Subversion Repositories openrisc

/*
 *  $Id: except_vect_332_ROM.S,v 1.2 2001-09-27 12:00:02 chris Exp $
 */

/* Exception Vector definitions follow */       

        /* !!! Warning !!! This table is not tested, and
           the user must make sure it is complete. */

        /* If we use TRAP #15 for reboot, note that group 0 and 1 exceptions 
           will have priority. */

        /* Vector 0:    RESET:  Initial SSP */
        .long   _RamEnd
        /* Vector 1:    RESET:  Initial PC */
        .long   start

        /* default action for undefined vectors is to re-boot */

        /* Note group 0 and 1 exception (like trace) have priority 
           over other exceptions (like trap #15) that may call this. */

        /* Vectors 2-255 */
        .long reboot   /* exception vector:   2 */
        .long reboot   /* exception vector:   3 */
        .long reboot   /* exception vector:   4 */
        .long reboot   /* exception vector:   5 */
        .long reboot   /* exception vector:   6 */
        .long reboot   /* exception vector:   7 */
        .long reboot   /* exception vector:   8 */
        .long reboot   /* exception vector:   9 */
        .long reboot   /* exception vector:  10 */
        .long reboot   /* exception vector:  11 */
        .long reboot   /* exception vector:  12 */
        .long reboot   /* exception vector:  13 */
        .long reboot   /* exception vector:  14 */
        .long reboot   /* exception vector:  15 */
        .long reboot   /* exception vector:  16 */
        .long reboot   /* exception vector:  17 */
        .long reboot   /* exception vector:  18 */
        .long reboot   /* exception vector:  19 */
        .long reboot   /* exception vector:  20 */
        .long reboot   /* exception vector:  21 */
        .long reboot   /* exception vector:  22 */
        .long reboot   /* exception vector:  23 */
        .long reboot   /* exception vector:  24 */
        .long reboot   /* exception vector:  25 */
        .long reboot   /* exception vector:  26 */
        .long reboot   /* exception vector:  27 */
        .long reboot   /* exception vector:  28 */
        .long reboot   /* exception vector:  29 */
        .long reboot   /* exception vector:  30 */
        .long reboot   /* exception vector:  31 */
        .long reboot   /* exception vector:  32 */
        .long reboot   /* exception vector:  33 */
        .long reboot   /* exception vector:  34 */
        .long reboot   /* exception vector:  35 */
        .long reboot   /* exception vector:  36 */
        .long reboot   /* exception vector:  37 */
        .long reboot   /* exception vector:  38 */
        .long reboot   /* exception vector:  39 */
        .long reboot   /* exception vector:  40 */
        .long reboot   /* exception vector:  41 */
        .long reboot   /* exception vector:  42 */
        .long reboot   /* exception vector:  43 */
        .long reboot   /* exception vector:  44 */
        .long reboot   /* exception vector:  45 */
        .long reboot   /* exception vector:  46 */
        .long _reboot  /* the reboot trap:   47 */
        .long reboot   /* exception vector:  48 */
        .long reboot   /* exception vector:  49 */
        .long reboot   /* exception vector:  50 */
        .long reboot   /* exception vector:  51 */
        .long reboot   /* exception vector:  52 */
        .long reboot   /* exception vector:  53 */
        .long reboot   /* exception vector:  54 */
        .long reboot   /* exception vector:  55 */
        .long reboot   /* exception vector:  56 */
        .long reboot   /* exception vector:  57 */
        .long reboot   /* exception vector:  58 */
        .long reboot   /* exception vector:  59 */
        .long reboot   /* exception vector:  60 */
        .long reboot   /* exception vector:  61 */
        .long reboot   /* exception vector:  62 */
        .long reboot   /* exception vector:  63 */
        .long reboot   /* exception vector:  64 */
        .long reboot   /* exception vector:  65 */
        .long reboot   /* exception vector:  66 */
        .long reboot   /* exception vector:  67 */
        .long reboot   /* exception vector:  68 */
        .long reboot   /* exception vector:  69 */
        .long reboot   /* exception vector:  70 */
        .long reboot   /* exception vector:  71 */
        .long reboot   /* exception vector:  72 */
        .long reboot   /* exception vector:  73 */
        .long reboot   /* exception vector:  74 */
        .long reboot   /* exception vector:  75 */
        .long reboot   /* exception vector:  76 */
        .long reboot   /* exception vector:  77 */
        .long reboot   /* exception vector:  78 */
        .long reboot   /* exception vector:  79 */
