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-rw-r--r--src/include/cbmem.h1
-rw-r--r--src/include/timestamp.h46
2 files changed, 47 insertions, 0 deletions
diff --git a/src/include/cbmem.h b/src/include/cbmem.h
index a681c36ea8..c3f10efee1 100644
--- a/src/include/cbmem.h
+++ b/src/include/cbmem.h
@@ -41,6 +41,7 @@ extern uint64_t high_tables_base, high_tables_size;
#define CBMEM_ID_MPTABLE 0x534d5054
#define CBMEM_ID_RESUME 0x5245534d
#define CBMEM_ID_SMBIOS 0x534d4254
+#define CBMEM_ID_TIMESTAMP 0x54494d45
#define CBMEM_ID_NONE 0x00000000
int cbmem_initialize(void);
diff --git a/src/include/timestamp.h b/src/include/timestamp.h
new file mode 100644
index 0000000000..cfa06e29fc
--- /dev/null
+++ b/src/include/timestamp.h
@@ -0,0 +1,46 @@
+/*
+ * This file is part of the coreboot project.
+ *
+ * Copyright (C) 2011 The ChromiumOS Authors. All rights reserved.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
+ */
+
+#ifndef __TIMESTAMP_H__
+#define __TIMESTAMP_H__
+
+#include <cpu/x86/tsc.h>
+
+struct timestamp_entry {
+ uint32_t entry_id;
+ uint64_t entry_stamp;
+} __attribute__((packed));
+
+struct timestamp_table {
+ uint64_t base_time;
+ uint32_t max_entries;
+ uint32_t num_entries;
+ struct timestamp_entry entries[0]; /* Variable number of entries */
+} __attribute__((packed));
+
+enum timestamp_id {
+ TS_BEFORE_INITRAM = 1,
+ TS_AFTER_INITRAM = 2,
+};
+
+void timestamp_init(tsc_t base);
+void timestamp_add(enum timestamp_id id, tsc_t ts_time);
+void timestamp_add_now(enum timestamp_id id);
+
+#endif