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target/riscv: Restrict KVM-specific fields from ArchCPU 

These fields shouldn't be accessed when KVM is not available.

Restrict the KVM timer migration state. Rename the KVM timer
post_load() handler accordingly, because cpu_post_load() is
too generic.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Daniel Henrique Barboza <dbarboza@ventanamicro.com>
Message-Id: <20230626232007.8933-3-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2023-04-04 11:15:05 +02:00
parent 0573997713
commit 9638cbde6c
3 changed files with 9 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
target/riscv/cpu.c
View File

@ -584,7 +584,7 @@ static void riscv_host_cpu_init(Object *obj)
#endif
riscv_cpu_add_user_properties(obj);
}
#endif
#endif /* CONFIG_KVM */
static ObjectClass *riscv_cpu_class_by_name(const char *cpu_model)
{

2
target/riscv/cpu.h
View File

@ -363,12 +363,14 @@ struct CPUArchState {
hwaddr kernel_addr;
hwaddr fdt_addr;
#ifdef CONFIG_KVM
/* kvm timer */
bool kvm_timer_dirty;
uint64_t kvm_timer_time;
uint64_t kvm_timer_compare;
uint64_t kvm_timer_state;
uint64_t kvm_timer_frequency;
#endif /* CONFIG_KVM */
};
/*

8
target/riscv/machine.c
View File

@ -194,12 +194,13 @@ static const VMStateDescription vmstate_rv128 = {
}
};
#ifdef CONFIG_KVM
static bool kvmtimer_needed(void *opaque)
{
return kvm_enabled();
}
static int cpu_post_load(void *opaque, int version_id)
static int cpu_kvmtimer_post_load(void *opaque, int version_id)
{
RISCVCPU *cpu = opaque;
CPURISCVState *env = &cpu->env;
@ -213,7 +214,7 @@ static const VMStateDescription vmstate_kvmtimer = {
.version_id = 1,
.minimum_version_id = 1,
.needed = kvmtimer_needed,
.post_load = cpu_post_load,
.post_load = cpu_kvmtimer_post_load,
.fields = (VMStateField[]) {
VMSTATE_UINT64(env.kvm_timer_time, RISCVCPU),
VMSTATE_UINT64(env.kvm_timer_compare, RISCVCPU),
@ -221,6 +222,7 @@ static const VMStateDescription vmstate_kvmtimer = {
VMSTATE_END_OF_LIST()
}
};
#endif
static bool debug_needed(void *opaque)
{
@ -409,7 +411,9 @@ const VMStateDescription vmstate_riscv_cpu = {
&vmstate_vector,
&vmstate_pointermasking,
&vmstate_rv128,
#ifdef CONFIG_KVM
&vmstate_kvmtimer,
#endif
&vmstate_envcfg,
&vmstate_debug,
&vmstate_smstateen,