@item Syborg SVP base model (ARM Cortex-A8).
@item AXIS-Devboard88 (CRISv32 ETRAX-FS).
@item Petalogix Spartan 3aDSP1800 MMU ref design (MicroBlaze).
+@item Avnet LX60/LX110/LX200 boards (Xtensa)
@end itemize
@cindex supported user mode targets
@c man begin OPTIONS
-During the graphical emulation, you can use the following keys:
+During the graphical emulation, you can use special key combinations to change
+modes. The default key mappings are shown below, but if you use @code{-alt-grab}
+then the modifier is Ctrl-Alt-Shift (instead of Ctrl-Alt) and if you use
+@code{-ctrl-grab} then the modifier is the right Ctrl key (instead of Ctrl-Alt):
+
@table @key
@item Ctrl-Alt-f
@kindex Ctrl-Alt-f
Toggle full screen
+@item Ctrl-Alt-+
+@kindex Ctrl-Alt-+
+Enlarge the screen
+
+@item Ctrl-Alt--
+@kindex Ctrl-Alt--
+Shrink the screen
+
@item Ctrl-Alt-u
@kindex Ctrl-Alt-u
Restore the screen's un-scaled dimensions
* host_drives:: Using host drives
* disk_images_fat_images:: Virtual FAT disk images
* disk_images_nbd:: NBD access
+* disk_images_sheepdog:: Sheepdog disk images
@end menu
@node disk_images_quickstart
qemu -cdrom nbd:localhost:exportname=openSUSE-11.1-ppc-netinst
@end example
+@node disk_images_sheepdog
+@subsection Sheepdog disk images
+
+Sheepdog is a distributed storage system for QEMU. It provides highly
+available block level storage volumes that can be attached to
+QEMU-based virtual machines.
+
+You can create a Sheepdog disk image with the command:
+@example
+qemu-img create sheepdog:@var{image} @var{size}
+@end example
+where @var{image} is the Sheepdog image name and @var{size} is its
+size.
+
+To import the existing @var{filename} to Sheepdog, you can use a
+convert command.
+@example
+qemu-img convert @var{filename} sheepdog:@var{image}
+@end example
+
+You can boot from the Sheepdog disk image with the command:
+@example
+qemu sheepdog:@var{image}
+@end example
+
+You can also create a snapshot of the Sheepdog image like qcow2.
+@example
+qemu-img snapshot -c @var{tag} sheepdog:@var{image}
+@end example
+where @var{tag} is a tag name of the newly created snapshot.
+
+To boot from the Sheepdog snapshot, specify the tag name of the
+snapshot.
+@example
+qemu sheepdog:@var{image}:@var{tag}
+@end example
+
+You can create a cloned image from the existing snapshot.
+@example
+qemu-img create -b sheepdog:@var{base}:@var{tag} sheepdog:@var{image}
+@end example
+where @var{base} is a image name of the source snapshot and @var{tag}
+is its tag name.
+
+If the Sheepdog daemon doesn't run on the local host, you need to
+specify one of the Sheepdog servers to connect to.
+@example
+qemu-img create sheepdog:@var{hostname}:@var{port}:@var{image} @var{size}
+qemu sheepdog:@var{hostname}:@var{port}:@var{image}
+@end example
+
@node pcsys_network
@section Network emulation
* Cris System emulator::
* Microblaze System emulator::
* SH4 System emulator::
+* Xtensa System emulator::
@end menu
@node PowerPC System emulator
TODO
+@node Xtensa System emulator
+@section Xtensa System emulator
+@cindex system emulation (Xtensa)
+
+Two executables cover simulation of both Xtensa endian options,
+@file{qemu-system-xtensa} and @file{qemu-system-xtensaeb}.
+Two different machine types are emulated:
+
+@itemize @minus
+@item
+Xtensa emulator pseudo board "sim"
+@item
+Avnet LX60/LX110/LX200 board
+@end itemize
+
+The sim pseudo board emulation provides an environment similiar
+to one provided by the proprietary Tensilica ISS.
+It supports:
+
+@itemize @minus
+@item
+A range of Xtensa CPUs, default is the DC232B
+@item
+Console and filesystem access via semihosting calls
+@end itemize
+
+The Avnet LX60/LX110/LX200 emulation supports:
+
+@itemize @minus
+@item
+A range of Xtensa CPUs, default is the DC232B
+@item
+16550 UART
+@item
+OpenCores 10/100 Mbps Ethernet MAC
+@end itemize
+
+@c man begin OPTIONS
+
+The following options are specific to the Xtensa emulation:
+
+@table @option
+
+@item -semihosting
+Enable semihosting syscall emulation.
+
+Xtensa semihosting provides basic file IO calls, such as open/read/write/seek/select.
+Tensilica baremetal libc for ISS and linux platform "sim" use this interface.
+
+Note that this allows guest direct access to the host filesystem,
+so should only be used with trusted guest OS.
+
+@end table
@node QEMU User space emulator
@chapter QEMU User space emulator
@example
qemu-i386 tests/i386/ls
@end example
-You can look at @file{qemu-binfmt-conf.sh} so that
+You can look at @file{scripts/qemu-binfmt-conf.sh} so that
QEMU is automatically launched by the Linux kernel when you try to
launch x86 executables. It requires the @code{binfmt_misc} module in the
Linux kernel.
projects / qemu.git / blobdiff