WIP
parent
95d9e014fb
commit
55fa9992d4
78
THOUGHTS.txt
78
THOUGHTS.txt
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@ -3442,16 +3442,88 @@ diskimage {
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partitionType = "mtd" ; # or "mbr" or maybe "gpt"
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partitions = [ o.uimage o.rootfs ];
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}
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for the turris we need to check but proceeding on the assumption
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it wants a tarball with extlinux enabled
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it wants a tarball with extlinux enabled
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https://docs.turris.cz/geek/schnapps/schnapps/#export-and-import
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https://wiki.turris.cz/en/howto/omnia_booting_from_external_storage
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if we adopt this as our installation format then we are not
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reformatting the flash and will keep the btrfs that the device
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was shipped with.
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was shipped with.
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https://forum.turris.cz/t/update-to-5-1-x-by-medkit/13986/12
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suggests that we could install a custom medkit from the
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vendor OS
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=> btrsubvol mmc 0:1
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ID 257 parent 5 name /@
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ID 259 parent 5 name /@factory
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there don't seem to be any other btr commands in u-boot
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Tue Dec 12 14:38:53 GMT 2023
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env_set_ulong("omnia_reset", reset_status);
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const char * const vars[3] = {
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"bootcmd",
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"bootdelay",
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"distro_bootcmd",
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};
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/*
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* Set the above envs to their default values, in case the user
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* managed to break them.
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*/
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env_set_default_vars(3, (char * const *)vars, 0);
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env_set("boot_targets", "rescue");
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// reset boot_targets to default value.
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Tue Dec 12 22:44:34 GMT 2023
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The hold-down-reset-until-n-leds-flash support depends quite heavily
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on the post-boot Linux environment, in that it appears to be passing
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omniarescue=3 rescue_mode=3 to the kernel command line -> pid 1
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cmdline
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On the other hand, it is described as being able to boot from usb
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stick if there's a boot.scr on the usb stick, so maybe we just do
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that. The installation process could then be "boot usb, dd the
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disk image to mmc, reboot, remove usb, realise we got the wrong root=".
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Hmm.
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* Could we edit extlinux.conf for first boot? But bear in mind it's a
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link to a store file.
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* Could we have extlinux.conf point at mmc0 and somehow override it for the
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usb stick boot?
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* Could preinit try multiple root mounts until it gets one that works?
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* maybe we could detect omniarescue on kernel command line and switch to
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usb root?
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* maybe outputs.usbstick could generate a customised rootfs image?
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it might be unworkable to
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(narrator: it boots from mmc0 first and usb stick second, so that's not
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particularly useful)
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Device 0: Vendor: SanDisk Rev: 1.00 Prod: Cruzer Blade
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Type: Removable Hard Disk
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Capacity: 7632.0 MB = 7.4 GB (15630336 x 512)
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... is now current device
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Scanning usb 0:1...
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No EFI system partition
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fdt_find_or_add_subnode: chosen: FDT_ERR_BADSTRUCTURE
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ERROR: /chosen node create failed
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- must RESET the board to recover.
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@ -89,7 +89,7 @@
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NET_DSA_MV88E6XXX = "y"; # depends on PTP_1588_CLOCK_OPTIONAL
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};
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};
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rootfsType = "ext4";
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boot = {
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commandLine = [
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"console=ttyS0,115200"
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@ -115,7 +115,7 @@
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};
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};
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};
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boot.tftp.loadAddress = lim.parseInt "0x01800000";
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hardware = let
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mac80211 = pkgs.mac80211.override {
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drivers = ["ath9k_pci" "ath10k_pci"];
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@ -124,6 +124,7 @@
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in {
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defaultOutput = "mtdimage";
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loadAddress = lim.parseInt "0x00008000";
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entryPoint = lim.parseInt "0x00008000";
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rootDevice = "/dev/mtdblock0";
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dts = {
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@ -44,7 +44,6 @@ in rec {
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../modules/ntp
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../modules/ssh
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];
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rootfsType = "jffs2";
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hostname = "rotuer";
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services.hostap = svc.hostapd.build {
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@ -182,4 +181,8 @@ in rec {
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defaultProfile.packages = with pkgs; [
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min-collect-garbage
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];
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programs.busybox.applets = [
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"fdisk" "sfdisk"
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];
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}
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14
overlay.nix
14
overlay.nix
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@ -214,4 +214,18 @@ extraPkgs // {
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CONFIG_BOOTMETH_DISTRO=y
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'';
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};
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# gnufdisk = prev.gnufdisk.override {
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# guile = null;
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# };
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# util-linux = prev.util-linux.override {
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# ncursesSupport = false;
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# pamSupport = false;
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# systemdSupport = false;
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# nlsSupport = false;
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# translateManpages = false;
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# capabilitiesSupport = false;
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# };
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}
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