diff options
Diffstat (limited to 'src/cpu/x86')
| -rw-r--r-- | src/cpu/x86/smm/smihandler.c | 20 |
1 files changed, 15 insertions, 5 deletions
diff --git a/src/cpu/x86/smm/smihandler.c b/src/cpu/x86/smm/smihandler.c index bbed0f195e..83ebaf9100 100644 --- a/src/cpu/x86/smm/smihandler.c +++ b/src/cpu/x86/smm/smihandler.c @@ -117,8 +117,14 @@ void smi_handler(u32 smm_revision) { unsigned int node; smm_state_save_area_t state_save; + u32 smm_base = 0xa8000; /* ASEG */ -#if !CONFIG_SMM_TSEG +#if CONFIG_SMM_TSEG + /* Update global variable TSEG base */ + if (!smi_get_tseg_base()) + return; + smm_base = smi_get_tseg_base() + 0x8000; +#else /* Are we ok to execute the handler? */ if (!smi_obtain_lock()) { /* For security reasons we don't release the other CPUs @@ -146,18 +152,22 @@ void smi_handler(u32 smm_revision) case 0x00030007: state_save.type = LEGACY; state_save.legacy_state_save = (legacy_smm_state_save_area_t *) - (0xa8000 + 0x7e00 - (node * 0x400)); + (smm_base + 0x7e00 - (node * 0x400)); break; case 0x00030100: - case 0x00030101: /* SandyBridge */ state_save.type = EM64T; state_save.em64t_state_save = (em64t_smm_state_save_area_t *) - (0xa8000 + 0x7d00 - (node * 0x400)); + (smm_base + 0x7d00 - (node * 0x400)); + case 0x00030101: /* SandyBridge/IvyBridge */ + state_save.type = EM64T101; + state_save.em64t101_state_save = + (em64t101_smm_state_save_area_t *) + (smm_base + 0x7d00 - (node * 0x400)); break; case 0x00030064: state_save.type = AMD64; state_save.amd64_state_save = (amd64_smm_state_save_area_t *) - (0xa8000 + 0x7e00 - (node * 0x400)); + (smm_base + 0x7e00 - (node * 0x400)); break; default: printk(BIOS_DEBUG, "smm_revision: 0x%08x\n", smm_revision); |