parent
be2ec75a58
commit
bd017989ca
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@ -146,45 +146,8 @@ The *Intel* GPU variant of E6400 is more stable, and works fully, with full
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acceleration - the Nvidia models can only be run in software, and the BSD
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systems only have the slow `nv` driver (which is nonetheless stable).
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Obtaining the VGA Option ROM (Nvidia)
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-------------------------------------
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Libreboot does not (and will not) directly distribute the Nvidia ROM, but lbmk
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has logic added to vendor handle scripts, which automatically fetches Dell
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update files and extracts the Video BIOS from it. This is inserted during
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the build process, *automatically*. Everything has been figured out *for you*,
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as is the purpose of Libreboot's [automated build system](../maintain/).
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Provided for *after* the Libreboot 20230625 release, this Video BIOS ROM will
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*not* be present in releases, but you'll be able to run the same script that
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lbmk uses, to manually re-download and re-add it. The Libreboot build system
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scrubs certain vendor code, in the scripts from lbmk that create release
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archives.
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[Please read the Libreboot build guide](../build/) for more general guidance
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on compiling Libreboot. This is *required*, until the next release of Libreboot
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after 20230625 comes out.
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The `./build boot roms` command (see above) automatically inserts this PCI
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ROM, and it is downloaded automatically if the PCI ROM is missing; if
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downloading and/or extraction (of the Option ROM) fails, the entire build
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process will fail (non-zero exit status). DO NOT flash it until you confirm
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that the build went successfully. For example, try:
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make -BC src/coreboot/default/util/cbfstool/cbfstool
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cp src/coreboot/default/util/cbfstool/cbfstool .
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Then check the E6400 ROM under `bin/`. Let's say the ROM was
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named `libreboot.rom`, you would do:
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./cbfstool libreboot.rom print
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This would print the files that have been inserted into the ROM image (rom
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stage, car, payloads etc), and it should list the PCI option ROM as the
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following file, by name: `pci10de,06eb.rom`.
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DO NOT flash it unless that file is present. If you've confirmed that the ROM
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has compiled successfully, you can flash it.
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Nvidia errata
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-------------
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**BEFORE** you flash it, please know that support for Nvidia variants is
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a **proof of concept**. Known issues exist. For more information, please
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@ -655,7 +655,7 @@ VESA frame buffer (NOT to be confused with the coreboot frame buffer), or just
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normal text mode. Text mode startup is always recommended, and in that setup,
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GRUB (including coreboot GRUB, but also PC GRUB) can use VGA modes.
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The name `libgfxinit` is simply what `./build boot roms` uses, but it may be
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The name `libgfxinit` is simply what `./build fw coreboot` uses, but it may be
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that a board uses the old-school native video init code written in C. On some
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platforms, coreboot implemented a 3rd party library called `libgfxinit`, which
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is written in Ada and handles video initialization. In this setup, coreboot
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@ -1011,8 +1011,8 @@ all other parts of the Libreboot build system. The rules are as follows:
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would execute `script/build/fw/coreboot all` in `sh`.
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* `TMPDIR` is exclicitly set, providing a constant location where temporary
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files and directories can be made. `TMPDIR` is exported by the parent to
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all children; for example, `./build boot roms all` would export it
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to `script/build/boot/roms`, and then anything called by *that* will also
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all children; for example, `./build fw coreboot all` would export it
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to `script/build/fw/coreboot`, and then anything called by *that* will also
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inherit it - the main parent process running `lbmk` will then clean up this
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`TMPDIR` directory upon any exit.
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* All exits from lbmk are handled by this script. *All* exits, zero or non-zero,
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@ -1110,8 +1110,8 @@ script/
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=======
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*All* scripts under `script/` are executed only by the main `lbmk` script,
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conforming to the standard `buildpath/mode/option` e.g. `build/boot/roms` - so,
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running `./build boot roms` would run `script/build/boot/roms`.
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conforming to the standard `buildpath/mode/option` e.g. `build/fw/coreboot` - so,
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running `./build fw coreboot` would run `script/build/fw/coreboot`.
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script/build/
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---------------
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@ -1135,7 +1135,7 @@ The `targetname` argument must be specified, chosen from this output:
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Pass several board names if you wish to build only for specific targets. For
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example:
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./build boot roms x60 x200_8mb
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./build fw coreboot x60 x200_8mb
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To build *all* targets, specify:
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@ -1186,7 +1186,7 @@ for `romtype`:
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* If no declaration is made, or a declaration is made contrary to the above,
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no special modifications will be made.
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If no payload is defined in `target.cfg`, the `roms_helper` script will exit
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If no payload is defined in `target.cfg`, the `build/fw/coreboot` script will exit
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with error status.
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If SeaBIOS is to be used, on `libgfxinit` setups, SeaVGABIOS will also be
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@ -1217,12 +1217,12 @@ Libreboot!
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### script/build/fw/grub
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This builds the `grub.elf` file and keymap configuration files, placing these
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under `elf/grub/` for use by `script/build/boot/roms`.
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under `elf/grub/` for use by `script/build/fw/coreboot`.
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Command: `./build fw grub`
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This builds the `grub-mkstandalone` utility under `src/grub/`, which is used
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by `script/build/boot/roms` to insert GRUB payloads inside coreboot ROM
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by `script/build/fw/coreboot` to insert GRUB payloads inside coreboot ROM
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images.
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### script/build/fw/serprog
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@ -1380,7 +1380,7 @@ coreboot ROM images.
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NOTE: the `coreboot` projectname here shall cause the ROM images to go
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under `elf/` - this is the no-payload ROM images, which are later used
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separately by `script/build/boot/roms_helper` to provide full images, with
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separately by `script/build/fw/coreboot` to provide full images, with
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payloads inserted. It is an intentional design choice of Libreboot, to split
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it up this way and *not* use coreboot's own build system to handle payloads.
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@ -147,7 +147,7 @@ One task, one script
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====================
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Not literally *one task*, but one theme, one *kind* of overall task. For
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example, `script/build/boot/roms_helper` builds final ROM images of coreboot,
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example, `script/build/fw/coreboot` builds final ROM images of coreboot,
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containing payloads; that same script does not also build cross compilers or
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tell you the current weather forecast. This is an analog of the Unix design
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philosophy which says: write one program that does one thing well, and then
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@ -21,7 +21,7 @@ and the build dependencies are installed like so, from `lbmk/` as root:
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./build dependencies debian
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This installs everything needed for `./build boot roms`, and part of the
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This installs everything needed for `./build fw coreboot`, and part of the
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build process makes use of coreboot's own cross-compile toolchain.
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[QEMU x86/ARM64 virtual machines](../misc/emulation.md) are also
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Loading…
Reference in New Issue