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 87bb02edcdSYifei Jiang static const VMStateDescription vmstate_vector = { 88bb02edcdSYifei Jiang .name = "cpu/vector", 89bb02edcdSYifei Jiang .version_id = 1, 90bb02edcdSYifei Jiang .minimum_version_id = 1, 91bb02edcdSYifei Jiang .needed = vector_needed, 92bb02edcdSYifei Jiang .fields = (VMStateField[]) { 93bb02edcdSYifei Jiang VMSTATE_UINT64_ARRAY(env.vreg, RISCVCPU, 32 * RV_VLEN_MAX / 64), 94bb02edcdSYifei Jiang VMSTATE_UINTTL(env.vxrm, RISCVCPU), 95bb02edcdSYifei Jiang VMSTATE_UINTTL(env.vxsat, RISCVCPU), 96bb02edcdSYifei Jiang VMSTATE_UINTTL(env.vl, RISCVCPU), 97bb02edcdSYifei Jiang VMSTATE_UINTTL(env.vstart, RISCVCPU), 98bb02edcdSYifei Jiang VMSTATE_UINTTL(env.vtype, RISCVCPU), 99bb02edcdSYifei Jiang VMSTATE_END_OF_LIST() 100bb02edcdSYifei Jiang } 101bb02edcdSYifei Jiang }; 102bb02edcdSYifei Jiang 10335e07821SYifei Jiang static const VMStateDescription vmstate_hyper = { 10435e07821SYifei Jiang .name = "cpu/hyper", 10535e07821SYifei Jiang .version_id = 1, 10635e07821SYifei Jiang .minimum_version_id = 1, 10735e07821SYifei Jiang .needed = hyper_needed, 10835e07821SYifei Jiang .fields = (VMStateField[]) { 10935e07821SYifei Jiang VMSTATE_UINTTL(env.hstatus, RISCVCPU), 11035e07821SYifei Jiang VMSTATE_UINTTL(env.hedeleg, RISCVCPU), 11135e07821SYifei Jiang VMSTATE_UINTTL(env.hideleg, RISCVCPU), 11235e07821SYifei Jiang VMSTATE_UINTTL(env.hcounteren, RISCVCPU), 11335e07821SYifei Jiang VMSTATE_UINTTL(env.htval, RISCVCPU), 11435e07821SYifei Jiang VMSTATE_UINTTL(env.htinst, RISCVCPU), 11535e07821SYifei Jiang VMSTATE_UINTTL(env.hgatp, RISCVCPU), 11635e07821SYifei Jiang VMSTATE_UINT64(env.htimedelta, RISCVCPU), 11735e07821SYifei Jiang 11835e07821SYifei Jiang VMSTATE_UINT64(env.vsstatus, RISCVCPU), 11935e07821SYifei Jiang VMSTATE_UINTTL(env.vstvec, RISCVCPU), 12035e07821SYifei Jiang VMSTATE_UINTTL(env.vsscratch, RISCVCPU), 12135e07821SYifei Jiang VMSTATE_UINTTL(env.vsepc, RISCVCPU), 12235e07821SYifei Jiang VMSTATE_UINTTL(env.vscause, RISCVCPU), 12335e07821SYifei Jiang VMSTATE_UINTTL(env.vstval, RISCVCPU), 12435e07821SYifei Jiang VMSTATE_UINTTL(env.vsatp, RISCVCPU), 12535e07821SYifei Jiang 12635e07821SYifei Jiang VMSTATE_UINTTL(env.mtval2, RISCVCPU), 12735e07821SYifei Jiang VMSTATE_UINTTL(env.mtinst, RISCVCPU), 12835e07821SYifei Jiang 12935e07821SYifei Jiang VMSTATE_UINTTL(env.stvec_hs, RISCVCPU), 13035e07821SYifei Jiang VMSTATE_UINTTL(env.sscratch_hs, RISCVCPU), 13135e07821SYifei Jiang VMSTATE_UINTTL(env.sepc_hs, RISCVCPU), 13235e07821SYifei Jiang VMSTATE_UINTTL(env.scause_hs, RISCVCPU), 13335e07821SYifei Jiang VMSTATE_UINTTL(env.stval_hs, RISCVCPU), 13435e07821SYifei Jiang VMSTATE_UINTTL(env.satp_hs, RISCVCPU), 13535e07821SYifei Jiang VMSTATE_UINT64(env.mstatus_hs, RISCVCPU), 13635e07821SYifei Jiang 13735e07821SYifei Jiang VMSTATE_END_OF_LIST() 13835e07821SYifei Jiang } 13935e07821SYifei Jiang }; 14035e07821SYifei Jiang 141f7697f0eSYifei Jiang const VMStateDescription vmstate_riscv_cpu = { 142f7697f0eSYifei Jiang .name = "cpu", 143*ac12b601SAtish Patra .version_id = 2, 144*ac12b601SAtish