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, 182 insertions, 0 deletions

diff --git a/cpukit/include/rtems/score/corerwlockimpl.h b/cpukit/include/rtems/score/corerwlockimpl.h
new file mode 100644
index 0000000000..942e8c8d75
--- /dev/null
+++ b/cpukit/include/rtems/score/corerwlockimpl.h
@@ -0,0 +1,182 @@
+/**
+ * @file
+ *
+ * @brief Inlined Routines Associated with the SuperCore RWLock
+ *
+ * This include file contains all of the inlined routines associated
+ * with the SuperCore RWLock.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2008.
+ *  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.
+ */
+
+#ifndef _RTEMS_SCORE_CORERWLOCKIMPL_H
+#define _RTEMS_SCORE_CORERWLOCKIMPL_H
+
+#include <rtems/score/percpu.h>
+#include <rtems/score/status.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/threadqimpl.h>
+#include <rtems/score/watchdog.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup ScoreRWLock
+ */
+/**@{**/
+
+#define CORE_RWLOCK_TQ_OPERATIONS &_Thread_queue_Operations_FIFO
+
+/**
+ *  This is used to denote that a thread is blocking waiting for
+ *  read-only access to the RWLock.
+ */
+#define CORE_RWLOCK_THREAD_WAITING_FOR_READ  0
+
+/**
+ *  This is used to denote that a thread is blocking waiting for
+ *  write-exclusive access to the RWLock.
+ */
+#define CORE_RWLOCK_THREAD_WAITING_FOR_WRITE 1
+
+/**
+ *  RWLock State.
+ */
+typedef enum {
+  /** This indicates the the RWLock is not currently locked.
+   */
+  CORE_RWLOCK_UNLOCKED,
+  /** This indicates the the RWLock is currently locked for reading.
+   */
+  CORE_RWLOCK_LOCKED_FOR_READING,
+  /** This indicates the the RWLock is currently locked for reading.
+   */
+  CORE_RWLOCK_LOCKED_FOR_WRITING
+}   CORE_RWLock_States;
+
+/**
+ *  The following defines the control block used to manage each
+ *  RWLock.
+ */
+typedef struct {
+  /** This field is the Waiting Queue used to manage the set of tasks
+   *  which are blocked waiting for the RWLock to be released.
+   */
+  Thread_queue_Syslock_queue Queue;
+
+  /** This element is the current state of the RWLock.
+   */
+  CORE_RWLock_States current_state;
+
+  /** This element contains the current number of thread waiting for this
+   *  RWLock to be released. */
+  unsigned int number_of_readers;
+}   CORE_RWLock_Control;
+
+/**
+ *  @brief Initialize a RWlock.
+ *
+ *  This routine initializes the RWLock based on the parameters passed.
+ *
+ *  @param[in] the_rwlock is the RWLock to initialize
+ */
+void _CORE_RWLock_Initialize(
+  CORE_RWLock_Control *the_rwlock
+);
+
+RTEMS_INLINE_ROUTINE void _CORE_RWLock_Destroy(
+  CORE_RWLock_Control *the_rwlock
+)
+{
+  (void) the_rwlock;
+}
+
+RTEMS_INLINE_ROUTINE Thread_Control *_CORE_RWLock_Acquire(
+  CORE_RWLock_Control  *the_rwlock,
+  Thread_queue_Context *queue_context
+)
+{
+  ISR_Level       level;
+  Thread_Control *executing;
+
+  _Thread_queue_Context_ISR_disable( queue_context, level );
+  _Thread_queue_Context_set_ISR_level( queue_context, level );
+  executing = _Thread_Executing;
+  _Thread_queue_Queue_acquire_critical(
+    &the_rwlock->Queue.Queue,
+    &executing->Potpourri_stats,
+    &queue_context->Lock_context.Lock_context
+  );
+
+  return executing;
+}
+
+RTEMS_INLINE_ROUTINE void _CORE_RWLock_Release(
+  CORE_RWLock_Control  *the_rwlock,
+  Thread_queue_Context *queue_context
+)
+{
+  _Thread_queue_Queue_release(
+    &the_rwlock->Queue.Queue,
+    &queue_context->Lock_context.Lock_context
+  );
+}
+
+/**
+ *  @brief Obtain RWLock for reading.
+ *
+ *  This routine attempts to obtain the RWLock for read access.
+ *
+ *  @param[in] the_rwlock is the RWLock to wait for
+ *  @param[in] wait is true if the calling thread is willing to wait
+ */
+
+Status_Control _CORE_RWLock_Seize_for_reading(
+  CORE_RWLock_Control  *the_rwlock,
+  bool                  wait,
+  Thread_queue_Context *queue_context
+);
+
+/**
+ *  @brief Obtain RWLock for writing.
+ *
+ *  This routine attempts to obtain the RWLock for write exclusive access.
+ *
+ *  @param[in] the_rwlock is the RWLock to wait for
+ *  @param[in] wait is true if the calling thread is willing to wait
+ */
+Status_Control _CORE_RWLock_Seize_for_writing(
+  CORE_RWLock_Control  *the_rwlock,
+  bool                  wait,
+  Thread_queue_Context *queue_context
+);
+
+/**
+ *  @brief Release the RWLock.
+ *
+ *  This routine manually releases @a the_rwlock.  All of the threads waiting
+ *  for the RWLock will be readied.
+ *
+ *  @param[in] the_rwlock is the RWLock to surrender
+ *
+ *  @retval Status is returned to indicate successful or failure.
+ */
+Status_Control _CORE_RWLock_Surrender( CORE_RWLock_Control *the_rwlock );
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */