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, 32 insertions, 0 deletions

diff --git a/bsps/mips/hurricane/include/usc.h b/bsps/mips/hurricane/include/usc.h
new file mode 100644
index 0000000000..167eff0949
--- /dev/null
+++ b/bsps/mips/hurricane/include/usc.h
@@ -0,0 +1,32 @@
+/* USC constants */
+
+#ifndef _USC_H__
+#define _USC_H__
+
+
+#define USC_REG_BASE	(0x1D000000 | 0xA0000000)
+
+/* Internal register addresses */
+#define SYSTEM (USC_REG_BASE + 0x73)
+
+#define INT_CFG0 (USC_REG_BASE + 0xE0)
+#define INT_CFG1 (USC_REG_BASE + 0xE4)
+#define INT_CFG2 (USC_REG_BASE + 0xE8)
+#define INT_STAT (USC_REG_BASE + 0xEC)
+
+#define WD_HBI (USC_REG_BASE + 0xF4)
+
+#define INT_CFG3 (USC_REG_BASE + 0x158)
+
+/* INT_CFGx register masks */
+#define HBI_MASK	0x00200000	/* Heartbeat timer interrupt mask */
+#define WDI_MASK	0x00400000	/* Watchdog timer interrupt mask */
+#define MODE_TOTEM_POLE	0x20000000	/* Totem Pole Output Mode */
+
+/* WD_HBI register bits */
+#define WD_EN 0x00800000	/* Watchdog enable */
+#define HBI_4000_PS	0x00200000	/* Heartbeat timer prescaler = 4000 */
+#define WD_INIT 0x10	/* Watchdog reset pattern (written to byte 2 in WD_HBI register) */
+
+
+#endif /* _USC_H__ */