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authorRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
committerRoland McGrath <roland@gnu.org>1995-02-18 01:27:10 +0000
commit28f540f45bbacd939bfd07f213bcad2bf730b1bf (patch)
tree15f07c4c43d635959c6afee96bde71fb1b3614ee /sysdeps/mach/mips/cacheflush.c
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initial import
Diffstat (limited to 'sysdeps/mach/mips/cacheflush.c')
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diff --git a/sysdeps/mach/mips/cacheflush.c b/sysdeps/mach/mips/cacheflush.c
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+/* Flush the insn cache after GCC writes a closure on the stack.  Mach/MIPS.
+Copyright (C) 1994 Free Software Foundation, Inc.
+This file is part of the GNU C Library.
+
+The GNU C Library is free software; you can redistribute it and/or
+modify it under the terms of the GNU Library General Public License as
+published by the Free Software Foundation; either version 2 of the
+License, or (at your option) any later version.
+
+The GNU C Library 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+#include <mach.h>
+#include <mach/vm_attributes.h>
+
+/* Stupid name, but this is what GCC generates (config/mips/mips.h).  */
+void
+cacheflush (void *addr, size_t size, int flag)
+{
+  vm_machine_attribute_val_t val;
+
+  switch (flag)
+    {
+    case 0:			/* ? */
+      val = MATTR_VAL_DCACHE_FLUSH;
+    case 1:			/* This is the only value GCC uses.  */
+      val = MATTR_VAL_ICACHE_FLUSH;
+      break;
+    default:
+      val = MATTR_VAL_CACHE_FLUSH;
+    }
+
+  __vm_machine_attribute (__mach_task_self (),
+			  (vm_address_t) addr, size,
+			  MATTR_CACHE,
+			  &val);
+}