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authorRalf Baechle <ralf@linux-mips.org>2013-01-17 09:28:31 -0500
committerRalf Baechle <ralf@linux-mips.org>2013-02-01 04:00:20 -0500
commit85dfaf0831d292aa19fa3f230a73f3081d7d7067 (patch)
treed27f1c74e217ea6098d89dcd0ebcd7fa11e77aff /arch/mips/include
parent90e8cacdbe0c7f07221ed500f0eb23fe1ee93699 (diff)
MIPS: inst.h: Eleminate per endianess structure definitions.
This makes space for further growth of the header without excessive bloat. Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/include')
-rw-r--r--arch/mips/include/uapi/asm/inst.h226
1 files changed, 86 insertions, 140 deletions
diff --git a/arch/mips/include/uapi/asm/inst.h b/arch/mips/include/uapi/asm/inst.h
index 96c409e8b137..9d8651a13acc 100644
--- a/arch/mips/include/uapi/asm/inst.h
+++ b/arch/mips/include/uapi/asm/inst.h
@@ -196,154 +196,100 @@ enum lx_func {
196 * Damn ... bitfields depend from byteorder :-( 196 * Damn ... bitfields depend from byteorder :-(
197 */ 197 */
198#ifdef __MIPSEB__ 198#ifdef __MIPSEB__
199struct j_format { /* Jump format */ 199#define BITFIELD_FIELD(field, more) \
200 unsigned int opcode : 6; 200 field; \
201 unsigned int target : 26; 201 more
202};
203
204struct i_format { /* Immediate format (addi, lw, ...) */
205 unsigned int opcode : 6;
206 unsigned int rs : 5;
207 unsigned int rt : 5;
208 signed int simmediate : 16;
209};
210
211struct u_format { /* Unsigned immediate format (ori, xori, ...) */
212 unsigned int opcode : 6;
213 unsigned int rs : 5;
214 unsigned int rt : 5;
215 unsigned int uimmediate : 16;
216};
217
218struct c_format { /* Cache (>= R6000) format */
219 unsigned int opcode : 6;
220 unsigned int rs : 5;
221 unsigned int c_op : 3;
222 unsigned int cache : 2;
223 unsigned int simmediate : 16;
224};
225
226struct r_format { /* Register format */
227 unsigned int opcode : 6;
228 unsigned int rs : 5;
229 unsigned int rt : 5;
230 unsigned int rd : 5;
231 unsigned int re : 5;
232 unsigned int func : 6;
233};
234
235struct p_format { /* Performance counter format (R10000) */
236 unsigned int opcode : 6;
237 unsigned int rs : 5;
238 unsigned int rt : 5;
239 unsigned int rd : 5;
240 unsigned int re : 5;
241 unsigned int func : 6;
242};
243
244struct f_format { /* FPU register format */
245 unsigned int opcode : 6;
246 unsigned int : 1;
247 unsigned int fmt : 4;
248 unsigned int rt : 5;
249 unsigned int rd : 5;
250 unsigned int re : 5;
251 unsigned int func : 6;
252};
253
254struct ma_format { /* FPU multiply and add format (MIPS IV) */
255 unsigned int opcode : 6;
256 unsigned int fr : 5;
257 unsigned int ft : 5;
258 unsigned int fs : 5;
259 unsigned int fd : 5;
260 unsigned int func : 4;
261 unsigned int fmt : 2;
262};
263
264struct b_format { /* BREAK and SYSCALL */
265 unsigned int opcode:6;
266 unsigned int code:20;
267 unsigned int func:6;
268};
269 202
270#elif defined(__MIPSEL__) 203#elif defined(__MIPSEL__)
271 204
272struct j_format { /* Jump format */ 205#define BITFIELD_FIELD(field, more) \
273 unsigned int target : 26; 206 more \
274 unsigned int opcode : 6; 207 field;
275};
276
277struct i_format { /* Immediate format */
278 signed int simmediate : 16;
279 unsigned int rt : 5;
280 unsigned int rs : 5;
281 unsigned int opcode : 6;
282};
283
284struct u_format { /* Unsigned immediate format */
285 unsigned int uimmediate : 16;
286 unsigned int rt : 5;
287 unsigned int rs : 5;
288 unsigned int opcode : 6;
289};
290
291struct c_format { /* Cache (>= R6000) format */
292 unsigned int simmediate : 16;
293 unsigned int cache : 2;
294 unsigned int c_op : 3;
295 unsigned int rs : 5;
296 unsigned int opcode : 6;
297};
298
299struct r_format { /* Register format */
300 unsigned int func : 6;
301 unsigned int re : 5;
302 unsigned int rd : 5;
303 unsigned int rt : 5;
304 unsigned int rs : 5;
305 unsigned int opcode : 6;
306};
307
308struct p_format { /* Performance counter format (R10000) */
309 unsigned int func : 6;
310 unsigned int re : 5;
311 unsigned int rd : 5;
312 unsigned int rt : 5;
313 unsigned int rs : 5;
314 unsigned int opcode : 6;
315};
316
317struct f_format { /* FPU register format */
318 unsigned int func : 6;
319 unsigned int re : 5;
320 unsigned int rd : 5;
321 unsigned int rt : 5;
322 unsigned int fmt : 4;
323 unsigned int : 1;
324 unsigned int opcode : 6;
325};
326
327struct ma_format { /* FPU multiply and add format (MIPS IV) */
328 unsigned int fmt : 2;
329 unsigned int func : 4;
330 unsigned int fd : 5;
331 unsigned int fs : 5;
332 unsigned int ft : 5;
333 unsigned int fr : 5;
334 unsigned int opcode : 6;
335};
336
337struct b_format { /* BREAK and SYSCALL */
338 unsigned int func:6;
339 unsigned int code:20;
340 unsigned int opcode:6;
341};
342 208
343#else /* !defined (__MIPSEB__) && !defined (__MIPSEL__) */ 209#else /* !defined (__MIPSEB__) && !defined (__MIPSEL__) */
344#error "MIPS but neither __MIPSEL__ nor __MIPSEB__?" 210#error "MIPS but neither __MIPSEL__ nor __MIPSEB__?"
