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qemu-irix
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added readme

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kub 2018-03-10 18:38:47 +01:00
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This QEMU patch introduces irix/solaris userland emulation. It currently runs
only under linux (though BSD support would probably be feasable).
### compiling
Configure QEMU for irix/solaris userland emulation and compile:
> configure --target-list=irix-linux-user,irixn32-linux-user,irix64-linux-user,solaris-linux-user
> make && make install
### using
I recommend using binfmt. Prepare some wrapper scripts for each of the qemu
binaries for irix/solaris using this template:
> #! /bin/sh
>
> ex=$1; shift
> a0=$1; shift
>
> export QEMU_RESERVED_VA=1G
> export QEMU_LD_PREFIX=<target rootfs>
> export QEMU_SET_ENV=LANG=C
>
> exec <qemu binary> -0 $a0 $ex "$@"
Install the binfmt (replace the QEMU* environment variables by the location of
the wrapper scripts):
> echo :irix:M::'\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00':'\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xef':${QEMUIRIX32}:P > /proc/sys/fs/binfmt_misc/register
> echo :irixn32:M::'\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08\x00\x00\x00\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x20':'\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff\xff\xff\xff\xff\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\xef':${QEMUIRIXN32}:P > /proc/sys/fs/binfmt_misc/register
> echo :irix64:M::'\x7fELF\x02\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x08':'\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff':${QEMUIRIX64}:P > /proc/sys/fs/binfmt_misc/register
> echo :solaris:M::'\x7fELF\x01\x02\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x02\x00\x02':'\xff\xff\xff\xff\xff\xff\xff\x00\xff\xff\xff\xff\xff\xff\xff\xff\xff\xfe\xff\xff':${QEMUSOLARIS32}:P > /proc/sys/fs/binfmt_misc/register
Now you should be able to directly execute irix/solaris binaries from the shell.
As a rather simple test, try:
> <target rootfs>/bin/ls
send bug reports, fixes etc to <derkub@gmail.com>
Kai-Uwe Bloem