diff options
Diffstat (limited to 'firmware/export')
-rw-r--r-- | firmware/export/system.h | 120 |
1 files changed, 1 insertions, 119 deletions
diff --git a/firmware/export/system.h b/firmware/export/system.h index 5064fcd91d..4442eb96d7 100644 --- a/firmware/export/system.h +++ b/firmware/export/system.h | |||
@@ -133,24 +133,6 @@ int get_cpu_boost_counter(void); | |||
133 | #define PTR_ADD(ptr, x) ((typeof(ptr))((char*)(ptr) + (x))) | 133 | #define PTR_ADD(ptr, x) ((typeof(ptr))((char*)(ptr) + (x))) |
134 | #define PTR_SUB(ptr, x) ((typeof(ptr))((char*)(ptr) - (x))) | 134 | #define PTR_SUB(ptr, x) ((typeof(ptr))((char*)(ptr) - (x))) |
135 | 135 | ||
136 | /* newer? SDL includes endian.h, So we ignore it */ | ||
137 | #if (CONFIG_PLATFORM & PLATFORM_HOSTED) || defined(__PCTOOL__) | ||
138 | #undef letoh16 | ||
139 | #undef letoh32 | ||
140 | #undef htole16 | ||
141 | #undef htole32 | ||
142 | #undef betoh16 | ||
143 | #undef betoh32 | ||
144 | #undef htobe16 | ||
145 | #undef htobe32 | ||
146 | #endif | ||
147 | |||
148 | /* Android NDK contains swap16 and swap32, ignore them */ | ||
149 | #if (CONFIG_PLATFORM & PLATFORM_ANDROID) | ||
150 | #undef swap16 | ||
151 | #undef swap32 | ||
152 | #endif | ||
153 | |||
154 | /* Get the byte offset of a type's member */ | 136 | /* Get the byte offset of a type's member */ |
155 | #ifndef offsetof | 137 | #ifndef offsetof |
156 | #define offsetof(type, member) __builtin_offsetof(type, member) | 138 | #define offsetof(type, member) __builtin_offsetof(type, member) |
@@ -206,111 +188,11 @@ enum { | |||
206 | #include "system-target.h" | 188 | #include "system-target.h" |
207 | #elif defined(HAVE_SDL) /* SDL build */ | 189 | #elif defined(HAVE_SDL) /* SDL build */ |
208 | #include "system-sdl.h" | 190 | #include "system-sdl.h" |
209 | #define NEED_GENERIC_BYTESWAPS | ||
210 | #elif defined(__PCTOOL__) | 191 | #elif defined(__PCTOOL__) |
211 | #include "system-sdl.h" | 192 | #include "system-sdl.h" |
212 | #define NEED_GENERIC_BYTESWAPS | ||
213 | #endif | 193 | #endif |
214 | #include "bitswap.h" | 194 | #include "bitswap.h" |
215 | 195 | #include "rbendian.h" | |
216 | #ifdef NEED_GENERIC_BYTESWAPS | ||
217 | static inline uint16_t swap16_hw(uint16_t value) | ||
218 | /* | ||
219 | result[15..8] = value[ 7..0]; | ||
220 | result[ 7..0] = value[15..8]; | ||
221 | */ | ||
222 | { | ||
223 | return (value >> 8) | (value << 8); | ||
224 | } | ||
225 | |||
226 | static inline uint32_t swap32_hw(uint32_t value) | ||
227 | /* | ||
228 | result[31..24] = value[ 7.. 0]; | ||
229 | result[23..16] = value[15.. 8]; | ||
230 | result[15.. 8] = value[23..16]; | ||
231 | result[ 7.. 0] = value[31..24]; | ||
232 | */ | ||
233 | { | ||
234 | uint32_t hi = swap16_hw(value >> 16); | ||
235 | uint32_t lo = swap16_hw(value & 0xffff); | ||
236 | return (lo << 16) | hi; | ||
237 | } | ||
238 | |||
239 | static inline uint32_t swap_odd_even32_hw(uint32_t value) | ||
