1 /*
2  * Copyright 2009 Freescale Semicondutor, 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 /* sorted alphabetically */
85 #define PPC_INST_DCBA			0x7c0005ec
86 #define PPC_INST_DCBA_MASK		0xfc0007fe
87 #define PPC_INST_DCBAL			0x7c2005ec
88 #define PPC_INST_DCBZL			0x7c2007ec
89 #define PPC_INST_ISEL			0x7c00001e
90 #define PPC_INST_ISEL_MASK		0xfc00003e
91 #define PPC_INST_LDARX			0x7c0000a8
92 #define PPC_INST_LSWI			0x7c0004aa
93 #define PPC_INST_LSWX			0x7c00042a
94 #define PPC_INST_LWARX			0x7c000028
95 #define PPC_INST_LWSYNC			0x7c2004ac
96 #define PPC_INST_LXVD2X			0x7c000698
97 #define PPC_INST_MCRXR			0x7c000400
98 #define PPC_INST_MCRXR_MASK		0xfc0007fe
99 #define PPC_INST_MFSPR_PVR		0x7c1f42a6
100 #define PPC_INST_MFSPR_PVR_MASK		0xfc1fffff
101 #define PPC_INST_MSGSND			0x7c00019c
102 #define PPC_INST_NOP			0x60000000
103 #define PPC_INST_POPCNTB		0x7c0000f4
104 #define PPC_INST_POPCNTB_MASK		0xfc0007fe
105 #define PPC_INST_POPCNTD		0x7c0003f4
106 #define PPC_INST_POPCNTW		0x7c0002f4
107 #define PPC_INST_RFCI			0x4c000066
108 #define PPC_INST_RFDI			0x4c00004e
109 #define PPC_INST_RFMCI			0x4c00004c
110 #define PPC_INST_MFSPR_DSCR		0x7c1102a6
111 #define PPC_INST_MFSPR_DSCR_MASK	0xfc1fffff
112 #define PPC_INST_MTSPR_DSCR		0x7c1103a6
113 #define PPC_INST_MTSPR_DSCR_MASK	0xfc1fffff
114 #define PPC_INST_SLBFEE			0x7c0007a7
115 
116 #define PPC_INST_STRING			0x7c00042a
117 #define PPC_INST_STRING_MASK		0xfc0007fe
118 #define PPC_INST_STRING_GEN_MASK	0xfc00067e
119 
120 #define PPC_INST_STSWI			0x7c0005aa
121 #define PPC_INST_STSWX			0x7c00052a
122 #define PPC_INST_STXVD2X		0x7c000798
123 #define PPC_INST_TLBIE			0x7c000264
124 #define PPC_INST_TLBILX			0x7c000024
125 #define PPC_INST_WAIT			0x7c00007c
126 #define PPC_INST_TLBIVAX		0x7c000624
127 #define PPC_INST_TLBSRX_DOT		0x7c0006a5
128 #define PPC_INST_XXLOR			0xf0000510
129 #define PPC_INST_XVCPSGNDP		0xf0000780
130 
131 #define PPC_INST_NAP			0x4c000364
132 #define PPC_INST_SLEEP			0x4c0003a4
133 
134 /* A2 specific instructions */
135 #define PPC_INST_ERATWE			0x7c0001a6
136 #define PPC_INST_ERATRE			0x7c000166
137 #define PPC_INST_ERATILX		0x7c000066
138 #define PPC_INST_ERATIVAX		0x7c000666
139 #define PPC_INST_ERATSX			0x7c000126
140 #define PPC_INST_ERATSX_DOT		0x7c000127
141 
142 /* Misc instructions for BPF compiler */
143 #define PPC_INST_LD			0xe8000000
144 #define PPC_INST_LHZ			0xa0000000
145 #define PPC_INST_LWZ			0x80000000
146 #define PPC_INST_STD			0xf8000000
147 #define PPC_INST_STDU			0xf8000001
148 #define PPC_INST_MFLR			0x7c0802a6
149 #define PPC_INST_MTLR			0x7c0803a6
150 #define PPC_INST_CMPWI			0x2c000000
151 #define PPC_INST_CMPDI			0x2c200000
152 #define PPC_INST_CMPLW			0x7c000040
153 #define PPC_INST_CMPLWI			0x28000000
154 #define PPC_INST_ADDI			0x38000000
155 #define PPC_INST_ADDIS			0x3c000000
156 #define PPC_INST_ADD			0x7c000214
157 #define PPC_INST_SUB			0x7c000050
158 #define PPC_INST_BLR			0x4e800020
159 #define PPC_INST_BLRL			0x4e800021
