Applied, thanks! pasha (biblio), le ven. 12 mai 2023 00:51:21 +0200, a ecrit: > >On Thu, 2023-05-11 at 02:06 +0200, Samuel Thibault wrote: > > >pasha (biblio), le mar. 09 mai 2023 17:01:08 +0200, a ecrit: > >Add example of 64-bit debugging. > > >Mmm, rather extend the QEMU section of > >https://darnassus.sceen.net/~hurd-web/microkernel/mach/gnumach/debugging/ > > --- > microkernel/mach/gnumach/debugging.mdwn | 35 +++++++++++++++++++++++++ > 1 file changed, 35 insertions(+) > > diff --git a/microkernel/mach/gnumach/debugging.mdwn > b/microkernel/mach/gnumach/debugging.mdwn > index a134b618..0e4898be 100644 > --- a/microkernel/mach/gnumach/debugging.mdwn > +++ b/microkernel/mach/gnumach/debugging.mdwn > @@ -128,6 +128,41 @@ working directory. For example: > > ## [[open_issues/debugging_gnumach_startup_qemu_gdb]] > > +## Debug 64-bit gnumach > + > +[[build|microkernel/mach/gnumach/building/]] 64-bit gnumach > + > +run a spare Hurd vm (prepare for data loss in vm): > + > +* `kvm -net user,hostfwd=tcp:127.0.0.1:2222-:22 -net nic,model=e1000 -drive > file=$(echo debian-hurd*.img),cache=writeback -m 1G` > +* `cd gnumach/build` > +* `scp -P 2222 gnumach.gz user@127.0.0.1:/home/user/` > +* You may copy `gnumach.gz` (also create new grub entry) or replace using > `mv /home/user/gnumach.gz /boot/gnumach-xxx.gz` > +* Shutdown vm. > +* Append `console=com0` in boot menu and switch to console mode in qemu. (We > have known issues with vga output for 64-bit.) > +* You may load only required modules for debugging. > +* `kvm -s -S -net user,hostfwd=tcp:127.0.0.1:2222-:22 -net nic,model=e1000 > -drive file=$(echo debian-hurd*.img),cache=writeback -m 1G` (note: `-s -S` > added.) > +* `gdb ./gnumach` > +* `(gdb) target remote :1234` > +* Press `c` to continue booting. > + > + > +example `/boot/grub/grub.cfg`: > + > + multiboot /boot/gnumach-1.8-486.gz root=part:2:device:hd0 > console=com0 > + ... > + module /hurd/acpi.static acpi \ > + --host-priv-port='${host-port}' > --device-master-port='${device-port}' \ > + --next-task='${fs-task}' \ > + '$(acpi-task=task-create)' '$(task-resume)' > + module /hurd/ext2fs.static ext2fs --readonly \ > + --multiboot-command-line='${kernel-command-line}' \ > + --exec-server-task='${exec-task}' -T typed '${root}' \ > + '$(fs-task=task-create)' > + module /lib/ld.so.1 exec /hurd/exec '$(exec-task=task-create)' > + > + > + > > # Code Inside the Kernel > > -- > 2.30.2 > >
-- Samuel --- Pour une évaluation indépendante, transparente et rigoureuse ! Je soutiens la Commission d'Évaluation de l'Inria.
