source: rtems/bsps/sparc/include/bsp/apbuart.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: 1.3 KB
Line 
1/**
2 * @file
3 * @ingroup sparc_bsp
4 * @defgroup uart UART
5 * @ingroup uart
6 * @brief Driver interface for APBUART
7 */
8
9/*
10 *  COPYRIGHT (c) 2007.
11 *  Gaisler Research
12 *
13 *  The license and distribution terms for this file may be
14 *  found in the file LICENSE in this distribution or at
15 *  http://www.rtems.org/license/LICENSE.
16 *
17 */
18
19#ifndef __APBUART_H__
20#define __APBUART_H__
21
22#include <ambapp.h>
23
24#ifdef __cplusplus
25extern "C" {
26#endif
27
28#define APBUART_CTRL_RE 0x1
29#define APBUART_CTRL_TE 0x2
30#define APBUART_CTRL_RI 0x4
31#define APBUART_CTRL_TI 0x8
32#define APBUART_CTRL_PS 0x10
33#define APBUART_CTRL_PE 0x20
34#define APBUART_CTRL_FL 0x40
35#define APBUART_CTRL_LB 0x80
36#define APBUART_CTRL_EC 0x100
37#define APBUART_CTRL_TF 0x200
38#define APBUART_CTRL_RF 0x400
39#define APBUART_CTRL_BI 0x1000
40#define APBUART_CTRL_DI 0x2000
41#define APBUART_CTRL_FA 0x80000000
42
43#define APBUART_STATUS_DR 0x1
44#define APBUART_STATUS_TS 0x2
45#define APBUART_STATUS_TE 0x4
46#define APBUART_STATUS_BR 0x8
47#define APBUART_STATUS_OV 0x10
48#define APBUART_STATUS_PE 0x20
49#define APBUART_STATUS_FE 0x40
50#define APBUART_STATUS_ERR 0x78
51#define APBUART_STATUS_TH 0x80
52#define APBUART_STATUS_RH 0x100
53#define APBUART_STATUS_TF 0x200
54#define APBUART_STATUS_RF 0x400
55
56#ifdef __cplusplus
57}
58#endif
59
60#endif /* __APBUART_H__ */
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