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fs: change the way the device table is configured

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Until now, the location of the device table was specified by a
variable in board Makefiles. Unfortunately, this variable is not
accessible from fs/common.mk, since the target/ code is included
*after* fs/common.mk.

Anyway, the general idea is to move away from these boards Makefile,
and provide configuration option for things like the device table
location.

Therefore, this patch adds a BR2_ROOTFS_DEVICE_TABLE option which
allows to specify which device table should be used.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
This commit is contained in:
Thomas Petazzoni 2010-04-17 03:26:16 +02:00
parent e5da1b8520
commit 64ec20e6c0
2 changed files with 11 additions and 2 deletions
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8
fs/Config.in
View File

@ -15,6 +15,14 @@ config BR2_ROOTFS_POST_BUILD_SCRIPT
only argument. Make sure the exit code of that script is 0, only argument. Make sure the exit code of that script is 0,
otherwise make will stop after calling it. otherwise make will stop after calling it.
config BR2_ROOTFS_DEVICE_TABLE
string "Path to the device table"
default "target/generic/device_table.txt"
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.
source "fs/cramfs/Config.in" source "fs/cramfs/Config.in"
source "fs/cloop/Config.in" source "fs/cloop/Config.in"
source "fs/ext2/Config.in" source "fs/ext2/Config.in"

5
fs/common.mk
View File

@ -28,6 +28,7 @@
# macro will automatically generate a compressed filesystem image. # macro will automatically generate a compressed filesystem image.
FAKEROOT_SCRIPT = $(BUILD_DIR)/_fakeroot.fs FAKEROOT_SCRIPT = $(BUILD_DIR)/_fakeroot.fs
ROOTFS_DEVICE_TABLE = $(call qstrip,$(BR2_ROOTFS_DEVICE_TABLE))
define ROOTFS_TARGET_INTERNAL define ROOTFS_TARGET_INTERNAL
@ -38,8 +39,8 @@ $(BINARIES_DIR)/rootfs.$(1): $(ROOTFS_$(2)_DEPENDENCIES) host-fakeroot makedevs
touch $(BUILD_DIR)/.fakeroot.00000 touch $(BUILD_DIR)/.fakeroot.00000
cat $(BUILD_DIR)/.fakeroot* > $(FAKEROOT_SCRIPT) cat $(BUILD_DIR)/.fakeroot* > $(FAKEROOT_SCRIPT)
echo "chown -R 0:0 $(TARGET_DIR)" >> $(FAKEROOT_SCRIPT) echo "chown -R 0:0 $(TARGET_DIR)" >> $(FAKEROOT_SCRIPT)
ifneq ($(TARGET_DEVICE_TABLE),) ifneq ($(ROOTFS_DEVICE_TABLE),)
echo "$(HOST_DIR)/usr/bin/makedevs -d $(TARGET_DEVICE_TABLE) $(TARGET_DIR)" >> $(FAKEROOT_SCRIPT) echo "$(HOST_DIR)/usr/bin/makedevs -d $(ROOTFS_DEVICE_TABLE) $(TARGET_DIR)" >> $(FAKEROOT_SCRIPT)
endif endif
echo "$(ROOTFS_$(2)_CMD)" >> $(FAKEROOT_SCRIPT) echo "$(ROOTFS_$(2)_CMD)" >> $(FAKEROOT_SCRIPT)
chmod a+x $(FAKEROOT_SCRIPT) chmod a+x $(FAKEROOT_SCRIPT)