160 #define PPC_INST_MULLW			0x7c0001d6
161 #define PPC_INST_MULHWU			0x7c000016
162 #define PPC_INST_MULLI			0x1c000000
163 #define PPC_INST_DIVWU			0x7c0003d6
164 #define PPC_INST_RLWINM			0x54000000
165 #define PPC_INST_RLDICR			0x78000004
166 #define PPC_INST_SLW			0x7c000030
167 #define PPC_INST_SRW			0x7c000430
168 #define PPC_INST_AND			0x7c000038
169 #define PPC_INST_ANDDOT			0x7c000039
170 #define PPC_INST_OR			0x7c000378
171 #define PPC_INST_ANDI			0x70000000
172 #define PPC_INST_ORI			0x60000000
173 #define PPC_INST_ORIS			0x64000000
174 #define PPC_INST_NEG			0x7c0000d0
175 #define PPC_INST_BRANCH			0x48000000
176 #define PPC_INST_BRANCH_COND		0x40800000
177 #define PPC_INST_LBZCIX			0x7c0006aa
178 #define PPC_INST_STBCIX			0x7c0007aa
179 
180 /* macros to insert fields into opcodes */
181 #define ___PPC_RA(a)	(((a) & 0x1f) << 16)
182 #define ___PPC_RB(b)	(((b) & 0x1f) << 11)
183 #define ___PPC_RS(s)	(((s) & 0x1f) << 21)
184 #define ___PPC_RT(t)	___PPC_RS(t)
185 #define __PPC_RA(a)	___PPC_RA(__REG_##a)
186 #define __PPC_RA0(a)	___PPC_RA(__REGA0_##a)
187 #define __PPC_RB(b)	___PPC_RB(__REG_##b)
188 #define __PPC_RS(s)	___PPC_RS(__REG_##s)
189 #define __PPC_RT(t)	___PPC_RT(__REG_##t)
190 #define __PPC_XA(a)	((((a) & 0x1f) << 16) | (((a) & 0x20) >> 3))
191 #define __PPC_XB(b)	((((b) & 0x1f) << 11) | (((b) & 0x20) >> 4))
192 #define __PPC_XS(s)	((((s) & 0x1f) << 21) | (((s) & 0x20) >> 5))
193 #define __PPC_XT(s)	__PPC_XS(s)
194 #define __PPC_T_TLB(t)	(((t) & 0x3) << 21)
195 #define __PPC_WC(w)	(((w) & 0x3) << 21)
196 #define __PPC_WS(w)	(((w) & 0x1f) << 11)
197 #define __PPC_SH(s)	__PPC_WS(s)
198 #define __PPC_MB(s)	(((s) & 0x1f) << 6)
199 #define __PPC_ME(s)	(((s) & 0x1f) << 1)
200 #define __PPC_BI(s)	(((s) & 0x1f) << 16)
201 
202 /*
203  * Only use the larx hint bit on 64bit CPUs. e500v1/v2 based CPUs will treat a
204  * larx with EH set as an illegal instruction.
205  */
206 #ifdef CONFIG_PPC64
207 #define __PPC_EH(eh)	(((eh) & 0x1) << 0)
208 #else
209 #define __PPC_EH(eh)	0
210 #endif
211 
212 /* Deal with instructions that older assemblers aren't aware of */
213 #define	PPC_DCBAL(a, b)		stringify_in_c(.long PPC_INST_DCBAL | \
214 					__PPC_RA(a) | __PPC_RB(b))
215 #define	PPC_DCBZL(a, b)		stringify_in_c(.long PPC_INST_DCBZL | \
216 					__PPC_RA(a) | __PPC_RB(b))
217 #define PPC_LDARX(t, a, b, eh)	stringify_in_c(.long PPC_INST_LDARX | \
218 					___PPC_RT(t) | ___PPC_RA(a) | \
219 					___PPC_RB(b) | __PPC_EH(eh))
220 #define PPC_LWARX(t, a, b, eh)	stringify_in_c(.long PPC_INST_LWARX | \
221 					___PPC_RT(t) | ___PPC_RA(a) | \
222 					___PPC_RB(b) | __PPC_EH(eh))
223 #define PPC_MSGSND(b)		stringify_in_c(.long PPC_INST_MSGSND | \
224 					___PPC_RB(b))
225 #define PPC_POPCNTB(a, s)	stringify_in_c(.long PPC_INST_POPCNTB | \
226 					__PPC_RA(a) | __PPC_RS(s))
227 #define PPC_POPCNTD(a, s)	stringify_in_c(.long PPC_INST_POPCNTD | \
228 					__PPC_RA(a) | __PPC_RS(s))
229 #define PPC_POPCNTW(a, s)	stringify_in_c(.long PPC_INST_POPCNTW | \
