--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/hotspot/cpu/arm/icache_arm.cpp	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2008, 2016, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+#include "precompiled.hpp"
+#include "asm/macroAssembler.hpp"
+#include "assembler_arm.inline.hpp"
+#include "runtime/icache.hpp"
+
+#define __ _masm->
+
+#ifdef AARCH64
+
+static int icache_flush(address addr, int lines, int magic) {
+  // TODO-AARCH64 Figure out actual cache line size (mrs Xt, CTR_EL0)
+
+  address p = addr;
+  for (int i = 0; i < lines; i++, p += ICache::line_size) {
+    __asm__ volatile(
+      " dc cvau, %[p]"
+      :
+      : [p] "r" (p)
+      : "memory");
+  }
+
+  __asm__ volatile(
+    " dsb ish"
+    : : : "memory");
+
+  p = addr;
+  for (int i = 0; i < lines; i++, p += ICache::line_size) {
+    __asm__ volatile(
+      " ic ivau, %[p]"
+      :
+      : [p] "r" (p)
+      : "memory");
+  }
+
+  __asm__ volatile(
+    " dsb ish\n\t"
+    " isb\n\t"
+    : : : "memory");
+
+  return magic;
+}
+
+#else
+
+static int icache_flush(address addr, int lines, int magic) {
+  __builtin___clear_cache(addr, addr + (lines << ICache::log2_line_size));
+  return magic;
+}
+
+#endif // AARCH64
+
+void ICacheStubGenerator::generate_icache_flush(ICache::flush_icache_stub_t* flush_icache_stub) {
+  address start = (address)icache_flush;
+
+  *flush_icache_stub = (ICache::flush_icache_stub_t)start;
+
+  // ICache::invalidate_range() contains explicit condition that the first
+  // call is invoked on the generated icache flush stub code range.
+  ICache::invalidate_range(start, 0);
+
+  {
+    // dummy code mark to make the shared code happy
+    // (fields that would need to be modified to emulate the correct
+    // mark are not accessible)
+    StubCodeMark mark(this, "ICache", "fake_stub_for_inlined_icache_flush");
+    __ ret();
+  }
+}
+
+#undef __