[b6394ae] | 1 | /* |
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[ac7d5ef0] | 2 | * This routine starts the application. It includes application, |
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| 3 | * board, and monitor specific initialization and configuration. |
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| 4 | * The generic CPU dependent initialization has been performed |
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| 5 | * before this routine is invoked. |
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| 6 | * |
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[08311cc3] | 7 | * COPYRIGHT (c) 1989-1999. |
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[ac7d5ef0] | 8 | * On-Line Applications Research Corporation (OAR). |
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| 9 | * |
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[98e4ebf5] | 10 | * The license and distribution terms for this file may be |
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| 11 | * found in the file LICENSE in this distribution or at |
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[03f2154e] | 12 | * http://www.OARcorp.com/rtems/license.html. |
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[ac7d5ef0] | 13 | * |
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| 14 | * Modifications of respective RTEMS file: COPYRIGHT (c) 1994. |
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| 15 | * EISCAT Scientific Association. M.Savitski |
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| 16 | * |
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| 17 | * This material is a part of the MVME162 Board Support Package |
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| 18 | * for the RTEMS executive. Its licensing policies are those of the |
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| 19 | * RTEMS above. |
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| 20 | * |
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| 21 | * $Id$ |
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| 22 | */ |
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| 23 | |
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| 24 | #include <bsp.h> |
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[3a4ae6c] | 25 | #include <rtems/libio.h> |
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[2938c1a3] | 26 | #include <page_table.h> |
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[3a4ae6c] | 27 | |
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[ac7d5ef0] | 28 | #include <libcsupport.h> |
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[3a4ae6c] | 29 | |
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| 30 | #include <string.h> |
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| 31 | |
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[ac7d5ef0] | 32 | /* |
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| 33 | * The original table from the application and our copy of it with |
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| 34 | * some changes. |
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| 35 | */ |
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| 36 | |
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| 37 | extern rtems_configuration_table Configuration; |
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| 38 | rtems_configuration_table BSP_Configuration; |
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| 39 | |
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| 40 | rtems_cpu_table Cpu_table; |
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| 41 | |
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[3a4ae6c] | 42 | char *rtems_progname; |
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| 43 | |
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[b6394ae] | 44 | /* |
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| 45 | * Use the shared implementations of the following routines |
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[ac7d5ef0] | 46 | */ |
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[b6394ae] | 47 | |
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| 48 | void bsp_postdriver_hook(void); |
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| 49 | void bsp_libc_init( void *, unsigned32, int ); |
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[b8c9883] | 50 | void bsp_pretasking_hook(void); /* m68k version */ |
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[ac7d5ef0] | 51 | |
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[3a4ae6c] | 52 | /* |
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[b6394ae] | 53 | * bsp_start |
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| 54 | * |
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| 55 | * This routine does the bulk of the system initialization. |
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[3a4ae6c] | 56 | */ |
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| 57 | |
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[e2a2ec60] | 58 | void bsp_start( void ) |
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[ac7d5ef0] | 59 | { |
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[497428a2] | 60 | m68k_isr_entry *monitors_vector_table; |
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| 61 | int index; |
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[b8c9883] | 62 | extern void *_WorkspaceBase; |
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[ac7d5ef0] | 63 | |
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| 64 | /* |
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| 65 | * 162Bug Vectors are at 0xFFE00000 |
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[49c2f589] | 66 | * 162Bug Vectors on LX are at 0x00000000 |
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[ac7d5ef0] | 67 | */ |
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| 68 | |
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[49c2f589] | 69 | #if defined(mvme162lx) |
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| 70 | monitors_vector_table = (m68k_isr_entry *)0x00000000; |
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| 71 | #else |
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[497428a2] | 72 | monitors_vector_table = (m68k_isr_entry *)0xFFE00000; |
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[49c2f589] | 73 | #endif |
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[ac7d5ef0] | 74 | |
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| 75 | m68k_set_vbr( monitors_vector_table ); |
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| 76 | |
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| 77 | for ( index=2 ; index<=255 ; index++ ) |
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| 78 | M68Kvec[ index ] = monitors_vector_table[ 32 ]; |
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| 79 | |
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| 80 | M68Kvec[ 2 ] = monitors_vector_table[ 2 ]; /* bus error vector */ |
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| 81 | M68Kvec[ 4 ] = monitors_vector_table[ 4 ]; /* breakpoints vector */ |
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| 82 | M68Kvec[ 9 ] = monitors_vector_table[ 9 ]; /* trace vector */ |
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| 83 | M68Kvec[ 47 ] = monitors_vector_table[ 47 ]; /* system call vector */ |
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| 84 | |
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| 85 | m68k_set_vbr( &M68Kvec ); |
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| 86 | |
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| 87 | /* |
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[c6fb8e90] | 88 | * You may wish to make the VME arbitration round-robin here, currently |
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[ac7d5ef0] | 89 | * we leave it as it is. |
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| 90 | */ |
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| 91 | |
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[c6fb8e90] | 92 | /* set the Interrupt Base Vectors */ |
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| 93 | |
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| 94 | lcsr->vector_base = (VBR0 << 28) | (VBR1 << 24); |
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[ac7d5ef0] | 95 | |
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[5c491aef] | 96 | page_table_init(); |
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[ac7d5ef0] | 97 | |
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| 98 | /* |
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| 99 | * we only use a hook to get the C library initialized. |
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| 100 | */ |
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| 101 | |
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[3652ad35] | 102 | Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */ |
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[3a4ae6c] | 103 | Cpu_table.postdriver_hook = bsp_postdriver_hook; |
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[497428a2] | 104 | Cpu_table.interrupt_vector_table = (m68k_isr_entry *) &M68Kvec; |
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[ac7d5ef0] | 105 | Cpu_table.interrupt_stack_size = 4096; |
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| 106 | |
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[b8c9883] | 107 | BSP_Configuration.work_space_start = (void *) &_WorkspaceBase; |
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[ac7d5ef0] | 108 | } |
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