From 932c4c856feb0a4b2db4b4b78e2a22cfbf7ab456 Mon Sep 17 00:00:00 2001
From: Artem Balyshev <a.balyshev@samsung.com>
Date: Wed, 28 Feb 2024 13:34:20 +0300
Subject: [PATCH] [onert-micro] Add MaxPool2D

This pr adds MaxPool2D refactored kernel into onert-micro.

ONE-DCO-1.0-Signed-off-by: Artem Balyshev <a.balyshev@samsung.com>
---
 onert-micro/onert-micro/include/OMStatus.h    |   1 +
 .../include/pal/common/PALMaxPool2DCommon.h   |  95 +++++++++
 .../include/pal/mcu/KernelsToBuild.lst        |   3 +
 .../include/pal/mcu/PALMaxPool2D.h            |  41 ++++
 .../maxpool2d/FloatMaxPool2DKernel.h          | 107 ++++++++++
 .../maxpool2d/NegMaxPool2DKernel.h            | 201 ++++++++++++++++++
 .../maxpool2d/TestDataMaxPool2DBase.h         |  60 ++++++
 .../src/execute/kernels/MaxPool2D.cpp         | 120 +++++++++++
 .../src/import/kernels/MaxPool2D.cpp          |  90 ++++++++
 9 files changed, 718 insertions(+)
 create mode 100644 onert-micro/onert-micro/include/pal/common/PALMaxPool2DCommon.h
 create mode 100644 onert-micro/onert-micro/include/pal/mcu/PALMaxPool2D.h
 create mode 100644 onert-micro/onert-micro/include/test_models/maxpool2d/FloatMaxPool2DKernel.h
 create mode 100644 onert-micro/onert-micro/include/test_models/maxpool2d/NegMaxPool2DKernel.h
 create mode 100644 onert-micro/onert-micro/include/test_models/maxpool2d/TestDataMaxPool2DBase.h
 create mode 100644 onert-micro/onert-micro/src/execute/kernels/MaxPool2D.cpp
 create mode 100644 onert-micro/onert-micro/src/import/kernels/MaxPool2D.cpp

diff --git a/onert-micro/onert-micro/include/OMStatus.h b/onert-micro/onert-micro/include/OMStatus.h
index b7a41116d27..c7d522a812d 100644
--- a/onert-micro/onert-micro/include/OMStatus.h
+++ b/onert-micro/onert-micro/include/OMStatus.h
@@ -30,6 +30,7 @@ enum OMStatus
   ModelNotImport,
   FailedCheckCondition,
   NoQuantization,
+  UnsupportedQuantizationType,
   UnsupportedDynamicShapeCase,
 };
 
diff --git a/onert-micro/onert-micro/include/pal/common/PALMaxPool2DCommon.h b/onert-micro/onert-micro/include/pal/common/PALMaxPool2DCommon.h
new file mode 100644
index 00000000000..65ddafec625
--- /dev/null
+++ b/onert-micro/onert-micro/include/pal/common/PALMaxPool2DCommon.h
@@ -0,0 +1,95 @@
+/*
+ * Copyright (c) 2024 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ONERT_MICRO_EXECUTE_PAL_MAX_POOL_2D_COMMON_H
+#define ONERT_MICRO_EXECUTE_PAL_MAX_POOL_2D_COMMON_H
+
+#include "Params.h"
+#include "PALUtils.h"
+
+#include "core/OMKernelData.h"
+
+namespace onert_micro
+{
+namespace execute
+{
+namespace pal
+{
+
+OMStatus MaxPool(const core::Pool2DParams &params, const core::OMRuntimeShape &input_shape,
+                 const float *input_data, const core::OMRuntimeShape &output_shape,
+                 float *output_data)
+{
+  const int32_t batches = input_shape.dims(0);
+  const int32_t depth = output_shape.dims(3);
+  const int32_t input_height = input_shape.dims(1);
+  const int32_t input_width = input_shape.dims(2);
+  const int32_t output_height = output_shape.dims(1);
+  const int32_t output_width = output_shape.dims(2);
+  const int32_t stride_height = params.stride_h;
+  const int32_t stride_width = params.stride_w;
+  for (int batch = 0; batch < batches; ++batch)
+  {
+    for (int out_y = 0; out_y < output_height; ++out_y)
+    {
+      for (int out_x = 0; out_x < output_width; ++out_x)
+      {
+        for (int channel = 0; channel < depth; ++channel)
+        {
+          const int in_x_origin = (out_x * stride_width) - params.pad_w;
+          const int in_y_origin = (out_y * stride_height) - params.pad_h;
+          // Compute the boundaries of the filter region clamped so as to
+          // ensure that the filter window fits in the input array.
