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Diffstat (limited to 'nuttx/tools/mkconfig.c')
-rw-r--r-- | nuttx/tools/mkconfig.c | 264 |
1 files changed, 264 insertions, 0 deletions
diff --git a/nuttx/tools/mkconfig.c b/nuttx/tools/mkconfig.c new file mode 100644 index 000000000..97e2a9c34 --- /dev/null +++ b/nuttx/tools/mkconfig.c @@ -0,0 +1,264 @@ +/**************************************************************************** + * tools/mkconfig.c + * + * Copyright (C) 2007-2012 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 "cfgparser.h" + +/**************************************************************************** + * 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("/* Architecture-specific options *************************/\n\n"); + parse_file(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)\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 filesystem supuport is to set the\n"); + printf(" * number of file descriptors to zero.\n"); + printf(" */\n\n"); + printf("#ifndef CONFIG_NFILE_DESCRIPTORS\n"); + printf("# define CONFIG_NFILE_DESCRIPTORS 0\n"); + printf("#endif\n\n"); + printf("/* If a console is selected, then make sure that there are\n"); + printf(" * resources for 3 file descriptors and, if any streams are\n"); + printf(" * selected, also for 3 file streams.\n"); + printf(" */\n\n"); + printf("#ifdef CONFIG_DEV_CONSOLE\n"); + printf("# if CONFIG_NFILE_DESCRIPTORS < 3\n"); + printf("# undef CONFIG_NFILE_DESCRIPTORS\n"); + printf("# define CONFIG_NFILE_DESCRIPTORS 3\n"); + printf("# endif\n\n"); + printf("# if CONFIG_NFILE_STREAMS > 0 && CONFIG_NFILE_STREAMS < 3\n"); + printf("# undef CONFIG_NFILE_STREAMS\n"); + printf("# define CONFIG_NFILE_STREAMS 3\n"); + printf("# endif\n\n"); + printf("/* If no console is selected, then disable all console devices */\n\n"); + printf("#else\n"); + printf("# undef CONFIG_DEV_LOWCONSOLE\n"); + printf("# undef CONFIG_RAMLOG_CONSOLE\n"); + printf("# undef CONFIG_CDCACM_CONSOLE\n"); + printf("# undef CONFIG_PL2303_CONSOLE\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 no file descriptors are configured, then make certain no\n"); + printf(" * streams are configured either.\n"); + printf(" */\n\n"); + printf("#if CONFIG_NFILE_DESCRIPTORS == 0\n"); + printf("# undef CONFIG_NFILE_STREAMS\n"); + printf("# define CONFIG_NFILE_STREAMS 0\n"); + printf("#endif\n\n"); + printf("/* There must be at least one memory region. */\n\n"); + printf("#ifndef CONFIG_MM_REGIONS\n"); + printf("# define CONFIG_MM_REGIONS 1\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("# define CONFIG_STDIO_BUFFER_SIZE 0\n"); + printf("#endif\n\n"); + printf("/* We are building a kernel version of the C library, then some user-space features\n"); + printf(" * need to be disabled\n"); + printf(" */\n\n"); + printf("#if defined(CONFIG_NUTTX_KERNEL) && defined(__KERNEL__)\n"); + printf("# undef CONFIG_STDIO_BUFFER_SIZE\n"); + printf("# define CONFIG_STDIO_BUFFER_SIZE 0\n"); + printf("# undef CONFIG_NUNGET_CHARS\n"); + printf("# define CONFIG_NUNGET_CHARS 0\n"); + printf("#endif\n\n"); + printf("/* If no standard C buffered I/O is not supported, then line-oriented buffering\n"); + printf(" * cannot be supported.