Hello world with leon2 problem

Arquer Stephane stephane.arquer at c-s.cnes.fr
Tue Jan 22 15:46:58 UTC 2008


Hi,

I'm trying to compile a simple hello_world.c example with rtems v4.7.1
using the BSP leon2.
The same example compiled with rtems v4.6.6 runs on the target, but when
I compile it with rtems v4.7.1 an error occurs just after the "go".
I don't have grmon for the moment, so I don't know anything else about
the error.

Is there something else to configure regarding the previous rtems
version ?

Thanks ahead for any help.

Sa.


I use the following linkcmds file:
/*  linkcmds
 *
 *  linkcmds,v 1.4 2003/01/20 20:19:35 joel Exp
 */

OUTPUT_ARCH(sparc)
__DYNAMIC  =  0;

/*
 * The memory map looks like this:
 * +--------------------+ <- low memory
 * | .text              |
 * |        etext       |
 * |        ctor list   | the ctor and dtor lists are for
 * |        dtor list   | C++ support
 * |        _endtext    |
 * +--------------------+
 * | .data              | initialized data goes here
 * |        _sdata      |
 * |        _edata      |
 * +--------------------+
 * | .bss               |
 * |        __bss_start | start of bss, cleared by crt0
 * |        _end        | start of heap, used by sbrk()
 * +--------------------+
 * |    heap space      |
 * |        _ENDHEAP    |
 * |    stack space     | 
 * |        __stack     | top of stack
 * +--------------------+ <- high memory
 */


/*
 * User modifiable values:
 *
 * _CLOCK_SPEED               in Mhz (used to program the
counter/timers)
 *
 * _PROM_SIZE                 size of PROM (permissible values are 128K,
256K,
 *                               512K, 1M, 2M, 4M, 8M and 16M)
 * _RAM_SIZE                  size of RAM (permissible values are 256K,
512K,
 *                               1M, 2M, 4M, 8M, 16M, and 32M)
 *
 */

/* Default values, can be overridden */

/*_CLOCK_SPEED = 8;*/ /* carte inicore */
/*_CLOCK_SPEED = 5;*/ /* carte bertin */
_CLOCK_SPEED = 20;

_PROM_SIZE = 4M;
_RAM_SIZE =  2M;

/* _RAM_START = 0x60000000;*/
/*_RAM_START = 0x40020000;*/
_RAM_START = 0x40060000;
_RAM_END = _RAM_START + _RAM_SIZE;

_PROM_START = 0x00000000;
_PROM_END = _PROM_START + _PROM_SIZE;

/*
 *  Alternate names without leading _.
 */

PROM_START = _PROM_START;
PROM_SIZE = _PROM_SIZE;
PROM_END = _PROM_END;

RAM_START = _RAM_START;
RAM_SIZE = _RAM_SIZE;
RAM_END = _RAM_END;

/*
 *  Base address of the on-CPU peripherals
 */

_LEON_REG = 0x80000000;
LEON_REG = 0x80000000;

/* these are the maximum values */

MEMORY
{
  rom     : ORIGIN = 0x00000000, LENGTH = 256M
/*  ram     : ORIGIN = 0x60000000, LENGTH = 1024M */
  ram     : ORIGIN = 0x40060000, LENGTH = 1024M
}

/*
 * stick everything in ram (of course)
 */
SECTIONS
{
  .text :
  {
    CREATE_OBJECT_SYMBOLS
    text_start = .;
    _text_start = .;
    *(.text)
    . = ALIGN (16);

    /*
     * Special FreeBSD sysctl sections.
     */
    . = ALIGN (16);
    __start_set_sysctl_set = .;
    *(set_sysctl_*);
    __stop_set_sysctl_set = ABSOLUTE(.);
    *(set_domain_*);
    *(set_pseudo_*);

    *(.eh_frame)
    . = ALIGN (16);

    *(.gnu.linkonce.t*)

    /*
     * C++ constructors
     */
    __CTOR_LIST__ = .;
    LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2)
    *(.ctors)
    LONG(0)
    __CTOR_END__ = .;
    __DTOR_LIST__ = .;
    LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2)
    *(.dtors)
    LONG(0)
    __DTOR_END__ = .;

    _rodata_start = . ;
    *(.rodata*)
    *(.gnu.linkonce.r*)
    _erodata = ALIGN( 0x10 ) ;

    etext = ALIGN(0x10);
    _etext = .;
    *(.init)
    *(.fini)
    *(.lit)
    *(.shdata)
    . = ALIGN (16);
    _endtext = .;
  } > ram
  .dynamic	  : { *(.dynamic) 	} >ram
  .jcr		  : { *(.jcr) 		} >ram
  .got		  : { *(.got) 		} >ram
  .plt   	  : { *(.plt) 		} >ram
  .hash		  : { *(.hash)		} >ram
  .dynrel	  : { *(.dynrel)	} >ram
  .dynsym	  : { *(.dynsym)	} >ram
  .dynstr	  : { *(.dynstr)	} >ram
  .hash		  : { *(.hash)		} >ram
  .data :
  {
    data_start = .;
    _data_start = .;
    _sdata = . ;
    *(.data)
    *(.gnu.linkonce.d*)
    *(.gcc_except_table)
    . = ALIGN(0x10);
    edata = .;
    _edata = .;
  } > ram
  .shbss :
  {
    *(.shbss)
  } > ram
  .bss :
  {
    __bss_start = ALIGN(0x8);
    _bss_start = .;
    bss_start = .;
    *(.bss)
    *(COMMON)
    end = .;
    _end = ALIGN(0x8);
    __end = ALIGN(0x8);
  } > ram
  .stab . (NOLOAD) :
  {
    [ .stab ]
  }
  .stabstr . (NOLOAD) :
  {
    [ .stabstr ]
  }
}





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