41 lines
1.3 KiB
Diff
41 lines
1.3 KiB
Diff
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diff -Naur --no-dereference a/arch/x86/kvm/vmx/vmx.c b/arch/x86/kvm/vmx/vmx.c
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--- a/arch/x86/kvm/vmx/vmx.c 2024-07-01 21:03:34.000000000 +0300
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+++ b/arch/x86/kvm/vmx/vmx.c 2024-07-01 20:24:05.000000000 +0300
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@@ -6079,6 +6079,36 @@
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return 1;
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}
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+static int handle_rdtsc(struct kvm_vcpu *vcpu)
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+{
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+ u64 _rdtsc = rdtsc();
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+ printk_once("[HookEntry] hook entry function handle_rdtsc is working, return the rdtsc() if no hook , you can hook here!\n");
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+ vcpu->arch.regs[VCPU_REGS_RAX] = _rdtsc & -1u;
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+ vcpu->arch.regs[VCPU_REGS_RDX] = (_rdtsc >> 32) & -1u;
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+ return kvm_skip_emulated_instruction(vcpu);
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+}
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+
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+static int handle_rdtscp(struct kvm_vcpu *vcpu)
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+{
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+ u64 _rdtsc = rdtsc();
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+ printk_once("[HookEntry] hook entry function handle_rdtscp is working, return the rdtsc() if no hook , you can hook here!\n");
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+ vcpu->arch.regs[VCPU_REGS_RAX] = _rdtsc & -1u;
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+ vcpu->arch.regs[VCPU_REGS_RDX] = (_rdtsc >> 32) & -1u;
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+ return kvm_skip_emulated_instruction(vcpu);
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+}
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+
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+static int handle_umwait(struct kvm_vcpu *vcpu)
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+{
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+ kvm_skip_emulated_instruction(vcpu);
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+ return 1;
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+}
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+
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+static int handle_tpause(struct kvm_vcpu *vcpu)
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+{
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+ kvm_skip_emulated_instruction(vcpu);
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+ return 1;
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+}
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+
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/*
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* The exit handlers return 1 if the exit was handled fully and guest execution
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* may resume. Otherwise they set the kvm_run parameter to indicate what needs
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