xref: /openbmc/linux/arch/s390/kernel/dis.c (revision b34e08d5)
1 /*
2  * Disassemble s390 instructions.
3  *
4  * Copyright IBM Corp. 2007
5  * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
6  */
7 
8 #include <linux/sched.h>
9 #include <linux/kernel.h>
10 #include <linux/string.h>
11 #include <linux/errno.h>
12 #include <linux/ptrace.h>
13 #include <linux/timer.h>
14 #include <linux/mm.h>
15 #include <linux/smp.h>
16 #include <linux/init.h>
17 #include <linux/interrupt.h>
18 #include <linux/delay.h>
19 #include <linux/module.h>
20 #include <linux/kallsyms.h>
21 #include <linux/reboot.h>
22 #include <linux/kprobes.h>
23 #include <linux/kdebug.h>
24 
25 #include <asm/uaccess.h>
26 #include <asm/dis.h>
27 #include <asm/io.h>
28 #include <linux/atomic.h>
29 #include <asm/mathemu.h>
30 #include <asm/cpcmd.h>
31 #include <asm/lowcore.h>
32 #include <asm/debug.h>
33 #include <asm/irq.h>
34 
35 #ifndef CONFIG_64BIT
36 #define ONELONG "%08lx: "
37 #else /* CONFIG_64BIT */
38 #define ONELONG "%016lx: "
39 #endif /* CONFIG_64BIT */
40 
41 enum {
42 	UNUSED,	/* Indicates the end of the operand list */
43 	R_8,	/* GPR starting at position 8 */
44 	R_12,	/* GPR starting at position 12 */
45 	R_16,	/* GPR starting at position 16 */
46 	R_20,	/* GPR starting at position 20 */
47 	R_24,	/* GPR starting at position 24 */
48 	R_28,	/* GPR starting at position 28 */
49 	R_32,	/* GPR starting at position 32 */
50 	F_8,	/* FPR starting at position 8 */
51 	F_12,	/* FPR starting at position 12 */
52 	F_16,	/* FPR starting at position 16 */
53 	F_20,	/* FPR starting at position 16 */
54 	F_24,	/* FPR starting at position 24 */
55 	F_28,	/* FPR starting at position 28 */
56 	F_32,	/* FPR starting at position 32 */
57 	A_8,	/* Access reg. starting at position 8 */
58 	A_12,	/* Access reg. starting at position 12 */
59 	A_24,	/* Access reg. starting at position 24 */
60 	A_28,	/* Access reg. starting at position 28 */
61 	C_8,	/* Control reg. starting at position 8 */
62 	C_12,	/* Control reg. starting at position 12 */
63 	B_16,	/* Base register starting at position 16 */
64 	B_32,	/* Base register starting at position 32 */
65 	X_12,	/* Index register starting at position 12 */
66 	D_20,	/* Displacement starting at position 20 */
67 	D_36,	/* Displacement starting at position 36 */
68 	D20_20,	/* 20 bit displacement starting at 20 */
69 	L4_8,	/* 4 bit length starting at position 8 */
70 	L4_12,	/* 4 bit length starting at position 12 */
71 	L8_8,	/* 8 bit length starting at position 8 */
72 	U4_8,	/* 4 bit unsigned value starting at 8 */
73 	U4_12,	/* 4 bit unsigned value starting at 12 */
74 	U4_16,	/* 4 bit unsigned value starting at 16 */
75 	U4_20,	/* 4 bit unsigned value starting at 20 */
76 	U4_24,	/* 4 bit unsigned value starting at 24 */
77 	U4_28,	/* 4 bit unsigned value starting at 28 */
78 	U4_32,	/* 4 bit unsigned value starting at 32 */
79 	U4_36,	/* 4 bit unsigned value starting at 36 */
80 	U8_8,	/* 8 bit unsigned value starting at 8 */
81 	U8_16,	/* 8 bit unsigned value starting at 16 */
82 	U8_24,	/* 8 bit unsigned value starting at 24 */
83 	U8_32,	/* 8 bit unsigned value starting at 32 */
84 	I8_8,	/* 8 bit signed value starting at 8 */
85 	I8_32,	/* 8 bit signed value starting at 32 */
86 	J12_12, /* PC relative offset at 12 */
87 	I16_16,	/* 16 bit signed value starting at 16 */
88 	I16_32,	/* 32 bit signed value starting at 16 */
89 	U16_16,	/* 16 bit unsigned value starting at 16 */
90 	U16_32,	/* 32 bit unsigned value starting at 16 */
91 	J16_16,	/* PC relative jump offset at 16 */
92 	J16_32, /* PC relative offset at 16 */
93 	I24_24, /* 24 bit signed value starting at 24 */
94 	J32_16,	/* PC relative long offset at 16 */
95 	I32_16,	/* 32 bit signed value starting at 16 */
96 	U32_16,	/* 32 bit unsigned value starting at 16 */
97 	M_16,	/* 4 bit optional mask starting at 16 */
98 	M_20,	/* 4 bit optional mask starting at 20 */
99 	RO_28,	/* optional GPR starting at position 28 */
100 };
101 
102 /*
103  * Enumeration of the different instruction formats.