+          const int filter_x_start = std::max(0, -in_x_origin);
+          const int filter_x_end = std::min(params.filter_w, input_width - in_x_origin);
+          const int filter_y_start = std::max(0, -in_y_origin);
+          const int filter_y_end = std::min(params.filter_h, input_height - in_y_origin);
+          float max = std::numeric_limits<float>::lowest();
+          for (int filter_y = filter_y_start; filter_y < filter_y_end; ++filter_y)
+          {
+            for (int filter_x = filter_x_start; filter_x < filter_x_end; ++filter_x)
+            {
+              const int in_x = in_x_origin + filter_x;
+              const int in_y = in_y_origin + filter_y;
+
+              const int input_data_offset =
+                ((batch * input_shape.dims(1) + in_y) * input_shape.dims(2) + in_x) *
+                  input_shape.dims(3) +
+                channel;
+
+              max = std::max(max, input_data[input_data_offset]);
+            }
+          }
+          const int output_data_offset =
+            ((batch * output_shape.dims(1) + out_y) * output_shape.dims(2) + out_x) *
+              output_shape.dims(3) +
+            channel;
+
+          output_data[output_data_offset] =
+            std::min(std::max(max, params.activation_min), params.activation_max);
+        }
+      }
+    }
+  }
+  return Ok;
+}
+
+} // namespace pal
+} // namespace execute
+} // namespace onert_micro
+
+#endif // ONERT_MICRO_EXECUTE_PAL_MAX_POOL_2D_COMMON_H
diff --git a/onert-micro/onert-micro/include/pal/mcu/KernelsToBuild.lst b/onert-micro/onert-micro/include/pal/mcu/KernelsToBuild.lst
index 5bc3135af80..1b565002c68 100644
--- a/onert-micro/onert-micro/include/pal/mcu/KernelsToBuild.lst
+++ b/onert-micro/onert-micro/include/pal/mcu/KernelsToBuild.lst
@@ -2,3 +2,6 @@ REGISTER_KERNEL(ABS, Abs)
 REGISTER_KERNEL(ADD, Add)
 REGISTER_KERNEL(LOGISTIC, Logistic)
 REGISTER_KERNEL(CONCATENATION, Concatenation)
+REGISTER_KERNEL(MAX_POOL_2D, MaxPool2D)
+REGISTER_KERNEL(MUL, Mul)
+REGISTER_KERNEL(SUB, Sub)
diff --git a/onert-micro/onert-micro/include/pal/mcu/PALMaxPool2D.h b/onert-micro/onert-micro/include/pal/mcu/PALMaxPool2D.h
new file mode 100644
index 00000000000..3b17008b8e6
--- /dev/null
+++ b/onert-micro/onert-micro/include/pal/mcu/PALMaxPool2D.h
@@ -0,0 +1,41 @@
+/*
+ * Copyright (c) 2024 Samsung Electronics Co., Ltd. All Rights Reserved
+ * Copyright 2020 The TensorFlow Authors. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ONERT_MICRO_EXECUTE_PAL_MAX_POOL_2D_H
+#define ONERT_MICRO_EXECUTE_PAL_MAX_POOL_2D_H
+
+#include "PALMaxPool2DCommon.h"
+
+namespace onert_micro
+{
+namespace execute
+{
+namespace pal
+{
+
+OMStatus MaxPool(const core::Pool2DParams &, const core::OMRuntimeShape &, const uint8_t *,
+                 const core::OMRuntimeShape &, uint8_t *, circle::TensorType)
+{
+  assert(false && "Not impl yet");
+  return UnsupportedType;
+}
+
+} // namespace pal
+} // namespace execute
+} // namespace onert_micro
+
+#endif // ONERT_MICRO_EXECUTE_PAL_MAX_POOL_2D_H
diff --git a/onert-micro/onert-micro/include/test_models/maxpool2d/FloatMaxPool2DKernel.h b/onert-micro/onert-micro/include/test_models/maxpool2d/FloatMaxPool2DKernel.h
new file mode 100644
index 00000000000..536399139b4
--- /dev/null
+++ b/onert-micro/onert-micro/include/test_models/maxpool2d/FloatMaxPool2DKernel.h
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2024 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ONERT_MICRO_TEST_MODELS_FLOAT_MAXPOOL2D_KERNEL_H
