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target-arm: Disable EL3 on unsupported machines

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Disables the CPU ARM_FEATURE_EL3 featuere on machine models that can be
configured to use Cortex-A9, Cortex-A15, and ARM1176 but don't officially
support EL3.  This preserves backwards compatibility.

Signed-off-by: Greg Bellows <greg.bellows@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1418684992-8996-15-git-send-email-greg.bellows@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Greg Bellows 2014-12-15 17:09:51 -06:00 • committed by Peter Maydell
parent 223a72f117
commit 61e2f3521c
6 changed files with 71 additions and 0 deletions
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12
hw/arm/integratorcp.c
View file

@ -493,6 +493,18 @@ static void integratorcp_init(MachineState *machine)
cpuobj = object_new(object_class_get_name(cpu_oc));
/* By default ARM1176 CPUs have EL3 enabled. This board does not
* currently support EL3 so the CPU EL3 property is disabled before
* realization.
*/
if (object_property_find(cpuobj, "has_el3", NULL)) {
object_property_set_bool(cpuobj, false, "has_el3", &err);
if (err) {
error_report("%s", error_get_pretty(err));
exit(1);
}
}
object_property_set_bool(cpuobj, true, "realized", &err);
if (err) {
error_report("%s", error_get_pretty(err));