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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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11
hw/arm/exynos4210.c
View File

@ -152,6 +152,17 @@ Exynos4210State *exynos4210_init(MemoryRegion *system_mem,
Object *cpuobj = object_new(object_class_get_name(cpu_oc));
Error *err = NULL;
/* By default A9 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);
}
}
s->cpu[n] = ARM_CPU(cpuobj);
object_property_set_int(cpuobj, EXYNOS4210_SMP_PRIVATE_BASE_ADDR,
"reset-cbar", &error_abort);

12
hw/arm/highbank.c
View File

@ -241,6 +241,18 @@ static void calxeda_init(MachineState *machine, enum cxmachines machine_id)
cpuobj = object_new(object_class_get_name(oc));
cpu = ARM_CPU(cpuobj);
/* By default A9 and A15 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);
}
}
if (object_property_find(cpuobj, "reset-cbar", NULL)) {
object_property_set_int(cpuobj, MPCORE_PERIPHBASE,
"reset-cbar", &error_abort);

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));

12
hw/arm/realview.c
View File

@ -101,6 +101,18 @@ static void realview_init(MachineState *machine,
Object *cpuobj = object_new(object_class_get_name(cpu_oc));
Error *err = NULL;
/* By default A9,A15 and 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);
}
}
if (is_pb && is_mpcore) {
object_property_set_int(cpuobj, periphbase, "reset-cbar", &err);
if (err) {

12
hw/arm/versatilepb.c
View File

@ -206,6 +206,18 @@ static void versatile_init(MachineState *machine, int board_id)
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));

12
hw/arm/xilinx_zynq.c
View File

@ -126,6 +126,18 @@ static void zynq_init(MachineState *machine)
cpu = ARM_CPU(object_new(object_class_get_name(cpu_oc)));
/* By default A9 CPUs have EL3 enabled. This board does not
* currently support EL3 so the CPU EL3 property is disabled before
* realization.
*/
if (object_property_find(OBJECT(cpu), "has_el3", NULL)) {
object_property_set_bool(OBJECT(cpu), false, "has_el3", &err);
if (err) {
error_report("%s", error_get_pretty(err));
exit(1);
}
}
object_property_set_int(OBJECT(cpu), ZYNQ_BOARD_MIDR, "midr", &err);
if (err) {
error_report("%s", error_get_pretty(err));