345#endif 211#endif
346 212
213struct j_format {
214 BITFIELD_FIELD(unsigned int opcode : 6, /* Jump format */
215 BITFIELD_FIELD(unsigned int target : 26,
216 ;))
217};
218
219struct i_format { /* signed immediate format */
220 BITFIELD_FIELD(unsigned int opcode : 6,
221 BITFIELD_FIELD(unsigned int rs : 5,
222 BITFIELD_FIELD(unsigned int rt : 5,
223 BITFIELD_FIELD(signed int simmediate : 16,
224 ;))))
225};
226
227struct u_format { /* unsigned immediate format */
228 BITFIELD_FIELD(unsigned int opcode : 6,
229 BITFIELD_FIELD(unsigned int rs : 5,
230 BITFIELD_FIELD(unsigned int rt : 5,
231 BITFIELD_FIELD(unsigned int uimmediate : 16,
232 ;))))
233};
234
235struct c_format { /* Cache (>= R6000) format */
236 BITFIELD_FIELD(unsigned int opcode : 6,
237 BITFIELD_FIELD(unsigned int rs : 5,
238 BITFIELD_FIELD(unsigned int c_op : 3,
239 BITFIELD_FIELD(unsigned int cache : 2,
240 BITFIELD_FIELD(unsigned int simmediate : 16,
241 ;)))))
242};
243
244struct r_format { /* Register format */
245 BITFIELD_FIELD(unsigned int opcode : 6,
246 BITFIELD_FIELD(unsigned int rs : 5,
247 BITFIELD_FIELD(unsigned int rt : 5,
248 BITFIELD_FIELD(unsigned int rd : 5,
249 BITFIELD_FIELD(unsigned int re : 5,
250 BITFIELD_FIELD(unsigned int func : 6,
251 ;))))))
252};
253
254struct p_format { /* Performance counter format (R10000) */
255 BITFIELD_FIELD(unsigned int opcode : 6,
256 BITFIELD_FIELD(unsigned int rs : 5,
257 BITFIELD_FIELD(unsigned int rt : 5,
258 BITFIELD_FIELD(unsigned int rd : 5,
259 BITFIELD_FIELD(unsigned int re : 5,
260 BITFIELD_FIELD(unsigned int func : 6,
261 ;))))))
262};
263
264struct f_format { /* FPU register format */
265 BITFIELD_FIELD(unsigned int opcode : 6,
266 BITFIELD_FIELD(unsigned int : 1,
267 BITFIELD_FIELD(unsigned int fmt : 4,
268 BITFIELD_FIELD(unsigned int rt : 5,
269 BITFIELD_FIELD(unsigned int rd : 5,
270 BITFIELD_FIELD(unsigned int re : 5,
271 BITFIELD_FIELD(unsigned int func : 6,
272 ;)))))))
273};
274
275struct ma_format { /* FPU multiply and add format (MIPS IV) */
276 BITFIELD_FIELD(unsigned int opcode : 6,
277 BITFIELD_FIELD(unsigned int fr : 5,
278 BITFIELD_FIELD(unsigned int ft : 5,
279 BITFIELD_FIELD(unsigned int fs : 5,
280 BITFIELD_FIELD(unsigned int fd : 5,
281 BITFIELD_FIELD(unsigned int func : 4,
282 BITFIELD_FIELD(unsigned int fmt : 2,
283 ;)))))))
284};
285
286struct b_format { /* BREAK and SYSCALL */
287 BITFIELD_FIELD(unsigned int opcode : 6,
288 BITFIELD_FIELD(unsigned int code : 20,
289 BITFIELD_FIELD(unsigned int func : 6,
290 ;)))
291};
292
347union mips_instruction { 293union mips_instruction {
348 unsigned int word; 294 unsigned int word;
349 unsigned short halfword[2]; 295 unsigned short halfword[2];
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