| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch does probably too much, but it's hard (and very
cumbersome/time consuming) to break it out. What is does is this:
* each command has one short description, e.g. "list MUX configuration"
* made sure the short descriptions start lowercase
* each command has one usage. That string contains just the
options, e.g. "[-npn]". It's not part of the long help text.
* that is, it doesn't say "[OPTIONS]" anymore, every usable option
is listed by character in this (short) option string (the long
description is in the long help text, as before)
* help texts have been reworked, to make them
- sometimes smaller
- sometimes describe the options better
- more often present themselves in a nicer format
* all long help texts are now created with BUSYBOX_CMD_HELP_
macros, no more 'static const __maybe_unused char cmd_foobar_help[]'
* made sure the long help texts starts uppercase
* because cmdtp->name and cmdtp->opts together provide the new usage,
all "Usage: foobar" texts have been removed from the long help texts
* BUSYBOX_CMD_HELP_TEXT() provides the trailing newline by itself, this
is nicer in the source code
* BUSYBOX_CMD_HELP_OPT() provides the trailing newline by itself
* made sure no line gets longer than 77 characters
* delibertely renamed cmdtp->usage, so that we can get compile-time
errors (e.g. in out-of-tree modules that use register_command()
* the 'help' command can now always emit the usage, even without
compiled long help texts
* 'help -v' gives a list of commands with their short description, this
is similar like the old "help" command before my patchset
* 'help -a' gives out help of all commands
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The old output of "help" was just producing a long list, that usually
scrolled of the screen (even on a X11 terminal). This list is more
compact, and also sorted by groups.
The old output format (plus grouping) is now available with 'help -v'.
Example:
Information commands:
?, devinfo, help, iomem, meminfo, version
Boot commands:
boot, bootm, go, loadb, loads, loadx, loady, saves, uimage
...
Signed-off-by: Holger Schurig <holgerschurig@gmail.com>
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 boards often have a sane default for the hostname. Provide a C
function for setting/getting it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Calling globalvar_add_simple() and setting a value is more than common.
Add a parameter for the initial value.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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When the dhcp code discovered the tftp-server-name option it immediately
tries to resolve the name. This can't succeed since the we are somewhere
in the dhcp processing and the nameserver may not even be known.
Fix this by resolving the name when dhcp is completed. While at it, do
this in a way that net_set_serverip is only called when resolv() returns
something useful. Otherwise we may end up overwriting a previously
configured serverip which came from the bootp bp_siaddr field.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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the dhcp command will return with 0 when ctrl-c is pressed. Fix this to
-EINTR instead.
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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via -r opt, global.dhcp.retries or dhcp_retries
set the priority order;
This will allow to do not stay infinite loop if no dhcp available
for boot sequence as example
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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This will allow to only update a var if recive a valid data.
This is need for hostname.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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This way you can specify as previously set the dhcp parameter via global.dhcp.xxx
and get the result via global.dhcp.xxx
This is need for the defaultenv-2 to add the bootp suppport.
Use it on defaultenv too to have only one set of var.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Udpate dhcp with it too.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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improve complete support
The following patch serie improve the complete support
by adding a complete framework to allow commands complete support.
The add also car complete support for eval and setting and executable
file support
This also include an update of the stringlist API to support asprintf
API
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for cpuinfo, clear, dhcp, false, login, lsmod, meminfo, passwd, pwd, reginfo,
reset, true, usb, version
for mach-imx and mach-mxs: dump_clocks
for u_serial: mycdev
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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The dhcp command starts with an unitialized start time. The start
time is often long in the past which results in an immediate timeout
and resend of the dhcp packet. Fix this by initializing the start time
correctly.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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The nameserver and domainname are now globally available using
the 'net' device. Use it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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DHCP option 224 to 254 are for private use, so use one.
Export it via env dhcp_oftree_file.
E.g. the ISC dhcp server can be configured with
| option oftree-path code 224 = string
| class "at91sam9x5ek" {
| match if substring (option vendor-class-identifier,0,20) = "barebox-at91sam9x5ek";
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| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage";
| option tftp-server-name "192.168.200.98";
| option root-path "192.168.200.98:/opt/work/buildroot/build/sam9x5/target";
| option oftree-path "/tftpboot/atmel/at91sam9x5/sam9x5ek/sam9g25ek/dtb";
| }
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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For net boot setups it is useful to submit boot params like server or
bootfile over dhcp. To distinguish diffrent type of OS running on the same hardware,
a custom vendor id can be sent in dhcp discover/request messages.
