1 /*
2  * Copyright 2009 Freescale Semiconductor, Inc.
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version
7  * 2 of the License, or (at your option) any later version.
8  *
9  * provides masks and opcode images for use by code generation, emulation
10  * and for instructions that older assemblers might not know about
11  */
12 #ifndef _ASM_POWERPC_PPC_OPCODE_H
13 #define _ASM_POWERPC_PPC_OPCODE_H
14 
15 #include <linux/stringify.h>
16 #include <asm/asm-compat.h>
17 
18 #define	__REG_R0	0
19 #define	__REG_R1	1
20 #define	__REG_R2	2
21 #define	__REG_R3	3
22 #define	__REG_R4	4
23 #define	__REG_R5	5
24 #define	__REG_R6	6
25 #define	__REG_R7	7
26 #define	__REG_R8	8
27 #define	__REG_R9	9
28 #define	__REG_R10	10
29 #define	__REG_R11	11
30 #define	__REG_R12	12
31 #define	__REG_R13	13
32 #define	__REG_R14	14
33 #define	__REG_R15	15
34 #define	__REG_R16	16
35 #define	__REG_R17	17
36 #define	__REG_R18	18
37 #define	__REG_R19	19
38 #define	__REG_R20	20
39 #define	__REG_R21	21
40 #define	__REG_R22	22
41 #define	__REG_R23	23
42 #define	__REG_R24	24
43 #define	__REG_R25	25
44 #define	__REG_R26	26
45 #define	__REG_R27	27
46 #define	__REG_R28	28
47 #define	__REG_R29	29
48 #define	__REG_R30	30
49 #define	__REG_R31	31
50 
51 #define	__REGA0_0	0
52 #define	__REGA0_R1	1
53 #define	__REGA0_R2	2
54 #define	__REGA0_R3	3
55 #define	__REGA0_R4	4
56 #define	__REGA0_R5	5
57 #define	__REGA0_R6	6
58 #define	__REGA0_R7	7
59 #define	__REGA0_R8	8
60 #define	__REGA0_R9	9
61 #define	__REGA0_R10	10
62 #define	__REGA0_R11	11
63 #define	__REGA0_R12	12
64 #define	__REGA0_R13	13
65 #define	__REGA0_R14	14
66 #define	__REGA0_R15	15
67 #define	__REGA0_R16	16
68 #define	__REGA0_R17	17
69 #define	__REGA0_R18	18
70 #define	__REGA0_R19	19
71 #define	__REGA0_R20	20
72 #define	__REGA0_R21	21
73 #define	__REGA0_R22	22
74 #define	__REGA0_R23	23
75 #define	__REGA0_R24	24
76 #define	__REGA0_R25	25
77 #define	__REGA0_R26	26
78 #define	__REGA0_R27	27
79 #define	__REGA0_R28	28
80 #define	__REGA0_R29	29
81 #define	__REGA0_R30	30
82 #define	__REGA0_R31	31
83 
84 /* opcode and xopcode for instructions */
85 #define OP_TRAP 3
86 #define OP_TRAP_64 2
87 
88 #define OP_31_XOP_TRAP      4
89 #define OP_31_XOP_LWZX      23
90 #define OP_31_XOP_DCBST     54
91 #define OP_31_XOP_LWZUX     55
92 #define OP_31_XOP_TRAP_64   68
93 #define OP_31_XOP_DCBF      86
94 #define OP_31_XOP_LBZX      87
95 #define OP_31_XOP_STWX      151
96 #define OP_31_XOP_STBX      215
97 #define OP_31_XOP_LBZUX     119
98 #define OP_31_XOP_STBUX     247
99 #define OP_31_XOP_LHZX      279
