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, 209 insertions, 0 deletions

diff --git a/cpukit/include/rtems/rtems/timerimpl.h b/cpukit/include/rtems/rtems/timerimpl.h
new file mode 100644
index 0000000000..d8581bfcd8
--- /dev/null
+++ b/cpukit/include/rtems/rtems/timerimpl.h
@@ -0,0 +1,209 @@
+/**
+ * @file
+ *
+ * @ingroup ClassicTimerImpl
+ *
+ * @brief Classic Timer Implementation
+ */
+
+/*
+ * COPYRIGHT (c) 1989-2011.
+ * On-Line Applications Research Corporation (OAR).
+ *
+ * Copyright (c) 2016 embedded brains GmbH.
+ *
+ * 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_RTEMS_TIMER_INL
+#define _RTEMS_RTEMS_TIMER_INL
+
+#include <rtems/rtems/timer.h>
+#include <rtems/score/objectimpl.h>
+#include <rtems/score/thread.h>
+#include <rtems/score/watchdogimpl.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * @defgroup ClassicTimerImpl Classic Timer Implementation
+ *
+ * @ingroup ClassicTimer
+ *
+ * @{
+ */
+
+typedef struct Timer_server_Control {
+  ISR_LOCK_MEMBER( Lock )
+
+  Chain_Control Pending;
+
+  Objects_Id server_id;
+} Timer_server_Control;
+
+/**
+ * @brief Pointer to default timer server control block.
+ *
+ * This value is @c NULL when the default timer server is not initialized.
+ */
+extern Timer_server_Control *volatile _Timer_server;
+
+/**
+ *  The following defines the information control block used to manage
+ *  this class of objects.
+ */
+extern Objects_Information  _Timer_Information;
+
+/**
+ *  @brief Timer_Allocate
+ *
+ *  This function allocates a timer control block from
+ *  the inactive chain of free timer control blocks.
+ */
+RTEMS_INLINE_ROUTINE Timer_Control *_Timer_Allocate( void )
+{
+  return (Timer_Control *) _Objects_Allocate( &_Timer_Information );
+}
+
+/**
+ *  @brief Timer_Free
+ *
+ *  This routine frees a timer control block to the
+ *  inactive chain of free timer control blocks.
+ */
+RTEMS_INLINE_ROUTINE void _Timer_Free (
+  Timer_Control *the_timer
+)
+{
+  _Objects_Free( &_Timer_Information, &the_timer->Object );
+}
+
+RTEMS_INLINE_ROUTINE Timer_Control *_Timer_Get(
+  Objects_Id         id,
+  ISR_lock_Context  *lock_context
+)
+{
+  return (Timer_Control *) _Objects_Get(
+    id,
+    lock_context,
+    &_Timer_Information
+  );
+}
+
+RTEMS_INLINE_ROUTINE Per_CPU_Control *_Timer_Acquire_critical(
+  Timer_Control    *the_timer,
+  ISR_lock_Context *lock_context
+)
+{
+  Per_CPU_Control *cpu;
+
+  cpu = _Watchdog_Get_CPU( &the_timer->Ticker );
+  _Watchdog_Per_CPU_acquire_critical( cpu, lock_context );
+
+  return cpu;
+}
+
+RTEMS_INLINE_ROUTINE void _Timer_Release(
+  Per_CPU_Control  *cpu,
+  ISR_lock_Context *lock_context
+)
+{
+  _Watchdog_Per_CPU_release_critical( cpu, lock_context );
+  _ISR_lock_ISR_enable( lock_context );
+}
+
+RTEMS_INLINE_ROUTINE bool _Timer_Is_interval_class(
+  Timer_Classes the_class
+)
+{
+  Timer_Classes mask =
+    TIMER_CLASS_BIT_NOT_DORMANT | TIMER_CLASS_BIT_TIME_OF_DAY;
+
+  return ( the_class & mask ) == TIMER_CLASS_BIT_NOT_DORMANT;
+}
+
+RTEMS_INLINE_ROUTINE bool _Timer_Is_on_task_class(
+  Timer_Classes the_class
+)
+{
+  Timer_Classes mask =
+    TIMER_CLASS_BIT_NOT_DORMANT | TIMER_CLASS_BIT_ON_TASK;
+
+  return ( the_class & mask ) == mask;
+}
+
+RTEMS_INLINE_ROUTINE Per_CPU_Watchdog_index _Timer_Watchdog_header_index(
+  Timer_Classes the_class
+)
+{
+  return ( the_class & TIMER_CLASS_BIT_TIME_OF_DAY );
+}
+
+RTEMS_INLINE_ROUTINE Watchdog_Interval _Timer_Get_CPU_ticks(
+  const Per_CPU_Control *cpu
+)
+{
+  return (Watchdog_Interval) cpu->Watchdog.ticks;
+}
+
+rtems_status_code _Timer_Fire(
+  rtems_id                           id,
+  rtems_interval                     interval,
+  rtems_timer_service_routine_entry  routine,
+  void                              *user_data,
+  Timer_Classes                      the_class,
+  Watchdog_Service_routine_entry     adaptor
+);
+
+rtems_status_code _Timer_Fire_after(
+  rtems_id                           id,
+  rtems_interval                     ticks,
+  rtems_timer_service_routine_entry  routine,
+  void                              *user_data,
+  Timer_Classes                      the_class,
+  Watchdog_Service_routine_entry     adaptor
+);
+
+rtems_status_code _Timer_Fire_when(
+  rtems_id                           id,
+  const rtems_time_of_day           *wall_time,
+  rtems_timer_service_routine_entry  routine,
+  void                              *user_data,
+  Timer_Classes                      the_class,
+  Watchdog_Service_routine_entry     adaptor
+);
+
+void _Timer_Cancel( Per_CPU_Control *cpu, Timer_Control *the_timer );
+
+void _Timer_Routine_adaptor( Watchdog_Control *the_watchdog );
+
+void _Timer_server_Routine_adaptor( Watchdog_Control *the_watchdog );
+
+RTEMS_INLINE_ROUTINE void _Timer_server_Acquire_critical(
+  Timer_server_Control *timer_server,
+  ISR_lock_Context     *lock_context
+)
+{
+  _ISR_lock_Acquire( &timer_server->Lock, lock_context );
+}
+
+RTEMS_INLINE_ROUTINE void _Timer_server_Release_critical(
+  Timer_server_Control *timer_server,
+  ISR_lock_Context     *lock_context
+)
+{
+  _ISR_lock_Release( &timer_server->Lock, lock_context );
+}
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */