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, 200 insertions, 0 deletions

diff --git a/cpukit/include/rtems/score/address.h b/cpukit/include/rtems/score/address.h
new file mode 100644
index 0000000000..8f38f7c2dc
--- /dev/null
+++ b/cpukit/include/rtems/score/address.h
@@ -0,0 +1,200 @@
+/**
+ *  @file  rtems/score/address.h
+ *
+ *  @brief Information Required to Manipulate Physical Addresses
+ *
+ *  This include file contains the information required to manipulate
+ *  physical addresses.
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2006.
+ *  On-Line Applications Research Corporation (OAR).
+ *
+ *  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_SCORE_ADDRESS_H
+#define _RTEMS_SCORE_ADDRESS_H
+
+#include <rtems/score/cpu.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ *  @defgroup ScoreAddress Address Handler
+ *
+ *  @ingroup Score
+ *
+ *  This handler encapsulates functionality which abstracts address
+ *  manipulation in a portable manner.
+ */
+/**@{*/
+
+/**
+ * @brief Add offset to an address.
+ *
+ * This function is used to add an @a offset to a @a base address.
+ * It returns the resulting address.  This address is typically
+ * converted to an access type before being used further.
+ *
+ * @param[in] base is the base address.
+ * @param[in] offset is the offset to add to @a base.
+ *
+ * @return This method returns the resulting address.
+ */
+RTEMS_INLINE_ROUTINE void *_Addresses_Add_offset (
+  const void *base,
+  uintptr_t   offset
+)
+{
+  return (void *)((uintptr_t)base + offset);
+}
+
+/**
+ * @brief Subtract offset from offset.
+ *
+ * This function is used to subtract an @a offset from a @a base
+ * address.  It returns the resulting address.  This address is
+ * typically converted to an access type before being used further.
+ *
+ * @param[in] base is the base address.
+ * @param[in] offset is the offset to subtract to @a base.
+ *
+ * @return This method returns the resulting address.
+ */
+
+RTEMS_INLINE_ROUTINE void *_Addresses_Subtract_offset (
+  const void *base,
+  uintptr_t   offset
+)
+{
+  return (void *)((uintptr_t)base - offset);
+}
+
+/**
+ * @brief Subtract two offsets.
+ *
+ * This function is used to subtract two addresses.  It returns the
+ * resulting offset.
+ *
+ * @param[in] left is the address on the left hand side of the subtraction.
+ * @param[in] right is the address on the right hand side of the subtraction.
+ *
+ * @return This method returns the resulting address.
+ *
+ * @note  The cast of an address to an uint32_t makes this code
+ *        dependent on an addresses being thirty two bits.
+ */
+RTEMS_INLINE_ROUTINE int32_t _Addresses_Subtract (
+  const void *left,
+  const void *right
+)
+{
+  return (int32_t) ((const char *) left - (const char *) right);
+}
+
+/**
+ * @brief Is address aligned.
+ *
+ * This function returns true if the given address is correctly
+ * aligned for this processor and false otherwise.  Proper alignment
+ * is based on correctness and efficiency.
+ *
+ * @param[in] address is the address being checked for alignment.
+ *
+ * @retval true The @a address is aligned.
+ * @retval false The @a address is not aligned.
+ */
+RTEMS_INLINE_ROUTINE bool _Addresses_Is_aligned (
+  const void *address
+)
+{
+#if (CPU_ALIGNMENT == 0)
+    return true;
+#else
+    return (((uintptr_t)address % CPU_ALIGNMENT) == 0);
+#endif
+}
+
+/**
+ * @brief Is address in range.
+ *
+ * This function returns true if the given address is within the
+ * memory range specified and false otherwise.  base is the address
+ * of the first byte in the memory range and limit is the address
+ * of the last byte in the memory range.  The base address is
+ * assumed to be lower than the limit address.
+ *
+ * @param[in] address is the address to check.
+ * @param[in] base is the lowest address of the range to check against.
+ * @param[in] limit is the highest address of the range to check against.
+ *
+ * @retval true The @a address is within the memory range specified
+ * @retval false The @a address is not within the memory range specified.
+ */
+RTEMS_INLINE_ROUTINE bool _Addresses_Is_in_range (
+  const void *address,
+  const void *base,
+  const void *limit
+)
+{
+  return (address >= base && address <= limit);
+}
+
+/**
+ * @brief Align address to nearest multiple of alignment, rounding up.
+ *
+ * This function returns the given address aligned to the given alignment.
+ * If the address already is aligned, or if alignment is 0, the address is
+ * returned as is. The returned address is greater than or equal to the
+ * given address.
+ *
+ * @param[in] address is the address to align.
+ * @param[in] alignment is the boundary for alignment and must be a power of 2
+ *
+ * @return Returns the aligned address.
+ */
+RTEMS_INLINE_ROUTINE void *_Addresses_Align_up(
+  void *address,
+  size_t alignment
+)
+{
+  uintptr_t mask = alignment - (uintptr_t)1;
+  return (void*)(((uintptr_t)address + mask) & ~mask);
+}
+
+/**
+ * @brief Align address to nearest multiple of alignment, truncating.
+ *
+ * This function returns the given address aligned to the given alignment.
+ * If the address already is aligned, or if alignment is 0, the address is
+ * returned as is. The returned address is less than or equal to the
+ * given address.
+ *
+ * @param[in] address is the address to align.
+ * @param[in] alignment is the boundary for alignment and must be a power of 2.
+ *
+ * @return Returns the aligned address.
+ */
+RTEMS_INLINE_ROUTINE void *_Addresses_Align_down(
+  void *address,
+  size_t alignment
+)
+{
+  uintptr_t mask = alignment - (uintptr_t)1;
+  return (void*)((uintptr_t)address & ~mask);
+}
+
+/**@}*/
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
+/* end of include file */