| alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (c) 2021 Arm Limited. All rights reserved. |
| 3 | * SPDX-License-Identifier: Apache-2.0 |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
| 17 | |
| 18 | #ifndef BUF_ATTRIBUTES_HPP |
| 19 | #define BUF_ATTRIBUTES_HPP |
| 20 | |
| 21 | #ifdef __has_attribute |
| 22 | #define HAVE_ATTRIBUTE(x) __has_attribute(x) |
| 23 | #else /* __has_attribute */ |
| 24 | #define HAVE_ATTRIBUTE(x) 0 |
| 25 | #endif /* __has_attribute */ |
| 26 | |
| 27 | #if HAVE_ATTRIBUTE(aligned) || (defined(__GNUC__) && !defined(__clang__)) |
| 28 | |
| 29 | /* We want all buffers/sections to be aligned to 16 byte. */ |
| 30 | #define ALIGNMENT_REQ aligned(16) |
| 31 | |
| 32 | /* Model data section name. */ |
| 33 | #define MODEL_SECTION section("nn_model") |
| 34 | |
| 35 | /* Label section name */ |
| 36 | #define LABEL_SECTION section("labels") |
| 37 | |
| 38 | #ifndef ACTIVATION_BUF_SZ |
| 39 | #warning "ACTIVATION_BUF_SZ needs to be defined. Using default value" |
| 40 | #define ACTIVATION_BUF_SZ 0x00200000 |
| 41 | #endif /* ACTIVATION_BUF_SZ */ |
| 42 | |
| 43 | #ifndef ACTIVATION_BUF_SRAM_SZ |
| 44 | #warning "ACTIVATION_BUF_SRAM_SZ needs to be defined. Using default value = 0" |
| 45 | #define ACTIVATION_BUF_SRAM_SZ 0x00000000 |
| 46 | #endif /* ACTIVATION_BUF_SRAM_SZ */ |
| 47 | |
| 48 | /** |
| 49 | * Activation buffer aka tensor arena section name |
| 50 | * We have to place the tensor arena in different region based on its size. |
| 51 | * If it fits in SRAM, we place it there, and also mark it by giving it a |
| 52 | * different section name. The scatter file places the ZI data in DDR and |
| 53 | * the uninitialised region in the SRAM. |
| 54 | **/ |
| 55 | #define ACTIVATION_BUF_SECTION_SRAM section(".bss.NoInit.activation_buf") |
| 56 | #define ACTIVATION_BUF_SECTION_DRAM section("activation_buf") |
| 57 | |
| 58 | #if ACTIVATION_BUF_SZ > ACTIVATION_BUF_SRAM_SZ /* Will buffer not fit in SRAM? */ |
| 59 | #define ACTIVATION_BUF_SECTION ACTIVATION_BUF_SECTION_DRAM |
| 60 | #define ACTIVATION_BUF_SECTION_NAME ("DDR") |
| 61 | #else /* ACTIVATION_BUF_SZ > 0x00200000 */ |
| 62 | #define ACTIVATION_BUF_SECTION ACTIVATION_BUF_SECTION_SRAM |
| 63 | #define ACTIVATION_BUF_SECTION_NAME ("SRAM") |
| 64 | #endif /* ACTIVATION_BUF_SZ > 0x00200000 */ |
| 65 | |
| 66 | /* IFM section name. */ |
| 67 | #define IFM_BUF_SECTION section("ifm") |
| 68 | |
| 69 | /* Form the attributes, alignment is mandatory. */ |
| 70 | #define MAKE_ATTRIBUTE(x) __attribute__((ALIGNMENT_REQ, x)) |
| 71 | #define MODEL_TFLITE_ATTRIBUTE MAKE_ATTRIBUTE(MODEL_SECTION) |
| 72 | #define ACTIVATION_BUF_ATTRIBUTE MAKE_ATTRIBUTE(ACTIVATION_BUF_SECTION) |
| 73 | #define IFM_BUF_ATTRIBUTE MAKE_ATTRIBUTE(IFM_BUF_SECTION) |
| 74 | #define LABELS_ATTRIBUTE MAKE_ATTRIBUTE(LABEL_SECTION) |
| 75 | |
| 76 | #else /* HAVE_ATTRIBUTE(aligned) || (defined(__GNUC__) && !defined(__clang__)) */ |
| 77 | |
| 78 | #define MODEL_TFLITE_ATTRIBUTE |
| 79 | #define ACTIVATION_BUF_ATTRIBUTE |
| 80 | #define IFM_BUF_ATTRIBUTE |
| 81 | #define LABELS_ATTRIBUTE |
| 82 | |
| 83 | #endif /* HAVE_ATTRIBUTE(aligned) || (defined(__GNUC__) && !defined(__clang__)) */ |
| 84 | |
| 85 | #endif /* BUF_ATTRIBUTES_HPP */ |