/* void Shm_Get_configuration( localnode, &shmcfg ) * * This routine initializes, if necessary, and returns a pointer * to the Shared Memory Configuration Table for the XXX target. * * INPUT PARAMETERS: * localnode - local node number * shmcfg - address of pointer to SHM Config Table * * OUTPUT PARAMETERS: * *shmcfg - pointer to SHM Config Table * XXX: FIX THE COMMENTS BELOW WHEN THE CPU IS KNOWN * NOTES: The XYZ does not have an interprocessor interrupt. * * The following table illustrates the configuration limitations: * * BUS MAX * MODE ENDIAN NODES * ========= ====== ======= * POLLED BIG 2+ * INTERRUPT **** NOT SUPPORTED **** * * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. * On-Line Applications Research Corporation (OAR). * All rights assigned to U.S. Government, 1994. * * This material may be reproduced by or for the U.S. Government pursuant * to the copyright license under the clause at DFARS 252.227-7013. This * notice must appear in all copies of this file and its derivatives. * * $Id$ */ #include #include #include #ifndef lint static char _sccsid[] = "@(#)getcfg.c 04/08/96 1.1\n"; #endif /* * configured if currently polling of interrupt driven */ #define INTERRUPT 0 /* XXX: */ #define POLLING 1 /* XXX: fix me -- is polling ONLY!!! */ shm_config_table BSP_shm_cfgtbl; void Shm_Get_configuration( rtems_unsigned32 localnode, shm_config_table **shmcfg ) { BSP_shm_cfgtbl.base = 0x0; BSP_shm_cfgtbl.length = 1 * MEGABYTE; BSP_shm_cfgtbl.format = SHM_BIG; /* * Override cause_intr or shm_isr if your target has * special requirements. */ BSP_shm_cfgtbl.cause_intr = Shm_Cause_interrupt; #ifdef NEUTRAL_BIG BSP_shm_cfgtbl.convert = NULL_CONVERT; #else BSP_shm_cfgtbl.convert = CPU_swap_u32; #endif BSP_shm_cfgtbl.poll_intr = POLLED_MODE; BSP_shm_cfgtbl.Intr.address = NO_INTERRUPT; BSP_shm_cfgtbl.Intr.value = NO_INTERRUPT; BSP_shm_cfgtbl.Intr.length = NO_INTERRUPT; *shmcfg = &BSP_shm_cfgtbl; }