1 files changed, 48 insertions, 0 deletions

diff --git a/tools/perf/arch/csky/annotate/instructions.c b/tools/perf/arch/csky/annotate/instructions.c
new file mode 100644
index 000000000000..5337bfb7d5fc
--- /dev/null
+++ b/tools/perf/arch/csky/annotate/instructions.c
@@ -0,0 +1,48 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+
+#include <linux/compiler.h>
+
+static struct ins_ops *csky__associate_ins_ops(struct arch *arch,
+                                               const char *name)
+{
+        struct ins_ops *ops = NULL;
+
+        /* catch all kind of jumps */
+        if (!strcmp(name, "bt") ||
+            !strcmp(name, "bf") ||
+            !strcmp(name, "bez") ||
+            !strcmp(name, "bnez") ||
+            !strcmp(name, "bnezad") ||
+            !strcmp(name, "bhsz") ||
+            !strcmp(name, "bhz") ||
+            !strcmp(name, "blsz") ||
+            !strcmp(name, "blz") ||
+            !strcmp(name, "br") ||
+            !strcmp(name, "jmpi") ||
+            !strcmp(name, "jmp"))
+                ops = &jump_ops;
+
+        /* catch function call */
+        if (!strcmp(name, "bsr") ||
+            !strcmp(name, "jsri") ||
+            !strcmp(name, "jsr"))
+                ops = &call_ops;
+
+        /* catch function return */
+        if (!strcmp(name, "rts"))
+                ops = &ret_ops;
+
+        if (ops)
+                arch__associate_ins_ops(arch, name, ops);
+        return ops;
+}
+
+static int csky__annotate_init(struct arch *arch, char *cpuid __maybe_unused)
+{
+        arch->initialized = true;
+        arch->objdump.comment_char = '/';
+        arch->associate_instruction_ops = csky__associate_ins_ops;
+
+        return 0;
+}