aboutsummaryrefslogtreecommitdiff
path: root/gnu/system.scm
diff options
context:
space:
mode:
Diffstat (limited to 'gnu/system.scm')
-rw-r--r--gnu/system.scm111
1 files changed, 72 insertions, 39 deletions
diff --git a/gnu/system.scm b/gnu/system.scm
index cc925de16f..c8375680ee 100644
--- a/gnu/system.scm
+++ b/gnu/system.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2013, 2014, 2015, 2016, 2017, 2018, 2019, 2020, 2021 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2013-2022 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2015 Mark H Weaver <mhw@netris.org>
;;; Copyright © 2015, 2016 Alex Kost <alezost@gmail.com>
;;; Copyright © 2016 Chris Marusich <cmmarusich@gmail.com>
@@ -9,9 +9,9 @@
;;; Copyright © 2020 Danny Milosavljevic <dannym@scratchpost.org>
;;; Copyright © 2020, 2021 Brice Waegeneire <brice@waegenei.re>
;;; Copyright © 2020 Florian Pelz <pelzflorian@pelzflorian.de>
-;;; Copyright © 2020 Maxim Cournoyer <maxim.cournoyer@gmail.com>
+;;; Copyright © 2020, 2022 Maxim Cournoyer <maxim.cournoyer@gmail.com>
;;; Copyright © 2020 Jan (janneke) Nieuwenhuizen <jannek@gnu.org>
-;;; Copyright © 2020 Efraim Flashner <efraim@flashner.co.il>
+;;; Copyright © 2020, 2022 Efraim Flashner <efraim@flashner.co.il>
;;; Copyright © 2021 Maxime Devos <maximedevos@telenet.be>
;;; Copyright © 2021 raid5atemyhomework <raid5atemyhomework@protonmail.com>
;;;
@@ -161,6 +161,8 @@
boot-parameters-kernel-arguments
boot-parameters-initrd
boot-parameters-multiboot-modules
+ boot-parameters-version
+ %boot-parameters-version
read-boot-parameters
read-boot-parameters-file
boot-parameters->menu-entry
@@ -185,16 +187,23 @@
;;;
;;; Code:
-(define (bootable-kernel-arguments system root-device)
- "Return a list of kernel arguments (gexps) to boot SYSTEM from ROOT-DEVICE."
- (list (string-append "--root="
+(define* (bootable-kernel-arguments system root-device version)
+ "Return a list of kernel arguments (gexps) to boot SYSTEM from ROOT-DEVICE.
+VERSION is the target version of the boot-parameters record."
+ ;; If the version is newer than 0, we use the new style initrd parameter
+ ;; names, otherwise we use the legacy ones. This is to maintain backward
+ ;; compatibility when producing bootloader configurations for older
+ ;; generations.
+ (define version>0? (> version 0))
+ (list (string-append (if version>0? "root=" "--root=")
;; Note: Always use the DCE format because that's what
- ;; (gnu build linux-boot) expects for the '--root'
+ ;; (gnu build linux-boot) expects for the 'root'
;; kernel command-line option.
(file-system-device->string root-device
#:uuid-type 'dce))
- #~(string-append "--system=" #$system)
- #~(string-append "--load=" #$system "/boot")))
+ #~(string-append (if #$version>0? "gnu.system=" "--system=") #$system)
+ #~(string-append (if #$version>0? "gnu.load=" "--load=")
+ #$system "/boot")))
;; System-wide configuration.
;; TODO: Add per-field docstrings/stexi.
@@ -284,10 +293,12 @@
source-properties->location))
(innate)))
-(define (operating-system-kernel-arguments os root-device)
- "Return all the kernel arguments, including the ones not specified
-directly by the user."
- (append (bootable-kernel-arguments os root-device)
+(define* (operating-system-kernel-arguments
+ os root-device #:key (version %boot-parameters-version))
+ "Return all the kernel arguments, including the ones not specified directly
+by the user. VERSION should match that of the target <boot-parameter> record
+object that will contain the kernel parameters."
+ (append (bootable-kernel-arguments os root-device version)
(operating-system-user-kernel-arguments os)))
@@ -295,6 +306,13 @@ directly by the user."
;;; Boot parameters
;;;
+;;; Version 1 was introduced early 2022 to mark the departure from long option
+;;; names such as '--load' to the more conventional initrd option names like
+;;; 'gnu.load'.
+;;;
+;;; When bumping the boot-parameters version, increment it by one (1).
+(define %boot-parameters-version 1)
+
(define-record-type* <boot-parameters>
boot-parameters make-boot-parameters boot-parameters?
(label boot-parameters-label)
@@ -322,7 +340,9 @@ directly by the user."
(kernel boot-parameters-kernel)
(kernel-arguments boot-parameters-kernel-arguments)
(initrd boot-parameters-initrd)
- (multiboot-modules boot-parameters-multiboot-modules))
+ (multiboot-modules boot-parameters-multiboot-modules)
+ (version boot-parameters-version ;positive integer
+ (default %boot-parameters-version)))
(define (ensure-not-/dev device)
"If DEVICE starts with a slash, return #f. This is meant to filter out
@@ -334,7 +354,7 @@ file system labels."
