On Jan 15, 2:04pm, Michael van Elst wrote:
} manu%netbsd.org@localhost (Emmanuel Dreyfus) writes:
}
} >Sorry if that has been covered ad nauseum, but I canot find relevant
} >information about that: on NetBSD, how can I get the physical memory
} >address given a virtual memory address? This is to port the Linux
} >Meltdown PoC so that we have something to test our systems against.
}
} pmap_extract() returns the physical address of a virtual address.
} pmap_kernel() gives you the kernel map.
I suspect that he wants to do this from userland.