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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 324 | giacomo | 1 | /* |
| 2 | * Project: S.Ha.R.K. |
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| 3 | * |
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| 4 | * Coordinators: |
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| 5 | * Giorgio Buttazzo <giorgio@sssup.it> |
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| 6 | * Paolo Gai <pj@gandalf.sssup.it> |
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| 7 | * |
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| 8 | * Authors : |
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| 9 | * Trimarchi Michael <trimarchi@gandalf.sssup.it> |
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| 10 | * (see the web pages for full authors list) |
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| 11 | * |
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| 12 | * ReTiS Lab (Scuola Superiore S.Anna - Pisa - Italy) |
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| 13 | * |
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| 14 | * http://www.sssup.it |
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| 15 | * http://retis.sssup.it |
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| 16 | * http://shark.sssup.it |
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| 17 | */ |
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| 18 | |||
| 19 | /* |
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| 20 | * Copyright (C) 2000 Paolo Gai |
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| 21 | * |
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| 22 | * This program is free software; you can redistribute it and/or modify |
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| 23 | * it under the terms of the GNU General Public License as published by |
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| 24 | * the Free Software Foundation; either version 2 of the License, or |
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| 25 | * (at your option) any later version. |
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| 26 | * |
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| 27 | * This program is distributed in the hope that it will be useful, |
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| 28 | * but WITHOUT ANY WARR2ANTY; without even the implied waRR2anty of |
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| 29 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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| 30 | * GNU General Public License for more details. |
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| 31 | * |
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| 32 | * You should have received a copy of the GNU General Public License |
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| 33 | * along with this program; if not, write to the Free Software |
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| 34 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 35 | * |
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| 36 | */ |
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| 37 | |||
| 38 | |||
| 39 | #include <ll/stdio.h> |
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| 40 | #include <ll/string.h> |
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| 41 | #include <kernel/model.h> |
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| 42 | #include <kernel/descr.h> |
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| 43 | #include <kernel/var.h> |
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| 44 | #include <kernel/func.h> |
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| 45 | #include <kernel/trace.h> |
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| 46 | #include "mpegstar.h" |
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| 47 | #include "fsf_server.h" |
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| 48 | |||
| 49 | #define MPEGSTAR_DEBUG |
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| 50 | |||
| 51 | /*+ Status used in the level +*/ |
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| 52 | #define MPEGSTAR_READY MODULE_STATUS_BASE |
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| 53 | |||
| 54 | /*+ the level redefinition for the Round Robin level +*/ |
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| 55 | typedef struct { |
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| 56 | level_des l; /*+ the standard level descriptor +*/ |
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| 57 | |||
| 58 | int scheduling_level; |
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| 59 | |||
| 60 | } MPEGSTAR_level_des; |
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| 61 | |||
| 62 | static int MPEGSTAR_public_eligible(LEVEL l, PID p) |
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| 63 | { |
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| 64 | MPEGSTAR_level_des *lev = (MPEGSTAR_level_des *)(level_table[l]); |
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| 65 | return level_table[ lev->scheduling_level ]-> |
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| 66 | private_eligible(lev->scheduling_level,p); |
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| 67 | |||
| 68 | return 0; |
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| 69 | } |
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| 70 | |||
| 71 | static int MPEGSTAR_public_create(LEVEL l, PID p, TASK_MODEL *m) |
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| 72 | { |
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| 73 | MPEGSTAR_level_des *lev = (MPEGSTAR_level_des *)(level_table[l]); |
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| 74 | |||
| 75 | return 0; /* OK */ |
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| 76 | } |