100 #define OP_31_XOP_LHZUX     311
101 #define OP_31_XOP_MFSPR     339
102 #define OP_31_XOP_LHAX      343
103 #define OP_31_XOP_LHAUX     375
104 #define OP_31_XOP_STHX      407
105 #define OP_31_XOP_STHUX     439
106 #define OP_31_XOP_MTSPR     467
107 #define OP_31_XOP_DCBI      470
108 #define OP_31_XOP_LWBRX     534
109 #define OP_31_XOP_TLBSYNC   566
110 #define OP_31_XOP_STWBRX    662
111 #define OP_31_XOP_LHBRX     790
112 #define OP_31_XOP_STHBRX    918
113 
114 #define OP_LWZ  32
115 #define OP_LD   58
116 #define OP_LWZU 33
117 #define OP_LBZ  34
118 #define OP_LBZU 35
119 #define OP_STW  36
120 #define OP_STWU 37
121 #define OP_STD  62
122 #define OP_STB  38
123 #define OP_STBU 39
124 #define OP_LHZ  40
125 #define OP_LHZU 41
126 #define OP_LHA  42
127 #define OP_LHAU 43
128 #define OP_STH  44
129 #define OP_STHU 45
130 
131 /* sorted alphabetically */
132 #define PPC_INST_BHRBE			0x7c00025c
133 #define PPC_INST_CLRBHRB		0x7c00035c
134 #define PPC_INST_DCBA			0x7c0005ec
135 #define PPC_INST_DCBA_MASK		0xfc0007fe
136 #define PPC_INST_DCBAL			0x7c2005ec
137 #define PPC_INST_DCBZL			0x7c2007ec
138 #define PPC_INST_ICBT			0x7c00002c
139 #define PPC_INST_ISEL			0x7c00001e
140 #define PPC_INST_ISEL_MASK		0xfc00003e
141 #define PPC_INST_LDARX			0x7c0000a8
142 #define PPC_INST_LOGMPP			0x7c0007e4
143 #define PPC_INST_LSWI			0x7c0004aa
144 #define PPC_INST_LSWX			0x7c00042a
145 #define PPC_INST_LWARX			0x7c000028
146 #define PPC_INST_LWSYNC			0x7c2004ac
147 #define PPC_INST_SYNC			0x7c0004ac
148 #define PPC_INST_SYNC_MASK		0xfc0007fe
149 #define PPC_INST_LXVD2X			0x7c000698
150 #define PPC_INST_MCRXR			0x7c000400
151 #define PPC_INST_MCRXR_MASK		0xfc0007fe
152 #define PPC_INST_MFSPR_PVR		0x7c1f42a6
153 #define PPC_INST_MFSPR_PVR_MASK		0xfc1fffff
154 #define PPC_INST_MFTMR			0x7c0002dc
155 #define PPC_INST_MSGSND			0x7c00019c
156 #define PPC_INST_MSGSNDP		0x7c00011c
157 #define PPC_INST_MTTMR			0x7c0003dc
158 #define PPC_INST_NOP			0x60000000
159 #define PPC_INST_POPCNTB		0x7c0000f4
160 #define PPC_INST_POPCNTB_MASK		0xfc0007fe
161 #define PPC_INST_POPCNTD		0x7c0003f4
162 #define PPC_INST_POPCNTW		0x7c0002f4
163 #define PPC_INST_RFCI			0x4c000066
164 #define PPC_INST_RFDI			0x4c00004e
165 #define PPC_INST_RFMCI			0x4c00004c
166 #define PPC_INST_MFSPR_DSCR		0x7c1102a6
167 #define PPC_INST_MFSPR_DSCR_MASK	0xfc1fffff
168 #define PPC_INST_MTSPR_DSCR		0x7c1103a6
169 #define PPC_INST_MTSPR_DSCR_MASK	0xfc1fffff
170 #define PPC_INST_MFSPR_DSCR_USER	0x7c0302a6
171 #define PPC_INST_MFSPR_DSCR_USER_MASK	0xfc1fffff
