Implement support for reading GICC_IIDR. This register is used by the
Linux kernel to recognize that GICv2 with GICC_APRn is present.
Signed-off-by: Petr Pavlu <petr.pavlu@suse.com>
Message-id:
20220113151916.17978-2-ppavlu@suse.cz
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
}
break;
}
+ case 0xfc:
+ if (s->revision == REV_11MPCORE) {
+ /* Reserved on 11MPCore */
+ *data = 0;
+ } else {
+ /* GICv1 or v2; Arm implementation */
+ *data = (s->revision << 16) | 0x43b;
+ }
+ break;
default:
qemu_log_mask(LOG_GUEST_ERROR,
"gic_cpu_read: Bad offset %x\n", (int)offset);