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- /****************************************************************************
- * tools/mkconfig.c
- *
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements. See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership. The
- * ASF licenses this file to you under the Apache License, Version 2.0 (the
- * "License"); you may not use this file except in compliance with the
- * License. You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
- * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
- * License for the specific language governing permissions and limitations
- * under the License.
- *
- ****************************************************************************/
- /****************************************************************************
- * 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;
- }
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