172 #define PPC_INST_MTSPR_DSCR_USER	0x7c0303a6
173 #define PPC_INST_MTSPR_DSCR_USER_MASK	0xfc1fffff
174 #define PPC_INST_SLBFEE			0x7c0007a7
175 
176 #define PPC_INST_STRING			0x7c00042a
177 #define PPC_INST_STRING_MASK		0xfc0007fe
178 #define PPC_INST_STRING_GEN_MASK	0xfc00067e
179 
180 #define PPC_INST_STSWI			0x7c0005aa
181 #define PPC_INST_STSWX			0x7c00052a
182 #define PPC_INST_STXVD2X		0x7c000798
183 #define PPC_INST_TLBIE			0x7c000264
184 #define PPC_INST_TLBILX			0x7c000024
185 #define PPC_INST_WAIT			0x7c00007c
186 #define PPC_INST_TLBIVAX		0x7c000624
187 #define PPC_INST_TLBSRX_DOT		0x7c0006a5
188 #define PPC_INST_XXLOR			0xf0000510
189 #define PPC_INST_XXSWAPD		0xf0000250
190 #define PPC_INST_XVCPSGNDP		0xf0000780
191 #define PPC_INST_TRECHKPT		0x7c0007dd
192 #define PPC_INST_TRECLAIM		0x7c00075d
193 #define PPC_INST_TABORT			0x7c00071d
194 
195 #define PPC_INST_NAP			0x4c000364
196 #define PPC_INST_SLEEP			0x4c0003a4
197 #define PPC_INST_WINKLE			0x4c0003e4
198 
199 /* A2 specific instructions */
200 #define PPC_INST_ERATWE			0x7c0001a6
201 #define PPC_INST_ERATRE			0x7c000166
202 #define PPC_INST_ERATILX		0x7c000066
203 #define PPC_INST_ERATIVAX		0x7c000666
204 #define PPC_INST_ERATSX			0x7c000126
205 #define PPC_INST_ERATSX_DOT		0x7c000127
206 
207 /* Misc instructions for BPF compiler */
208 #define PPC_INST_LBZ			0x88000000
209 #define PPC_INST_LD			0xe8000000
210 #define PPC_INST_LHZ			0xa0000000
211 #define PPC_INST_LHBRX			0x7c00062c
212 #define PPC_INST_LWZ			0x80000000
213 #define PPC_INST_STD			0xf8000000
214 #define PPC_INST_STDU			0xf8000001
215 #define PPC_INST_MFLR			0x7c0802a6
216 #define PPC_INST_MTLR			0x7c0803a6
217 #define PPC_INST_CMPWI			0x2c000000
218 #define PPC_INST_CMPDI			0x2c200000
219 #define PPC_INST_CMPLW			0x7c000040
220 #define PPC_INST_CMPLWI			0x28000000
221 #define PPC_INST_ADDI			0x38000000
222 #define PPC_INST_ADDIS			0x3c000000
223 #define PPC_INST_ADD			0x7c000214
224 #define PPC_INST_SUB			0x7c000050
225 #define PPC_INST_BLR			0x4e800020
226 #define PPC_INST_BLRL			0x4e800021
227 #define PPC_INST_MULLW			0x7c0001d6
228 #define PPC_INST_MULHWU			0x7c000016
229 #define PPC_INST_MULLI			0x1c000000
230 #define PPC_INST_DIVWU			0x7c000396
231 #define PPC_INST_RLWINM			0x54000000
232 #define PPC_INST_RLDICR			0x78000004
233 #define PPC_INST_SLW			0x7c000030
234 #define PPC_INST_SRW			0x7c000430
235 #define PPC_INST_AND			0x7c000038
236 #define PPC_INST_ANDDOT			0x7c000039
237 #define PPC_INST_OR			0x7c000378
238 #define PPC_INST_XOR			0x7c000278
