Date: Mon, 12 Dec 2016 18:29:13 -0600 From: Rob Landley <rob@...dley.net> To: musl@...ts.openwall.com Subject: Re: cortex-m support? On 12/08/2016 03:01 PM, Rich Felker wrote: > On Thu, Dec 08, 2016 at 01:10:11PM -0600, Rob Landley wrote: >> On 12/07/2016 07:16 PM, Rich Felker wrote: >>> On Wed, Dec 07, 2016 at 06:55:56PM -0600, Rob Landley wrote: >>>> Not sure where you get the relevant gcc patch... >>> >>> I have links to the repos somewhere; the problem is that they're >>> forked from a fairly old gcc version (although not nearly as bad as >>> sh-fdpic; I think it's 4.8 or so) >> >> https://github.com/mickael-guene/gcc has a 5.2 branch and "master" >> updated 20 hours ago, although I'm not sure how much of master updating >> is an automatic tracking branch and how much is the account owner >> updating things. > > Excellent! That's new since I last communicated with him. In theory, what you do is follow the instructions in: https://github.com/mickael-guene/fdpic_manifest Which uses repo to download the github repositories, and then has a build.sh. In practice, I'm not sure what branches that uses to build said toolchain. However, this would give you a uClibc-based cortex-m-fdpic toolchain you could then swap musl into. It also has a lsit of kernel patches that theoretically work against vanilla, but you don't have a board for that. :) I did poke you over the summer about running cortex-m binflt binaries under qemu application emulation (works fine). I dunno if it supports the fdpic loader or not, building this toolchain to find out. If not, it's got an emulator there too but I haven't poked at it yet... Rob
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