\n"); + printf(" */\n\n"); + printf("#if CONFIG_STDIO_BUFFER_SIZE == 0\n"); + printf("# undef CONFIG_STDIO_LINEBUFFER\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 CONFIG_MQ_MAXMSGSIZE <= 0 && !defined(CONFIG_DISABLE_MQUEUE)\n"); + printf("# define CONFIG_DISABLE_MQUEUE 1\n"); + printf("#endif\n\n"); + printf("/* If mountpoint support in not included, then no filesystem can be supported */\n\n"); + printf("#ifdef CONFIG_DISABLE_MOUNTPOINT\n"); + printf("# undef CONFIG_FS_FAT\n"); + printf("# undef CONFIG_FS_ROMFS\n"); + printf("# undef CONFIG_FS_NXFFS\n"); + printf("# undef CONFIG_APPS_BINDIR\n"); + printf("# undef CONFIG_NFS\n"); + printf("#endif\n\n"); + printf("/* Check if any readable and writable filesystem (OR USB storage) is supported */\n\n"); + printf("#undef CONFIG_FS_READABLE\n"); + printf("#undef CONFIG_FS_WRITABLE\n"); + printf("#if defined(CONFIG_FS_FAT) || defined(CONFIG_FS_ROMFS) || defined(CONFIG_USBMSC) || \\\n"); + printf(" defined(CONFIG_FS_NXFFS) || defined(CONFIG_APPS_BINDIR) || defined(CONFIG_NFS)\n"); + printf("# define CONFIG_FS_READABLE 1\n"); + printf("#endif\n\n"); + printf("#if defined(CONFIG_FS_FAT) || defined(CONFIG_USBMSC) || defined(CONFIG_FS_NXFFS) || \\\n"); + printf(" defined(CONFIG_NFS)\n"); + printf("# define CONFIG_FS_WRITABLE 1\n"); + printf("#endif\n\n"); + printf("/* There can be no network support with no socket descriptors */\n\n"); + printf("#if CONFIG_NSOCKET_DESCRIPTORS <= 0\n"); + printf("# undef CONFIG_NET\n"); + printf("#endif\n\n"); + printf("/* Conversely, if there is no network support, there is no need for\n"); + printf(" * socket descriptors\n"); + printf(" */\n\n"); + printf("#ifndef CONFIG_NET\n"); + printf("# undef CONFIG_NSOCKET_DESCRIPTORS\n"); + printf("# define CONFIG_NSOCKET_DESCRIPTORS 0\n"); + printf("#endif\n\n"); + printf("/* Protocol support can only be provided on top of basic network support */\n\n"); + printf("#ifndef CONFIG_NET\n"); + printf("# undef CONFIG_NET_TCP\n"); + printf("# undef CONFIG_NET_UDP\n"); + printf("# undef CONFIG_NET_ICMP\n"); + printf("#endif\n\n"); + printf("/* NFS client can only be provided on top of UDP network support */\n\n"); + printf("#if !defined(CONFIG_NET) || !defined(CONFIG_NET_UDP)\n"); + printf("# undef CONFIG_NFS\n"); + printf("#endif\n\n"); + printf("/* Verbose debug and sub-system debug only make sense if debug is enabled */\n\n"); + printf("#ifndef CONFIG_DEBUG\n"); + printf("# undef CONFIG_DEBUG_VERBOSE\n"); + printf("# undef CONFIG_DEBUG_SCHED\n"); + printf("# undef CONFIG_DEBUG_MM\n"); + printf("# undef CONFIG_DEBUG_PAGING\n"); + printf("# undef CONFIG_DEBUG_DMA\n"); + printf("# undef CONFIG_DEBUG_FS\n"); + printf("# undef CONFIG_DEBUG_LIB\n"); + printf("# undef CONFIG_DEBUG_BINFMT\n"); + printf("# undef CONFIG_DEBUG_NET\n"); + printf("# undef CONFIG_DEBUG_USB\n"); + printf("# undef CONFIG_DEBUG_GRAPHICS\n"); + printf("# undef CONFIG_DEBUG_GPIO\n"); + printf("# undef CONFIG_DEBUG_STACK\n"); + printf("#endif\n\n"); + printf("#endif /* __INCLUDE_NUTTX_CONFIG_H */\n"); + fclose(stream); + return 0; +} |