104  * For details consult the principles of operation.
105  */
106 enum {
107 	INSTR_INVALID,
108 	INSTR_E,
109 	INSTR_IE_UU,
110 	INSTR_MII_UPI,
111 	INSTR_RIE_R0IU, INSTR_RIE_R0UU, INSTR_RIE_RRP, INSTR_RIE_RRPU,
112 	INSTR_RIE_RRUUU, INSTR_RIE_RUPI, INSTR_RIE_RUPU, INSTR_RIE_RRI0,
113 	INSTR_RIL_RI, INSTR_RIL_RP, INSTR_RIL_RU, INSTR_RIL_UP,
114 	INSTR_RIS_R0RDU, INSTR_RIS_R0UU, INSTR_RIS_RURDI, INSTR_RIS_RURDU,
115 	INSTR_RI_RI, INSTR_RI_RP, INSTR_RI_RU, INSTR_RI_UP,
116 	INSTR_RRE_00, INSTR_RRE_0R, INSTR_RRE_AA, INSTR_RRE_AR, INSTR_RRE_F0,
117 	INSTR_RRE_FF, INSTR_RRE_FR, INSTR_RRE_R0, INSTR_RRE_RA, INSTR_RRE_RF,
118 	INSTR_RRE_RR, INSTR_RRE_RR_OPT,
119 	INSTR_RRF_0UFF, INSTR_RRF_F0FF, INSTR_RRF_F0FF2, INSTR_RRF_F0FR,
120 	INSTR_RRF_FFRU, INSTR_RRF_FUFF, INSTR_RRF_FUFF2, INSTR_RRF_M0RR,
121 	INSTR_RRF_R0RR,	INSTR_RRF_R0RR2, INSTR_RRF_RMRR, INSTR_RRF_RURR,
122 	INSTR_RRF_U0FF,	INSTR_RRF_U0RF, INSTR_RRF_U0RR, INSTR_RRF_UUFF,
123 	INSTR_RRF_UUFR, INSTR_RRF_UURF,
124 	INSTR_RRR_F0FF, INSTR_RRS_RRRDU,
125 	INSTR_RR_FF, INSTR_RR_R0, INSTR_RR_RR, INSTR_RR_U0, INSTR_RR_UR,
126 	INSTR_RSE_CCRD, INSTR_RSE_RRRD, INSTR_RSE_RURD,
127 	INSTR_RSI_RRP,
128 	INSTR_RSL_LRDFU, INSTR_RSL_R0RD,
129 	INSTR_RSY_AARD, INSTR_RSY_CCRD, INSTR_RSY_RRRD, INSTR_RSY_RURD,
130 	INSTR_RSY_RDRM,
131 	INSTR_RS_AARD, INSTR_RS_CCRD, INSTR_RS_R0RD, INSTR_RS_RRRD,
132 	INSTR_RS_RURD,
133 	INSTR_RXE_FRRD, INSTR_RXE_RRRD,
134 	INSTR_RXF_FRRDF,
135 	INSTR_RXY_FRRD, INSTR_RXY_RRRD, INSTR_RXY_URRD,
136 	INSTR_RX_FRRD, INSTR_RX_RRRD, INSTR_RX_URRD,
137 	INSTR_SIL_RDI, INSTR_SIL_RDU,
138 	INSTR_SIY_IRD, INSTR_SIY_URD,
139 	INSTR_SI_URD,
140 	INSTR_SMI_U0RDP,
141 	INSTR_SSE_RDRD,
142 	INSTR_SSF_RRDRD, INSTR_SSF_RRDRD2,
143 	INSTR_SS_L0RDRD, INSTR_SS_LIRDRD, INSTR_SS_LLRDRD, INSTR_SS_RRRDRD,
144 	INSTR_SS_RRRDRD2, INSTR_SS_RRRDRD3,
145 	INSTR_S_00, INSTR_S_RD,
146 };
147 
148 static const struct s390_operand operands[] =
149 {
150 	[UNUSED]  = { 0, 0, 0 },
151 	[R_8]	 = {  4,  8, OPERAND_GPR },
152 	[R_12]	 = {  4, 12, OPERAND_GPR },
153 	[R_16]	 = {  4, 16, OPERAND_GPR },
154 	[R_20]	 = {  4, 20, OPERAND_GPR },
155 	[R_24]	 = {  4, 24, OPERAND_GPR },
156 	[R_28]	 = {  4, 28, OPERAND_GPR },
157 	[R_32]	 = {  4, 32, OPERAND_GPR },
158 	[F_8]	 = {  4,  8, OPERAND_FPR },
159 	[F_12]	 = {  4, 12, OPERAND_FPR },
160 	[F_16]	 = {  4, 16, OPERAND_FPR },
161 	[F_20]	 = {  4, 16, OPERAND_FPR },
162 	[F_24]	 = {  4, 24, OPERAND_FPR },
163 	[F_28]	 = {  4, 28, OPERAND_FPR },
164 	[F_32]	 = {  4, 32, OPERAND_FPR },
165 	[A_8]	 = {  4,  8, OPERAND_AR },
166 	[A_12]	 = {  4, 12, OPERAND_AR },
167 	[A_24]	 = {  4, 24, OPERAND_AR },
168 	[A_28]	 = {  4, 28, OPERAND_AR },
169 	[C_8]	 = {  4,  8, OPERAND_CR },
170 	[C_12]	 = {  4, 12, OPERAND_CR },
171 	[B_16]	 = {  4, 16, OPERAND_BASE | OPERAND_GPR },
172 	[B_32]	 = {  4, 32, OPERAND_BASE | OPERAND_GPR },
173 	[X_12]	 = {  4, 12, OPERAND_INDEX | OPERAND_GPR },
174 	[D_20]	 = { 12, 20, OPERAND_DISP },
175 	[D_36]	 = { 12, 36, OPERAND_DISP },
176 	[D20_20] = { 20, 20, OPERAND_DISP | OPERAND_SIGNED },
177 	[L4_8]	 = {  4,  8, OPERAND_LENGTH },
178 	[L4_12]  = {  4, 12, OPERAND_LENGTH },
179 	[L8_8]	 = {  8,  8, OPERAND_LENGTH },
180 	[U4_8]	 = {  4,  8, 0 },
181 	[U4_12]  = {  4, 12, 0 },
182 	[U4_16]  = {  4, 16, 0 },
183 	[U4_20]  = {  4, 20, 0 },
184 	[U4_24]  = {  4, 24, 0 },
185 	[U4_28]  = {  4, 28, 0 },
186 	[U4_32]  = {  4, 32, 0 },
187 	[U4_36]  = {  4, 36, 0 },
188 	[U8_8]	 = {  8,  8, 0 },
189 	[U8_16]  = {  8, 16, 0 },
190 	[U8_24]  = {  8, 24, 0 },
191 	[U8_32]  = {  8, 32, 0 },
192 	[J12_12] = { 12, 12, OPERAND_PCREL },
193 	[I16_16] = { 16, 16, OPERAND_SIGNED },
194 	[U16_16] = { 16, 16, 0 },
195 	[U16_32] = { 16, 32, 0 },
196 	[J16_16] = { 16, 16, OPERAND_PCREL },
197 	[J16_32] = { 16, 32, OPERAND_PCREL },
198 	[I16_32] = { 16, 32, OPERAND_SIGNED },
199 	[I24_24] = { 24, 24, OPERAND_SIGNED },
200 	[J32_16] = { 32, 16, OPERAND_PCREL },
201 	[I32_16] = { 32, 16, OPERAND_SIGNED },
202 	[U32_16] = { 32, 16, 0 },
203 	[M_16]	 = {  4, 16, 0 },
