X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/1c79356b52d46aa6b508fb032f5ae709b1f2897b..4a2492630c73add3c3aa8a805ba4ff343d4a58ea:/bsd/dev/ppc/kern_machdep.c?ds=inline

diff --git a/bsd/dev/ppc/kern_machdep.c b/bsd/dev/ppc/kern_machdep.c
index 38a00cc3c..d4422a1b9 100644
--- a/bsd/dev/ppc/kern_machdep.c
+++ b/bsd/dev/ppc/kern_machdep.c
@@ -3,19 +3,22 @@
  *
  * @APPLE_LICENSE_HEADER_START@
  * 
- * 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.
+ * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
  * 
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * 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
  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * 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.
  * 
  * @APPLE_LICENSE_HEADER_END@
  */
@@ -52,18 +55,14 @@ check_cpu_subtype(cpu_subtype_t cpu_subtype)
 	if (cpu_subtype == ms->cpu_subtype)
 		return (TRUE);
 
-	if (cpu_subtype == CPU_SUBTYPE_POWERPC_601)
-		return (FALSE);
-
 	switch (cpu_subtype) {
+		case CPU_SUBTYPE_POWERPC_970:
+				/* Do not allow a 970 binary to run on non-970 systems */
+				if (ms->cpu_subtype != CPU_SUBTYPE_POWERPC_970)
+				break;
 		case CPU_SUBTYPE_POWERPC_7450:
 		case CPU_SUBTYPE_POWERPC_7400:
 		case CPU_SUBTYPE_POWERPC_750:
-		case CPU_SUBTYPE_POWERPC_604e:
-		case CPU_SUBTYPE_POWERPC_604:
-		case CPU_SUBTYPE_POWERPC_603ev:
-		case CPU_SUBTYPE_POWERPC_603e:
-		case CPU_SUBTYPE_POWERPC_603:
 		case CPU_SUBTYPE_POWERPC_ALL:
 			return (TRUE);
 	}
@@ -90,43 +89,35 @@ grade_cpu_subtype(cpu_subtype_t cpu_subtype)
 	 * cctools project.  As of 2/16/98 this is what has been agreed upon for
 	 * the PowerPC subtypes.  If an exact match is not found the subtype will
 	 * be picked from the following order:
-	 *		7400, 750, 604e, 604, 603ev, 603e, 603, ALL
+	 *		970(but only on 970), 7450, 7400, 750, ALL
 	 * Note the 601 is NOT in the list above.  It is only picked via an exact
 	 * match. For details see Radar 2213821.
 	 *
 	 * To implement this function to follow what was agreed upon above, we use
-	 * the fact there are currently 10 different subtypes.  Exact matches return
-	 * the value 10, the value 0 is returned for 601 that is not an exact match,
-	 * and the values 9 thru 1 are returned for the subtypes listed in the order
-	 * above.
+	 * the fact there are currently 4 different subtypes.  Exact matches return
+	 * the value 6, and the values 5 thru 1 are returned for the
+	 * subtypes listed in the order above.
 	 */
 	if (ms->cpu_subtype == cpu_subtype)
-		return 10;
-	if (cpu_subtype == CPU_SUBTYPE_POWERPC_601)
-		return 0;
+		return 6;
 	switch (cpu_subtype) {
-		case CPU_SUBTYPE_POWERPC_7450:
-			return 9;
-		case CPU_SUBTYPE_POWERPC_7400:
-			return 8;
-		case CPU_SUBTYPE_POWERPC_750:
-			return 7;
-		case CPU_SUBTYPE_POWERPC_604e:
-			return 6;
-		case CPU_SUBTYPE_POWERPC_604:
+		case CPU_SUBTYPE_POWERPC_970:
+				/* Do not allow a 970 binary to run on non-970 systems */		
+				if (ms->cpu_subtype != CPU_SUBTYPE_POWERPC_970)
+					break;
 			return 5;
-		case CPU_SUBTYPE_POWERPC_603ev:
+		case CPU_SUBTYPE_POWERPC_7450:
 			return 4;
-		case CPU_SUBTYPE_POWERPC_603e:
+		case CPU_SUBTYPE_POWERPC_7400:
 			return 3;
-		case CPU_SUBTYPE_POWERPC_603:
+		case CPU_SUBTYPE_POWERPC_750:
 			return 2;
 		case CPU_SUBTYPE_POWERPC_ALL:
 			return 1;
 	}
 	/*
-	 * If we get here it is because it is a cpusubtype we don't support (602 and
-	 * 620) or new cpusubtype that was added since this code was written.  Both
+	 * If we get here it is because it is a cpusubtype we don't support
+	 * or a new cpusubtype that was added since this code was written.  Both
 	 * will be considered unacceptable.
 	 */
 	return 0;
@@ -141,7 +132,7 @@ kernacc(
 	off_t base;
 	off_t end;
     
-	base = trunc_page(start);
+	base = trunc_page_64(start);
 	end = start + len;
 	
 	while (base < end) {