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, 125 insertions, 0 deletions

diff --git a/bsps/powerpc/qoriq/include/bsp/intercom.h b/bsps/powerpc/qoriq/include/bsp/intercom.h
new file mode 100644
index 0000000000..39b2ba938e
--- /dev/null
+++ b/bsps/powerpc/qoriq/include/bsp/intercom.h
@@ -0,0 +1,125 @@
+/**
+ * @file
+ *
+ * @ingroup QorIQInterCom
+ *
+ * @brief Inter-Processor Communication API.
+ */
+
+/*
+ * Copyright (c) 2011 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Obere Lagerstr. 30
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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 LIBBSP_POWERPC_QORIQ_INTERCOM_H
+#define LIBBSP_POWERPC_QORIQ_INTERCOM_H
+
+#include <rtems.h>
+#include <rtems/chain.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @defgroup QorIQInterCom QorIQ - Inter-Processor Communication Support
+ *
+ * @ingroup QorIQ
+ *
+ * @brief Inter-processor communication support.
+ *
+ * @{
+ */
+
+uint32_t qoriq_spin_lock(uint32_t *lock);
+
+void qoriq_spin_unlock(uint32_t *lock, uint32_t msr);
+
+#define INTERCOM_CORE_COUNT 2
+
+#define INTERCOM_SERVICE_COUNT 8
+
+typedef enum {
+	INTERCOM_TYPE_MPCI,
+	INTERCOM_TYPE_UART_0,
+	INTERCOM_TYPE_UART_1,
+	INTERCOM_TYPE_NETWORK,
+	INTERCOM_TYPE_CUSTOM_0,
+	INTERCOM_TYPE_CUSTOM_1,
+	INTERCOM_TYPE_CUSTOM_2,
+	INTERCOM_TYPE_CUSTOM_3,
+	INTERCOM_TYPE_CUSTOM_4
+} intercom_type;
+
+typedef enum {
+	INTERCOM_SIZE_64 = 0,
+	INTERCOM_SIZE_512,
+	INTERCOM_SIZE_2K,
+	INTERCOM_SIZE_4K
+} intercom_size;
+
+typedef struct intercom_packet {
+	union {
+		struct intercom_packet *next;
+		rtems_chain_node node;
+	} glue;
+	intercom_type type_index;
+	intercom_size size_index;
+	uint32_t flags;
+	size_t size;
+	uint32_t cache_line_alignment [2];
+	char data [];
+} intercom_packet;
+
+typedef void (*intercom_service)(intercom_packet *packet, void *arg);
+
+void qoriq_intercom_init(void);
+
+void qoriq_intercom_start(void);
+
+void qoriq_intercom_service_install(intercom_type type, intercom_service service, void *arg);
+
+void qoriq_intercom_service_remove(intercom_type type);
+
+intercom_packet *qoriq_intercom_allocate_packet(intercom_type type, intercom_size size);
+
+void qoriq_intercom_send_packets(int destination_core, intercom_packet *first, intercom_packet *last);
+
+static inline void qoriq_intercom_send_packet(int destination_core, intercom_packet *packet)
+{
+	qoriq_intercom_send_packets(destination_core, packet, packet);
+}
+
+void qoriq_intercom_broadcast_packets(intercom_packet *first, intercom_packet *last);
+
+static inline void qoriq_intercom_broadcast_packet(intercom_packet *packet)
+{
+	qoriq_intercom_broadcast_packets(packet, packet);
+}
+
+void qoriq_intercom_send(int destination_core, intercom_type type, intercom_size size, const void *buf, size_t n);
+
+void qoriq_intercom_free_packet(intercom_packet *packet);
+
+intercom_packet *qoriq_intercom_clone_packet(const intercom_packet *packet);
+
+#ifdef RTEMS_MULTIPROCESSING
+  extern rtems_mpci_table qoriq_intercom_mpci;
+#endif
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_POWERPC_QORIQ_INTERCOM_H */