204 	[M_20]	 = {  4, 20, 0 },
205 	[RO_28]  = {  4, 28, OPERAND_GPR }
206 };
207 
208 static const unsigned char formats[][7] = {
209 	[INSTR_E]	  = { 0xff, 0,0,0,0,0,0 },
210 	[INSTR_IE_UU]	  = { 0xff, U4_24,U4_28,0,0,0,0 },
211 	[INSTR_MII_UPI]	  = { 0xff, U4_8,J12_12,I24_24 },
212 	[INSTR_RIE_R0IU]  = { 0xff, R_8,I16_16,U4_32,0,0,0 },
213 	[INSTR_RIE_R0UU]  = { 0xff, R_8,U16_16,U4_32,0,0,0 },
214 	[INSTR_RIE_RRI0]  = { 0xff, R_8,R_12,I16_16,0,0,0 },
215 	[INSTR_RIE_RRPU]  = { 0xff, R_8,R_12,U4_32,J16_16,0,0 },
216 	[INSTR_RIE_RRP]	  = { 0xff, R_8,R_12,J16_16,0,0,0 },
217 	[INSTR_RIE_RRUUU] = { 0xff, R_8,R_12,U8_16,U8_24,U8_32,0 },
218 	[INSTR_RIE_RUPI]  = { 0xff, R_8,I8_32,U4_12,J16_16,0,0 },
219 	[INSTR_RIE_RUPU]  = { 0xff, R_8,U8_32,U4_12,J16_16,0,0 },
220 	[INSTR_RIL_RI]	  = { 0x0f, R_8,I32_16,0,0,0,0 },
221 	[INSTR_RIL_RP]	  = { 0x0f, R_8,J32_16,0,0,0,0 },
222 	[INSTR_RIL_RU]	  = { 0x0f, R_8,U32_16,0,0,0,0 },
223 	[INSTR_RIL_UP]	  = { 0x0f, U4_8,J32_16,0,0,0,0 },
224 	[INSTR_RIS_R0RDU] = { 0xff, R_8,U8_32,D_20,B_16,0,0 },
225 	[INSTR_RIS_RURDI] = { 0xff, R_8,I8_32,U4_12,D_20,B_16,0 },
226 	[INSTR_RIS_RURDU] = { 0xff, R_8,U8_32,U4_12,D_20,B_16,0 },
227 	[INSTR_RI_RI]	  = { 0x0f, R_8,I16_16,0,0,0,0 },
228 	[INSTR_RI_RP]	  = { 0x0f, R_8,J16_16,0,0,0,0 },
229 	[INSTR_RI_RU]	  = { 0x0f, R_8,U16_16,0,0,0,0 },
230 	[INSTR_RI_UP]	  = { 0x0f, U4_8,J16_16,0,0,0,0 },
231 	[INSTR_RRE_00]	  = { 0xff, 0,0,0,0,0,0 },
232 	[INSTR_RRE_0R]	  = { 0xff, R_28,0,0,0,0,0 },
233 	[INSTR_RRE_AA]	  = { 0xff, A_24,A_28,0,0,0,0 },
234 	[INSTR_RRE_AR]	  = { 0xff, A_24,R_28,0,0,0,0 },
235 	[INSTR_RRE_F0]	  = { 0xff, F_24,0,0,0,0,0 },
236 	[INSTR_RRE_FF]	  = { 0xff, F_24,F_28,0,0,0,0 },
237 	[INSTR_RRE_FR]	  = { 0xff, F_24,R_28,0,0,0,0 },
238 	[INSTR_RRE_R0]	  = { 0xff, R_24,0,0,0,0,0 },
239 	[INSTR_RRE_RA]	  = { 0xff, R_24,A_28,0,0,0,0 },
240 	[INSTR_RRE_RF]	  = { 0xff, R_24,F_28,0,0,0,0 },
241 	[INSTR_RRE_RR]	  = { 0xff, R_24,R_28,0,0,0,0 },
242 	[INSTR_RRE_RR_OPT]= { 0xff, R_24,RO_28,0,0,0,0 },
243 	[INSTR_RRF_0UFF]  = { 0xff, F_24,F_28,U4_20,0,0,0 },
244 	[INSTR_RRF_F0FF2] = { 0xff, F_24,F_16,F_28,0,0,0 },
245 	[INSTR_RRF_F0FF]  = { 0xff, F_16,F_24,F_28,0,0,0 },
246 	[INSTR_RRF_F0FR]  = { 0xff, F_24,F_16,R_28,0,0,0 },
247 	[INSTR_RRF_FFRU]  = { 0xff, F_24,F_16,R_28,U4_20,0,0 },
248 	[INSTR_RRF_FUFF]  = { 0xff, F_24,F_16,F_28,U4_20,0,0 },
249 	[INSTR_RRF_FUFF2] = { 0xff, F_24,F_28,F_16,U4_20,0,0 },
250 	[INSTR_RRF_M0RR]  = { 0xff, R_24,R_28,M_16,0,0,0 },
251 	[INSTR_RRF_R0RR]  = { 0xff, R_24,R_16,R_28,0,0,0 },
252 	[INSTR_RRF_R0RR2] = { 0xff, R_24,R_28,R_16,0,0,0 },
253 	[INSTR_RRF_RMRR]  = { 0xff, R_24,R_16,R_28,M_20,0,0 },
254 	[INSTR_RRF_RURR]  = { 0xff, R_24,R_28,R_16,U4_20,0,0 },
255 	[INSTR_RRF_U0FF]  = { 0xff, F_24,U4_16,F_28,0,0,0 },
256 	[INSTR_RRF_U0RF]  = { 0xff, R_24,U4_16,F_28,0,0,0 },
257 	[INSTR_RRF_U0RR]  = { 0xff, R_24,R_28,U4_16,0,0,0 },
258 	[INSTR_RRF_UUFF]  = { 0xff, F_24,U4_16,F_28,U4_20,0,0 },
259 	[INSTR_RRF_UUFR]  = { 0xff, F_24,U4_16,R_28,U4_20,0,0 },
260 	[INSTR_RRF_UURF]  = { 0xff, R_24,U4_16,F_28,U4_20,0,0 },
261 	[INSTR_RRR_F0FF]  = { 0xff, F_24,F_28,F_16,0,0,0 },
262 	[INSTR_RRS_RRRDU] = { 0xff, R_8,R_12,U4_32,D_20,B_16,0 },
263 	[INSTR_RR_FF]	  = { 0xff, F_8,F_12,0,0,0,0 },
264 	[INSTR_RR_R0]	  = { 0xff, R_8, 0,0,0,0,0 },
265 	[INSTR_RR_RR]	  = { 0xff, R_8,R_12,0,0,0,0 },
266 	[INSTR_RR_U0]	  = { 0xff, U8_8, 0,0,0,0,0 },
267 	[INSTR_RR_UR]	  = { 0xff, U4_8,R_12,0,0,0,0 },
268 	[INSTR_RSE_CCRD]  = { 0xff, C_8,C_12,D_20,B_16,0,0 },
269 	[INSTR_RSE_RRRD]  = { 0xff, R_8,R_12,D_20,B_16,0,0 },
270 	[INSTR_RSE_RURD]  = { 0xff, R_8,U4_12,D_20,B_16,0,0 },
271 	[INSTR_RSI_RRP]	  = { 0xff, R_8,R_12,J16_16,0,0,0 },
272 	[INSTR_RSL_LRDFU] = { 0xff, F_32,D_20,L4_8,B_16,U4_36,0 },
273 	[INSTR_RSL_R0RD]  = { 0xff, D_20,L4_8,B_16,0,0,0 },
274 	[INSTR_RSY_AARD]  = { 0xff, A_8,A_12,D20_20,B_16,0,0 },
275 	[INSTR_RSY_CCRD]  = { 0xff, C_8,C_12,D20_20,B_16,0,0 },
276 	[INSTR_RSY_RDRM]  = { 0xff, R_8,D20_20,B_16,U4_12,0,0 },
277 	[INSTR_RSY_RRRD]  = { 0xff, R_8,R_12,D20_20,B_16,0,0 },