+#define ONERT_MICRO_TEST_MODELS_FLOAT_MAXPOOL2D_KERNEL_H
+
+#include "TestDataMaxPool2DBase.h"
+
+namespace onert_micro
+{
+namespace test_model
+{
+namespace maxpool2d_float
+{
+/*
+ * maxpool2d Kernel:
+ *
+ *      Input(1, 3, 5, 1)
+ *            |
+ *           MaxPool2D
+ *            |
+ *      Output(1, 2, 2, 1)
+ */
+const unsigned char test_kernel_model_circle[] = {
+  0x18, 0x00, 0x00, 0x00, 0x43, 0x49, 0x52, 0x30, 0x00, 0x00, 0x0e, 0x00, 0x14, 0x00, 0x00, 0x00,
+  0x0c, 0x00, 0x08, 0x00, 0x10, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
+  0xbc, 0x00, 0x00, 0x00, 0x10, 0x02, 0x00, 0x00, 0x2c, 0x02, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00,
+  0xa8, 0x00, 0x00, 0x00, 0xa0, 0x00, 0x00, 0x00, 0x98, 0x00, 0x00, 0x00, 0x78, 0x00, 0x00, 0x00,
+  0x04, 0x00, 0x00, 0x00, 0x96, 0xff, 0xff, 0xff, 0x04, 0x00, 0x00, 0x00, 0x5c, 0x00, 0x00, 0x00,
+  0x0c, 0x00, 0x00, 0x00, 0x08, 0x00, 0x0e, 0x00, 0x08, 0x00, 0x04, 0x00, 0x08, 0x00, 0x00, 0x00,
+  0x14, 0x00, 0x00, 0x00, 0x2c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x0c, 0x00, 0x08, 0x00,
+  0x00, 0x00, 0x07, 0x00, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x00, 0x10, 0x00, 0x0c, 0x00, 0x08, 0x00, 0x04, 0x00,
+  0x0a, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
+  0x05, 0x00, 0x00, 0x00, 0x32, 0x2e, 0x39, 0x2e, 0x31, 0x00, 0x00, 0x00, 0x00, 0x00, 0x06, 0x00,
+  0x08, 0x00, 0x04, 0x00, 0x06, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
+  0x31, 0x2e, 0x35, 0x2e, 0x30, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+  0xd0, 0xfe, 0xff, 0xff, 0xd4, 0xfe, 0xff, 0xff, 0xd8, 0xfe, 0xff, 0xff, 0x01, 0x00, 0x00, 0x00,
+  0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x18, 0x00, 0x14, 0x00, 0x10, 0x00, 0x0c, 0x00,
+  0x08, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00,
+  0x7c, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x84, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
+  0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x0e, 0x00, 0x16, 0x00, 0x00, 0x00, 0x10, 0x00, 0x0c, 0x00, 0x07, 0x00, 0x08, 0x00,
+  0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x1c, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00,
+  0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x18, 0x00, 0x17, 0x00, 0x10, 0x00, 0x0c, 0x00,
+  0x08, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+  0x5c, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0xba, 0xff, 0xff, 0xff, 0x10, 0x00, 0x00, 0x00,
+  0x10, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x20, 0x00, 0x00, 0x00, 0xac, 0xff, 0xff, 0xff,
+  0x11, 0x00, 0x00, 0x00, 0x50, 0x61, 0x72, 0x74, 0x69, 0x74, 0x69, 0x6f, 0x6e, 0x65, 0x64, 0x43,
+  0x61, 0x6c, 0x6c, 0x3a, 0x30, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00,
+  0x14, 0x00, 0x10, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x08, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00,
+  0x14, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x24, 0x00, 0x00, 0x00,
+  0x04, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00, 0x13, 0x00, 0x00, 0x00, 0x73, 0x65, 0x72, 0x76,
+  0x69, 0x6e, 0x67, 0x5f, 0x64, 0x65, 0x66, 0x61, 0x75, 0x6c, 0x74, 0x5f, 0x78, 0x3a, 0x30, 0x00,
+  0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x05, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00,
+  0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x11, 0x11, 0x00, 0x00, 0x00, 0x4f, 0x4e, 0x45, 0x2d, 0x74, 0x66, 0x6c, 0x69,
+  0x74, 0x65, 0x32, 0x63, 0x69, 0x72, 0x63, 0x6c, 0x65, 0x00, 0x00, 0x00};
+
+const std::vector<float> input_data = {
