add arm64 support

- add arm64 dependent codes with GICv3 and SVE support
- fix bugs based on architecture separation requests

arch/arm64/kernel/mikc.c

@@ -0,0 +1,44 @@
+/* mikc.c COPYRIGHT FUJITSU LIMITED 2015-2016 */
+#include <ihk/ikc.h>
+#include <ihk/lock.h>
+#include <ikc/msg.h>
+#include <memory.h>
+#include <string.h>
+
+extern int num_processors;
+extern void arch_set_mikc_queue(void *r, void *w);
+ihk_ikc_ph_t arch_master_channel_packet_handler;
+
+int ihk_mc_ikc_init_first_local(struct ihk_ikc_channel_desc *channel,
+                                ihk_ikc_ph_t packet_handler)
+{
+	struct ihk_ikc_queue_head *rq, *wq;
+	size_t mikc_queue_pages;
+
+	ihk_ikc_system_init(NULL);
+
+	memset(channel, 0, sizeof(struct ihk_ikc_channel_desc));
+
+	mikc_queue_pages = ((2 * num_processors * MASTER_IKCQ_PKTSIZE)
+			+ (PAGE_SIZE - 1)) / PAGE_SIZE;
+
+	/* Place both sides in this side */
+	rq = ihk_mc_alloc_pages(mikc_queue_pages, IHK_MC_AP_CRITICAL);
+	wq = ihk_mc_alloc_pages(mikc_queue_pages, IHK_MC_AP_CRITICAL);
+
+	ihk_ikc_init_queue(rq, 0, 0,
+			mikc_queue_pages * PAGE_SIZE, MASTER_IKCQ_PKTSIZE);
+	ihk_ikc_init_queue(wq, 0, 0,
+			mikc_queue_pages * PAGE_SIZE, MASTER_IKCQ_PKTSIZE);
+
+	arch_master_channel_packet_handler = packet_handler;
+
+	ihk_ikc_init_desc(channel, IKC_OS_HOST, 0, rq, wq,
+	                  ihk_ikc_master_channel_packet_handler, channel);
+	ihk_ikc_enable_channel(channel);
+
+	/* Set boot parameter */
+	arch_set_mikc_queue(rq, wq);
+
+	return 0;
+}