From 250fbcd8bbd0b618f3a2806e4143a670bac0b89b Mon Sep 17 00:00:00 2001
From: Eric Kunze <eric.kunze@arm.com>
Date: Fri, 21 Oct 2022 16:40:55 -0700
Subject: Add serialization of custom op attributes

Requires updated serialization_lib submodule

Signed-off-by: Eric Kunze <eric.kunze@arm.com>
Change-Id: I149680f51242bd45b9a10f7c021f15a59f0ef9c4
---
 src/TosaSerialize.cpp | 14 +++++++++++++-
 1 file changed, 13 insertions(+), 1 deletion(-)

diff --git a/src/TosaSerialize.cpp b/src/TosaSerialize.cpp
index 67fd1c5..ea0c32f 100644
--- a/src/TosaSerialize.cpp
+++ b/src/TosaSerialize.cpp
@@ -1260,8 +1260,20 @@ TosaSerializationOperatorBuilder::build<mlir::tosa::CustomOp>(
   std::string input_name = GetTensorName(op.getOperand(0));
   std::string output_name = GetTensorName(op.getResult(0));
 
+  const std::string implementation_attrs = op.getAttr("implementation_attrs")
+                                               .cast<mlir::StringAttr>()
+                                               .getValue()
+                                               .str();
+
+  std::vector<uint8_t> attrs_data(implementation_attrs.size());
+  memcpy(attrs_data.data(), implementation_attrs.data(), attrs_data.size());
+  TosaCustomAttribute attribute(
+      op.getAttr("identifier").cast<mlir::StringAttr>().getValue().str(),
+      op.getAttr("config").cast<mlir::StringAttr>().getValue().str(),
+      attrs_data);
+
   TosaSerializationOperator *tyop = new TosaSerializationOperator(
-      Op_CUSTOM, Attribute_NONE, nullptr,
+      Op_CUSTOM, Attribute_CustomAttribute, &attribute,
       std::vector<std::string>{input_name},
       std::vector<std::string>{output_name});
 
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