Mask TSC-deadline timer

ALSchwalm · ALSchwalm · commit 5be6a5e12b81 · 2020-12-18T18:37:48.000-06:00
This is not yet implemented
diff --git a/mythril/src/emulate/cpuid.rs b/mythril/src/emulate/cpuid.rs
@@ -20,6 +20,9 @@ pub fn emulate_cpuid(
 
         // Hide hypervisor feature
         res.ecx &= !(1 << 31);
+
+        // Hide TSC deadline timer
+        res.ecx &= !(1 << 24);
     }
 
     guest_cpu.rax = res.eax as u64 | (guest_cpu.rax & 0xffffffff00000000);

Original file line number	Diff line number	Diff line change
`@@ -20,6 +20,9 @@ pub fn emulate_cpuid(`
`20`	`20`
`21`	`21`	`// Hide hypervisor feature`
`22`	`22`	`res.ecx &= !(1 << 31);`
	`23`	`+`
	`24`	`+ // Hide TSC deadline timer`
	`25`	`+ res.ecx &= !(1 << 24);`
`23`	`26`	`}`
`24`	`27`
`25`	`28`	`guest_cpu.rax = res.eax as u64 \| (guest_cpu.rax & 0xffffffff00000000);`