diff options
author | Gregory Nutt <gnutt@nuttx.org> | 2015-04-15 08:39:44 -0600 |
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committer | Gregory Nutt <gnutt@nuttx.org> | 2015-04-15 08:39:44 -0600 |
commit | 7f6fde293cccf7d84af9e9b05eb6fb7b57bb6ce3 (patch) | |
tree | 6169c7c04433aa967759cc02711912b4e9e15a51 | |
parent | 3a23faff9f4074d4be39010c115835a32eed7d74 (diff) | |
download | px4-nuttx-7f6fde293cccf7d84af9e9b05eb6fb7b57bb6ce3.tar.gz px4-nuttx-7f6fde293cccf7d84af9e9b05eb6fb7b57bb6ce3.tar.bz2 px4-nuttx-7f6fde293cccf7d84af9e9b05eb6fb7b57bb6ce3.zip |
apps/system/zoneinfo: Add logic to build a ROMFS file system containing the timezone data
-rw-r--r-- | apps/examples/romfs/Kconfig | 1 | ||||
-rw-r--r-- | apps/examples/romfs/romfs_main.c | 2 | ||||
-rwxr-xr-x | apps/include/zoneinfo.h | 83 | ||||
-rw-r--r-- | apps/system/zoneinfo/.gitignore | 7 | ||||
-rw-r--r-- | apps/system/zoneinfo/Kconfig | 28 | ||||
-rwxr-xr-x | apps/system/zoneinfo/Makefile | 66 | ||||
-rw-r--r-- | apps/system/zoneinfo/tzmount.c | 68 | ||||
-rwxr-xr-x | apps/system/zoneinfo/tzromfs.c | 51 |
8 files changed, 284 insertions, 22 deletions
diff --git a/apps/examples/romfs/Kconfig b/apps/examples/romfs/Kconfig index 5a8c824a3..4da4d5052 100644 --- a/apps/examples/romfs/Kconfig +++ b/apps/examples/romfs/Kconfig @@ -6,6 +6,7 @@ config EXAMPLES_ROMFS bool "ROMFS example" default n + depends on FS_ROMFS ---help--- Enable the ROMFS example diff --git a/apps/examples/romfs/romfs_main.c b/apps/examples/romfs/romfs_main.c index ce1c53d60..fdea119fe 100644 --- a/apps/examples/romfs/romfs_main.c +++ b/apps/examples/romfs/romfs_main.c @@ -74,7 +74,7 @@ #include "romfs_testdir.h" /**************************************************************************** - * Definitions + * Pre-processor Definitions ****************************************************************************/ /* Configuration settings */ diff --git a/apps/include/zoneinfo.h b/apps/include/zoneinfo.h new file mode 100755 index 000000000..db271ce7f --- /dev/null +++ b/apps/include/zoneinfo.h @@ -0,0 +1,83 @@ +/**************************************************************************** + * apps/include/zoneinfo.h + * + * Copyright (C) 2015 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. + * + ****************************************************************************/ + +#ifndef __APPS_INCLUDE_ZONEINFO_H +#define __APPS_INCLUDE_ZONEINFO_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> + +#ifdef CONFIG_SYSTEM_ZONEINFO_ROMFS + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#ifdef __cplusplus +#define EXTERN extern "C" +extern "C" +{ +#else +#define EXTERN extern +#endif + +/* If the TZ database is built as a ROMFS file system, then these variables + * provide (1) the address of the array in FLASH/ROM that contains the + * ROMFS file system image, and (2) the size of the ROMFS file system image + * in bytes. This is sufficient information to permit external logic to + * mount the ROMF file system. + */ + +EXTERN unsigned char romfs_zoneinfo_img[]; +EXTERN unsigned int romfs_zoneinfo_img_len; + +/**************************************************************************** + * Public Function Prototypes + ****************************************************************************/ + +#undef EXTERN +#ifdef __cplusplus +} +#endif + +#endif /* CONFIG_SYSTEM_ZONEINFO_ROMFS */ +#endif /* __APPS_INCLUDE_ZONEINFO_H */ diff --git a/apps/system/zoneinfo/.gitignore b/apps/system/zoneinfo/.gitignore index 6c67706bd..cf64977cb 100644 --- a/apps/system/zoneinfo/.gitignore +++ b/apps/system/zoneinfo/.gitignore @@ -1,9 +1,12 @@ /Make.dep /.depend /.built -/.tzbin -/.tzcode +/.tzbuilt +/.tzunpack +/tzbin +/tzcode /tz*-latest.tar.gz +/romfs_zoneinfo.