Rev 1567 | Details | Compare with Previous | Last modification | View Log | RSS feed
Rev | Author | Line No. | Line |
---|---|---|---|
1120 | pj | 1 | /* |
2 | * Project: S.Ha.R.K. |
||
3 | * |
||
4 | * Coordinators: |
||
5 | * Giorgio Buttazzo <giorgio@sssup.it> |
||
6 | * Paolo Gai <pj@gandalf.sssup.it> |
||
7 | * |
||
8 | * Authors : |
||
9 | * Paolo Gai <pj@gandalf.sssup.it> |
||
10 | * (see the web pages for full authors list) |
||
11 | * |
||
12 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
||
13 | * |
||
14 | * http://www.sssup.it |
||
15 | * http://retis.sssup.it |
||
16 | * http://shark.sssup.it |
||
17 | */ |
||
18 | |||
19 | /* |
||
20 | * Copyright (C) 2000 Paolo Gai |
||
21 | * |
||
22 | * This program is free software; you can redistribute it and/or modify |
||
23 | * it under the terms of the GNU General Public License as published by |
||
24 | * the Free Software Foundation; either version 2 of the License, or |
||
25 | * (at your option) any later version. |
||
26 | * |
||
27 | * This program is distributed in the hope that it will be useful, |
||
28 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
||
29 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||
30 | * GNU General Public License for more details. |
||
31 | * |
||
32 | * You should have received a copy of the GNU General Public License |
||
33 | * along with this program; if not, write to the Free Software |
||
34 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
||
35 | * |
||
36 | */ |
||
37 | |||
38 | #include "kernel/kern.h" |
||
1552 | pj | 39 | #include "intdrive/intdrive/intdrive.h" |
40 | #include "edf/edf/edf.h" |
||
41 | #include "rr/rr/rr.h" |
||
42 | #include "tbs/tbs/tbs.h" |
||
43 | #include "cbs/cbs/cbs.h" |
||
44 | #include "rrsoft/rrsoft/rrsoft.h" |
||
45 | #include "dummy/dummy/dummy.h" |
||
46 | #include "sem/sem/sem.h" |
||
1120 | pj | 47 | |
48 | /*+ sysyem tick in us +*/ |
||
49 | #define TICK 0 |
||
50 | |||
51 | #define RRTICK 5000 |
||
52 | #define TBS_NUM 1 |
||
53 | #define TBS_DEN 10 |
||
54 | |||
1377 | giacomo | 55 | /*+ Interrupt Server +*/ |
56 | #define INTDRIVE_Q 1000 |
||
1586 | tullio | 57 | #define INTDRIVE_U 0.1*MAX_BANDWIDTH |
1377 | giacomo | 58 | #define INTDRIVE_FLAG 0 |
1120 | pj | 59 | |
1388 | giacomo | 60 | #include <drivers/shark_linuxc26.h> |
61 | #include <drivers/shark_input26.h> |
||
62 | #include <drivers/shark_keyb26.h> |
||
1377 | giacomo | 63 | |
1388 | giacomo | 64 | #define FRAME_BUFFER_DEVICE 0 |
65 | |||
66 | void call_shutdown_task(void *arg); |
||
67 | int device_drivers_init(); |
||
68 | int device_drivers_close(); |
||
69 | void set_shutdown_task(); |
||
70 | TASK shutdown_task_body(void *arg); |
||
71 | |||
1463 | giacomo | 72 | PID shutdown_task_PID = -1; |
1388 | giacomo | 73 | |
1120 | pj | 74 | TIME __kernel_register_levels__(void *arg) |
75 | { |
||
76 | struct multiboot_info *mb = (struct multiboot_info *)arg; |
||
1586 | tullio | 77 | LEVEL EDF_level; |
1120 | pj | 78 | |