278 	[INSTR_RSY_RURD]  = { 0xff, R_8,U4_12,D20_20,B_16,0,0 },
279 	[INSTR_RS_AARD]	  = { 0xff, A_8,A_12,D_20,B_16,0,0 },
280 	[INSTR_RS_CCRD]	  = { 0xff, C_8,C_12,D_20,B_16,0,0 },
281 	[INSTR_RS_R0RD]	  = { 0xff, R_8,D_20,B_16,0,0,0 },
282 	[INSTR_RS_RRRD]	  = { 0xff, R_8,R_12,D_20,B_16,0,0 },
283 	[INSTR_RS_RURD]	  = { 0xff, R_8,U4_12,D_20,B_16,0,0 },
284 	[INSTR_RXE_FRRD]  = { 0xff, F_8,D_20,X_12,B_16,0,0 },
285 	[INSTR_RXE_RRRD]  = { 0xff, R_8,D_20,X_12,B_16,0,0 },
286 	[INSTR_RXF_FRRDF] = { 0xff, F_32,F_8,D_20,X_12,B_16,0 },
287 	[INSTR_RXY_FRRD]  = { 0xff, F_8,D20_20,X_12,B_16,0,0 },
288 	[INSTR_RXY_RRRD]  = { 0xff, R_8,D20_20,X_12,B_16,0,0 },
289 	[INSTR_RXY_URRD]  = { 0xff, U4_8,D20_20,X_12,B_16,0,0 },
290 	[INSTR_RX_FRRD]	  = { 0xff, F_8,D_20,X_12,B_16,0,0 },
291 	[INSTR_RX_RRRD]	  = { 0xff, R_8,D_20,X_12,B_16,0,0 },
292 	[INSTR_RX_URRD]	  = { 0xff, U4_8,D_20,X_12,B_16,0,0 },
293 	[INSTR_SIL_RDI]   = { 0xff, D_20,B_16,I16_32,0,0,0 },
294 	[INSTR_SIL_RDU]   = { 0xff, D_20,B_16,U16_32,0,0,0 },
295 	[INSTR_SIY_IRD]   = { 0xff, D20_20,B_16,I8_8,0,0,0 },
296 	[INSTR_SIY_URD]	  = { 0xff, D20_20,B_16,U8_8,0,0,0 },
297 	[INSTR_SI_URD]	  = { 0xff, D_20,B_16,U8_8,0,0,0 },
298 	[INSTR_SMI_U0RDP] = { 0xff, U4_8,J16_32,D_20,B_16,0,0 },
299 	[INSTR_SSE_RDRD]  = { 0xff, D_20,B_16,D_36,B_32,0,0 },
300 	[INSTR_SSF_RRDRD] = { 0x0f, D_20,B_16,D_36,B_32,R_8,0 },
301 	[INSTR_SSF_RRDRD2]= { 0x0f, R_8,D_20,B_16,D_36,B_32,0 },
302 	[INSTR_SS_L0RDRD] = { 0xff, D_20,L8_8,B_16,D_36,B_32,0 },
303 	[INSTR_SS_LIRDRD] = { 0xff, D_20,L4_8,B_16,D_36,B_32,U4_12 },
304 	[INSTR_SS_LLRDRD] = { 0xff, D_20,L4_8,B_16,D_36,L4_12,B_32 },
305 	[INSTR_SS_RRRDRD2]= { 0xff, R_8,D_20,B_16,R_12,D_36,B_32 },
306 	[INSTR_SS_RRRDRD3]= { 0xff, R_8,R_12,D_20,B_16,D_36,B_32 },
307 	[INSTR_SS_RRRDRD] = { 0xff, D_20,R_8,B_16,D_36,B_32,R_12 },
308 	[INSTR_S_00]	  = { 0xff, 0,0,0,0,0,0 },
309 	[INSTR_S_RD]	  = { 0xff, D_20,B_16,0,0,0,0 },
310 };
311 
312 enum {
313 	LONG_INSN_ALGHSIK,
314 	LONG_INSN_ALHHHR,
315 	LONG_INSN_ALHHLR,
316 	LONG_INSN_ALHSIK,
317 	LONG_INSN_ALSIHN,
318 	LONG_INSN_CDFBRA,
319 	LONG_INSN_CDGBRA,
320 	LONG_INSN_CDGTRA,
321 	LONG_INSN_CDLFBR,
322 	LONG_INSN_CDLFTR,
323 	LONG_INSN_CDLGBR,
324 	LONG_INSN_CDLGTR,
325 	LONG_INSN_CEFBRA,
326 	LONG_INSN_CEGBRA,
327 	LONG_INSN_CELFBR,
328 	LONG_INSN_CELGBR,
329 	LONG_INSN_CFDBRA,
330 	LONG_INSN_CFEBRA,
331 	LONG_INSN_CFXBRA,
332 	LONG_INSN_CGDBRA,
333 	LONG_INSN_CGDTRA,
334 	LONG_INSN_CGEBRA,
335 	LONG_INSN_CGXBRA,
336 	LONG_INSN_CGXTRA,
337 	LONG_INSN_CLFDBR,
338 	LONG_INSN_CLFDTR,
339 	LONG_INSN_CLFEBR,
340 	LONG_INSN_CLFHSI,
341 	LONG_INSN_CLFXBR,
342 	LONG_INSN_CLFXTR,
343 	LONG_INSN_CLGDBR,
344 	LONG_INSN_CLGDTR,
345 	LONG_INSN_CLGEBR,
346 	LONG_INSN_CLGFRL,
347 	LONG_INSN_CLGHRL,
348 	LONG_INSN_CLGHSI,
349 	LONG_INSN_CLGXBR,
350 	LONG_INSN_CLGXTR,
351 	LONG_INSN_CLHHSI,
352 	LONG_INSN_CXFBRA,
353 	LONG_INSN_CXGBRA,
354 	LONG_INSN_CXGTRA,
355 	LONG_INSN_CXLFBR,
356 	LONG_INSN_CXLFTR,
357 	LONG_INSN_CXLGBR,
358 	LONG_INSN_CXLGTR,
359 	LONG_INSN_FIDBRA,
360 	LONG_INSN_FIEBRA,
361 	LONG_INSN_FIXBRA,
362 	LONG_INSN_LDXBRA,
363 	LONG_INSN_LEDBRA,
364 	LONG_INSN_LEXBRA,
365 	LONG_INSN_LLGFAT,
366 	LONG_INSN_LLGFRL,
367 	LONG_INSN_LLGHRL,
368 	LONG_INSN_LLGTAT,
369 	LONG_INSN_POPCNT,
370 	LONG_INSN_RIEMIT,
371 	LONG_INSN_RINEXT,
372 	LONG_INSN_RISBGN,
373 	LONG_INSN_RISBHG,
374 	LONG_INSN_RISBLG,
375 	LONG_INSN_SLHHHR,
376 	LONG_INSN_SLHHLR,
377 	LONG_INSN_TABORT,
378 	LONG_INSN_TBEGIN,
379 	LONG_INSN_TBEGINC,
380 	LONG_INSN_PCISTG,
381 	LONG_INSN_MPCIFC,
382 	LONG_INSN_STPCIFC,
383 	LONG_INSN_PCISTB,
384 };
385 
386 static char *long_insn_name[] = {
387 	[LONG_INSN_ALGHSIK] = "alghsik",
388 	[LONG_INSN_ALHHHR] = "alhhhr",
389 	[LONG_INSN_ALHHLR] = "alhhlr",
390 	[LONG_INSN_ALHSIK] = "alhsik",
391 	[LONG_INSN_ALSIHN] = "alsihn",
392 	[LONG_INSN_CDFBRA] = "cdfbra",
393 	[LONG_INSN_CDGBRA] = "cdgbra",
394 	[LONG_INSN_CDGTRA] = "cdgtra",
395 	[LONG_INSN_CDLFBR] = "cdlfbr",
396 	[LONG_INSN_CDLFTR] = "cdlftr",
397 	[LONG_INSN_CDLGBR] = "cdlgbr",
