diff options
Diffstat (limited to 'gnu/bootloader/extlinux.scm')
| -rw-r--r-- | gnu/bootloader/extlinux.scm | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/gnu/bootloader/extlinux.scm b/gnu/bootloader/extlinux.scm index 0db5598fc9..9b6e2c7f2a 100644 --- a/gnu/bootloader/extlinux.scm +++ b/gnu/bootloader/extlinux.scm @@ -85,14 +85,6 @@ TIMEOUT ~a~%" ;;; Install procedures. ;;; -(define dd - #~(lambda (bs count if of) - (zero? (system* "dd" - (string-append "bs=" (number->string bs)) - (string-append "count=" (number->string count)) - (string-append "if=" if) - (string-append "of=" of))))) - (define (install-extlinux mbr) #~(lambda (bootloader device mount-point) (let ((extlinux (string-append bootloader "/sbin/extlinux")) @@ -101,9 +93,15 @@ TIMEOUT ~a~%" (for-each (lambda (file) (install-file file install-dir)) (find-files syslinux-dir "\\.c32$")) - - (unless (and (zero? (system* extlinux "--install" install-dir)) - (#$dd 440 1 (string-append syslinux-dir "/" #$mbr) device)) + (unless + (and (zero? (system* extlinux "--install" install-dir)) + (call-with-input-file (string-append syslinux-dir "/" #$mbr) + (lambda (input) + (let ((bv (get-bytevector-n input 440))) + (call-with-output-file device + (lambda (output) + (put-bytevector output bv)) + #:binary #t))))) (error "failed to install SYSLINUX"))))) (define install-extlinux-mbr |