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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libbsp/] [m68k/] [gen68340/] [startup/] [bspstart.c] - Rev 173
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/* 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) 1989-1999. * 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: bspstart.c,v 1.2 2001-09-27 12:00:07 chris Exp $ */ #include <bsp.h> #include <rtems/libio.h> #include <libcsupport.h> #include <string.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; char *rtems_progname; /* Initialize whatever libc we are using * called from postdriver hook */ void bsp_postdriver_hook(void); void bsp_libc_init( void *, unsigned32, int ); void bsp_pretasking_hook(void); /* m68k version */ /* * bsp_start * * This routine does the bulk of the system initialization. */ void bsp_start( void ) { extern void *_WorkspaceBase; extern void *_RamSize; extern unsigned long _M68k_Ramsize; _M68k_Ramsize = (unsigned long)&_RamSize; /* RAM size set in linker script */ /* * 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. */ #if 0 Cpu_table.interrupt_vector_table = (mc68000_isr *) 0/*&M68Kvec*/; #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 *)&_WorkspaceBase; /* * 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.do_zero_of_workspace = TRUE; Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY; }