1 files changed, 35 insertions, 0 deletions
diff --git a/grub-core/kern/ia64/cache.c b/grub-core/kern/ia64/cache.c
new file mode 100644
index 0000000..13efd30
--- /dev/null
+++ b/grub-core/kern/ia64/cache.c
@@ -0,0 +1,35 @@
+/* init.c - initialize an ia64-based EFI system */
+/*
+ *  GRUB  --  GRand Unified Bootloader
+ *  Copyright (C) 2008  Free Software Foundation, Inc.
+ *
+ *  GRUB is free software: you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation, either version 3 of the License, or
+ *  (at your option) any later version.
+ *
+ *  GRUB 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 for more details.
+ *
+ *  You should have received a copy of the GNU General Public License
+ *  along with GRUB.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <grub/types.h>
+#include <grub/cache.h>
+
+void
+grub_arch_sync_caches (void *address, grub_size_t len)
+{
+  /* Cache line length is at least 32.  */
+  len += (grub_uint64_t)address & 0x1f;
+  grub_uint64_t a = (grub_uint64_t)address & ~0x1f;
+
+  /* Flush data.  */
+  for (len = (len + 31) & ~0x1f; len > 0; len -= 0x20, a += 0x20)
+    asm volatile ("fc.i %0" : : "r" (a));
+  /* Sync and serialize.  Maybe extra.  */
+  asm volatile (";; sync.i;; srlz.i;;");
+}