239 #define PPC_INST_ANDI			0x70000000
240 #define PPC_INST_ORI			0x60000000
241 #define PPC_INST_ORIS			0x64000000
242 #define PPC_INST_XORI			0x68000000
243 #define PPC_INST_XORIS			0x6c000000
244 #define PPC_INST_NEG			0x7c0000d0
245 #define PPC_INST_BRANCH			0x48000000
246 #define PPC_INST_BRANCH_COND		0x40800000
247 #define PPC_INST_LBZCIX			0x7c0006aa
248 #define PPC_INST_STBCIX			0x7c0007aa
249 
250 /* macros to insert fields into opcodes */
251 #define ___PPC_RA(a)	(((a) & 0x1f) << 16)
252 #define ___PPC_RB(b)	(((b) & 0x1f) << 11)
253 #define ___PPC_RS(s)	(((s) & 0x1f) << 21)
254 #define ___PPC_RT(t)	___PPC_RS(t)
255 #define __PPC_RA(a)	___PPC_RA(__REG_##a)
256 #define __PPC_RA0(a)	___PPC_RA(__REGA0_##a)
257 #define __PPC_RB(b)	___PPC_RB(__REG_##b)
258 #define __PPC_RS(s)	___PPC_RS(__REG_##s)
259 #define __PPC_RT(t)	___PPC_RT(__REG_##t)
260 #define __PPC_XA(a)	((((a) & 0x1f) << 16) | (((a) & 0x20) >> 3))
261 #define __PPC_XB(b)	((((b) & 0x1f) << 11) | (((b) & 0x20) >> 4))
262 #define __PPC_XS(s)	((((s) & 0x1f) << 21) | (((s) & 0x20) >> 5))
263 #define __PPC_XT(s)	__PPC_XS(s)
264 #define __PPC_T_TLB(t)	(((t) & 0x3) << 21)
265 #define __PPC_WC(w)	(((w) & 0x3) << 21)
266 #define __PPC_WS(w)	(((w) & 0x1f) << 11)
267 #define __PPC_SH(s)	__PPC_WS(s)
268 #define __PPC_MB(s)	(((s) & 0x1f) << 6)
269 #define __PPC_ME(s)	(((s) & 0x1f) << 1)
270 #define __PPC_BI(s)	(((s) & 0x1f) << 16)
271 #define __PPC_CT(t)	(((t) & 0x0f) << 21)
272 
273 /*
274  * Only use the larx hint bit on 64bit CPUs. e500v1/v2 based CPUs will treat a
275  * larx with EH set as an illegal instruction.
276  */
277 #ifdef CONFIG_PPC64
278 #define __PPC_EH(eh)	(((eh) & 0x1) << 0)
279 #else
280 #define __PPC_EH(eh)	0
281 #endif
282 
283 /* POWER8 Micro Partition Prefetch (MPP) parameters */
284 /* Address mask is common for LOGMPP instruction and MPPR SPR */
285 #define PPC_MPPE_ADDRESS_MASK 0xffffffffc000
286 
287 /* Bits 60 and 61 of MPP SPR should be set to one of the following */
288 /* Aborting the fetch is indeed setting 00 in the table size bits */
289 #define PPC_MPPR_FETCH_ABORT (0x0ULL << 60)
290 #define PPC_MPPR_FETCH_WHOLE_TABLE (0x2ULL << 60)
291 
292 /* Bits 54 and 55 of register for LOGMPP instruction should be set to: */
293 #define PPC_LOGMPP_LOG_L2 (0x02ULL << 54)
294 #define PPC_LOGMPP_LOG_L2L3 (0x01ULL << 54)
295 #define PPC_LOGMPP_LOG_ABORT (0x03ULL << 54)
296 
297 /* Deal with instructions that older assemblers aren't aware of */
298 #define	PPC_DCBAL(a, b)		stringify_in_c(.long PPC_INST_DCBAL | \
299 					__PPC_RA(a) | __PPC_RB(b))