(define (read-boot-parameters port)
"Read boot parameters from PORT and return the corresponding
-<boot-parameters> object or #f if the format is unrecognized."
+<boot-parameters> object. Raise an error if the format is unrecognized."
(define device-sexp->device
(match-lambda
(('uuid (? symbol? type) (? bytevector? bv))
@@ -359,12 +379,18 @@ file system labels."
(warning (G_ "unrecognized uuid ~a at '~a'~%") x (port-filename port))
#f)))
+ ;; New versions are not backward-compatible, so only accept past and current
+ ;; versions, not future ones.
+ (define (version? n)
+ (member n (iota (1+ %boot-parameters-version))))
+
(match (read port)
- (('boot-parameters ('version 0)
+ (('boot-parameters ('version (? version? version))
('label label) ('root-device root)
('kernel kernel)
rest ...)
(boot-parameters
+ (version version)
(label label)
(root-device (device-sexp->device root))
@@ -455,9 +481,20 @@ file system labels."
(_ ;the old format
"/")))))
(x ;unsupported format
- (warning (G_ "unrecognized boot parameters at '~a'~%")
- (port-filename port))
- #f)))
+ (raise
+ (make-compound-condition
+ (formatted-message
+ (G_ "unrecognized boot parameters at '~a'~%")
+ (port-filename port))
+ (condition
+ (&fix-hint (hint (format #f (G_ "This probably means that this version
+of Guix is older than the one that created @file{~a}. To address this, you
+need to update Guix:
+
+@example
+guix pull
+@end example")
+ (port-filename port))))))))))
(define (read-boot-parameters-file system)
"Read boot parameters from SYSTEM's (system or generation) \"parameters\"
@@ -466,10 +503,11 @@ format is unrecognized.
The object has its kernel-arguments extended in order to make it bootable."
(let* ((file (string-append system "/parameters"))
(params (call-with-input-file file read-boot-parameters))
- (root (boot-parameters-root-device params)))
+ (root (boot-parameters-root-device params))
+ (version (boot-parameters-version params)))
(boot-parameters
(inherit params)
- (kernel-arguments (append (bootable-kernel-arguments system root)
+ (kernel-arguments (append (bootable-kernel-arguments system root version)
(boot-parameters-kernel-arguments params))))))
(define (boot-parameters->menu-entry conf)
@@ -631,6 +669,7 @@ See \"(guix) operating-system Reference\" for more details.~%")))
((string-prefix? "arm" target) "zImage")
((string-prefix? "mips" target) "vmlinuz")
((string-prefix? "aarch64" target) "Image")
+ ((string-prefix? "riscv64" target) "Image")
(else "bzImage")))
(define (operating-system-kernel-file os)
@@ -798,7 +837,7 @@ of PROVENANCE-SERVICE-TYPE to its services."
(define %base-packages-utils
;; Default set of utilities packages.
(cons* procps psmisc which
- (@ (gnu packages admin) shadow) ;for 'passwd'
+ (@ (gnu packages admin) shadow-with-man-pages) ;for 'passwd'
guile-3.0-latest
@@ -1440,8 +1479,11 @@ a list of <menu-entry>, to populate the \"old entries\" menu."
(define* (operating-system-boot-parameters os root-device
#:key system-kernel-arguments?)
"Return a monadic <boot-parameters> record that describes the boot
-parameters of OS. When SYSTEM-KERNEL-ARGUMENTS? is true, add kernel arguments
-such as '--root' and '--load' to <boot-parameters>."
+parameters of OS. When SYSTEM-KERNEL-ARGUMENTS? is true, add the kernel
+arguments 'root', 'gnu.load' and 'gnu.system' to <boot-parameters>. The
+SYSTEM-KERNEL-ARGUMENTS? should only be used in necessity, as the 'gnu.load'
+and 'gnu.system' values are self-referential (they refer to the system), thus
+susceptible to introduce a cyclic dependency."
(let* ((initrd (and (not (operating-system-hurd os))
(operating-system-initrd-file os)))
(store (operating-system-store-file-system os))
@@ -1482,25 +1524,16 @@ such as '--root' and '--load' to <boot-parameters>."
(_
device)))
-(define* (operating-system-boot-parameters-file os
- #:key system-kernel-arguments?)
- "Return a file that describes the boot parameters of OS. The primary use of
-this file is the reconstruction of GRUB menu entries for old configurations.
-
-When SYSTEM-KERNEL-ARGUMENTS? is true, add kernel arguments such as '--root'
-and '--load' to the returned file (since the returned file is then usually
-stored into the content-addressed \"system\" directory, it's usually not a
-good idea to give it because the content hash would change by the content hash
-being stored into the \"parameters\" file)."
+(define* (operating-system-boot-parameters-file os)
+ "Return a file that describes the boot parameters of OS. The primary use
+of this file is the reconstruction of GRUB menu entries for old
+configurations."
(let* ((root (operating-system-root-file-system os))
(device (file-system-device root))
- (params (operating-system-boot-parameters
- os device
- #:system-kernel-arguments?
- system-kernel-arguments?)))
+ (params (operating-system-boot-parameters os device)))
(scheme-file "parameters"
#~(boot-parameters
- (version 0)
+ (version #$(boot-parameters-version params))
(label #$(boot-parameters-label params))
(root-device
#$(device->sexp