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| author | Paolo Bonzini <pbonzini@redhat.com> | 2023-03-01 15:02:13 +0100 |
|---|---|---|
| committer | Paolo Bonzini <pbonzini@redhat.com> | 2023-03-01 15:02:13 +0100 |
| commit | 526947e496e4447d74b8d42415e2847481c5043d (patch) | |
| tree | 99749e89dea2a252f6a1d721a8d7cf1e3658f405 /target/sparc/mmu_helper.c | |
| parent | d31d2404795e254517e513503d14a7991d61dbe6 (diff) | |
| parent | 79807f3e6bf1186c684312d4e7fb426b2643bade (diff) | |
Merge branch 'xenfv-kvm-15' of git://git.infradead.org/users/dwmw2/qemu into HEAD
This adds support for emulating Xen under Linux/KVM, based on kernel
patches which have been present since Linux v5.12. As with the kernel
support, it's derived from work started by João Martins of Oracle in
2018.
This series just adds the basic platform support — CPUID, hypercalls,
event channels, a stub of XenStore.
A full single-tenant internal implementation of XenStore, and patches
to make QEMU's Xen PV drivers work with this Xen emulation, are waiting
in the wings to be submitted in a follow-on patch series.
As noted in the documentation, it's enabled by setting the xen-version
property on the KVM accelerator, e.g.:
qemu-system-x86_64 -serial mon:stdio -M q35 -display none -m 1G -smp 2 \
-accel kvm,xen-version=0x4000e,kernel-irqchip=split \
-kernel vmlinuz-6.0.7-301.fc37.x86_64 \
-append "console=ttyS0 root=/dev/sda1" \
-drive file=/var/lib/libvirt/images/fedora28.qcow2,if=none,id=disk \
-device ahci,id=ahci -device ide-hd,drive=disk,bus=ahci.0
Even before this was merged, we've already been using it to find and fix
bugs in the Linux kernel Xen guest support:
https://lore.kernel.org/all/4bffa69a949bfdc92c4a18e5a1c3cbb3b94a0d32.camel@infradead.org/
https://lore.kernel.org/all/871qnunycr.ffs@tglx/
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'target/sparc/mmu_helper.c')
| -rw-r--r-- | target/sparc/mmu_helper.c | 2 |
1 files changed, 0 insertions, 2 deletions
diff --git a/target/sparc/mmu_helper.c b/target/sparc/mmu_helper.c index 158ec2ae8f..6e7f46f847 100644 --- a/target/sparc/mmu_helper.c +++ b/target/sparc/mmu_helper.c @@ -924,7 +924,6 @@ hwaddr sparc_cpu_get_phys_page_debug(CPUState *cs, vaddr addr) return phys_addr; } -#ifndef CONFIG_USER_ONLY G_NORETURN void sparc_cpu_do_unaligned_access(CPUState *cs, vaddr addr, MMUAccessType access_type, int mmu_idx, @@ -942,4 +941,3 @@ G_NORETURN void sparc_cpu_do_unaligned_access(CPUState *cs, vaddr addr, cpu_raise_exception_ra(env, TT_UNALIGNED, retaddr); } -#endif /* !CONFIG_USER_ONLY */ |