[c8471315] | 1 | /* |
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| 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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| 7 | * COPYRIGHT (c) 1989-2000. |
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| 8 | * On-Line Applications Research Corporation (OAR). |
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| 9 | * |
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| 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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| 12 | * http://www.OARcorp.com/rtems/license.html. |
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| 13 | * |
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| 14 | * $Id$ |
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| 15 | */ |
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| 16 | |
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| 17 | #include <string.h> |
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| 18 | |
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| 19 | #include <bsp.h> |
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| 20 | #include <rtems/libio.h> |
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| 21 | #include <rtems/libcsupport.h> |
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| 22 | |
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| 23 | /* |
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| 24 | * The original table from the application and our copy of it with |
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| 25 | * some changes. |
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| 26 | */ |
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| 27 | |
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| 28 | extern rtems_configuration_table Configuration; |
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| 29 | |
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| 30 | rtems_configuration_table BSP_Configuration; |
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| 31 | |
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| 32 | rtems_cpu_table Cpu_table; |
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| 33 | |
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| 34 | char *rtems_progname; |
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| 35 | |
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| 36 | /* |
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| 37 | * Use the shared implementations of the following routines |
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| 38 | */ |
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| 39 | |
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| 40 | void bsp_postdriver_hook(void); |
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| 41 | void bsp_libc_init( void *, unsigned32, int ); |
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| 42 | |
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| 43 | /* |
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| 44 | * Function: bsp_pretasking_hook |
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| 45 | * Created: 95/03/10 |
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| 46 | * |
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| 47 | * Description: |
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| 48 | * BSP pretasking hook. Called just before drivers are initialized. |
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| 49 | * Used to setup libc and install any BSP extensions. |
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| 50 | * |
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| 51 | * NOTES: |
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| 52 | * Must not use libc (to do io) from here, since drivers are |
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| 53 | * not yet initialized. |
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| 54 | * |
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| 55 | */ |
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| 56 | |
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| 57 | void bsp_pretasking_hook(void) |
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| 58 | { |
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| 59 | extern int HeapBase; |
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| 60 | extern int HeapSize; |
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| 61 | void *heapStart = &HeapBase; |
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| 62 | unsigned long heapSize = (unsigned long)&HeapSize; |
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| 63 | |
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| 64 | bsp_libc_init(heapStart, (unsigned32) heapSize, 0); |
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| 65 | |
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| 66 | #ifdef RTEMS_DEBUG |
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| 67 | rtems_debug_enable( RTEMS_DEBUG_ALL_MASK ); |
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| 68 | #endif |
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| 69 | |
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| 70 | } |
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| 71 | |
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| 72 | /* |
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| 73 | * bsp_start |
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| 74 | * |
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| 75 | * This routine does the bulk of the system initialization. |
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| 76 | */ |
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| 77 | |
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| 78 | void bsp_start( void ) |
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| 79 | { |
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| 80 | extern int WorkspaceBase; |
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[7353e150] | 81 | extern void _sys_exit(int); |
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| 82 | extern void mips_install_isr_entries(void); |
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| 83 | |
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[c8471315] | 84 | /* Configure Number of Register Caches */ |
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| 85 | |
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| 86 | Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */ |
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| 87 | Cpu_table.postdriver_hook = bsp_postdriver_hook; |
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| 88 | Cpu_table.interrupt_stack_size = 4096; |
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| 89 | |
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[2ba9d3bd] | 90 | /* HACK -- tied to value linkcmds */ |
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| 91 | if ( BSP_Configuration.work_space_size >(4096*1024) ) |
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[c8471315] | 92 | _sys_exit( 1 ); |
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| 93 | |
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| 94 | BSP_Configuration.work_space_start = (void *) &WorkspaceBase; |
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[7a677fd7] | 95 | |
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| 96 | mips_set_sr( 0xff00 ); /* all interrupts unmasked but globally off */ |
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| 97 | /* depend on the IRC to take care of things */ |
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| 98 | mips_install_isr_entries(); |
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[c8471315] | 99 | } |
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| 100 | |
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| 101 | /* XXX */ |
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| 102 | void clear_cache( void *address, size_t n ) |
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| 103 | { |
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| 104 | } |
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| 105 | |
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| 106 | /* Structure filled in by get_mem_info. Only the size field is |
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| 107 | actually used (to clear bss), so the others aren't even filled in. */ |
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| 108 | |
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| 109 | struct s_mem |
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| 110 | { |
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| 111 | unsigned int size; |
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| 112 | unsigned int icsize; |
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| 113 | unsigned int dcsize; |
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| 114 | }; |
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| 115 | |
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| 116 | |
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| 117 | void |
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| 118 | get_mem_info (mem) |
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| 119 | struct s_mem *mem; |
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| 120 | { |
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| 121 | mem->size = 0x1000000; /* XXX figure out something here */ |
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| 122 | } |
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| 123 | |
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