| Commit message (Collapse) | Author | Age | Files | Lines |
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cdev_mount_default() either mounts a cdev and returns the path it's
mounted to or directly returns the path when it already is mounted.
This will change in the next patch: When the cdev is already mounted
cdev_mount_default() will return -EBUSY instead. To let blspec
work when a cdev is already mounted check for the actual mount path
before trying to mount it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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For all files in common/ that already have a license text:
- Replace with appropriate SPDX-License-Identifier
- Remove empty comment lines around replacement
- remove comment completely if only thing remaining is name
of file without description
Reviewed-by: Roland Hieber <rhi@pengutronix.de>
Reviewed-by: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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barebox linux-appendroot option having the same bootspec file in
different partitions. boot -m will display the same title though,
which doesn't help readability. Append the name of the config
file to make the menu more useful in that case.
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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cdev is assigned for each loop iteration and consumed inside.
The initial value is never read, so drop it.
Reported-by: clang-analyzer-10
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Remove initialization of the verbose struct member, it will be
overwritten by the call to bootm_data_init_defaults(). Also remove
members which are initialized in the call.
Verbose should be enabled if either the argument or variable is set, so
|| both.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Configuration of the loadaddresses for image oftree and initrd can not
be done inside the bootloader spec yet, so using bootloader spec should
not override settings from the environment.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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strsep unlike strtok(_r) returns an empty string for each pair of
consecutive delimiters.
blspec_apply_oftree_overlay is not equipped to handle an empty
string and will attempt treating "abspath/" as device tree file.
Explicitly check for empty strings, so this doesn't happen.
Cc: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The Boot Loader Spec says:
"This key is optional and may appear more than once in which case all
specified parameters are used in the order they are listed."
Signed-off-by: Robert Karszniewicz <r.karszniewicz@phytec.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Yegor Yefremov <yegorslists@googlemail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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If a device tree overlay referenced by the blspec depends on firmware,
try to load the firmware from the default Linux firmware search path
/lib/firmware in the about to be started rootfs.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Read the devicetree-overlay property from the blspec entry and register
the overlays when booting the blspec entry.
Do not fail the boot if an overlay cannot be loaded, because if Linux
fails to boot without an overlay, the base device tree is broken.
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The list of boot entries can contain items that are not blspec entries.
For example, the bootchooser also adds an item to this list. Therefore,
blspec cannot unconditionally interpret entries as blspec entries.
The error is reproduced by listing the boot entries with the bootchooser
and a rootfs with blspec entries, e.g.:
boot -l bootchooser /mnt/nfs
Check if a bootentry is a blspec entry by testing if the boot function
is blspec_boot.
Reported-by: Thomas Hämmerle <Thomas.Haemmerle@wolfvision.net>
Signed-off-by: Michael Tretter <m.tretter@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Instead of removing all global bootm variables, remove only the ones
which will be set by the blspec entries. This allows setting the
bootm.tee variable to load OP-TEE for blspec entries or setting the
image load address.
Signed-off-by: Rouven Czerwinski <r.czerwinski@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The resolv() function used to return the IP address. When net_udp_new()
fails we return an error code though which the callers of resolv() take
as an IP address. This is wrong of course and we could return 0 in this
case. Instead we return an error code and pass the resolved IP as a
pointer which allows us to return proper error codes.
This patch also adds error messages and error returns to the various
callers of resolv() which used to just continue with a zero IP and
let the user figure out what went wrong.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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For filtering of Bootloader Spec entries, Bootloader Spec
specify an optional key machine-id. By set the
global.boot.machine-id variable the checking of machine-id
key in Bootloader Spec entries will be activate. If the
variable and key match, appropriate boot entry will be
booting. If it not match boot entry will be ignore and
barebox check the next boot entry.
Signed-off-by: Andreas Schmidt <mail@schmidt-andreas.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When trying to boot from a loop mount path, the blspec code passes a
NULL pointer to dev_name, because cdev->dev is not set for loop mounts:
unable to handle NULL pointer dereference at address 0x00000020
pc : [<4fe09e28>] lr : [<4fe02305>]
sp : 4ffef7c0 ip : 31b75c78 fp : 31b6a388
r10: 31b6a368 r9 : 315a4cac r8 : 00000001
r7 : 00000001 r6 : 311b8540 r5 : ffffffea r4 : 31b6a3f8
r3 : 00000000 r2 : 10000000 r1 : 00000001 r0 : 00000000
Flags: nzcv IRQs off FIQs off Mode SVC_32
[<4fe09e28>] (dev_id+0xc/0x38) from [<4fe02305>] (blspec_scan_directory+0x3e1/0x484)
[<4fe02305>] (blspec_scan_directory+0x3e1/0x484) from [<4fe02551>] (blspec_bootentry_provider+0x1d/0x3c)
[<4fe02551>] (blspec_bootentry_provider+0x1d/0x3c) from [<4fe0984b>] (bootentry_create_from_name+0x23/0xdc)
[<4fe0984b>] (bootentry_create_from_name+0x23/0xdc) from [<4fe246f9>] (do_boot+0x95/0x160)
[<4fe246f9>] (do_boot+0x95/0x160) from [<4fe032e9>] (execute_command+0x21/0x48)
[<4fe032e9>] (execute_command+0x21/0x48) from [<4fe088e3>] (run_list_real+0x56b/0x634)
[<4fe088e3>] (run_list_real+0x56b/0x634) from [<4fe08249>] (parse_stream_outer+0xd9/0x164)
[<4fe08249>] (parse_stream_outer+0xd9/0x164) from [<4fe08b6d>] (run_shell+0x31/0x60)
[<4fe08b6d>] (run_shell+0x31/0x60) from [<4fe032e9>] (execute_command+0x21/0x48)
[<4fe032e9>] (execute_command+0x21/0x48) from [<4fe088e3>] (run_list_real+0x56b/0x634)
[<4fe088e3>] (run_list_real+0x56b/0x634) from [<4fe085fd>] (run_list_real+0x285/0x634)
[<4fe444b9>] (unwind_backtrace+0x1/0x58) from [<4fe00b7d>] (panic+0x1d/0x34)
[<4fe00b7d>] (panic+0x1d/0x34) from [<4fe42a75>] (do_exception+0xd/0x10)
[<4fe42a75>] (do_exception+0xd/0x10) from [<4fe42ad5>] (do_data_abort+0x21/0x2c)
[<4fe42ad5>] (do_data_abort+0x21/0x2c) from [<4fe42394>] (do_abort_6+0x48/0x54)
Fix this by checking cdev->dev as well as cdev before calling dev_name.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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If the blspec entry does not specify a devicetree to test against,
it doesn't make any sense to check the compatible of the machine or
find the root node.
