On 01/03/14 02:16, John-Mark Gurney wrote: > Dimitry Andric wrote this message on Fri, Feb 28, 2014 at 20:22 +0100: >> >> For building the sparc64 kernel, there is one open issue left, which is >> that sys/sparc64/include/pcpu.h uses global register variables, and this >> is not supported by clang. A preliminary patch for this is attached, >> but it may or may not blow up your system, please beware! >> >> The patch changes the pcpu and curpcb global register variables into >> inline functions, similar to what is done on other architectures. >> However, the current approach is not optimal, and the emitted code is >> slightly different from what gcc outputs. Any improvements to this >> patch are greatly appreciated! >> >> Last but not least, thanks go out to Roman Divacky for his work with >> llvm/clang upstream in getting the sparc64 backend into shape. > > Ok, I have a new pcpu patch to try. I have only compile tested it. > > It is available here: > https://www.funkthat.com/~jmg/sparc64.pcpu.patch > > I've also attached it. > > Craig, do you mind testing it? > My machine doesn't boot with this patch. OK boot -v Booting... jumping to kernel entry at 0xc0088000. OF_panic: sparc64_init: cannot find boot CPU node Program terminated {1} ok I'm now going to try the version that dim sent. Florian
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