add arm64 support

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

executer/user/arch/x86_64/arch-eclair.c

@@ -0,0 +1,101 @@
+/* arch-eclair.c COPYRIGHT FUJITSU LIMITED 2016 */
+#include <eclair.h>
+#include <stdio.h>
+#include <arch-eclair.h>
+
+int print_kregs(char *rbp, size_t rbp_size, const struct arch_kregs *kregs)
+{
+	int i, ret, total = 0;
+	uintptr_t ihk_mc_switch_context = -1;
+	const uint64_t *regs_1[] = {&kregs->rsi, &kregs->rdi, &kregs->rbp,
+				    &kregs->rsp};
+	const uint64_t *regs_2[] = {&kregs->r12, &kregs->r13, &kregs->r14,
+				    &kregs->r15};
+
+	ihk_mc_switch_context = lookup_symbol("ihk_mc_switch_context");
+	if (0) printf("ihk_mc_switch_context: %lx\n", ihk_mc_switch_context);
+
+	ret = snprintf(rbp, rbp_size, "xxxxxxxxxxxxxxxx");	/* rax */
+	if (ret < 0) {
+		return ret;
+	}
+	rbp += ret;
+	total += ret;
+	rbp_size -= ret;
+
+	ret += print_bin(rbp, rbp_size, (void *)&kregs->rbx, sizeof(uint64_t));	/* rbx */
+	if (ret < 0) {
+		return ret;
+	}
+	rbp += ret;
+	total += ret;
+	rbp_size -= ret;
+
+	for (i = 0; i < 2; i++){	/* rcx, rdx */
+		ret = snprintf(rbp, rbp_size, "xxxxxxxxxxxxxxxx");
+		if (ret < 0) {
+			return ret;
+		}
+		rbp += ret;
+		total += ret;
+		rbp_size -= ret;
+	}
+
+	for (i = 0; i < sizeof(regs_1)/sizeof(regs_1[0]); i++) {	/* rsi, rdi, rbp, rsp */
+		ret = print_bin(rbp, rbp_size, (void *)regs_1[i], sizeof(regs_1[0]));
+		if (ret < 0) {
+			return ret;
+		}
+		rbp += ret;
+		total += ret;
+		rbp_size -= ret;
+	}
+
+	for (i = 0; i < 4; i++) {	/* r8-x11 */
+		ret = snprintf(rbp, rbp_size, "xxxxxxxxxxxxxxxx");
+		if (ret < 0) {
+			return ret;
+		}
+		rbp += ret;
+		total += ret;
+		rbp_size -= ret;
+	}
+
+	for (i = 0; i < sizeof(regs_2)/sizeof(regs_2[0]); i++) {	/* r12-r15 */
+		ret = print_bin(rbp, rbp_size, (void *)regs_2[i], sizeof(regs_2[0]));
+		if (ret < 0) {
+			return ret;
+		}
+		rbp += ret;
+		total += ret;
+		rbp_size -= ret;
+	}
+
+	ret += print_bin(rbp, rbp_size, (void *)&ihk_mc_switch_context, sizeof(uint64_t));	/* rip */
+	if (ret < 0) {
+		return ret;
+	}
+	rbp += ret;
+	total += ret;
+	rbp_size -= ret;
+
+	ret += print_bin(rbp, rbp_size, (void *)&kregs->rflags, sizeof(uint32_t));	/* rflags */
+	if (ret < 0) {
+		return ret;
+	}
+	rbp += ret;
+	total += ret;
+	rbp_size -= ret;
+
+	for (i = 0; i < 6; i++) {	/* cs, ss, ds, es, fs, gs */
+		ret = snprintf(rbp, rbp_size, "xxxxxxxx");
+		if (ret < 0) {
+			return ret;
+		}
+		rbp += ret;
+		total += ret;
+		rbp_size -= ret;
+	}
+
+	return total;
+}