1 /* 2 * Copyright (c) 2022-2023, sakumisu 3 * 4 * SPDX-License-Identifier: Apache-2.0 5 */ 6 #ifndef USB_UTIL_H 7 #define USB_UTIL_H 8 9 #if defined(__CC_ARM) 10 #ifndef __USED 11 #define __USED __attribute__((used)) 12 #endif 13 #ifndef __WEAK 14 #define __WEAK __attribute__((weak)) 15 #endif 16 #ifndef __PACKED 17 #define __PACKED __attribute__((packed)) 18 #endif 19 #ifndef __PACKED_STRUCT 20 #define __PACKED_STRUCT __packed struct 21 #endif 22 #ifndef __PACKED_UNION 23 #define __PACKED_UNION __packed union 24 #endif 25 #ifndef __ALIGNED 26 #define __ALIGNED(x) __attribute__((aligned(x))) 27 #endif 28 #elif defined(__GNUC__) 29 #ifndef __USED 30 #define __USED __attribute__((used)) 31 #endif 32 #ifndef __WEAK 33 #define __WEAK __attribute__((weak)) 34 #endif 35 #ifndef __PACKED 36 #define __PACKED __attribute__((packed, aligned(1))) 37 #endif 38 #ifndef __PACKED_STRUCT 39 #define __PACKED_STRUCT struct __attribute__((packed, aligned(1))) 40 #endif 41 #ifndef __PACKED_UNION 42 #define __PACKED_UNION union __attribute__((packed, aligned(1))) 43 #endif 44 #ifndef __ALIGNED 45 #define __ALIGNED(x) __attribute__((aligned(x))) 46 #endif 47 #elif defined(__ICCARM__) || defined(__ICCRX__) || defined(__ICCRISCV__) 48 #if (__VER__ >= 8000000) 49 #define __ICCARM_V8 1 50 #else 51 #define __ICCARM_V8 0 52 #endif 53 54 #ifndef __USED 55 #if defined(__ICCARM_V8) || defined(__ICCRISCV__) 56 #define __USED __attribute__((used)) 57 #else 58 #define __USED __root 59 #endif 60 #endif 61 62 #ifndef __WEAK 63 #if defined(__ICCARM_V8) || defined(__ICCRISCV__) 64 #define __WEAK __attribute__((weak)) 65 #else 66 #define __WEAK _Pragma("__weak") 67 #endif 68 #endif 69 70 #ifndef __PACKED 71 #if defined(__ICCARM_V8) || defined(__ICCRISCV__) 72 #define __PACKED __attribute__((packed, aligned(1))) 73 #else 74 /* Needs IAR language extensions */ 75 #define __PACKED __packed 76 #endif 77 #endif 78 79 #ifndef __PACKED_STRUCT 80 #if defined(__ICCARM_V8) || defined(__ICCRISCV__) 81 #define __PACKED_STRUCT struct __attribute__((packed, aligned(1))) 82 #else 83 /* Needs IAR language extensions */ 84 #define __PACKED_STRUCT __packed struct 85 #endif 86 #endif 87 88 #ifndef __PACKED_UNION 89 #if defined(__ICCARM_V8) || defined(__ICCRISCV__) 90 #define __PACKED_UNION union __attribute__((packed, aligned(1))) 91 #else 92 /* Needs IAR language extensions */ 93 #define __PACKED_UNION __packed union 94 #endif 95 #endif 96 97 #ifndef __ALIGNED 98 #if defined(__ICCARM_V8) || defined(__ICCRISCV__) 99 #define __ALIGNED(x) __attribute__((aligned(x))) 100 #elif (__VER__ >= 7080000) 101 /* Needs IAR language extensions */ 102 #define __ALIGNED(x) __attribute__((aligned(x))) 103 #else 104 #warning No compiler specific solution for __ALIGNED.__ALIGNED is ignored. 