* gnu/installer/hardware.scm: New file. * gnu/local.mk (INSTALLER_MODULES): Add it. * po/guix/POTFILES.in: Add it. * gnu/installer.scm (installer-steps): Pass #:pci-database to the 'welcome' step procedure. * gnu/installer/newt.scm (welcome-page): Add #:pci-database and pass it to 'run-welcome-page'. * gnu/installer/newt/welcome.scm (check-hardware-support): Add #:pci-database. Enumerate unsupported PCI devices and run an error page when unsupported devices are found. (run-welcome-page): Add #:pci-database and pass it to 'check-hardware-support' and to the recursive call. * gnu/installer/record.scm (<installer>)[welcome-page]: Adjust comment. * doc/guix.texi (Hardware Considerations): Mention it.
		
			
				
	
	
		
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			202 lines
		
	
	
	
		
			7.6 KiB
		
	
	
	
		
			Scheme
		
	
	
	
	
	
| ;;; GNU Guix --- Functional package management for GNU
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| ;;; Copyright © 2018 Mathieu Othacehe <m.othacehe@gmail.com>
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| ;;; Copyright © 2020, 2022 Ludovic Courtès <ludo@gnu.org>
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| ;;; Copyright © 2022 Florian Pelz <pelzflorian@pelzflorian.de>
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| ;;;
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| ;;; This file is part of GNU Guix.
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| ;;;
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| ;;; GNU Guix is free software; you can redistribute it and/or modify it
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| ;;; under the terms of the GNU General Public License as published by
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| ;;; the Free Software Foundation; either version 3 of the License, or (at
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| ;;; your option) any later version.
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| ;;;
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| ;;; GNU Guix is distributed in the hope that it will be useful, but
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| ;;; WITHOUT ANY WARRANTY; without even the implied warranty of
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| ;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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| ;;;
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| ;;; You should have received a copy of the GNU General Public License
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| ;;; along with GNU Guix.  If not, see <http://www.gnu.org/licenses/>.
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| 
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| (define-module (gnu installer newt welcome)
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|   #:use-module ((gnu build linux-modules)
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|                 #:select (modules-loaded
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|                           pci-devices))
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|   #:use-module (gnu installer dump)
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|   #:use-module (gnu installer hardware)
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|   #:use-module (gnu installer steps)
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|   #:use-module (gnu installer utils)
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|   #:use-module (gnu installer newt page)
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|   #:use-module (gnu installer newt utils)
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|   #:use-module (guix build syscalls)
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|   #:use-module (guix i18n)
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|   #:use-module (srfi srfi-1)
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|   #:use-module (srfi srfi-34)
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|   #:use-module (srfi srfi-35)
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|   #:use-module (srfi srfi-71)
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|   #:use-module (ice-9 format)
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|   #:use-module (ice-9 match)
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|   #:use-module (ice-9 receive)
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|   #:use-module (newt)
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|   #:export (run-welcome-page))
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| 
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| ;; Expected width and height for the logo.
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| (define logo-width (make-parameter 43))
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| (define logo-height (make-parameter 19))
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| 
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| (define info-textbox-width (make-parameter 70))
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| (define options-listbox-height (make-parameter 5))
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| 
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| (define (display-logo?)
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|   (> (screen-rows) 35))
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| 
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| (define* (run-menu-page title info-text logo
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|                         #:key
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|                         listbox-items
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|                         listbox-item->text)
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|   "Run a page with the given TITLE, to ask the user to choose between
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| LISTBOX-ITEMS displayed in a listbox. The listbox items are converted to text
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| using LISTBOX-ITEM->TEXT procedure. Display the textual LOGO in the center of
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| the page. Contrary to other pages, we cannot resort to grid layouts, because
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| we want this page to occupy all the screen space available."
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|   (define (fill-listbox listbox items)
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|     (map (lambda (item)
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|            (let* ((text (listbox-item->text item))
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|                   (key (append-entry-to-listbox listbox text)))
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|              (cons key item)))
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|          items))
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| 
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|   (let* ((logo-textbox
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|           (make-textbox -1 -1
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|                         (if (display-logo?) (logo-width) 0)
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|                         (if (display-logo?) (logo-height) 0)
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|                         0))
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|          (info-textbox
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|           (make-reflowed-textbox -1 -1
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|                                  info-text
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|                                  (info-textbox-width)))
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|          (options-listbox
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|           (make-listbox -1 -1
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|                         (options-listbox-height)
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|                         (logior FLAG-BORDER FLAG-RETURNEXIT)))
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|          (keys (fill-listbox options-listbox listbox-items))
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|          (grid (vertically-stacked-grid
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|                 GRID-ELEMENT-COMPONENT logo-textbox
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|                 GRID-ELEMENT-COMPONENT info-textbox
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|                 GRID-ELEMENT-COMPONENT options-listbox))
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|          (form (make-form)))
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| 
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|     (define (choice->item str)
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|       ;; Return the item that corresponds to STR.
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|       (match (find (match-lambda
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|                      ((key . item)
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|                       (string=? str (listbox-item->text item))))
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|                    keys)
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|         ((key . item) item)
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|         (#f (abort-to-prompt 'installer-step 'abort))))
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| 