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| 77 | |||
| 78 | static void MPEGSTAR_public_dispatch(LEVEL l, PID p, int nostop) |
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| 79 | { |
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| 80 | MPEGSTAR_level_des *lev = (MPEGSTAR_level_des *)(level_table[l]); |
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| 81 | |||
| 82 | } |
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| 83 | |||
| 84 | static void MPEGSTAR_public_epilogue(LEVEL l, PID p) |
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| 85 | { |
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| 86 | MPEGSTAR_level_des *lev = (MPEGSTAR_level_des *)(level_table[l]); |
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| 87 | |||
| 88 | } |
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| 89 | |||
| 90 | static void MPEGSTAR_public_activate(LEVEL l, PID p) |
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| 91 | { |
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| 92 | MPEGSTAR_level_des *lev = (MPEGSTAR_level_des *)(level_table[l]); |
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| 93 | |||
| 94 | } |
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| 95 | |||
| 96 | static void MPEGSTAR_public_unblock(LEVEL l, PID p) |
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| 97 | { |
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| 98 | MPEGSTAR_level_des *lev = (MPEGSTAR_level_des *)(level_table[l]); |
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| 99 | |||
| 100 | } |
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| 101 | |||
| 102 | static void MPEGSTAR_public_block(LEVEL l, PID p) |
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| 103 | { |
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| 104 | MPEGSTAR_level_des *lev = (MPEGSTAR_level_des *)(level_table[l]); |
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| 105 | |||
| 106 | } |
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| 107 | |||
| 108 | static int MPEGSTAR_public_message(LEVEL l, PID p, void *m) |
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| 109 | { |
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| 110 | MPEGSTAR_level_des *lev = (MPEGSTAR_level_des *)(level_table[l]); |
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| 111 | |||
| 112 | switch ((long)(m)) { |
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| 113 | |||
| 114 | /* Task EndCycle */ |
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| 115 | case (long)(NULL): |
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| 116 | |||
| 117 | break; |
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| 118 | |||
| 119 | /* Task Disable */ |
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| 120 | case (long)(1): |
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| 121 | |||
| 122 | break; |
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| 123 | |||
| 124 | default: |
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| 125 | |||
| 126 | break; |
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| 127 | |||
| 128 | } |
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| 129 | |||
| 130 | return 0; |
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| 131 | |||
| 132 | } |
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| 133 | |||
| 134 | static void MPEGSTAR_public_end(LEVEL l, PID p) |
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| 135 | { |
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| 136 | MPEGSTAR_level_des *lev = (MPEGSTAR_level_des *)(level_table[l]); |
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| 137 | |||
| 138 | } |
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| 139 | |||
| 140 | /* Registration functions */ |
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| 141 | |||
| 142 | /*+ Registration function: |
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| 143 | TIME slice the slice for the Round Robin queue +*/ |
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| 144 | LEVEL MPEGSTAR_register_level() |
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| 145 | { |
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| 146 | LEVEL l; /* the level that we register */ |
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| 147 | MPEGSTAR_level_des *lev; /* for readableness only */ |
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| 148 | |||
| 149 | l = level_alloc_descriptor(sizeof(MPEGSTAR_level_des)); |
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| 150 | |||
| 151 | lev = (MPEGSTAR_level_des *)level_table[l]; |
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| 152 | |||
| 153 | lev->l.public_guarantee = NULL; |
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| 154 | lev->l.public_create = MPEGSTAR_public_create; |
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| 155 | lev->l.public_end = MPEGSTAR_public_end; |
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| 156 | lev->l.public_dispatch = MPEGSTAR_public_dispatch; |
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| 157 | lev->l.public_epilogue = MPEGSTAR_public_epilogue; |
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| 158 | lev->l.public_activate = MPEGSTAR_public_activate; |
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| 159 | lev->l.public_unblock = MPEGSTAR_public_unblock; |
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| 160 | lev->l.public_block = MPEGSTAR_public_block; |
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| 161 | lev->l.public_message = MPEGSTAR_public_message; |
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| 162 | lev->l.public_eligible = MPEGSTAR_public_eligible; |
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| 163 | |||
| 164 | return l; |
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| 165 | |||
| 166 | } |