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, 158 insertions, 0 deletions

diff --git a/bsps/powerpc/include/libcpu/cpuIdent.h b/bsps/powerpc/include/libcpu/cpuIdent.h
new file mode 100755
index 0000000000..e051deba92
--- /dev/null
+++ b/bsps/powerpc/include/libcpu/cpuIdent.h
@@ -0,0 +1,158 @@
+/*
+ * Copyright (C) 1999  Eric Valette (valette@crf.canon.fr)
+ *                     Canon Centre Recherche France.
+ *
+ *  Added MPC8260 Andy Dachs <a.dachs@sstl.co.uk>
+ *  Surrey Satellite Technology Limited
+ *
+ *
+ *  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 _LIBCPU_CPUIDENT_H
+#define _LIBCPU_CPUIDENT_H
+
+#include <stdbool.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef ASM
+typedef enum
+{
+  PPC_601 = 0x1,
+  PPC_5XX = 0x2,
+  PPC_603 = 0x3,
+  PPC_604 = 0x4,
+  PPC_603e = 0x6,
+  PPC_603ev = 0x7,
+  PPC_750 = 0x8,
+  PPC_750_IBM = 0x7000,
+  PPC_604e = 0x9,
+  PPC_604r = 0xA,
+  PPC_7400 = 0xC,
+  PPC_405  = 0x2001,  /* Xilinx Virtex-II Pro or -4 */
+  PPC_405EX = 0x1291,	/* + 405EXr */
+  PPC_405GP = 0x4011,	/* + 405CR */
+  PPC_405GPr = 0x5091,
+  PPC_405EZ = 0x4151,
+  PPC_405EP = 0x5121,
+  PPC_440 = 0x7ff2,  /* Xilinx Virtex-5*/
+  PPC_7455 = 0x8001, /* Kate Feng */
+  PPC_7457 = 0x8002,
+  PPC_620 = 0x16,
+  PPC_860 = 0x50,
+  PPC_821 = PPC_860,
+  PPC_823 = PPC_860,
+  PPC_8260 = 0x81,
+  PPC_8240 = PPC_8260,
+  PPC_8245 = 0x8081,
+  PPC_8540 = 0x8020,
+  PPC_e500v2 = 0x8021,
+  PPC_e6500 = 0x8040,
+  PPC_603le = 0x8082, /* 603le core, in MGT5100 and MPC5200 */
+  PPC_e300c1  = 0x8083, /* e300c1  core, in MPC83xx*/
+  PPC_e300c2  = 0x8084, /* e300c2  core */
+  PPC_e300c3  = 0x8085, /* e300c3  core */
+  PPC_e200z0  = 0x8170,
+  PPC_e200z1  = 0x8140,
+  PPC_e200z4  = 0x8150,
+  PPC_e200z6  = 0x8110,
+  PPC_e200z7  = 0x8160,
+  PPC_PSIM    = 0xfffe,  /* GDB PowerPC simulator -- fake version */
+  PPC_UNKNOWN = 0xffff
+} ppc_cpu_id_t;
+
+/* Bitfield of for identifying features or groups of cpu flavors.
+ * DO NOT USE DIRECTLY (as implementation may change)
+ * only use the 'ppc_is_xxx() / ppc_has_xxx()' macros/inlines
+ * below.
+ */
+
+typedef struct {
+	unsigned has_altivec		: 1;
+	unsigned has_fpu			: 1;
+	unsigned has_hw_ptbl_lkup	: 1;
+#define PPC_BOOKE_405   1	/* almost like booke but with some significant differences */
+#define PPC_BOOKE_STD	2
+#define PPC_BOOKE_E500	3	/* bookE with extensions */
+	unsigned is_bookE			: 2;
+	unsigned has_16byte_clne	: 1;
+	unsigned is_60x             : 1;
+	unsigned has_8_bats			: 1;
+	unsigned has_epic           : 1;
+	unsigned has_shadowed_gprs  : 1;
+} ppc_feature_t;
+
+extern ppc_feature_t   current_ppc_features;
+extern ppc_cpu_id_t current_ppc_cpu;
+
+typedef unsigned short ppc_cpu_revision_t;
+
+extern ppc_cpu_id_t get_ppc_cpu_type (void);
+extern const char *get_ppc_cpu_type_name(ppc_cpu_id_t cpu);
+extern ppc_cpu_revision_t get_ppc_cpu_revision (void);
+extern ppc_cpu_revision_t current_ppc_revision;
+
+/* PUBLIC ACCESS ROUTINES */
+#define _PPC_FEAT_DECL(x) \
+static inline unsigned ppc_cpu_##x(void) { \
+  if ( PPC_UNKNOWN == current_ppc_cpu ) \
+    get_ppc_cpu_type(); \
+  return current_ppc_features.x; \
+}
+
+_PPC_FEAT_DECL(has_altivec)
+/* has_fpu not implemented yet */
+_PPC_FEAT_DECL(has_hw_ptbl_lkup)
+_PPC_FEAT_DECL(is_bookE)
+_PPC_FEAT_DECL(is_60x)
+_PPC_FEAT_DECL(has_8_bats)
+_PPC_FEAT_DECL(has_epic)
+_PPC_FEAT_DECL(has_shadowed_gprs)
+
+#undef _PPC_FEAT_DECL
+
+static inline ppc_cpu_id_t ppc_cpu_current(void)
+{
+	return current_ppc_cpu;
+}
+
+static inline bool ppc_cpu_is_e200(void)
+{
+	return (ppc_cpu_current() & 0xff80) == 0x8100;
+}
+
+static inline bool ppc_cpu_is_specific_e200(ppc_cpu_id_t id)
+{
+	return (ppc_cpu_current() & 0xfff0) == id;
+}
+
+static inline bool ppc_cpu_is_e300(void)
+{
+	return ppc_cpu_current() == PPC_e300c1
+		|| ppc_cpu_current() == PPC_e300c2
+		|| ppc_cpu_current() == PPC_e300c3;
+}
+
+static inline bool ppc_cpu_is_e500(void)
+{
+	return ppc_cpu_current() == PPC_8540
+		|| ppc_cpu_current() == PPC_e500v2;
+}
+
+static inline bool ppc_cpu_is(ppc_cpu_id_t cpu)
+{
+	return ppc_cpu_current() == cpu;
+}
+
+#endif /* ASM */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif