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cpus: Have cpu_class_init_props() per user / system emulation

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Rather than maintaining a mix of system / user code for CPU
class properties, move system properties to cpu-system.c
and user ones to the new cpu-user.c unit.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250123234415.59850-18-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2025-01-23 10:14:17 +01:00
parent 530c7139f6
commit e3a575f560
5 changed files with 72 additions and 59 deletions
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58
cpu-target.c
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@ -19,15 +19,12 @@
#include "qemu/osdep.h"
#include "qapi/error.h"
#include "hw/qdev-core.h"
#include "hw/qdev-properties.h"
#include "qemu/error-report.h"
#include "qemu/qemu-print.h"
#include "migration/vmstate.h"
#ifndef CONFIG_USER_ONLY
#include "hw/core/sysemu-cpu-ops.h"
#include "exec/address-spaces.h"
#include "exec/memory.h"
#endif
#include "system/accel-ops.h"
#include "system/cpus.h"
@ -178,61 +175,6 @@ void cpu_exec_unrealizefn(CPUState *cpu)
accel_cpu_common_unrealize(cpu);
}
/*
* This can't go in hw/core/cpu.c because that file is compiled only
* once for both user-mode and system builds.
*/
static const Property cpu_common_props[] = {
#ifdef CONFIG_USER_ONLY
/*
* Create a property for the user-only object, so users can
* adjust prctl(PR_SET_UNALIGN) from the command-line.
* Has no effect if the target does not support the feature.
*/
DEFINE_PROP_BOOL("prctl-unalign-sigbus", CPUState,
prctl_unalign_sigbus, false),
#else
/*
* Create a memory property for system CPU object, so users can
* wire up its memory. The default if no link is set up is to use
* the system address space.
*/
DEFINE_PROP_LINK("memory", CPUState, memory, TYPE_MEMORY_REGION,
MemoryRegion *),
#endif
};
#ifndef CONFIG_USER_ONLY
static bool cpu_get_start_powered_off(Object *obj, Error **errp)
{
CPUState *cpu = CPU(obj);
return cpu->start_powered_off;
}
static void cpu_set_start_powered_off(Object *obj, bool value, Error **errp)
{
CPUState *cpu = CPU(obj);
cpu->start_powered_off = value;
}
#endif
void cpu_class_init_props(DeviceClass *dc)
{
#ifndef CONFIG_USER_ONLY
ObjectClass *oc = OBJECT_CLASS(dc);
/*
* We can't use DEFINE_PROP_BOOL in the Property array for this
* property, because we want this to be settable after realize.
*/
object_class_property_add_bool(oc, "start-powered-off",
cpu_get_start_powered_off,
cpu_set_start_powered_off);
#endif
device_class_set_props(dc, cpu_common_props);
}
void cpu_exec_initfn(CPUState *cpu)
{
#ifndef CONFIG_USER_ONLY