* /*.asm /*.rel /*.lst diff --git a/apps/system/zoneinfo/Kconfig b/apps/system/zoneinfo/Kconfig index bece2d31f..65b87940c 100644 --- a/apps/system/zoneinfo/Kconfig +++ b/apps/system/zoneinfo/Kconfig @@ -11,5 +11,31 @@ config SYSTEM_ZONEINFO Build the TZ/Olson database. if SYSTEM_ZONEINFO -endif +config SYSTEM_ZONEINFO_ROMFS + bool "Build ROMFS filesystem" + default n + depends on FS_ROMFS + ---help--- + Build a mountable ROMFS filesystem containing the TZ database + +config SYSTEM_ZONEINFO_MNTCMD + bool "Zoneinfo mount command" + default n + depends on SYSTEM_ZONEINFO_ROMFS && NSH_BUILTIN_APPS + ---help--- + Build an NSH command that will mount the ROMFS filesystem containing + the TZ database at CONFIG_LIBC_TZDIR. + +config SYSTEM_ZONEINFO_RAMDEVNO + int "ROMFS minor number" + default 0 + depends on SYSTEM_ZONEINFO_MNTCMD + ---help--- + Minor number to use when registering the ROM disk block driver. The + driver will be registers as /dev/ramN where N is provided by + CONFIG_SYSTEM_ZONEINFO_RAMDEVNO. This, of course, must not conflict + with other RAM/ROM disk devices that may have been previously + registered. + +endif # SYSTEM_ZONEINFO diff --git a/apps/system/zoneinfo/Makefile b/apps/system/zoneinfo/Makefile index 1e8ebc50d..99240206d 100755 --- a/apps/system/zoneinfo/Makefile +++ b/apps/system/zoneinfo/Makefile @@ -49,7 +49,14 @@ STACKSIZE = 768 ASRCS = CSRCS = + +ifeq ($(CONFIG_SYSTEM_ZONEINFO_ROMFS),y) +CSRCS += tzromfs.c +endif + +ifeq ($(CONFIG_SYSTEM_ZONEINFO_MNTCMD),y) MAINSRC = tzmount.c +endif AOBJS = $(ASRCS:.S=$(OBJEXT)) COBJS = $(CSRCS:.c=$(OBJEXT)) @@ -62,6 +69,10 @@ ifneq ($(CONFIG_BUILD_KERNEL),y) OBJS += $(MAINOBJ) endif +ZONEINFO_PATH = $(APPDIR)/system/zoneinfo +TZBIN_PATH = $(ZONEINFO_PATH)/tzbin +TZCODE_PATH = $(ZONEINFO_PATH)/tzcode + ifeq ($(CONFIG_WINDOWS_NATIVE),y) BIN = ..\..\libapps$(LIBEXT) else @@ -88,7 +99,7 @@ ROOTDEPPATH = --dep-path . VPATH = all: .built -.PHONY: tzcode_unpack tzdata_unpack tzcode_build tzbuild register context depend clean distclean +.PHONY: romfs register context depend clean distclean $(AOBJS): %$(OBJEXT): %.S $(call ASSEMBLE, $<, $@) @@ -96,10 +107,12 @@ $(AOBJS): %$(OBJEXT): %.S $(COBJS) $(MAINOBJ): %$(OBJEXT): %.c $(call COMPILE, $<, $@) -.built: $(OBJS) +.built: .tzbuilt romfs $(OBJS) $(call ARCHIVE, $(BIN), $(OBJS)) $(Q) touch .built +# Kernel mode program build + ifeq ($(CONFIG_BUILD_KERNEL),y) $(BIN_DIR)$(DELIM)$(PROGNAME): $(OBJS) $(MAINOBJ) @echo "LD: $(PROGNAME)" @@ -113,6 +126,31 @@ install: endif +# ROMFS file system containing the TZ database + +ifeq ($(CONFIG_SYSTEM_ZONEINFO_MNTCMD),y) + +checkgenromfs: + @genromfs -h 1>/dev/null 2>&1 || { \ + echo "Host executable genromfs not available in PATH"; \ + echo "You may need to download in from http://romfs.sourceforge.net/"; \ + exit 1; \ + } + +romfs_zoneinfo.img : checkgenromfs .tzbuilt + @genromfs -f $@ -d $(TZBIN_PATH)/etc/zoneinfo -V "TZDatbase" || { echo "genromfs failed" ; exit 1 ; } + +romfs_zoneinfo.h : romfs_zoneinfo.img + @xxd -i $< >$@ || { echo "xxd of $< failed" ; exit 1 ; } + +romfs: romfs_zoneinfo.h + +else + +romfs: + +endif # CONFIG_SYSTEM_ZONEINFO_MNTCMD + # Build TZ database tzcode: @@ -127,20 +165,18 @@ tzcode-latest.tar.gz: tzdata-latest.tar.gz: $(Q) wget --retr-symlinks ftp://ftp.iana.org/tz/tzdata-latest.tar.gz -tzcode_unpack: tzcode tzcode-latest.tar.gz +.tzunpack: tzcode tzcode-latest.tar.gz tzdata-latest.tar.gz $(Q) tar zx -C tzcode -f tzcode-latest.tar.gz - -tzdata_unpack: tzcode tzdata-latest.tar.gz $(Q) tar zx -C tzcode -f tzdata-latest.tar.gz + $(Q) touch .tzunpack -tzcode_build: tzcode_unpack - -tzbuild: tzcode_build tzdata_unpack tzbin - $(Q) $(MAKE) -C tzcode TOPDIR=$(PWD)$(DELIM)tzbin install +.tzbuilt: tzcode tzbin .tzunpack + $(Q) $(MAKE) -C tzcode TOPDIR=$(TZBIN_PATH) install + $(Q) touch .tzbuilt # Register application -ifeq ($(CONFIG_NSH_BUILTIN_APPS),y) +ifeq ($(CONFIG_SYSTEM_ZONEINFO_MNTCMD),y) $(BUILTIN_REGISTRY)$(DELIM)$(APPNAME)_main.bdat: $(DEPCONFIG) Makefile $(call REGISTER,$(APPNAME),$(PRIORITY),$(STACKSIZE),$(APPNAME)_main) @@ -149,7 +185,7 @@ else register: endif -context: tzbuild register +context: .tzbuilt romfs register # Create dependencies @@ -161,14 +197,18 @@ depend: .depend clean: $(call DELFILE, .built) - $(call DELDIR, tzbin) - $(call DELDIR, tzcode) $(call CLEAN) distclean: clean $(call DELFILE, Make.dep) $(call DELFILE, .depend) + $(call DELFILE, .tzunpack) + $(call DELFILE, .tzbuilt) + $(call DELFILE, romfs_zoneinfo.img) + $(call DELFILE, romfs_zoneinfo.h) $(call DELFILE, tzdata-latest.tar.gz) $(call DELFILE, tzcode-latest.tar.gz) + $(call DELDIR, tzbin) + $(call DELDIR, tzcode) -include Make.dep diff --git a/apps/system/zoneinfo/tzmount.c b/apps/system/zoneinfo/tzmount.c index def05e4f4..ca3329894 100644 --- a/apps/system/zoneinfo/tzmount.c +++ b/apps/system/zoneinfo/tzmount.c @@ -38,10 +38,45 @@ ****************************************************************************/ #include <nuttx/config.h> -#include <nuttx/progmem.h> +#include <sys/mount.h> #include <stdio.h> #include <stdlib.h> +#include <errno.h> + +#include <nuttx/fs/ramdisk.h> +#include <apps/zoneinfo.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#ifndef CONFIG_SYSTEM_ZONEINFO_RAMDEVNO +# define CONFIG_SYSTEM_ZONEINFO_RAMDEVNO 1 +#endif + +#ifndef CONFIG_LIBC_TZDIR +# errror CONFIG_LIBC_TZDIR is not defined +#endif + +#ifdef CONFIG_DISABLE_MOUNTPOINT +# error "Mountpoint support is disabled" +#endif + +#if CONFIG_NFILE_DESCRIPTORS < 4 +# error "Not enough file descriptors" +#endif + +#ifndef CONFIG_FS_ROMFS +# error "ROMFS support not enabled" +#endif + +#define SECTORSIZE 64 +#define NSECTORS(b) (((b)+SECTORSIZE-1)/SECTORSIZE) + +#define STR_RAMDEVNO(m) #m +#define MKMOUNT_DEVNAME(m) "/dev/ram" STR_RAMDEVNO(m) +#define MOUNT_DEVNAME MKMOUNT_DEVNAME(CONFIG_SYSTEM_ZONEINFO_RAMDEVNO) /**************************************************************************** * Private Functions @@ -57,9 +92,32 @@ int main(int argc, FAR char *argv[]) int tzmount_main(int argc, char **argv) #endif { - /* This function is currently just a placeholder. Future logic will - * mount a ROMFS volume here that hold the TZ database. - */ + int ret; + + /* Create a RAM disk for the test */ + + ret = romdisk_register(CONFIG_SYSTEM_ZONEINFO_RAMDEVNO, + romfs_zoneinfo_img, + NSECTORS(romfs_zoneinfo_img_len), + SECTORSIZE); + if (ret < 0) + { + printf("ERROR: Failed to create RAM disk\n"); + return EXIT_FAILURE; + } + + /* Mount the test file system */ + + printf("Mounting ROMFS filesystem at target=%s with source=%s\n", + CONFIG_LIBC_TZDIR, MOUNT_DEVNAME); + + ret = mount(MOUNT_DEVNAME, CONFIG_LIBC_TZDIR, "romfs", MS_RDONLY, NULL); + if (ret < 0) + { + printf("ERROR: Mount failed: %d\n", errno); + return EXIT_FAILURE; + } - return OK; + printf("TZ database mounted at %s\n", CONFIG_LIBC_TZDIR); + return EXIT_SUCCESS; } diff --git a/apps/system/zoneinfo/tzromfs.c b/apps/system/zoneinfo/tzromfs.c new file mode 100755 index 000000000..8cf382db9 --- /dev/null +++ b/apps/system/zoneinfo/tzromfs.c @@ -0,0 +1,51 @@ +/**************************************************************************** + * apps/system/zoneinfo/tzromfs.c + * + * Copyright (C) 2015 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 <nuttx/config.h> +#include <apps/zoneinfo.h> + +/**************************************************************************** + * Private Functions + ****************************************************************************/ + +/**************************************************************************** + * Public Data + ****************************************************************************/ + +#include "romfs_zoneinfo.h" |