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target-arm: Detect attempt to instantiate non-CPU type in cpu_init()

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Consolidate model checking into a new arm_cpu_class_by_name().

If the name matches an existing type, also check whether that type is
actually (a sub-type of) TYPE_ARM_CPU.

This fixes, e.g., -cpu tmp105 asserting.

Cc: qemu-stable <qemu-stable@nongnu.org>
Acked-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-01-21 16:11:43 +01:00
parent 2b8c275499
commit 5900d6b2d5
2 changed files with 21 additions and 2 deletions
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6
target-arm/helper.c
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@ -1262,12 +1262,14 @@ ARMCPU *cpu_arm_init(const char *cpu_model)
{
ARMCPU *cpu;
CPUARMState *env;
ObjectClass *oc;
static int inited = 0;
if (!object_class_by_name(cpu_model)) {
oc = cpu_class_by_name(TYPE_ARM_CPU, cpu_model);
if (!oc) {
return NULL;
}
cpu = ARM_CPU(object_new(cpu_model));
cpu = ARM_CPU(object_new(object_class_get_name(oc)));
env = &cpu->env;
env->cpu_model_str = cpu_model;
arm_cpu_realize(cpu);