source: rtems/c/src/lib/libbsp/powerpc/psim/shmsupp/getcfg.c @ 001b4162

4.104.114.9
Last change on this file since 001b4162 was 3f71ac1, checked in by Ralf Corsepius <ralf.corsepius@…>, on Mar 31, 2004 at 3:47:48 AM

2004-03-31 Ralf Corsepius <ralf_corsepius@…>

  • include/bsp.h, shmsupp/getcfg.c, startup/bspstart.c, timer/timer.c: Convert to using c99 fixed size types.
  • Property mode set to 100644
File size: 1.7 KB
Line 
1/*  void Shm_Get_configuration( localnode, &shmcfg )
2 *
3 *  This routine initializes, if necessary, and returns a pointer
4 *  to the Shared Memory Configuration Table for the PowerPC PSIM.
5 *
6 *  INPUT PARAMETERS:
7 *    localnode - local node number
8 *    shmcfg    - address of pointer to SHM Config Table
9 *
10 *  OUTPUT PARAMETERS:
11 *    *shmcfg   - pointer to SHM Config Table
12 *
13 *  NOTES:  No interrupt support.
14 *
15 *  COPYRIGHT (c) 1989-1999.
16 *  On-Line Applications Research Corporation (OAR).
17 *
18 *  The license and distribution terms for this file may be
19 *  found in found in the file LICENSE in this distribution or at
20 *  http://www.rtems.com/license/LICENSE.
21 *
22 *  $Id$
23 */
24
25#include <rtems.h>
26#include "shm_driver.h"
27
28#define INTERRUPT 0                   /* PSIM target supports only */
29#define POLLING   1                   /* polling mode. */
30
31shm_config_table BSP_shm_cfgtbl;
32
33void Shm_Get_configuration(
34  uint32_t           localnode,
35  shm_config_table **shmcfg
36)
37{
38   BSP_shm_cfgtbl.base         = (uint32_t*)0xc0000000;
39   BSP_shm_cfgtbl.length       = 64 * 1024;
40   BSP_shm_cfgtbl.format       = SHM_BIG;
41
42   BSP_shm_cfgtbl.cause_intr   = Shm_Cause_interrupt;
43
44#ifdef NEUTRAL_BIG
45   BSP_shm_cfgtbl.convert      = NULL_CONVERT;
46#else
47   BSP_shm_cfgtbl.convert      = CPU_swap_u32;
48#endif
49
50#if (POLLING==1)
51   BSP_shm_cfgtbl.poll_intr    = POLLED_MODE;
52   BSP_shm_cfgtbl.Intr.address = NO_INTERRUPT;
53   BSP_shm_cfgtbl.Intr.value   = NO_INTERRUPT;
54   BSP_shm_cfgtbl.Intr.length  = NO_INTERRUPT;
55#else
56   BSP_shm_cfgtbl.poll_intr    = INTR_MODE;
57   BSP_shm_cfgtbl.Intr.address = 0;
58   BSP_shm_cfgtbl.Intr.value   = 0;
59   BSP_shm_cfgtbl.Intr.length  = BYTE;
60#endif
61
62   *shmcfg = &BSP_shm_cfgtbl;
63
64}
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