Subject:
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Problem with asm statement in loader.c
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Newsgroups:
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lugnet.robotics.rcx.legos
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Date:
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Fri, 19 Nov 1999 02:48:40 GMT
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Viewed:
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987 times
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hi,
as many others, i also want to succeed in building legOS (0.2.2). :)
my platform is linux, kernel 2.0.38, glibc1.
i've builded binutils-2.9.1.0.25 and gcc-2.95.2 as described in the howto.
version 0.1.7 works just fine, but if i attempt to build version 0.2.0a or
at least 0.2.2 (without patches), the following (well known) error appears:
loader.c: In function `lnp_logical_write':
loader.c:92: Invalid `asm' statement:
loader.c:92: fixed or forbidden register 2 (cx) was spilled for class CREG.
loader.c: In function `dir_read':
loader.c:110: Invalid `asm' statement:
loader.c:110: fixed or forbidden register 2 (cx) was spilled for class CREG.
loader.c: In function `LNPinit':
loader.c:219: `O_ASYNC' undeclared (first use in this function)
loader.c:219: (Each undeclared identifier is reported only once
loader.c:219: for each function it appears in.)
make[2]: *** [loader.o] Error 1
make[1]: *** [dll] Error 2
this output is also mentioned and explained in the gcc 2.95 faq, at:
http://www.gnu.org/software/gcc/faq.html#asmclobber
i also used gcc 2.8.1, but the same error appears. so at this point, i want
to ask martin: "how did you made it?".
thanks, klaus
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Message has 1 Reply:
 | | Re: Problem with asm statement in loader.c
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| (...) Hi Klaus, first: forget gcc-2.95.2 for CROSS-compiling for the moment, it does NOT work with legOS-0.2.2. You can compile legOS using it, but legOS will hang immediately when you try to download any user program. I guess only Markus is able to (...) (24 years ago, 19-Nov-99, to lugnet.robotics.rcx.legos)
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