }; 5724beb03eSYifei Jiang 5824beb03eSYifei Jiang static const VMStateDescription vmstate_pmp = { 5924beb03eSYifei Jiang .name = "cpu/pmp", 6024beb03eSYifei Jiang .version_id = 1, 6124beb03eSYifei Jiang .minimum_version_id = 1, 6224beb03eSYifei Jiang .needed = pmp_needed, 6324beb03eSYifei Jiang .post_load = pmp_post_load, 6424beb03eSYifei Jiang .fields = (VMStateField[]) { 6524beb03eSYifei Jiang VMSTATE_STRUCT_ARRAY(env.pmp_state.pmp, RISCVCPU, MAX_RISCV_PMPS, 6624beb03eSYifei Jiang 0, vmstate_pmp_entry, pmp_entry_t), 6724beb03eSYifei Jiang VMSTATE_END_OF_LIST() 6824beb03eSYifei Jiang } 6924beb03eSYifei Jiang }; 7024beb03eSYifei Jiang 7135e07821SYifei Jiang static bool hyper_needed(void *opaque) 7235e07821SYifei Jiang { 7335e07821SYifei Jiang RISCVCPU *cpu = opaque; 7435e07821SYifei Jiang CPURISCVState *env = &cpu->env; 7535e07821SYifei Jiang 7635e07821SYifei Jiang return riscv_has_ext(env, RVH); 7735e07821SYifei Jiang } 7835e07821SYifei Jiang 79bb02edcdSYifei Jiang static bool vector_needed(void *opaque) 80bb02edcdSYifei Jiang { 81bb02edcdSYifei Jiang RISCVCPU *cpu = opaque; 82bb02edcdSYifei Jiang CPURISCVState *env = &cpu->env; 83bb02edcdSYifei Jiang 84bb02edcdSYifei Jiang return riscv_has_ext(env, RVV); 85bb02edcdSYifei Jiang } 86bb02edcdSYifei Jiang 87*b1c279e1SAlexey Baturo static bool pointermasking_needed(void *opaque) 88*b1c279e1SAlexey Baturo { 89*b1c279e1SAlexey Baturo RISCVCPU *cpu = opaque; 90*b1c279e1SAlexey Baturo CPURISCVState *env = &cpu->env; 91*b1c279e1SAlexey Baturo 92*b1c279e1SAlexey Baturo return riscv_has_ext(env, RVJ); 93*b1c279e1SAlexey Baturo } 94*b1c279e1SAlexey Baturo 95bb02edcdSYifei Jiang static const VMStateDescription vmstate_vector = { 96bb02edcdSYifei Jiang .name = "cpu/vector", 97bb02edcdSYifei Jiang .version_id = 1, 98bb02edcdSYifei Jiang .minimum_version_id = 1, 99bb02edcdSYifei Jiang .needed = vector_needed, 100bb02edcdSYifei Jiang .fields = (VMStateField[]) { 101bb02edcdSYifei Jiang VMSTATE_UINT64_ARRAY(env.vreg, RISCVCPU, 32 * RV_VLEN_MAX / 64), 102bb02edcdSYifei Jiang VMSTATE_UINTTL(env.vxrm, RISCVCPU), 103bb02edcdSYifei Jiang VMSTATE_UINTTL(env.vxsat, RISCVCPU), 104bb02edcdSYifei Jiang VMSTATE_UINTTL(env.vl, RISCVCPU), 105bb02edcdSYifei Jiang VMSTATE_UINTTL(env.vstart, RISCVCPU), 106bb02edcdSYifei Jiang VMSTATE_UINTTL(env.vtype, RISCVCPU), 107bb02edcdSYifei Jiang VMSTATE_END_OF_LIST() 108bb02edcdSYifei Jiang } 109bb02edcdSYifei Jiang }; 110bb02edcdSYifei Jiang 111*b1c279e1SAlexey Baturo static const VMStateDescription vmstate_pointermasking = { 112*b1c279e1SAlexey Baturo .name = "cpu/pointer_masking", 113*b1c279e1SAlexey Baturo .version_id = 1, 114*b1c279e1SAlexey Baturo .minimum_version_id = 1, 115*b1c279e1SAlexey Baturo .needed = pointermasking_needed, 116*b1c279e1SAlexey Baturo .fields = (VMStateField[]) { 117*b1c279e1SAlexey Baturo VMSTATE_UINTTL(env.mmte, RISCVCPU), 118*b1c279e1SAlexey Baturo VMSTATE_UINTTL(env.mpmmask, RISCVCPU), 119*b1c279e1SAlexey Baturo VMSTATE_UINTTL(env.mpmbase, RISCVCPU), 