1 /* 2 * Copyright (c) 2021 Chipsea Technologies (Shenzhen) Corp., Ltd. All rights reserved. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 /** 16 **************************************************************************************** 17 * 18 * @file arch.h 19 * 20 * @brief This file contains the definitions of the macros and functions that are 21 * architecture dependent. The implementation of those is implemented in the 22 * appropriate architecture directory. 23 * 24 **************************************************************************************** 25 */ 26 27 #ifndef _ARCH_H_ 28 #define _ARCH_H_ 29 30 /* 31 * INCLUDE FILES 32 **************************************************************************************** 33 */ 34 #include "plf.h" // SW configuration 35 36 #include <stdint.h> // standard integer definition 37 #include "compiler.h" // inline functions 38 39 /* 40 * CPU WORD SIZE 41 **************************************************************************************** 42 */ 43 /// ARM is a 32-bit CPU 44 #define CPU_WORD_SIZE 4 45 46 /* 47 * CPU Endianness 48 **************************************************************************************** 49 */ 50 /// ARM is little endian 51 #define CPU_LE 1 52 53 54 /* 55 * DEFINES 56 **************************************************************************************** 57 */ 58 #ifndef NULL 59 #define NULL (void *)0 60 #endif 61 62 #ifndef MAX 63 #define MAX(a, b) ((a) > (b) ? (a) : (b)) 64 #endif 65 66 #ifndef MIN 67 #define MIN(a, b) ((a) < (b) ? (a) : (b)) 68 #endif 69 70 /* 71 * EXPORTED FUNCTION DECLARATION 72 **************************************************************************************** 73 */ 74 75 76 /// Object allocated in shared memory - check linker script 77 #define __SHARED __attribute__ ((section("shram"))) 78 79 // required to define GLOBAL_INT_** macros as inline assembly. This file is included after 80 // definition of ASSERT macros as they are used inside ll.h 81 #include "ll.h" // ll definitions 82 83 #endif // _ARCH_H_ 84