Re: Cross compiling for the 1750A

[Andrew Haley <aph at redhat dot com>]

On 02/02/2012 09:47 AM, Andrew Haley wrote:
> On 02/02/2012 01:04 AM, ~Stack~ wrote:
>> On 02/01/2012 06:54 AM, Andrew Haley wrote:
>>> On 02/01/2012 12:37 PM, ~Stack~ wrote:
>>>> On 02/01/2012 04:29 AM, Andrew Haley wrote:
>>>>> On 02/01/2012 02:57 AM, ~Stack~ wrote:
>>>>>> I have pasted the make error at the end of the email. I
>>>>>> don't expect someone to solve our problems from it, but hopefully it
>>>>>> helps to see part of the issue we have run into.
>>>>>
>>>>> You're using the wrong assembler.  That's your system's
>>>>> assembler program, not the 1750A assembler.  You need to
>>>>> run that gcc command with -v which will who you what gcc
>>>>> is calling.  You then need to make sure that the assembler
>>>>> in gcc's path is the 1750A version.
>>>>
>>>> Thank you for the reply.
>>>>
>>>> I take it then that the assembler isn't provided with the gcc 3.1
>>>> download. I was hoping that the gcc tarball would be all inclusive.
>>>>
>>>> Any idea where I might be able to obtain a 1750 assembler then?
>>>
>>> In your Windows binary there must be an assembler.  With that
>>> assembler, if it is GNU, must be instructions where to get the
>>> source code.  So, what does that assembler say about -v or
>>> -version?  The same question applies to the linker.
>>
>> When I run the gcc command manually with the -v flag I get mostly the
>> same output with the additional:
>> gcc version 3.1.1
>> GNU CPP version 3.1.1 (cpplib) (MIL-STD-1750A)
>> GNU C version 3.1.1 (1750a)
>> 	compiled by GNU C version 2.96 20000731 (Red Hat Linux 7.2 2.96-129.7.2).
>>
>> So it doesn't look like it is linking against the assembler. To be
>> honest, I was hoping it was a part of the download. :-)
> 
> As I understand it, the assembler was an entirely separate project
> by Oliver Kellogg.  It was on the ESA ftp site, but they've taken
> it down.  No-one seems to know where it is.

Scratch that.

You might be in luck: in that zipfile is what may be a 1750 port of
binutils, which contains an assembler.  It's worth trying to build it
for a 1750A target.

http://downloads.cleanscape.net/1750a/resources/cpp1750.zip

Andrew.