diff options
Diffstat (limited to 'src/soc/intel/baytrail/smihandler.c')
| -rw-r--r-- | src/soc/intel/baytrail/smihandler.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/soc/intel/baytrail/smihandler.c b/src/soc/intel/baytrail/smihandler.c index 6f3f07e73d..1810821ec8 100644 --- a/src/soc/intel/baytrail/smihandler.c +++ b/src/soc/intel/baytrail/smihandler.c @@ -321,6 +321,10 @@ static void southbridge_smi_apmc(void) if (state) { /* EBX in the state save contains the GNVS pointer */ gnvs = (struct global_nvs *)((uint32_t)state->rbx); + if (smm_points_to_smram(gnvs, sizeof(*gnvs))) { + printk(BIOS_ERR, "SMI#: ERROR: GNVS overlaps SMM\n"); + return; + } smm_initialized = 1; printk(BIOS_DEBUG, "SMI#: Setting GNVS to %p\n", gnvs); } |