Re: aarch64 memory map

To: Robert Swindells <rjs%fdy2.co.uk@localhost>, port-arm%NetBSD.org@localhost
Subject: Re: aarch64 memory map
From: Nick Hudson <nick.hudson%gmx.co.uk@localhost>
Date: Tue, 13 Nov 2018 09:19:22 +0000

On 12/11/2018 18:35, Robert Swindells wrote:


I'm trying to get lang/sbcl to build on aarch64 and need to pick a

memory range for it to use to mmap(2) a working area.


Why do you need a fixed VA?


I see that the port has __USE_TOPDOWN_VM, what are the limits on
the addresses that userland can use ?


http://src.illumos.org/source/xref/netbsd-src/sys/arch/aarch64/include/vmparam.h#115


Robert Swindells


Nick

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