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/*
* Copyright (c) 2021 Arm Limited. All rights reserved.
* SPDX-License-Identifier: Apache-2.0
*
* 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 BUF_ATTRIBUTES_HPP
#define BUF_ATTRIBUTES_HPP
#ifdef __has_attribute
#define HAVE_ATTRIBUTE(x) __has_attribute(x)
#else /* __has_attribute */
#define HAVE_ATTRIBUTE(x) 0
#endif /* __has_attribute */
#if HAVE_ATTRIBUTE(aligned) || (defined(__GNUC__) && !defined(__clang__))
/* We want all buffers/sections to be aligned to 16 byte. */
#define ALIGNMENT_REQ aligned(16)
/* Model data section name. */
#define MODEL_SECTION section("nn_model")
/* Label section name */
#define LABEL_SECTION section("labels")
#ifndef ACTIVATION_BUF_SZ
#warning "ACTIVATION_BUF_SZ needs to be defined. Using default value"
#define ACTIVATION_BUF_SZ 0x00200000
#endif /* ACTIVATION_BUF_SZ */
#ifndef ACTIVATION_BUF_SRAM_SZ
#warning "ACTIVATION_BUF_SRAM_SZ needs to be defined. Using default value = 0"
#define ACTIVATION_BUF_SRAM_SZ 0x00000000
#endif /* ACTIVATION_BUF_SRAM_SZ */
/**
* Activation buffer aka tensor arena section name
* We have to place the tensor arena in different region based on its size.
* If it fits in SRAM, we place it there, and also mark it by giving it a
* different section name. The scatter file places the ZI data in DDR and
* the uninitialised region in the SRAM.
**/
#define ACTIVATION_BUF_SECTION_SRAM section(".bss.NoInit.activation_buf")
#define ACTIVATION_BUF_SECTION_DRAM section("activation_buf")
#if ACTIVATION_BUF_SZ > ACTIVATION_BUF_SRAM_SZ /* Will buffer not fit in SRAM? */
#define ACTIVATION_BUF_SECTION ACTIVATION_BUF_SECTION_DRAM
#define ACTIVATION_BUF_SECTION_NAME ("DDR")
#else /* ACTIVATION_BUF_SZ > 0x00200000 */
#define ACTIVATION_BUF_SECTION ACTIVATION_BUF_SECTION_SRAM
#define ACTIVATION_BUF_SECTION_NAME ("SRAM")
#endif /* ACTIVATION_BUF_SZ > 0x00200000 */
/* IFM section name. */
#define IFM_BUF_SECTION section("ifm")
/* Form the attributes, alignment is mandatory. */
#define MAKE_ATTRIBUTE(x) __attribute__((ALIGNMENT_REQ, x))
#define MODEL_TFLITE_ATTRIBUTE MAKE_ATTRIBUTE(MODEL_SECTION)
#define ACTIVATION_BUF_ATTRIBUTE MAKE_ATTRIBUTE(ACTIVATION_BUF_SECTION)
#define IFM_BUF_ATTRIBUTE MAKE_ATTRIBUTE(IFM_BUF_SECTION)
#define LABELS_ATTRIBUTE MAKE_ATTRIBUTE(LABEL_SECTION)
#else /* HAVE_ATTRIBUTE(aligned) || (defined(__GNUC__) && !defined(__clang__)) */
#define MODEL_TFLITE_ATTRIBUTE
#define ACTIVATION_BUF_ATTRIBUTE
#define IFM_BUF_ATTRIBUTE
#define LABELS_ATTRIBUTE
#endif /* HAVE_ATTRIBUTE(aligned) || (defined(__GNUC__) && !defined(__clang__)) */
#endif /* BUF_ATTRIBUTES_HPP */
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