GK SDK 源码库: XMIPCLinuxV100R005C00SPC030 (kernel/tools/open_source excluded)

source/trusted-firmware/trusted-firmware-a-2.8/plat/xilinx/zynqmp/plat_zynqmp.c

@@ -0,0 +1,21 @@
+/*
+ * Copyright (c) 2015-2018, ARM Limited and Contributors. All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include <plat_private.h>
+#include <plat/common/platform.h>
+
+int32_t plat_core_pos_by_mpidr(u_register_t mpidr)
+{
+	if (mpidr & MPIDR_CLUSTER_MASK) {
+		return -1;
+	}
+
+	if ((mpidr & MPIDR_CPU_MASK) >= PLATFORM_CORE_COUNT) {
+		return -1;
+	}
+
+	return zynqmp_calc_core_pos(mpidr);
+}