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, 79 insertions, 0 deletions

diff --git a/bsps/mips/hurricane/include/bsp.h b/bsps/mips/hurricane/include/bsp.h
new file mode 100644
index 0000000000..1c9dc652f0
--- /dev/null
+++ b/bsps/mips/hurricane/include/bsp.h
@@ -0,0 +1,79 @@
+/**
+ *  @file
+ */
+
+/*
+ *  COPYRIGHT (c) 1989-2012.
+ *  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 LIBBSP_MIPS_HURRICANE_BSP_H
+#define LIBBSP_MIPS_HURRICANE_BSP_H
+
+#ifndef ASM
+
+#include <bspopts.h>
+#include <bsp/default-initial-extension.h>
+
+#include <rtems.h>
+#include <libcpu/rm5231.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern void WriteDisplay( char * string );
+
+extern uint32_t mips_get_timer( void );
+
+#define BSP_FEATURE_IRQ_EXTENSION
+#define BSP_SHARED_HANDLER_SUPPORT      1
+
+#define CPU_CLOCK_RATE_MHZ     (200)
+#define CLOCKS_PER_MICROSECOND ( CPU_CLOCK_RATE_MHZ ) /* equivalent to CPU clock speed in MHz */
+
+/*
+ *  Simple spin delay in microsecond units for device drivers.
+ *  This is very dependent on the clock speed of the target.
+ *
+ *  NOTE: This macro generates a warning like "integer constant out
+ *        of range" which is safe to ignore.  In 64 bit mode, unsigned32
+ *        types are actually 64 bits long so that comparisons between
+ *        unsigned32 types and pointers are valid.  The warning is caused
+ *        by code in the delay macro that is necessary for 64 bit mode.
+ */
+
+#define rtems_bsp_delay( microseconds ) \
+  { \
+     uint32_t _end_clock = \
+          mips_get_timer() + microseconds * CLOCKS_PER_MICROSECOND; \
+     _end_clock %= 0x100000000;  /* make sure result is 32 bits */ \
+     \
+     /* handle timer overflow, if necessary */ \
+     while ( _end_clock < mips_get_timer() );  \
+     \
+     while ( _end_clock > mips_get_timer() ); \
+  }
+
+/* Constants */
+
+#define RAM_START 0
+#define RAM_END   0x100000
+
+/*
+ * Prototypes for methods called from .S for dependency tracking
+ */
+void init_tlb(void);
+void resettlb(int i);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* !ASM */
+
+#endif	/* __HURRICANE_BSP_h */