diff options
Diffstat (limited to 'gnu/services.scm')
| -rw-r--r-- | gnu/services.scm | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/gnu/services.scm b/gnu/services.scm index e7da0a026d..8d413e198e 100644 --- a/gnu/services.scm +++ b/gnu/services.scm @@ -3,6 +3,7 @@ ;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com> ;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <janneke@gnu.org> ;;; Copyright © 2020, 2021 Ricardo Wurmus <rekado@elephly.net> +;;; Copyright © 2021 raid5atemyhomework <raid5atemyhomework@protonmail.com> ;;; ;;; This file is part of GNU Guix. ;;; @@ -34,6 +35,8 @@ #:use-module (guix diagnostics) #:autoload (guix openpgp) (openpgp-format-fingerprint) #:use-module (guix modules) + #:use-module (guix packages) + #:use-module (guix utils) #:use-module (gnu packages base) #:use-module (gnu packages bash) #:use-module (gnu packages hurd) @@ -107,6 +110,12 @@ profile-service-type firmware-service-type gc-root-service-type + linux-builder-service-type + linux-builder-configuration + linux-builder-configuration? + linux-builder-configuration-kernel + linux-builder-configuration-modules + linux-loadable-module-service-type %boot-service %activation-service @@ -883,6 +892,87 @@ as Wifi cards."))) will not be reclaimed by the garbage collector.") (default-value '()))) +;; Configuration for the Linux kernel builder. +(define-record-type* <linux-builder-configuration> + linux-builder-configuration + make-linux-builder-configuration + linux-builder-configuration? + this-linux-builder-configuration + + (kernel linux-builder-configuration-kernel) ; package + (modules linux-builder-configuration-modules (default '()))) ; list of packages + +(define (package-for-kernel target-kernel module-package) + "Return a package like MODULE-PACKAGE, adapted for TARGET-KERNEL, if +possible (that is if there's a LINUX keyword argument in the build system)." + (package + (inherit module-package) + (arguments + (substitute-keyword-arguments (package-arguments module-package) + ((#:linux kernel #f) + target-kernel))))) + +(define (linux-builder-configuration->system-entry config) + "Return the kernel entry of the 'system' directory." + (let* ((kernel (linux-builder-configuration-kernel config)) + (modules (linux-builder-configuration-modules config)) + (kernel (profile + (content (packages->manifest + (cons kernel + (map (lambda (module) + (cond + ((package? module) + (package-for-kernel kernel module)) + ;; support (,package "kernel-module-output") + ((and (list? module) (package? (car module))) + (cons (package-for-kernel kernel + (car module)) + (cdr module))) + (else + module))) + modules)))) + (hooks (list linux-module-database))))) + (with-monad %store-monad + (return `(("kernel" ,kernel)))))) + +(define linux-builder-service-type + (service-type (name 'linux-builder) + (extensions + (list (service-extension system-service-type + linux-builder-configuration->system-entry))) + (default-value '()) + (compose identity) + (extend (lambda (config modifiers) + (if (null? modifiers) + config + ((apply compose modifiers) config)))) + (description "Builds the linux-libre kernel profile, containing +the kernel itself and any linux-loadable kernel modules. This can be extended +with a function that accepts the current configuration and returns a new +configuration."))) + +(define (linux-loadable-module-builder-modifier modules) + "Extends linux-builder-service-type by appending the given MODULES to the +configuration of linux-builder-service-type." + (lambda (config) + (linux-builder-configuration + (inherit config) + (modules (append (linux-builder-configuration-modules config) + modules))))) + +(define linux-loadable-module-service-type + (service-type (name 'linux-loadable-modules) + (extensions + (list (service-extension linux-builder-service-type + linux-loadable-module-builder-modifier))) + (default-value '()) + (compose concatenate) + (extend append) + (description "Adds packages and package outputs as modules +included in the booted linux-libre profile. Other services can extend this +service type to add particular modules to the set of linux-loadable modules."))) + + ;;; ;;; Service folding. |