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From: | Philippe Mathieu-Daudé |
Subject: | Re: [PATCH 40/55] hw/arm/armsse: Pass correct child size to sysbus_init_child_obj() |
Date: | Wed, 20 May 2020 13:51:56 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 |
On 5/19/20 4:55 PM, Markus Armbruster wrote:
armsse_init() initializes s->armv7m[i] for all i. It passes the size of the entire array instead of the array element to sysbus_init_child_obj(). Harmless, but fix it anyway.
Harmless because the size used to initialize the object is the one declared by its TypeInfo::instance_size. In this case for TYPE_ARMV7M it is:
static const TypeInfo armv7m_info = { .name = TYPE_ARMV7M, .parent = TYPE_SYS_BUS_DEVICE, .instance_size = sizeof(ARMv7MState), How did you notice btw? Reviewed-by: Philippe Mathieu-Daudé <address@hidden>
Signed-off-by: Markus Armbruster <address@hidden> --- hw/arm/armsse.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/hw/arm/armsse.c b/hw/arm/armsse.c index 20bedbe044..b6276b7327 100644 --- a/hw/arm/armsse.c +++ b/hw/arm/armsse.c @@ -258,7 +258,8 @@ static void armsse_init(Object *obj)name = g_strdup_printf("armv7m%d", i);sysbus_init_child_obj(OBJECT(&s->cluster[i]), name, - &s->armv7m[i], sizeof(s->armv7m), TYPE_ARMV7M); + &s->armv7m[i], sizeof(s->armv7m[i]), + TYPE_ARMV7M); qdev_prop_set_string(DEVICE(&s->armv7m[i]), "cpu-type", ARM_CPU_TYPE_NAME("cortex-m33")); g_free(name);
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