[c8471315] | 1 | /* |
---|
| 2 | * This routine starts the application. It includes application, |
---|
| 3 | * board, and monitor specific initialization and configuration. |
---|
| 4 | * The generic CPU dependent initialization has been performed |
---|
| 5 | * before this routine is invoked. |
---|
| 6 | * |
---|
| 7 | * COPYRIGHT (c) 1989-2000. |
---|
| 8 | * On-Line Applications Research Corporation (OAR). |
---|
| 9 | * |
---|
| 10 | * The license and distribution terms for this file may be |
---|
| 11 | * found in the file LICENSE in this distribution or at |
---|
[a6f969b3] | 12 | * http://www.rtems.com/license/LICENSE. |
---|
[c8471315] | 13 | * |
---|
| 14 | * $Id$ |
---|
| 15 | */ |
---|
| 16 | |
---|
| 17 | #include <string.h> |
---|
| 18 | |
---|
| 19 | #include <bsp.h> |
---|
| 20 | #include <rtems/libio.h> |
---|
| 21 | #include <rtems/libcsupport.h> |
---|
| 22 | |
---|
| 23 | /* |
---|
| 24 | * Use the shared implementations of the following routines |
---|
| 25 | */ |
---|
[6128a4a] | 26 | |
---|
[d1c60fb] | 27 | void bsp_libc_init( void *, uint32_t, int ); |
---|
[c8471315] | 28 | |
---|
| 29 | /* |
---|
| 30 | * Function: bsp_pretasking_hook |
---|
| 31 | * Created: 95/03/10 |
---|
| 32 | * |
---|
| 33 | * Description: |
---|
| 34 | * BSP pretasking hook. Called just before drivers are initialized. |
---|
| 35 | * Used to setup libc and install any BSP extensions. |
---|
| 36 | * |
---|
| 37 | * NOTES: |
---|
| 38 | * Must not use libc (to do io) from here, since drivers are |
---|
| 39 | * not yet initialized. |
---|
| 40 | * |
---|
| 41 | */ |
---|
[6128a4a] | 42 | |
---|
[c8471315] | 43 | void bsp_pretasking_hook(void) |
---|
| 44 | { |
---|
| 45 | extern int HeapBase; |
---|
| 46 | extern int HeapSize; |
---|
| 47 | void *heapStart = &HeapBase; |
---|
| 48 | unsigned long heapSize = (unsigned long)&HeapSize; |
---|
| 49 | |
---|
[d1c60fb] | 50 | bsp_libc_init(heapStart, (uint32_t) heapSize, 0); |
---|
[c8471315] | 51 | |
---|
| 52 | #ifdef RTEMS_DEBUG |
---|
| 53 | rtems_debug_enable( RTEMS_DEBUG_ALL_MASK ); |
---|
| 54 | #endif |
---|
| 55 | |
---|
| 56 | } |
---|
[6128a4a] | 57 | |
---|
[c8471315] | 58 | /* |
---|
| 59 | * bsp_start |
---|
| 60 | * |
---|
| 61 | * This routine does the bulk of the system initialization. |
---|
| 62 | */ |
---|
| 63 | |
---|
| 64 | void bsp_start( void ) |
---|
| 65 | { |
---|
| 66 | extern int WorkspaceBase; |
---|
[7353e150] | 67 | extern void _sys_exit(int); |
---|
| 68 | extern void mips_install_isr_entries(void); |
---|
| 69 | |
---|
[2ba9d3bd] | 70 | /* HACK -- tied to value linkcmds */ |
---|
[4130d8e2] | 71 | if ( rtems_configuration_get_work_space_size() >(4096*1024) ) |
---|
[c8471315] | 72 | _sys_exit( 1 ); |
---|
| 73 | |
---|
[4130d8e2] | 74 | Configuration.work_space_start = (void *) &WorkspaceBase; |
---|
[7a677fd7] | 75 | |
---|
| 76 | mips_set_sr( 0xff00 ); /* all interrupts unmasked but globally off */ |
---|
| 77 | /* depend on the IRC to take care of things */ |
---|
| 78 | mips_install_isr_entries(); |
---|
[c8471315] | 79 | } |
---|
| 80 | |
---|
| 81 | /* XXX */ |
---|
| 82 | void clear_cache( void *address, size_t n ) |
---|
| 83 | { |
---|
| 84 | } |
---|
| 85 | |
---|
| 86 | /* Structure filled in by get_mem_info. Only the size field is |
---|
| 87 | actually used (to clear bss), so the others aren't even filled in. */ |
---|
| 88 | |
---|
| 89 | struct s_mem |
---|
| 90 | { |
---|
| 91 | unsigned int size; |
---|
| 92 | unsigned int icsize; |
---|
| 93 | unsigned int dcsize; |
---|
| 94 | }; |
---|
| 95 | |
---|
| 96 | void |
---|
| 97 | get_mem_info (mem) |
---|
| 98 | struct s_mem *mem; |
---|
| 99 | { |
---|
| 100 | mem->size = 0x1000000; /* XXX figure out something here */ |
---|
| 101 | } |
---|