]> git.saurik.com Git - apple/xnu.git/blobdiff - osfmk/ppc/aligned_data.s
xnu-517.tar.gz
[apple/xnu.git] / osfmk / ppc / aligned_data.s
index 00dbebc3617d8d20d94659fcb4a9935ac2a70df3..a1c091cd928afac1e62c5b4680bddbb864e0e41c 100644 (file)
@@ -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@
  */
@@ -46,6 +49,8 @@
 #include <cpus.h>
 #include <ppc/asm.h>
 #include <ppc/proc_reg.h>
+#include <ppc/spec_reg.h>
+#include <mach/ppc/vm_param.h>
 #include <assym.s>
 
 ;
 
                        .data
 
-/*             1024-byte aligned areas */
+/*             4096-byte aligned areas */
 
                .globl  EXT(per_proc_info)
-               .align  10
+               .align  12
 EXT(per_proc_info):                                                                    ; Per processor data area
-               .fill   (ppSize*NCPUS)/4,4,0                            ; (filled with 0s)
+               .space  (ppSize*NCPUS),0                                ; (filled with 0s)
 
 /*             512-byte aligned areas */
 
                .globl  EXT(kernel_pmap_store)                          ; This is the kernel_pmap
                .align  8
 EXT(kernel_pmap_store):
-               .set    .,.+PMAP_SIZE
+               .set    .,.+pmapSize
 
 
 /*             256-byte aligned areas */
@@ -83,11 +88,6 @@ EXT(GratefulDebWork):                                                                ; Enough for 2 rows of 8 chars of 16-pixel wide 32-
 debstash:
                .set    .,.+256
 
-               .globl  EXT(hw_counts)                                          ; Counter banks per processor
-               .align  8
-EXT(hw_counts):
-               .set    .,.+(NCPUS*256)
-
 #if PREEMPTSTACK
 
 ;
@@ -101,22 +101,27 @@ EXT(DBGpreempt):
 #endif
 
 
-/*             32-byte aligned areas */
-
-               .globl  EXT(saveanchor)
-               .align  5
-EXT(saveanchor):
-               .set    .,.+SVsize
+/*             128-byte aligned areas */
 
                .globl  EXT(mapCtl)
-               .align  5
+               .align  7
 EXT(mapCtl):
                .set    .,.+mapcsize
 
-               .globl  EXT(dgWork)
-               .align  5
-EXT(dgWork):
+               .globl  fwdisplock
+               .align  7
+fwdisplock:
+               .set    .,.+128
+
+               .globl  EXT(free_mappings)
+               .align  7
+       
+EXT(free_mappings):
                .long   0
+
+               .globl  EXT(syncClkSpot)
+               .align  7
+EXT(syncClkSpot):
                .long   0
                .long   0
                .long   0
@@ -124,114 +129,109 @@ EXT(dgWork):
                .long   0
                .long   0
                .long   0
-
-               .globl  EXT(trcWork)
-               .align  5
-EXT(trcWork):
-#if DEBUG
-/*             .long   0x02000000      */                      /* Only alignment exceptions enabled */
-               .long   0xFFFFFFFF                              /* All enabled */
-/*             .long   0xFBBFFFFF      */                      /* EXT and DEC disabled */
-/*             .long   0xFFBFFFFF      */                      /* DEC disabled */
-#else
-               .long   0x00000000                              ; All disabled on non-debug systems
-#endif
-               .long   EXT(traceTableBeg)              ; The next trace entry to use
-               .long   EXT(traceTableBeg)              ; Start of the trace table
-               .long   EXT(traceTableEnd)              ; End (wrap point) of the trace
-               .long   0                                               ; Saved mask while in debugger
-
                .long   0
+       
+               .globl  EXT(NMIss)
+               .align  7
+EXT(NMIss):
                .long   0
                .long   0
-               
-               
-               .globl  fwdisplock
+               .long   0
+               .long   0
+               .long   0
+               .long   0
+               .long   0
+               .long   0
+
+/*             32-byte aligned areas */
+
+               .globl  EXT(dbvecs)
                .align  5
-fwdisplock:
-               .set    .,.+32
+EXT(dbvecs):
+               .set    .,.+(33*16)
 
                .globl  hexfont
                .align  5
 #include <ppc/hexfont.h>
 
-    .globl  EXT(QNaNbarbarian)
-       .align  5
+       .globl  EXT(QNaNbarbarian)
+               .align  5
 
