<div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">(Sorry if you get two copies.  I just noticed that most of the email addresses were "noreply")<br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">HI,<br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">There was an email posted a few months ago from Andew Shalit in January that I am borrowing from but the problem comes down to:<br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">* ccl deeply integrates with the OS.  This is what gave you the nice environment.  But it means that changes in the OS break things where other programs will not break.<br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">* ccl does not work on ARM64.  It works on ARM32 and x86-64 but apparently Rosetta2 is not able to exactly work in a way that ccl x86-64 needs it to work for success.<br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">Before this would have all been done by Gary Byers, but, alas, he had to stop working on this.<br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">My "plan" such as it is, is to first develop an ARMv8 simulator in ccl, followed by changing the compiler so that it can compile to ARMv8 all while running in ccl on x86-64.  Then once ccl can partially cross compile itself and write la64fsl files from x86-64 linux ccl then hand write enough of the kernel to slowly bootstrap up an ARMv8 linux version.<br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">That could then be a basis for a M1/M2 mac version.<br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; wid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1); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;"><br></div><div style="outline: none; box-sizing: content-box; line-height: initial; color: rgb(51, 51, 51); font-family: Roboto, sans-serif; font-size: 14px; font-style: normal; font-variant-ligatures: normal; font-variant-caps: normal; font-weight: 400; letter-spacing: normal; orphans: 2; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-text-stroke-width: 0px; background-color: rgb(255, 255, 255); text-decoration-thickness: initial; text-decoration-style: initial; text-decoration-color: initial;">"CCL runs much closer to the metal than most other Lisp implementations. For example, it uses native threads. It uses things like segfaults and interrupts to support the object model, eg knowing when it has to allocate more stack space or trigger a GC. It has a relocating garbage collector. So whoever does the work needs to be comfortable navigating the operating system and CCLs internal data structures and runtime in GDB. And they need to do all that in the context of 30+ years of code that was mostly written by one very smart person. So, yes, it requires someone with a very specific skill set, and there aren’t many such people around."<br></div><div ><br></div><div class="ik_mail_quote answerContentMessage" ><div>On 2022-07-18T08:58:10.000+02:00, vrunhofen <notifications@github.com> wrote:</div><blockquote class="ws-ng-quote"><div class="ws-ng-mail-style--513030eJzz9HPyjwAABGYBgQ"><p></p>
<p dir="auto">Yep. Switched to SBCL after using CCL for a long time. Can't get it to work on my m1 Air.<br>
And there's a related issue asking for m1 support which also has no responses.<br>
Surely it can't be that difficult to support M processors. I couldn't make sense of the errors that show up. I suspect it's some other underlying cause. If anyone has any ideas about what the issue really is, I am happy to contribute along with others to bring CCL to M1/ M2.</p>

<p style="font-size:small;-webkit-text-size-adjust:none;color:#666;">—<br>Reply to this email directly, <a class="defaultMailLink" href="https://github.com/Clozure/ccl/issues/413#issuecomment-1186833862" target="_blank" rel="noopener noreferrer" data-ik="ik-secure">view it on GitHub</a>, or <a class="defaultMailLink" href="https://github.com/notifications/unsubscribe-auth/ACEXJISRZ4CM4BVVJS74YALVUT6AFANCNFSM5VH5YDOQ" target="_blank" rel="noopener noreferrer" data-ik="ik-secure">unsubscribe</a>.<br>You are receiving this because you are subscribed to this thread.<img src="https://github.com/notifications/beacon/ACEXJISDCLLLFFUYJ2XY2VTVUT6AFA5CNFSM5VH5YDO2YY3PNVWWK3TUL52HS4DFVREXG43VMVBW63LNMVXHJKTDN5WW2ZLOORPWSZGOI262LRQ.gif" height="1" width="1" alt=""><span style="color:transparent;font-size:0;display:none;visibility:hidden;overflow:hidden;opacity:0;width:0;height:0;max-width:0;max-height:0;mso-hide:all;">Message ID: <span><Clozure/ccl/issues/413/1186833862</span><span>@</span><span>github</span><span>.</span><span>com></span></span></p>
</div></blockquote></div>