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QEMU: MCE: Add MCE simulation to qemu/tcg

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- 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>
This commit is contained in:
Huang Ying 2009-06-23 10:05:14 +08:00 • committed by Anthony Liguori
parent 2152390dca
commit 79c4f6b080
8 changed files with 217 additions and 2 deletions
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29
target-i386/machine.c
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@ -158,7 +158,20 @@ void cpu_save(QEMUFile *f, void *opaque)
qemu_put_sbe32s(f, &pending_irq);
qemu_put_be32s(f, &env->mp_state);
qemu_put_be64s(f, &env->tsc);
}
/* MCE */
qemu_put_be64s(f, &env->mcg_cap);
if (env->mcg_cap) {
qemu_put_be64s(f, &env->mcg_status);
qemu_put_be64s(f, &env->mcg_ctl);
for (i = 0; i < (env->mcg_cap & 0xff); i++) {
qemu_put_be64s(f, &env->mce_banks[4*i]);
qemu_put_be64s(f, &env->mce_banks[4*i + 1]);
qemu_put_be64s(f, &env->mce_banks[4*i + 2]);
qemu_put_be64s(f, &env->mce_banks[4*i + 3]);
}
}
}
#ifdef USE_X86LDOUBLE
/* XXX: add that in a FPU generic layer */
@ -349,6 +362,20 @@ int cpu_load(QEMUFile *f, void *opaque, int version_id)
qemu_get_be64s(f, &env->tsc);
}
if (version_id >= 10) {
qemu_get_be64s(f, &env->mcg_cap);
if (env->mcg_cap) {
qemu_get_be64s(f, &env->mcg_status);
qemu_get_be64s(f, &env->mcg_ctl);
for (i = 0; i < (env->mcg_cap & 0xff); i++) {
qemu_get_be64s(f, &env->mce_banks[4*i]);
qemu_get_be64s(f, &env->mce_banks[4*i + 1]);
qemu_get_be64s(f, &env->mce_banks[4*i + 2]);
qemu_get_be64s(f, &env->mce_banks[4*i + 3]);
}
}
}
/* XXX: ensure compatiblity for halted bit ? */
/* XXX: compute redundant hflags bits */
env->hflags = hflags;