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- /****************************************************************************
- * 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");
- printf("#ifndef __INCLUDE_NUTTX_CONFIG_H\n");
- printf("#define __INCLUDE_NUTTX_CONFIG_H\n\n");
- printf("/* General Definitions ***********************************/\n");
- printf("/* Used to represent the values of tristate options */\n\n");
- printf("#define CONFIG_y 1\n");
- printf("#define CONFIG_m 2\n\n");
- printf("/* Architecture-specific options *************************/\n\n");
- generate_definitions(stream);
- printf("\n/* Sanity Checks *****************************************/\n\n");
- printf("/* If this is an NXFLAT, external build, then make sure that\n");
- printf(" * NXFLAT support is enabled in the base code.\n");
- printf(" */\n\n");
- printf("#if defined(__NXFLAT__) && !defined(CONFIG_NXFLAT)\n");
- printf("# error \"NXFLAT support not enabled in this configuration\"\n");
- printf("#endif\n\n");
- printf("/* NXFLAT requires PIC support in the TCBs. */\n\n");
- printf("#if defined(CONFIG_NXFLAT)\n");
- printf("# undef CONFIG_PIC\n");
- printf("# define CONFIG_PIC 1\n");
- printf("#endif\n\n");
- printf("/* Binary format support is disabled if no binary formats are\n");
- printf(" * configured (at present, NXFLAT is the only supported binary.\n");
- printf(" * format).\n");
- printf(" */\n\n");
- printf("#if !defined(CONFIG_NXFLAT) && !defined(CONFIG_ELF) && !defined(CONFIG_BUILTIN)\n");
- printf("# undef CONFIG_BINFMT_DISABLE\n");
- printf("# define CONFIG_BINFMT_DISABLE 1\n");
- printf("#endif\n\n");
- printf("/* The correct way to disable RR scheduling is to set the\n");
- printf(" * timeslice to zero.\n");
- printf(" */\n\n");
- printf("#ifndef CONFIG_RR_INTERVAL\n");
- printf("# define CONFIG_RR_INTERVAL 0\n");
- printf("#endif\n\n");
- printf("/* The correct way to disable stream support is to set the number of\n");
- printf(" * streamd to zero.\n");
- printf(" */\n\n");
- printf("#ifndef CONFIG_NFILE_STREAMS\n");
- printf("# define CONFIG_NFILE_STREAMS 0\n");
- printf("#endif\n\n");
- printf("/* If no file streams are configured, then make certain that buffered I/O\n");
- printf(" * support is disabled\n");
- printf(" */\n\n");
- printf("#if CONFIG_NFILE_STREAMS == 0\n");
- printf("# undef CONFIG_STDIO_BUFFER_SIZE\n");
- printf("# undef CONFIG_STDIO_LINEBUFFER\n");
- printf("# undef CONFIG_STDIO_DISABLE_BUFFERING\n");
- printf("# define CONFIG_STDIO_DISABLE_BUFFERING 1\n");
- printf("#endif\n\n");
- printf("/* If priority inheritance is disabled, then do not allocate any\n");
- printf(" * associated resources.\n");
- printf(" */\n\n");
- printf("#if !defined(CONFIG_PRIORITY_INHERITANCE) || !defined(CONFIG_SEM_PREALLOCHOLDERS)\n");
- printf("# undef CONFIG_SEM_PREALLOCHOLDERS\n");
- printf("# define CONFIG_SEM_PREALLOCHOLDERS 0\n");
- printf("#endif\n\n");
- printf("#if !defined(CONFIG_PRIORITY_INHERITANCE) || !defined(CONFIG_SEM_NNESTPRIO)\n");
- printf("# undef CONFIG_SEM_NNESTPRIO\n");
- printf("# define CONFIG_SEM_NNESTPRIO 0\n");
- printf("#endif\n\n");
- printf("/* If the end of RAM is not specified then it is assumed to be the beginning\n");
- printf(" * of RAM plus the RAM size.\n");
- printf(" */\n\n");
- printf("#ifndef CONFIG_RAM_END\n");
- printf("# define CONFIG_RAM_END (CONFIG_RAM_START+CONFIG_RAM_SIZE)\n");
- printf("#endif\n\n");
- printf("#ifndef CONFIG_RAM_VEND\n");
- printf("# define CONFIG_RAM_VEND (CONFIG_RAM_VSTART+CONFIG_RAM_SIZE)\n");
- printf("#endif\n\n");
- printf("/* If the end of FLASH is not specified then it is assumed to be the beginning\n");
- printf(" * of FLASH plus the FLASH size.\n");
- printf(" */\n\n");
- printf("#ifndef CONFIG_FLASH_END\n");
- printf("# define CONFIG_FLASH_END (CONFIG_FLASH_START+CONFIG_FLASH_SIZE)\n");
- printf("#endif\n\n");
- printf("/* If the maximum message size is zero, then we assume that message queues\n");
- printf(" * support should be disabled\n");
- printf(" */\n\n");
- printf("#if !defined(CONFIG_MQ_MAXMSGSIZE) || defined(CONFIG_DISABLE_MQUEUE)\n");
- printf("# undef CONFIG_MQ_MAXMSGSIZE\n");
- printf("# define CONFIG_MQ_MAXMSGSIZE 0\n");
- printf("#endif\n\n");
- printf("#if CONFIG_MQ_MAXMSGSIZE <= 0 && !defined(CONFIG_DISABLE_MQUEUE)\n");
- printf("# define CONFIG_DISABLE_MQUEUE 1\n");
- printf("#endif\n\n");
- printf("#endif /* __INCLUDE_NUTTX_CONFIG_H */\n");
- fclose(stream);
- /* Exit (without bothering to clean up allocations) */
- free(filepath);
- return 0;
- }
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