On Thu, Aug 30, 2018 at 05:53:42PM +0200, Almudena Garcia wrote: > I've said It yet. > > > As this > > form, we don't need to know how many cores has the processor and set the > > core number in Mach in compilation time. Instead, the same processor will > > detect the cores number and configure SMP automatically. > > I don't know the exact assembly instructions, but I read about the > processor can be configured from assembly to run in multicore mode. > Then, what we had to do is to write a routine that initializes the > processor with this multicore support, during Mach boot. > > In this guide, in Chapter 8.4 feels to be a better explanation about how to > do this (initialization example in 8.4.4): > https://www.intel.com/content/www/us/en/architecture-and-technology/64-ia-32-architectures-software-developer-vol-3a-part-1-manual.html
Oh, so it's merely runtime probing. -- Richard Braun
