diff options
Diffstat (limited to 'src/include/cpu')
| -rw-r--r-- | src/include/cpu/x86/smm.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/include/cpu/x86/smm.h b/src/include/cpu/x86/smm.h index 7dcf4d70e2..9942772f0e 100644 --- a/src/include/cpu/x86/smm.h +++ b/src/include/cpu/x86/smm.h @@ -527,6 +527,10 @@ struct smm_module_params { void *arg; int cpu; const struct smm_runtime *runtime; + /* A canary value that has been placed at the end of the stack. + * If (uintptr_t)canary != *canary then a stack overflow has occurred. + */ + const uintptr_t *canary; }; /* smm_handler_t is called with arg of smm_module_params pointer. */ |