398 	[LONG_INSN_CDLGTR] = "cdlgtr",
399 	[LONG_INSN_CEFBRA] = "cefbra",
400 	[LONG_INSN_CEGBRA] = "cegbra",
401 	[LONG_INSN_CELFBR] = "celfbr",
402 	[LONG_INSN_CELGBR] = "celgbr",
403 	[LONG_INSN_CFDBRA] = "cfdbra",
404 	[LONG_INSN_CFEBRA] = "cfebra",
405 	[LONG_INSN_CFXBRA] = "cfxbra",
406 	[LONG_INSN_CGDBRA] = "cgdbra",
407 	[LONG_INSN_CGDTRA] = "cgdtra",
408 	[LONG_INSN_CGEBRA] = "cgebra",
409 	[LONG_INSN_CGXBRA] = "cgxbra",
410 	[LONG_INSN_CGXTRA] = "cgxtra",
411 	[LONG_INSN_CLFDBR] = "clfdbr",
412 	[LONG_INSN_CLFDTR] = "clfdtr",
413 	[LONG_INSN_CLFEBR] = "clfebr",
414 	[LONG_INSN_CLFHSI] = "clfhsi",
415 	[LONG_INSN_CLFXBR] = "clfxbr",
416 	[LONG_INSN_CLFXTR] = "clfxtr",
417 	[LONG_INSN_CLGDBR] = "clgdbr",
418 	[LONG_INSN_CLGDTR] = "clgdtr",
419 	[LONG_INSN_CLGEBR] = "clgebr",
420 	[LONG_INSN_CLGFRL] = "clgfrl",
421 	[LONG_INSN_CLGHRL] = "clghrl",
422 	[LONG_INSN_CLGHSI] = "clghsi",
423 	[LONG_INSN_CLGXBR] = "clgxbr",
424 	[LONG_INSN_CLGXTR] = "clgxtr",
425 	[LONG_INSN_CLHHSI] = "clhhsi",
426 	[LONG_INSN_CXFBRA] = "cxfbra",
427 	[LONG_INSN_CXGBRA] = "cxgbra",
428 	[LONG_INSN_CXGTRA] = "cxgtra",
429 	[LONG_INSN_CXLFBR] = "cxlfbr",
430 	[LONG_INSN_CXLFTR] = "cxlftr",
431 	[LONG_INSN_CXLGBR] = "cxlgbr",
432 	[LONG_INSN_CXLGTR] = "cxlgtr",
433 	[LONG_INSN_FIDBRA] = "fidbra",
434 	[LONG_INSN_FIEBRA] = "fiebra",
435 	[LONG_INSN_FIXBRA] = "fixbra",
436 	[LONG_INSN_LDXBRA] = "ldxbra",
437 	[LONG_INSN_LEDBRA] = "ledbra",
438 	[LONG_INSN_LEXBRA] = "lexbra",
439 	[LONG_INSN_LLGFAT] = "llgfat",
440 	[LONG_INSN_LLGFRL] = "llgfrl",
441 	[LONG_INSN_LLGHRL] = "llghrl",
442 	[LONG_INSN_LLGTAT] = "llgtat",
443 	[LONG_INSN_POPCNT] = "popcnt",
444 	[LONG_INSN_RIEMIT] = "riemit",
445 	[LONG_INSN_RINEXT] = "rinext",
446 	[LONG_INSN_RISBGN] = "risbgn",
447 	[LONG_INSN_RISBHG] = "risbhg",
448 	[LONG_INSN_RISBLG] = "risblg",
449 	[LONG_INSN_SLHHHR] = "slhhhr",
450 	[LONG_INSN_SLHHLR] = "slhhlr",
451 	[LONG_INSN_TABORT] = "tabort",
452 	[LONG_INSN_TBEGIN] = "tbegin",
453 	[LONG_INSN_TBEGINC] = "tbeginc",
454 	[LONG_INSN_PCISTG] = "pcistg",
455 	[LONG_INSN_MPCIFC] = "mpcifc",
456 	[LONG_INSN_STPCIFC] = "stpcifc",
457 	[LONG_INSN_PCISTB] = "pcistb",
458 };
459 
460 static struct s390_insn opcode[] = {
461 #ifdef CONFIG_64BIT
462 	{ "bprp", 0xc5, INSTR_MII_UPI },
463 	{ "bpp", 0xc7, INSTR_SMI_U0RDP },
464 	{ "trtr", 0xd0, INSTR_SS_L0RDRD },
465 	{ "lmd", 0xef, INSTR_SS_RRRDRD3 },
466 #endif
467 	{ "spm", 0x04, INSTR_RR_R0 },
468 	{ "balr", 0x05, INSTR_RR_RR },
469 	{ "bctr", 0x06, INSTR_RR_RR },
470 	{ "bcr", 0x07, INSTR_RR_UR },
471 	{ "svc", 0x0a, INSTR_RR_U0 },
472 	{ "bsm", 0x0b, INSTR_RR_RR },
473 	{ "bassm", 0x0c, INSTR_RR_RR },
474 	{ "basr", 0x0d, INSTR_RR_RR },
475 	{ "mvcl", 0x0e, INSTR_RR_RR },
476 	{ "clcl", 0x0f, INSTR_RR_RR },
477 	{ "lpr", 0x10, INSTR_RR_RR },
478 	{ "lnr", 0x11, INSTR_RR_RR },
479 	{ "ltr", 0x12, INSTR_RR_RR },
480 	{ "lcr", 0x13, INSTR_RR_RR },
481 	{ "nr", 0x14, INSTR_RR_RR },
482 	{ "clr", 0x15, INSTR_RR_RR },
483 	{ "or", 0x16, INSTR_RR_RR },
484 	{ "xr", 0x17, INSTR_RR_RR },
485 	{ "lr", 0x18, INSTR_RR_RR },
486 	{ "cr", 0x19, INSTR_RR_RR },
487 	{ "ar", 0x1a, INSTR_RR_RR },
488 	{ "sr", 0x1b, INSTR_RR_RR },
489 	{ "mr", 0x1c, INSTR_RR_RR },
490 	{ "dr", 0x1d, INSTR_RR_RR },
491 	{ "alr", 0x1e, INSTR_RR_RR },
492 	{ "slr", 0x1f, INSTR_RR_RR },
493 	{ "lpdr", 0x20, INSTR_RR_FF },
494 	{ "lndr", 0x21, INSTR_RR_FF },
495 	{ "ltdr", 0x22, INSTR_RR_FF },
496 	{ "lcdr", 0x23, INSTR_RR_FF },
497 	{ "hdr", 0x24, INSTR_RR_FF },
498 	{ "ldxr", 0x25, INSTR_RR_FF },
499 	{ "mxr", 0x26, INSTR_RR_FF },
500 	{ "mxdr", 0x27, INSTR_RR_FF },
501 	{ "ldr", 0x28, INSTR_RR_FF },
502 	{ "cdr", 0x29, INSTR_RR_FF },
503 	{ "adr", 0x2a, INSTR_RR_FF },
504 	{ "sdr", 0x2b, INSTR_RR_FF },
505 	{ "mdr", 0x2c, INSTR_RR_FF },
506 	{ "ddr", 0x2d, INSTR_RR_FF },
507 	{ "awr", 0x2e, INSTR_RR_FF },
508 	{ "swr", 0x2f, INSTR_RR_FF },
509 	{ "lper", 0x30, INSTR_RR_FF },
510 	{ "lner", 0x31, INSTR_RR_FF },
511 	{ "lter", 0x32, INSTR_RR_FF },
512 	{ "lcer", 0x33, INSTR_RR_FF },
