[Feature]add MT2731_MP2_MR2_SVN388 baseline version
Change-Id: Ief04314834b31e27effab435d3ca8ba33b499059
diff --git a/src/bsp/lk/include/lib/evlog.h b/src/bsp/lk/include/lib/evlog.h
new file mode 100644
index 0000000..53f50e4
--- /dev/null
+++ b/src/bsp/lk/include/lib/evlog.h
@@ -0,0 +1,61 @@
+/*
+ * Copyright (c) 2012 Travis Geiselbrecht
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining
+ * a copy of this software and associated documentation files
+ * (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge,
+ * publish, distribute, sublicense, and/or sell copies of the Software,
+ * and to permit persons to whom the Software is furnished to do so,
+ * subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be
+ * included in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+ * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+ * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+ * CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+ * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+ * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+#ifndef __LIB_EVLOG_H
+#define __LIB_EVLOG_H
+
+#include <inttypes.h>
+#include <sys/types.h>
+
+typedef struct evlog {
+ uint head;
+ uint unitsize;
+ uint len_pow2;
+ uintptr_t *items;
+} evlog_t;
+
+status_t evlog_init_etc(evlog_t *e, uint len, uint unitsize, uintptr_t *items);
+status_t evlog_init(evlog_t *e, uint len, uint unitsize);
+
+/* callback to evlog_dump. */
+typedef void (*evlog_dump_cb)(const uintptr_t *);
+
+void evlog_dump(evlog_t *e, evlog_dump_cb cb);
+
+/* bump the head pointer and return the old one.
+ */
+uint evlog_bump_head(evlog_t *e);
+
+/*
+ * It's assumed you're following a pattern similar to the following:
+ *
+void evlog_add2(evlog_t *e, uintptr_t a, uintptr_t b)
+{
+ uint index = evlog_bump_head(e);
+
+ e->items[index] = a;
+ e->items[index + 1] = b;
+}
+*/
+
+#endif
+