summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/powerpc/dmv177/startup/vmeintr.c
blob: 3643510aeff96609db0d7d6b21dc66a2f4e73f00 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
/*  vmeintr.c
 *
 *  VMEbus support routines for the DMV170.
 *
 *  COPYRIGHT (c) 1989-1997.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may in
 *  the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 *
 *  $Id$
 */

#include <rtems.h>
#include <bsp.h>
#include <rtems/vmeintr.h>

/* PAGE
 *
 *  VME_interrupt_Disable
 *
 *  This routine disables vme interupts
 *
 *  Input parameters:
 *    mask - interupt mask
 *
 *  Output parameters:  NONE
 *
 *  Return values: NONE
 */

void VME_interrupt_Disable (
  VME_interrupt_Mask                mask                        /* IN  */
)
{
  volatile uint8_t    *VME_interrupt_enable;
  uint8_t    value;

#if 0
  VME_interrupt_enable = ACC_VIE;
#else
  VME_interrupt_enable = 0;
#endif
  value = *VME_interrupt_enable;

  value &= ~mask;  /* turn off interrupts for all levels in mask */

  *VME_interrupt_enable = value;
}

/* PAGE
 *
 *  VME_interrupt_Enable
 *
 *  This routine enables vme interupts
 *
 *  Input parameters:
 *    mask - interupt mask
 *
 *  Output parameters:  NONE
 *
 *  Return values:
 */

void VME_interrupt_Enable (
  VME_interrupt_Mask                mask                        /* IN  */
)
{
  volatile uint8_t    *VME_interrupt_enable;
  uint8_t    value;

#if 0
  VME_interrupt_enable = ACC_VIE;
#else
  VME_interrupt_enable = 0;
#endif
  value = *VME_interrupt_enable;

  value |= mask;  /* turn on interrupts for all levels in mask */

  *VME_interrupt_enable = value;
}