+  1,  -1, 0,  -2, 2,  //
+  -7, -6, -5, -4, -3, //
+  5,  4,  3,  6,  7,  //
+};
+
+const std::vector<float> reference_output_data{
+  1, 2, //
+  5, 7, //
+};
+
+} // namespace maxpool2d_float
+
+class TestDataFloatMaxPool2D : public TestDataMaxPool2DBase<float>
+{
+public:
+  TestDataFloatMaxPool2D()
+  {
+    _input_data = maxpool2d_float::input_data;
+    _reference_output_data = maxpool2d_float::reference_output_data;
+    _test_kernel_model_circle = maxpool2d_float::test_kernel_model_circle;
+  }
+
+  ~TestDataFloatMaxPool2D() override = default;
+};
+
+} // namespace test_model
+} // namespace onert_micro
+
+#endif // ONERT_MICRO_TEST_MODELS_FLOAT_MAXPOOL2D_KERNEL_H
diff --git a/onert-micro/onert-micro/include/test_models/maxpool2d/NegMaxPool2DKernel.h b/onert-micro/onert-micro/include/test_models/maxpool2d/NegMaxPool2DKernel.h
new file mode 100644
index 00000000000..a0c4fda2e05
--- /dev/null
+++ b/onert-micro/onert-micro/include/test_models/maxpool2d/NegMaxPool2DKernel.h
@@ -0,0 +1,201 @@
+/*
+ * Copyright (c) 2024 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ONERT_MICRO_TEST_MODELS_NEG_MAXPOOL2D_KERNEL_H
+#define ONERT_MICRO_TEST_MODELS_NEG_MAXPOOL2D_KERNEL_H
+
+#include "TestDataMaxPool2DBase.h"
+
+namespace onert_micro
+{
+namespace test_model
+{
+namespace neg_maxpool2d_kernel
+{
+/*
+ * maxpool2d Kernel with input_type != output_type:
+ *
+ *      Input(1, 8, 8, 1) = Float32
+ *            |
+ *           MaxPool2D
+ *            |
+ *      Output(1, 7, 7, 1) = Int32
+ */
+const unsigned char test_kernel_model_circle[] = {
+  0x18, 0x00, 0x00, 0x00, 0x43, 0x49, 0x52, 0x30, 0x00, 0x00, 0x0e, 0x00, 0x14, 0x00, 0x00, 0x00,
+  0x0c, 0x00, 0x08, 0x00, 0x10, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
+  0x2c, 0x00, 0x00, 0x00, 0x58, 0x01, 0x00, 0x00, 0x74, 0x01, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+  0x18, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0xff,
+  0xfc, 0xff, 0xff, 0xff, 0x04, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x18, 0x00, 0x14, 0x00, 0x10, 0x00, 0x0c, 0x00,
+  0x08, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00,
+  0x7c, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x84, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
+  0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x0e, 0x00, 0x16, 0x00, 0x00, 0x00, 0x10, 0x00, 0x0c, 0x00, 0x07, 0x00, 0x08, 0x00,
+  0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x1c, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00,
+  0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x18, 0x00, 0x17, 0x00, 0x10, 0x00, 0x0c, 0x00,
+  0x08, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+  0x50, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x14, 0x00, 0x10, 0x00, 0x0f, 0x00,
+  0x08, 0x00, 0x04, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x02, 0x0c, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x6f, 0x66, 0x6d, 0x00,
+  0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x10, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x08, 0x00, 0x04, 0x00,
+  0x0c, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00,
+  0x03, 0x00, 0x00, 0x00, 0x69, 0x66, 0x6d, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x08, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x10, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00, 0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00,
+  0x0c, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11, 0x11, 0x00, 0x00, 0x00,
