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, 75 insertions, 0 deletions

diff --git a/bsps/powerpc/virtex/include/bsp/opbintctrl.h b/bsps/powerpc/virtex/include/bsp/opbintctrl.h
new file mode 100644
index 0000000000..4ade0e48f8
--- /dev/null
+++ b/bsps/powerpc/virtex/include/bsp/opbintctrl.h
@@ -0,0 +1,75 @@
+/*  opbintctrl.h
+ *
+ *  This file contains definitions and declarations for the
+ *  Xilinx Off Processor Bus (OPB) Interrupt Controller
+ *
+ *  Author: Keith Robertson <kjrobert@alumni.uwaterloo.ca>
+ *  COPYRIGHT (c) 2005 by Linn Products Ltd, Scotland
+ *
+ *  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 _INCLUDE_OPBINTCTRL_H
+#define _INCLUDE_OPBINTCTRL_H
+
+#include <rtems.h>
+#include <rtems/system.h>
+#include <rtems/score/isr.h>
+#include <rtems/irq.h>
+#include <bspopts.h>
+#include RTEMS_XPARAMETERS_H
+
+#define USE_GREG_INTERRUPTS
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+/* extern XIntc InterruptController;
+ */
+
+
+/* Maximum number of IRQs.  Defined in vhdl model */
+#define OPB_INTC_IRQ_MAX	  XPAR_INTC_MAX_NUM_INTR_INPUTS
+
+/* Width of INTC registers.  Defined in vhdl model */
+#define OPB_INTC_REGISTER_WIDTH   32
+
+/* Base Register address and register offsets.  Defined in vhdl model  */
+#define OPB_INTC_BASE		  XPAR_INTC_SINGLE_BASEADDR
+
+
+
+
+
+/* Interrupt Status Register */
+#define OPB_INTC_ISR		0x0
+/* Interrupt Pending Register (ISR && IER) */
+#define OPB_INTC_IPR		0x4
+/* Interrupt Enable Register */
+#define OPB_INTC_IER		0x8
+/* Interrupt Acknowledge Register */
+#define OPB_INTC_IAR		0xC
+/* Set Interrupt Enable (same as read/mask/write to IER) */
+#define OPB_INTC_SIE		0x10
+/* Clear Interrupt Enable (same as read/mask/write to IER) */
+#define OPB_INTC_CIE		0x14
+/* Interrupt Vector Address (highest priority vector number from IPR) */
+#define OPB_INTC_IVR		0x18
+/* Master Enable Register */
+#define OPB_INTC_MER		0x1C
+
+/* Master Enable Register: Hardware Interrupt Enable */
+#define OPB_INTC_MER_HIE	0x2
+
+/* Master Enable Register: Master IRQ Enable */
+#define OPB_INTC_MER_ME		0x1
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*  _INCLUDE_OPBINTCTRL_H */