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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-10-04 20:41:28 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1999-10-04 20:41:28 +0000 |
commit | 19ca7978a660fd325d9a6b25f3dd964f81fe8b19 (patch) | |
tree | a06262aa2dafe8d981dcb9d7287bd1643526664f /c/src/lib/libbsp/powerpc/mvme2307/shmsupp/getcfg.c | |
parent | The fiels isatty.c and creat.c were copied from newlib/libc/posix to (diff) | |
download | rtems-19ca7978a660fd325d9a6b25f3dd964f81fe8b19.tar.bz2 |
Motorola MVME2307 BSP submitted by Jay Kulpinski <jskulpin@eng01.gdds.com>.
No modifications made.
Diffstat (limited to 'c/src/lib/libbsp/powerpc/mvme2307/shmsupp/getcfg.c')
-rw-r--r-- | c/src/lib/libbsp/powerpc/mvme2307/shmsupp/getcfg.c | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/powerpc/mvme2307/shmsupp/getcfg.c b/c/src/lib/libbsp/powerpc/mvme2307/shmsupp/getcfg.c new file mode 100644 index 0000000000..587345df83 --- /dev/null +++ b/c/src/lib/libbsp/powerpc/mvme2307/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) 1989-1998. + * On-Line Applications Research Corporation (OAR). + * Copyright assigned to U.S. Government, 1994. + * + * The license and distribution terms for this file may be + * found in the file LICENSE in this distribution or at + * http://www.OARcorp.com/rtems/license.html. + * + * $Id$ + */ + +#include <rtems.h> +#include <bsp.h> +#include <shm.h> + +/* + * 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; +} |