E.g. the ISC dhcp server can be configured with
| option client-uuid code 97 = { unsigned integer 8, string };
| class "at91sam9x5ek" {
| match if substring (option vendor-class-identifier,0,20) = "barebox-at91sam9x5ek";
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| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage";
| if substring (option dhcp-client-identifier,0,7) = "ser2net" {
| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage-ser2net";
| }
| if substring (option client-uuid,0,7) = "test" {
| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage-ser2net";
| }
| if substring (option user-class,0,4) = "toto" {
| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage-toto";
| }
| option tftp-server-name "192.168.200.98";
| option option-150 192.168.200.98;
| next-server 192.168.200.98;
| option root-path "192.168.200.98:/opt/work/buildroot/build/sam9x5/target";
| }
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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For net boot setups it is useful to submit boot params like server or
bootfile over dhcp. To distinguish diffrent type of OS running on the same hardware,
a custom client uuid can be sent in dhcp discover/request messages.
E.g. the ISC dhcp server can be configured with
| option client-uuid code 97 = { unsigned integer 8, string };
| class "at91sam9x5ek" {
| match if substring (option vendor-class-identifier,0,20) = "barebox-at91sam9x5ek";
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| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage";
| if substring (option dhcp-client-identifier,0,7) = "ser2net" {
| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage-ser2net";
| }
| if substring (option client-uuid,0,7) = "test" {
| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage-ser2net";
| }
| option tftp-server-name "192.168.200.98";
| option option-150 192.168.200.98;
| next-server 192.168.200.98;
| option root-path "192.168.200.98:/opt/work/buildroot/build/sam9x5/target";
| }
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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For net boot setups it is useful to submit boot params like server or
bootfile over dhcp. To distinguish diffrent type of OS running on the same hardware,
a custom client id can be sent in dhcp discover/request messages.
E.g. the ISC dhcp server can be configured with
| class "at91sam9x5ek" {
| match if substring (option vendor-class-identifier,0,20) = "barebox-at91sam9x5ek";
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| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage";
| if substring (option dhcp-client-identifier,0,7) = "ser2net" {
| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage-ser2net";
| }
| option tftp-server-name "192.168.200.98";
| option option-150 192.168.200.98;
| next-server 192.168.200.98;
| option root-path "192.168.200.98:/opt/work/buildroot/build/sam9x5/target";
| }
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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This will allow to add more easly new option with less impact in the binary.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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if the DNS is enable resolve it. The server ip will be set if no server ip it
is set in the bootp.
Export it via env dhcp_tftp_server_name.
E.g. the ISC dhcp server can be configured with
| class "at91sam9x5ek" {
| match if substring (option vendor-class-identifier,0,20) = "barebox-at91sam9x
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| filename "/tftpboot/atmel/at91sam9x5/sam9x5ek/zImage";
| option tftp-server-name "192.168.200.98";
| option root-path "192.168.200.98:/opt/work/buildroot/build/sam9x5/target";
| }
| }
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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Instead of using a static switch case the handle the received option
use an array of supported option.
This will allow to unset the env var without duplicating the code.
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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For net boot setups it is useful to submit boot params like server or
bootfile over dhcp. To distinguish barebox from e.g. pxe machines,
a custom vendor id can be sent in dhcp discover/request messages.
E.g. the ISC dhcp server can be configured with
| if substring(option vendor-class-identifier,0,8) = "barebox:" {
| next-server 192.168.3.24;
| server-name "192.168.3.24";
| option tftp-server-name "192.168.3.24";
| option root-path = concat("/srv/sysroots/by-mac/",
| binary-to-ascii (16, 8, "-", substring (hardware, 1, 6)));
| }
to sent boot params which are valid for barebox hosts only.
Signed-off-by: Enrico Scholz <enrico.scholz@sigma-chemnitz.de>
Jean-Christophe PLAGNIOL-VILLARD:
- update the use dhcp command option
- support to set the vendor via env dhcp_vendor_id
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This is unused in all commands and thus can be removed.
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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This is not yet used, but with this the different network
commands can get rid of their global data.
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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Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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This has been done with the following script:
find -path ./.git -prune -o -type f -print0 | xargs -0 -r sed -i \
-e 's/u2boot/barebox/g' \
-e 's/U2Boot/barebox/g' \
-e 's/U-boot V2/barebox/g' \
-e 's/u-boot v2/barebox/g' \
-e 's/U-Boot V2/barebox/g' \
-e 's/U-Boot-v2/barebox/g' \
-e 's/U_BOOT/BAREBOX/g' \
-e 's/UBOOT/BAREBOX/g' \
-e 's/uboot/barebox/g' \
-e 's/u-boot/barebox/g' \
-e 's/u_boot/barebox/g' \
-e 's/U-Boot/barebox/g' \
-e 's/U-boot/barebox/g' \
-e 's/U-BOOT/barebox/g'
find -path ./.git -prune -o \( -name "*u-boot*" -o -name "*uboot*" -o -name "*u_boot*" \) -print0 | \
xargs -0 -r rename 's/u[-_]?boot/barebox/'
It needs some manual fixup following in the next patch
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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No need to check for maximum argument counts. The commands are
safe to be called with more arguments, so lets safe some bytes.
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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move contents of bootp.h to .c file and remove it.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
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