diff options
Diffstat (limited to 'src/cpu/x86/smm')
| -rw-r--r-- | src/cpu/x86/smm/smihandler.c | 54 |
1 files changed, 4 insertions, 50 deletions
diff --git a/src/cpu/x86/smm/smihandler.c b/src/cpu/x86/smm/smihandler.c index 077fa8db8f..0d9131e429 100644 --- a/src/cpu/x86/smm/smihandler.c +++ b/src/cpu/x86/smm/smihandler.c @@ -14,23 +14,6 @@ #include <spi-generic.h> #endif -typedef enum { - AMD64, - EM64T100, - EM64T101, - LEGACY -} save_state_type_t; - -typedef struct { - save_state_type_t type; - union { - amd64_smm_state_save_area_t *amd64_state_save; - em64t100_smm_state_save_area_t *em64t100_state_save; - em64t101_smm_state_save_area_t *em64t101_state_save; - legacy_smm_state_save_area_t *legacy_state_save; - }; -} smm_state_save_area_t; - static int do_driver_init = 1; typedef enum { SMI_LOCKED, SMI_UNLOCKED } smi_semaphore; @@ -162,9 +145,6 @@ bool smm_region_overlaps_handler(const struct region *r) void smi_handler(void) { unsigned int node; - const uint32_t smm_rev = smm_revision(); - smm_state_save_area_t state_save; - u32 smm_base = SMM_BASE; /* ASEG */ /* Are we ok to execute the handler? */ if (!smi_obtain_lock()) { @@ -190,36 +170,10 @@ void smi_handler(void) printk(BIOS_SPEW, "\nSMI# #%d\n", node); - switch (smm_rev) { - case 0x00030002: - case 0x00030007: - state_save.type = LEGACY; - state_save.legacy_state_save = - smm_save_state(smm_base, - SMM_LEGACY_ARCH_OFFSET, node); - break; - case 0x00030100: - state_save.type = EM64T100; - state_save.em64t100_state_save = - smm_save_state(smm_base, - SMM_EM64T100_ARCH_OFFSET, node); - break; - case 0x00030101: /* SandyBridge, IvyBridge, and Haswell */ - state_save.type = EM64T101; - state_save.em64t101_state_save = - smm_save_state(smm_base, - SMM_EM64T101_ARCH_OFFSET, node); - break; - case 0x00020064: - case 0x00030064: - state_save.type = AMD64; - state_save.amd64_state_save = - smm_save_state(smm_base, - SMM_AMD64_ARCH_OFFSET, node); - break; - default: - printk(BIOS_DEBUG, "smm_revision: 0x%08x\n", smm_rev); - printk(BIOS_DEBUG, "SMI# not supported on your CPU\n"); + /* Use smm_get_save_state() to see if the smm revision is supported */ + if (smm_get_save_state(node) == NULL) { + printk(BIOS_WARNING, "smm_revision: 0x%08x\n", smm_revision()); + printk(BIOS_WARNING, "SMI# not supported on your CPU\n"); /* Don't release lock, so no further SMI will happen, * if we don't handle it anyways. */ |