diff options
Diffstat (limited to 'target/i386/tcg/sysemu/misc_helper.c')
| -rw-r--r-- | target/i386/tcg/sysemu/misc_helper.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/target/i386/tcg/sysemu/misc_helper.c b/target/i386/tcg/sysemu/misc_helper.c index db0d8a9d79..a2af2c9bba 100644 --- a/target/i386/tcg/sysemu/misc_helper.c +++ b/target/i386/tcg/sysemu/misc_helper.c @@ -99,6 +99,9 @@ void helper_write_crN(CPUX86State *env, int reg, target_ulong t0) cpu_x86_update_cr3(env, t0); break; case 4: + if (t0 & cr4_reserved_bits(env)) { + cpu_vmexit(env, SVM_EXIT_ERR, 0, GETPC()); + } if (((t0 ^ env->cr[4]) & CR4_LA57_MASK) && (env->hflags & HF_CS64_MASK)) { raise_exception_ra(env, EXCP0D_GPF, GETPC()); |