120*b1c279e1SAlexey Baturo VMSTATE_UINTTL(env.spmmask, RISCVCPU), 121*b1c279e1SAlexey Baturo VMSTATE_UINTTL(env.spmbase, RISCVCPU), 122*b1c279e1SAlexey Baturo VMSTATE_UINTTL(env.upmmask, RISCVCPU), 123*b1c279e1SAlexey Baturo VMSTATE_UINTTL(env.upmbase, RISCVCPU), 124*b1c279e1SAlexey Baturo 125*b1c279e1SAlexey Baturo VMSTATE_END_OF_LIST() 126*b1c279e1SAlexey Baturo } 127*b1c279e1SAlexey Baturo }; 128*b1c279e1SAlexey Baturo 12935e07821SYifei Jiang static const VMStateDescription vmstate_hyper = { 13035e07821SYifei Jiang .name = "cpu/hyper", 13135e07821SYifei Jiang .version_id = 1, 13235e07821SYifei Jiang .minimum_version_id = 1, 13335e07821SYifei Jiang .needed = hyper_needed, 13435e07821SYifei Jiang .fields = (VMStateField[]) { 13535e07821SYifei Jiang VMSTATE_UINTTL(env.hstatus, RISCVCPU), 13635e07821SYifei Jiang VMSTATE_UINTTL(env.hedeleg, RISCVCPU), 13735e07821SYifei Jiang VMSTATE_UINTTL(env.hideleg, RISCVCPU), 13835e07821SYifei Jiang VMSTATE_UINTTL(env.hcounteren, RISCVCPU), 13935e07821SYifei Jiang VMSTATE_UINTTL(env.htval, RISCVCPU), 14035e07821SYifei Jiang VMSTATE_UINTTL(env.htinst, RISCVCPU), 14135e07821SYifei Jiang VMSTATE_UINTTL(env.hgatp, RISCVCPU), 14235e07821SYifei Jiang VMSTATE_UINT64(env.htimedelta, RISCVCPU), 14335e07821SYifei Jiang 14435e07821SYifei Jiang VMSTATE_UINT64(env.vsstatus, RISCVCPU), 14535e07821SYifei Jiang VMSTATE_UINTTL(env.vstvec, RISCVCPU), 14635e07821SYifei Jiang VMSTATE_UINTTL(env.vsscratch, RISCVCPU), 14735e07821SYifei Jiang VMSTATE_UINTTL(env.vsepc, RISCVCPU), 14835e07821SYifei Jiang VMSTATE_UINTTL(env.vscause, RISCVCPU), 14935e07821SYifei Jiang VMSTATE_UINTTL(env.vstval, RISCVCPU), 15035e07821SYifei Jiang VMSTATE_UINTTL(env.vsatp, RISCVCPU), 15135e07821SYifei Jiang 15235e07821SYifei Jiang VMSTATE_UINTTL(env.mtval2, RISCVCPU), 15335e07821SYifei Jiang VMSTATE_UINTTL(env.mtinst, RISCVCPU), 15435e07821SYifei Jiang 15535e07821SYifei Jiang VMSTATE_UINTTL(env.stvec_hs, RISCVCPU), 15635e07821SYifei Jiang VMSTATE_UINTTL(env.sscratch_hs, RISCVCPU), 15735e07821SYifei Jiang VMSTATE_UINTTL(env.sepc_hs, RISCVCPU), 15835e07821SYifei Jiang VMSTATE_UINTTL(env.scause_hs, RISCVCPU), 15935e07821SYifei Jiang VMSTATE_UINTTL(env.stval_hs, RISCVCPU), 16035e07821SYifei Jiang VMSTATE_UINTTL(env.satp_hs, RISCVCPU), 16135e07821SYifei Jiang VMSTATE_UINT64(env.mstatus_hs, RISCVCPU), 16235e07821SYifei Jiang 16335e07821SYifei Jiang VMSTATE_END_OF_LIST() 16435e07821SYifei Jiang } 16535e07821SYifei Jiang }; 16635e07821SYifei Jiang 167f7697f0eSYifei Jiang const VMStateDescription vmstate_riscv_cpu = { 168f7697f0eSYifei Jiang .name = "cpu", 169e91a7227SRichard Henderson .version_id = 3, 170e91a7227SRichard Henderson .minimum_version_id = 3, 171f7697f0eSYifei Jiang .fields = (VMStateField[]) { 172f7697f0eSYifei Jiang VMSTATE_UINTTL_ARRAY(env.gpr, RISCVCPU, 32), 173f7697f0eSYifei Jiang VMSTATE_UINT64_ARRAY(env.fpr, RISCVCPU, 32), 174f7697f0eSYifei Jiang VMSTATE_UINTTL(env.pc, RISCVCPU), 175f7697f0eSYifei Jiang VMSTATE_UINTTL(env.load_res, RISCVCPU), 