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, 207 insertions, 0 deletions

diff --git a/cpukit/include/rtems/score/coresemimpl.h b/cpukit/include/rtems/score/coresemimpl.h
new file mode 100644
index 0000000000..00f77e61dd
--- /dev/null
+++ b/cpukit/include/rtems/score/coresemimpl.h
@@ -0,0 +1,207 @@
+/**
+ * @file
+ *
+ * @brief Inlined Routines Associated with the SuperCore Semaphore
+ *
+ * This include file contains all of the inlined routines associated
+ * with the SuperCore semaphore.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2006.
+ *  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_CORESEMIMPL_H
+#define _RTEMS_SCORE_CORESEMIMPL_H
+
+#include <rtems/score/coresem.h>
+#include <rtems/score/objectimpl.h>
+#include <rtems/score/threaddispatch.h>
+#include <rtems/score/threadimpl.h>
+#include <rtems/score/threadqimpl.h>
+#include <rtems/score/statesimpl.h>
+#include <rtems/score/status.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @addtogroup ScoreSemaphore
+ */
+/**@{**/
+
+/**
+ *  @brief Initialize the semaphore based on the parameters passed.
+ *
+ *  This package is the implementation of the CORE Semaphore Handler.
+ *  This core object utilizes standard Dijkstra counting semaphores to provide
+ *  synchronization and mutual exclusion capabilities.
+ *
+ *  This routine initializes the semaphore based on the parameters passed.
+ *
+ *  @param[in] the_semaphore is the semaphore to initialize
+ *  @param[in] initial_value is the initial count of the semaphore
+ */
+void _CORE_semaphore_Initialize(
+  CORE_semaphore_Control *the_semaphore,
+  uint32_t                initial_value
+);
+
+RTEMS_INLINE_ROUTINE void _CORE_semaphore_Acquire_critical(
+  CORE_semaphore_Control *the_semaphore,
+  Thread_queue_Context   *queue_context
+)
+{
+  _Thread_queue_Acquire_critical( &the_semaphore->Wait_queue, queue_context );
+}
+
+RTEMS_INLINE_ROUTINE void _CORE_semaphore_Release(
+  CORE_semaphore_Control *the_semaphore,
+  Thread_queue_Context   *queue_context
+)
+{
+  _Thread_queue_Release( &the_semaphore->Wait_queue, queue_context );
+}
+
+RTEMS_INLINE_ROUTINE void _CORE_semaphore_Destroy(
+  CORE_semaphore_Control        *the_semaphore,
+  const Thread_queue_Operations *operations,
+  Thread_queue_Context          *queue_context
+)
+{
+  _Thread_queue_Flush_critical(
+    &the_semaphore->Wait_queue.Queue,
+    operations,
+    _Thread_queue_Flush_status_object_was_deleted,
+    queue_context
+  );
+  _Thread_queue_Destroy( &the_semaphore->Wait_queue );
+}
+
+/**
+ *  @brief Surrender a unit to a semaphore.
+ *
+ *  This routine frees a unit to the semaphore.  If a task was blocked waiting
+ *  for a unit from this semaphore, then that task will be readied and the unit
+ *  given to that task.  Otherwise, the unit will be returned to the semaphore.
+ *
+ *  @param[in] the_semaphore is the semaphore to surrender
+ *  @param[in] operations The thread queue operations.
+ *  @param[in] queue_context is a temporary variable used to contain the ISR
+ *        disable level cookie
+ *
+ *  @retval an indication of whether the routine succeeded or failed
+ */
+RTEMS_INLINE_ROUTINE Status_Control _CORE_semaphore_Surrender(
+  CORE_semaphore_Control        *the_semaphore,
+  const Thread_queue_Operations *operations,
+  uint32_t                       maximum_count,
+  Thread_queue_Context          *queue_context
+)
+{
+  Thread_Control *the_thread;
+  Status_Control  status;
+
+  status = STATUS_SUCCESSFUL;
+
+  _CORE_semaphore_Acquire_critical( the_semaphore, queue_context );
+
+  the_thread = _Thread_queue_First_locked(
+    &the_semaphore->Wait_queue,
+    operations
+  );
+  if ( the_thread != NULL ) {
+    _Thread_queue_Extract_critical(
+      &the_semaphore->Wait_queue.Queue,
+      operations,
+      the_thread,
+      queue_context
+    );
+  } else {
+    if ( the_semaphore->count < maximum_count )
+      the_semaphore->count += 1;
+    else
+      status = STATUS_MAXIMUM_COUNT_EXCEEDED;
+
+    _CORE_semaphore_Release( the_semaphore, queue_context );
+  }
+
+  return status;
+}
+
+/**
+ * This routine returns the current count associated with the semaphore.
+ *
+ * @param[in] the_semaphore is the semaphore to obtain the count of
+ *
+ * @return the current count of this semaphore
+ */
+RTEMS_INLINE_ROUTINE uint32_t  _CORE_semaphore_Get_count(
+  const CORE_semaphore_Control *the_semaphore
+)
+{
+  return the_semaphore->count;
+}
+
+/**
+ * This routine attempts to receive a unit from the_semaphore.
+ * If a unit is available or if the wait flag is false, then the routine
+ * returns.  Otherwise, the calling task is blocked until a unit becomes
+ * available.
+ *
+ * @param[in] the_semaphore is the semaphore to obtain
+ * @param[in] operations The thread queue operations.
+ * @param[in] executing The currently executing thread.
+ * @param[in] wait is true if the thread is willing to wait
+ * @param[in] queue_context is a temporary variable used to contain the ISR
+ *        disable level cookie
+ */
+RTEMS_INLINE_ROUTINE Status_Control _CORE_semaphore_Seize(
+  CORE_semaphore_Control        *the_semaphore,
+  const Thread_queue_Operations *operations,
+  Thread_Control                *executing,
+  bool                           wait,
+  Thread_queue_Context          *queue_context
+)
+{
+  _Assert( _ISR_Get_level() != 0 );
+
+  _CORE_semaphore_Acquire_critical( the_semaphore, queue_context );
+  if ( the_semaphore->count != 0 ) {
+    the_semaphore->count -= 1;
+    _CORE_semaphore_Release( the_semaphore, queue_context );
+    return STATUS_SUCCESSFUL;
+  }
+
+  if ( !wait ) {
+    _CORE_semaphore_Release( the_semaphore, queue_context );
+    return STATUS_UNSATISFIED;
+  }
+
+  _Thread_queue_Context_set_thread_state(
+    queue_context,
+    STATES_WAITING_FOR_SEMAPHORE
+  );
+  _Thread_queue_Enqueue(
+    &the_semaphore->Wait_queue.Queue,
+    operations,
+    executing,
+    queue_context
+  );
+  return _Thread_Wait_get_status( executing );
+}
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */