This allows to use the watchdog in custom scripts but does not enforce
that the OS has to support it as well.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Add Pali and Marek as another authors of the kwboot utility.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Change kwboot_img_patch() to avoid code repetition of setting errno to
EINVAL.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
The kwboot utility does not handle EAGAIN / EBUSY errors, it expects
blocking mode on tty - it uses select() to check if data is available.
Disable non-blocking mode by clearing O_NDELAY flag which was set by
open().
We can't just take O_NDELAY from open(), because it is required there
until the CLOCAL flag is set on the tty.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Function kwboot_tty_recv() has its own handling of read timeout, we
don't need to do set it in tty settings.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Retrieve current terminal settings via tcgetattr(), set to raw mode with
cfmakeraw(), enable receiver via CREAD and ignore modem control lines
via CLOCAL.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
The tcsetattr() function can return 0 even if baudrate was not changed.
Check whether baudrate was changed to requested value, and in case of
arbitrary baudrate, check whether the set value is within 3% tolerance.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
The A38x platform supports more baudrates than just those defined by the
Bn constants, and some of them are higher than the highest Bn baudrate
(the highest is 4 MBd while A38x support 5.15 MBd).
On Linux, add support for arbitrary baudrates. (Since there is no
standard POSIX API to specify arbitrary baudrate for a tty device, this
change is Linux-specific.)
We need to use raw TCGETS2/TCSETS2 or TCGETS/TCSETS ioctls with the
BOTHER flag in struct termios2/termios, defined in Linux headers
<asm/ioctls.h> (included by <sys/ioctl.h>) and <asm/termbits.h>. Since
these headers conflict with glibc's header file <termios.h>, it is not
possible to use libc's termios functions and we need to reimplement them
via ioctl() calls.
Note that the Bnnn constants from <termios.h> need not be compatible
with Bnnn constants from <asm/termbits.h>.
Signed-off-by: Pali Rohár <pali@kernel.org>
[ termios macros rewritten to static inline functions (for type control)
and moved to tools/termios_linux.h ]
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Add support for uploading the boot image (the data part only) at higher
baudrate than the standard one.
The kwboot utility already has -B option, but choosing other baudrate
than the standard one (115200 Bd) can only work for debug mode, not for
booting the device. The BootROM for kwboot supported platforms (Orion,
Kirkwood, Dove, Discovery, AXP, A37x, A38x, A39x) cannot change the
baudrate when uploading boot image via the Xmodem protocol, nor can it
be configured via strapping pins.
So instead we add this support by injecting baudrate changing code into
the kwbimage v1 header as a new optional binary extension. This code is
executed by BootROM after it receives the whole header. The code sends
the magic string "$baudratechange\0" just before changing the baudrate
to let kwboot know that it should also change it. This is because the
injected code is run as the last binary extension, and we do not want
to loose possible output from other possible binary extensions that
came before it (in most cases this is U-Boot SPL).
We also inject the code before the payload (the data part of the image),
to change the baudrate back to the standard value, in case the payload
does not reset UART.
This change improves boot time via UART significantly (depending on the
chosen baudrate), which is very useful when debugging.
Signed-off-by: Pali Rohár <pali@kernel.org>
[ major refactor ]
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Explicitly check the image size against size of struct main_hdr_v1.
This way the check is more readable, since the `hdrsz` variable
may semantically contain another value.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
The beginning of image data must be sent in a separate xmodem block;
the block must not contain end of header with the beginning of data.
Therefore we need to ensure that the image header size is a multiple of
xmodem block size (which is 128 B).
Read the file into a malloc()ed buffer of enough size instead of
mmap()ing it. (If we are going to move the data, most of the pages will
be dirty anyway.) Then move the payload if header size needs to be
increased.
Signed-off-by: Pali Rohár <pali@kernel.org>
[ refactored ]
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
These structures are relevant for several other platforms, mention them
all.
Signed-off-by: Pali Rohár <pali@kernel.org>
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Add functions kwbheader_size() and kwbheader_size_for_csum().
Refactor code determining header size to use these functions.
Refactor header checksum determining function.
Remove stuff that is not needed anymore.
This simplifies the code a little and fixes one instance of validating
header size meant for checksum instead of whole header size.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Rename this function to kwbimage_version() and don't cast argument if
not needed.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
SPI/NOR kwbimage may have destination address set to 0xFFFFFFFF, which
means that the image is not downloaded to DDR but rather it is executed
directly from SPI/NOR. In this case execution address is set to SPI/NOR
area.
When patching image to UART type, change destination and execution
addresses from SPI/NOR XIP area to DDR area 0x00800000 (which is default
for A38x).
Signed-off-by: Pali Rohár <pali@kernel.org>
[ refactored ]
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Some image types have source address in non-bytes unit; for example for
SATA images, it is in 512 B units.
We need to multiply by unit size when patching image type to UART.
Signed-off-by: Pali Rohár <pali@kernel.org>
[ refactored ]
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
It is not possible to modify image with secure header due to
cryptographic signature.
Signed-off-by: Pali Rohár <pali@kernel.org>
[ refactored ]
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Create macro
for_each_opt_hdr_v1
and functions
opt_hdr_v1_size(),
opt_hdr_v1_valid_size(),
opt_hdr_v1_ext(),
opt_hdr_v1_first() and
opt_hdr_v1_next()
to simplify iteration over version 1 optional headers.
