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accel: introduce new accessor functions 

avoid open coding the accesses to cpu->accel_cpu interfaces,
and instead introduce:

accel_cpu_instance_init,
accel_cpu_realizefn

to be used by the targets/ initfn code,
and by cpu_exec_realizefn respectively.

Signed-off-by: Claudio Fontana <cfontana@suse.de>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20210322132800.7470-7-cfontana@suse.de>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Claudio Fontana 2021-03-22 14:27:42 +01:00 committed by Paolo Bonzini
parent 30565f10e9
commit bb883fd677
4 changed files with 35 additions and 12 deletions
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19
accel/accel-common.c
View File

@ -89,6 +89,25 @@ void accel_init_interfaces(AccelClass *ac)
accel_init_cpu_interfaces(ac);
}
void accel_cpu_instance_init(CPUState *cpu)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (cc->accel_cpu && cc->accel_cpu->cpu_instance_init) {
cc->accel_cpu->cpu_instance_init(cpu);
}
}
void accel_cpu_realizefn(CPUState *cpu, Error **errp)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
if (cc->accel_cpu && cc->accel_cpu->cpu_realizefn) {
/* NB: errp parameter is unused currently */
cc->accel_cpu->cpu_realizefn(cpu, errp);
}
}
static const TypeInfo accel_cpu_type = {
.name = TYPE_ACCEL_CPU,
.parent = TYPE_OBJECT,

6
cpu.c
View File

@ -130,11 +130,7 @@ void cpu_exec_realizefn(CPUState *cpu, Error **errp)
CPUClass *cc = CPU_GET_CLASS(cpu);
cpu_list_add(cpu);
if (cc->accel_cpu) {
/* NB: errp parameter is unused currently */
cc->accel_cpu->cpu_realizefn(cpu, errp);
}
accel_cpu_realizefn(cpu, errp);
#ifdef CONFIG_TCG
/* NB: errp parameter is unused currently */

13
include/qemu/accel.h
View File

@ -78,4 +78,17 @@ int accel_init_machine(AccelState *accel, MachineState *ms);
void accel_setup_post(MachineState *ms);
#endif /* !CONFIG_USER_ONLY */
/**
* accel_cpu_instance_init:
* @cpu: The CPU that needs to do accel-specific object initializations.
*/
void accel_cpu_instance_init(CPUState *cpu);
/**
* accel_cpu_realizefn:
* @cpu: The CPU that needs to call accel-specific cpu realization.
* @errp: currently unused.
*/
void accel_cpu_realizefn(CPUState *cpu, Error **errp);
#endif /* QEMU_ACCEL_H */

9
target/i386/cpu.c
View File

@ -28,7 +28,6 @@
#include "sysemu/kvm.h"
#include "sysemu/reset.h"
#include "sysemu/hvf.h"
#include "hw/core/accel-cpu.h"
#include "sysemu/xen.h"
#include "sysemu/whpx.h"
#include "kvm/kvm_i386.h"
@ -6800,8 +6799,6 @@ static void x86_cpu_initfn(Object *obj)
{
X86CPU *cpu = X86_CPU(obj);
X86CPUClass *xcc = X86_CPU_GET_CLASS(obj);
CPUClass *cc = CPU_CLASS(xcc);
CPUX86State *env = &cpu->env;
env->nr_dies = 1;
@ -6850,10 +6847,8 @@ static void x86_cpu_initfn(Object *obj)
x86_cpu_load_model(cpu, xcc->model);
}
/* if required, do the accelerator-specific cpu initialization */
if (cc->accel_cpu) {
cc->accel_cpu->cpu_instance_init(CPU(obj));
}
/* if required, do accelerator-specific cpu initializations */
accel_cpu_instance_init(CPU(obj));
}
static int64_t x86_cpu_get_arch_id(CPUState *cs)