300 #define	PPC_DCBZL(a, b)		stringify_in_c(.long PPC_INST_DCBZL | \
301 					__PPC_RA(a) | __PPC_RB(b))
302 #define PPC_LDARX(t, a, b, eh)	stringify_in_c(.long PPC_INST_LDARX | \
303 					___PPC_RT(t) | ___PPC_RA(a) | \
304 					___PPC_RB(b) | __PPC_EH(eh))
305 #define PPC_LOGMPP(b)		stringify_in_c(.long PPC_INST_LOGMPP | \
306 					__PPC_RB(b))
307 #define PPC_LWARX(t, a, b, eh)	stringify_in_c(.long PPC_INST_LWARX | \
308 					___PPC_RT(t) | ___PPC_RA(a) | \
309 					___PPC_RB(b) | __PPC_EH(eh))
310 #define PPC_MSGSND(b)		stringify_in_c(.long PPC_INST_MSGSND | \
311 					___PPC_RB(b))
312 #define PPC_MSGSNDP(b)		stringify_in_c(.long PPC_INST_MSGSNDP | \
313 					___PPC_RB(b))
314 #define PPC_POPCNTB(a, s)	stringify_in_c(.long PPC_INST_POPCNTB | \
315 					__PPC_RA(a) | __PPC_RS(s))
316 #define PPC_POPCNTD(a, s)	stringify_in_c(.long PPC_INST_POPCNTD | \
317 					__PPC_RA(a) | __PPC_RS(s))
318 #define PPC_POPCNTW(a, s)	stringify_in_c(.long PPC_INST_POPCNTW | \
319 					__PPC_RA(a) | __PPC_RS(s))
320 #define PPC_RFCI		stringify_in_c(.long PPC_INST_RFCI)
321 #define PPC_RFDI		stringify_in_c(.long PPC_INST_RFDI)
322 #define PPC_RFMCI		stringify_in_c(.long PPC_INST_RFMCI)
323 #define PPC_TLBILX(t, a, b)	stringify_in_c(.long PPC_INST_TLBILX | \
324 					__PPC_T_TLB(t) | __PPC_RA0(a) | __PPC_RB(b))
325 #define PPC_TLBILX_ALL(a, b)	PPC_TLBILX(0, a, b)
326 #define PPC_TLBILX_PID(a, b)	PPC_TLBILX(1, a, b)
327 #define PPC_TLBILX_VA(a, b)	PPC_TLBILX(3, a, b)
328 #define PPC_WAIT(w)		stringify_in_c(.long PPC_INST_WAIT | \
329 					__PPC_WC(w))
330 #define PPC_TLBIE(lp,a) 	stringify_in_c(.long PPC_INST_TLBIE | \
331 					       ___PPC_RB(a) | ___PPC_RS(lp))
332 #define PPC_TLBSRX_DOT(a,b)	stringify_in_c(.long PPC_INST_TLBSRX_DOT | \
333 					__PPC_RA0(a) | __PPC_RB(b))
334 #define PPC_TLBIVAX(a,b)	stringify_in_c(.long PPC_INST_TLBIVAX | \
335 					__PPC_RA0(a) | __PPC_RB(b))
336 
337 #define PPC_ERATWE(s, a, w)	stringify_in_c(.long PPC_INST_ERATWE | \
338 					__PPC_RS(s) | __PPC_RA(a) | __PPC_WS(w))
339 #define PPC_ERATRE(s, a, w)	stringify_in_c(.long PPC_INST_ERATRE | \
340 					__PPC_RS(s) | __PPC_RA(a) | __PPC_WS(w))
341 #define PPC_ERATILX(t, a, b)	stringify_in_c(.long PPC_INST_ERATILX | \
342 					__PPC_T_TLB(t) | __PPC_RA0(a) | \
343 					__PPC_RB(b))
344 #define PPC_ERATIVAX(s, a, b)	stringify_in_c(.long PPC_INST_ERATIVAX | \
345 					__PPC_RS(s) | __PPC_RA0(a) | __PPC_RB(b))
346 #define PPC_ERATSX(t, a, w)	stringify_in_c(.long PPC_INST_ERATSX | \
347 					__PPC_RS(t) | __PPC_RA0(a) | __PPC_RB(b))