1567 | mauro | 79 | INTDRIVE_register_level(INTDRIVE_Q, INTDRIVE_Q, INTDRIVE_U, INTDRIVE_FLAG); |
1586 | tullio | 80 | EDF_level = EDF_register_level(EDF_ENABLE_ALL); |
1120 | pj | 81 | RR_register_level(RRTICK, RR_MAIN_YES, mb); |
1377 | giacomo | 82 | TBS_register_level(TBS_ENABLE_ALL, 1, TBS_NUM, TBS_DEN); |
83 | TBS_register_level(TBS_ENABLE_ALL, 1, TBS_NUM*3, TBS_DEN); |
||
1586 | tullio | 84 | CBS_register_level(CBS_ENABLE_ALL, EDF_level); |
1120 | pj | 85 | dummy_register_level(); |
86 | |||
87 | SEM_register_module(); |
||
88 | |||
89 | return TICK; |
||
90 | } |
||
91 | |||
92 | TASK __init__(void *arg) |
||
93 | { |
||
94 | struct multiboot_info *mb = (struct multiboot_info *)arg; |
||
95 | |||
1388 | giacomo | 96 | /* Create the shutdown task. It will be activated at RUNLEVEL |
97 | SHUTDOWN */ |
||
98 | set_shutdown_task(); |
||
99 | |||
100 | /* Init the drivers */ |
||
101 | device_drivers_init(); |
||
102 | |||
103 | /* Set the shutdown task activation */ |
||
104 | sys_atrunlevel(call_shutdown_task, NULL, RUNLEVEL_SHUTDOWN); |
||
105 | |||
1120 | pj | 106 | __call_main__(mb); |
107 | |||
108 | return (void *)0; |
||
109 | } |
||
110 | |||
1388 | giacomo | 111 | void set_shutdown_task() { |
112 | |||
113 | /* WARNING: the shutdown task is a background thread. It cannot execute |
||
114 | if the system is overloaded */ |
||
115 | NRT_TASK_MODEL nrt; |
||
116 | |||
117 | nrt_task_default_model(nrt); |
||
118 | nrt_task_def_system(nrt); |
||
119 | |||
120 | shutdown_task_PID = task_create("Shutdown Task",shutdown_task_body,&nrt,NULL); |
||
121 | if (shutdown_task_PID == NIL) { |
||
122 | sys_shutdown_message("Error: Cannot create shutdown task\n"); |
||
1547 | pj | 123 | exit(1); |
1388 | giacomo | 124 | } |
125 | |||
126 | } |
||
127 | |||
128 | int device_drivers_init() { |
||
129 | |||
130 | KEYB_PARMS kparms = BASE_KEYB; |
||
131 | |||
1567 | mauro | 132 | LINUXC26_register_module(TRUE); |
1388 | giacomo | 133 | |
134 | INPUT26_init(); |
||
135 | |||
136 | keyb_def_ctrlC(kparms, NULL); |
||
137 | |||
138 | KEYB26_init(&kparms); |
||
139 | |||
140 | return 0; |
||
141 | |||
142 | } |
||
143 | |||
144 | int device_drivers_close() { |
||
145 | |||
146 | KEYB26_close(); |
||
147 | |||
148 | INPUT26_close(); |
||
149 | |||
150 | return 0; |
||
151 | |||
152 | } |
||
153 | |||
154 | #define SHUTDOWN_TIMEOUT_SEC 3 |
||
155 | |||
156 | void call_shutdown_task(void *arg) |
||
157 | { |
||
158 | struct timespec t; |
||
159 | |||
160 | sys_gettime(&t); |
||
161 | t.tv_sec += SHUTDOWN_TIMEOUT_SEC; |
||
162 | |||
163 | /* Emergency timeout to exit from RUNLEVEL_SHUTDOWN */ |
||
164 | kern_event_post(&t,(void *)((void *)sys_abort_shutdown),(void *)0); |
||
165 | |||
166 | task_activate(shutdown_task_PID); |
||
167 | } |
||
168 | |||
169 | TASK shutdown_task_body(void *arg) { |
||
170 | |||
171 | device_drivers_close(); |
||
172 | |||
173 | sys_shutdown_message("-- S.Ha.R.K. Closed --\n"); |
||
174 | |||
175 | return NULL; |
||
176 | |||
177 | } |