diff options
| -rw-r--r-- | fs/Config.in | 20 | ||||
| -rw-r--r-- | fs/common.mk | 10 | ||||
| -rw-r--r-- | package/makedevs/README | 35 | ||||
| -rw-r--r-- | target/generic/device_table.txt | 187 | ||||
| -rw-r--r-- | target/generic/device_table_dev.txt | 143 |
5 files changed, 209 insertions, 186 deletions
diff --git a/fs/Config.in b/fs/Config.in index 9ac3accd8..6f0f82ba2 100644 --- a/fs/Config.in +++ b/fs/Config.in @@ -36,13 +36,21 @@ config BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_UDEV endchoice config BR2_ROOTFS_DEVICE_TABLE - string "Path to the device table" - depends on BR2_ROOTFS_DEVICE_CREATION_STATIC - default "target/generic/device_table.txt" + string "Path to the device tables" + default "target/generic/device_table.txt target/generic/device_table_dev.txt" \ + if BR2_ROOTFS_DEVICE_CREATION_STATIC + default "target/generic/device_table.txt" \ + if (BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_MDEV || \ + BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_UDEV || \ + BR2_ROOTFS_DEVICE_CREATION_DYNAMIC_DEVTMPFS) help - Specify the location of a device table, that will be passed - to the makedevs utility to create all the special device - files in the target filesystem. + Specify a space-separated list of device table locations, + that will be passed to the makedevs utility to create all + the special device files and assign correct owners and + permissions on various files in the target filesystem. + + See package/makedevs/README for details on the usage and + syntax of these files. choice prompt "Root FS skeleton" diff --git a/fs/common.mk b/fs/common.mk index 92be00cc0..4d5051460 100644 --- a/fs/common.mk +++ b/fs/common.mk @@ -32,7 +32,8 @@ # macro will automatically generate a compressed filesystem image. FAKEROOT_SCRIPT = $(BUILD_DIR)/_fakeroot.fs -ROOTFS_DEVICE_TABLE = $(call qstrip,$(BR2_ROOTFS_DEVICE_TABLE)) +FULL_DEVICE_TABLE = $(BUILD_DIR)/_device_table.txt +ROOTFS_DEVICE_TABLES = $(call qstrip,$(BR2_ROOTFS_DEVICE_TABLE)) define ROOTFS_TARGET_INTERNAL @@ -46,13 +47,14 @@ $(BINARIES_DIR)/rootfs.$(1): $(ROOTFS_$(2)_DEPENDENCIES) touch $(BUILD_DIR)/.fakeroot.00000 cat $(BUILD_DIR)/.fakeroot* > $(FAKEROOT_SCRIPT) echo "chown -R 0:0 $(TARGET_DIR)" >> $(FAKEROOT_SCRIPT) -ifneq ($(ROOTFS_DEVICE_TABLE),) - echo "$(HOST_DIR)/usr/bin/makedevs -d $(ROOTFS_DEVICE_TABLE) $(TARGET_DIR)" >> $(FAKEROOT_SCRIPT) +ifneq ($(ROOTFS_DEVICE_TABLES),) + cat $(ROOTFS_DEVICE_TABLES) > $(FULL_DEVICE_TABLE) + echo "$(HOST_DIR)/usr/bin/makedevs -d $(FULL_DEVICE_TABLE) $(TARGET_DIR)" >> $(FAKEROOT_SCRIPT) endif echo "$(ROOTFS_$(2)_CMD)" >> $(FAKEROOT_SCRIPT) chmod