QEMU: MCE: Add MCE simulation to qemu/tcg

- MCE features are initialized when VCPU is intialized according to CPUID.
- A monitor command "mce" is added to inject a MCE.
- A new interrupt mask: CPU_INTERRUPT_MCE is added to inject the MCE.

aliguori: fix build for linux-user

Signed-off-by: Huang Ying <ying.huang@intel.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/cpu-exec.c b/cpu-exec.c
index db5cb57..38335f8 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -400,6 +400,10 @@ int cpu_exec(CPUState *env1)
                             env->hflags2 |= HF2_NMI_MASK;
                             do_interrupt(EXCP02_NMI, 0, 0, 0, 1);
                             next_tb = 0;
+			} else if (interrupt_request & CPU_INTERRUPT_MCE) {
+                            env->interrupt_request &= ~CPU_INTERRUPT_MCE;
+                            do_interrupt(EXCP12_MCHK, 0, 0, 0, 0);
+                            next_tb = 0;
                         } else if ((interrupt_request & CPU_INTERRUPT_HARD) &&
                                    (((env->hflags2 & HF2_VINTR_MASK) && 
                                      (env->hflags2 & HF2_HIF_MASK)) ||