Instead of first testing the barebox devicetree check if the entry
specifies one.
Signed-off-by: Steffen Trumtrar <s.trumtrar@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
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Instead of using a global function called by
bootentry_create_from_name(), register blspec as bootentry
provider.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Convert users of ip_to_string() and print_IPaddr() to %pI4 and
remove the now unused functions.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The function returns a boolean and not an integer. Hence the former
explicit/implicit cast of an ERR_PTR to a boolean has led to a return value of
true although a bootspec entry with a faulty devicetree is not compatible.
Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Whenever of_unflatten_dtb() encountered an error it already released the memory
before returning the error code. Make this apparent by setting the pointer to
NULL to avoid an erroneus free.
Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Normally one should not be interested that the blspec code scans
a directory. In case blspec is not actively used it might even be
confusing, so lower priority of the message in blspec_scan_directory()
to pr_debug.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Since blspec_boot is now only used locally we can make it static. Move
it up to avoid a static declaration.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This completes the separation of the blspec code from the boot
code. With this the boot code only handles generic boot entries
of type struct bootentry which are embedded into the type
(blspec/bootscript) specific structs.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We currently have to special case blspec entries vs. boot scripts
in the common boot code since we want to print different informations
about them. This adds a 'title' and 'description' which can be filled
in with different information by bootscripts and blspec entries and
so we get rid of the special handling.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The code in common/boot.c collects the different boot entries in
lists of type struct blspec, eventhough many of them may not be
bootloader spec entries but for example boot scripts. This is the first
step of separating the data structures from boot entries and bootloader
spec: As struct blspec is merely a container for collecting boot entries
We simply rename struct blspec to struct bootentries. No functional change.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The majority of the stuff currently in include/boot.h is about bootm
code implemented common/bootm.c. To be more consistent move it to a
new file include/bootm.h.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is widely unused and in the way of subsequent cleanups. If you are
indeed using it please complain on the list, we'll find a solution to
add it back in a different way.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Our asprintf and vasprintf have different prototypes than the glibc
functions. This causes trouble when we want to share barebox code
with userspace code. Change the prototypes for (v)asprintf to match
the glibc prototypes. Since the current (v)asprintf are convenient
to use change the existing functions to b(v)asprintf.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The bootm code now can handle the adding of the root= option itself,
so drop the code and let bootm do it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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According to the bootloader spec these should be treated as comments.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When the last line in a config file has no newline then 'next' is NULL
on the the loop iteration. Check that before derefencing 'next'.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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putting an error pointer into strerror can be a bit confusing since
strerror takes a positive error code but PTR_ERR returns a negative
number, so we have to do strerror(-PTR_ERR(errp)). Some places got
this wrong already, so introduce a strerrorp function which directly
takes an error pointer.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This patch makes it possible to automatically add a suitable root= option
for booting Linux from the same filesystem on which the bootspec entry
has been found. This adds an additional 'linux-appendroot' option to
bootspec which if set to 'true' will cause barebox to automatically
add a root= option. This currently works for NFS, UBIFS and regular
block devices like ATA, SD/MMC using the root=PARTUUID= mechanism.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Conflicts:
drivers/mtd/core.c
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device_detect_by_name will automatically separate by colons now,
we no longer have to do this in the blspec code.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When blspec_scan_cdev finds an UBI device then attach it. This
allows us to boot blspec entries found on the UBIFS images inside
UBI volumes by pointing to the corresponding mtd partition.
With this we can do 'boot nand0.root' or even 'boot=nand0' on the
commandline.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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So that they get deleted later when something else is booted.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The warning is correct in that we pass in size_t instead
of int. As we are not interested in the size of the
property at this point, just remove the assignment.
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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We have our file helper functions in several places. Move them
all to lib/libfile.c.
With this we no longer have file helpers in fs/fs.c which contains
the core fs functions and no functions in lib/libbb.c which are
not from busybox.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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