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, 156 insertions, 0 deletions

diff --git a/bsps/include/bsp/utility.h b/bsps/include/bsp/utility.h
new file mode 100644
index 0000000000..fee28f445a
--- /dev/null
+++ b/bsps/include/bsp/utility.h
@@ -0,0 +1,156 @@
+/**
+ * @file
+ *
+ * @ingroup bsp_kit
+ *
+ * @brief Utility macros.
+ */
+
+/*
+ * Copyright (c) 2008-2011 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 LIBCPU_SHARED_UTILITY_H
+#define LIBCPU_SHARED_UTILITY_H
+
+#include <stdint.h>
+
+#define BSP_BIT8(bit) \
+  ((uint8_t) (((unsigned int) 1) << (bit)))
+
+#define BSP_MSK8(first_bit, last_bit) \
+  ((uint8_t) ((BSP_BIT8((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
+
+#define BSP_FLD8(val, first_bit, last_bit) \
+  ((uint8_t) \
+    ((((unsigned int) (val)) << (first_bit)) & BSP_MSK8(first_bit, last_bit)))
+
+#define BSP_FLD8GET(reg, first_bit, last_bit) \
+  ((uint8_t) (((reg) & BSP_MSK8(first_bit, last_bit)) >> (first_bit)))
+
+#define BSP_FLD8SET(reg, val, first_bit, last_bit) \
+  ((uint8_t) (((reg) & ~BSP_MSK8(first_bit, last_bit)) \
+    | BSP_FLD8(val, first_bit, last_bit)))
+
+#define BSP_BIT16(bit) \
+  ((uint16_t) (((unsigned int) 1) << (bit)))
+
+#define BSP_MSK16(first_bit, last_bit) \
+  ((uint16_t) ((BSP_BIT16((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
+
+#define BSP_FLD16(val, first_bit, last_bit) \
+  ((uint16_t) \
+    ((((unsigned int) (val)) << (first_bit)) & BSP_MSK16(first_bit, last_bit)))
+
+#define BSP_FLD16GET(reg, first_bit, last_bit) \
+  ((uint16_t) (((reg) & BSP_MSK16(first_bit, last_bit)) >> (first_bit)))
+
+#define BSP_FLD16SET(reg, val, first_bit, last_bit) \
+  ((uint16_t) (((reg) & ~BSP_MSK16(first_bit, last_bit)) \
+    | BSP_FLD16(val, first_bit, last_bit)))
+
+#define BSP_BIT32(bit) \
+  ((uint32_t) (((uint32_t) 1) << (bit)))
+
+#define BSP_MSK32(first_bit, last_bit) \
+  ((uint32_t) ((BSP_BIT32((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
+
+#define BSP_FLD32(val, first_bit, last_bit) \
+  ((uint32_t) \
+    ((((uint32_t) (val)) << (first_bit)) & BSP_MSK32(first_bit, last_bit)))
+
+#define BSP_FLD32GET(reg, first_bit, last_bit) \
+  ((uint32_t) (((reg) & BSP_MSK32(first_bit, last_bit)) >> (first_bit)))
+
+#define BSP_FLD32SET(reg, val, first_bit, last_bit) \
+  ((uint32_t) (((reg) & ~BSP_MSK32(first_bit, last_bit)) \
+    | BSP_FLD32(val, first_bit, last_bit)))
+
+#define BSP_BIT64(bit) \
+  ((uint64_t) (((uint64_t) 1) << (bit)))
+
+#define BSP_MSK64(first_bit, last_bit) \
+  ((uint64_t) ((BSP_BIT64((last_bit) - (first_bit) + 1) - 1) << (first_bit)))
+
+#define BSP_FLD64(val, first_bit, last_bit) \
+  ((uint64_t) \
+    ((((uint64_t) (val)) << (first_bit)) & BSP_MSK64(first_bit, last_bit)))
+
+#define BSP_FLD64GET(reg, first_bit, last_bit) \
+  ((uint64_t) (((reg) & BSP_MSK64(first_bit, last_bit)) >> (first_bit)))
+
+#define BSP_FLD64SET(reg, val, first_bit, last_bit) \
+  ((uint64_t) (((reg) & ~BSP_MSK64(first_bit, last_bit)) \
+    | BSP_FLD64(val, first_bit, last_bit)))
+
+#define BSP_BBIT8(bit) \
+  BSP_BIT8(7 - (bit))
+
+#define BSP_BMSK8(first_bit, last_bit) \
+  BSP_MSK8(7 - (last_bit), 7 - (first_bit))
+
+#define BSP_BFLD8(val, first_bit, last_bit) \
+  BSP_FLD8(val, 7 - (last_bit), 7 - (first_bit))
+
+#define BSP_BFLD8GET(reg, first_bit, last_bit) \
+  BSP_FLD8GET(reg, 7 - (last_bit), 7 - (first_bit))
+
+#define BSP_BFLD8SET(reg, val, first_bit, last_bit) \
+  BSP_FLD8SET(reg, val, 7 - (last_bit), 7 - (first_bit))
+
+#define BSP_BBIT16(bit) \
+  BSP_BIT16(15 - (bit))
+
+#define BSP_BMSK16(first_bit, last_bit) \
+  BSP_MSK16(15 - (last_bit), 15 - (first_bit))
+
+#define BSP_BFLD16(val, first_bit, last_bit) \
+  BSP_FLD16(val, 15 - (last_bit), 15 - (first_bit))
+
+#define BSP_BFLD16GET(reg, first_bit, last_bit) \
+  BSP_FLD16GET(reg, 15 - (last_bit), 15 - (first_bit))
+
+#define BSP_BFLD16SET(reg, val, first_bit, last_bit) \
+  BSP_FLD16SET(reg, val, 15 - (last_bit), 15 - (first_bit))
+
+#define BSP_BBIT32(bit) \
+  BSP_BIT32(31 - (bit))
+
+#define BSP_BMSK32(first_bit, last_bit) \
+  BSP_MSK32(31 - (last_bit), 31 - (first_bit))
+
+#define BSP_BFLD32(val, first_bit, last_bit) \
+  BSP_FLD32(val, 31 - (last_bit), 31 - (first_bit))
+
+#define BSP_BFLD32GET(reg, first_bit, last_bit) \
+  BSP_FLD32GET(reg, 31 - (last_bit), 31 - (first_bit))
+
+#define BSP_BFLD32SET(reg, val, first_bit, last_bit) \
+  BSP_FLD32SET(reg, val, 31 - (last_bit), 31 - (first_bit))
+
+#define BSP_BBIT64(bit) \
+  BSP_BIT64(63 - (bit))
+
+#define BSP_BMSK64(first_bit, last_bit) \
+  BSP_MSK64(63 - (last_bit), 63 - (first_bit))
+
+#define BSP_BFLD64(val, first_bit, last_bit) \
+  BSP_FLD64(val, 63 - (last_bit), 63 - (first_bit))
+
+#define BSP_BFLD64GET(reg, first_bit, last_bit) \
+  BSP_FLD64GET(reg, 63 - (last_bit), 63 - (first_bit))
+
+#define BSP_BFLD64SET(reg, val, first_bit, last_bit) \
+  BSP_FLD64SET(reg, val, 63 - (last_bit), 63 - (first_bit))
+
+#endif /* LIBCPU_SHARED_UTILITY_H */