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-rw-r--r--nuttx/tools/mkconfig.c264
1 files changed, 264 insertions, 0 deletions
diff --git a/nuttx/tools/mkconfig.c b/nuttx/tools/mkconfig.c
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+++ 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;
+}