source: rtems/bsps/arm/atsam/include/libchip/include/supc.h @ 71c5552f

5
Last change on this file since 71c5552f 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: 3.6 KB
Line 
1/* ---------------------------------------------------------------------------- */
2/*                  Atmel Microcontroller Software Support                      */
3/*                       SAM Software Package License                           */
4/* ---------------------------------------------------------------------------- */
5/* Copyright (c) 2015, Atmel Corporation                                        */
6/*                                                                              */
7/* All rights reserved.                                                         */
8/*                                                                              */
9/* Redistribution and use in source and binary forms, with or without           */
10/* modification, are permitted provided that the following condition is met:    */
11/*                                                                              */
12/* - Redistributions of source code must retain the above copyright notice,     */
13/* this list of conditions and the disclaimer below.                            */
14/*                                                                              */
15/* Atmel's name may not be used to endorse or promote products derived from     */
16/* this software without specific prior written permission.                     */
17/*                                                                              */
18/* DISCLAIMER:  THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR   */
19/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */
20/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE   */
21/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,      */
22/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */
23/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,  */
24/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    */
25/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING         */
26/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */
27/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.                           */
28/* ---------------------------------------------------------------------------- */
29
30#ifndef _SUPC_H_
31#define _SUPC_H_
32
33/*----------------------------------------------------------------------------
34 *        Headers
35 *----------------------------------------------------------------------------*/
36#include <stdint.h>
37
38
39/*----------------------------------------------------------------------------
40 *        Definitions
41 *----------------------------------------------------------------------------*/
42
43
44
45/*----------------------------------------------------------------------------
46 *        Exported functions
47 *----------------------------------------------------------------------------*/
48
49#ifdef __cplusplus
50extern "C" {
51#endif
52
53
54
55void SUPC_SelectExtCrystal32K(void);
56uint8_t SUPC_IsSlowClkExtCrystal32K(void);
57uint8_t SUPC_Read_Status(uint32_t status);
58void SUPC_DisableSupplyMonitor(void);
59void SUPC_DisableVoltageReg(void);
60void SUPC_ConfigSupplyMonitor(uint32_t Config);
61void SUPC_BrownoutDetectEnable(uint8_t enable);
62void SUPC_BrownoutResetEnable(void);
63void SUPC_SramBackupMode(uint8_t enable);
64void SUPC_BypassXtal32KOsc(void);
65void SUPC_EnablesWakeupInput(uint32_t Input, uint8_t enable);
66void SUPC_SetLowPowerDebounce(uint8_t period);
67void SUPC_SetWakeupDebounce(uint8_t period);
68void SUPC_EnablesWakeupMode(uint32_t Regs, uint8_t enable);
69
70#ifdef __cplusplus
71}
72#endif
73
74#endif /* #ifndef _PMC_ */
75
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