source: rtems/bsps/m68k/mrm332/include/bsp.h @ d7d66d7

5
Last change on this file since d7d66d7 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/*  bsp.h
2 *
3 *  This include file contains all mrm board IO definitions.
4 */
5
6/*
7 *  COPYRIGHT (c) 1989-2009.
8 *  On-Line Applications Research Corporation (OAR).
9 *
10 *  The license and distribution terms for this file may be
11 *  found in the file LICENSE in this distribution or at
12 *  http://www.rtems.org/license/LICENSE.
13 */
14
15#ifndef LIBBSP_M68K_MRM332_BSP_H
16#define LIBBSP_M68K_MRM332_BSP_H
17
18#include <bspopts.h>
19#include <bsp/default-initial-extension.h>
20
21#include <rtems.h>
22#include <rtems/bspIo.h>
23#include <mrm332.h>
24
25#ifdef __cplusplus
26extern "C" {
27#endif
28
29#define CONSOLE_SCI
30
31/* externals */
32
33extern char _etext[];
34extern char _copy_start[];
35extern char _edata[];
36extern char _clear_start[];
37extern char end[];
38extern bool _copy_data_from_rom;
39
40/* constants */
41
42#ifdef __START_C__
43#define STACK_SIZE "#0x800"
44#else
45#define STACK_SIZE 0x800
46#endif
47
48/* macros */
49
50#define RAW_PUTS(str) \
51  { register char *ptr = str; \
52    while (*ptr) SCI_output_char(*ptr++); \
53  }
54
55#define RAW_PUTI(n) { \
56    register int i, j; \
57    \
58    RAW_PUTS("0x"); \
59    for (i=28;i>=0;i -= 4) { \
60      j = (n>>i) & 0xf; \
61      SCI_output_char( (j>9 ? j-10+'a' : j+'0') ); \
62    } \
63  }
64
65/* miscellaneous stuff assumed to exist */
66
67extern rtems_isr_entry M68Kvec[];   /* vector table address */
68
69extern int stack_size;
70extern int stack_start;
71
72/* functions */
73
74rtems_isr_entry set_vector(
75  rtems_isr_entry     handler,
76  rtems_vector_number vector,
77  int                 type
78);
79
80void Spurious_Initialize(void);
81
82void _UART_flush(void);
83
84void outbyte(char);
85
86#ifdef __cplusplus
87}
88#endif
89
90#endif
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