diff options
Diffstat (limited to 'c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c')
-rw-r--r-- | c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c | 276 |
1 files changed, 0 insertions, 276 deletions
diff --git a/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c b/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c deleted file mode 100644 index e8faaa2904..0000000000 --- a/c/src/lib/libbsp/powerpc/papyrus/startup/bspstart.c +++ /dev/null @@ -1,276 +0,0 @@ -/* bsp_start() - * - * 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. - * - * INPUT: NONE - * - * OUTPUT: NONE - * - * Author: Andrew Bray <andy@i-cubed.co.uk> - * - * COPYRIGHT (c) 1995 by i-cubed ltd. - * - * To anyone who acknowledges that this file is provided "AS IS" - * without any express or implied warranty: - * permission to use, copy, modify, and distribute this file - * for any purpose is hereby granted without fee, provided that - * the above copyright notice and this notice appears in all - * copies, and that the name of i-cubed limited not be used in - * advertising or publicity pertaining to distribution of the - * software without specific, written prior permission. - * i-cubed limited makes no representations about the suitability - * of this software for any purpose. - * - * Derived from c/src/lib/libbsp/no_cpu/no_bsp/startup/bspstart.c: - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <bsp.h> -#include <rtems/libio.h> - -#include <libcsupport.h> - -#include <string.h> -#include <fcntl.h> - -#ifdef STACK_CHECKER_ON -#include <stackchk.h> -#endif - -/* - * 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; - -/* Initialize whatever libc we are using - * called from postdriver hook - */ - -void bsp_libc_init() -{ - 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); - - /* - * The last parameter to RTEMS_Malloc_Initialize is the "chunk" - * size which a multiple of will be requested on each sbrk() - * call by malloc(). A value of 0 indicates that sbrk() should - * not be called to extend the heap. - */ - - RTEMS_Malloc_Initialize((void *) heap_start, 64 * 1024, 0); - - /* - * Init the RTEMS libio facility to provide UNIX-like system - * calls for use by newlib (ie: provide __open, __close, etc) - * Uses malloc() to get area for the iops, so must be after malloc init - */ - - rtems_libio_init(); - - /* - * Set up for the libc handling. - */ - - if (BSP_Configuration.ticks_per_timeslice > 0) - libc_init(1); /* reentrant if possible */ - else - libc_init(0); /* non-reentrant */ - -} - -/* - * 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) -{ - bsp_libc_init(); - -#ifdef STACK_CHECKER_ON - /* - * Initialize the stack bounds checker - * We can either turn it on here or from the app. - */ - - Stack_check_Initialize(); -#endif - -#ifdef RTEMS_DEBUG - rtems_debug_enable( RTEMS_DEBUG_ALL_MASK ); -#endif -} - - -/* - * After drivers are setup, register some "filenames" - * and open stdin, stdout, stderr files - * - * Newlib will automatically associate the files with these - * (it hardcodes the numbers) - */ - -void -bsp_postdriver_hook(void) -{ - int stdin_fd, stdout_fd, stderr_fd; - int error_code; - - error_code = 'S' << 24 | 'T' << 16; - - if ((stdin_fd = __open("/dev/console", O_RDONLY, 0)) == -1) - rtems_fatal_error_occurred( error_code | 'D' << 8 | '0' ); - - if ((stdout_fd = __open("/dev/console", O_WRONLY, 0)) == -1) - rtems_fatal_error_occurred( error_code | 'D' << 8 | '1' ); - - if ((stderr_fd = __open("/dev/console", O_WRONLY, 0)) == -1) - rtems_fatal_error_occurred( error_code | 'D' << 8 | '2' ); - - if ((stdin_fd != 0) || (stdout_fd != 1) || (stderr_fd != 2)) - rtems_fatal_error_occurred( error_code | 'I' << 8 | 'O' ); -} - -int bsp_start( - int argc, - char **argv, - char **environp -) -{ - if ((argc > 0) && argv && argv[0]) - rtems_progname = argv[0]; - else - rtems_progname = "RTEMS"; - - /* - * 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. - */ - - /* - * Copy the Configuration Table .. so we can change it - */ - - BSP_Configuration = Configuration; - - /* - * Add 1 region for the RTEMS Malloc - */ - - BSP_Configuration.RTEMS_api_configuration->maximum_regions++; - - /* - * Add 1 extension for newlib libc - */ - -#ifdef RTEMS_NEWLIB - BSP_Configuration.maximum_extensions++; -#endif - - /* - * Add 1 extension for stack checker - */ - -#ifdef STACK_CHECKER_ON - BSP_Configuration.maximum_extensions++; -#endif - - /* - * Tell libio how many fd's we want and allow it to tweak config - */ - - rtems_libio_config(&BSP_Configuration, BSP_LIBIO_MAX_FDS); - - /* - * 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 *) - RAM_END - BSP_Configuration.work_space_size; - - /* - * initialize the CPU table for this BSP - */ - - Cpu_table.pretasking_hook = bsp_pretasking_hook; /* init libc, etc. */ - - Cpu_table.predriver_hook = NULL; - - Cpu_table.postdriver_hook = bsp_postdriver_hook; - - Cpu_table.idle_task = NULL; /* do not override system IDLE task */ - - Cpu_table.do_zero_of_workspace = TRUE; - - Cpu_table.interrupt_stack_size = 4 * 1024; - - Cpu_table.extra_mpci_receive_server_stack = 0; - - /* - * Don't forget the other CPU Table entries. - */ - - Cpu_table.clicks_per_usec = 10; - - Cpu_table.serial_per_sec = 10000000; - - Cpu_table.serial_external_clock = 1; - - Cpu_table.serial_xon_xoff = 0; - - Cpu_table.serial_cts_rts = 1; - - Cpu_table.serial_rate = 9600; - - Cpu_table.timer_average_overhead = 2; - - Cpu_table.timer_least_valid = 3; - - /* - * Start RTEMS - */ - - rtems_initialize_executive( &BSP_Configuration, &Cpu_table ); - - bsp_cleanup(); -} |