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, 72 insertions, 0 deletions

diff --git a/cpukit/score/cpu/i386/include/rtems/score/registers.h b/cpukit/score/cpu/i386/include/rtems/score/registers.h
new file mode 100644
index 0000000000..254fef701b
--- /dev/null
+++ b/cpukit/score/cpu/i386/include/rtems/score/registers.h
@@ -0,0 +1,72 @@
+/**
+ * @file
+ * 
+ * @brief Intel CPU Constants and Definitions
+ * 
+ * This file contains definition and constants related to Intel Cpu
+ */
+
+/*
+ *  COPYRIGHT (c) 1998 valette@crf.canon.fr
+ *
+ *  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_REGISTERS_H
+#define _RTEMS_SCORE_REGISTERS_H
+
+/*
+ * definition related to EFLAGS
+ */
+#define EFLAGS_CARRY			0x1
+#define EFLAGS_PARITY			0x4
+
+#define EFLAGS_AUX_CARRY		0x10
+#define EFLAGS_ZERO			0x40
+#define EFLAGS_SIGN			0x80
+
+#define EFLAGS_TRAP			0x100
+#define EFLAGS_INTR_ENABLE		0x200
+#define EFLAGS_DIRECTION		0x400
+#define EFLAGS_OVERFLOW			0x800
+
+#define	EFLAGS_IOPL_MASK		0x3000
+#define EFLAGS_NESTED_TASK		0x8000
+
+#define EFLAGS_RESUME			0x10000
+#define EFLAGS_VIRTUAL_MODE		0x20000
+#define EFLAGS_ALIGN_CHECK		0x40000
+#define EFLAGS_VIRTUAL_INTR		0x80000
+
+#define EFLAGS_VIRTUAL_INTR_PEND	0x100000
+#define EFLAGS_ID			0x200000
+
+/*
+ * definitions related to CR0
+ */
+#define CR0_PROTECTION_ENABLE		0x1
+#define CR0_MONITOR_COPROC		0x2
+#define CR0_COPROC_SOFT_EMUL		0x4
+#define CR0_FLOATING_INSTR_EXCEPTION	0x8
+
+#define CR0_EXTENSION_TYPE		0x10
+#define CR0_NUMERIC_ERROR		0x20
+
+#define CR0_WRITE_PROTECT		0x10000
+#define CR0_ALIGMENT_MASK		0x40000
+
+#define CR0_NO_WRITE_THROUGH		0x20000000
+#define CR0_PAGE_LEVEL_CACHE_DISABLE	0x40000000
+#define CR0_PAGING			0x80000000
+
+/*
+ * definitions related to CR3
+ */
+
+#define CR3_PAGE_CACHE_DISABLE		0x10
+#define CR3_PAGE_WRITE_THROUGH		0x8
+#define CR3_PAGE_DIRECTORY_MASK		0xFFFFF000
+
+#endif