1 files changed, 134 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i386/go32/startup/bspstart.c b/c/src/lib/libbsp/i386/go32/startup/bspstart.c
new file mode 100644
index 0000000000..6478ab1bec
--- /dev/null
+++ b/c/src/lib/libbsp/i386/go32/startup/bspstart.c
@@ -0,0 +1,134 @@
+/*  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
+ *
+ *  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 <rtems.h>
+#include <bsp.h>
+#include <cpu.h>
+#include <libcsupport.h>
+
+#include <stackchk.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;
+
+/*      Initialize whatever libc we are using
+ *      called from postdriver hook
+ */
+
+void bsp_libc_init()
+{
+    rtems_unsigned32        heap_start;
+
+#if 0
+    extern int end;
+    heap_start = (rtems_unsigned32) &end;
+#else
+    void * sbrk( int );
+    heap_start = (rtems_unsigned32) sbrk( 64 * 1024 + CPU_ALIGNMENT );
+#endif
+    if (heap_start & (CPU_ALIGNMENT-1))
+        heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
+
+    RTEMS_Malloc_Initialize((void *) heap_start, 64 * 1024, 0);
+
+    /*
+     * 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 */
+
+    /*
+     *  Initialize the stack bounds checker
+     */
+
+#ifdef STACK_CHECKER_ON
+    Stack_check_Initialize();
+#endif
+
+}
+
+void bsp_start()
+{
+    extern void * sbrk( int );
+
+    Cpu_table.pretasking_hook		= NULL;
+    Cpu_table.predriver_hook = bsp_libc_init;  /* RTEMS resources available */
+    Cpu_table.postdriver_hook = NULL;   /* Call our main() for constructors */
+    Cpu_table.idle_task	= NULL;  /* do not override system IDLE task */
+    Cpu_table.do_zero_of_workspace	= TRUE;
+    Cpu_table.interrupt_table_segment	= 0;/* get_ds(); */
+    Cpu_table.interrupt_table_offset	= (void *)0;
+    Cpu_table.interrupt_stack_size	= 4096;
+    Cpu_table.extra_system_initialization_stack = 0;
+
+    /*
+     *  Copy the table
+     */
+    BSP_Configuration = Configuration;
+
+    BSP_Configuration.work_space_start = sbrk( Configuration.work_space_size );
+    if ( BSP_Configuration.work_space_start == 0 )  {
+	/* Big trouble */
+	int	write( int, void *, int );
+	void	_exit( int );
+	char	msg[] = "bsp_start() couldn't sbrk() RTEMS work space\n";
+	write( 2, msg, sizeof msg - 1 );
+	_exit( 1 );
+    }
+
+    /*
+     * Add 1 region for Malloc in libc_low
+     */
+
+    BSP_Configuration.maximum_regions++;
+
+    /*
+     * Add 1 extension for newlib libc
+     */
+
+#ifdef RTEMS_NEWLIB
+    BSP_Configuration.maximum_extensions++;
+#endif
+
+    /*
+     * Add another extension if using the stack checker
+     */
+
+#ifdef STACK_CHECKER_ON
+    BSP_Configuration.maximum_extensions++;
+#endif
+
+    rtems_initialize_executive( &BSP_Configuration, &Cpu_table );
+    /* does not return */
+
+    /* no cleanup necessary for GO32 */
+}