Patra .minimum_version_id = 2, 145f7697f0eSYifei Jiang .fields = (VMStateField[]) { 146f7697f0eSYifei Jiang VMSTATE_UINTTL_ARRAY(env.gpr, RISCVCPU, 32), 147f7697f0eSYifei Jiang VMSTATE_UINT64_ARRAY(env.fpr, RISCVCPU, 32), 148f7697f0eSYifei Jiang VMSTATE_UINTTL(env.pc, RISCVCPU), 149f7697f0eSYifei Jiang VMSTATE_UINTTL(env.load_res, RISCVCPU), 150f7697f0eSYifei Jiang VMSTATE_UINTTL(env.load_val, RISCVCPU), 151f7697f0eSYifei Jiang VMSTATE_UINTTL(env.frm, RISCVCPU), 152f7697f0eSYifei Jiang VMSTATE_UINTTL(env.badaddr, RISCVCPU), 153f7697f0eSYifei Jiang VMSTATE_UINTTL(env.guest_phys_fault_addr, RISCVCPU), 154f7697f0eSYifei Jiang VMSTATE_UINTTL(env.priv_ver, RISCVCPU), 155f7697f0eSYifei Jiang VMSTATE_UINTTL(env.vext_ver, RISCVCPU), 156f7697f0eSYifei Jiang VMSTATE_UINTTL(env.misa, RISCVCPU), 157f7697f0eSYifei Jiang VMSTATE_UINTTL(env.misa_mask, RISCVCPU), 158f7697f0eSYifei Jiang VMSTATE_UINT32(env.features, RISCVCPU), 159f7697f0eSYifei Jiang VMSTATE_UINTTL(env.priv, RISCVCPU), 160f7697f0eSYifei Jiang VMSTATE_UINTTL(env.virt, RISCVCPU), 161f7697f0eSYifei Jiang VMSTATE_UINTTL(env.resetvec, RISCVCPU), 162f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mhartid, RISCVCPU), 163f7697f0eSYifei Jiang VMSTATE_UINT64(env.mstatus, RISCVCPU), 164f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mip, RISCVCPU), 165f7697f0eSYifei Jiang VMSTATE_UINT32(env.miclaim, RISCVCPU), 166f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mie, RISCVCPU), 167f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mideleg, RISCVCPU), 168f7697f0eSYifei Jiang VMSTATE_UINTTL(env.satp, RISCVCPU), 169*ac12b601SAtish Patra VMSTATE_UINTTL(env.stval, RISCVCPU), 170f7697f0eSYifei Jiang VMSTATE_UINTTL(env.medeleg, RISCVCPU), 171f7697f0eSYifei Jiang VMSTATE_UINTTL(env.stvec, RISCVCPU), 172f7697f0eSYifei Jiang VMSTATE_UINTTL(env.sepc, RISCVCPU), 173f7697f0eSYifei Jiang VMSTATE_UINTTL(env.scause, RISCVCPU), 174f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mtvec, RISCVCPU), 175f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mepc, RISCVCPU), 176f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mcause, RISCVCPU), 177f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mtval, RISCVCPU), 178f7697f0eSYifei Jiang VMSTATE_UINTTL(env.scounteren, RISCVCPU), 179f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mcounteren, RISCVCPU), 180f7697f0eSYifei Jiang VMSTATE_UINTTL(env.sscratch, RISCVCPU), 181f7697f0eSYifei Jiang VMSTATE_UINTTL(env.mscratch, RISCVCPU), 182f7697f0eSYifei Jiang VMSTATE_UINT64(env.mfromhost, RISCVCPU), 183f7697f0eSYifei Jiang VMSTATE_UINT64(env.mtohost, RISCVCPU), 184f7697f0eSYifei Jiang VMSTATE_UINT64(env.timecmp, RISCVCPU), 185f7697f0eSYifei Jiang 186f7697f0eSYifei Jiang VMSTATE_END_OF_LIST() 18724beb03eSYifei Jiang }, 18824beb03eSYifei Jiang .subsections = (const VMStateDescription * []) { 18924beb03eSYifei Jiang &vmstate_pmp, 19035e07821SYifei Jiang &vmstate_hyper, 191bb02edcdSYifei Jiang &vmstate_vector, 19224beb03eSYifei Jiang NULL 193f7697f0eSYifei Jiang } 194f7697f0eSYifei Jiang }; 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