+  0x4f, 0x4e, 0x45, 0x2d, 0x74, 0x66, 0x6c, 0x69, 0x74, 0x65, 0x32, 0x63, 0x69, 0x72, 0x63, 0x6c,
+  0x65, 0x00, 0x00, 0x00};
+} // namespace neg_maxpool2d_kernel
+
+namespace neg_invalid_input_shape_maxpool2d_kernel
+{
+/*
+ * maxpool2d Kernel with invalid input shape rank=5 (should be == 4):
+ *
+ *      Input(1, 1, 8, 8, 1) = Int32
+ *            |
+ *           MaxPool2D
+ *            |
+ *      Output(1, 7, 7, 1) = Int32
+ */
+const unsigned char test_kernel_model_circle[] = {
+  0x18, 0x00, 0x00, 0x00, 0x43, 0x49, 0x52, 0x30, 0x00, 0x00, 0x0e, 0x00, 0x14, 0x00, 0x00, 0x00,
+  0x0c, 0x00, 0x08, 0x00, 0x10, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
+  0x2c, 0x00, 0x00, 0x00, 0x4c, 0x01, 0x00, 0x00, 0x68, 0x01, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+  0x18, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0xff,
+  0xfc, 0xff, 0xff, 0xff, 0x04, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x18, 0x00, 0x14, 0x00, 0x10, 0x00, 0x0c, 0x00,
+  0x08, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00,
+  0x7c, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x84, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
+  0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x0e, 0x00, 0x16, 0x00, 0x00, 0x00, 0x10, 0x00, 0x0c, 0x00, 0x07, 0x00, 0x08, 0x00,
+  0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x1c, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00,
+  0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x18, 0x00, 0x17, 0x00, 0x10, 0x00, 0x0c, 0x00,
+  0x08, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+  0x40, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0xd4, 0xff, 0xff, 0xff, 0x0c, 0x00, 0x00, 0x00,
+  0x02, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x6f, 0x66, 0x6d, 0x00,
+  0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x10, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x08, 0x00, 0x04, 0x00,
+  0x0c, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00,
+  0x03, 0x00, 0x00, 0x00, 0x69, 0x66, 0x6d, 0x00, 0x05, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00, 0x0b, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x04, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x11,
+  0x11, 0x00, 0x00, 0x00, 0x4f, 0x4e, 0x45, 0x2d, 0x74, 0x66, 0x6c, 0x69, 0x74, 0x65, 0x32, 0x63,
+  0x69, 0x72, 0x63, 0x6c, 0x65, 0x00, 0x00, 0x00};
+} // namespace neg_invalid_input_shape_maxpool2d_kernel
+
+namespace neg_no_quant_params_maxpool2d_kernel
+{
+/*
+ * maxpool2d Kernel S16 without quant params:
+ *
+ *      Input(1, 1, 8, 8, 1) = INT16
+ *            |
+ *           MaxPool2D (no quant params)
+ *            |
+ *      Output(1, 7, 7, 1) = INT16
+ */
+const unsigned char test_kernel_model_circle[] = {
+  0x18, 0x00, 0x00, 0x00, 0x43, 0x49, 0x52, 0x30, 0x00, 0x00, 0x0e, 0x00, 0x14, 0x00, 0x00, 0x00,
+  0x0c, 0x00, 0x08, 0x00, 0x10, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00,
+  0x2c, 0x00, 0x00, 0x00, 0x50, 0x01, 0x00, 0x00, 0x6c, 0x01, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+  0x18, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0xf8, 0xff, 0xff, 0xff,
+  0xfc, 0xff, 0xff, 0xff, 0x04, 0x00, 0x04, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x14, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x18, 0x00, 0x14, 0x00, 0x10, 0x00, 0x0c, 0x00,
+  0x08, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00, 0x1c, 0x00, 0x00, 0x00,
+  0x7c, 0x00, 0x00, 0x00, 0x80, 0x00, 0x00, 0x00, 0x84, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00,
