tree f41217d121db50e206870f31d3734c69c91cfe28
parent 3f6fee0d4da4237f9aecf25cf51fa50c3934c7ff
author Claudio Imbrenda <imbrenda@linux.ibm.com> 1601653456 +0200
committer Paolo Bonzini <pbonzini@redhat.com> 1605806817 -0500

lib/asm: Add definitions of memory areas

Add definitions and boundaries of memory areas for some architectures.
This is needed by the next patch.

Most architectures only get one generic memory area, wherease x86 and
s390x get some more attention:

x86 gets
* low area (32-bit addresses)
* high PAE area (36-bit addresses)
* the rest

s390x gets
* low area (31-bit addresses)
* the rest

Notice that the number indicates the order in which the areas are
scanned when more than one area is indicated. The default order tries
to get allocations from higher address ranges before trying lower ones.
This tries to keep the precious lower addresses as free as possible.

Signed-off-by: Claudio Imbrenda <imbrenda@linux.ibm.com>
Message-Id: <20201002154420.292134-4-imbrenda@linux.ibm.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>