a+x $(FAKEROOT_SCRIPT) $(HOST_DIR)/usr/bin/fakeroot -- $(FAKEROOT_SCRIPT) - -@rm -f $(FAKEROOT_SCRIPT) + -@rm -f $(FAKEROOT_SCRIPT) $(FULL_DEVICE_TABLE) $(foreach hook,$(ROOTFS_$(2)_POST_GEN_HOOKS),$(call $(hook))$(sep)) ifeq ($$(BR2_TARGET_ROOTFS_$(2)_GZIP),y) gzip -9 -c $$@ > $$@.gz diff --git a/package/makedevs/README b/package/makedevs/README new file mode 100644 index 000000000..6c54052ee --- /dev/null +++ b/package/makedevs/README @@ -0,0 +1,35 @@ +When building a target filesystem, it is desirable to not have to +become root and then run 'mknod' a thousand times. Using a device +table you can create device nodes and directories "on the fly". + +You can do all sorts of interesting things with a device table file. +For example, if you want to adjust the permissions on a particular +file you can just add an entry like: + + /sbin/foobar f 2755 0 0 - - - - - + +and (assuming the file /sbin/foobar exists) it will be made setuid +root (regardless of what its permissions are on the host filesystem. + +Furthermore, you can use a single table entry to create a many device +minors. For example, if I wanted to create /dev/hda and +/dev/hda[0-15] I could just use the following two table entries: + + /dev/hda b 640 0 0 3 0 0 0 - + /dev/hda b 640 0 0 3 1 1 1 15 + +Device table entries take the form of: + +<name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count> + +where name is the file name, type can be one of: + + f A regular file + d Directory + c Character special device file + b Block special device file + p Fifo (named pipe) + +uid is the user id for the target file, gid is the group id for the +target file. The rest of the entries (major, minor, etc) apply only +to device special files. diff --git a/target/generic/device_table.txt b/target/generic/device_table.txt index 38fe1e8e3..12f35b275 100644 --- a/target/generic/device_table.txt +++ b/target/generic/device_table.txt @@ -1,44 +1,15 @@ -# When building a target filesystem, it is desirable to not have to -# become root and then run 'mknod' a thousand times. Using a device -# table you can create device nodes and directories "on the fly". +# See package/makedevs/README for details # -# This is a sample device table file for use with genext2fs. You can -# do all sorts of interesting things with a device table file. For -# example, if you want to adjust the permissions on a particular file -# you can just add an entry like: -# /sbin/foobar f 2755 0 0 - - - - - -# and (assuming the file /sbin/foobar exists) it will be made setuid -# root (regardless of what its permissions are on the host filesystem. -# Furthermore, you can use a single table entry to create a many device -# minors. For example, if I wanted to create /dev/hda and /dev/hda[0-15] -# I could just use the following two table entries: -# /dev/hda b 640 0 0 3 0 0 0 - -# /dev/hda b 640 0 0 3 1 1 1 15 -# -# Device table entries take the form of: -# <name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count> -# where name is the file name, type can be one of: -# f A regular file -# d Directory -# c Character special device file -# b Block special device file -# p Fifo (named pipe) -# uid is the user id for the target file, gid is the group id for the -# target file. The rest of the entries (major, minor, etc) apply only -# to device special files. - -# Have fun -# -Erik Andersen <andersen@codepoet.org> +# This device table is used to assign proper ownership and permissions +# on various files. It doesn't create any device file, as it is used +# in both static device configurations (where /dev/ is static) and in +# dynamic configurations (where devtmpfs, mdev or udev are used). # - -#<name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count> -/dev d 755 0 0 - - - - - -/dev/pts d 755 0 0 - - - - - -/dev/shm d 755 0 0 - - - - - -/tmp d 1777 0 0 - - - - - -/etc d 755 0 0 - - - - - -/home/default d 2755 1000 1000 - - - - - -#<name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count> +# <name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count> +/dev d 755 0 0 - - - - - +/tmp d 1777 0 0 - - - - - +/etc d 755 0 0 - - - - - +/home/default d 2755 1000 1000 - - - - - /bin/busybox f 4755 0 0 - - - - - /etc/shadow f 600 0 0 - - - - - /etc/passwd f 644 0 0 - - - - - @@ -48,140 +19,4 @@ /etc/network/if-post-down.d d 755 0 0 - - - - - /usr/share/udhcpc/default.script f 755 0 0 - - - - - # uncomment this to allow starting x as non-root -#/usr/X11R6/bin/Xfbdev f 4755 0 0 - - - - - -# Normal system devices -/dev/mem c 640 0 0 1 1 0 0 - -/dev/kmem c 640 0 0 1 2 0 0 - -/dev/null c 666 0 0 1 3 0 0 - -/dev/zero c 666 0 0 1 5 0 0 - -/dev/random c 666 0 0 1 8 0 0 - -/dev/urandom c 666 0 0 1 9 0 0 - -/dev/ram b 640 0 0 1 1 0 0 - -/dev/ram b 640 0 0 1 0 0 1 4 -/dev/loop b 640 0 0 7 0 0 1 2 -/dev/rtc c 640 0 0 10 135 - - - -/dev/console c 666 0 0 5 1 - - - -/dev/tty c 666 0 0 5 0 - - - -/dev/tty c 666 0 0 4 0 0 1 8 -/dev/ttyp c 666 0 0 3 0 0 1 10 -/dev/ptyp c 666 0 0 2 0 0 1 10 -/dev/ptmx c 666 0 0 5 2 - - - -/dev/ttyP c 666 0 0 57 0 0 1 4 -/dev/ttyS c 666 0 0 4 64 0 1 4 -/dev/fb c 640 0 5 29 0 0 1 4 -#/dev/ttySA c 666 0 0 204 5 0 1 3 -/dev/psaux c 666 0 0 10 1 0 0 - -#/dev/ppp c 666 0 0 108 0 - - - -/dev/ttyAM c 666 0 0 204 16 0 1 3 -/dev/ttyCPM c 666 0 0 204 46 0 1 4 -/dev/ttyAMA c 666 0 0 204 64 0 1 4 -/dev/ttySAC c 666 0 0 204 64 0 1 4 -/dev/ttySC c 666 0 0 204 8 0 1 6 -/dev/ttyPSC c 666 0 0 204 148 0 1 4 -/dev/ttyUL c 666 0 0 204 187 0 1 4 -/dev/ttymxc c 666 0 0 207 16 0 1 3 - -# Input stuff -/dev/input d 755 0 0 - - - - - -/dev/input/mice c 640 0 0 13 63 0 0 - -/dev/input/mouse c 660 0 0 13 32 0 1 4 -/dev/input/event c 660 0 0 13 64 0 1 4 -#/dev/input/js c 660 0 0 13 0 0 1 4 - - -# MTD stuff -/dev/mtd c 640 0 0 90 0 0 2 4 -/dev/mtdblock b 640 0 0 31 0 0 1 4 - -#Tun/tap driver -/dev/net d 755 0 0 - - - - - -/dev/net/tun c 660 0 0 10 200 - - - - -# Audio stuff -#/dev/audio c 666 0 29 14 4 - - - -#/dev/audio1 c 666 0 29 14 20 - - - -#/dev/dsp c 666 0 29 14 3 - - - -#/dev/dsp1 c 666 0 29 14 19 - - - -#/dev/sndstat c 666 0 29 14 6 - - - - -# User-mode Linux stuff -#/dev/ubda b 640 0 0 98 0 0 0 - -#/dev/ubda b 640 0 0 98 1 1 1 15 - -# IDE Devices -/dev/hda b 640 0 0 3 0 0 0 - -/dev/hda b 640 0 0 3 1 1 1 15 -/dev/hdb b 640 0 0 3 64 0 0 - -/dev/hdb b 640 0 0 3 65 1 1 15 -#/dev/hdc b 640 0 0 22 0 0 0 - -#/dev/hdc b 640 0 0 22 1 1 1 15 -#/dev/hdd b 640 0 0 22 64 0 0 - -#/dev/hdd b 640 0 0 22 65 1 1 15 -#/dev/hde b 640 0 0 33 0 0 0 - -#/dev/hde b 640 0 0 33 1 1 1 15 -#/dev/hdf b 640 0 0 33 64 0 0 - -#/dev/hdf b 640 0 0 33 65 1 1 15 -#/dev/hdg b 640 0 0 34 0 0 0 - -#/dev/hdg b 640 0 0 34 1 1 1 15 -#/dev/hdh b 640 0 0 34 64 0 0 - -#/dev/hdh b 640 0 0 34 65 1 1 15 - -# SCSI Devices -/dev/sda b 640 0 0 8 0 0 0 - -/dev/sda b 640 0 0 8 1 1 1 15 -/dev/sdb b 640 0 0 8 16 0 0 - -/dev/sdb b 640 0 0 8 17 1 1 15 -#/dev/sdc b 640 0 0 8 32 0 0 - -#/dev/sdc b 640 0 0 8 33 1 1 15 -#/dev/sdd b 640 0 0 8 48 0 0 - -#/dev/sdd b 640 0 0 8 49 1 1 15 -#/dev/sde b 640 0 0 8 64 0 0 - -#/dev/sde b 640 0 0 8 65 1 1 15 -#/dev/sdf b 640 0 0 8 80 0 0 - -#/dev/sdf b 640 0 0 8 81 1 1 15 -#/dev/sdg b 640 0 0 8 96 0 0 - -#/dev/sdg b 640 0 0 8 97 1 1 15 -#/dev/sdh b 640 0 0 8 112 0 0 - -#/dev/sdh b 640 0 0 8 113 1 1 15 -#/dev/sg c 640 0 0 21 0 0 1 15 -#/dev/scd b 640 0 0 11 0 0 1 15 -#/dev/st c 640 0 0 9 0 0 1 8 -#/dev/nst c 640 0 0 9 128 0 1 8 -#/dev/st c 640 0 0 9 32 1 1 4 -#/dev/st c 640 0 0 9 64 1 1 4 -#/dev/st c 640 0 0 9 96 1 1 4 - -# USB block devices (ub driver) -/dev/uba b 640 0 0 180 0 0 0 - -/dev/uba b 640 0 0 180 1 1 1 6 -/dev/ubb b 640 0 0 180 8 0 0 - -/dev/ubb b 640 0 0 180 65 1 1 6 - -# Floppy disk devices -#/dev/fd b 640 0 0 2 0 0 1 2 -#/dev/fd0d360 b 640 0 0 2 4 0 0 - -#/dev/fd1d360 b 640 0 0 2 5 0 0 - -#/dev/fd0h1200 b 640 0 0 2 8 0 0 - -#/dev/fd1h1200 b 640 0 0 2 9 0 0 - -#/dev/fd0u1440 b 640 0 0 2 28 0 0 - -#/dev/fd1u1440 b 640 0 0 2 29 0 0 - -#/dev/fd0u2880 b 640 0 0 2 32 0 0 - -#/dev/fd1u2880 b 640 0 0 2 33 0 0 - - -# All the proprietary cdrom devices in the world -#/dev/aztcd b 640 0 0 29 0 0 0 - -#/dev/bpcd b 640 0 0 41 0 0 0 - -#/dev/capi20 c 640 0 0 68 0 0 1 2 -#/dev/cdu31a b 640 0 0 15 0 0 0 - -#/dev/cdu535 b 640 0 0 24 0 0 0 - -#/dev/cm206cd b 640 0 0 32 0 0 0 - -#/dev/sjcd b 640 0 0 18 0 0 0 - -#/dev/sonycd b 640 0 0 15 0 0 0 - -#/dev/gscd b 640 0 0 16 0 0 0 - -#/dev/sbpcd b 640 0 0 25 0 0 0 - -#/dev/sbpcd b 640 0 0 25 0 0 1 4 -#/dev/mcd b 640 0 0 23 0 0 0 - -#/dev/optcd b 640 0 0 17 0 0 0 - - -# I2C device nodes -/dev/i2c- c 666 0 0 89 0 0 1 4 +#/usr/X11R6/bin/Xfbdev f 4755 0 0 - - - - - diff --git a/target/generic/device_table_dev.txt b/target/generic/device_table_dev.txt new file mode 100644 index 000000000..a3d53d460 --- /dev/null +++ b/target/generic/device_table_dev.txt @@ -0,0 +1,143 @@ +# See package/makedevs/README for details +# +# This device table is used only to create device files when a static +# device configuration is used (entries in /dev are static). +# +# <name> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count> + +# Normal system devices +/dev/mem c 640 0 0 1 1 0 0 - +/dev/kmem c 640 0 0 1 2 0 0 - +/dev/null c 666 0 0 1 3 0 0 - +/dev/zero c 666 0 0 1 5 0 0 - +/dev/random c 666 0 0 1 8 0 0 - +/dev/urandom c 666 0 0 1 9 0 0 - +/dev/ram b 640 0 0 1 1 0 0 - +/dev/ram b 640 0 0 1 0 0 1 4 +/dev/loop b 640 0 0 7 0 0 1 2 +/dev/rtc c 640 0 0 10 135 - - - +/dev/console c 666 0 0 5 1 - - - +/dev/tty c 666 0 0 5 0 - - - +/dev/tty c 666 0 0 4 0 0 1 8 +/dev/ttyp c 666 0 0 3 0 0 1 10 +/dev/ptyp c 666 0 0 2 0 0 1 10 +/dev/ptmx c 666 0 0 5 2 - - - +/dev/ttyP c 666 0 0 57 0 0 1 4 +/dev/ttyS c 666 0 0 4 64 0 1 4 +/dev/fb c 640 0 5 29 0 0 1 4 +#/dev/ttySA c 666 0 0 204 5 0 1 3 +/dev/psaux c 666 0 0 10 1 0 0 - +#/dev/ppp c 666 0 0 108 0 - - - +/dev/ttyAM c 666 0 0 204 16 0 1 3 +/dev/ttyCPM c 666 0 0 204 46 0 1 4 +/dev/ttyAMA c 666 0 0 204 64 0 1 4 +/dev/ttySAC c 666 0 0 204 64 0 1 4 +/dev/ttySC c 666 0 0 204 8 0 1 6 +/dev/ttyPSC c 666 0 0 204 148 0 1 4 +/dev/ttyUL c 666 0 0 204 187 0 1 4 +/dev/ttymxc c 666 0 0 207 16 0 1 3 + +# Input stuff +/dev/input d 755 0 0 - - - - - +/dev/input/mice c 640 0 0 13 63 0 0 - +/dev/input/mouse c 660 0 0 13 32 0 1 4 +/dev/input/event c 660 0 0 13 64 0 1 4 +#/dev/input/js c 660 0 0 13 0 0 1 4 + + +# MTD stuff +/dev/mtd c 640 0 0 90 0 0 2 4 +/dev/mtdblock b 640 0 0 31 0 0 1 4 + +#Tun/tap driver +/dev/net d 755 0 0 - - - - - +/dev/net/tun c 660 0 0 10 200 - - - + +# Audio stuff +#/dev/audio