source: rtems/bsps/arm/csb337/include/bsp.h @ 2afb22b

5
Last change on this file since 2afb22b was 2afb22b, checked in by Chris Johns <chrisj@…>, on 12/23/17 at 07:18:56

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.
  • Property mode set to 100644
File size: 1.6 KB
Line 
1/**
2 * @file
3 *
4 * @ingroup arm_csb337
5 *
6 * @brief Global BSP definitions.
7 */
8
9/*
10 * CSB337 BSP header file
11 *
12 * Copyright (c) 2004 by Cogent Computer Systems
13 * Writtent by Jay Monkman <jtm@lopingdog.com>
14 *
15 *  The license and distribution terms for this file may be
16 *  found in the file LICENSE in this distribution or at
17 *  http://www.rtems.org/license/LICENSE.
18 */
19#ifndef LIBBSP_ARM_CSB337_BSP_H
20#define LIBBSP_ARM_CSB337_BSP_H
21
22#include <bspopts.h>
23#include <bsp/default-initial-extension.h>
24
25#include <rtems.h>
26
27#ifdef __cplusplus
28extern "C" {
29#endif
30
31/**
32 * @defgroup arm_csb337 CSB337 Support
33 *
34 * @ingroup bsp_arm
35 *
36 * @brief CSB337 support package.
37 *
38 * @{
39 */
40
41#define BSP_FEATURE_IRQ_EXTENSION
42
43/* What is the input clock freq in hertz? */
44#define BSP_MAIN_FREQ 3686400      /* 3.6864 MHz */
45#define BSP_SLCK_FREQ   32768      /* 32.768 KHz */
46
47/* What is the last interrupt? */
48#define BSP_MAX_INT AT91RM9200_MAX_INT
49
50/*
51 * forward reference the type to avoid conflicts between libchip serial
52 * and libchip rtc get and set register types.
53 */
54typedef struct _console_tbl console_tbl;
55console_tbl *BSP_get_uart_from_minor(int minor);
56
57static inline int32_t BSP_get_baud(void) {return 38400;}
58
59#define ST_PIMR_PIV     33      /* 33 ticks of the 32.768Khz clock ~= 1msec */
60
61/**
62 * @brief Network driver configuration
63 */
64extern struct rtems_bsdnet_ifconfig *config;
65
66/* Change these to match your board */
67int rtems_at91rm9200_emac_attach(struct rtems_bsdnet_ifconfig *config, int attaching);
68#define RTEMS_BSP_NETWORK_DRIVER_NAME   "eth0"
69#define RTEMS_BSP_NETWORK_DRIVER_ATTACH rtems_at91rm9200_emac_attach
70
71/** @} */
72
73#ifdef __cplusplus
74}
75#endif
76
77#endif /* _BSP_H */
78
Note: See TracBrowser for help on using the repository browser.