From f34c56be3a53c10d9a267331a0a6119c79c815a0 Mon Sep 17 00:00:00 2001 From: Ludovic Courtès Date: Tue, 11 Nov 2014 22:42:15 +0100 Subject: activation: Set the firmware search path. * gnu/build/activation.scm (activate-firmware): New procedure. * gnu/system.scm ()[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'. --- gnu/build/activation.scm | 10 ++++++++++ 1 file changed, 10 insertions(+) (limited to 'gnu/build') 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 -- cgit v1.2.3