From ac7d5ef06a6d6e8d84abbd1f0b82162725f98326 Mon Sep 17 00:00:00 2001 From: Joel Sherrill Date: Thu, 11 May 1995 17:39:37 +0000 Subject: Initial revision --- c/src/lib/libbsp/no_cpu/no_bsp/shmsupp/getcfg.c | 77 +++++++++++++++++++++++++ 1 file changed, 77 insertions(+) create mode 100644 c/src/lib/libbsp/no_cpu/no_bsp/shmsupp/getcfg.c (limited to 'c/src/lib/libbsp/no_cpu/no_bsp/shmsupp/getcfg.c') diff --git a/c/src/lib/libbsp/no_cpu/no_bsp/shmsupp/getcfg.c b/c/src/lib/libbsp/no_cpu/no_bsp/shmsupp/getcfg.c new file mode 100644 index 0000000000..ca8409a3f0 --- /dev/null +++ b/c/src/lib/libbsp/no_cpu/no_bsp/shmsupp/getcfg.c @@ -0,0 +1,77 @@ +/* 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 + +/* + * 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; +} -- cgit v1.2.3