348 #define PPC_ERATSX_DOT(t, a, w)	stringify_in_c(.long PPC_INST_ERATSX_DOT | \
349 					__PPC_RS(t) | __PPC_RA0(a) | __PPC_RB(b))
350 #define PPC_SLBFEE_DOT(t, b)	stringify_in_c(.long PPC_INST_SLBFEE | \
351 					__PPC_RT(t) | __PPC_RB(b))
352 #define PPC_ICBT(c,a,b)		stringify_in_c(.long PPC_INST_ICBT | \
353 				       __PPC_CT(c) | __PPC_RA0(a) | __PPC_RB(b))
354 /* PASemi instructions */
355 #define LBZCIX(t,a,b)		stringify_in_c(.long PPC_INST_LBZCIX | \
356 				       __PPC_RT(t) | __PPC_RA(a) | __PPC_RB(b))
357 #define STBCIX(s,a,b)		stringify_in_c(.long PPC_INST_STBCIX | \
358 				       __PPC_RS(s) | __PPC_RA(a) | __PPC_RB(b))
359 
360 /*
361  * Define what the VSX XX1 form instructions will look like, then add
362  * the 128 bit load store instructions based on that.
363  */
364 #define VSX_XX1(s, a, b)	(__PPC_XS(s) | __PPC_RA(a) | __PPC_RB(b))
365 #define VSX_XX3(t, a, b)	(__PPC_XT(t) | __PPC_XA(a) | __PPC_XB(b))
366 #define STXVD2X(s, a, b)	stringify_in_c(.long PPC_INST_STXVD2X | \
367 					       VSX_XX1((s), a, b))
368 #define LXVD2X(s, a, b)		stringify_in_c(.long PPC_INST_LXVD2X | \
369 					       VSX_XX1((s), a, b))
370 #define XXLOR(t, a, b)		stringify_in_c(.long PPC_INST_XXLOR | \
371 					       VSX_XX3((t), a, b))
372 #define XXSWAPD(t, a)		stringify_in_c(.long PPC_INST_XXSWAPD | \
373 					       VSX_XX3((t), a, a))
374 #define XVCPSGNDP(t, a, b)	stringify_in_c(.long (PPC_INST_XVCPSGNDP | \
375 					       VSX_XX3((t), (a), (b))))
376 
377 #define PPC_NAP			stringify_in_c(.long PPC_INST_NAP)
378 #define PPC_SLEEP		stringify_in_c(.long PPC_INST_SLEEP)
379 #define PPC_WINKLE		stringify_in_c(.long PPC_INST_WINKLE)
380 
381 /* BHRB instructions */
382 #define PPC_CLRBHRB		stringify_in_c(.long PPC_INST_CLRBHRB)
383 #define PPC_MFBHRBE(r, n)	stringify_in_c(.long PPC_INST_BHRBE | \
384 						__PPC_RT(r) | \
385 							(((n) & 0x3ff) << 11))
386 
387 /* Transactional memory instructions */
388 #define TRECHKPT		stringify_in_c(.long PPC_INST_TRECHKPT)
389 #define TRECLAIM(r)		stringify_in_c(.long PPC_INST_TRECLAIM \
390 					       | __PPC_RA(r))
391 #define TABORT(r)		stringify_in_c(.long PPC_INST_TABORT \
392 					       | __PPC_RA(r))
393 
394 /* book3e thread control instructions */
395 #define TMRN(x)			((((x) & 0x1f) << 16) | (((x) & 0x3e0) << 6))
396 #define MTTMR(tmr, r)		stringify_in_c(.long PPC_INST_MTTMR | \
397 					       TMRN(tmr) | ___PPC_RS(r))
398 #define MFTMR(tmr, r)		stringify_in_c(.long PPC_INST_MFTMR | \
399 					       TMRN(tmr) | ___PPC_RT(r))
400 
401 #endif /* _ASM_POWERPC_PPC_OPCODE_H */
402