+  0x6d, 0x61, 0x69, 0x6e, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x14, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x0e, 0x00, 0x16, 0x00, 0x00, 0x00, 0x10, 0x00, 0x0c, 0x00, 0x07, 0x00, 0x08, 0x00,
+  0x0e, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x05, 0x1c, 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00,
+  0x34, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0e, 0x00, 0x18, 0x00, 0x17, 0x00, 0x10, 0x00, 0x0c, 0x00,
+  0x08, 0x00, 0x04, 0x00, 0x0e, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x01, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00,
+  0x44, 0x00, 0x00, 0x00, 0x04, 0x00, 0x00, 0x00, 0xd0, 0xff, 0xff, 0xff, 0x10, 0x00, 0x00, 0x00,
+  0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x07, 0x0c, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00,
+  0x6f, 0x66, 0x6d, 0x00, 0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x07, 0x00, 0x00, 0x00,
+  0x07, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x14, 0x00, 0x10, 0x00, 0x0f, 0x00,
+  0x08, 0x00, 0x04, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x07, 0x0c, 0x00, 0x00, 0x00, 0x03, 0x00, 0x00, 0x00, 0x69, 0x66, 0x6d, 0x00,
+  0x04, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00, 0x08, 0x00, 0x00, 0x00,
+  0x01, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x10, 0x00, 0x00, 0x00, 0x0c, 0x00, 0x0c, 0x00,
+  0x0b, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x0c, 0x00, 0x00, 0x00, 0x11, 0x00, 0x00, 0x00,
+  0x00, 0x00, 0x00, 0x11, 0x11, 0x00, 0x00, 0x00, 0x4f, 0x4e, 0x45, 0x2d, 0x74, 0x66, 0x6c, 0x69,
+  0x74, 0x65, 0x32, 0x63, 0x69, 0x72, 0x63, 0x6c, 0x65, 0x00, 0x00, 0x00};
+} // namespace neg_no_quant_params_maxpool2d_kernel
+
+class NegTestDataInputOutputTypeMismatchMaxPool2DKernel : public NegTestDataBase
+{
+public:
+  NegTestDataInputOutputTypeMismatchMaxPool2DKernel()
+  {
+    _test_kernel_model_circle = neg_maxpool2d_kernel::test_kernel_model_circle;
+  }
+
+  ~NegTestDataInputOutputTypeMismatchMaxPool2DKernel() override = default;
+
+  const unsigned char *get_model_ptr() override final { return _test_kernel_model_circle; }
+
+protected:
+  const unsigned char *_test_kernel_model_circle;
+};
+
+class NegTestDataInvalidInputShapeMaxPool2DKernel : public NegTestDataBase
+{
+public:
+  NegTestDataInvalidInputShapeMaxPool2DKernel()
+  {
+    _test_kernel_model_circle = neg_invalid_input_shape_maxpool2d_kernel::test_kernel_model_circle;
+  }
+
+  ~NegTestDataInvalidInputShapeMaxPool2DKernel() override = default;
+
+  const unsigned char *get_model_ptr() override final { return _test_kernel_model_circle; }
+
+protected:
+  const unsigned char *_test_kernel_model_circle;
+};
+
+class NegTestDataNoQuantParamsMaxPool2DKernel : public NegTestDataBase
+{
+public:
+  NegTestDataNoQuantParamsMaxPool2DKernel()
+  {
+    _test_kernel_model_circle = neg_no_quant_params_maxpool2d_kernel::test_kernel_model_circle;
+  }
+
+  ~NegTestDataNoQuantParamsMaxPool2DKernel() override = default;
+
+  const unsigned char *get_model_ptr() override final { return _test_kernel_model_circle; }
+
+protected:
+  const unsigned char *_test_kernel_model_circle;
+};
+
+} // namespace test_model
+} // namespace onert_micro
+
+#endif // ONERT_MICRO_TEST_MODELS_NEG_MAXPOOL2D_KERNEL_H
diff --git a/onert-micro/onert-micro/include/test_models/maxpool2d/TestDataMaxPool2DBase.h b/onert-micro/onert-micro/include/test_models/maxpool2d/TestDataMaxPool2DBase.h
new file mode 100644
index 00000000000..1acb897370e
--- /dev/null
