diff options
Diffstat (limited to 'src/southbridge/intel/common/smihandler.c')
| -rw-r--r-- | src/southbridge/intel/common/smihandler.c | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/src/southbridge/intel/common/smihandler.c b/src/southbridge/intel/common/smihandler.c index daa0959e3b..d61238c865 100644 --- a/src/southbridge/intel/common/smihandler.c +++ b/src/southbridge/intel/common/smihandler.c @@ -27,6 +27,7 @@ #include <halt.h> #include <pc80/mc146818rtc.h> #include <southbridge/intel/common/pmbase.h> +#include <smmstore.h> #include "pmutil.h" @@ -268,6 +269,26 @@ static void southbridge_smi_gsmi(void) } #endif +static void southbridge_smi_store(void) +{ + u8 sub_command, ret; + em64t101_smm_state_save_area_t *io_smi = + smi_apmc_find_state_save(APM_CNT_SMMSTORE); + uint32_t reg_ebx; + + if (!io_smi) + return; + /* Command and return value in EAX */ + sub_command = (io_smi->rax >> 8) & 0xff; + + /* Parameter buffer in EBX */ + reg_ebx = io_smi->rbx; + + /* drivers/smmstore/smi.c */ + ret = smmstore_exec(sub_command, (uintptr_t *)reg_ebx); + io_smi->rax = ret; +} + static int mainboard_finalized = 0; static void southbridge_smi_apmc(void) @@ -322,6 +343,10 @@ static void southbridge_smi_apmc(void) southbridge_smi_gsmi(); break; #endif + case APM_CNT_SMMSTORE: + if (CONFIG(SMMSTORE)) + southbridge_smi_store(); + break; } mainboard_smi_apmc(reg8); |