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, 101 insertions, 0 deletions

diff --git a/bsps/powerpc/qoriq/include/bsp/mmu.h b/bsps/powerpc/qoriq/include/bsp/mmu.h
new file mode 100644
index 0000000000..4cacb1b375
--- /dev/null
+++ b/bsps/powerpc/qoriq/include/bsp/mmu.h
@@ -0,0 +1,101 @@
+/**
+ * @file
+ *
+ * @ingroup QorIQMMU
+ *
+ * @brief MMU API.
+ */
+
+/*
+ * Copyright (c) 2011-2015 embedded brains GmbH.  All rights reserved.
+ *
+ *  embedded brains GmbH
+ *  Dornierstr. 4
+ *  82178 Puchheim
+ *  Germany
+ *  <rtems@embedded-brains.de>
+ *
+ * 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_POWERPC_QORIQ_MMU_H
+#define LIBBSP_POWERPC_QORIQ_MMU_H
+
+#include <stdint.h>
+#include <stdbool.h>
+
+#include <bspopts.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+/**
+ * @defgroup QorIQMMU QorIQ - MMU Support
+ *
+ * @ingroup QorIQ
+ *
+ * @brief MMU support.
+ *
+ * @{
+ */
+
+#define QORIQ_MMU_MIN_POWER 12
+#define QORIQ_MMU_MAX_POWER 30
+#define QORIQ_MMU_POWER_STEP 2
+
+typedef struct {
+	uintptr_t begin;
+	uintptr_t last;
+	uint32_t mas1;
+	uint32_t mas2;
+	uint32_t mas3;
+	uint32_t mas7;
+} qoriq_mmu_entry;
+
+typedef struct {
+	int count;
+	qoriq_mmu_entry entries [QORIQ_TLB1_ENTRY_COUNT];
+} qoriq_mmu_context;
+
+void qoriq_mmu_context_init(qoriq_mmu_context *self);
+
+bool qoriq_mmu_add(
+	qoriq_mmu_context *self,
+	uintptr_t begin,
+	uintptr_t last,
+	uint32_t mas1,
+	uint32_t mas2,
+	uint32_t mas3,
+	uint32_t mas7
+);
+
+void qoriq_mmu_partition(qoriq_mmu_context *self, int max_count);
+
+void qoriq_mmu_write_to_tlb1(qoriq_mmu_context *self, int first_tlb);
+
+void qoriq_mmu_change_perm(uint32_t test, uint32_t set, uint32_t clear);
+
+void qoriq_mmu_config(bool boot_processor, int first_tlb, int scratch_tlb);
+
+void qoriq_tlb1_write(
+	int esel,
+	uint32_t mas1,
+	uint32_t mas2,
+	uint32_t mas3,
+	uint32_t mas7,
+	uintptr_t ea,
+	int tsize
+);
+
+void qoriq_tlb1_invalidate(int esel);
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_POWERPC_QORIQ_MMU_H */