From: Fangrui Song <i@maskray.me>
To: sidneym@codeaurora.org
Cc: musl@lists.openwall.com
Subject: Re: [musl] Hexagon DSP support
Date: Wed, 15 Apr 2020 11:55:12 -0700 [thread overview]
Message-ID: <20200415185512.6u2xkf3ix6haccwz@gmail.com> (raw)
In-Reply-To: <000a01d61328$7f2614b0$7d723e10$@codeaurora.org>
On 2020-04-15, sidneym@codeaurora.org wrote:
>Recently work has been done with clang/llvm/lld to extend support for
>Qualcomm's Hexagon DSP to a Linux target. At this point the publicly
>available LLVM tools are able to build and run Hexagon programs via QEMU.
>I've attached a patch that add the Hexagon bits to musl. The optimized
>routines have been purposely omitted to keep the size and complexity to a
>minimum.
>
>The changes are being mirrored here:
>https://github.com/quic/musl/tree/hexagon
>The QEMU mirror is here: https://github.com/quic/qemu
>A description of the assembly language is here:
>https://developer.qualcomm.com/download/hexagon/hexagon-v5x-programmers-refe
>rence-manual.pdf?referrer=node/6116
>
>The objective is to have enough freely available tools and libraries that
>any user could develop code for the DSP. The C-library is an important part
>of that stack and this patch is intended to start a discussion of what would
>need to happen in order for Hexagon to be added to the musl sources.
>
>I've tested this using libc-test (git://repo.or.cz/libc-test) and 56 errors
>are reported. The support for Hexagon in QEMU is on-going and while some of
>the errors (math) may be attributed to QEMU most also happen on hardware. A
>good chunk fail due to floating point exception status or precision.
>
>Beyond the above testing a large number of packages have been built using
>buildroot with our internal llvm tools. No issues outside of tweaks to
>avoid glibc assumptions were seen.
WoW
Any chance to move the psABI
(http://lists.llvm.org/pipermail/llvm-dev/attachments/20190916/21516a52/attachment-0001.pdf),
as mentioned by https://reviews.llvm.org/D77021#1950279 to a more discoverable/official place :) ?
next prev parent reply other threads:[~2020-04-15 18:55 UTC|newest]
Thread overview: 43+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-04-15 13:19 sidneym
2020-04-15 16:30 ` Rich Felker
2020-04-15 17:50 ` sidneym
2020-04-15 18:06 ` Szabolcs Nagy
2020-04-15 18:22 ` sidneym
2020-04-16 9:36 ` Szabolcs Nagy
2020-04-16 15:34 ` Rich Felker
2020-04-16 16:26 ` sidneym
2020-04-16 16:34 ` 'Rich Felker'
2020-04-15 18:26 ` Rich Felker
2020-04-15 19:12 ` sidneym
2020-04-15 19:29 ` 'Rich Felker'
2020-04-30 22:44 ` sidneym
2020-04-30 23:51 ` Rich Felker
2020-05-05 23:37 ` sidneym
2020-05-06 0:59 ` Rich Felker
2020-06-18 16:37 ` sidneym
2020-06-18 21:42 ` Szabolcs Nagy
2020-06-19 21:58 ` sidneym
2020-06-19 22:46 ` Rich Felker
2020-06-20 0:03 ` [musl] strtok Robert Skopalík
2020-06-20 0:15 ` Rich Felker
2020-06-20 0:36 ` Robert Skopalík
2020-06-20 0:46 ` Robert Skopalík
2020-06-20 1:44 ` Rich Felker
2020-06-20 7:07 ` Patrick Oppenlander
2020-06-20 13:00 ` Robert Skopalík
2020-06-22 0:57 ` Bery Saidi
2020-06-20 2:29 ` [musl] Hexagon DSP support sidneym
2020-06-20 3:20 ` Rich Felker
2020-07-20 21:26 ` sidneym
2020-07-23 21:56 ` Szabolcs Nagy
2020-07-24 17:49 ` sidneym
2020-09-16 20:49 ` sidneym
2020-09-17 1:32 ` 'Rich Felker'
2020-09-17 22:31 ` sidneym
2020-09-18 1:08 ` Rich Felker
2020-09-18 8:10 ` Szabolcs Nagy
2020-09-20 13:12 ` sidneym
2020-09-20 17:17 ` 'Rich Felker'
2020-09-21 14:09 ` sidneym
2020-04-15 18:55 ` Fangrui Song [this message]
2021-03-09 20:25 sidneym
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