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target/riscv: machine: Add debug state description 

Add a subsection to machine.c to migrate debug CSR state.

Signed-off-by: Bin Meng <bin.meng@windriver.com>
Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Message-Id: <20220421003324.1134983-5-bmeng.cn@gmail.com>
Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
This commit is contained in:
Bin Meng 2022-04-21 08:33:22 +08:00 committed by Alistair Francis
parent b6092544fc
commit 38b4e781a4
1 changed files with 32 additions and 0 deletions
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32
target/riscv/machine.c
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@ -216,7 +216,38 @@ static const VMStateDescription vmstate_kvmtimer = {
VMSTATE_UINT64(env.kvm_timer_time, RISCVCPU),
VMSTATE_UINT64(env.kvm_timer_compare, RISCVCPU),
VMSTATE_UINT64(env.kvm_timer_state, RISCVCPU),
VMSTATE_END_OF_LIST()
}
};
static bool debug_needed(void *opaque)
{
RISCVCPU *cpu = opaque;
CPURISCVState *env = &cpu->env;
return riscv_feature(env, RISCV_FEATURE_DEBUG);
}
static const VMStateDescription vmstate_debug_type2 = {
.name = "cpu/debug/type2",
.version_id = 1,
.minimum_version_id = 1,
.fields = (VMStateField[]) {
VMSTATE_UINTTL(mcontrol, type2_trigger_t),
VMSTATE_UINTTL(maddress, type2_trigger_t),
VMSTATE_END_OF_LIST()
}
};
static const VMStateDescription vmstate_debug = {
.name = "cpu/debug",
.version_id = 1,
.minimum_version_id = 1,
.needed = debug_needed,
.fields = (VMStateField[]) {
VMSTATE_UINTTL(env.trigger_cur, RISCVCPU),
VMSTATE_STRUCT_ARRAY(env.type2_trig, RISCVCPU, TRIGGER_TYPE2_NUM,
0, vmstate_debug_type2, type2_trigger_t),
VMSTATE_END_OF_LIST()
}
};
@ -315,6 +346,7 @@ const VMStateDescription vmstate_riscv_cpu = {
&vmstate_rv128,
&vmstate_kvmtimer,
&vmstate_envcfg,
&vmstate_debug,
NULL
}
};