| Commit message (Collapse) | Author | Age | Files | Lines |
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Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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It'd be nice to include arbitrary format strings here, so do a
taloc_vasprintf in update_status.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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We need boot_task for kexec_reboot.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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This change replaces the pb_run_cmd() function with proper usage of the
process API.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Replace pb_run_cmd_pipe with process_create / process_run_sync.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Rather than using the stack for struct boot_task, talloc one instead.
This gives us a short-lived context (active for the boot() process
only), and we don't need to use the externally-provided context
directly.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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If the boot image fails to load, we end up calling talloc_free on an
unitialised are of stack (boot_task.local_initrd).
Move the initialisers a little earlier, so we always NULL pointers
before potentially freeing.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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By exiting with status == 2, boot hooks can update boot data by
printing name=value to stdout.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Add a method of running pre-boot hooks. Executable files in
/etc/petitboot/boot.d/ are run (in order) before we start the boot
process.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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This keeps all the boot-specific details in one place.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Updates & fixes by Jeremy Kerr <jk@ozlabs.org>.
Signed-off-by: Geoff Levand <geoff@infradead.org>
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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If we're booting from a default option, we don't have a boot command.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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`kexec -e` will just call shutdown, which we've already tried, so it's
likely to fail. Add a further fallback to force a kexec with -e -f
options.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Now what we have protocol support, send status updates during the boot
process.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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This change switches the parsers over to populate the resources in
discover_boot_option, rather than the string parameters in boot_option.
To do this, we need a few things:
* Add struct resources to discover_boot_option for the boot_image,
initrd and icon data.
* Have the parsers populate the resources, rather than the strings.
Currently, parsers can all use the devpath resource type.
* Add a resolve_resource callback to parsers; this is how the device
handler will attempt to resolve resources.
* Change load_file to load_url, as we should be only accessing
(resolved) resources by URLs.
This then allows us to remove the mount map, and associated lookup code,
as well as the UUID and label links to devices.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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discover/boot.c: In function ‘boot’:
discover/boot.c:153:13: error: ‘local_initrd’ may be used uninitialized in this function [-Werror=maybe-uninitialized]
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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Fix typo in boot() routine.
Signed-off-by: Geoff Levand <geoff@infradead.org>
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This change moves the boot-via-kexec functionality from the UIs to the
discover server.
On the UI side: rather than run kexec directly, we just send a message
to the discover server. Because this is generic discover client
functionality, we no longer need the boot callbacks in the twin- and
ncurses-specific code.
We also remove the kexec and URL-loading code from the UIs, and add it
to the discover server code, in paths.c. We expose this to the server
though a new function:
load_path(void *, const char *, unsigned int *);
On the server side, we simply move hook up the boot() function to use
the load_file and kexec calls.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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This change adds a funtion, device_handler_boot, which processes the
boot command message from the discover server.
We add a new file, discover/boot.c (and a corresponding header) with a
skeleton for the final kexec code.
Signed-off-by: Jeremy Kerr <jk@ozlabs.org>
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