+++ b/onert-micro/onert-micro/include/test_models/maxpool2d/TestDataMaxPool2DBase.h
@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2024 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ONERT_MICRO_TEST_MODELS_MAXPOOL2D_KERNEL_BASE_H
+#define ONERT_MICRO_TEST_MODELS_MAXPOOL2D_KERNEL_BASE_H
+
+#include "test_models/TestDataBase.h"
+
+namespace onert_micro
+{
+namespace test_model
+{
+
+template <typename T> class TestDataMaxPool2DBase : public TestDataBase<T>
+{
+public:
+  TestDataMaxPool2DBase() = default;
+
+  const unsigned char *get_model_ptr() override final { return _test_kernel_model_circle; }
+
+  const std::vector<T> &get_input_data_by_index(int i) override final
+  {
+    switch (i)
+    {
+      case 0:
+        return _input_data;
+      default:
+        assert(false && "Wrong input index");
+    }
+  }
+
+  const std::vector<T> &get_output_data_by_index(int i) override final
+  {
+    assert(i == 0);
+    return _reference_output_data;
+  }
+
+protected:
+  std::vector<T> _input_data;
+  std::vector<T> _reference_output_data;
+  const unsigned char *_test_kernel_model_circle;
+};
+
+} // namespace test_model
+} // namespace onert_micro
+
+#endif // ONERT_MICRO_TEST_MODELS_MAXPOOL2D_KERNEL_BASE_H
diff --git a/onert-micro/onert-micro/src/execute/kernels/MaxPool2D.cpp b/onert-micro/onert-micro/src/execute/kernels/MaxPool2D.cpp
new file mode 100644
index 00000000000..78f8b72a9e1
--- /dev/null
+++ b/onert-micro/onert-micro/src/execute/kernels/MaxPool2D.cpp
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2024 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "OMStatus.h"
+
+#include "core/OMUtils.h"
+#include "core/OMKernelData.h"
+
+#include "execute/OMKernelExecutionBuilder.h"
+#include "execute/OMUtils.h"
+#include "execute/OMRuntimeKernel.h"
+
+#include "PALMaxPool2D.h"
+
+using namespace onert_micro;
+using namespace onert_micro::execute;
+
+namespace
+{
+
+constexpr uint32_t inputTensorIdx = 0;
+constexpr uint32_t outputTensorIdx = 0;
+
+} // namespace
+
+// NOTE: doesnt currently support dynamic shapes
+OMStatus onert_micro::execute::execute_kernel_CircleMaxPool2D(const OMExecuteArgs &execute_args)
+{
+  core::OMRuntimeContext &runtime_context = execute_args.runtime_context;
+  core::OMRuntimeStorage &runtime_storage = execute_args.runtime_storage;
+  uint16_t op_index = execute_args.kernel_index;
+
+  const circle::Tensor *input = nullptr;
+  const circle::Tensor *output = nullptr;
+
+  uint8_t *input_data = nullptr;
+  uint8_t *output_data = nullptr;
+
+  OMStatus status = Ok;
+
+  const circle::Pool2DOptions *options = nullptr;
+  {
+    OMRuntimeKernel runtime_kernel;
+    runtime_kernel.readKernel(op_index, runtime_context);
+
+    input = runtime_kernel.inputs[inputTensorIdx];
+    output = runtime_kernel.outputs[outputTensorIdx];
+
+    assert(input != nullptr);
+    assert(output != nullptr);
+
+    status = runtime_kernel.getDataFromStorage(op_index, runtime_storage, runtime_context);
+    if (status != Ok)
+      return status;
+
+    input_data = runtime_kernel.inputs_data[inputTensorIdx];
+    output_data = runtime_kernel.outputs_data[outputTensorIdx];
+
+    options = runtime_kernel.first_operator->builtin_options_as_Pool2DOptions();
+  }
+
+  assert(input_data != nullptr);
+  assert(output_data != nullptr);
+  assert(options != nullptr);
+
+  core::OMRuntimeShape input_shape(input);
+
+  int32_t padding_h = 0;
+  int32_t padding_w = 0;
+
+  const int input_width = input_shape.dims(2);
+  const int input_height = input_shape.dims(1);
+  execute::computePaddingHeightWidth(
