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 /* sorted alphabetically */
19 #define PPC_INST_DCBA			0x7c0005ec
20 #define PPC_INST_DCBA_MASK		0xfc0007fe
21 #define PPC_INST_DCBAL			0x7c2005ec
22 #define PPC_INST_DCBZL			0x7c2007ec
23 #define PPC_INST_ISEL			0x7c00001e
24 #define PPC_INST_ISEL_MASK		0xfc00003e
25 #define PPC_INST_LDARX			0x7c0000a8
26 #define PPC_INST_LSWI			0x7c0004aa
27 #define PPC_INST_LSWX			0x7c00042a
28 #define PPC_INST_LWARX			0x7c000028
29 #define PPC_INST_LWSYNC			0x7c2004ac
30 #define PPC_INST_LXVD2X			0x7c000698
31 #define PPC_INST_MCRXR			0x7c000400
32 #define PPC_INST_MCRXR_MASK		0xfc0007fe
33 #define PPC_INST_MFSPR_PVR		0x7c1f42a6
34 #define PPC_INST_MFSPR_PVR_MASK		0xfc1fffff
35 #define PPC_INST_MSGSND			0x7c00019c
36 #define PPC_INST_NOP			0x60000000
37 #define PPC_INST_POPCNTB		0x7c0000f4
38 #define PPC_INST_POPCNTB_MASK		0xfc0007fe
39 #define PPC_INST_POPCNTD		0x7c0003f4
40 #define PPC_INST_POPCNTW		0x7c0002f4
41 #define PPC_INST_RFCI			0x4c000066
42 #define PPC_INST_RFDI			0x4c00004e
43 #define PPC_INST_RFMCI			0x4c00004c
44 #define PPC_INST_MFSPR_DSCR		0x7c1102a6
45 #define PPC_INST_MFSPR_DSCR_MASK	0xfc1fffff
46 #define PPC_INST_MTSPR_DSCR		0x7c1103a6
47 #define PPC_INST_MTSPR_DSCR_MASK	0xfc1fffff
48 #define PPC_INST_MFSPR_DSCR_USER	0x7c0302a6
49 #define PPC_INST_MFSPR_DSCR_USER_MASK	0xfc1fffff
50 #define PPC_INST_MTSPR_DSCR_USER	0x7c0303a6
51 #define PPC_INST_MTSPR_DSCR_USER_MASK	0xfc1fffff
52 #define PPC_INST_SLBFEE			0x7c0007a7
53 
54 #define PPC_INST_STRING			0x7c00042a
55 #define PPC_INST_STRING_MASK		0xfc0007fe
56 #define PPC_INST_STRING_GEN_MASK	0xfc00067e
57 
58 #define PPC_INST_STSWI			0x7c0005aa
59 #define PPC_INST_STSWX			0x7c00052a
60 #define PPC_INST_STXVD2X		0x7c000798
61 #define PPC_INST_TLBIE			0x7c000264
62 #define PPC_INST_TLBILX			0x7c000024
63 #define PPC_INST_WAIT			0x7c00007c
64 #define PPC_INST_TLBIVAX		0x7c000624
65 #define PPC_INST_TLBSRX_DOT		0x7c0006a5
66 #define PPC_INST_XXLOR			0xf0000510
67 
68 #define PPC_INST_NAP			0x4c000364
69 #define PPC_INST_SLEEP			0x4c0003a4
70 
71 /* A2 specific instructions */
72 #define PPC_INST_ERATWE			0x7c0001a6
73 #define PPC_INST_ERATRE			0x7c000166
74 #define PPC_INST_ERATILX		0x7c000066
75 #define PPC_INST_ERATIVAX		0x7c000666
76 #define PPC_INST_ERATSX			0x7c000126
77 #define PPC_INST_ERATSX_DOT		0x7c000127
78 
79 /* Misc instructions for BPF compiler */
80 #define PPC_INST_LD			0xe8000000
81 #define PPC_INST_LHZ			0xa0000000
82 #define PPC_INST_LWZ			0x80000000
83 #define PPC_INST_STD			0xf8000000
84 #define PPC_INST_STDU			0xf8000001
85 #define PPC_INST_MFLR			0x7c0802a6
86 #define PPC_INST_MTLR			0x7c0803a6
87 #define PPC_INST_CMPWI			0x2c000000
88 #define PPC_INST_CMPDI			0x2c200000
89 #define PPC_INST_CMPLW			0x7c000040
