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, 103 insertions, 0 deletions

diff --git a/bsps/arm/include/bsp/arm-gic-tm27.h b/bsps/arm/include/bsp/arm-gic-tm27.h
new file mode 100644
index 0000000000..95f3077716
--- /dev/null
+++ b/bsps/arm/include/bsp/arm-gic-tm27.h
@@ -0,0 +1,103 @@
+/**
+ *  @file
+ *
+ *  @ingroup arm_gic
+ *
+ *  @brief ARM GIC TM27 Support
+ */
+
+/*
+ * Copyright (c) 2013-2014 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <info@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 _RTEMS_TMTEST27
+#error "This is an RTEMS internal file you must not include directly."
+#endif
+
+#ifndef LIBBSP_ARM_SHARED_ARM_GIC_TM27_H
+#define LIBBSP_ARM_SHARED_ARM_GIC_TM27_H
+
+#include <assert.h>
+
+#include <bsp.h>
+#include <bsp/irq.h>
+
+#define MUST_WAIT_FOR_INTERRUPT 1
+
+#define ARM_GIC_TM27_IRQ_LOW ARM_GIC_IRQ_SGI_12
+
+#define ARM_GIC_TM27_IRQ_HIGH ARM_GIC_IRQ_SGI_13
+
+#define ARM_GIC_TM27_PRIO_LOW 0x80
+
+#define ARM_GIC_TM27_PRIO_HIGH 0x00
+
+static inline void Install_tm27_vector(void (*handler)(rtems_vector_number))
+{
+  rtems_status_code sc = rtems_interrupt_handler_install(
+    ARM_GIC_TM27_IRQ_LOW,
+    "tm27 low",
+    RTEMS_INTERRUPT_UNIQUE,
+    (rtems_interrupt_handler) handler,
+    NULL
+  );
+  assert(sc == RTEMS_SUCCESSFUL);
+
+  sc = arm_gic_irq_set_priority(
+    ARM_GIC_TM27_IRQ_LOW,
+    ARM_GIC_TM27_PRIO_LOW
+  );
+  assert(sc == RTEMS_SUCCESSFUL);
+
+  sc = rtems_interrupt_handler_install(
+    ARM_GIC_TM27_IRQ_HIGH,
+    "tm27 high",
+    RTEMS_INTERRUPT_UNIQUE,
+    (rtems_interrupt_handler) handler,
+    NULL
+  );
+  assert(sc == RTEMS_SUCCESSFUL);
+
+  sc = arm_gic_irq_set_priority(
+    ARM_GIC_TM27_IRQ_HIGH,
+    ARM_GIC_TM27_PRIO_HIGH
+  );
+  assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static inline void Cause_tm27_intr(void)
+{
+  rtems_status_code sc = arm_gic_irq_generate_software_irq(
+    ARM_GIC_TM27_IRQ_LOW,
+    ARM_GIC_IRQ_SOFTWARE_IRQ_TO_SELF,
+    0
+  );
+  assert(sc == RTEMS_SUCCESSFUL);
+}
+
+static inline void Clear_tm27_intr(void)
+{
+  /* Nothing to do */
+}
+
+static inline void Lower_tm27_intr(void)
+{
+  rtems_status_code sc = arm_gic_irq_generate_software_irq(
+    ARM_GIC_TM27_IRQ_HIGH,
+    ARM_GIC_IRQ_SOFTWARE_IRQ_TO_SELF,
+    0
+  );
+  assert(sc == RTEMS_SUCCESSFUL);
+}
+
+#endif /* LIBBSP_ARM_SHARED_ARM_GIC_TM27_H */