forked from Imagelibrary/rtems
a6f969b38b
* console/console-io.c, include/bsp.h, startup/bspclean.c, startup/bspstart.c, timer/timer.c, tools/runtest: URL for license changed.
124 lines
2.8 KiB
C
124 lines
2.8 KiB
C
/*
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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) 1989-2000.
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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.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#include <string.h>
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#include <bsp.h>
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#include <rtems/libio.h>
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#include <rtems/libcsupport.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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/*
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* Function: bsp_pretasking_hook
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* Created: 95/03/10
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*
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* Description:
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* BSP pretasking hook. Called just before drivers are initialized.
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* Used to setup libc and install any BSP extensions.
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*
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* NOTES:
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* Must not use libc (to do io) from here, since drivers are
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* not yet initialized.
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*
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*/
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void bsp_pretasking_hook(void)
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{
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extern int HeapBase;
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extern int HeapSize;
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void *heapStart = &HeapBase;
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unsigned long heapSize = (unsigned long)&HeapSize;
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bsp_libc_init(heapStart, (unsigned32) heapSize, 0);
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#ifdef RTEMS_DEBUG
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rtems_debug_enable( RTEMS_DEBUG_ALL_MASK );
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#endif
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}
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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 int WorkspaceBase;
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extern void _sys_exit(int);
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extern void mips_install_isr_entries(void);
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/* Configure Number of Register Caches */
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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 = 4096;
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/* HACK -- tied to value linkcmds */
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if ( BSP_Configuration.work_space_size >(4096*1024) )
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_sys_exit( 1 );
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BSP_Configuration.work_space_start = (void *) &WorkspaceBase;
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mips_set_sr( 0xff00 ); /* all interrupts unmasked but globally off */
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/* depend on the IRC to take care of things */
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mips_install_isr_entries();
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}
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/* XXX */
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void clear_cache( void *address, size_t n )
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{
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}
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/* Structure filled in by get_mem_info. Only the size field is
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actually used (to clear bss), so the others aren't even filled in. */
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struct s_mem
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{
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unsigned int size;
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unsigned int icsize;
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unsigned int dcsize;
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};
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void
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get_mem_info (mem)
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struct s_mem *mem;
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{
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mem->size = 0x1000000; /* XXX figure out something here */
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}
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