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From: Charles Forsyth <charles.forsyth@gmail.com>
To: 9fans <9fans@9fans.net>
Subject: Re: [9fans] Arm Thumb compiler for Cortex-M
Date: Fri, 6 Nov 2020 00:47:36 +0000	[thread overview]
Message-ID: <CAOw7k5ik_ZD0gaA-rvb0-GeD9Ng3tw-SVjJCxpiGX1JXXyu6SA@mail.gmail.com> (raw)
In-Reply-To: <CAOw7k5hxkrWBwPuBALheWTLU4-JRjb4Et+HF=T+gqCuccqm1ew@mail.gmail.com>

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tc is different because the register allocation and code generation
strategies are different from normal ARM

On Fri, Nov 6, 2020 at 12:46 AM Charles Forsyth <charles.forsyth@gmail.com>
wrote:

> It's utils/tc in the Inferno tree. 5a does both ARM32 and Thumb (because
> it's abstract assembly), as does 5l.
>
> On Fri, Nov 6, 2020 at 12:28 AM Don A. Bailey <don.bailey@gmail.com>
> wrote:
>
>> Any source available?
>>
>> On Nov 5, 2020, at 6:11 PM, Charles Forsyth <charles.forsyth@gmail.com>
>> wrote:
>>
>> 
>> There was a 5[ac] variant for Inferno (ta, tc) that produced Thumb code,
>> and 5l could link Thumb and ARM32 code.
>> That wasn't extended once Thumb-2 was issued, since it was
>> different enough to require a fair amount of work and we had no
>> immediate application on the Cortex.
>>
>>
>> On Thu, Nov 5, 2020 at 11:38 PM Thaddeus Woskowiak <tswoskowiak@gmail.com>
>> wrote:
>>
>>> I would like to know if anyone is working on or exists an Arm Thumb
>>> compiler so one could use plan 9 to program Arm Cortex M0/3/4/7
>>> microcontrollers directly. I know of Charles Forsyth's xc AVR compiler
>>> which is also interesting. Though I have yet to try it out.
>>>
>>> -taw
>>>
>>> ------------------------------------------
>>> 9fans: 9fans
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>

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  reply	other threads:[~2020-11-06  0:47 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-05 23:36 Thaddeus Woskowiak
2020-11-06  0:10 ` [9fans] " Charles Forsyth
2020-11-06  0:27   ` Don A. Bailey
2020-11-06  0:46     ` Charles Forsyth
2020-11-06  0:47       ` Charles Forsyth [this message]
2020-11-06  0:49         ` Don A. Bailey
2020-11-06  0:58           ` Charles Forsyth
2020-11-06  1:16             ` Don A. Bailey
2020-11-07 14:22   ` Thaddeus Woskowiak
2020-11-07 15:03     ` Charles Forsyth
2020-11-07 21:22       ` Anthony Martin
2020-11-08  1:45         ` Charles Forsyth

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