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.. _PowerPC-System-emulator:
PowerPC System emulator
-----------------------
Use the executable ``qemu-system-ppc`` to simulate a complete 40P (PREP)
or PowerMac PowerPC system.
QEMU emulates the following PowerMac peripherals:
- UniNorth or Grackle PCI Bridge
- PCI VGA compatible card with VESA Bochs Extensions
- 2 PMAC IDE interfaces with hard disk and CD-ROM support
- NE2000 PCI adapters
- Non Volatile RAM
- VIA-CUDA with ADB keyboard and mouse.
QEMU emulates the following 40P (PREP) peripherals:
- PCI Bridge
- PCI VGA compatible card with VESA Bochs Extensions
- 2 IDE interfaces with hard disk and CD-ROM support
- Floppy disk
- PCnet network adapters
- Serial port
- PREP Non Volatile RAM
- PC compatible keyboard and mouse.
Since version 0.9.1, QEMU uses OpenBIOS https://www.openbios.org/ for
the g3beige and mac99 PowerMac and the 40p machines. OpenBIOS is a free
(GPL v2) portable firmware implementation. The goal is to implement a
100% IEEE 1275-1994 (referred to as Open Firmware) compliant firmware.
The following options are specific to the PowerPC emulation:
``-g WxH[xDEPTH]``
Set the initial VGA graphic mode. The default is 800x600x32.
``-prom-env string``
Set OpenBIOS variables in NVRAM, for example:
::
qemu-system-ppc -prom-env 'auto-boot?=false' \
-prom-env 'boot-device=hd:2,\yaboot' \
-prom-env 'boot-args=conf=hd:2,\yaboot.conf'
More information is available at
http://perso.magic.fr/l_indien/qemu-ppc/.
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