incubator-nuttx/tools/mkconfig.c

194 lines
6.9 KiB
C

/****************************************************************************
* tools/mkconfig.c
*
* Copyright (C) 2007-2013 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <gnutt@nuttx.org>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <string.h>
#include <stdlib.h>
#include <errno.h>
#include "cfgdefine.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
#define DEFCONFIG ".config"
/****************************************************************************
* Private Functions
****************************************************************************/
static inline char *getfilepath(const char *name)
{
snprintf(line, PATH_MAX, "%s/" DEFCONFIG, name);
line[PATH_MAX] = '\0';
return strdup(line);
}
static void show_usage(const char *progname)
{
fprintf(stderr, "USAGE: %s <abs path to .config>\n", progname);
exit(1);
}
/****************************************************************************
* Public Functions
****************************************************************************/
int main(int argc, char **argv, char **envp)
{
char *filepath;
FILE *stream;
if (argc != 2)
{
fprintf(stderr, "Unexpected number of arguments\n");
show_usage(argv[0]);
}
filepath = getfilepath(argv[1]);
if (!filepath)
{
fprintf(stderr, "getfilepath failed\n");
exit(2);
}
stream = fopen(filepath, "r");
if (!stream)
{
fprintf(stderr, "open %s failed: %s\n", filepath, strerror(errno));
exit(3);
}
printf(
"/* config.h -- Autogenerated! Do not edit. */\n\n"
"#ifndef __INCLUDE_NUTTX_CONFIG_H\n"
"#define __INCLUDE_NUTTX_CONFIG_H\n\n"
"/* General Definitions ***********************************/\n"
"/* Used to represent the values of tristate options */\n\n"
"#define CONFIG_y 1\n"
"#define CONFIG_m 2\n\n"
"/* Architecture-specific options *************************/\n\n");
generate_definitions(stream);
printf(
"\n/* Sanity Checks *****************************************/\n\n"
"/* If this is an NXFLAT, external build, then make sure that\n"
" * NXFLAT support is enabled in the base code.\n"
" */\n\n"
"#if defined(__NXFLAT__) && !defined(CONFIG_NXFLAT)\n"
"# error \"NXFLAT support not enabled in this configuration\"\n"
"#endif\n\n"
"/* NXFLAT requires PIC support in the TCBs. */\n\n"
"#if defined(CONFIG_NXFLAT)\n"
"# undef CONFIG_PIC\n"
"# define CONFIG_PIC 1\n"
"#endif\n\n"
"/* Binary format support is disabled if no binary formats are\n"
" * configured (at present, NXFLAT is the only supported binary.\n"
" * format).\n"
" */\n\n"
"#if !defined(CONFIG_NXFLAT) && !defined(CONFIG_ELF) \\\n"
" && !defined(CONFIG_BUILTIN)\n"
"# undef CONFIG_BINFMT_DISABLE\n"
"# define CONFIG_BINFMT_DISABLE 1\n"
"#endif\n\n"
"/* The correct way to disable RR scheduling is to set the\n"
" * timeslice to zero.\n"
" */\n\n"
"#ifndef CONFIG_RR_INTERVAL\n"
"# define CONFIG_RR_INTERVAL 0\n"
"#endif\n\n"
"/* If no file streams are configured, then make certain that\n"
" * buffered I/O support is disabled\n"
" */\n\n"
"#ifndef CONFIG_FILE_STREAM\n"
"# undef CONFIG_STDIO_BUFFER_SIZE\n"
"# undef CONFIG_STDIO_LINEBUFFER\n"
"# undef CONFIG_STDIO_DISABLE_BUFFERING\n"
"# define CONFIG_STDIO_DISABLE_BUFFERING 1\n"
"#endif\n\n"
"/* If priority inheritance is disabled, then do not allocate any\n"
" * associated resources.\n"
" */\n\n"
"#if !defined(CONFIG_PRIORITY_INHERITANCE) \\\n"
" || !defined(CONFIG_SEM_PREALLOCHOLDERS)\n"
"# undef CONFIG_SEM_PREALLOCHOLDERS\n"
"# define CONFIG_SEM_PREALLOCHOLDERS 0\n"
"#endif\n\n"
"#if !defined(CONFIG_PRIORITY_INHERITANCE) \\\n"
" || !defined(CONFIG_SEM_NNESTPRIO)\n"
"# undef CONFIG_SEM_NNESTPRIO\n"
"# define CONFIG_SEM_NNESTPRIO 0\n"
"#endif\n\n"
"/* If the end of RAM is not specified then it is assumed to be\n"
" * the beginning of RAM plus the RAM size.\n"
" */\n\n"
"#ifndef CONFIG_RAM_END\n"
"# define CONFIG_RAM_END (CONFIG_RAM_START+CONFIG_RAM_SIZE)\n"
"#endif\n\n"
"#ifndef CONFIG_RAM_VEND\n"
"# define CONFIG_RAM_VEND (CONFIG_RAM_VSTART+CONFIG_RAM_SIZE)\n"
"#endif\n\n"
"/* If the end of FLASH is not specified then it is assumed to be\n"
" * the beginning of FLASH plus the FLASH size.\n"
" */\n\n"
"#ifndef CONFIG_FLASH_END\n"
"# define CONFIG_FLASH_END (CONFIG_FLASH_START+CONFIG_FLASH_SIZE)\n"
"#endif\n\n"
"/* If the maximum message size is zero, then we assume that\n"
" * message queues support should be disabled\n"
" */\n\n"
"#if !defined(CONFIG_MQ_MAXMSGSIZE) || defined(CONFIG_DISABLE_MQUEUE)\n"
"# undef CONFIG_MQ_MAXMSGSIZE\n"
"# define CONFIG_MQ_MAXMSGSIZE 0\n"
"#endif\n\n"
"#if CONFIG_MQ_MAXMSGSIZE <= 0 && !defined(CONFIG_DISABLE_MQUEUE)\n"
"# define CONFIG_DISABLE_MQUEUE 1\n"
"#endif\n\n"
"#endif /* __INCLUDE_NUTTX_CONFIG_H */\n");
fclose(stream);
/* Exit (without bothering to clean up allocations) */
free(filepath);
return 0;
}