1 | /* |
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2 | * This routine starts the application. It includes application, |
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3 | * board, and monitor specific initialization and configuration. |
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4 | * The generic CPU dependent initialization has been performed |
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5 | * before this routine is invoked. |
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6 | * |
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7 | * COPYRIGHT (c) 2001. |
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8 | * Ralf Corsepius (corsepiu@faw.uni-ulm.de). |
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9 | * |
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10 | * This program is distributed in the hope that it will be useful, |
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11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. |
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13 | * |
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14 | * COPYRIGHT (c) 2001. |
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15 | * On-Line Applications Research Corporation (OAR). |
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16 | * |
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17 | * The license and distribution terms for this file may be |
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18 | * found in the file LICENSE in this distribution or at |
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19 | * http://www.rtems.com/license/LICENSE. |
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20 | * |
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21 | * $Id$ |
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22 | */ |
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23 | |
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24 | #include <bsp.h> |
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25 | |
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26 | uint32_t bsp_clicks_per_second; |
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27 | |
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28 | #ifndef START_HW_INIT |
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29 | void bsp_hw_init(void); |
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30 | #endif |
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31 | |
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32 | /* |
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33 | * bsp_start |
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34 | * |
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35 | * This routine does the bulk of the system initialization. |
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36 | */ |
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37 | void bsp_start( void ) |
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38 | { |
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39 | /* |
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40 | * For real boards you need to setup the hardware |
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41 | * and need to copy the vector table from rom to ram. |
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42 | * |
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43 | * Depending on the board this can either be done from inside the rom |
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44 | * startup code, rtems startup code or here. |
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45 | */ |
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46 | |
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47 | #ifndef START_HW_INIT |
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48 | /* board hardware setup here, or from 'start.S' */ |
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49 | bsp_hw_init(); |
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50 | #endif |
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51 | |
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52 | /* |
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53 | * initialize the interrupt stack for this BSP |
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54 | */ |
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55 | #if ( CPU_ALLOCATE_INTERRUPT_STACK == FALSE ) |
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56 | _CPU_Interrupt_stack_low = &CPU_Interrupt_stack_low ; |
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57 | _CPU_Interrupt_stack_high = &CPU_Interrupt_stack_high ; |
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58 | #endif |
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59 | |
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60 | /* |
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61 | * initialize the device driver parameters |
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62 | */ |
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63 | bsp_clicks_per_second = CPU_CLOCK_RATE_HZ; |
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64 | } |
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