diff options
Diffstat (limited to 'c/src/lib/libbsp/a29k/portsw/startup/bspstart.c')
| -rw-r--r-- | c/src/lib/libbsp/a29k/portsw/startup/bspstart.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/c/src/lib/libbsp/a29k/portsw/startup/bspstart.c b/c/src/lib/libbsp/a29k/portsw/startup/bspstart.c deleted file mode 100644 index b72802f007..0000000000 --- a/c/src/lib/libbsp/a29k/portsw/startup/bspstart.c +++ /dev/null @@ -1,177 +0,0 @@ -/* - * This routine starts the application. It includes application, - * board, and monitor specific initialization and configuration. - * The generic CPU dependent initialization has been performed - * before this routine is invoked. - * - * COPYRIGHT (c) 1989-1999. - * On-Line Applications Research Corporation (OAR). - * - * 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 <string.h> - -#include <bsp.h> -#include <rtems/libio.h> -#include <rtems/libcsupport.h> - -#ifndef lint -static char _sccsid[] = "@(#)bspstart.c 09/11/96 1.15\n"; -#endif - -int CPU_CLOCK_RATE_MHZ = 25; - -/* - * The original table from the application and our copy of it with - * some changes. - */ - -extern rtems_configuration_table Configuration; - -rtems_configuration_table BSP_Configuration; - -rtems_cpu_table Cpu_table; - -char *rtems_progname; - -/* Initialize whatever libc we are using - * called from postdriver hook - */ - -#define HEAP_BLOCK_SIZE (16 * 1024) - -rtems_unsigned32 heap_size = 0; -rtems_unsigned32 heap_start; - -/* - * Use the shared implementations of the following routines - */ - -void bsp_postdriver_hook(void); -void bsp_libc_init( void *, unsigned32, int ); - -/* - * Function: bsp_pretasking_hook - * Created: 95/03/10 - * - * Description: - * BSP pretasking hook. Called just before drivers are initialized. - * Used to setup libc and install any BSP extensions. - * - * NOTES: - * Must not use libc (to do io) from here, since drivers are - * not yet initialized. - * - */ - -void bsp_pretasking_hook(void) -{ - /* allocate a maximum of 2 megabytes for the heap */ - heap_size = 2 * 1024 * 1024; - - /* allocate all remaining memory to the heap */ - do { - heap_size -= HEAP_BLOCK_SIZE; -/* JRS just to link 9/22/2000 */ -#if 0 - heap_start = _sysalloc( heap_size ); -#else - heap_start = 0; -#endif - } while ( !heap_start ); - - if (!heap_start) - rtems_fatal_error_occurred( heap_size ); - - if (heap_start & (CPU_ALIGNMENT-1)) - heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1); - - - bsp_libc_init((void *) heap_start, heap_size, 0); - - -#ifdef RTEMS_DEBUG - rtems_debug_enable( RTEMS_DEBUG_ALL_MASK ); -#endif -} - -/* - * bsp_start - * - * This routine does the bulk of the system initialization. - */ - -int bsp_start( - int argc, - char **argv, - char **environp -) -{ - if ((argc > 0) && argv && argv[0]) - rtems_progname = argv[0]; - else - rtems_progname = "RTEMS"; - - /* set the PIA0 register wait states */ - *(volatile unsigned32 *)0x80000020 = 0x04080000; - - /* - * Allocate the memory for the RTEMS Work Space. This can come from - * a variety of places: hard coded address, malloc'ed from outside - * RTEMS world (e.g. simulator or primitive memory manager), or (as - * typically done by stock BSPs) by subtracting the required amount - * of work space from the last physical address on the CPU board. - */ - - /* - * Need to "allocate" the memory for the RTEMS Workspace and - * tell the RTEMS configuration where it is. This memory is - * not malloc'ed. It is just "pulled from the air". - */ - -/* JRS just to link 9/22/2000 */ -#if 0 - BSP_Configuration.work_space_start = _sysalloc( BSP_Configuration.work_space_size + 512 ); -#else - BSP_Configuration.work_space_start = 0; -#endif - if (!BSP_Configuration.work_space_start) - rtems_fatal_error_occurred( BSP_Configuration.work_space_size ); - - BSP_Configuration.work_space_start = (void *) ((unsigned int)((char *)BSP_Configuration.work_space_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1)); - - /* - * initialize the CPU table for this BSP - */ - - Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */ - Cpu_table.postdriver_hook = bsp_postdriver_hook; - Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY; - -/* JRS just to link 9/22/2000 */ -#if 0 - _settrap( 109,&a29k_enable_sup); - _settrap( 110,&a29k_disable_sup); - _settrap( 111,&a29k_enable_all_sup); - _settrap( 112,&a29k_disable_all_sup); - _settrap( 106,&a29k_context_switch_sup); - _settrap( 107,&a29k_context_restore_sup); - _settrap( 108,&a29k_context_save_sup); - _settrap( 105,&a29k_sigdfl_sup); -#endif - - /* - * Start RTEMS - */ - - rtems_initialize_executive( &BSP_Configuration, &Cpu_table ); - - bsp_cleanup(); - - return 0; -} |