<html><head><meta http-equiv="Content-Type" content="text/html; charset=utf-8"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Jan 25, 2018, at 1:45 PM, Programmingkid <<a href="mailto:programmingkidx@gmail.com" class="">programmingkidx@gmail.com</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><blockquote type="cite" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class=""><br class="Apple-interchange-newline">On Jan 25, 2018, at 11:09 AM, Jd Lyons via OpenBIOS <<a href="mailto:openbios@openbios.org" class="">openbios@openbios.org</a>> wrote:<br class=""><br class=""><br class=""><br class=""><blockquote type="cite" class="">On Jan 24, 2018, at 1:21 PM, Segher Boessenkool <<a href="mailto:segher@kernel.crashing.org" class="">segher@kernel.crashing.org</a>> wrote:<br class=""><br class="">On Wed, Jan 24, 2018 at 09:47:13AM -0500, Programmingkid wrote:<br class=""><blockquote type="cite" class=""><blockquote type="cite" class="">On Jan 23, 2018, at 4:57 PM, Segher Boessenkool <<a href="mailto:segher@kernel.crashing.org" class="">segher@kernel.crashing.org</a>> wrote:<br class="">You meant something like<br class=""><br class="">void enable_L2_7447A(void)<br class="">{<br class=""><span class="Apple-tab-span" style="white-space: pre;"> </span>asm("mtspr %0,%1" : : "n"(1017), "r"(0x80000000));<br class="">}<br class=""></blockquote><br class="">I would change "asm" to "asm volatile" to prevent the compiler from optimizing this code out.<span class="Apple-converted-space"> </span><br class=""></blockquote><br class="">The asm has no outputs so it is already volatile.<br class=""><br class=""><br class="">Segher<br class=""><br class="">--<span class="Apple-converted-space"> </span><br class="">OpenBIOS <a href="http://openbios.org/" class="">http://openbios.org/</a><br class="">Mailinglist: <a href="http://lists.openbios.org/mailman/listinfo" class="">http://lists.openbios.org/mailman/listinfo</a><br class="">Free your System - May the Forth be with you<br class=""></blockquote><br class="">Segher, if you have some of the old White Papers on the CPU’s that shipped in Mac’s, or the upgrades offered by third parties, I’d like to get a look at them, if your not under NDA.<br class=""></blockquote><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">This pdf has detailed information on the 7447A</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><a href="https://www.nxp.com/docs/en/data-sheet/MPC7447AEC.pdf" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">https://www.nxp.com/docs/en/data-sheet/MPC7447AEC.pdf</a><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">This has a ton of information on the 7450 (probably still useful to you)</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><a href="https://www.nxp.com/docs/en/reference-manual/MPC7450UM.pdf" style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; orphans: auto; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; widows: auto; word-spacing: 0px; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px;" class="">https://www.nxp.com/docs/en/reference-manual/MPC7450UM.pdf</a><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><span style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; float: none; display: inline !important;" class="">This has information on programming PowerPC processors:</span><br style="font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px;" class=""><a href="https://www.nxp.com/docs/en/reference-manual/MPCFPE32B.pdf" class="">https://www.nxp.com/docs/en/reference-manual/MPCFPE32B.pdf</a></div></blockquote><br class=""></div><div>Thanks PK, as always, you seem to be able to find what I’m looking for;-)</div><br class=""></body></html>