New (Submission by Bruce Robinson <brucer@pmccorp.com>)

1 files changed, 104 insertions, 0 deletions

diff --git a/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c b/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c
new file mode 100644
index 0000000000..0cda9b5f36
--- /dev/null
+++ b/c/src/lib/libbsp/mips/rbtx4925/startup/bspstart.c
@@ -0,0 +1,104 @@
+/*
+ *  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) 1989-2000.
+ *  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.
+ *
+ *  bspstart.c,v 1.4.2.1 2003/09/04 18:44:49 joel Exp
+ */
+
+#include <string.h>
+
+#include <bsp.h>
+#include <rtems/libio.h>
+#include <rtems/libcsupport.h>
+
+#define LIBC_HEAP_SIZE (64 * 1024)
+
+extern int end; /* defined by linker */
+
+/*
+ *  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 *, uint32_t, int );
+
+void init_exc_vecs(void);
+
+/*
+ *  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)
+{
+    uint32_t heap_start;
+
+    heap_start = (uint32_t) &end;
+    if (heap_start & (CPU_ALIGNMENT-1))
+        heap_start = (heap_start + CPU_ALIGNMENT) & ~(CPU_ALIGNMENT-1);
+
+    bsp_libc_init((void *) heap_start, LIBC_HEAP_SIZE, 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 )
+{
+  extern int WorkspaceBase;
+  extern void mips_install_isr_entries(void);
+
+  /* Configure Number of Register Caches */
+
+  Cpu_table.pretasking_hook = bsp_pretasking_hook;  /* init libc, etc. */
+  Cpu_table.postdriver_hook = bsp_postdriver_hook;
+  Cpu_table.interrupt_stack_size = 4096;
+
+  BSP_Configuration.work_space_start =
+       (void *)((uint64_t)((&end) + LIBC_HEAP_SIZE + 0x100) & ~0x7);
+
+  mips_install_isr_entries();		/* Install generic MIPS exception handler */
+
+/*  init_exc_vecs();	*/        			/* Install BSP specific exception handler */
+
+}
+