90 #define PPC_INST_CMPLWI			0x28000000
91 #define PPC_INST_ADDI			0x38000000
92 #define PPC_INST_ADDIS			0x3c000000
93 #define PPC_INST_ADD			0x7c000214
94 #define PPC_INST_SUB			0x7c000050
95 #define PPC_INST_BLR			0x4e800020
96 #define PPC_INST_BLRL			0x4e800021
97 #define PPC_INST_MULLW			0x7c0001d6
98 #define PPC_INST_MULHWU			0x7c000016
99 #define PPC_INST_MULLI			0x1c000000
100 #define PPC_INST_DIVWU			0x7c0003d6
101 #define PPC_INST_RLWINM			0x54000000
102 #define PPC_INST_RLDICR			0x78000004
103 #define PPC_INST_SLW			0x7c000030
104 #define PPC_INST_SRW			0x7c000430
105 #define PPC_INST_AND			0x7c000038
106 #define PPC_INST_ANDDOT			0x7c000039
107 #define PPC_INST_OR			0x7c000378
108 #define PPC_INST_ANDI			0x70000000
109 #define PPC_INST_ORI			0x60000000
110 #define PPC_INST_ORIS			0x64000000
111 #define PPC_INST_NEG			0x7c0000d0
112 #define PPC_INST_BRANCH			0x48000000
113 #define PPC_INST_BRANCH_COND		0x40800000
114 
115 /* macros to insert fields into opcodes */
116 #define __PPC_RA(a)	(((a) & 0x1f) << 16)
117 #define __PPC_RB(b)	(((b) & 0x1f) << 11)
118 #define __PPC_RS(s)	(((s) & 0x1f) << 21)
119 #define __PPC_RT(s)	__PPC_RS(s)
120 #define __PPC_XA(a)	((((a) & 0x1f) << 16) | (((a) & 0x20) >> 3))
121 #define __PPC_XB(b)	((((b) & 0x1f) << 11) | (((b) & 0x20) >> 4))
122 #define __PPC_XS(s)	((((s) & 0x1f) << 21) | (((s) & 0x20) >> 5))
123 #define __PPC_XT(s)	__PPC_XS(s)
124 #define __PPC_T_TLB(t)	(((t) & 0x3) << 21)
125 #define __PPC_WC(w)	(((w) & 0x3) << 21)
126 #define __PPC_WS(w)	(((w) & 0x1f) << 11)
127 #define __PPC_SH(s)	__PPC_WS(s)
128 #define __PPC_MB(s)	(((s) & 0x1f) << 6)
129 #define __PPC_ME(s)	(((s) & 0x1f) << 1)
130 #define __PPC_BI(s)	(((s) & 0x1f) << 16)
131 
132 /*
133  * Only use the larx hint bit on 64bit CPUs. e500v1/v2 based CPUs will treat a
134  * larx with EH set as an illegal instruction.
135  */
136 #ifdef CONFIG_PPC64
137 #define __PPC_EH(eh)	(((eh) & 0x1) << 0)
138 #else
139 #define __PPC_EH(eh)	0
140 #endif
141 
142 /* Deal with instructions that older assemblers aren't aware of */
143 #define	PPC_DCBAL(a, b)		stringify_in_c(.long PPC_INST_DCBAL | \
144 					__PPC_RA(a) | __PPC_RB(b))
145 #define	PPC_DCBZL(a, b)		stringify_in_c(.long PPC_INST_DCBZL | \
146 					__PPC_RA(a) | __PPC_RB(b))
147 #define PPC_LDARX(t, a, b, eh)	stringify_in_c(.long PPC_INST_LDARX | \
148 					__PPC_RT(t) | __PPC_RA(a) | \
149 					__PPC_RB(b) | __PPC_EH(eh))
150 #define PPC_LWARX(t, a, b, eh)	stringify_in_c(.long PPC_INST_LWARX | \
151 					__PPC_RT(t) | __PPC_RA(a) | \
152 					__PPC_RB(b) | __PPC_EH(eh))
153 #define PPC_MSGSND(b)		stringify_in_c(.long PPC_INST_MSGSND | \
154 					__PPC_RB(b))
155 #define PPC_POPCNTB(a, s)	stringify_in_c(.long PPC_INST_POPCNTB | \
156 					__PPC_RA(a) | __PPC_RS(s))
