[ac7d5ef0] | 1 | /* void Shm_Get_configuration( localnode, &shmcfg ) |
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| 2 | * |
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| 3 | * This routine initializes, if necessary, and returns a pointer |
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| 4 | * to the Shared Memory Configuration Table for the XXX target. |
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| 5 | * |
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| 6 | * INPUT PARAMETERS: |
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| 7 | * localnode - local node number |
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| 8 | * shmcfg - address of pointer to SHM Config Table |
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| 9 | * |
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| 10 | * OUTPUT PARAMETERS: |
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| 11 | * *shmcfg - pointer to SHM Config Table |
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| 12 | * |
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| 13 | XXX: FIX THE COMMENTS BELOW WHEN THE CPU IS KNOWN |
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| 14 | * NOTES: The XYZ does not have an interprocessor interrupt. |
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| 15 | * |
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| 16 | * The following table illustrates the configuration limitations: |
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| 17 | * |
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| 18 | * BUS MAX |
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| 19 | * MODE ENDIAN NODES |
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| 20 | * ========= ====== ======= |
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| 21 | * POLLED BIG 2+ |
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| 22 | * INTERRUPT **** NOT SUPPORTED **** |
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| 23 | * |
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| 24 | * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. |
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| 25 | * On-Line Applications Research Corporation (OAR). |
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| 26 | * All rights assigned to U.S. Government, 1994. |
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| 27 | * |
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| 28 | * This material may be reproduced by or for the U.S. Government pursuant |
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| 29 | * to the copyright license under the clause at DFARS 252.227-7013. This |
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| 30 | * notice must appear in all copies of this file and its derivatives. |
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| 31 | * |
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| 32 | * $Id$ |
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| 33 | */ |
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| 34 | |
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| 35 | #include <rtems.h> |
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| 36 | #include <bsp.h> |
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| 37 | #include <shm.h> |
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| 38 | |
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| 39 | /* |
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| 40 | * configured if currently polling of interrupt driven |
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| 41 | */ |
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| 42 | |
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| 43 | #define INTERRUPT 0 /* XXX: */ |
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| 44 | #define POLLING 1 /* XXX: fix me -- is polling ONLY!!! */ |
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| 45 | |
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| 46 | |
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| 47 | shm_config_table BSP_shm_cfgtbl; |
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| 48 | |
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| 49 | void Shm_Get_configuration( |
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| 50 | rtems_unsigned32 localnode, |
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| 51 | shm_config_table **shmcfg |
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| 52 | ) |
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| 53 | { |
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| 54 | BSP_shm_cfgtbl.base = 0x0; |
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| 55 | BSP_shm_cfgtbl.length = 1 * MEGABYTE; |
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| 56 | BSP_shm_cfgtbl.format = SHM_BIG; |
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| 57 | |
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| 58 | /* |
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| 59 | * Override cause_intr or shm_isr if your target has |
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| 60 | * special requirements. |
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| 61 | */ |
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| 62 | |
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| 63 | BSP_shm_cfgtbl.cause_intr = Shm_Cause_interrupt; |
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| 64 | |
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| 65 | #ifdef NEUTRAL_BIG |
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| 66 | BSP_shm_cfgtbl.convert = NULL_CONVERT; |
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| 67 | #else |
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| 68 | BSP_shm_cfgtbl.convert = CPU_swap_u32; |
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| 69 | #endif |
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| 70 | |
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| 71 | BSP_shm_cfgtbl.poll_intr = POLLED_MODE; |
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| 72 | BSP_shm_cfgtbl.Intr.address = NO_INTERRUPT; |
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| 73 | BSP_shm_cfgtbl.Intr.value = NO_INTERRUPT; |
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| 74 | BSP_shm_cfgtbl.Intr.length = NO_INTERRUPT; |
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| 75 | |
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| 76 | *shmcfg = &BSP_shm_cfgtbl; |
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| 77 | } |
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