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Merge pull request #139 from pitust/trunk

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fwcfg: document the feature
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mint 2021-11-29 22:08:18 +01:00 committed by GitHub
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CONFIG.md
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@ -6,6 +6,12 @@ Limine scans for a config file on *the boot drive*. Every partition on the boot
is scanned sequentially (first partition first, last partition last) for the presence
of either a `/limine.cfg`, `/boot/limine.cfg`, or a `/EFI/BOOT/limine.cfg` file, in that order.
If no config file is found in the aforementioned locations, Limine looks for the file on the fw_cfg
interface called `opt/org.limine-bootloader.config`. If that is not present and the kernel is found at
`opt/org.limine-bootloader.kernel`, Limine enters the so-called "simple mode", where the kernel is loaded from
`opt/org.limine-bootloader.kernel`, and, (if present), the background is loaded from
`opt/org.limine-bootloader.background`.
Once the file is located, Limine will use it as its config file. Other possible
candidates in subsequent partitions or directories are ignored.
@ -150,6 +156,7 @@ A resource can be one of the following:
* `guid` - The `root` takes the form of a GUID/UUID, such as `guid://736b5698-5ae1-4dff-be2c-ef8f44a61c52/...`. The GUID is that of either a filesystem, when available, or a GPT partition GUID, when using GPT, in a unified namespace.
* `uuid` - Alias of `guid`.
* `tftp` - The `root` is the IP address of the tftp server to load the file from. If the root is left empty (`tftp:///...`) the file will be loaded from the server Limine booted from. This resource is only available when booting off PXE.
* `fwcfg` - The `root` must be empty. The `path` refers to a fw_cfg filename to be loaded. The canonical place to put fw_cfg files is in the `opt/fqdn.<name>` namespace.
A URI can optionally be prefixed by a `$` character to indicate that the file
pointed to be the URI is a gzip-compressed payload to be uncompressed on the