On Thu, Aug 27, 2009 at 11:54:22PM +0800, wilbur.chan wrote: > There was a patch of kexec on SMP mips 64 , and I attempt to implement > kexec on SMP powerpc . > > I found that ,? it was a little different with? mips when booting a > kernel. We know? that, every CPU jumped directly into kernel on > > mips, but on powerpc , E500 SMP,? the 'master' CPU was in charge of > 'slave'? CPUs , so 'slave' CPU? could do nothing > > but to? wait for 'master'? to wake him up in Init function. > > > How to implement kexec on SMP powerpc? Wilbur, I am not sure about ppc32 arch. Check kexec/purgatory/arch/ppc64/v2wrap.S which makes all secondary cpus to spin in a loop at the physical address 0x60 Regards, M. Mohan Kumar
