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/*
* 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.rtems.com/license/LICENSE.
*
* Ported to the i386ex and submitted by:
*
* Erik Ivanenko
* University of Toronto
* erik.ivanenko@utoronto.ca
*
* $Id$
*/
void bsp_clean_up(void);
#include <bsp.h>
/*
* Tells us where to put the workspace in case remote debugger is present.
*/
extern uint32_t rdb_start;
/*
* Use the shared implementations of the following routines
*/
void bsp_libc_init( void *, uint32_t, 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 heap_bottom;
uint32_t heap_start;
uint32_t heap_size;
heap_start = (uint32_t) &heap_bottom;
if (heap_start & (CPU_ALIGNMENT-1))
heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
heap_size = Configuration.work_space_start -(void *) heap_start ;
heap_size &= 0xfffffff0; /* keep it as a multiple of 16 bytes */
bsp_libc_init((void *) heap_start, heap_size, 0);
}
/*
* bsp_start
*
* This routine does the bulk of the system initialization.
*/
void bsp_start( void )
{
extern void rtems_irq_mngt_init(void);
Configuration.work_space_start = (void *)
RAM_END - rtems_configuration_get_work_space_size();
/*
* Init rtems_interrupt_management
*/
rtems_irq_mngt_init();
/*
* Init rtems exceptions management
*/
rtems_exception_init_mngt();
/*
* The following information is very useful when debugging.
*/
#ifdef BSP_DEBUG
printk( "RAM_START = 0x%x\nRAM_END = 0x%x\n", RAM_START, RAM_END );
printk( "work_space_start = 0x%x\n",
Configuration.work_space_start );
printk( "work_space_size = 0x%x\n",
rtems_configuration_get_work_space_size() );
printk( "microseconds_per_tick = 0x%x\n",
rtems_configuration_get_microseconds_per_tick() );
printk( "ticks_per_timeslice = 0x%x\n",
rtems_configuration_get_ticks_per_timeslice() );
/* printk( "_heap_size = 0x%x\n", _heap_size );
printk( "_stack_size = 0x%x\n", _stack_size ); */
#endif
}
void bsp_clean_up(void) {
printk("bsp_cleanup called\n");
}
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