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, 172 insertions, 0 deletions

diff --git a/bsps/powerpc/include/mpc83xx/mpc83xx_spidrv.h b/bsps/powerpc/include/mpc83xx/mpc83xx_spidrv.h
new file mode 100644
index 0000000000..92fe66831a
--- /dev/null
+++ b/bsps/powerpc/include/mpc83xx/mpc83xx_spidrv.h
@@ -0,0 +1,172 @@
+/*===============================================================*\
+| Project: RTEMS support for MPC83xx                              |
++-----------------------------------------------------------------+
+|                    Copyright (c) 2007                           |
+|                    Embedded Brains GmbH                         |
+|                    Obere Lagerstr. 30                           |
+|                    D-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.                           |
+|                                                                 |
++-----------------------------------------------------------------+
+| this file contains the MPC83xx SPI driver declarations          |
+| NOTE: this driver has the same API as a I2C driver              |
+\*===============================================================*/
+#ifndef _MPC83XX_SPIDRV_H
+#define _MPC83XX_SPIDRV_H
+
+#include <mpc83xx/mpc83xx.h>
+#include <rtems/libi2c.h>
+#include <rtems/irq.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+typedef struct mpc83xx_spi_softc {
+  m83xxSPIRegisters_t *reg_ptr;
+  int                  initialized;
+  rtems_irq_number     irq_number;
+  uint32_t             base_frq;    /* input frq for baud rate divider */
+  rtems_id             irq_sema_id;
+  uint32_t             curr_addr; /* current spi address */
+  uint32_t             idle_char;
+  uint8_t              bytes_per_char;
+  uint8_t              bit_shift;
+} mpc83xx_spi_softc_t ;
+
+typedef struct {
+  rtems_libi2c_bus_t  bus_desc;
+  mpc83xx_spi_softc_t softc;
+} mpc83xx_spi_desc_t;
+
+/*=========================================================================*\
+| Function:                                                                 |
+\*-------------------------------------------------------------------------*/
+rtems_status_code mpc83xx_spi_init
+(
+/*-------------------------------------------------------------------------*\
+| Purpose:                                                                  |
+|   initialize the driver                                                   |
++---------------------------------------------------------------------------+
+| Input Parameters:                                                         |
+\*-------------------------------------------------------------------------*/
+ rtems_libi2c_bus_t *bh                  /* bus specifier structure        */
+ );
+/*-------------------------------------------------------------------------*\
+| Return Value:                                                             |
+|    o = ok or error code                                                   |
+\*=========================================================================*/
+
+/*=========================================================================*\
+| Function:                                                                 |
+\*-------------------------------------------------------------------------*/
+int mpc83xx_spi_read_write_bytes
+(
+/*-------------------------------------------------------------------------*\
+| Purpose:                                                                  |
+|   transmit/receive some bytes from SPI device                             |
++---------------------------------------------------------------------------+
+| Input Parameters:                                                         |
+\*-------------------------------------------------------------------------*/
+ rtems_libi2c_bus_t *bh,                 /* bus specifier structure        */
+ unsigned char *rbuf,                    /* buffer to store bytes          */
+ const unsigned char *tbuf,              /* buffer to send  bytes          */
+ int len                                 /* number of bytes to transceive  */
+ );
+/*-------------------------------------------------------------------------*\
+| Return Value:                                                             |
+|    number of bytes received or (negative) error code                      |
+\*=========================================================================*/
+
+/*=========================================================================*\
+| Function:                                                                 |
+\*-------------------------------------------------------------------------*/
+int mpc83xx_spi_read_bytes
+(
+/*-------------------------------------------------------------------------*\
+| Purpose:                                                                  |
+|   receive some bytes from SPI device                                      |
++---------------------------------------------------------------------------+
+| Input Parameters:                                                         |
+\*-------------------------------------------------------------------------*/
+ rtems_libi2c_bus_t *bh,                 /* bus specifier structure        */
+ unsigned char *buf,                     /* buffer to store bytes          */
+ int len                                 /* number of bytes to receive     */
+ );
+/*-------------------------------------------------------------------------*\
+| Return Value:                                                             |
+|    number of bytes received or (negative) error code                      |
+\*=========================================================================*/
+
+/*=========================================================================*\
+| Function:                                                                 |
+\*-------------------------------------------------------------------------*/
+int mpc83xx_spi_write_bytes
+(
+/*-------------------------------------------------------------------------*\
+| Purpose:                                                                  |
+|   send some bytes to SPI device                                           |
++---------------------------------------------------------------------------+
+| Input Parameters:                                                         |
+\*-------------------------------------------------------------------------*/
+ rtems_libi2c_bus_t *bh,                 /* bus specifier structure        */
+ unsigned char *buf,                     /* buffer to send                 */
+ int len                                 /* number of bytes to send        */
+
+ );
+/*-------------------------------------------------------------------------*\
+| Return Value:                                                             |
+|    number of bytes sent or (negative) error code                          |
+\*=========================================================================*/
+
+/*=========================================================================*\
+| Function:                                                                 |
+\*-------------------------------------------------------------------------*/
+rtems_status_code mpc83xx_spi_set_tfr_mode
+(
+/*-------------------------------------------------------------------------*\
+| Purpose:                                                                  |
+|   set SPI to desired baudrate/clock mode/character mode                   |
++---------------------------------------------------------------------------+
+| Input Parameters:                                                         |
+\*-------------------------------------------------------------------------*/
+ rtems_libi2c_bus_t *bh,                 /* bus specifier structure        */
+ const rtems_libi2c_tfr_mode_t *tfr_mode /* transfer mode info             */
+ );
+/*-------------------------------------------------------------------------*\
+| Return Value:                                                             |
+|    rtems_status_code                                                      |
+\*=========================================================================*/
+
+/*=========================================================================*\
+| Function:                                                                 |
+\*-------------------------------------------------------------------------*/
+int mpc83xx_spi_ioctl
+(
+/*-------------------------------------------------------------------------*\
+| Purpose:                                                                  |
+|   perform selected ioctl function for SPI                                 |
++---------------------------------------------------------------------------+
+| Input Parameters:                                                         |
+\*-------------------------------------------------------------------------*/
+ rtems_libi2c_bus_t *bh,                 /* bus specifier structure        */
+ int                 cmd,                /* ioctl command code             */
+ void               *arg                 /* additional argument array      */
+ );
+/*-------------------------------------------------------------------------*\
+| Return Value:                                                             |
+|    rtems_status_code                                                      |
+\*=========================================================================*/
+
+#ifdef __cplusplus
+}
+#endif
+
+
+#endif /* _MPC83XX_I2CDRV_H */