xnu-344.32.tar.gz

[apple/xnu.git] / osfmk / ppc / PseudoKernel.c

diff --git a/osfmk/ppc/PseudoKernel.c b/osfmk/ppc/PseudoKernel.c
index b41b1352c25bac93335b4909c7b36f452d84f043..ce31867cfbd6717433b8c96cc916203fe4b41222 100644 (file)
--- a/osfmk/ppc/PseudoKernel.c
+++ b/osfmk/ppc/PseudoKernel.c
@@ -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@
  */
@@ -170,11 +167,11 @@ void bbSetRupt(ReturnHandler *rh, thread_act_t act) {
                        bttd->InterruptControlWord = (bttd->InterruptControlWord & ~kInterruptStateMask) | 
                                (kInPseudoKernel << kInterruptStateShift);
                                
-                       bttd->exceptionInfo.srr0 = (unsigned int)sv->save_srr0;         /* Save the current PC */
-                       sv->save_srr0 = (uint64_t)bttd->InterruptVector;        /* Set the new PC */
-                       bttd->exceptionInfo.sprg1 = (unsigned int)sv->save_r1;          /* Save the original R1 */
-                       sv->save_r1 = (uint64_t)bttd->exceptionInfo.sprg0;      /* Set the new R1 */
-                       bttd->exceptionInfo.srr1 = (unsigned int)sv->save_srr1;         /* Save the original MSR */
+                       bttd->exceptionInfo.srr0 = sv->save_srr0;               /* Save the current PC */
+                       sv->save_srr0 = bttd->InterruptVector;                  /* Set the new PC */
+                       bttd->exceptionInfo.sprg1 = sv->save_r1;                /* Save the original R1 */
+                       sv->save_r1 = bttd->exceptionInfo.sprg0;                /* Set the new R1 */
+                       bttd->exceptionInfo.srr1 = sv->save_srr1;               /* Save the original MSR */
                        sv->save_srr1 &= ~(MASK(MSR_BE)|MASK(MSR_SE));  /* Clear SE|BE bits in MSR */
                        act->mact.specFlags &= ~bbNoMachSC;                             /* reactivate Mach SCs */ 
                        disable_preemption();                                                   /* Don't move us around */
@@ -215,9 +212,8 @@ kern_return_t enable_bluebox(
         ) {
        
        thread_t                th;
-       vm_offset_t             kerndescaddr, origdescoffset;
+       vm_offset_t             kerndescaddr, physdescaddr, origdescoffset;
        kern_return_t   ret;
-       ppnum_t                 physdescpage;
        
        th = current_thread();                                                                  /* Get our thread */                                    
 
@@ -243,8 +239,8 @@ kern_return_t enable_bluebox(
                return KERN_FAILURE;    
        }
                
-       physdescpage =                                                                                  /* Get the physical page number of the page */
-               pmap_find_phys(th->top_act->map->pmap, (addr64_t)Desc_TableStart);
+       physdescaddr =                                                                                  /* Get the physical address of the page */
+               pmap_extract(th->top_act->map->pmap, (vm_offset_t) Desc_TableStart);
 
        ret =  kmem_alloc_pageable(kernel_map, &kerndescaddr, PAGE_SIZE);       /* Find a virtual address to use */
        if(ret != KERN_SUCCESS) {                                                               /* Could we get an address? */
@@ -256,7 +252,7 @@ kern_return_t enable_bluebox(
        }
        
        (void) pmap_enter(kernel_pmap,                                                  /* Map this into the kernel */
-               kerndescaddr, physdescpage, VM_PROT_READ|VM_PROT_WRITE, 
+               kerndescaddr, physdescaddr, VM_PROT_READ|VM_PROT_WRITE, 
                VM_WIMG_USE_DEFAULT, TRUE);
        
        th->top_act->mact.bbDescAddr = (unsigned int)kerndescaddr+origdescoffset;       /* Set kernel address of the table */
@@ -396,7 +392,7 @@ int bb_settaskenv( struct savearea *save )
        act->mact.bbTaskEnv = save->save_r4;
        if(act == current_act()) {                                              /* Are we setting our own? */
                disable_preemption();                                           /* Don't move us around */
-               per_proc_info[cpu_number()].ppbbTaskEnv = act->mact.bbTaskEnv;  /* Remember the environment */
+               per_proc_info[cpu_number()].spcFlags = act->mact.specFlags;     /* Copy the flags */
                enable_preemption();                                            /* Ok to move us around */
        }