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, 137 insertions, 0 deletions

diff --git a/bsps/arm/tms570/include/bsp/tms570-pinmux.h b/bsps/arm/tms570/include/bsp/tms570-pinmux.h
new file mode 100644
index 0000000000..8b93c66bfa
--- /dev/null
+++ b/bsps/arm/tms570/include/bsp/tms570-pinmux.h
@@ -0,0 +1,137 @@
+/**
+ * @file tms570-pinmux.h
+ *
+ * @ingroup tms570
+ *
+ * @brief I/O Multiplexing Module (IOMM) basic support
+ */
+
+/*
+ * Copyright (c) 2015 Premysl Houdek <kom541000@gmail.com>
+ *
+ * Google Summer of Code 2014 at
+ * Czech Technical University in Prague
+ * Zikova 1903/4
+ * 166 36 Praha 6
+ * Czech Republic
+ *
+ * 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_ARM_TMS570_PINMUX_H
+#define LIBBSP_ARM_TMS570_PINMUX_H
+
+#ifndef ASM
+#include <bsp/tms570.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+
+#define TMS570_PIN_NUM_SHIFT    0
+#define TMS570_PIN_NUM_MASK     0x000007ff
+
+/*
+ * Request clear of interconnection in setup
+ * to ensure that previous peripheral to pin
+ * connection is not enabled in parallel to other one.
+ * Mask is ored with pin number in such list.
+ */
+#define TMS570_PIN_CLEAR_RQ_MASK 0x00000800
+
+#define TMS570_PIN_FNC_SHIFT    12
+#define TMS570_PIN_FNC_MASK     0x0000f000
+
+#define TMS570_PIN_NUM_FNC_MASK 0x0000ffff
+
+#define TMS570_PIN_IN_ALT_SHIFT 16
+#define TMS570_PIN_IN_ALT_MASK  0xffff0000
+
+#define TMS570_PIN_FNC_AUTO  (-1)
+
+#define TMS570_PIN_AND_FNC(pin, fnc) \
+  ((pin) | ((fnc) << TMS570_PIN_FNC_SHIFT))
+
+#define TMS570_PIN_WITH_IN_ALT(pin_num_and_fnc, pin_in_alt_num_and_fnc) \
+  ((pin_num_and_fnc) | ((pin_in_alt_num_and_fnc) << TMS570_PIN_IN_ALT_SHIFT))
+
+#define TMS570_BALL_WITH_MMR(mmrx, pos) \
+  ((pos) | ((mmrx) << 2))
+
+/* Generic functions select pin to peripheral connection */
+
+void tms570_bsp_pin_set_function(int pin_num, int pin_fnc);
+
+void tms570_bsp_pin_clear_function(int pin_num, int pin_fnc);
+
+void tms570_bsp_pin_config_one(uint32_t pin_num_and_fnc);
+
+void tms570_bsp_pinmmr_config(const uint32_t *pinmmr_values, int reg_start, int reg_count);
+
+static inline void
+tms570_bsp_pin_to_pinmmrx(volatile uint32_t **pinmmrx, unsigned int *pin_shift,
+                          int pin_num)
+{
+  pin_num = (pin_num & TMS570_PIN_NUM_MASK) >> TMS570_PIN_NUM_SHIFT;
+  *pinmmrx = &TMS570_IOMM.PINMUX.PINMMR0 + (pin_num >> 2);
+  *pin_shift = (pin_num & 0x3)*8;
+}
+
+#define TMS570_PINMMR_REG_SINGLE_VAL_ACTION(reg, pin) \
+  (((((pin) & TMS570_PIN_NUM_MASK) >> 2 != (reg)) || ((pin) & TMS570_PIN_CLEAR_RQ_MASK))? 0: \
+   1 << ((((pin) & TMS570_PIN_FNC_MASK) >> TMS570_PIN_FNC_SHIFT) + \
+   ((pin) & 3) * 8) \
+  )
+
+#define TMS570_PINMMR_REG_VAL_ACTION(reg, pin) \
+  TMS570_PINMMR_REG_SINGLE_VAL_ACTION(reg, pin) | \
+  ((pin) & TMS570_PIN_IN_ALT_MASK? \
+  TMS570_PINMMR_REG_SINGLE_VAL_ACTION(reg, (pin) >> TMS570_PIN_IN_ALT_SHIFT ): \
+  0) |
+
+/**
+ * Macro which computes value for PINMMRx register from pin list
+ * which is defined as macro calling action macro for each pin
+ *
+ * @param reg      PINMMR register number (0 .. 30 for TMS570LS3137)
+ * @param pin_list declared as macro with parameters
+ *                 \c per_pin_action and \c common_arg which expands
+ *                 to list of \c per_pin_action(\c common_arg, \c TMS570_BALL_xx_function)
+ *
+ * @retval number which represents connections which should be enabled
+ *                in given PINMMR register. Pin setup for other registers than specified
+ *                are ignored
+ */
+#define TMS570_PINMMR_REG_VAL(reg, pin_list) \
+  pin_list(TMS570_PINMMR_REG_VAL_ACTION, reg) 0
+
+#define TMS570_PINMMR_COMA_LIST_ACTION(reg, pin) \
+  (pin),
+
+/**
+ * Macro which generates list of pin and function specification from
+ * from pin list which is defined as macro calling action macro for each pin
+ *
+ * @param pin_list declared as macro with parameters
+ *                 \c per_pin_action and \c common_arg which expands
+ *                 to list of \c per_pin_action(\c common_arg, \c TMS570_BALL_xx_function)
+ *
+ * @retval list of coma separated pin+function combined values which is terminated by coma
+ *              at the end
+ */
+#define TMS570_PINMMR_COMA_LIST(pin_list) \
+  pin_list(TMS570_PINMMR_COMA_LIST_ACTION, 0)
+
+
+#endif
+
+/** @} */
+
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+#endif /* LIBBSP_ARM_TMS570_IRQ_H */