[ac7d5ef0] | 1 | /* set_vector |
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| 2 | * |
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| 3 | * This routine installs an interrupt vector on the HP PA-RISC simulator. |
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| 4 | * |
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| 5 | * INPUT: |
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| 6 | * handler - interrupt handler entry point |
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| 7 | * vector - vector number |
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| 8 | * type - 0 indicates raw hardware connect |
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| 9 | * 1 indicates RTEMS interrupt connect |
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| 10 | * |
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| 11 | * NOTE 'type' is ignored on hppa; all interrupts are owned by RTEMS |
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| 12 | * |
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| 13 | * RETURNS: |
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| 14 | * address of previous interrupt handler |
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| 15 | * |
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| 16 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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| 17 | * On-Line Applications Research Corporation (OAR). |
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| 18 | * All rights assigned to U.S. Government, 1994. |
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| 19 | * |
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| 20 | * This material may be reproduced by or for the U.S. Government pursuant |
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| 21 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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| 22 | * notice must appear in all copies of this file and its derivatives. |
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| 23 | * |
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| 24 | * $Id$ |
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| 25 | */ |
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| 26 | |
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[0b8b971] | 27 | #include <bsp.h> |
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[ac7d5ef0] | 28 | |
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| 29 | /* |
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| 30 | * Install an interrupt handler in the right place |
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| 31 | * given its vector number from cpu/hppa.h |
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| 32 | * There are 2 places an interrupt can be installed |
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| 33 | * _ISR_Vector_table |
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| 34 | * bsp interrupt XXX: nyi |
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| 35 | * |
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| 36 | * We decide which based on the vector number |
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| 37 | */ |
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| 38 | |
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| 39 | rtems_isr_entry |
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| 40 | set_vector( /* returns old vector */ |
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| 41 | rtems_isr_entry handler, /* isr routine */ |
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| 42 | rtems_vector_number vector, /* vector number */ |
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| 43 | int type /* RTEMS or RAW intr */ |
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| 44 | ) |
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| 45 | { |
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| 46 | rtems_isr_entry previous_isr; |
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| 47 | |
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| 48 | /* is it an on chip interrupt? */ |
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| 49 | /* XXX this should say CPU_INTERRUPT_NUMBER_OF_VECTORS */ |
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| 50 | if (vector < HPPA_INTERRUPT_MAX) |
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| 51 | { |
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| 52 | rtems_interrupt_catch(handler, vector, &previous_isr); |
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| 53 | } |
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| 54 | #if 0 /* XXX */ |
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| 55 | else if ((vector >= HPPA_INTERRUPT_BSP_BASE) && |
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| 56 | (vector < (HPPA_INTERRUPT_BSP_BASE + HPPA_BSP_INTERRUPTS))) |
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| 57 | { |
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| 58 | simhppa_interrupt_install(handler, |
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| 59 | vector - HPPA_INTERRUPT_BSP_BASE, |
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| 60 | (rtems_isr_entry *) &previous_isr); |
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| 61 | } |
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| 62 | #endif |
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| 63 | |
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| 64 | return previous_isr; |
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| 65 | } |
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| 66 | |
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