diff options
Diffstat (limited to 'guix/build')
| -rw-r--r-- | guix/build/linux-initrd.scm | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/guix/build/linux-initrd.scm b/guix/build/linux-initrd.scm index 81f9e46cfb..208ad711ef 100644 --- a/guix/build/linux-initrd.scm +++ b/guix/build/linux-initrd.scm @@ -21,6 +21,7 @@ #:use-module (system foreign) #:export (mount-essential-file-systems linux-command-line + make-essential-device-nodes configure-qemu-networking mount-qemu-smb-share bind-mount @@ -59,6 +60,37 @@ (call-with-input-file "/proc/cmdline" get-string-all))) +(define* (make-essential-device-nodes #:key (root "/")) + "Make essential device nodes under ROOT/dev." + ;; The hand-made udev! + + (define (scope dir) + (string-append root + (if (string-suffix? "/" root) + "" + "/") + dir)) + + (unless (file-exists? (scope "dev")) + (mkdir (scope "dev"))) + + ;; Make the device nodes for QEMU's hard disk and partitions. + (mknod (scope "dev/vda") 'block-special #o644 (device-number 8 0)) + (mknod (scope "dev/vda1") 'block-special #o644 (device-number 8 1)) + (mknod (scope "dev/vda2") 'block-special #o644 (device-number 8 2)) + + ;; TTYs. + (let loop ((n 0)) + (and (< n 50) + (let ((name (format #f "dev/tty~a" n))) + (mknod (scope name) 'block-special #o644 + (device-number 4 n)) + (loop (+ 1 n))))) + + ;; Other useful nodes. + (mknod (scope "dev/null") 'char-special #o666 (device-number 1 3)) + (mknod (scope "dev/zero") 'char-special #o666 (device-number 1 5))) + (define %host-qemu-ipv4-address (inet-pton AF_INET "10.0.2.10")) |