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S390: Add stub for cpu_get_phys_page_debug
We don't implement any virtual memory in the S390 target so far, so let'sadd a stub for this now mandatory function.
Fixes building of S390 target.
Signed-off-by: Alexander Graf <agraf@suse.de>Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Large page TLB flush
QEMU uses a fixed page size for the CPU TLB. If the guest uses largepages then we effectively split these into multiple smaller pages, andpopulate the corresponding TLB entries on demand.
When the guest invalidates the TLB by virtual address we must invalidate...
Remove cpu_get_phys_page_debug from userspace emulation
cpu_get_phys_page_debug makes no sense for userspace emulation, so remove it.
Signed-off-by: Paul Brook <paul@codesourcery.com>
Update to a hopefully more future proof FSF address
See also 8167ee883931cb20c6264fc19d040ce2dc6ceaaa,530e7615ce3c01882e582c84dc6304ab98a3d5c5 andfad6cb1a565bb73f83fc0e2654489457b489e436.
Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
Add support for S390x system emulation
Let's enable the basics for system emulation so we can run virtual machineswith KVM!
S/390 CPU fake emulation
Because Qemu currently requires a TCG target to exist and there are quite someuseful helpers here to lay the groundwork for out KVM target, let's create astub TCG emulation target for S390X CPUs.
This is required to make tcg happy. The emulation target itself won't work...