        .long reboot   /* exception vector:  80 */
        .long reboot   /* exception vector:  81 */
        .long reboot   /* exception vector:  82 */
        .long reboot   /* exception vector:  83 */
        .long reboot   /* exception vector:  84 */
        .long reboot   /* exception vector:  85 */
        .long reboot   /* exception vector:  86 */
        .long reboot   /* exception vector:  87 */
        .long reboot   /* exception vector:  88 */
        .long reboot   /* exception vector:  89 */
        .long reboot   /* exception vector:  90 */
        .long reboot   /* exception vector:  91 */
        .long reboot   /* exception vector:  92 */
        .long reboot   /* exception vector:  93 */
        .long reboot   /* exception vector:  94 */
        .long reboot   /* exception vector:  95 */
        .long reboot   /* exception vector:  96 */
        .long reboot   /* exception vector:  97 */
        .long reboot   /* exception vector:  98 */
        .long reboot   /* exception vector:  99 */
        .long reboot   /* exception vector: 100 */
        .long reboot   /* exception vector: 101 */
        .long reboot   /* exception vector: 102 */
        .long reboot   /* exception vector: 103 */
        .long reboot   /* exception vector: 104 */
        .long reboot   /* exception vector: 105 */
        .long reboot   /* exception vector: 106 */
        .long reboot   /* exception vector: 107 */
        .long reboot   /* exception vector: 108 */
        .long reboot   /* exception vector: 109 */
        .long reboot   /* exception vector: 110 */
        .long reboot   /* exception vector: 111 */
        .long reboot   /* exception vector: 112 */
        .long reboot   /* exception vector: 113 */
        .long reboot   /* exception vector: 114 */
        .long reboot   /* exception vector: 115 */
        .long reboot   /* exception vector: 116 */
        .long reboot   /* exception vector: 117 */
        .long reboot   /* exception vector: 118 */
        .long reboot   /* exception vector: 119 */
        .long reboot   /* exception vector: 120 */
        .long reboot   /* exception vector: 121 */
        .long reboot   /* exception vector: 122 */
        .long reboot   /* exception vector: 123 */
        .long reboot   /* exception vector: 124 */
        .long reboot   /* exception vector: 125 */
        .long reboot   /* exception vector: 126 */
        .long reboot   /* exception vector: 127 */
        .long reboot   /* exception vector: 128 */
        .long reboot   /* exception vector: 129 */
        .long reboot   /* exception vector: 130 */
        .long reboot   /* exception vector: 131 */
        .long reboot   /* exception vector: 132 */
        .long reboot   /* exception vector: 133 */
        .long reboot   /* exception vector: 134 */
        .long reboot   /* exception vector: 135 */
        .long reboot   /* exception vector: 136 */
        .long reboot   /* exception vector: 137 */
        .long reboot   /* exception vector: 138 */
        .long reboot   /* exception vector: 139 */
        .long reboot   /* exception vector: 140 */
        .long reboot   /* exception vector: 141 */
        .long reboot   /* exception vector: 142 */
        .long reboot   /* exception vector: 143 */
        .long reboot   /* exception vector: 144 */
        .long reboot   /* exception vector: 145 */
        .long reboot   /* exception vector: 146 */
        .long reboot   /* exception vector: 147 */
        .long reboot   /* exception vector: 148 */
        .long reboot   /* exception vector: 149 */
        .long reboot   /* exception vector: 150 */
        .long reboot   /* exception vector: 151 */
        .long reboot   /* exception vector: 152 */
        .long reboot   /* exception vector: 153 */
        .long reboot   /* exception vector: 154 */
        .long reboot   /* exception vector: 155 */
        .long reboot   /* exception vector: 156 */
        .long reboot   /* exception vector: 157 */
        .long reboot   /* exception vector: 158 */
        .long reboot   /* exception vector: 159 */
        .long reboot   /* exception vector: 160 */
        .long reboot   /* exception vector: 161 */
        .long reboot   /* exception vector: 162 */
        .long reboot   /* exception vector: 163 */
        .long reboot   /* exception vector: 164 */
        .long reboot   /* exception vector: 165 */
        .long reboot   /* exception vector: 166 */
        .long reboot   /* exception vector: 167 */
        .long reboot   /* exception vector: 168 */
        .long reboot   /* exception vector: 169 */
        .long reboot   /* exception vector: 170 */
        .long reboot   /* exception vector: 171 */
        .long reboot   /* exception vector: 172 */
