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| author | Ludovic Courtès <ludo@gnu.org> | 2014-11-11 22:42:15 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2014-11-11 22:42:39 +0100 |
| commit | f34c56be3a53c10d9a267331a0a6119c79c815a0 (patch) | |
| tree | d227f6eeb076321f5e26ef62a4965505e2ad3098 /gnu/build/activation.scm | |
| parent | 1306b0b003a557105d3b27e44052db217c7283d3 (diff) | |
| download | gnu-guix-f34c56be3a53c10d9a267331a0a6119c79c815a0.tar gnu-guix-f34c56be3a53c10d9a267331a0a6119c79c815a0.tar.gz | |
activation: Set the firmware search path.
* gnu/build/activation.scm (activate-firmware): New procedure.
* gnu/system.scm (<operating-system>)[firmware]: New field.
(directory-union): New procedure.
(%base-firmware): New variable.
(operating-system-activation-script): Use 'directory-union', and call
'activate-firmware'.
* doc/guix.texi (operating-system Reference): Document 'firmware'.
Diffstat (limited to 'gnu/build/activation.scm')
| -rw-r--r-- | gnu/build/activation.scm | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/gnu/build/activation.scm b/gnu/build/activation.scm index 142ed8f693..3eebb71dfc 100644 --- a/gnu/build/activation.scm +++ b/gnu/build/activation.scm @@ -28,6 +28,7 @@ activate-setuid-programs activate-/bin/sh activate-modprobe + activate-firmware activate-current-system)) ;;; Commentary: @@ -259,6 +260,15 @@ copy SOURCE to TARGET." (lambda (port) (display modprobe port)))) +(define (activate-firmware directory) + "Tell the kernel to look for device firmware under DIRECTORY. This +mechanism bypasses udev: it allows Linux to handle firmware loading directly +by itself, without having to resort to a \"user helper\"." + (call-with-output-file "/sys/module/firmware_class/parameters/path" + (lambda (port) + (display directory port)))) + + (define %current-system ;; The system that is current (a symlink.) This is not necessarily the same ;; as the system we booted (aka. /run/booted-system) because we can re-build |