xnu-792.6.61.tar.gz
[apple/xnu.git] / bsd / dev / i386 / kern_machdep.c
index b6fcf37a63fb71ca11317d41249999f0778894fe..a78df67ed891385b29b1bea9aac3cb1e00f940b9 100644 (file)
@@ -3,22 +3,19 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
+ * The contents of this file constitute Original Code as defined in and
+ * are subject to the Apple Public Source License Version 1.1 (the
+ * "License").  You may not use this file except in compliance with the
+ * License.  Please obtain a copy of the License at
+ * http://www.apple.com/publicsource and read it before using this file.
  * 
- * This file contains Original Code and/or Modifications of Original Code
- * as defined in and that are subject to the Apple Public Source License
- * Version 2.0 (the 'License'). You may not use this file except in
- * compliance with the License. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
- * 
- * The Original Code and all software distributed under the License are
- * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * This Original Code and all software distributed under the License are
+ * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
- * Please see the License for the specific language governing rights and
- * limitations under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
+ * License for the specific language governing rights and limitations
+ * under the License.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
  *     Author: John Seamons
  *
  *     Machine-specific kernel routines.
- *
- *  8-Dec-91  Peter King (king) at NeXT
- *     Added grade_cpu_subtype().
- *     FIXME: Do we want to merge this with check_cpu_subtype()?
- *
- *  5-Mar-90  John Seamons (jks) at NeXT
- *     Created.
  */
 
 #include       <sys/types.h>
 #include       <mach/machine.h>
 #include       <kern/cpu_number.h>
 
-check_cpu_subtype (cpu_subtype)
-       cpu_subtype_t cpu_subtype;
-{
-       struct machine_slot *ms = &machine_slot[cpu_number()];
-       
-       switch (ms->cpu_subtype) {
-           case CPU_SUBTYPE_386:
-               if (cpu_subtype == CPU_SUBTYPE_386)
-                   return (TRUE);
-               break;
-
-           case CPU_SUBTYPE_486:
-           case CPU_SUBTYPE_486SX:
-               if (    cpu_subtype == CPU_SUBTYPE_486          ||
-                       cpu_subtype == CPU_SUBTYPE_486SX        ||
-                       cpu_subtype == CPU_SUBTYPE_386          )
-                   return (TRUE);
-               break;
-
-           case CPU_SUBTYPE_586:
-               if (    cpu_subtype == CPU_SUBTYPE_586          ||
-                       cpu_subtype == CPU_SUBTYPE_486          ||
-                       cpu_subtype == CPU_SUBTYPE_486SX        ||
-                       cpu_subtype == CPU_SUBTYPE_386          )
-                   return (TRUE);
-               break;
-
-           default:
-               if (    CPU_SUBTYPE_INTEL_MODEL(cpu_subtype) ==
-                       CPU_SUBTYPE_INTEL_MODEL_ALL) {
-                   if (        CPU_SUBTYPE_INTEL_FAMILY(ms->cpu_subtype) >=
-                               CPU_SUBTYPE_INTEL_FAMILY(cpu_subtype))
-                       return (TRUE);
-               }
-               else {
-                   if (        ms->cpu_subtype == cpu_subtype)
-                       return (TRUE);
-               }
-               break;
-       }
-
-       return (FALSE);
-}
+extern int grade_binary(cpu_type_t exectype, cpu_subtype_t execsubtype);
 
 /**********************************************************************
- * Routine:    grade_cpu_subtype()
+ * Routine:    grade_binary()
  *
- * Function:   Return a relative preference for cpu_subtypes in fat
- *             executable files.  The higher the grade, the higher the
- *             preference.  A grade of 0 means not acceptable.
+ * Function:   Return a relative preference for exectypes and
+ *             execsubtypes in fat executable files.  The higher the
+ *             grade, the higher the preference.  A grade of 0 means
+ *             not acceptable.
  **********************************************************************/
-grade_cpu_subtype (cpu_subtype)
-       cpu_subtype_t           cpu_subtype;
+int
+grade_binary(__unused cpu_type_t exectype, cpu_subtype_t execsubtype)
 {
-       struct machine_slot     *ms = &machine_slot[cpu_number()];
+       int             cpusubtype = cpu_subtype();
 
-       switch (ms->cpu_subtype) {
+       switch (cpusubtype) {
            case CPU_SUBTYPE_386:
-               switch (cpu_subtype) {
+               switch (execsubtype) {
                    case CPU_SUBTYPE_386:
                        return 1;
                    default:
@@ -108,7 +57,7 @@ grade_cpu_subtype (cpu_subtype)
                }
 
            case CPU_SUBTYPE_486:
-               switch (cpu_subtype) {
+               switch (execsubtype) {
                    case CPU_SUBTYPE_386:
                        return 1;
 
@@ -123,7 +72,7 @@ grade_cpu_subtype (cpu_subtype)
                }
 
            case CPU_SUBTYPE_486SX:
-               switch (cpu_subtype) {
+               switch (execsubtype) {
                    case CPU_SUBTYPE_386:
                        return 1;
 
@@ -138,7 +87,7 @@ grade_cpu_subtype (cpu_subtype)
                }
 
            case CPU_SUBTYPE_586:
-               switch (cpu_subtype) {
+               switch (execsubtype) {
                    case CPU_SUBTYPE_386:
                        return 1;
 
@@ -156,18 +105,28 @@ grade_cpu_subtype (cpu_subtype)
                }
 
            default:
-               if (    CPU_SUBTYPE_INTEL_MODEL(cpu_subtype) ==
+               if (    CPU_SUBTYPE_INTEL_MODEL(execsubtype) ==
                        CPU_SUBTYPE_INTEL_MODEL_ALL) {
-                   if (        CPU_SUBTYPE_INTEL_FAMILY(ms->cpu_subtype) >=
-                               CPU_SUBTYPE_INTEL_FAMILY(cpu_subtype))
+                   if (        CPU_SUBTYPE_INTEL_FAMILY(cpusubtype) >=
+                               CPU_SUBTYPE_INTEL_FAMILY(execsubtype))
                        return CPU_SUBTYPE_INTEL_FAMILY_MAX - 
-                           CPU_SUBTYPE_INTEL_FAMILY(ms->cpu_subtype) -
-                           CPU_SUBTYPE_INTEL_FAMILY(cpu_subtype);
+                           CPU_SUBTYPE_INTEL_FAMILY(cpusubtype) -
+                           CPU_SUBTYPE_INTEL_FAMILY(execsubtype);
                }
                else {
-                   if (        ms->cpu_subtype == cpu_subtype)
+                   if (        cpusubtype == execsubtype)
                        return CPU_SUBTYPE_INTEL_FAMILY_MAX + 1;
                }
                return 0;
        }
 }
+
+extern void md_prepare_for_shutdown(int, int, char *);
+
+void
+md_prepare_for_shutdown(
+       __unused int paniced,
+       __unused int howto,
+       __unused char * command)
+{
+}