1 files changed, 56 insertions, 0 deletions
diff --git a/tools/perf/util/annotate-arch/annotate-csky.c b/tools/perf/util/annotate-arch/annotate-csky.c
new file mode 100644
index 000000000000..d2b18e4ea2c9
--- /dev/null
+++ b/tools/perf/util/annotate-arch/annotate-csky.c
@@ -0,0 +1,56 @@
+// SPDX-License-Identifier: GPL-2.0
+// Copyright (C) 2019 Hangzhou C-SKY Microsystems co.,ltd.
+#include <string.h>
+#include <linux/compiler.h>
+#include <linux/zalloc.h>
+#include "../disasm.h"
+
+static const struct ins_ops *csky__associate_ins_ops(struct arch *arch,
+						     const char *name)
+{
+	const 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;
+}
+
+const struct arch *arch__new_csky(const struct e_machine_and_e_flags *id,
+				  const char *cpuid __maybe_unused)
+{
+	struct arch *arch = zalloc(sizeof(*arch));
+
+	if (!arch)
+		return NULL;
+
+	arch->name = "csky";
+	arch->id = *id;
+	arch->objdump.comment_char = '/';
+	arch->associate_instruction_ops = csky__associate_ins_ops;
+	return arch;
+}