230 					__PPC_RA(a) | __PPC_RS(s))
231 #define PPC_RFCI		stringify_in_c(.long PPC_INST_RFCI)
232 #define PPC_RFDI		stringify_in_c(.long PPC_INST_RFDI)
233 #define PPC_RFMCI		stringify_in_c(.long PPC_INST_RFMCI)
234 #define PPC_TLBILX(t, a, b)	stringify_in_c(.long PPC_INST_TLBILX | \
235 					__PPC_T_TLB(t) | __PPC_RA0(a) | __PPC_RB(b))
236 #define PPC_TLBILX_ALL(a, b)	PPC_TLBILX(0, a, b)
237 #define PPC_TLBILX_PID(a, b)	PPC_TLBILX(1, a, b)
238 #define PPC_TLBILX_VA(a, b)	PPC_TLBILX(3, a, b)
239 #define PPC_WAIT(w)		stringify_in_c(.long PPC_INST_WAIT | \
240 					__PPC_WC(w))
241 #define PPC_TLBIE(lp,a) 	stringify_in_c(.long PPC_INST_TLBIE | \
242 					       ___PPC_RB(a) | ___PPC_RS(lp))
243 #define PPC_TLBSRX_DOT(a,b)	stringify_in_c(.long PPC_INST_TLBSRX_DOT | \
244 					__PPC_RA0(a) | __PPC_RB(b))
245 #define PPC_TLBIVAX(a,b)	stringify_in_c(.long PPC_INST_TLBIVAX | \
246 					__PPC_RA0(a) | __PPC_RB(b))
247 
248 #define PPC_ERATWE(s, a, w)	stringify_in_c(.long PPC_INST_ERATWE | \
249 					__PPC_RS(s) | __PPC_RA(a) | __PPC_WS(w))
250 #define PPC_ERATRE(s, a, w)	stringify_in_c(.long PPC_INST_ERATRE | \
251 					__PPC_RS(s) | __PPC_RA(a) | __PPC_WS(w))
252 #define PPC_ERATILX(t, a, b)	stringify_in_c(.long PPC_INST_ERATILX | \
253 					__PPC_T_TLB(t) | __PPC_RA0(a) | \
254 					__PPC_RB(b))
255 #define PPC_ERATIVAX(s, a, b)	stringify_in_c(.long PPC_INST_ERATIVAX | \
256 					__PPC_RS(s) | __PPC_RA0(a) | __PPC_RB(b))
257 #define PPC_ERATSX(t, a, w)	stringify_in_c(.long PPC_INST_ERATSX | \
258 					__PPC_RS(t) | __PPC_RA0(a) | __PPC_RB(b))
259 #define PPC_ERATSX_DOT(t, a, w)	stringify_in_c(.long PPC_INST_ERATSX_DOT | \
260 					__PPC_RS(t) | __PPC_RA0(a) | __PPC_RB(b))
261 #define PPC_SLBFEE_DOT(t, b)	stringify_in_c(.long PPC_INST_SLBFEE | \
262 					__PPC_RT(t) | __PPC_RB(b))
263 /* PASemi instructions */
264 #define LBZCIX(t,a,b)		stringify_in_c(.long PPC_INST_LBZCIX | \
265 				       __PPC_RT(t) | __PPC_RA(a) | __PPC_RB(b))
266 #define STBCIX(s,a,b)		stringify_in_c(.long PPC_INST_STBCIX | \
267 				       __PPC_RS(s) | __PPC_RA(a) | __PPC_RB(b))
268 
269 /*
270  * Define what the VSX XX1 form instructions will look like, then add
271  * the 128 bit load store instructions based on that.
272  */
273 #define VSX_XX1(s, a, b)	(__PPC_XS(s) | __PPC_RA(a) | __PPC_RB(b))
274 #define VSX_XX3(t, a, b)	(__PPC_XT(t) | __PPC_XA(a) | __PPC_XB(b))
275 #define STXVD2X(s, a, b)	stringify_in_c(.long PPC_INST_STXVD2X | \
276 					       VSX_XX1((s), a, b))
277 #define LXVD2X(s, a, b)		stringify_in_c(.long PPC_INST_LXVD2X | \
278 					       VSX_XX1((s), a, b))
279 #define XXLOR(t, a, b)		stringify_in_c(.long PPC_INST_XXLOR | \
280 					       VSX_XX3((t), a, b))
281 #define XVCPSGNDP(t, a, b)	stringify_in_c(.long (PPC_INST_XVCPSGNDP | \
282 					       VSX_XX3((t), (a), (b))))
283 
284 #define PPC_NAP			stringify_in_c(.long PPC_INST_NAP)
285 #define PPC_SLEEP		stringify_in_c(.long PPC_INST_SLEEP)
286 
287 #endif /* _ASM_POWERPC_PPC_OPCODE_H */
288