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| author | Maxim Levitsky | 2021-11-11 12:06:03 +0100 |
|---|---|---|
| committer | Paolo Bonzini | 2021-12-10 09:47:18 +0100 |
| commit | 12bc5b4cd5e59b3f8689b71d9d038a55e2777cdc (patch) | |
| tree | 7b8dd82031af7ed7dc003d599bb976f6cb006934 /accel/kvm/kvm-all.c | |
| parent | gdbstub: reject unsupported flags in handle_set_qemu_sstep (diff) | |
| download | qemu-12bc5b4cd5e59b3f8689b71d9d038a55e2777cdc.tar.gz qemu-12bc5b4cd5e59b3f8689b71d9d038a55e2777cdc.tar.xz qemu-12bc5b4cd5e59b3f8689b71d9d038a55e2777cdc.zip | |
gdbstub, kvm: let KVM report supported singlestep flags
Signed-off-by: Maxim Levitsky <mlevitsk@redhat.com>
[Extracted from Maxim's patch into a separate commit. - Paolo]
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20211111110604.207376-5-pbonzini@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'accel/kvm/kvm-all.c')
| -rw-r--r-- | accel/kvm/kvm-all.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/accel/kvm/kvm-all.c b/accel/kvm/kvm-all.c index eecd8031cf..2f5597572a 100644 --- a/accel/kvm/kvm-all.c +++ b/accel/kvm/kvm-all.c @@ -168,6 +168,8 @@ bool kvm_vm_attributes_allowed; bool kvm_direct_msi_allowed; bool kvm_ioeventfd_any_length_allowed; bool kvm_msi_use_devid; +bool kvm_has_guest_debug; +int kvm_sstep_flags; static bool kvm_immediate_exit; static hwaddr kvm_max_slot_size = ~0; @@ -2564,6 +2566,16 @@ static int kvm_init(MachineState *ms) kvm_ioeventfd_any_length_allowed = (kvm_check_extension(s, KVM_CAP_IOEVENTFD_ANY_LENGTH) > 0); +#ifdef KVM_CAP_SET_GUEST_DEBUG + kvm_has_guest_debug = + (kvm_check_extension(s, KVM_CAP_SET_GUEST_DEBUG) > 0); +#endif + + kvm_sstep_flags = 0; + if (kvm_has_guest_debug) { + kvm_sstep_flags = SSTEP_ENABLE; + } + kvm_state = s; ret = kvm_arch_init(ms, s); |