This prevents ugly code repetition and makes it nicer to read.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
The kwboot_img_patch_hdr() function already decides if header patching
is needed. Always call this function and deprecate the unneeded command
line option `-p`.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
After kwboot sends EOT, BootROM sends back ACK. Add code for handling
this and retry sending EOT on error.
Signed-off-by: Pali Rohár <pali@kernel.org>
[ refactored ]
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Currently if BootROM fails to respond with ACK/NAK to a xmodem block, we
will be waiting indefinitely for such response.
Make sure that we only wait at most 1 second (blk_rsp_timeo) for ACK/NAK
for each block in case non-xmodem text output is not being expected.
Interpret this timeout expiration as NAK, to try to send the block
again.
On the other hand, if timeout expires without ACK while some non-xmodem
output was already received (DDR training output, for example), we know
that the block was received, since the code is being executed, so in
this case exit with ETIMEDOUT.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
When executing header code (which contains U-Boot SPL in most cases),
wait 10s after every non-xmodem character received (i.e. printed by
U-Boot SPL) before timing out.
Sometimes DDR training, which runs in SPL, may be slow.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
There is no separation between output from the code from binary header
(U-Boot SPL in most cases) and subsequent kwboot output.
Print '\n' to make distinguishing these two easier.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
When sending image header / image data, BootROM does not send any
non-xmodem text output. We should therefore interpret unknown bytes in
the xmodem protocol as errors and resend current packet. This should
improve the transfer in case there are errors on the UART line.
Text output from BootROM may only happen after whole image header is
sent and before ACK for the last packet of image header is received.
In this case BootROM may execute code from the image, which may interact
with UART (U-Boot SPL, for example, prints stuff on UART).
Print received non-xmodem output from BootROM only in this case.
Signed-off-by: Pali Rohár <pali@kernel.org>
[ refactored & simplified ]
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
This is a non-functional change that should make the code more readable.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
This change is required to implement other features in kwboot.
Split sending header and data parts of the image into two stages.
Signed-off-by: Pali Rohár <pali@kernel.org>
[ refactored ]
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
When progress was not completed, current terminal position is in progress
bar. So print newline before printing error message to make error message
more readable.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Ensure that `pos` is still in range up to the `width` so printing 100%
works also for bigger images. After printing 100% progress reset it to
zero, so that next progressbar can be started.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
The compiler complains that we are comparing int with size_t when
compiled with -W.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Function kwboot_xm_makeblock() always returns length of xmodem block. It
is always non-negative and calculated from variable with size_t type. Set
return type of this function to size_t and remove dead code which checks
for negative value.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
When kwboot_tty_recv() fails or times out, it does not set the `c`
variable to NAK. The variable is then compared, while it holds either
an undefined value or a value from previous iteration. Set `c` to NAK so
that the other side will try to resend current block, and remove the
now unnecessary break.
In other failure cases return immediately.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
Print kwboot's (U-Boot's) version when printing usage.
Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
There are 3 instances in kwboot.c where we need to write() a given
buffer whole (iteratively writing until all data are written), and 2 of
those instances are wrong, for they do not increment the buffer pointer.
Refactor the code into a new function kwboot_write() where it is fixed.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
The `in` variable is set to -1 in kwboot_terminal() if stdin is not a
tty. In this case we should not look whether -1 is set in fd_set, for it
can lead to a buffer overflow, which can be reproduced with
echo "xyz" | ./tools/kwboot -t /dev/ttyUSB0
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
On 32-bit ARM the compiler complains:
tools/kwbimage.c:547: warning: format ‘%lu’ expects argument of type
‘long unsigned int’, but argument 4 has
type ‘unsigned int’
Fix this by using %zu instead of %lu format specifier.
Signed-off-by: Marek Behún <marek.behun@nic.cz>
Reviewed-by: Stefan Roese <sr@denx.de>
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Merge tag 'dm-pull-next-27sep21' of https://source.denx.de/u-boot/custodians/u-boot-dm into next
Various of-platdata improvements, including CONFIG_OF_REAL
This function is available but not exported. More generally it does not
really work as intended.
Reimplement it and add a sandbox test too.
Signed-off-by: Simon Glass <sjg@chromium.org>
When printing full help output from a tool, we should be able to handle
a PAGER variable which includes arguments, e.g. PAGER='less -F'.
Signed-off-by: Paul Barker <paul.barker@sancloud.com>
Collect the code for printing the full help message of patman, buildman
and binman into a single function in patman.tools.
Signed-off-by: Paul Barker <paul.barker@sancloud.com>
genimage [1] is a tool to create flash/disk images. This is required
by some targets, e.g.: sifive_unleashed, to generate sdcard or spi-nor
images for real hardware, as well as U-Boot CI testing.
[1] https://github.com/pengutronix/genimage
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
At present U-Boot CI testing is still using QEMU 4.2.0 which is
pretty old. Let's bump up to QEMU 6.1.0.
ninja-build is added as the prerequisite required by QEMU 6.1.0.
Note there is a bug in QEMU 6.1.0 Xilinx Zynq UART emulation codes.
A quick fix [1] was posted on QEMU mailing list but it it too late
for 6.1.0 release. Let's manually apply the bug fix on top of the
v6.1.0 release tag at the time being.
[1] http://patchwork.ozlabs.org/project/qemu-devel/patch/20210823020813.25192-2-bmeng.cn@gmail.com/
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