240 | { | ||
241 | /* | ||
242 | result[31..24],[15.. 8] = value[23..16],[ 7.. 0] | ||
243 | result[23..16],[ 7.. 0] = value[31..24],[15.. 8] | ||
244 | */ | ||
245 | uint32_t t = value & 0xff00ff00; | ||
246 | return (t >> 8) | ((t ^ value) << 8); | ||
247 | } | ||
248 | |||
249 | static inline uint32_t swaw32_hw(uint32_t value) | ||
250 | { | ||
251 | /* | ||
252 | result[31..16] = value[15.. 0]; | ||
253 | result[15.. 0] = value[31..16]; | ||
254 | */ | ||
255 | return (value >> 16) | (value << 16); | ||
256 | } | ||
257 | |||
258 | #endif /* NEED_GENERIC_BYTESWAPS */ | ||
259 | |||
260 | /* static endianness conversion */ | ||
261 | #define SWAP16_CONST(x) \ | ||
262 | ((typeof(x))( ((uint16_t)(x) >> 8) | ((uint16_t)(x) << 8) )) | ||
263 | |||
264 | #define SWAP32_CONST(x) \ | ||
265 | ((typeof(x))( ((uint32_t)(x) >> 24) | \ | ||
266 | (((uint32_t)(x) & 0xff0000) >> 8) | \ | ||
267 | (((uint32_t)(x) & 0xff00) << 8) | \ | ||
268 | ((uint32_t)(x) << 24) )) | ||
269 | |||
270 | #define SWAP_ODD_EVEN32_CONST(x) \ | ||
271 | ((typeof(x))( ((uint32_t)SWAP16_CONST((uint32_t)(x) >> 16) << 16) | \ | ||
272 | SWAP16_CONST((uint32_t)(x))) ) | ||
273 | |||
274 | #define SWAW32_CONST(x) \ | ||
275 | ((typeof(x))( ((uint32_t)(x) << 16) | ((uint32_t)(x) >> 16) )) | ||
276 | |||
277 | /* Select best method based upon whether x is a constant expression */ | ||
278 | #define swap16(x) \ | ||
279 | ( __builtin_constant_p(x) ? SWAP16_CONST(x) : (typeof(x))swap16_hw(x) ) | ||
280 | |||
281 | #define swap32(x) \ | ||
282 | ( __builtin_constant_p(x) ? SWAP32_CONST(x) : (typeof(x))swap32_hw(x) ) | ||
283 | |||
284 | #define swap_odd_even32(x) \ | ||
285 | ( __builtin_constant_p(x) ? SWAP_ODD_EVEN32_CONST(x) : (typeof(x))swap_odd_even32_hw(x) ) | ||
286 | |||
287 | #define swaw32(x) \ | ||
288 | ( __builtin_constant_p(x) ? SWAW32_CONST(x) : (typeof(x))swaw32_hw(x) ) | ||
289 | |||
290 | |||
291 | #ifdef ROCKBOX_LITTLE_ENDIAN | ||
292 | #define letoh16(x) (x) | ||
293 | #define letoh32(x) (x) | ||
294 | #define htole16(x) (x) | ||
295 | #define htole32(x) (x) | ||
296 | #define betoh16(x) swap16(x) | ||
297 | #define betoh32(x) swap32(x) | ||
298 | #define htobe16(x) swap16(x) | ||
299 | #define htobe32(x) swap32(x) | ||
300 | #define swap_odd_even_be32(x) (x) | ||
301 | #define swap_odd_even_le32(x) swap_odd_even32(x) | ||
302 | #else | ||
303 | #define letoh16(x) swap16(x) | ||
304 | #define letoh32(x) swap32(x) | ||
305 | #define htole16(x) swap16(x) | ||
306 | #define htole32(x) swap32(x) | ||
307 | #define betoh16(x) (x) | ||
308 | #define betoh32(x) (x) | ||
309 | #define htobe16(x) (x) | ||
310 | #define htobe32(x) (x) | ||
311 | #define swap_odd_even_be32(x) swap_odd_even32(x) | ||
312 | #define swap_odd_even_le32(x) (x) | ||
313 | #endif | ||
314 | 196 | ||
315 | #ifndef BIT_N | 197 | #ifndef BIT_N |
316 | #define BIT_N(n) (1U << (n)) | 198 | #define BIT_N(n) (1U << (n)) |