 EXT(QNaNbarbarian):
-       .long   0x7FFFDEAD              /* This is a quiet not-a-number which is a "known" debug value */
-       .long   0x7FFFDEAD              /* This is a quiet not-a-number which is a "known" debug value */
-       .long   0x7FFFDEAD              /* This is a quiet not-a-number which is a "known" debug value */
-       .long   0x7FFFDEAD              /* This is a quiet not-a-number which is a "known" debug value */
-
-       .long   0x7FFFDEAD              /* This is a quiet not-a-number which is a "known" debug value */
-       .long   0x7FFFDEAD              /* This is a quiet not-a-number which is a "known" debug value */
-       .long   0x7FFFDEAD              /* This is a quiet not-a-number which is a "known" debug value */
-       .long   0x7FFFDEAD              /* This is a quiet not-a-number which is a "known" debug value */
-
-       .globl  EXT(free_mappings)
-       .align  5
+               .long   0x7FFFDEAD                                                      /* This is a quiet not-a-number which is a "known" debug value */
+               .long   0x7FFFDEAD                                                      /* This is a quiet not-a-number which is a "known" debug value */
+               .long   0x7FFFDEAD                                                      /* This is a quiet not-a-number which is a "known" debug value */
+               .long   0x7FFFDEAD                                                      /* This is a quiet not-a-number which is a "known" debug value */
        
-EXT(free_mappings):
-       .long   0
-
-       .globl  EXT(syncClkSpot)
-       .align  5
-EXT(syncClkSpot):
-       .long   0
-       .long   0
-       .long   0
-       .long   0
-       .long   0
-       .long   0
-       .long   0
-       .long   0
-
-       .globl  EXT(NMIss)
-       .align  5
-EXT(NMIss):
-       .long   0
-       .long   0
-       .long   0
-       .long   0
-       .long   0
-       .long   0
-       .long   0
-       .long   0
-
-       .globl  EXT(dbvecs)
-       .align  5
-EXT(dbvecs):
-       .set    .,.+(33*16)
-
-
+               .long   0x7FFFDEAD                                                      /* This is a quiet not-a-number which is a "known" debug value */
+               .long   0x7FFFDEAD                                                      /* This is a quiet not-a-number which is a "known" debug value */
+               .long   0x7FFFDEAD                                                      /* This is a quiet not-a-number which is a "known" debug value */
+               .long   0x7FFFDEAD                                                      /* This is a quiet not-a-number which is a "known" debug value */
 
 /*             8-byte aligned areas */
 
-    .globl  EXT(FloatInit)
-       .align  3
+       .globl  EXT(FloatInit)
+               .align  3
 
 EXT(FloatInit):
-       .long   0xC24BC195              /* Initial value */
-       .long   0x87859393              /* of floating point registers */
-       .long   0xE681A2C8              /* and others */
-       .long   0x8599855A
+               .long   0xC24BC195                                                      /* Initial value */
+               .long   0x87859393                                                      /* of floating point registers */
+               .long   0xE681A2C8                                                      /* and others */
+               .long   0x8599855A
 
-    .globl  EXT(DebugWork)
-       .align  3
+               .globl  EXT(DebugWork)
+               .align  3
 
 EXT(DebugWork):
-       .long   0
-       .long   0
-       .long   0
-       .long   0
+               .long   0
+               .long   0
+               .long   0
+               .long   0
 
-    .globl  EXT(dbfloats)
-       .align  3
+       .globl  EXT(dbfloats)
+               .align  3
 EXT(dbfloats):
                .set    .,.+(33*8)
 
-    .globl  EXT(dbspecrs)
-       .align  3
+               .globl  EXT(dbspecrs)
+               .align  3
 EXT(dbspecrs):
                .set    .,.+(80*4)
+
+/*
+ *             Interrupt and debug stacks go here
+ */
+       
+               .align  PPC_PGSHIFT
+       .globl  EXT(FixedStackStart)
+EXT(FixedStackStart):
+     
+               .globl  EXT(intstack)
+EXT(intstack):
+               .set    .,.+INTSTACK_SIZE*NCPUS
+       
+/* Debugger stack - used by the debugger if present */
+/* NOTE!!! Keep the debugger stack right after the interrupt stack */
+
+       .globl  EXT(debstack)
+EXT(debstack):
+               .set    ., .+KERNEL_STACK_SIZE*NCPUS
+     
+                .globl  EXT(FixedStackEnd)
+EXT(FixedStackEnd):
+
+               .align  ALIGN
+               .globl  EXT(intstack_top_ss)
+EXT(intstack_top_ss):
+               .long   EXT(intstack)+INTSTACK_SIZE-FM_SIZE                     /* intstack_top_ss points to the top of interrupt stack */
+
+               .align  ALIGN
+               .globl  EXT(debstack_top_ss)    
+EXT(debstack_top_ss):
+
+               .long   EXT(debstack)+KERNEL_STACK_SIZE-FM_SIZE         /* debstack_top_ss points to the top of debug stack */
+
+       .globl  EXT(debstackptr)
+EXT(debstackptr):      
+               .long   EXT(debstack)+KERNEL_STACK_SIZE-FM_SIZE
+