Hi Laurent,
On 06/08/2018 05:05 PM, Laurent Vivier wrote:
> if you want to test the machine, I'm sorry, it doesn't boot
> a MacROM, but you can boot a linux kernel from the command line.
>
> You can install your own disk using debian-installer, with:
>
> ...
> -M q800 \
> -serial none -serial mon:stdio \
> -m 1000M -drive file=m68k.qcow2,format=qcow2 \
> -net nic,model=dp83932,addr=09:00:07:12:34:57 \
> -append "console=ttyS0 vga=off" \
> -kernel vmlinux-4.15.0-2-m68k \
> -initrd initrd.gz \
> -drive file=debian-9.0-m68k-NETINST-1.iso \
> -drive file=m68k.qcow2,format=qcow2 \
> -nographic
>
> If you use a graphic adapter instead of "-nographic", you can use "-g" to set
> the
> size of the display (I use "-g 1600x800x24").
>
> You can get the ISO from:
>
> https://cdimage.debian.org/mirror/cdimage/ports/9.0/m68k/iso-cd/debian-9.0-m68k-NETINST-1.iso
>
> and extract the kernel and initrd.gz:
>
> guestfish --add debian-9.0-m68k-NETINST-1.iso --ro \
> --mount /dev/sda:/ <<_EOF_
> copy-out /install/cdrom/initrd.gz .
> copy-out /install/kernels/vmlinux-4.15.0-2-m68k .
> _EOF_
Running with -d in_asm,int I get:
----------------
IN: nf_get_id
0x0000d432: movel %a3,%d0
0x0000d434: addil #0,%d0
0x0000d43a: movel %d0,%sp@-
0x0000d43c: jsr 0xd404
----------------
IN:
0x0000d404: 071400
INT 1: Unassigned(0xf4) pc=0000d404 sp=00393e60 sr=2700
INT 2: Access Fault(0x8) pc=00000000 sp=00393e58 sr=2700
ssw: 00000506 ea: 00000000 sfc: 5 dfc: 5
----------------
IN:
0x0000280c: clrl %sp@-
0x0000280e: pea 0xffffffffffffffff
0x00002812: movel %d0,%sp@-
0x00002814: moveml %d1-%d5/%a0-%a2,%sp@-
0x00002818: movel %sp,%d0
0x0000281a: andil #-8192,%d0
0x00002820: moveal %d0,%a2
0x00002822: moveal %a2@,%a2
0x00002824: movel %sp,%sp@-
0x00002826: bsrl 0x557c
----------------
IN: buserr_c
0x0000557c: subql #4,%sp
0x0000557e: moveml %d2-%d7/%a3-%fp,%sp@-
0x00005582: moveal %sp@(48),%a3
0x00005586: btst #5,%a3@(44)
0x0000558c: bnes 0x5592
...
----------------
IN: panic
0x0002c956: moveal 0x39503c,%a0
0x0002c95c: moveq #101,%d1
0x0002c95e: subql #1,%d1
0x0002c960: bnes 0x2c9c6
objdump -S gives:
0000d404 <nf_get_id_phys>:
d404: 7300 mvsb %d0,%d1
d406: 4e75 rts
Instruction which exists in the disas code, but doesn't seem
tcg-implemented:
disas/m68k.c:3654:{"mvsb", 2, one(0070400), one(0170700), "*bDd",
mcfisa_b },
>
> The mirror to use is: http://ftp.ports.debian.org/debian-ports/
> when it fails, continue without boot loader.
>
> In the same way, you can extract the kernel and the initramfs from the qcow2
> image to use it with "-kernel" and "-initrd":
>
> guestfish --add m68k.qcow2 --mount /dev/sda2:/ <<_EOF_
> copy-out /boot/vmlinux-4.15.0-2-m68k .
> copy-out /boot/initrd.img-4.15.0-2-m68k .
> _EOF_
>
> and boot with:
>
> ...
> -append "root=/dev/sda2 rw console=ttyS0 console=tty \
> -kernel vmlinux-4.15.0-2-m68k \
> -initrd initrd.img-4.15.0-2-m68k
