Remove make preinstall

A speciality of the RTEMS build system was the make preinstall step.  It
copied header files from arbitrary locations into the build tree.  The
header files were included via the -Bsome/build/tree/path GCC command
line option.

This has at least seven problems:

* The make preinstall step itself needs time and disk space.

* Errors in header files show up in the build tree copy.  This makes it
  hard for editors to open the right file to fix the error.

* There is no clear relationship between source and build tree header
  files.  This makes an audit of the build process difficult.

* The visibility of all header files in the build tree makes it
  difficult to enforce API barriers.  For example it is discouraged to
  use BSP-specifics in the cpukit.

* An introduction of a new build system is difficult.

* Include paths specified by the -B option are system headers.  This
  may suppress warnings.

* The parallel build had sporadic failures on some hosts.

This patch removes the make preinstall step.   All installed header
files are moved to dedicated include directories in the source tree.
Let @RTEMS_CPU@ be the target architecture, e.g. arm, powerpc, sparc,
etc.  Let @RTEMS_BSP_FAMILIY@ be a BSP family base directory, e.g.
erc32, imx, qoriq, etc.

The new cpukit include directories are:

* cpukit/include

* cpukit/score/cpu/@RTEMS_CPU@/include

* cpukit/libnetworking

The new BSP include directories are:

* bsps/include

* bsps/@RTEMS_CPU@/include

* bsps/@RTEMS_CPU@/@RTEMS_BSP_FAMILIY@/include

There are build tree include directories for generated files.

The include directory order favours the most general header file, e.g.
it is not possible to override general header files via the include path
order.

The "bootstrap -p" option was removed.  The new "bootstrap -H" option
should be used to regenerate the "headers.am" files.

Update #3254.

1 files changed, 133 insertions, 0 deletions

diff --git a/bsps/powerpc/beatnik/include/bsp/gt_timer.h b/bsps/powerpc/beatnik/include/bsp/gt_timer.h
new file mode 100644
index 0000000000..4a68971d13
--- /dev/null
+++ b/bsps/powerpc/beatnik/include/bsp/gt_timer.h
@@ -0,0 +1,133 @@
+#ifndef BSP_GT_TIMER_H
+#define BSP_GT_TIMER_H
+
+/* Support for hardware timers in the discovery bridge */
+
+/* 
+ * Authorship
+ * ----------
+ * This software ('beatnik' RTEMS BSP for MVME6100 and MVME5500) was
+ *     created by Till Straumann <strauman@slac.stanford.edu>, 2005-2007,
+ * 	   Stanford Linear Accelerator Center, Stanford University.
+ * 
+ * Acknowledgement of sponsorship
+ * ------------------------------
+ * The 'beatnik' BSP was produced by
+ *     the Stanford Linear Accelerator Center, Stanford University,
+ * 	   under Contract DE-AC03-76SFO0515 with the Department of Energy.
+ * 
+ * Government disclaimer of liability
+ * ----------------------------------
+ * Neither the United States nor the United States Department of Energy,
+ * nor any of their employees, makes any warranty, express or implied, or
+ * assumes any legal liability or responsibility for the accuracy,
+ * completeness, or usefulness of any data, apparatus, product, or process
+ * disclosed, or represents that its use would not infringe privately owned
+ * rights.
+ * 
+ * Stanford disclaimer of liability
+ * --------------------------------
+ * Stanford University makes no representations or warranties, express or
+ * implied, nor assumes any liability for the use of this software.
+ * 
+ * Stanford disclaimer of copyright
+ * --------------------------------
+ * Stanford University, owner of the copyright, hereby disclaims its
+ * copyright and all other rights in this software.  Hence, anyone may
+ * freely use it for any purpose without restriction.  
+ * 
+ * Maintenance of notices
+ * ----------------------
+ * In the interest of clarity regarding the origin and status of this
+ * SLAC software, this and all the preceding Stanford University notices
+ * are to remain affixed to any copy or derivative of this software made
+ * or distributed by the recipient and are to be affixed to any copy of
+ * software made or distributed by the recipient that contains a copy or
+ * derivative of this software.
+ * 
+ * ------------------ SLAC Software Notices, Set 4 OTT.002a, 2004 FEB 03
+ */ 
+
+#include <stdint.h>
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+/* Obtain the number of hardware timers present
+ * The 'timer' argument in the routines below addresses
+ * one of 0..(BSP_timer_instances()-1)
+ */
+int BSP_timer_instances(void);
+
+/* Setup timer but don't start yet; interrupts are enabled if an isr argument is passed
+ * no interrupts are generated otherwise.
+ *
+ * If 'reload' is nonzero then the period is automatically restarted.
+ *
+ * RETURNS: 0 on success, nonzero on error (argument error)
+ *
+ * NOTE: If an ISR is already connected, it must be removed by passing a NULL isr first.
+ */
+int      BSP_timer_setup(uint32_t timer, void (*isr)(void *arg), void *arg, int reload);
+
+/* Stop timer;
+ *
+ * RETURNS: 0 on success, nonzero on argument error
+ */
+int      BSP_timer_stop(uint32_t timer);
+
+/* Start timer with 'period' (in ticks)
+ *
+ * RETURNS: 0 on success, nonzero on argument error
+ */
+int      BSP_timer_start(uint32_t timer, uint32_t period);
+
+/* read decrementing timer on the fly
+ *
+ * RETURNS: current count in ticks
+ */
+uint32_t BSP_timer_read(uint32_t timer);
+
+/* get clock rate in Hz */
+uint32_t BSP_timer_clock_get(uint32_t timer);
+
+/* Initialize timer facility -- to be used by BSP implementors only
+ *
+ * RETURNS: 0 on success, nonzero if ISR wrapper couldn't be installed
+ */
+int	BSP_timers_initialize(void);
+
+/* WATCHDOG TIMER (resets board if enabled and not 'petted' for
+ * some time).
+ */
+
+/* Enable watchdog and set a timeout (in us)
+ * RETURNS 0 on success
+ */
+int BSP_watchdog_enable(uint32_t timeout_us);
+
+/* Disable watchdog
+ * RETURNS 0 on success
+ */
+int BSP_watchdog_disable(void);
+
+/* Check status -- unfortunately there seems to be no way
+ * to read the running value...
+ *
+ * RETURNS nonzero if enabled/running, zero if disabled/stopped
+ */
+int BSP_watchdog_status(void);
+
+/* Pet the watchdog (rearm to configured timeout)
+ * RETURNS: 0 on success, nonzero on failure (watchdog
+ * currently not running).
+ */
+int BSP_watchdog_pet(void);
+
+
+#ifdef __cplusplus
+  }
+#endif
+
+#endif