513 	{ "her", 0x34, INSTR_RR_FF },
514 	{ "ledr", 0x35, INSTR_RR_FF },
515 	{ "axr", 0x36, INSTR_RR_FF },
516 	{ "sxr", 0x37, INSTR_RR_FF },
517 	{ "ler", 0x38, INSTR_RR_FF },
518 	{ "cer", 0x39, INSTR_RR_FF },
519 	{ "aer", 0x3a, INSTR_RR_FF },
520 	{ "ser", 0x3b, INSTR_RR_FF },
521 	{ "mder", 0x3c, INSTR_RR_FF },
522 	{ "der", 0x3d, INSTR_RR_FF },
523 	{ "aur", 0x3e, INSTR_RR_FF },
524 	{ "sur", 0x3f, INSTR_RR_FF },
525 	{ "sth", 0x40, INSTR_RX_RRRD },
526 	{ "la", 0x41, INSTR_RX_RRRD },
527 	{ "stc", 0x42, INSTR_RX_RRRD },
528 	{ "ic", 0x43, INSTR_RX_RRRD },
529 	{ "ex", 0x44, INSTR_RX_RRRD },
530 	{ "bal", 0x45, INSTR_RX_RRRD },
531 	{ "bct", 0x46, INSTR_RX_RRRD },
532 	{ "bc", 0x47, INSTR_RX_URRD },
533 	{ "lh", 0x48, INSTR_RX_RRRD },
534 	{ "ch", 0x49, INSTR_RX_RRRD },
535 	{ "ah", 0x4a, INSTR_RX_RRRD },
536 	{ "sh", 0x4b, INSTR_RX_RRRD },
537 	{ "mh", 0x4c, INSTR_RX_RRRD },
538 	{ "bas", 0x4d, INSTR_RX_RRRD },
539 	{ "cvd", 0x4e, INSTR_RX_RRRD },
540 	{ "cvb", 0x4f, INSTR_RX_RRRD },
541 	{ "st", 0x50, INSTR_RX_RRRD },
542 	{ "lae", 0x51, INSTR_RX_RRRD },
543 	{ "n", 0x54, INSTR_RX_RRRD },
544 	{ "cl", 0x55, INSTR_RX_RRRD },
545 	{ "o", 0x56, INSTR_RX_RRRD },
546 	{ "x", 0x57, INSTR_RX_RRRD },
547 	{ "l", 0x58, INSTR_RX_RRRD },
548 	{ "c", 0x59, INSTR_RX_RRRD },
549 	{ "a", 0x5a, INSTR_RX_RRRD },
550 	{ "s", 0x5b, INSTR_RX_RRRD },
551 	{ "m", 0x5c, INSTR_RX_RRRD },
552 	{ "d", 0x5d, INSTR_RX_RRRD },
553 	{ "al", 0x5e, INSTR_RX_RRRD },
554 	{ "sl", 0x5f, INSTR_RX_RRRD },
555 	{ "std", 0x60, INSTR_RX_FRRD },
556 	{ "mxd", 0x67, INSTR_RX_FRRD },
557 	{ "ld", 0x68, INSTR_RX_FRRD },
558 	{ "cd", 0x69, INSTR_RX_FRRD },
559 	{ "ad", 0x6a, INSTR_RX_FRRD },
560 	{ "sd", 0x6b, INSTR_RX_FRRD },
561 	{ "md", 0x6c, INSTR_RX_FRRD },
562 	{ "dd", 0x6d, INSTR_RX_FRRD },
563 	{ "aw", 0x6e, INSTR_RX_FRRD },
564 	{ "sw", 0x6f, INSTR_RX_FRRD },
565 	{ "ste", 0x70, INSTR_RX_FRRD },
566 	{ "ms", 0x71, INSTR_RX_RRRD },
567 	{ "le", 0x78, INSTR_RX_FRRD },
568 	{ "ce", 0x79, INSTR_RX_FRRD },
569 	{ "ae", 0x7a, INSTR_RX_FRRD },
570 	{ "se", 0x7b, INSTR_RX_FRRD },
571 	{ "mde", 0x7c, INSTR_RX_FRRD },
572 	{ "de", 0x7d, INSTR_RX_FRRD },
573 	{ "au", 0x7e, INSTR_RX_FRRD },
574 	{ "su", 0x7f, INSTR_RX_FRRD },
575 	{ "ssm", 0x80, INSTR_S_RD },
576 	{ "lpsw", 0x82, INSTR_S_RD },
577 	{ "diag", 0x83, INSTR_RS_RRRD },
578 	{ "brxh", 0x84, INSTR_RSI_RRP },
579 	{ "brxle", 0x85, INSTR_RSI_RRP },
580 	{ "bxh", 0x86, INSTR_RS_RRRD },
581 	{ "bxle", 0x87, INSTR_RS_RRRD },
582 	{ "srl", 0x88, INSTR_RS_R0RD },
583 	{ "sll", 0x89, INSTR_RS_R0RD },
584 	{ "sra", 0x8a, INSTR_RS_R0RD },
585 	{ "sla", 0x8b, INSTR_RS_R0RD },
586 	{ "srdl", 0x8c, INSTR_RS_R0RD },
587 	{ "sldl", 0x8d, INSTR_RS_R0RD },
588 	{ "srda", 0x8e, INSTR_RS_R0RD },
589 	{ "slda", 0x8f, INSTR_RS_R0RD },
590 	{ "stm", 0x90, INSTR_RS_RRRD },
591 	{ "tm", 0x91, INSTR_SI_URD },
592 	{ "mvi", 0x92, INSTR_SI_URD },
593 	{ "ts", 0x93, INSTR_S_RD },
594 	{ "ni", 0x94, INSTR_SI_URD },
595 	{ "cli", 0x95, INSTR_SI_URD },
596 	{ "oi", 0x96, INSTR_SI_URD },
597 	{ "xi", 0x97, INSTR_SI_URD },
598 	{ "lm", 0x98, INSTR_RS_RRRD },
599 	{ "trace", 0x99, INSTR_RS_RRRD },
600 	{ "lam", 0x9a, INSTR_RS_AARD },
601 	{ "stam", 0x9b, INSTR_RS_AARD },
602 	{ "mvcle", 0xa8, INSTR_RS_RRRD },
603 	{ "clcle", 0xa9, INSTR_RS_RRRD },
604 	{ "stnsm", 0xac, INSTR_SI_URD },
605 	{ "stosm", 0xad, INSTR_SI_URD },
606 	{ "sigp", 0xae, INSTR_RS_RRRD },
607 	{ "mc", 0xaf, INSTR_SI_URD },
608 	{ "lra", 0xb1, INSTR_RX_RRRD },
609 	{ "stctl", 0xb6, INSTR_RS_CCRD },
610 	{ "lctl", 0xb7, INSTR_RS_CCRD },
611 	{ "cs", 0xba, INSTR_RS_RRRD },
612 	{ "cds", 0xbb, INSTR_RS_RRRD },
613 	{ "clm", 0xbd, INSTR_RS_RURD },
614 	{ "stcm", 0xbe, INSTR_RS_RURD },
615 	{ "icm", 0xbf, INSTR_RS_RURD },
616 	{ "mvn", 0xd1, INSTR_SS_L0RDRD },
617 	{ "mvc", 0xd2, INSTR_SS_L0RDRD },
618 	{ "mvz", 0xd3, INSTR_SS_L0RDRD },
619 	{ "nc", 0xd4, INSTR_SS_L0RDRD },
620 	{ "clc", 0xd5, INSTR_SS_L0RDRD },
621 	{ "oc", 0xd6, INSTR_SS_L0RDRD },
622 	{ "xc", 0xd7, INSTR_SS_L0RDRD },
623 	{ "mvck", 0xd9, INSTR_SS_RRRDRD },
