gazing into the abyss
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THOUGHTS.txt
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THOUGHTS.txt
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@ -3586,3 +3586,58 @@ code to check the decompressed size, so that doesn't help at all. But
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booting a zImage works fine. I am committing a first pass of
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modules/outputs/tftpbootlz.nix which does this using a lot of
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copy-paste and (ironically) no lzma stuff at all.
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Sun Dec 17 16:25:30 GMT 2023
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it's started failing to mount root on arm32 because it's not recognising
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the reserved-memory and something is trashing the phram filesystem
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reserved-memory {
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phram-rootfs {
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reg = <0x1400000 0x1900000>;
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compatible = "phram";
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};
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};
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Sun Dec 17 17:13:54 GMT 2023
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* We need to write the fdt phram differently on 64 bit vs 32 bit
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(address-cells and size-cells should be 2 or 1)
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* this might be why it wasn't working on mips (can we test this
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somehow in qemu or do we need to plug a device in?)
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qemu user-mode networking has a builtin tftp server.
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so we need a test that builds the tftpboot target for each qemu arch,
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and then does run-liminix-vm with the --lan and --u-boot options, then
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drives it with expect
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* maybe tftpboot[lz] could be reintegrated with the regular one somehow
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Fri Dec 22 15:11:35 GMT 2023
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We have a working test for tftpboot, on all platforms, which took a
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while.
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* tftpbootlz needs to be updated with what we learned, or merged
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back into it
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* omnia install
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- build a stripped-down installer image which can be put on a
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usb stick
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- from openwrt on the device, use fw_setenv to set boot order
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- boot into the installer image
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- reformat the emmc as per requirements
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- ???
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- profit
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the missing step might be to do a cpio from installer onto
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the emmc
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or something with chroot
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is levitate useful here?
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