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qemu-doc: Add nanoMIPS ISA information

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Add nanoMIPS information in qemu-doc.texi. An example of usage
is included.

Reviewed-by: Aleksandar Markovic <amarkovic@wavecomp.com>
Signed-off-by: Stefan Markovic <smarkovic@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
This commit is contained in:
Stefan Markovic 2019-01-24 16:53:55 +01:00 committed by Aleksandar Markovic
parent dcca150f83
commit f7d257cb4a
1 changed files with 29 additions and 0 deletions
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@ -1995,6 +1995,10 @@ Set the emulated machine type. The default is sun4u.
@section MIPS System emulator
@cindex system emulation (MIPS)
@menu
* nanoMIPS System emulator ::
@end menu
Four executables cover simulation of 32 and 64-bit MIPS systems in
both endian options, @file{qemu-system-mips}, @file{qemu-system-mipsel}
@file{qemu-system-mips64} and @file{qemu-system-mips64el}.
@ -2086,6 +2090,31 @@ SCSI controller
G364 framebuffer
@end itemize
@node nanoMIPS System emulator
@subsection nanoMIPS System emulator
@cindex system emulation (nanoMIPS)
Executable @file{qemu-system-mipsel} also covers simulation of
32-bit nanoMIPS system in little endian mode:
@itemize @minus
@item
nanoMIPS I7200 CPU
@end itemize
Example of @file{qemu-system-mipsel} usage for nanoMIPS is shown below:
Download @code{<disk_image_file>} from @url{https://mipsdistros.mips.com/LinuxDistro/nanomips/buildroot/index.html}.
Download @code{<kernel_image_file>} from @url{https://mipsdistros.mips.com/LinuxDistro/nanomips/kernels/v4.15.18-432-gb2eb9a8b07a1-20180627102142/index.html}.
Start system emulation of Malta board with nanoMIPS I7200 CPU:
@example
qemu-system-mipsel -cpu I7200 -kernel @code{<kernel_image_file>} \
-M malta -serial stdio -m @code{<memory_size>} -hda @code{<disk_image_file>} \
-append "mem=256m@@0x0 rw console=ttyS0 vga=cirrus vesa=0x111 root=/dev/sda"
@end example
@node ARM System emulator
@section ARM System emulator