624 	{ "mvcp", 0xda, INSTR_SS_RRRDRD },
625 	{ "mvcs", 0xdb, INSTR_SS_RRRDRD },
626 	{ "tr", 0xdc, INSTR_SS_L0RDRD },
627 	{ "trt", 0xdd, INSTR_SS_L0RDRD },
628 	{ "ed", 0xde, INSTR_SS_L0RDRD },
629 	{ "edmk", 0xdf, INSTR_SS_L0RDRD },
630 	{ "pku", 0xe1, INSTR_SS_L0RDRD },
631 	{ "unpku", 0xe2, INSTR_SS_L0RDRD },
632 	{ "mvcin", 0xe8, INSTR_SS_L0RDRD },
633 	{ "pka", 0xe9, INSTR_SS_L0RDRD },
634 	{ "unpka", 0xea, INSTR_SS_L0RDRD },
635 	{ "plo", 0xee, INSTR_SS_RRRDRD2 },
636 	{ "srp", 0xf0, INSTR_SS_LIRDRD },
637 	{ "mvo", 0xf1, INSTR_SS_LLRDRD },
638 	{ "pack", 0xf2, INSTR_SS_LLRDRD },
639 	{ "unpk", 0xf3, INSTR_SS_LLRDRD },
640 	{ "zap", 0xf8, INSTR_SS_LLRDRD },
641 	{ "cp", 0xf9, INSTR_SS_LLRDRD },
642 	{ "ap", 0xfa, INSTR_SS_LLRDRD },
643 	{ "sp", 0xfb, INSTR_SS_LLRDRD },
644 	{ "mp", 0xfc, INSTR_SS_LLRDRD },
645 	{ "dp", 0xfd, INSTR_SS_LLRDRD },
646 	{ "", 0, INSTR_INVALID }
647 };
648 
649 static struct s390_insn opcode_01[] = {
650 #ifdef CONFIG_64BIT
651 	{ "ptff", 0x04, INSTR_E },
652 	{ "pfpo", 0x0a, INSTR_E },
653 	{ "sam64", 0x0e, INSTR_E },
654 #endif
655 	{ "pr", 0x01, INSTR_E },
656 	{ "upt", 0x02, INSTR_E },
657 	{ "sckpf", 0x07, INSTR_E },
658 	{ "tam", 0x0b, INSTR_E },
659 	{ "sam24", 0x0c, INSTR_E },
660 	{ "sam31", 0x0d, INSTR_E },
661 	{ "trap2", 0xff, INSTR_E },
662 	{ "", 0, INSTR_INVALID }
663 };
664 
665 static struct s390_insn opcode_a5[] = {
666 #ifdef CONFIG_64BIT
667 	{ "iihh", 0x00, INSTR_RI_RU },
668 	{ "iihl", 0x01, INSTR_RI_RU },
669 	{ "iilh", 0x02, INSTR_RI_RU },
670 	{ "iill", 0x03, INSTR_RI_RU },
671 	{ "nihh", 0x04, INSTR_RI_RU },
672 	{ "nihl", 0x05, INSTR_RI_RU },
673 	{ "nilh", 0x06, INSTR_RI_RU },
674 	{ "nill", 0x07, INSTR_RI_RU },
675 	{ "oihh", 0x08, INSTR_RI_RU },
676 	{ "oihl", 0x09, INSTR_RI_RU },
677 	{ "oilh", 0x0a, INSTR_RI_RU },
678 	{ "oill", 0x0b, INSTR_RI_RU },
679 	{ "llihh", 0x0c, INSTR_RI_RU },
680 	{ "llihl", 0x0d, INSTR_RI_RU },
681 	{ "llilh", 0x0e, INSTR_RI_RU },
682 	{ "llill", 0x0f, INSTR_RI_RU },
683 #endif
684 	{ "", 0, INSTR_INVALID }
685 };
686 
687 static struct s390_insn opcode_a7[] = {
688 #ifdef CONFIG_64BIT
689 	{ "tmhh", 0x02, INSTR_RI_RU },
690 	{ "tmhl", 0x03, INSTR_RI_RU },
691 	{ "brctg", 0x07, INSTR_RI_RP },
692 	{ "lghi", 0x09, INSTR_RI_RI },
693 	{ "aghi", 0x0b, INSTR_RI_RI },
694 	{ "mghi", 0x0d, INSTR_RI_RI },
695 	{ "cghi", 0x0f, INSTR_RI_RI },
696 #endif
697 	{ "tmlh", 0x00, INSTR_RI_RU },
698 	{ "tmll", 0x01, INSTR_RI_RU },
699 	{ "brc", 0x04, INSTR_RI_UP },
700 	{ "bras", 0x05, INSTR_RI_RP },
701 	{ "brct", 0x06, INSTR_RI_RP },
702 	{ "lhi", 0x08, INSTR_RI_RI },
703 	{ "ahi", 0x0a, INSTR_RI_RI },
704 	{ "mhi", 0x0c, INSTR_RI_RI },
705 	{ "chi", 0x0e, INSTR_RI_RI },
706 	{ "", 0, INSTR_INVALID }
707 };
708 
709 static struct s390_insn opcode_aa[] = {
710 #ifdef CONFIG_64BIT
711 	{ { 0, LONG_INSN_RINEXT }, 0x00, INSTR_RI_RI },
712 	{ "rion", 0x01, INSTR_RI_RI },
713 	{ "tric", 0x02, INSTR_RI_RI },
714 	{ "rioff", 0x03, INSTR_RI_RI },
715 	{ { 0, LONG_INSN_RIEMIT }, 0x04, INSTR_RI_RI },
716 #endif
717 	{ "", 0, INSTR_INVALID }
718 };
719 
720 static struct s390_insn opcode_b2[] = {
721 #ifdef CONFIG_64BIT
722 	{ "stckf", 0x7c, INSTR_S_RD },
723 	{ "lpp", 0x80, INSTR_S_RD },
724 	{ "lcctl", 0x84, INSTR_S_RD },
725 	{ "lpctl", 0x85, INSTR_S_RD },
726 	{ "qsi", 0x86, INSTR_S_RD },
727 	{ "lsctl", 0x87, INSTR_S_RD },
728 	{ "qctri", 0x8e, INSTR_S_RD },
729 	{ "stfle", 0xb0, INSTR_S_RD },
730 	{ "lpswe", 0xb2, INSTR_S_RD },
731 	{ "srnmb", 0xb8, INSTR_S_RD },
732 	{ "srnmt", 0xb9, INSTR_S_RD },
733 	{ "lfas", 0xbd, INSTR_S_RD },
734 	{ "scctr", 0xe0, INSTR_RRE_RR },
735 	{ "spctr", 0xe1, INSTR_RRE_RR },
736 	{ "ecctr", 0xe4, INSTR_RRE_RR },
737 	{ "epctr", 0xe5, INSTR_RRE_RR },
738 	{ "ppa", 0xe8, INSTR_RRF_U0RR },
739 	{ "etnd", 0xec, INSTR_RRE_R0 },
740 	{ "ecpga", 0xed, INSTR_RRE_RR },
741 	{ "tend", 0xf8, INSTR_S_00 },
742 	{ "niai", 0xfa, INSTR_IE_UU },
743 	{ { 0, LONG_INSN_TABORT }, 0xfc, INSTR_S_RD },
744 #endif
745 	{ "stidp", 0x02, INSTR_S_RD },
