diff options
| -rw-r--r-- | guix/build/linux-initrd.scm | 159 |
1 files changed, 76 insertions, 83 deletions
diff --git a/guix/build/linux-initrd.scm b/guix/build/linux-initrd.scm index 754a88f57c..abf86f6a77 100644 --- a/guix/build/linux-initrd.scm +++ b/guix/build/linux-initrd.scm @@ -20,6 +20,7 @@ #:use-module (rnrs io ports) #:use-module (rnrs bytevectors) #:use-module (system foreign) + #:use-module (system repl error-handling) #:autoload (system repl repl) (start-repl) #:autoload (system base compile) (compile-file) #:use-module (srfi srfi-1) @@ -250,10 +251,7 @@ the following: ;; Some devices take a bit of time to appear, most notably USB ;; storage devices. Thus, wait for the device to appear. (if (> count max-trials) - (begin - (format (current-error-port) - "failed to resolve partition label: ~s~%" spec) - (start-repl)) + (error "failed to resolve partition label" spec) (begin (sleep 1) (loop (+ 1 count)))))))) @@ -615,84 +613,79 @@ to it are lost." (display "Welcome, this is GNU's early boot Guile.\n") (display "Use '--repl' for an initrd REPL.\n\n") - (mount-essential-file-systems) - (let* ((args (linux-command-line)) - (to-load (find-long-option "--load" args)) - (root (find-long-option "--root" args))) - - (when (member "--repl" args) - (start-repl)) - - (display "loading kernel modules...\n") - (for-each (compose load-linux-module* - (cut string-append "/modules/" <>)) - linux-modules) - - (when qemu-guest-networking? - (unless (configure-qemu-networking) - (display "network interface is DOWN\n"))) - - ;; Make /dev nodes. - (make-essential-device-nodes) - - ;; Prepare the real root file system under /root. - (unless (file-exists? "/root") - (mkdir "/root")) - (if root - (mount-root-file-system (canonicalize-device-spec root) - root-fs-type - #:volatile-root? volatile-root?) - (mount "none" "/root" "tmpfs")) - - (unless (file-exists? "/root/dev") - (mkdir "/root/dev") - (make-essential-device-nodes #:root "/root")) - - ;; Mount the specified file systems. - (for-each mount-file-system - (remove root-mount-point? mounts)) - - (when guile-modules-in-chroot? - ;; Copy the directories that contain .scm and .go files so that the - ;; child process in the chroot can load modules (we would bind-mount - ;; them but for some reason that fails with EINVAL -- XXX). - (mkdir-p "/root/share") - (mkdir-p "/root/lib") - (mount "none" "/root/share" "tmpfs") - (mount "none" "/root/lib" "tmpfs") - (copy-recursively "/share" "/root/share" - #:log (%make-void-port "w")) - (copy-recursively "/lib" "/root/lib" - #:log (%make-void-port "w"))) - - (if to-load - (begin - (switch-root "/root") - (format #t "loading '~a'...\n" to-load) - - ;; Obviously this has to be done each time we boot. Do it from here - ;; so that statfs(2) returns DEVPTS_SUPER_MAGIC like libc's getpt(3) - ;; expects (and thus openpty(3) and its users, such as xterm.) - (mount "none" "/dev/pts" "devpts") - - ;; TODO: Remove /lib, /share, and /loader.go. - (catch #t - (lambda () - (primitive-load to-load)) - (lambda args - (start-repl)) - (lambda args - (format (current-error-port) "'~a' raised an exception: ~s~%" - to-load args) - (display-backtrace (make-stack #t) (current-error-port)))) - (format (current-error-port) - "boot program '~a' terminated, rebooting~%" - to-load) - (sleep 2) - (reboot)) - (begin - (display "no boot file passed via '--load'\n") - (display "entering a warm and cozy REPL\n") - (start-repl))))) + (call-with-error-handling + (lambda () + (mount-essential-file-systems) + (let* ((args (linux-command-line)) + (to-load (find-long-option "--load" args)) + (root (find-long-option "--root" args))) + + (when (member "--repl" args) + (start-repl)) + + (display "loading kernel modules...\n") + (for-each (compose load-linux-module* + (cut string-append "/modules/" <>)) + linux-modules) + + (when qemu-guest-networking? + (unless (configure-qemu-networking) + (display "network interface is DOWN\n"))) + + ;; Make /dev nodes. + (make-essential-device-nodes) + + ;; Prepare the real root file system under /root. + (unless (file-exists? "/root") + (mkdir "/root")) + (if root + (mount-root-file-system (canonicalize-device-spec root) + root-fs-type + #:volatile-root? volatile-root?) + (mount "none" "/root" "tmpfs")) + + (unless (file-exists? "/root/dev") + (mkdir "/root/dev") + (make-essential-device-nodes #:root "/root")) + + ;; Mount the specified file systems. + (for-each mount-file-system + (remove root-mount-point? mounts)) + + (when guile-modules-in-chroot? + ;; Copy the directories that contain .scm and .go files so that the + ;; child process in the chroot can load modules (we would bind-mount + ;; them but for some reason that fails with EINVAL -- XXX). + (mkdir-p "/root/share") + (mkdir-p "/root/lib") + (mount "none" "/root/share" "tmpfs") + (mount "none" "/root/lib" "tmpfs") + (copy-recursively "/share" "/root/share" + #:log (%make-void-port "w")) + (copy-recursively "/lib" "/root/lib" + #:log (%make-void-port "w"))) + + (if to-load + (begin + (switch-root "/root") + (format #t "loading '~a'...\n" to-load) + + ;; Obviously this has to be done each time we boot. Do it from here + ;; so that statfs(2) returns DEVPTS_SUPER_MAGIC like libc's getpt(3) + ;; expects (and thus openpty(3) and its users, such as xterm.) + (mount "none" "/dev/pts" "devpts") + + ;; TODO: Remove /lib, /share, and /loader.go. + (primitive-load to-load) + + (format (current-error-port) + "boot program '~a' terminated, rebooting~%" + to-load) + (sleep 2) + (reboot)) + (begin + (display "no boot file passed via '--load'\n") + (display "entering a warm and cozy REPL\n") + (start-repl))))))) ;;; linux-initrd.scm ends here |