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  • This comparison shows the changes necessary to convert path 
    /openrisc/trunk/rtos/rtems/c/src/lib/libbsp/no_cpu/no_bsp/startup
    from Rev 30 to Rev 173
    ↔ Reverse comparison
  •

Rev 30 → Rev 173

/bspstart.c
0,0 → 1,105
/*
* 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: bspstart.c,v 1.2 2001-09-27 12:00:27 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;
 
/*
* 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)
{
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);
 
bsp_libc_init((void *) heap_start, 64 * 1024, 0);
 
#ifdef RTEMS_DEBUG
rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
#endif
}
/*
* bsp_start
*
* This routine does the bulk of the system initialization.
*/
 
void bsp_start( void )
{
/*
* 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".
*/
 
BSP_Configuration.work_space_start = (void *) 0;
 
/*
* 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;
}
/linkcmds
0,0 → 1,63
/*
* This file contains directives for the GNU linker which are specific
* to the NO_CPU NO_BSP BOARD.
*
* 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: linkcmds,v 1.2 2001-09-27 12:00:27 chris Exp $
*/
 
MEMORY
{
ram : org = 0x0, l = 1M
}
 
SECTIONS
{
.text 0x0 :
{
text_start = . ;
_text_start = . ;
*(.text)
. = ALIGN (16);
 
*(.eh_fram)
. = ALIGN (16);
 
/*
* 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__ = .;
_etext = ALIGN( 0x10 ) ;
}
.data ADDR( .text ) + SIZEOF( .text ):
{
data_start = . ;
_data_start = . ;
*(.data)
_edata = ALIGN( 0x10 ) ;
}
.bss ADDR( .data ) + SIZEOF( .data ):
{
bss_start = . ;
_bss_start = . ;
*(.bss)
*(COMMON)
end = . ;
__end = . ;
}
}
/main.c
0,0 → 1,37
/* main()
*
* This is the entry point for the application. It calls
* the bsp_start routine to the actual dirty work.
*
* 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: main.c,v 1.2 2001-09-27 12:00:27 chris Exp $
*/
 
#include <rtems.h>
#include <bsp.h>
 
int main(
int argc,
char **argv,
char **environp
)
{
extern void bsp_start( int, char**, char ** );
 
bsp_start( argc, argv, environp );
 
/*
* May be able to return to the "crt/start.s" code but also
* may not be able to. Do something here which is board dependent.
*/
 
rtems_fatal_error_occurred( 0 );
 
return 0; /* just to satisfy the native compiler */
}
/bspclean.c
0,0 → 1,25
/* bsp_cleanup()
*
* This routine normally is part of start.s and usually returns
* control to a monitor.
*
* 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: bspclean.c,v 1.2 2001-09-27 12:00:27 chris Exp $
*/
 
#include <rtems.h>
#include <bsp.h>
 
void bsp_cleanup( void )
{
}
/Makefile.am
0,0 → 1,38
##
## $Id: Makefile.am,v 1.2 2001-09-27 12:00:27 chris Exp $
##
 
AUTOMAKE_OPTIONS = foreign 1.4
 
VPATH = @srcdir@:@srcdir@/../../../shared
 
PGM = $(ARCH)/startup.rel
 
C_FILES = bspclean.c bsplibc.c bsppost.c bspstart.c main.c bootcard.c sbrk.c \
setvec.c gnatinstallhandler.c
C_O_FILES = $(C_FILES:%.c=$(ARCH)/%.o)
 
OBJS = $(C_O_FILES)
 
include $(RTEMS_ROOT)/make/custom/@RTEMS_BSP@.cfg
include $(top_srcdir)/../../../../../../automake/lib.am
 
#
# (OPTIONAL) Add local stuff here using +=
#
 
$(PGM): $(OBJS)
$(make-rel)
 
$(PROJECT_RELEASE)/lib/linkcmds: linkcmds
$(INSTALL_DATA) $< $@
 
TMPINSTALL_FILES += $(PROJECT_RELEASE)/lib/linkcmds
 
all-local: $(ARCH) $(OBJS) $(PGM) $(TMPINSTALL_FILES)
 
.PRECIOUS: $(PGM)
 
EXTRA_DIST = bspclean.c bspstart.c linkcmds main.c setvec.c
 
include $(top_srcdir)/../../../../../../automake/local.am
/setvec.c
0,0 → 1,43
/* set_vector
*
* This routine installs an interrupt vector on the target Board/CPU.
* This routine is allowed to be as board dependent as necessary.
*
* INPUT:
* handler - interrupt handler entry point
* vector - vector number
* type - 0 indicates raw hardware connect
* 1 indicates RTEMS interrupt connect
*
* RETURNS:
* address of previous interrupt handler
*
* 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: setvec.c,v 1.2 2001-09-27 12:00:27 chris Exp $
*/
 
#include <rtems.h>
#include <bsp.h>
 
no_cpu_isr_entry set_vector( /* returns old vector */
rtems_isr_entry handler, /* isr routine */
rtems_vector_number vector, /* vector number */
int type /* RTEMS or RAW intr */
)
{
no_cpu_isr_entry previous_isr;
 
if ( type )
rtems_interrupt_catch( handler, vector, (rtems_isr_entry *) &previous_isr );
else {
/* XXX: install non-RTEMS ISR as "raw" interupt */
}
return previous_isr;
}
 

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