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Message
From: =?unknown-8bit?Q?Gy=F6rgy?= 'nog' Jeney<nog@s...>
Date: Mon May 23 13:05:59 CEST 2005
Subject: [openrisc] using stdio.h functions with or1ksim
> Those undefined functions are part of newlib's OS interface
> (http://sources.redhat.com/newlib/libc.html#SEC196) and should be
> implemented in a platform specific subdirectory of the 'libgloss'
> directory (http://sources.redhat.com/newlib/faq.html#q6). I don't see
> that platform specific directory in the OpenRISC port, neither the
> 'configure.host' file specifies a suitable directory. Newlib provides a
> 'fake' implementation in 'libgloss/libnosys' of those symbols, but seems
> that it's not linked automatically.
>
> Anyway, even if those functions are implemented ( using 'l.sys'
> instructions), this does not solve my problem (see below).
Sorry, I'm not clued up about the newlib port so I don't know what is and what's
not implemented.
> Sorry, i was referring to the emulation different system calls
> defined in the 'unistd.h' header file ( __NR_exit, __NR_fork, __NR_read,
> __NR_write, ...), not to the emulation of the 'l.sys' instruction.
Nothing of this sort is done (at present).
> So, is it possible to do something like this in or1ksim?
Everything's possible as long as you are willing to do the work. If you decide
to implement it I'll give all the support I can.
nog.
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