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[/] [openrisc/] [trunk/] [rtos/] [rtems/] [c/] [src/] [lib/] [libbsp/] [m68k/] [gen68302/] [startup/] [bspstart.c] - Blame information for rev 173

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1 30 unneback
/*
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 *  This routine starts the application.  It includes application,
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 *  board, and monitor specific initialization and configuration.
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 *  The generic CPU dependent initialization has been performed
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 *  before this routine is invoked.
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 *
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 *  COPYRIGHT (c) 1989-1999.
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 *  On-Line Applications Research Corporation (OAR).
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 *
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 *  The license and distribution terms for this file may be
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 *  found in the file LICENSE in this distribution or at
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 *  http://www.OARcorp.com/rtems/license.html.
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 *
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 *  $Id: bspstart.c,v 1.2 2001-09-27 12:00:06 chris Exp $
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 */
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#include <bsp.h>
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#include <rtems/libio.h>
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#include <libcsupport.h>
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#include <string.h>
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/*
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 *  The original table from the application and our copy of it with
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 *  some changes.
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 */
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extern rtems_configuration_table Configuration;
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rtems_configuration_table  BSP_Configuration;
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rtems_cpu_table Cpu_table;
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char *rtems_progname;
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/*
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 *  Use the shared implementations of the following routines
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 */
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void bsp_postdriver_hook(void);
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void bsp_libc_init( void *, unsigned32, int );
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void bsp_pretasking_hook(void);               /* m68k version */
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/*
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 *  bsp_start
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 *
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 *  This routine does the bulk of the system initialization.
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 */
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void bsp_start( void )
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{
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  extern void          *_WorkspaceBase;
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  extern void          *_RamSize;
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  extern void          *_RamSize;
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  extern unsigned long  _M68k_Ramsize;
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  _M68k_Ramsize = (unsigned long)&_RamSize;             /* RAM size set in linker script */
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  /*
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   *  Allocate the memory for the RTEMS Work Space.  This can come from
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   *  a variety of places: hard coded address, malloc'ed from outside
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   *  RTEMS world (e.g. simulator or primitive memory manager), or (as
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   *  typically done by stock BSPs) by subtracting the required amount
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   *  of work space from the last physical address on the CPU board.
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   */
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#if 0
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  Cpu_table.interrupt_vector_table = (mc68000_isr *) 0/*&M68Kvec*/;
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#endif
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  /*
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   *  Need to "allocate" the memory for the RTEMS Workspace and
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   *  tell the RTEMS configuration where it is.  This memory is
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   *  not malloc'ed.  It is just "pulled from the air".
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   */
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  BSP_Configuration.work_space_start = (void *) &_WorkspaceBase;
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  /*
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   *  initialize the CPU table for this BSP
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   */
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  Cpu_table.pretasking_hook = bsp_pretasking_hook;  /* init libc, etc. */
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  Cpu_table.postdriver_hook = bsp_postdriver_hook;
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  Cpu_table.interrupt_stack_size = CONFIGURE_INTERRUPT_STACK_MEMORY;
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}

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