+    options->stride_h(), options->stride_w(), 1 /* dilation_rate_height */,
+    1 /* dilation_rate_width */, input_height, input_width, options->filter_height(),
+    options->filter_width(), options->padding(), &padding_h, &padding_w);
+
+  core::Pool2DParams params{};
+  params.pad_h = padding_h;
+  params.pad_w = padding_w;
+  params.stride_h = options->stride_h();
+  params.stride_w = options->stride_w();
+  params.filter_h = options->filter_height();
+  params.filter_w = options->filter_width();
+
+  switch (input->type())
+  {
+#ifndef DIS_FLOAT
+    case circle::TensorType_FLOAT32:
+    {
+      calculateActivationRange(options->fused_activation_function(), &params.activation_min,
+                               &params.activation_max);
+      status =
+        pal::MaxPool(params, input_shape, core::utils::castInputData<float>(input_data),
+                     core::OMRuntimeShape(output), core::utils::castOutputData<float>(output_data));
+    }
+    break;
+#endif // DIS_FLOAT
+    default:
+    {
+      status = UnsupportedType;
+      assert(false && "Unsupported type.");
+    }
+  }
+
+  return status;
+}
diff --git a/onert-micro/onert-micro/src/import/kernels/MaxPool2D.cpp b/onert-micro/onert-micro/src/import/kernels/MaxPool2D.cpp
new file mode 100644
index 00000000000..ca8c590fdd3
--- /dev/null
+++ b/onert-micro/onert-micro/src/import/kernels/MaxPool2D.cpp
@@ -0,0 +1,90 @@
+/*
+ * Copyright (c) 2024 Samsung Electronics Co., Ltd. All Rights Reserved
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *    http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "OMStatus.h"
+
+#include "core/OMUtils.h"
+#include "core/OMKernelData.h"
+
+#include "import/OMKernelConfigureBuilder.h"
+
+#include "execute/OMRuntimeKernel.h"
+#include "execute/OMUtils.h"
+
+using namespace onert_micro;
+using namespace onert_micro::core;
+
+namespace
+{
+
+constexpr uint32_t inputTensorIdx = 0;
+constexpr uint32_t outputTensorIdx = 0;
+
+} // namespace
+
+OMStatus onert_micro::import::configure_kernel_CircleMaxPool2D(const OMConfigureArgs &config_args)
+{
+  OMRuntimeContext &runtime_context = config_args.runtime_context;
+  uint16_t op_index = config_args.kernel_index;
+
+  onert_micro::execute::OMRuntimeKernel runtime_kernel;
+
+  OMStatus status = runtime_kernel.readKernel(op_index, runtime_context);
+  if (status != Ok)
+    return status;
+
+  const circle::Tensor *input = runtime_kernel.inputs[inputTensorIdx];
+  const circle::Tensor *output = runtime_kernel.outputs[outputTensorIdx];
+
+  assert(input != nullptr);
+  assert(output != nullptr);
+
+  status = utils::checkCondition(input->type() == output->type());
+  if (status != Ok)
+    return status;
+
+  OMRuntimeShape input_shape(input);
+  OMRuntimeShape output_shape(output);
+
+  status = utils::checkCondition(input_shape.dimensionsCount() == output_shape.dimensionsCount());
+  if (status != Ok)
+    return status;
+
+  status = utils::checkCondition(input_shape.dimensionsCount() == 4);
+
+  auto option = runtime_kernel.first_operator->builtin_options_as_Pool2DOptions();
+
+  if (option == nullptr)
+    return UnknownError;
+
+  assert(option != nullptr);
+
+  if (input->type() != circle::TensorType_INT8 and input->type() != circle::TensorType_INT16)
+    return status;
+
+  // Check quantization params
+  if (input->quantization() == nullptr)
+  {
+    return NoQuantization;
+  }
+
+  if (input->quantization()->scale()->size() != 1)
+  {
+    return UnsupportedType;
+  }
+
+  return status;
+}