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-rw-r--r--src/cpu/x86/smm/smihandler.c10
-rw-r--r--src/cpu/x86/smm/smm_module_handler.c9
2 files changed, 18 insertions, 1 deletions
diff --git a/src/cpu/x86/smm/smihandler.c b/src/cpu/x86/smm/smihandler.c
index bb4689e24e..8fd95bb563 100644
--- a/src/cpu/x86/smm/smihandler.c
+++ b/src/cpu/x86/smm/smihandler.c
@@ -2,6 +2,7 @@
#include <arch/io.h>
#include <console/console.h>
+#include <commonlib/region.h>
#include <cpu/x86/smm.h>
#include <cpu/x86/smi_deprecated.h>
#include <cpu/amd/amd64_save_state.h>
@@ -119,6 +120,13 @@ static inline void *smm_save_state(uintptr_t base, int arch_offset, int node)
return (void *)base;
}
+bool smm_region_overlaps_handler(const struct region *r)
+{
+ const struct region r_smm = {SMM_BASE, SMM_DEFAULT_SIZE};
+
+ return region_overlap(&r_smm, r);
+}
+
/**
* @brief Interrupt handler for SMI#
*
@@ -129,7 +137,7 @@ void smi_handler(u32 smm_revision)
{
unsigned int node;
smm_state_save_area_t state_save;
- u32 smm_base = 0xa0000; /* ASEG */
+ u32 smm_base = SMM_BASE; /* ASEG */
/* Are we ok to execute the handler? */
if (!smi_obtain_lock()) {
diff --git a/src/cpu/x86/smm/smm_module_handler.c b/src/cpu/x86/smm/smm_module_handler.c
index 404b0ccdaa..37af199080 100644
--- a/src/cpu/x86/smm/smm_module_handler.c
+++ b/src/cpu/x86/smm/smm_module_handler.c
@@ -2,6 +2,7 @@
#include <arch/io.h>
#include <console/console.h>
+#include <commonlib/region.h>
#include <cpu/x86/smm.h>
#include <rmodule.h>
@@ -103,6 +104,14 @@ void *smm_get_save_state(int cpu)
return base;
}
+bool smm_region_overlaps_handler(const struct region *r)
+{
+ const struct region r_smm = {smm_runtime->smbase, smm_runtime->smm_size};
+ const struct region r_aseg = {SMM_BASE, SMM_DEFAULT_SIZE};
+
+ return region_overlap(&r_smm, r) || region_overlap(&r_aseg, r);
+}
+
asmlinkage void smm_handler_start(void *arg)
{
const struct smm_module_params *p;