157 #define PPC_POPCNTD(a, s)	stringify_in_c(.long PPC_INST_POPCNTD | \
158 					__PPC_RA(a) | __PPC_RS(s))
159 #define PPC_POPCNTW(a, s)	stringify_in_c(.long PPC_INST_POPCNTW | \
160 					__PPC_RA(a) | __PPC_RS(s))
161 #define PPC_RFCI		stringify_in_c(.long PPC_INST_RFCI)
162 #define PPC_RFDI		stringify_in_c(.long PPC_INST_RFDI)
163 #define PPC_RFMCI		stringify_in_c(.long PPC_INST_RFMCI)
164 #define PPC_TLBILX(t, a, b)	stringify_in_c(.long PPC_INST_TLBILX | \
165 					__PPC_T_TLB(t) | __PPC_RA(a) | __PPC_RB(b))
166 #define PPC_TLBILX_ALL(a, b)	PPC_TLBILX(0, a, b)
167 #define PPC_TLBILX_PID(a, b)	PPC_TLBILX(1, a, b)
168 #define PPC_TLBILX_VA(a, b)	PPC_TLBILX(3, a, b)
169 #define PPC_WAIT(w)		stringify_in_c(.long PPC_INST_WAIT | \
170 					__PPC_WC(w))
171 #define PPC_TLBIE(lp,a) 	stringify_in_c(.long PPC_INST_TLBIE | \
172 					       __PPC_RB(a) | __PPC_RS(lp))
173 #define PPC_TLBSRX_DOT(a,b)	stringify_in_c(.long PPC_INST_TLBSRX_DOT | \
174 					__PPC_RA(a) | __PPC_RB(b))
175 #define PPC_TLBIVAX(a,b)	stringify_in_c(.long PPC_INST_TLBIVAX | \
176 					__PPC_RA(a) | __PPC_RB(b))
177 
178 #define PPC_ERATWE(s, a, w)	stringify_in_c(.long PPC_INST_ERATWE | \
179 					__PPC_RS(s) | __PPC_RA(a) | __PPC_WS(w))
180 #define PPC_ERATRE(s, a, w)	stringify_in_c(.long PPC_INST_ERATRE | \
181 					__PPC_RS(s) | __PPC_RA(a) | __PPC_WS(w))
182 #define PPC_ERATILX(t, a, b)	stringify_in_c(.long PPC_INST_ERATILX | \
183 					__PPC_T_TLB(t) | __PPC_RA(a) | \
184 					__PPC_RB(b))
185 #define PPC_ERATIVAX(s, a, b)	stringify_in_c(.long PPC_INST_ERATIVAX | \
186 					__PPC_RS(s) | __PPC_RA(a) | __PPC_RB(b))
187 #define PPC_ERATSX(t, a, w)	stringify_in_c(.long PPC_INST_ERATSX | \
188 					__PPC_RS(t) | __PPC_RA(a) | __PPC_RB(b))
189 #define PPC_ERATSX_DOT(t, a, w)	stringify_in_c(.long PPC_INST_ERATSX_DOT | \
190 					__PPC_RS(t) | __PPC_RA(a) | __PPC_RB(b))
191 #define PPC_SLBFEE_DOT(t, b)	stringify_in_c(.long PPC_INST_SLBFEE | \
192 					__PPC_RT(t) | __PPC_RB(b))
193 
194 /*
195  * Define what the VSX XX1 form instructions will look like, then add
196  * the 128 bit load store instructions based on that.
197  */
198 #define VSX_XX1(s, a, b)	(__PPC_XS(s) | __PPC_RA(a) | __PPC_RB(b))
199 #define VSX_XX3(t, a, b)	(__PPC_XT(t) | __PPC_XA(a) | __PPC_XB(b))
200 #define STXVD2X(s, a, b)	stringify_in_c(.long PPC_INST_STXVD2X | \
201 					       VSX_XX1((s), (a), (b)))
202 #define LXVD2X(s, a, b)		stringify_in_c(.long PPC_INST_LXVD2X | \
203 					       VSX_XX1((s), (a), (b)))
204 #define XXLOR(t, a, b)		stringify_in_c(.long PPC_INST_XXLOR | \
205 					       VSX_XX3((t), (a), (b)))
206 
207 #define PPC_NAP			stringify_in_c(.long PPC_INST_NAP)
208 #define PPC_SLEEP		stringify_in_c(.long PPC_INST_SLEEP)
209 
210 #endif /* _ASM_POWERPC_PPC_OPCODE_H */
211