diff options
| author | Max Filippov <jcmvbkbc@gmail.com> | 2011-10-10 14:48:23 +0400 |
|---|---|---|
| committer | Blue Swirl <blauwirbel@gmail.com> | 2011-10-15 21:38:07 +0000 |
| commit | 3aeaea654afb1b45a99798f87c143392b2994712 (patch) | |
| tree | cff14d722b1820e6247db8cf1ae7405705d614eb /qemu-doc.texi | |
| parent | e7e9af5c822bdeee65a55c14299a71898d151287 (diff) | |
target-xtensa: update qemu-doc.texi
Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Diffstat (limited to 'qemu-doc.texi')
| -rw-r--r-- | qemu-doc.texi | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/qemu-doc.texi b/qemu-doc.texi index 31199f6004..ad19b73f15 100644 --- a/qemu-doc.texi +++ b/qemu-doc.texi @@ -110,6 +110,7 @@ For system emulation, the following hardware targets are supported: @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 @@ -1446,6 +1447,7 @@ differences are mentioned in the following sections. * Cris System emulator:: * Microblaze System emulator:: * SH4 System emulator:: +* Xtensa System emulator:: @end menu @node PowerPC System emulator @@ -2124,6 +2126,59 @@ TODO 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 |