c 666 0 29 14 4 - - - +#/dev/audio1 c 666 0 29 14 20 - - - +#/dev/dsp c 666 0 29 14 3 - - - +#/dev/dsp1 c 666 0 29 14 19 - - - +#/dev/sndstat c 666 0 29 14 6 - - - + +# User-mode Linux stuff +#/dev/ubda b 640 0 0 98 0 0 0 - +#/dev/ubda b 640 0 0 98 1 1 1 15 + +# IDE Devices +/dev/hda b 640 0 0 3 0 0 0 - +/dev/hda b 640 0 0 3 1 1 1 15 +/dev/hdb b 640 0 0 3 64 0 0 - +/dev/hdb b 640 0 0 3 65 1 1 15 +#/dev/hdc b 640 0 0 22 0 0 0 - +#/dev/hdc b 640 0 0 22 1 1 1 15 +#/dev/hdd b 640 0 0 22 64 0 0 - +#/dev/hdd b 640 0 0 22 65 1 1 15 +#/dev/hde b 640 0 0 33 0 0 0 - +#/dev/hde b 640 0 0 33 1 1 1 15 +#/dev/hdf b 640 0 0 33 64 0 0 - +#/dev/hdf b 640 0 0 33 65 1 1 15 +#/dev/hdg b 640 0 0 34 0 0 0 - +#/dev/hdg b 640 0 0 34 1 1 1 15 +#/dev/hdh b 640 0 0 34 64 0 0 - +#/dev/hdh b 640 0 0 34 65 1 1 15 + +# SCSI Devices +/dev/sda b 640 0 0 8 0 0 0 - +/dev/sda b 640 0 0 8 1 1 1 15 +/dev/sdb b 640 0 0 8 16 0 0 - +/dev/sdb b 640 0 0 8 17 1 1 15 +#/dev/sdc b 640 0 0 8 32 0 0 - +#/dev/sdc b 640 0 0 8 33 1 1 15 +#/dev/sdd b 640 0 0 8 48 0 0 - +#/dev/sdd b 640 0 0 8 49 1 1 15 +#/dev/sde b 640 0 0 8 64 0 0 - +#/dev/sde b 640 0 0 8 65 1 1 15 +#/dev/sdf b 640 0 0 8 80 0 0 - +#/dev/sdf b 640 0 0 8 81 1 1 15 +#/dev/sdg b 640 0 0 8 96 0 0 - +#/dev/sdg b 640 0 0 8 97 1 1 15 +#/dev/sdh b 640 0 0 8 112 0 0 - +#/dev/sdh b 640 0 0 8 113 1 1 15 +#/dev/sg c 640 0 0 21 0 0 1 15 +#/dev/scd b 640 0 0 11 0 0 1 15 +#/dev/st c 640 0 0 9 0 0 1 8 +#/dev/nst c 640 0 0 9 128 0 1 8 +#/dev/st c 640 0 0 9 32 1 1 4 +#/dev/st c 640 0 0 9 64 1 1 4 +#/dev/st c 640 0 0 9 96 1 1 4 + +# USB block devices (ub driver) +/dev/uba b 640 0 0 180 0 0 0 - +/dev/uba b 640 0 0 180 1 1 1 6 +/dev/ubb b 640 0 0 180 8 0 0 - +/dev/ubb b 640 0 0 180 65 1 1 6 + +# Floppy disk devices +#/dev/fd b 640 0 0 2 0 0 1 2 +#/dev/fd0d360 b 640 0 0 2 4 0 0 - +#/dev/fd1d360 b 640 0 0 2 5 0 0 - +#/dev/fd0h1200 b 640 0 0 2 8 0 0 - +#/dev/fd1h1200 b 640 0 0 2 9 0 0 - +#/dev/fd0u1440 b 640 0 0 2 28 0 0 - +#/dev/fd1u1440 b 640 0 0 2 29 0 0 - +#/dev/fd0u2880 b 640 0 0 2 32 0 0 - +#/dev/fd1u2880 b 640 0 0 2 33 0 0 - + +# All the proprietary cdrom devices in the world +#/dev/aztcd b 640 0 0 29 0 0 0 - +#/dev/bpcd b 640 0 0 41 0 0 0 - +#/dev/capi20 c 640 0 0 68 0 0 1 2 +#/dev/cdu31a b 640 0 0 15 0 0 0 - +#/dev/cdu535 b 640 0 0 24 0 0 0 - +#/dev/cm206cd b 640 0 0 32 0 0 0 - +#/dev/sjcd b 640 0 0 18 0 0 0 - +#/dev/sonycd b 640 0 0 15 0 0 0 - +#/dev/gscd b 640 0 0 16 0 0 0 - +#/dev/sbpcd b 640 0 0 25 0 0 0 - +#/dev/sbpcd b 640 0 0 25 0 0 1 4 +#/dev/mcd b 640 0 0 23 0 0 0 - +#/dev/optcd b 640 0 0 17 0 0 0 - + +# I2C device nodes +/dev/i2c- c 666 0 0 89 0 0 1 4 |