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| 1 | /* |
1 | /* |
| 2 | * Copyright (C) 2006 Martin Decky |
2 | * Copyright (C) 2006 Martin Decky |
| 3 | * All rights reserved. |
3 | * All rights reserved. |
| 4 | * |
4 | * |
| 5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
| 6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
| 7 | * are met: |
7 | * are met: |
| 8 | * |
8 | * |
| 9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
| 11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
| 13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
| 14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
| 15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
| 16 | * |
16 | * |
| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | */ |
27 | */ |
| 28 | 28 | ||
| 29 | #include <arch/mm/page.h> |
29 | #include <arch/mm/page.h> |
| - | 30 | #include <arch/boot/boot.h> |
|
| 30 | #include <proc/scheduler.h> |
31 | #include <proc/scheduler.h> |
| 31 | #include <proc/thread.h> |
32 | #include <proc/thread.h> |
| 32 | #include <arch.h> |
33 | #include <arch.h> |
| 33 | 34 | ||
| 34 | __address supervisor_sp; |
- | |
| 35 | __address supervisor_sp_physical; |
- | |
| 36 | - | ||
| 37 | /** Perform ppc64 specific tasks needed before the new task is run. */ |
35 | /** Perform ppc64 specific tasks needed before the new task is run. */ |
| 38 | void before_task_runs_arch(void) |
36 | void before_task_runs_arch(void) |
| 39 | { |
37 | { |
| 40 | } |
38 | } |
| 41 | 39 | ||
| 42 | /** Perform ppc64 specific tasks needed before the new thread is scheduled. */ |
40 | /** Perform ppc64 specific tasks needed before the new thread is scheduled. */ |
| 43 | void before_thread_runs_arch(void) |
41 | void before_thread_runs_arch(void) |
| 44 | { |
42 | { |
| - | 43 | pht_init(); |
|
| - | 44 | tlb_invalidate_all(); |
|
| - | 45 | asm volatile ( |
|
| - | 46 | "mtsprg0 %0\n" |
|
| - | 47 | : |
|
| 45 | supervisor_sp = (__address) &THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA]; |
48 | : "r" (KA2PA(&THREAD->kstack[THREAD_STACK_SIZE - SP_DELTA])) |
| 46 | supervisor_sp_physical = KA2PA(supervisor_sp_physical); |
- | |
| - | 49 | ); |
|
| 47 | } |
50 | } |
| 48 | 51 | ||
| 49 | void after_thread_ran_arch(void) |
52 | void after_thread_ran_arch(void) |
| 50 | { |
53 | { |
| 51 | } |
54 | } |
| 52 | 55 | ||