diff options
Diffstat (limited to 'c/src/lib/libbsp/no_cpu/no_bsp/startup/bspstart.c')
-rw-r--r-- | c/src/lib/libbsp/no_cpu/no_bsp/startup/bspstart.c | 164 |
1 files changed, 0 insertions, 164 deletions
diff --git a/c/src/lib/libbsp/no_cpu/no_bsp/startup/bspstart.c b/c/src/lib/libbsp/no_cpu/no_bsp/startup/bspstart.c deleted file mode 100644 index 4d3d3a7175..0000000000 --- a/c/src/lib/libbsp/no_cpu/no_bsp/startup/bspstart.c +++ /dev/null @@ -1,164 +0,0 @@ -/* bsp_start() - * - * 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. - * - * INPUT: NONE - * - * OUTPUT: NONE - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems.h> -#include <bsp.h> -#include <shm.h> -#include <libcsupport.h> - -/* - * 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; - -/* Initialize whatever libc we are using - * called from postdriver hook - */ - -void bsp_libc_init() -{ - extern int end; - rtems_unsigned32 heap_start; - - heap_start = (rtems_unsigned32) &end; - if (heap_start & (CPU_ALIGNMENT-1)) - heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1); - - /* - * The last parameter to RTEMS_Malloc_Initialize is the "chunk" - * size which a multiple of will be requested on each sbrk() - * call by malloc(). A value of 0 indicates that sbrk() should - * not be called to extend the heap. - */ - - RTEMS_Malloc_Initialize((void *) heap_start, 64 * 1024, 0); - - /* - * Set up for the libc handling. - */ - - if (BSP_Configuration.ticks_per_timeslice > 0) - libc_init(1); /* reentrant if possible */ - else - libc_init(0); /* non-reentrant */ - - /* - * Initialize the stack bounds checker - */ - -#ifdef STACK_CHECKER_ON - Stack_check_Initialize(); -#endif -} - -int bsp_start( - int argc, - char **argv, - char **environp -) -{ - /* - * 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. - */ - - /* - * Copy the Configuration Table .. so we can change it - */ - - BSP_Configuration = Configuration; - - /* - * Add 1 region for the RTEMS Malloc - */ - - BSP_Configuration.maximum_regions++; - - /* - * Add 1 extension for newlib libc - */ - -#ifdef RTEMS_NEWLIB - BSP_Configuration.maximum_extensions++; -#endif - - /* - * Add 1 extension for newlib libc - */ - -#ifdef RTEMS_NEWLIB - BSP_Configuration.maximum_extensions++; -#endif - - /* - * 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". - */ - - BSP_Configuration.work_space_start = (void *) 0; - - /* - * initialize the CPU table for this BSP - */ - - /* - * we do not use the pretasking_hook - */ - - Cpu_table.pretasking_hook = NULL; - - Cpu_table.predriver_hook = bsp_libc_init; /* RTEMS resources available */ - - Cpu_table.postdriver_hook = NULL; - - Cpu_table.idle_task = NULL; /* do not override system IDLE task */ - - Cpu_table.do_zero_of_workspace = TRUE; - - Cpu_table.interrupt_stack_size = 4096; - - Cpu_table.extra_system_initialization_stack = 0; - - /* - * Don't forget the other CPU Table entries. - */ - - /* - * Start RTEMS - */ - - rtems_initialize_executive( &BSP_Configuration, &Cpu_table ); - - bsp_cleanup(); - - return 0; -} |