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, 57 insertions, 0 deletions

diff --git a/bsps/arm/include/bsp/arm-pl050-regs.h b/bsps/arm/include/bsp/arm-pl050-regs.h
new file mode 100644
index 0000000000..f90aeb6cf9
--- /dev/null
+++ b/bsps/arm/include/bsp/arm-pl050-regs.h
@@ -0,0 +1,57 @@
+/**
+ *  @file
+ *
+ *  @ingroup arm_shared
+ *
+ *  @brief ARM PL050 Register Definitions
+ */
+
+/*
+ * Copyright (c) 2013 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 LIBBSP_ARM_SHARED_ARM_PL050_REGS_H
+#define LIBBSP_ARM_SHARED_ARM_PL050_REGS_H
+
+#include <bsp/utility.h>
+
+typedef struct {
+	uint32_t kmicr;
+#define PL050_KMICR_KMITYPE BSP_BIT32(5)
+#define PL050_KMICR_KMIRXINTREN BSP_BIT32(4)
+#define PL050_KMICR_KMITXINTREN BSP_BIT32(3)
+#define PL050_KMICR_KMIEN BSP_BIT32(2)
+#define PL050_KMICR_FKMID BSP_BIT32(1)
+#define PL050_KMICR_FKMIC BSP_BIT32(0)
+	uint32_t kmistat;
+#define PL050_KMISTAT_TXEMPTY BSP_BIT32(6)
+#define PL050_KMISTAT_TXBUSY BSP_BIT32(5)
+#define PL050_KMISTAT_RXFULL BSP_BIT32(4)
+#define PL050_KMISTAT_RXBUSY BSP_BIT32(3)
+#define PL050_KMISTAT_RXPARITY BSP_BIT32(2)
+#define PL050_KMISTAT_KMIC BSP_BIT32(1)
+#define PL050_KMISTAT_KMID BSP_BIT32(0)
+	uint32_t kmidata;
+#define PL050_KMIDATA_KMIDATA(val) BSP_FLD32(val, 0, 7)
+#define PL050_KMIDATA_KMIDATA_GET(reg) BSP_FLD32GET(reg, 0, 7)
+#define PL050_KMIDATA_KMIDATA_SET(reg, val) BSP_FLD32SET(reg, val, 0, 7)
+	uint32_t kmiclkdiv;
+#define PL050_KMICLKDIV_KMICLKDIV(val) BSP_FLD32(val, 0, 3)
+#define PL050_KMICLKDIV_KMICLKDIV_GET(reg) BSP_FLD32GET(reg, 0, 3)
+#define PL050_KMICLKDIV_KMICLKDIV_SET(reg, val) BSP_FLD32SET(reg, val, 0, 3)
+	uint32_t kmiir;
+#define PL050_KMIIR_KMITXINTR BSP_BIT32(1)
+#define PL050_KMIIR_KMIRXINTR BSP_BIT32(0)
+} pl050;
+
+#endif /* LIBBSP_ARM_SHARED_ARM_PL050_REGS_H */