bsps: Move startup files to bsps

Adjust build support files to new directory layout.

This patch is a part of the BSP source reorganization.

Update #3285.

bsps/sh/shared/start/bspstart.c

@@ -0,0 +1,63 @@
+/*
+ *  This routine does the bulk of the system initialization.
+ */
+
+/*
+ *  COPYRIGHT (c) 2001.
+ *  Ralf Corsepius (corsepiu@faw.uni-ulm.de).
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
+ *
+ *  COPYRIGHT (c) 2001.
+ *  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.org/license/LICENSE.
+ */
+
+#include <bsp.h>
+#include <bsp/bootcard.h>
+#include <rtems/score/percpu.h>
+
+uint32_t bsp_clicks_per_second;
+
+#ifndef START_HW_INIT
+  void bsp_hw_init(void);
+#endif
+
+/*
+ *  bsp_start
+ *
+ *  This routine does the bulk of the system initialization.
+ */
+void bsp_start( void )
+{
+  /*
+   * For real boards you need to setup the hardware
+   * and need to copy the vector table from rom to ram.
+   *
+   * Depending on the board this can either be done from inside the rom
+   * startup code, rtems startup code or here.
+   */
+
+  #ifndef START_HW_INIT
+    /* board hardware setup here, or from 'start.S' */
+    bsp_hw_init();
+  #endif
+
+  /*
+   *  initialize the interrupt stack for this BSP
+   */
+  #if ( CPU_ALLOCATE_INTERRUPT_STACK == FALSE )
+    _CPU_Interrupt_stack_low = &CPU_Interrupt_stack_low;
+    _CPU_Interrupt_stack_high = &CPU_Interrupt_stack_high;
+  #endif
+
+  /*
+   *  initialize the device driver parameters
+   */
+  bsp_clicks_per_second = CPU_CLOCK_RATE_HZ;
+}