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([2600:380:c478:16a6:d552:daa5:6691:718e]) by smtp.gmail.com with ESMTPSA id e4sm2192564ill.70.2020.11.05.17.16.37 for <9fans@9fans.net> (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 05 Nov 2020 17:16:37 -0800 (PST) Content-Type: multipart/alternative; boundary=Apple-Mail-6733EEA7-29FE-4B48-90C2-72745FDFF9A6 Content-Transfer-Encoding: 7bit From: "Don A. Bailey" Mime-Version: 1.0 (1.0) Subject: Re: [9fans] Arm Thumb compiler for Cortex-M Date: Thu, 5 Nov 2020 19:16:37 -0600 Message-Id: References: In-Reply-To: To: 9fans <9fans@9fans.net> X-Mailer: iPhone Mail (18A393) Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: bc06cfde-1fcd-11eb-a914-b20ceb4b6c3e --Apple-Mail-6733EEA7-29FE-4B48-90C2-72745FDFF9A6 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Oh right. Thanks, Charles=20 > On Nov 5, 2020, at 6:59 PM, Charles Forsyth wr= ote: >=20 > =EF=BB=BF > http://vitanuova.com/inferno/downloads.html >=20 >> On Fri, Nov 6, 2020 at 12:51 AM Don A. Bailey wrot= e: >> Where the heck is the inferno tree? >>=20 >>>> On Nov 5, 2020, at 6:48 PM, Charles Forsyth = wrote: >>>>=20 >>> =EF=BB=BF >>> tc is different because the register allocation and code generation stra= tegies are different from normal ARM >>>=20 >>>> On Fri, Nov 6, 2020 at 12:46 AM Charles Forsyth wrote: >>>> It's utils/tc in the Inferno tree. 5a does both ARM32 and Thumb (becaus= e it's abstract assembly), as does 5l. >>>>=20 >>>>> On Fri, Nov 6, 2020 at 12:28 AM Don A. Bailey w= rote: >>>>> Any source available? >>>>>=20 >>>>>>> On Nov 5, 2020, at 6:11 PM, Charles Forsyth wrote: >>>>>>>=20 >>>>>> =EF=BB=BF >>>>>> There was a 5[ac] variant for Inferno (ta, tc) that produced Thumb co= de, and 5l could link Thumb and ARM32 code. >>>>>> That wasn't extended once Thumb-2 was issued, since it was different e= nough to require a fair amount of work and we had no immediate application o= n the Cortex. >>>>>>=20 >>>>>>=20 >>>>>>> On Thu, Nov 5, 2020 at 11:38 PM Thaddeus Woskowiak 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 compil= er >>>>>>> which is also interesting. Though I have yet to try it out. >>>>>>>=20 >>>>>>> -taw >>>>>>>=20 >>>>>>> ------------------------------------------ >>>>>>> 9fans: 9fans >>>>>>> Permalink: https://9fans.topicbox.com/groups/9fans/Tc22ac8ae61456f10= -M53d9114f6a2c6402ef14fd63 >>>>>>> Delivery options: https://9fans.topicbox.com/groups/9fans/subscripti= on >=20 > 9fans / 9fans / see discussions + participants + delivery options Permalin= k --Apple-Mail-6733EEA7-29FE-4B48-90C2-72745FDFF9A6 Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Oh right. Thanks, Charles&= nbsp;

On Nov 5, 2020, at= 6:59 PM, Charles Forsyth <charles.forsyth@gmail.com> wrote:

=EF=BB=BF
On Fri, Nov 6, 2020 at 12:51 AM Don A= . Bailey <don.bailey@gmail.com> wrote:
=EF=BB=BF
tc is different b= ecause the register allocation and code generation strategies are different f= rom normal ARM

On Fri, Nov 6, 2020 at 12:46 AM Charles Forsyth <charles.forsyth@gmail.co= m> wrote:
<= div dir=3D"ltr">It's utils/tc in the Inferno tree. 5a does both ARM32 and Th= umb (because it's abstract assembly), as does 5l.

On Fri, Nov 6, 2020 at 1= 2:28 AM Don A. Bailey <don.bailey@gmail.com> wrote:
Any source avai= lable?

On Nov 5, 2020, a= t 6:11 PM, Charles Forsyth <charles.forsyth@gmail.com> wrote:

=EF=BB=BF
There was a 5[ac] variant for Inferno (ta, tc) that produced Thumb code, an= d 5l could link Thumb and ARM32 code.
That wasn't extended once Thumb-2 w= as issued, since it was different enough to require a fair amount of wo= rk and we had no immediate application on the Cortex.

On Thu, Nov 5, 2020 at 11:38 PM Thaddeus Woskowiak <tswoskowiak@gmail.com> wr= ote:
I would like t= o 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

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9fans: 9fans
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