diff options
| author | pd <pd@cvs.openbsd.org> | 2019-05-10 20:17:42 +0000 |
|---|---|---|
| committer | pd <pd@cvs.openbsd.org> | 2019-05-10 20:17:42 +0000 |
| commit | 4fe10ec4ec044375f721764e522e1d5e83833b14 (patch) | |
| tree | f67f996ea398c77711cb9b7ab15d816c9eda7a7c /sys/arch | |
| parent | 66ae7d467b454fe2df3e196af6900e24814de65f (diff) | |
vmm: handle some unhandled exits for SVM
There were some exits for instructions that were unhandled and caused the guest
to terminate if it tried to execute them. We now inject a #ud for those. Also
intercept and #ud RDTSCP and INVLPGA instructions.
ok mlarkin@
Diffstat (limited to 'sys/arch')
| -rw-r--r-- | sys/arch/amd64/amd64/vmm.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/sys/arch/amd64/amd64/vmm.c b/sys/arch/amd64/amd64/vmm.c index 12aeff8b24d..c651f1e88bc 100644 --- a/sys/arch/amd64/amd64/vmm.c +++ b/sys/arch/amd64/amd64/vmm.c @@ -1,4 +1,4 @@ -/* $OpenBSD: vmm.c,v 1.241 2019/04/22 20:31:37 mlarkin Exp $ */ +/* $OpenBSD: vmm.c,v 1.242 2019/05/10 20:17:41 pd Exp $ */ /* * Copyright (c) 2014 Mike Larkin <mlarkin@openbsd.org> * @@ -1970,6 +1970,8 @@ vcpu_reset_regs_svm(struct vcpu *vcpu, struct vcpu_reg_state *vrs) * MWAIT instruction (SVM_INTERCEPT_MWAIT_UNCOND) * MWAIT instruction (SVM_INTERCEPT_MWAIT_COND) * MONITOR instruction (SVM_INTERCEPT_MONITOR) + * RDTSCP instruction (SVM_INTERCEPT_RDTSCP) + * INVLPGA instruction (SVM_INTERCEPT_INVLPGA) * XSETBV instruction (SVM_INTERCEPT_XSETBV) (if available) */ vmcb->v_intercept1 = SVM_INTERCEPT_INTR | SVM_INTERCEPT_NMI | @@ -1980,7 +1982,8 @@ vcpu_reset_regs_svm(struct vcpu *vcpu, struct vcpu_reg_state *vrs) SVM_INTERCEPT_VMLOAD | SVM_INTERCEPT_VMSAVE | SVM_INTERCEPT_STGI | SVM_INTERCEPT_CLGI | SVM_INTERCEPT_SKINIT | SVM_INTERCEPT_ICEBP | SVM_INTERCEPT_MWAIT_UNCOND | SVM_INTERCEPT_MONITOR | - SVM_INTERCEPT_MWAIT_COND; + SVM_INTERCEPT_MWAIT_COND | SVM_INTERCEPT_RDTSCP | + SVM_INTERCEPT_INVLPGA; if (xsave_mask) vmcb->v_intercept2 |= SVM_INTERCEPT_XSETBV; @@ -4568,6 +4571,16 @@ svm_handle_exit(struct vcpu *vcpu) case SVM_VMEXIT_MWAIT: case SVM_VMEXIT_MWAIT_CONDITIONAL: case SVM_VMEXIT_MONITOR: + case SVM_VMEXIT_VMRUN: + case SVM_VMEXIT_VMMCALL: + case SVM_VMEXIT_VMLOAD: + case SVM_VMEXIT_VMSAVE: + case SVM_VMEXIT_STGI: + case SVM_VMEXIT_CLGI: + case SVM_VMEXIT_SKINIT: + case SVM_VMEXIT_RDTSCP: + case SVM_VMEXIT_ICEBP: + case SVM_VMEXIT_INVLPGA: ret = vmm_inject_ud(vcpu); update_rip = 0; break; |