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|     (set-textbox-text logo-textbox (read-all logo))
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| 
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|     (add-form-to-grid grid form #t)
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|     (make-wrapped-grid-window grid title)
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| 
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|     (receive (exit-reason argument)
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|         (run-form-with-clients form
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|                                `(menu (title ,title)
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|                                       (text ,info-text)
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|                                       (items
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|                                        ,(map listbox-item->text
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|                                              listbox-items))))
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|       (dynamic-wind
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|         (const #t)
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|         (lambda ()
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|           (match exit-reason
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|             ('exit-component
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|              (let* ((entry (current-listbox-entry options-listbox))
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|                     (item (assoc-ref keys entry)))
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|                (match item
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|                  ((text . proc)
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|                   (proc)))))
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|             ('exit-fd-ready
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|              (let* ((choice argument)
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|                     (item   (choice->item choice)))
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|                (match item
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|                  ((text . proc)
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|                   (proc)))))))
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|         (lambda ()
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|           (destroy-form-and-pop form))))))
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| 
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| (define (check-hardware-support pci-database)
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|   "Warn about unsupported devices."
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|   (when (member "uvesafb" (modules-loaded))
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|     (run-error-page (G_ "\
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| This may be a false alarm, but possibly your graphics hardware does not
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| work well with only free software.  Expect trouble.  If after installation,
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| the system does not boot, perhaps you will need to add nomodeset to the
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| kernel arguments and need to configure the uvesafb kernel module.")
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|                     (G_ "Pre-install warning")))
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| 
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|   (let ((devices (pci-devices)))
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|     (match (filter unsupported-pci-device? devices)
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|       (()                                         ;no unsupported device
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|        #t)
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|       (unsupported
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|        (run-error-page (format #f (G_ "\
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| Devices not supported by free software were found on your computer:
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| 
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| ~{  - ~a~%~}
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| Unfortunately, it means those devices will not be usable.
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| 
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| To address it, we recommend choosing hardware that respects your freedom as a \
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| user--hardware for which free drivers and firmware exist.  See \"Hardware \
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| Considerations\" in the manual for more information.")
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|                                (map (pci-device-description pci-database)
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|                                     unsupported))
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|                        (G_ "Hardware support warning")
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|                        #:width 76)))))
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| 
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| (define* (run-welcome-page logo #:key pci-database)
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|   "Run a welcome page with the given textual LOGO displayed at the center of
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| the page. Ask the user to choose between manual installation, graphical
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| installation and reboot."
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|   (when (file-exists? %core-dump)
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|     (match (choice-window
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|             (G_ "Previous installation failed")
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|             (G_ "Continue")
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|             (G_ "Report the failure")
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|             (G_ "It seems that the previous installation exited unexpectedly \
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| and generated a core dump.  Do you want to continue or to report the failure \
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| first?"))
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|       (1 #t)
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|       (2 (raise
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|           (condition
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|            (&user-abort-error))))))
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| 
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|   (run-menu-page
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|    (G_ "GNU Guix install")
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|    (G_ "Welcome to GNU Guix system installer!
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| 
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| You will be guided through a graphical installation program.
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| 
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| If you are familiar with GNU/Linux and you want tight control over \
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| the installation process, you can instead choose manual installation.  \
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| Documentation is accessible at any time by pressing Ctrl-Alt-F2.")
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|    logo
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|    #:listbox-items
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|    `((,(G_ "Graphical install using a terminal based interface")
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|       .
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|       ,(lambda ()
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|          (check-hardware-support pci-database)))
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|      (,(G_ "Install using the shell based process")
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|       .
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|       ,(lambda ()
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|          (check-hardware-support pci-database)
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|          ;; Switch to TTY3, where a root shell is available for shell based
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|          ;; install. The other root TTY's would have been ok too.
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|          (system* "chvt" "3")
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|          (run-welcome-page logo #:pci-database pci-database)))
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|      (,(G_ "Reboot")
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|       .
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|       ,(lambda ()
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|          (newt-finish)
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|          (reboot))))
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|    #:listbox-item->text car))
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