1 | /*===============================================================*\ |
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2 | | Project: RTEMS virtex BSP | |
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3 | +-----------------------------------------------------------------+ |
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4 | | Copyright (c) 2007 | |
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5 | | embedded brains GmbH | |
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6 | | Obere Lagerstr. 30 | |
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7 | | 82178 Puchheim | |
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8 | | Germany | |
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9 | | rtems@embedded-brains.de | |
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10 | +-----------------------------------------------------------------+ |
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11 | | The license and distribution terms for this file may be | |
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12 | | found in the file LICENSE in this distribution or at | |
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13 | | | |
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14 | | http://www.rtems.org/license/LICENSE. | |
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15 | | | |
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16 | +-----------------------------------------------------------------+ |
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17 | | this file declares constants of the interrupt controller | |
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18 | \*===============================================================*/ |
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19 | #ifndef VIRTEX5_IRQ_IRQ_H |
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20 | #define VIRTEX5_IRQ_IRQ_H |
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21 | |
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22 | #include <rtems/irq.h> |
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23 | #include <bsp/irq-default.h> |
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24 | |
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25 | /* |
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26 | * the following definitions specify the indices used |
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27 | * to interface the interrupt handler API |
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28 | */ |
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29 | |
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30 | /* |
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31 | * Peripheral IRQ handlers related definitions |
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32 | */ |
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33 | /* Not supported at this level */ |
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34 | |
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35 | /* |
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36 | * Processor IRQ handlers related definitions |
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37 | */ |
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38 | #define BSP_PROCESSOR_IRQ_NUMBER 3 |
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39 | #define BSP_PROCESSOR_IRQ_LOWEST_OFFSET 0 |
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40 | #define BSP_PROCESSOR_IRQ_MAX_OFFSET (BSP_PROCESSOR_IRQ_LOWEST_OFFSET\ |
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41 | +BSP_PROCESSOR_IRQ_NUMBER-1) |
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42 | |
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43 | #define BSP_IS_PROCESSOR_IRQ(irqnum) \ |
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44 | (((irqnum) >= BSP_PROCESSOR_IRQ_LOWEST_OFFSET) && \ |
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45 | ((irqnum) <= BSP_PROCESSOR_IRQ_MAX_OFFSET)) |
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46 | |
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47 | /* |
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48 | * Summary |
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49 | */ |
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50 | #define BSP_IRQ_NUMBER (BSP_PROCESSOR_IRQ_MAX_OFFSET+1) |
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51 | #define BSP_LOWEST_OFFSET BSP_PROCESSOR_IRQ_LOWEST_OFFSET |
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52 | #define BSP_MAX_OFFSET BSP_PROCESSOR_IRQ_MAX_OFFSET |
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53 | |
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54 | #define BSP_IS_VALID_IRQ(irqnum) (BSP_IS_PROCESSOR_IRQ(irqnum)) |
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55 | |
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56 | #ifndef ASM |
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57 | #ifdef __cplusplus |
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58 | extern "C" { |
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59 | #endif |
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60 | |
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61 | /* |
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62 | * index table for the module specific handlers, a few entries are only placeholders |
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63 | */ |
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64 | typedef enum { |
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65 | BSP_EXT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 0, |
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66 | BSP_PIT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 1, |
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67 | BSP_CRIT = BSP_PROCESSOR_IRQ_LOWEST_OFFSET + 2 |
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68 | } rtems_irq_symbolic_name; |
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69 | |
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70 | extern rtems_irq_connect_data *BSP_rtems_irq_tbl; |
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71 | void BSP_irqexc_on_fnc(const rtems_irq_connect_data *conn_data); |
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72 | void BSP_irqexc_off_fnc(const rtems_irq_connect_data *unused); |
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73 | void BSP_rtems_irq_mngt_init(unsigned cpuId); |
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74 | |
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75 | #define BSP_DEC BSP_PIT |
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76 | #define BSP_DECREMENTER BSP_PIT |
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77 | |
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78 | #ifdef __cplusplus |
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79 | } |
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80 | #endif |
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81 | #endif /* ASM */ |
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82 | |
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83 | #endif /* VIRTEX5_IRQ_IRQ_H */ |
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