0.pre7.31:

[sbcl.git] / src / runtime / alpha-linux-os.c

diff --git a/src/runtime/alpha-linux-os.c b/src/runtime/alpha-linux-os.c
index 82d979a..3cb67b3 100644 (file)
--- a/src/runtime/alpha-linux-os.c
+++ b/src/runtime/alpha-linux-os.c
@@ -1,11 +1,20 @@
 /*
- * The x86 Linux incarnation of arch-dependent OS-dependent routines.
- * See also linux-os.c
- */
-
+ * This is the Compaq/Digital Alpha Linux incarnation of
+ * arch-dependent OS-dependent routines. See also "linux-os.c".  */
 
-/* header files lifted wholesale from linux-os.c, some may be redundant */
+/*
+ * This software is part of the SBCL system. See the README file for
+ * more information.
+ *
+ * This software is derived from the CMU CL system, which was
+ * written at Carnegie Mellon University and released into the
+ * public domain. The software is in the public domain and is
+ * provided with absolutely no warranty. See the COPYING and CREDITS
+ * files for more information.
+ */
 
+/* These header files were lifted wholesale from linux-os.c, some may
+ * be redundant. -- Dan Barlow ca. 2001-05-01 */
 #include <stdio.h>
 #include <sys/param.h>
 #include <sys/file.h>
@@ -22,7 +31,6 @@
 
 #include <sys/types.h>
 #include <signal.h>
-/* #include <sys/sysinfo.h> */
 #include <sys/time.h>
 #include <sys/stat.h>
 #include <unistd.h>
@@ -31,6 +39,7 @@
 size_t os_vm_page_size;
 
 #if defined GENCGC             /* unlikely ... */
+#error SBCL Alpha does not work with the GENCGC
 #include "gencgc.h"
 #endif
 
@@ -66,11 +75,5 @@ os_context_sigmask_addr(os_context_t *context)
 
 void os_flush_icache(os_vm_address_t address, os_vm_size_t length)
 {
-    /* XXX this really shouldn't be empty
-
-<dhd> dan_b: asm volatile ("call_pal imb")
-<dhd> or just "imb"
-<dhd> also : : "memory" 
-
-     */
+    asm volatile ("imb" : : : "memory" );
 }