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, 91 insertions, 0 deletions

diff --git a/bsps/sparc/include/bsp/l4stat.h b/bsps/sparc/include/bsp/l4stat.h
new file mode 100644
index 0000000000..94fbe4b095
--- /dev/null
+++ b/bsps/sparc/include/bsp/l4stat.h
@@ -0,0 +1,91 @@
+/*
+ * L4STAT APB-Register Driver.
+ * 
+ * COPYRIGHT (c) 2017.
+ * Cobham Gaisler AB.
+ *
+ * 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 __L4STAT_H__
+#define __L4STAT_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#define L4STAT_ERR_OK 0
+#define L4STAT_ERR_EINVAL -1
+#define L4STAT_ERR_ERROR -2
+#define L4STAT_ERR_TOOMANY -3
+#define L4STAT_ERR_IMPLEMENTED -4
+
+/* Register L4STAT driver to Driver Manager */
+void l4stat_register_drv (void);
+
+extern int l4stat_counter_print(unsigned int counter);
+
+/*
+ * L4STAT CCTRL register fields
+ */
+#define CCTRL_NCPU (0xf << CCTRL_NCPU_BIT)
+#define CCTRL_NCNT_L3STAT (0x1ff << CCTRL_NCNT_BIT)
+#define CCTRL_NCNT (0x1f << CCTRL_NCNT_BIT)
+#define CCTRL_MC (0x1 << CCTRL_MC_BIT)
+#define CCTRL_IA (0x1 << CCTRL_IA_BIT)
+#define CCTRL_DS (0x1 << CCTRL_DS_BIT)
+#define CCTRL_EE (0x1 << CCTRL_EE_BIT)
+#define CCTRL_AE (0x1 << CCTRL_AE_BIT)
+#define CCTRL_EL (0x1 << CCTRL_EL_BIT)
+#define CCTRL_CD (0x1 << CCTRL_CD_BIT)
+#define CCTRL_SU (0x3 << CCTRL_SU_BIT)
+#define CCTRL_CL (0x1 << CCTRL_CL_BIT)
+#define CCTRL_EN (0x1 << CCTRL_EN_BIT)
+#define CCTRL_EVENTID (0xff << CCTRL_EVENTID_BIT)
+#define CCTRL_CPUAHBM (0xf << CCTRL_CPUAHBM_BIT)
+
+#define CCTRL_NCPU_BIT 28
+#define CCTRL_NCNT_BIT 23
+#define CCTRL_MC_BIT 22
+#define CCTRL_IA_BIT 21
+#define CCTRL_DS_BIT 20
+#define CCTRL_EE_BIT 19
+#define CCTRL_AE_BIT 18
+#define CCTRL_EL_BIT 17
+#define CCTRL_CD_BIT 16
+#define CCTRL_SU_BIT 14
+#define CCTRL_CL_BIT 13
+#define CCTRL_EN_BIT 12
+#define CCTRL_EVENTID_BIT 4
+#define CCTRL_CPUAHBM_BIT 0
+
+#define L4STAT_OPTIONS_EVENT_LEVEL_ENABLE CCTRL_EL 
+#define L4STAT_OPTIONS_EVENT_LEVEL_DISABLE 0
+#define L4STAT_OPTIONS_MAXIMUM_DURATION CCTRL_CD
+#define L4STAT_OPTIONS_SUPERVISOR_MODE_FILTER (0x1 << CCTRL_SU_BIT)
+#define L4STAT_OPTIONS_USER_MODE_FILTER (0x2 << CCTRL_SU_BIT)
+#define L4STAT_OPTIONS_NO_FILTER 0
+#define L4STAT_OPTIONS_CLEAR_ON_READ CCTRL_CL
+
+extern int l4stat_counter_enable(unsigned int counter, int event, int cpu, int options);
+extern int l4stat_counter_disable(unsigned int counter);
+extern int l4stat_counter_set(unsigned int counter, uint32_t val);
+extern int l4stat_counter_get(unsigned int counter, uint32_t *val);
+
+static inline int l4stat_counter_clear(unsigned int counter)
+{
+	return l4stat_counter_set(counter, 0);
+}
+
+extern int l4stat_counter_max_set(unsigned int counter, uint32_t val);
+extern int l4stat_counter_max_get(unsigned int counter, uint32_t *val);
+extern int l4stat_tstamp_set(uint32_t val);
+extern int l4stat_tstamp_get(uint32_t *val);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif