1 files changed, 53 insertions, 0 deletions
diff --git a/tools/perf/util/annotate-arch/annotate-mips.c b/tools/perf/util/annotate-arch/annotate-mips.c
new file mode 100644
index 000000000000..e8d1c6c7e9f3
--- /dev/null
+++ b/tools/perf/util/annotate-arch/annotate-mips.c
@@ -0,0 +1,53 @@
+// SPDX-License-Identifier: GPL-2.0
+#include <string.h>
+#include <linux/compiler.h>
+#include <linux/zalloc.h>
+#include "../disasm.h"
+
+static
+const struct ins_ops *mips__associate_ins_ops(struct arch *arch, const char *name)
+{
+	const struct ins_ops *ops = NULL;
+
+	if (!strncmp(name, "bal", 3) ||
+	    !strncmp(name, "bgezal", 6) ||
+	    !strncmp(name, "bltzal", 6) ||
+	    !strncmp(name, "bgtzal", 6) ||
+	    !strncmp(name, "blezal", 6) ||
+	    !strncmp(name, "beqzal", 6) ||
+	    !strncmp(name, "bnezal", 6) ||
+	    !strncmp(name, "bgtzl", 5) ||
+	    !strncmp(name, "bltzl", 5) ||
+	    !strncmp(name, "bgezl", 5) ||
+	    !strncmp(name, "blezl", 5) ||
+	    !strncmp(name, "jialc", 5) ||
+	    !strncmp(name, "beql", 4) ||
+	    !strncmp(name, "bnel", 4) ||
+	    !strncmp(name, "jal", 3))
+		ops = &call_ops;
+	else if (!strncmp(name, "jr", 2))
+		ops = &ret_ops;
+	else if (name[0] == 'j' || name[0] == 'b')
+		ops = &jump_ops;
+	else
+		return NULL;
+
+	arch__associate_ins_ops(arch, name, ops);
+
+	return ops;
+}
+
+const struct arch *arch__new_mips(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 = "mips";
+	arch->id = *id;
+	arch->objdump.comment_char = '#';
+	arch->associate_instruction_ops = mips__associate_ins_ops;
+	return arch;
+}