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armv7m: Forward idau property to CPU object

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Create an "idau" property on the armv7m container object which
we can forward to the CPU object. Annoyingly, we can't use
object_property_add_alias() because the CPU object we want to
forward to doesn't exist until the armv7m container is realized.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20180220180325.29818-6-peter.maydell@linaro.org
This commit is contained in:
Peter Maydell 2018-03-02 10:45:36 +00:00
parent 181962fd69
commit c60c1b0d5a
2 changed files with 12 additions and 0 deletions
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9
hw/arm/armv7m.c
View file

@ -19,6 +19,7 @@
#include "sysemu/qtest.h"
#include "qemu/error-report.h"
#include "exec/address-spaces.h"
#include "target/arm/idau.h"
/* Bitbanded IO. Each word corresponds to a single bit. */
@ -162,6 +163,13 @@ static void armv7m_realize(DeviceState *dev, Error **errp)
object_property_set_link(OBJECT(s->cpu), OBJECT(&s->container), "memory",
&error_abort);
if (object_property_find(OBJECT(s->cpu), "idau", NULL)) {
object_property_set_link(OBJECT(s->cpu), s->idau, "idau", &err);
if (err != NULL) {
error_propagate(errp, err);
return;
}
}
object_property_set_bool(OBJECT(s->cpu), true, "realized", &err);
if (err != NULL) {
error_propagate(errp, err);
@ -217,6 +225,7 @@ static Property armv7m_properties[] = {
DEFINE_PROP_STRING("cpu-type", ARMv7MState, cpu_type),
DEFINE_PROP_LINK("memory", ARMv7MState, board_memory, TYPE_MEMORY_REGION,
MemoryRegion *),
DEFINE_PROP_LINK("idau", ARMv7MState, idau, TYPE_IDAU_INTERFACE, Object *),
DEFINE_PROP_END_OF_LIST(),
};