4.104.114.84.95
Last change
on this file since 486c329 was
486c329,
checked in by Joel Sherrill <joel.sherrill@…>, on 09/20/95 at 15:05:19
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Actually adding efi bsp's from John Gwynne after forgetting to
commit them.
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-
Property mode set to
100644
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File size:
1.3 KB
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Rev | Line | |
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[486c329] | 1 | /* set_vector |
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| 2 | * |
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| 3 | * This routine installs an interrupt vector on the efi68k. |
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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 | * RETURNS: |
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| 12 | * address of previous interrupt handler |
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| 13 | * |
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| 14 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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| 15 | * On-Line Applications Research Corporation (OAR). |
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| 16 | * All rights assigned to U.S. Government, 1994. |
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| 17 | * |
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| 18 | * This material may be reproduced by or for the U.S. Government pursuant |
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| 19 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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| 20 | * notice must appear in all copies of this file and its derivatives. |
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| 21 | * |
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| 22 | * $Id$ |
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| 23 | */ |
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| 24 | |
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| 25 | #include <bsp.h> |
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| 26 | |
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| 27 | m68k_isr_entry set_vector( /* returns old vector */ |
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| 28 | rtems_isr_entry handler, /* isr routine */ |
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| 29 | rtems_vector_number vector, /* vector number */ |
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| 30 | int type /* RTEMS or RAW intr */ |
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| 31 | ) |
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| 32 | { |
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| 33 | int *p; |
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| 34 | m68k_isr_entry previous_isr; |
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| 35 | |
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| 36 | if ( type ) |
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| 37 | rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr ); |
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| 38 | else { |
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| 39 | p = (int *)(vector*6-12+2+(int)_VBR); |
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| 40 | previous_isr = (m68k_isr_entry) *p; /* return old ISR */ |
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| 41 | *p = (int) handler; /* install new ISR */ |
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| 42 | } |
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| 43 | return previous_isr; |
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| 44 | } |
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| 45 | |
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