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/*
* 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 <http://www.gnu.org/licenses/>.
*/
#include "qemu/osdep.h"
#include "cpu.h"
#include "qemu/error-report.h"
#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()
}
};
static bool hyper_needed(void *opaque)
{
RISCVCPU *cpu = opaque;
CPURISCVState *env = &cpu->env;
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,
.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,
.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()
},
.subsections = (const VMStateDescription * []) {
&vmstate_pmp,
&vmstate_hyper,
&vmstate_vector,
NULL
}
};
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