105 #define __ALIGNED(x) 106 #endif 107 #endif 108 109 #endif 110 111 #ifndef __ALIGN_BEGIN 112 #define __ALIGN_BEGIN 113 #endif 114 #ifndef __ALIGN_END 115 #define __ALIGN_END __attribute__((aligned(4))) 116 #endif 117 118 #ifndef ARG_UNUSED 119 #define ARG_UNUSED(x) (void)(x) 120 #endif 121 122 #ifndef LO_BYTE 123 #define LO_BYTE(x) ((uint8_t)(x & 0x00FF)) 124 #endif 125 126 #ifndef HI_BYTE 127 #define HI_BYTE(x) ((uint8_t)((x & 0xFF00) >> 8)) 128 #endif 129 130 #ifndef MAX 131 #define MAX(a, b) (((a) > (b)) ? (a) : (b)) 132 #endif 133 134 #ifndef MIN 135 #define MIN(a, b) (((a) < (b)) ? (a) : (b)) 136 #endif 137 138 #ifndef BCD 139 #define BCD(x) ((((x) / 10) << 4) | ((x) % 10)) 140 #endif 141 142 #ifdef BIT 143 #undef BIT 144 #define BIT(n) (1UL << (n)) 145 #else 146 #define BIT(n) (1UL << (n)) 147 #endif 148 149 #ifndef ARRAY_SIZE 150 #define ARRAY_SIZE(array) \ 151 ((int)((sizeof(array) / sizeof((array)[0])))) 152 #endif 153 154 #ifndef BSWAP16 155 #define BSWAP16(u16) (__builtin_bswap16(u16)) 156 #endif 157 #ifndef BSWAP32 158 #define BSWAP32(u32) (__builtin_bswap32(u32)) 159 #endif 160 161 #define GET_BE16(field) \ 162 (((uint16_t)(field)[0] << 8) | ((uint16_t)(field)[1])) 163 164 #define GET_BE32(field) \ 165 (((uint32_t)(field)[0] << 24) | ((uint32_t)(field)[1] << 16) | ((uint32_t)(field)[2] << 8) | ((uint32_t)(field)[3] << 0)) 166 167 #define SET_BE16(field, value) \ 168 do { \ 169 (field)[0] = (uint8_t)((value) >> 8); \ 170 (field)[1] = (uint8_t)((value) >> 0); \ 171 } while (0) 172 173 #define SET_BE24(field, value) \ 174 do { \ 175 (field)[0] = (uint8_t)((value) >> 16); \ 176 (field)[1] = (uint8_t)((value) >> 8); \ 177 (field)[2] = (uint8_t)((value) >> 0); \ 178 } while (0) 179 180 #define SET_BE32(field, value) \ 181 do { \ 182 (field)[0] = (uint8_t)((value) >> 24); \ 183 (field)[1] = (uint8_t)((value) >> 16); \ 184 (field)[2] = (uint8_t)((value) >> 8); \ 185 (field)[3] = (uint8_t)((value) >> 0); \ 186 } while (0) 187 188 #define WBVAL(x) (x & 0xFF), ((x >> 8) & 0xFF) 189 #define DBVAL(x) (x & 0xFF), ((x >> 8) & 0xFF), ((x >> 16) & 0xFF), ((x >> 24) & 0xFF) 190 191 #define PP_NARG(...) \ 192 PP_NARG_(__VA_ARGS__, PP_RSEQ_N()) 193 #define PP_NARG_(...) \ 194 PP_ARG_N(__VA_ARGS__) 195 #define PP_ARG_N( \ 196 _1, _2, _3, _4, _5, _6, _7, _8, _9, _10, \ 197 _11, _12, _13, _14, _15, _16, _17, _18, _19, _20, \ 198 _21, _22, _23, _24, _25, _26, _27, _28, _29, _30, \ 199 _31, _32, _33, _34, _35, _36, _37, _38, _39, _40, \ 200 _41, _42, _43, _44, _45, _46, _47, _48, _49, _50, \ 201 _51, _52, _53, _54, _55, _56, _57, _58, _59, _60, \ 202 _61, _62, _63, N, ...) N 203 #define PP_RSEQ_N() \ 204 63, 62, 61, 60, \ 205 59, 58, 57, 56, 55, 54, 53, 52, 51, 50, \ 206 49, 48, 47, 46, 45, 44, 43, 42, 41, 40, \ 207 39, 38, 37, 36, 35, 34, 33, 32, 31, 30, \ 208 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, \ 209 19, 18, 17, 16, 15, 14, 13, 12, 11, 10, \ 210 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 211 212 #define USB_MEM_ALIGNX __attribute__((aligned(CONFIG_USB_ALIGN_SIZE))) 213 214 #define USB_ALIGN_UP(size, align) (((size) + (align)-1) & ~((align)-1)) 215 #define USB_ALIGN_DOWN(size, align) ((size) & ~((align)-1)) 216 217 #ifndef usb_phyaddr2ramaddr 218 #define usb_phyaddr2ramaddr(addr) (addr) 219 #endif 220 221 #ifndef usb_ramaddr2phyaddr 222 #define usb_ramaddr2phyaddr(addr) (addr) 223 #endif 224 225 #endif /* USB_UTIL_H */ 226