        .long reboot   /* exception vector: 173 */
        .long reboot   /* exception vector: 174 */
        .long reboot   /* exception vector: 175 */
        .long reboot   /* exception vector: 176 */
        .long reboot   /* exception vector: 177 */
        .long reboot   /* exception vector: 178 */
        .long reboot   /* exception vector: 179 */
        .long reboot   /* exception vector: 180 */
        .long reboot   /* exception vector: 181 */
        .long reboot   /* exception vector: 182 */
        .long reboot   /* exception vector: 183 */
        .long reboot   /* exception vector: 184 */
        .long reboot   /* exception vector: 185 */
        .long reboot   /* exception vector: 186 */
        .long reboot   /* exception vector: 187 */
        .long reboot   /* exception vector: 188 */
        .long reboot   /* exception vector: 189 */
        .long reboot   /* exception vector: 190 */
        .long reboot   /* exception vector: 191 */
        .long reboot   /* exception vector: 192 */
        .long reboot   /* exception vector: 193 */
        .long reboot   /* exception vector: 194 */
        .long reboot   /* exception vector: 195 */
        .long reboot   /* exception vector: 196 */
        .long reboot   /* exception vector: 197 */
        .long reboot   /* exception vector: 198 */
        .long reboot   /* exception vector: 199 */
        .long reboot   /* exception vector: 200 */
        .long reboot   /* exception vector: 201 */
        .long reboot   /* exception vector: 202 */
        .long reboot   /* exception vector: 203 */
        .long reboot   /* exception vector: 204 */
        .long reboot   /* exception vector: 205 */
        .long reboot   /* exception vector: 206 */
        .long reboot   /* exception vector: 207 */
        .long reboot   /* exception vector: 208 */
        .long reboot   /* exception vector: 209 */
        .long reboot   /* exception vector: 210 */
        .long reboot   /* exception vector: 211 */
        .long reboot   /* exception vector: 212 */
        .long reboot   /* exception vector: 213 */
        .long reboot   /* exception vector: 214 */
        .long reboot   /* exception vector: 215 */
        .long reboot   /* exception vector: 216 */
        .long reboot   /* exception vector: 217 */
        .long reboot   /* exception vector: 218 */
        .long reboot   /* exception vector: 219 */
        .long reboot   /* exception vector: 220 */
        .long reboot   /* exception vector: 221 */
        .long reboot   /* exception vector: 222 */
        .long reboot   /* exception vector: 223 */
        .long reboot   /* exception vector: 224 */
        .long reboot   /* exception vector: 225 */
        .long reboot   /* exception vector: 226 */
        .long reboot   /* exception vector: 227 */
        .long reboot   /* exception vector: 228 */
        .long reboot   /* exception vector: 229 */
        .long reboot   /* exception vector: 230 */
        .long reboot   /* exception vector: 231 */
        .long reboot   /* exception vector: 232 */
        .long reboot   /* exception vector: 233 */
        .long reboot   /* exception vector: 234 */
        .long reboot   /* exception vector: 235 */
        .long reboot   /* exception vector: 236 */
        .long reboot   /* exception vector: 237 */
        .long reboot   /* exception vector: 238 */
        .long reboot   /* exception vector: 239 */
        .long reboot   /* exception vector: 240 */
        .long reboot   /* exception vector: 241 */
        .long reboot   /* exception vector: 242 */
        .long reboot   /* exception vector: 243 */
        .long reboot   /* exception vector: 244 */
        .long reboot   /* exception vector: 245 */
        .long reboot   /* exception vector: 246 */
        .long reboot   /* exception vector: 247 */
        .long reboot   /* exception vector: 248 */
        .long reboot   /* exception vector: 249 */
        .long reboot   /* exception vector: 250 */
        .long reboot   /* exception vector: 251 */
        .long reboot   /* exception vector: 252 */
        .long reboot   /* exception vector: 253 */
        .long reboot   /* exception vector: 254 */
        .long reboot   /* exception vector: 255 */


_reboot:
        move    #0x2700,%sr     /* mask interrupts */
        movea.l (0x0).w,%a7     /* load stack */
        movea.l (0x4).w,%a0     /* jmp to location of reset vector */
        jmp     (%a0)

reboot: 
        trap    #15             /* use trap exception to enter supervisor 
                                   state. Trace mode ( and other group 0 
                                   and 1 exceptions) *could* screw this up if 
                                   not vectored to reboot or did not return. */