[Qemu-block] [PATCH v6 00/10] hw/m68k: add Apple Machintosh Quadra 800 machine

[Mark Cave-Ayland]

(MCA: here's the latest version of the q800 patchset. I've hope that I've
addressed most of the comments, plus this will now boot into the Debian
installer correctly when applied to git master.

Outstanding comments:

  1) Should the comment blocks copied from the Linux headers be removed
     from patch 1?

  2) Are there meaningful constants that can be defined for Q800 interrupt
     "controller" in patch 10?

Note that I've also pushed the branch to github:
  https://github.com/mcayland/qemu/tree/q800-dev-part1-mca)


I'm rebasing some of these patches for seven years now,
too many years...

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_

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


v6: Rebase onto git master (this now includes the m68k EXCP_ILLEGAL fix required
      for this patchset to boot)
    Add Hervé's R-B tags
    Drop ASC (Apple Sound Chip) device since the Linux driver is broken and
      it is not required for a successful boot
    Remove extra esp_raise_irq() from ESP pseudo-DMA patch (Hervé)
    Remove "return" from unimplemented write functions and instead add a
      "read only" comment (Hervé)
    Rename MAX_FD to SWIM_MAX_FD in SWIM floppy controller patch to prevent
      potential conflicts with other files (Hervé)

v5: Rebase onto git master
    Add Philippe's R-B to patch 10
    Include the command line to boot a Linux kernel under the q800 machine in 
the
    commit message for patch 11 (Philippe)
    Fix up comments in hw/misc/mac_via.c (Thomas)
    Add asserts to VIA ADB support to prevent potential buffer overflows 
(Thomas)
    Move macfb surface/resolution checks to realise and remove hw_error (Thomas)
    Move macfb draw_line functions inline and remove macfb-template.h (Mark)
    Use guest address rather than source pointer in draw_line functions - this 
brings
      macfb in line with the VGA device and can prevent a potential buffer 
overflow
    Use g_strdup_printf() for memory region names in NuBus devices instead of
      hardcoded length char arrays (Thomas)
    Move NuBus QOM types from patch 7 to patch 8 (spotted by Thomas)
    Move CONFIG_COLDFIRE sections together in hw/m68k/Makefile.objs (Thomas)
    Remove obsolete comment from q800.c in patch 11 (Thomas)

v4: Drop RFC from subject prefix as this is getting close to final
    Rebased onto master (fixing ESP, rom_ptr() conflicts)
    Reworked q800.c based upon Thomas' comments about cpu_init() and
      qemu_check_nic_model()
    Address Thomas' comments on using error_report() instead of hw_error()
    Change the NuBus memory regions from DEVICE_NATIVE_ENDIAN to
      DEVICE_BIG_ENDIAN
    Split macfb Nubus support into separate commit
    Change VMSTATE_BUFFER_UNSAFE() to VMSTATE_UINT8_ARRAY() in macfb.c as
      suggested by David
    Remove dummy Apple Sound Chip migration state as pointed out by David
    Keep VIA ADB state and buffers in the mac_via device rather than adding
      to existing ADBState (this matches the pattern used in the PPC CUDA/PMU
      VIAs)
    Remove blacklisting for q800 machine from "make check" as requested by
      Thomas with the following fixes:
        - Fix incorrect MemoryRegion owner in ASC device
        - Add qtest_enabled() check in q800_init() to allow testing when no
          kernel is specified
        - Move some Mac VIA initialisation from init to realize
    Remove legacy drive properties from SWIM floppy controller and instead
      expose separate floppy bus and drive devices as requested by Kevin
        
v3: fix subject prefix "C" -> "RFC"

v2: remove the dp8393x fixes, because one of the patch breaks something
    Update "dp8393x: manage big endian bus" with idea from Thomas
    Mark has reworked most of the patches:
    - use mos6522
    - some code move, renamings and cleanup


Laurent Vivier (9):
  hw/m68k: add via support
  hw/m68k: implement ADB bus support for via
  escc: introduce a selector for the register bit
  hw/m68k: add macfb video card
  esp: add pseudo-DMA as used by Macintosh
  hw/m68k: add Nubus support
  hw/m68k: add a dummy SWIM floppy controller
  dp8393x: manage big endian bus
  hw/m68k: define Macintosh Quadra 800

Mark Cave-Ayland (1):
  hw/m68k: add Nubus support for macfb video card

 MAINTAINERS                         |  16 +
 arch_init.c                         |   4 +
 default-configs/m68k-softmmu.mak    |  14 +
 hw/Makefile.objs                    |   1 +
 hw/block/Makefile.objs              |   1 +
 hw/block/swim.c                     | 415 +++++++++++++++++
 hw/char/escc.c                      |  30 +-
 hw/display/Makefile.objs            |   1 +
 hw/display/macfb.c                  | 475 ++++++++++++++++++++
 hw/intc/Makefile.objs               |   1 +
 hw/intc/q800_irq.c                  |  73 +++
 hw/m68k/Makefile.objs               |   5 +-
 hw/m68k/bootinfo.h                  | 100 +++++
 hw/m68k/q800.c                      | 345 +++++++++++++++
 hw/misc/Makefile.objs               |   1 +
 hw/misc/mac_via.c                   | 856 ++++++++++++++++++++++++++++++++++++
 hw/net/dp8393x.c                    |  88 ++--
 hw/nubus/Makefile.objs              |   4 +
 hw/nubus/mac-nubus-bridge.c         |  45 ++
 hw/nubus/nubus-bridge.c             |  34 ++
 hw/nubus/nubus-bus.c                | 111 +++++
 hw/nubus/nubus-device.c             | 215 +++++++++
 hw/scsi/esp.c                       | 291 ++++++++++--
 include/hw/block/swim.h             |  76 ++++
 include/hw/char/escc.h              |   1 +
 include/hw/display/macfb.h          |  64 +++
 include/hw/intc/q800_irq.h          |  39 ++
 include/hw/misc/mac_via.h           | 114 +++++
 include/hw/nubus/mac-nubus-bridge.h |  24 +
 include/hw/nubus/nubus.h            |  69 +++
 include/hw/scsi/esp.h               |   7 +
 qemu-options.hx                     |   2 +-
 vl.c                                |   3 +-
 33 files changed, 3455 insertions(+), 70 deletions(-)
 create mode 100644 hw/block/swim.c
 create mode 100644 hw/display/macfb.c
 create mode 100644 hw/intc/q800_irq.c
 create mode 100644 hw/m68k/bootinfo.h
 create mode 100644 hw/m68k/q800.c
 create mode 100644 hw/misc/mac_via.c
 create mode 100644 hw/nubus/Makefile.objs
 create mode 100644 hw/nubus/mac-nubus-bridge.c
 create mode 100644 hw/nubus/nubus-bridge.c
 create mode 100644 hw/nubus/nubus-bus.c
 create mode 100644 hw/nubus/nubus-device.c
 create mode 100644 include/hw/block/swim.h
 create mode 100644 include/hw/display/macfb.h
 create mode 100644 include/hw/intc/q800_irq.h
 create mode 100644 include/hw/misc/mac_via.h
 create mode 100644 include/hw/nubus/mac-nubus-bridge.h
 create mode 100644 include/hw/nubus/nubus.h

-- 
2.11.0