176f7697f0eSYifei Jiang VMSTATE_UINTTL(env.load_val, RISCVCPU), 177f7697f0eSYifei Jiang VMSTATE_UINTTL(env.frm, RISCVCPU), 178f7697f0eSYifei Jiang VMSTATE_UINTTL(env.badaddr, RISCVCPU), 179f7697f0eSYifei Jiang VMSTATE_UINTTL(env.guest_phys_fault_addr, RISCVCPU), 180f7697f0eSYifei Jiang VMSTATE_UINTTL(env.priv_ver, RISCVCPU), 181f7697f0eSYifei Jiang VMSTATE_UINTTL(env.vext_ver, RISCVCPU), 182e91a7227SRichard Henderson VMSTATE_UINT32(env.misa_mxl, RISCVCPU), 183e91a7227SRichard Henderson VMSTATE_UINT32(env.misa_ext, RISCVCPU), 184e91a7227SRichard Henderson VMSTATE_UINT32(env.misa_mxl_max, RISCVCPU), 185e91a7227SRichard Henderson VMSTATE_UINT32(env.misa_ext_mask, RISCVCPU), 186f7697f0eSYifei Jiang VMSTATE_UINT32(env.features, RISCVCPU), 187f7697f0eSYifei Jiang VMSTATE_UINTTL(env.priv, RISCVCPU), 188f7697f0eSYifei Jiang VMSTATE_UINTTL(env.virt, RISCVCPU), 189f7697f0eSYifei Jiang VMSTATE_UINTTL(env.resetvec, RISCVCPU), 190f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mhartid, RISCVCPU), 191f7697f0eSYifei Jiang VMSTATE_UINT64(env.mstatus, RISCVCPU), 192f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mip, RISCVCPU), 193f7697f0eSYifei Jiang VMSTATE_UINT32(env.miclaim, RISCVCPU), 194f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mie, RISCVCPU), 195f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mideleg, RISCVCPU), 196f7697f0eSYifei Jiang VMSTATE_UINTTL(env.satp, RISCVCPU), 197ac12b601SAtish Patra VMSTATE_UINTTL(env.stval, RISCVCPU), 198f7697f0eSYifei Jiang VMSTATE_UINTTL(env.medeleg, RISCVCPU), 199f7697f0eSYifei Jiang VMSTATE_UINTTL(env.stvec, RISCVCPU), 200f7697f0eSYifei Jiang VMSTATE_UINTTL(env.sepc, RISCVCPU), 201f7697f0eSYifei Jiang VMSTATE_UINTTL(env.scause, RISCVCPU), 202f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mtvec, RISCVCPU), 203f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mepc, RISCVCPU), 204f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mcause, RISCVCPU), 205f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mtval, RISCVCPU), 206f7697f0eSYifei Jiang VMSTATE_UINTTL(env.scounteren, RISCVCPU), 207f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mcounteren, RISCVCPU), 208f7697f0eSYifei Jiang VMSTATE_UINTTL(env.sscratch, RISCVCPU), 209f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mscratch, RISCVCPU), 210f7697f0eSYifei Jiang VMSTATE_UINT64(env.mfromhost, RISCVCPU), 211f7697f0eSYifei Jiang VMSTATE_UINT64(env.mtohost, RISCVCPU), 212f7697f0eSYifei Jiang VMSTATE_UINT64(env.timecmp, RISCVCPU), 213f7697f0eSYifei Jiang 214f7697f0eSYifei Jiang VMSTATE_END_OF_LIST() 21524beb03eSYifei Jiang }, 21624beb03eSYifei Jiang .subsections = (const VMStateDescription * []) { 21724beb03eSYifei Jiang &vmstate_pmp, 21835e07821SYifei Jiang &vmstate_hyper, 219bb02edcdSYifei Jiang &vmstate_vector, 220*b1c279e1SAlexey Baturo &vmstate_pointermasking, 22124beb03eSYifei Jiang NULL 222f7697f0eSYifei Jiang } 223f7697f0eSYifei Jiang }; 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