diff options
| -rw-r--r-- | gnu/build/vm.scm | 34 | ||||
| -rw-r--r-- | gnu/system/vm.scm | 4 |
2 files changed, 31 insertions, 7 deletions
diff --git a/gnu/build/vm.scm b/gnu/build/vm.scm index ed84463677..8f8ca609f2 100644 --- a/gnu/build/vm.scm +++ b/gnu/build/vm.scm @@ -77,6 +77,7 @@ linux initrd make-disk-image? single-file-output? + target-arm32? (disk-image-size (* 100 (expt 2 20))) (disk-image-format "qcow2") (references-graphs '())) @@ -91,6 +92,31 @@ access it via /dev/hda. REFERENCES-GRAPHS can specify a list of reference-graph files as produced by the #:references-graphs parameter of 'derivation'." + + (define arch-specific-flags + `(;; On ARM, a machine has to be specified. Use "virt" machine to avoid + ;; hardware limits imposed by other machines. + ,@(if target-arm32? '("-M" "virt") '()) + + ;; Only enable kvm if we see /dev/kvm exists. This allows users without + ;; hardware virtualization to still use these commands. KVM support is + ;; still buggy on some ARM32 boards. Do not use it even if available. + ,@(if (and (file-exists? "/dev/kvm") + (not target-arm32?)) + '("-enable-kvm") + '()) + "-append" + ;; The serial port name differs between emulated architectures/machines. + ,@(if target-arm32? + `(,(string-append "console=ttyAMA0 --load=" builder)) + `(,(string-append "console=ttyS0 --load=" builder))) + ;; NIC is not supported on ARM "virt" machine, so use a user mode + ;; network stack instead. + ,@(if target-arm32? + '("-device" "virtio-net-pci,netdev=mynet" + "-netdev" "user,id=mynet") + '("-net" "nic,model=virtio")))) + (when make-disk-image? (format #t "creating ~a image of ~,2f MiB...~%" disk-image-format (/ disk-image-size (expt 2 20))) @@ -113,7 +139,6 @@ the #:references-graphs parameter of 'derivation'." (unless (zero? (apply system* qemu "-nographic" "-no-reboot" "-m" (number->string memory-size) - "-net" "nic,model=virtio" "-virtfs" (string-append "local,id=store_dev,path=" (%store-directory) @@ -132,12 +157,7 @@ the #:references-graphs parameter of 'derivation'." ",format=" disk-image-format ",id=myhd")) '()) - ;; Only enable kvm if we see /dev/kvm exists. - ;; This allows users without hardware virtualization to still - ;; use these commands. - (if (file-exists? "/dev/kvm") - '("-enable-kvm") - '())))) + arch-specific-flags))) (error "qemu failed" qemu)) ;; When MAKE-DISK-IMAGE? is true, the image is in OUTPUT already. diff --git a/gnu/system/vm.scm b/gnu/system/vm.scm index d754ac76f0..b376337c8d 100644 --- a/gnu/system/vm.scm +++ b/gnu/system/vm.scm @@ -175,6 +175,10 @@ made available under the /xchg CIFS share." #:memory-size #$memory-size #:make-disk-image? #$make-disk-image? #:single-file-output? #$single-file-output? + ;; FIXME: ‘target-arm32?’ may not operate on + ;; the right system/target values. Rewrite + ;; using ‘let-system’ when available. + #:target-arm32? #$(target-arm32?) #:disk-image-format #$disk-image-format #:disk-image-size size #:references-graphs graphs))))) |