disable XSETBV, etc instructions for hardware compatibility

diff --git a/palacios/src/palacios/vmm_cpuid.c b/palacios/src/palacios/vmm_cpuid.c
index ab3e91b..ce7c244 100644 (file)
--- a/palacios/src/palacios/vmm_cpuid.c
+++ b/palacios/src/palacios/vmm_cpuid.c
@@ -39,6 +39,10 @@ void v3_init_cpuid_map(struct v3_vm_info * vm) {
 
     // Setup default cpuid entries
 
+
+    // Disable XSAVE (cpuid 0x01, ECX bit 26)
+    v3_cpuid_add_fields(vm, 0x01, 0, 0, 0, 0, (1 << 26), 0, 0, 0);
+
 }