From 5a8d8a2049dc9f61571d31cf95c1d04bc541cfeb Mon Sep 17 00:00:00 2001
From: Roland McGrath <roland@gnu.org>
Date: Wed, 7 Dec 1994 20:02:38 +0000
Subject: [PATCH] Initial revision

---
 sysdeps/mach/mips/Dist         |  1 +
 sysdeps/mach/mips/Makefile     |  3 +++
 sysdeps/mach/mips/cacheflush.c | 44 ++++++++++++++++++++++++++++++++++
 3 files changed, 48 insertions(+)
 create mode 100644 sysdeps/mach/mips/Dist
 create mode 100644 sysdeps/mach/mips/Makefile
 create mode 100644 sysdeps/mach/mips/cacheflush.c

diff --git a/sysdeps/mach/mips/Dist b/sysdeps/mach/mips/Dist
new file mode 100644
index 00000000000..f2699bf887c
--- /dev/null
+++ b/sysdeps/mach/mips/Dist
@@ -0,0 +1 @@
+cacheflush.c
diff --git a/sysdeps/mach/mips/Makefile b/sysdeps/mach/mips/Makefile
new file mode 100644
index 00000000000..a890ae7b467
--- /dev/null
+++ b/sysdeps/mach/mips/Makefile
@@ -0,0 +1,3 @@
+ifeq ($(subdir),gnulib)
+sysdep_routines += cacheflush
+endif
diff --git a/sysdeps/mach/mips/cacheflush.c b/sysdeps/mach/mips/cacheflush.c
new file mode 100644
index 00000000000..5325e6fd1e4
--- /dev/null
+++ b/sysdeps/mach/mips/cacheflush.c
@@ -0,0 +1,44 @@
+/* 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);
+}
-- 
2.47.3