1 | /** |
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2 | * @file |
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3 | * @ingroup sparc_leon3 |
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4 | * @brief Implementations for interrupt mechanisms for Time Test 27 |
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5 | */ |
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6 | |
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7 | /* |
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8 | * tm27.h |
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9 | * |
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10 | * The license and distribution terms for this file may be |
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11 | * found in the file LICENSE in this distribution or at |
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12 | * http://www.rtems.com/license/LICENSE. |
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13 | */ |
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14 | |
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15 | #ifndef _RTEMS_TMTEST27 |
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16 | #error "This is an RTEMS internal file you must not include directly." |
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17 | #endif |
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18 | |
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19 | #ifndef __tm27_h |
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20 | #define __tm27_h |
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21 | |
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22 | /* |
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23 | * Define the interrupt mechanism for Time Test 27 |
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24 | * |
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25 | * NOTE: Since the interrupt code for the SPARC supports both synchronous |
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26 | * and asynchronous trap handlers, support for testing with both |
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27 | * is included. |
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28 | */ |
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29 | |
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30 | #define SIS_USE_SYNCHRONOUS_TRAP 0 |
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31 | |
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32 | /* |
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33 | * The synchronous trap is an arbitrarily chosen software trap. |
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34 | */ |
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35 | |
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36 | #if (SIS_USE_SYNCHRONOUS_TRAP == 1) |
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37 | |
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38 | #define TEST_VECTOR SPARC_SYNCHRONOUS_TRAP( 0x90 ) |
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39 | |
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40 | #define MUST_WAIT_FOR_INTERRUPT 1 |
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41 | |
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42 | #define Install_tm27_vector( handler ) \ |
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43 | set_vector( (handler), TEST_VECTOR, 1 ); |
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44 | |
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45 | #define Cause_tm27_intr() \ |
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46 | __asm__ volatile( "ta 0x10; nop " ); |
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47 | |
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48 | #define Clear_tm27_intr() /* empty */ |
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49 | |
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50 | #define Lower_tm27_intr() /* empty */ |
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51 | |
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52 | /* |
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53 | * The asynchronous trap is an arbitrarily chosen ERC32 interrupt source. |
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54 | */ |
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55 | |
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56 | #else /* use a regular asynchronous trap */ |
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57 | |
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58 | #define TEST_INTERRUPT_SOURCE LEON_INTERRUPT_EXTERNAL_1 |
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59 | #define TEST_VECTOR LEON_TRAP_TYPE( TEST_INTERRUPT_SOURCE ) |
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60 | #define TEST_INTERRUPT_SOURCE2 LEON_INTERRUPT_EXTERNAL_1+1 |
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61 | #define TEST_VECTOR2 LEON_TRAP_TYPE( TEST_INTERRUPT_SOURCE2 ) |
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62 | #define MUST_WAIT_FOR_INTERRUPT 1 |
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63 | |
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64 | #define Install_tm27_vector( handler ) \ |
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65 | set_vector( (handler), TEST_VECTOR, 1 ); \ |
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66 | set_vector( (handler), TEST_VECTOR2, 1 ); |
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67 | |
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68 | #define Cause_tm27_intr() \ |
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69 | do { \ |
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70 | LEON_Force_interrupt( TEST_INTERRUPT_SOURCE+(Interrupt_nest>>1)); \ |
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71 | nop(); \ |
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72 | nop(); \ |
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73 | nop(); \ |
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74 | } while (0) |
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75 | |
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76 | #define Clear_tm27_intr() \ |
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77 | LEON_Clear_interrupt( TEST_INTERRUPT_SOURCE ) |
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78 | |
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79 | #define Lower_tm27_intr() /* empty */ |
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80 | |
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81 | #endif |
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82 | |
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83 | #endif |
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