summaryrefslogtreecommitdiff
path: root/src/include/cpu
diff options
context:
space:
mode:
Diffstat (limited to 'src/include/cpu')
-rw-r--r--src/include/cpu/intel/smm_reloc.h38
1 files changed, 38 insertions, 0 deletions
diff --git a/src/include/cpu/intel/smm_reloc.h b/src/include/cpu/intel/smm_reloc.h
new file mode 100644
index 0000000000..80094e73fc
--- /dev/null
+++ b/src/include/cpu/intel/smm_reloc.h
@@ -0,0 +1,38 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#ifndef __INTEL_SMM_RELOC_H__
+#define __INTEL_SMM_RELOC_H__
+
+#include <types.h>
+
+/* These helpers are for performing SMM relocation. */
+void southbridge_smm_init(void);
+u32 northbridge_get_tseg_base(void);
+u32 northbridge_get_tseg_size(void);
+void northbridge_write_smram(u8 smram);
+
+void smm_lock(void);
+void smm_relocate(void);
+
+/* parallel MP helper functions */
+void southbridge_smm_clear_state(void);
+
+/* To be removed. */
+void smm_initialize(void);
+void smm_info(uintptr_t *perm_smbase, size_t *perm_smsize, size_t *smm_save_state_size);
+void smm_relocation_handler(int cpu, uintptr_t curr_smbase, uintptr_t staggered_smbase);
+
+bool cpu_has_alternative_smrr(void);
+
+#endif