746 	{ "sck", 0x04, INSTR_S_RD },
747 	{ "stck", 0x05, INSTR_S_RD },
748 	{ "sckc", 0x06, INSTR_S_RD },
749 	{ "stckc", 0x07, INSTR_S_RD },
750 	{ "spt", 0x08, INSTR_S_RD },
751 	{ "stpt", 0x09, INSTR_S_RD },
752 	{ "spka", 0x0a, INSTR_S_RD },
753 	{ "ipk", 0x0b, INSTR_S_00 },
754 	{ "ptlb", 0x0d, INSTR_S_00 },
755 	{ "spx", 0x10, INSTR_S_RD },
756 	{ "stpx", 0x11, INSTR_S_RD },
757 	{ "stap", 0x12, INSTR_S_RD },
758 	{ "sie", 0x14, INSTR_S_RD },
759 	{ "pc", 0x18, INSTR_S_RD },
760 	{ "sac", 0x19, INSTR_S_RD },
761 	{ "cfc", 0x1a, INSTR_S_RD },
762 	{ "servc", 0x20, INSTR_RRE_RR },
763 	{ "ipte", 0x21, INSTR_RRE_RR },
764 	{ "ipm", 0x22, INSTR_RRE_R0 },
765 	{ "ivsk", 0x23, INSTR_RRE_RR },
766 	{ "iac", 0x24, INSTR_RRE_R0 },
767 	{ "ssar", 0x25, INSTR_RRE_R0 },
768 	{ "epar", 0x26, INSTR_RRE_R0 },
769 	{ "esar", 0x27, INSTR_RRE_R0 },
770 	{ "pt", 0x28, INSTR_RRE_RR },
771 	{ "iske", 0x29, INSTR_RRE_RR },
772 	{ "rrbe", 0x2a, INSTR_RRE_RR },
773 	{ "sske", 0x2b, INSTR_RRF_M0RR },
774 	{ "tb", 0x2c, INSTR_RRE_0R },
775 	{ "dxr", 0x2d, INSTR_RRE_FF },
776 	{ "pgin", 0x2e, INSTR_RRE_RR },
777 	{ "pgout", 0x2f, INSTR_RRE_RR },
778 	{ "csch", 0x30, INSTR_S_00 },
779 	{ "hsch", 0x31, INSTR_S_00 },
780 	{ "msch", 0x32, INSTR_S_RD },
781 	{ "ssch", 0x33, INSTR_S_RD },
782 	{ "stsch", 0x34, INSTR_S_RD },
783 	{ "tsch", 0x35, INSTR_S_RD },
784 	{ "tpi", 0x36, INSTR_S_RD },
785 	{ "sal", 0x37, INSTR_S_00 },
786 	{ "rsch", 0x38, INSTR_S_00 },
787 	{ "stcrw", 0x39, INSTR_S_RD },
788 	{ "stcps", 0x3a, INSTR_S_RD },
789 	{ "rchp", 0x3b, INSTR_S_00 },
790 	{ "schm", 0x3c, INSTR_S_00 },
791 	{ "bakr", 0x40, INSTR_RRE_RR },
792 	{ "cksm", 0x41, INSTR_RRE_RR },
793 	{ "sqdr", 0x44, INSTR_RRE_FF },
794 	{ "sqer", 0x45, INSTR_RRE_FF },
795 	{ "stura", 0x46, INSTR_RRE_RR },
796 	{ "msta", 0x47, INSTR_RRE_R0 },
797 	{ "palb", 0x48, INSTR_RRE_00 },
798 	{ "ereg", 0x49, INSTR_RRE_RR },
799 	{ "esta", 0x4a, INSTR_RRE_RR },
800 	{ "lura", 0x4b, INSTR_RRE_RR },
801 	{ "tar", 0x4c, INSTR_RRE_AR },
802 	{ "cpya", 0x4d, INSTR_RRE_AA },
803 	{ "sar", 0x4e, INSTR_RRE_AR },
804 	{ "ear", 0x4f, INSTR_RRE_RA },
805 	{ "csp", 0x50, INSTR_RRE_RR },
806 	{ "msr", 0x52, INSTR_RRE_RR },
807 	{ "mvpg", 0x54, INSTR_RRE_RR },
808 	{ "mvst", 0x55, INSTR_RRE_RR },
809 	{ "cuse", 0x57, INSTR_RRE_RR },
810 	{ "bsg", 0x58, INSTR_RRE_RR },
811 	{ "bsa", 0x5a, INSTR_RRE_RR },
812 	{ "clst", 0x5d, INSTR_RRE_RR },
813 	{ "srst", 0x5e, INSTR_RRE_RR },
814 	{ "cmpsc", 0x63, INSTR_RRE_RR },
815 	{ "siga", 0x74, INSTR_S_RD },
816 	{ "xsch", 0x76, INSTR_S_00 },
817 	{ "rp", 0x77, INSTR_S_RD },
818 	{ "stcke", 0x78, INSTR_S_RD },
819 	{ "sacf", 0x79, INSTR_S_RD },
820 	{ "stsi", 0x7d, INSTR_S_RD },
821 	{ "srnm", 0x99, INSTR_S_RD },
822 	{ "stfpc", 0x9c, INSTR_S_RD },
823 	{ "lfpc", 0x9d, INSTR_S_RD },
824 	{ "tre", 0xa5, INSTR_RRE_RR },
825 	{ "cuutf", 0xa6, INSTR_RRF_M0RR },
826 	{ "cutfu", 0xa7, INSTR_RRF_M0RR },
827 	{ "stfl", 0xb1, INSTR_S_RD },
828 	{ "trap4", 0xff, INSTR_S_RD },
829 	{ "", 0, INSTR_INVALID }
830 };
831 
832 static struct s390_insn opcode_b3[] = {
833 #ifdef CONFIG_64BIT
834 	{ "maylr", 0x38, INSTR_RRF_F0FF },
835 	{ "mylr", 0x39, INSTR_RRF_F0FF },
836 	{ "mayr", 0x3a, INSTR_RRF_F0FF },
837 	{ "myr", 0x3b, INSTR_RRF_F0FF },
838 	{ "mayhr", 0x3c, INSTR_RRF_F0FF },
839 	{ "myhr", 0x3d, INSTR_RRF_F0FF },
840 	{ "lpdfr", 0x70, INSTR_RRE_FF },
841 	{ "lndfr", 0x71, INSTR_RRE_FF },
842 	{ "cpsdr", 0x72, INSTR_RRF_F0FF2 },
843 	{ "lcdfr", 0x73, INSTR_RRE_FF },
844 	{ "sfasr", 0x85, INSTR_RRE_R0 },
845 	{ { 0, LONG_INSN_CELFBR }, 0x90, INSTR_RRF_UUFR },
846 	{ { 0, LONG_INSN_CDLFBR }, 0x91, INSTR_RRF_UUFR },
847 	{ { 0, LONG_INSN_CXLFBR }, 0x92, INSTR_RRF_UURF },
848 	{ { 0, LONG_INSN_CEFBRA }, 0x94, INSTR_RRF_UUFR },
849 	{ { 0, LONG_INSN_CDFBRA }, 0x95, INSTR_RRF_UUFR },
850 	{ { 0, LONG_INSN_CXFBRA }, 0x96, INSTR_RRF_UURF },
851 	{ { 0, LONG_INSN_CFEBRA }, 0x98, INSTR_RRF_UURF },
852 	{ { 0, LONG_INSN_CFDBRA }, 0x99, INSTR_RRF_UURF },
853 	{ { 0, LONG_INSN_CFXBRA }, 0x9a, INSTR_RRF_UUFR },
854 	{ { 0, LONG_INSN_CLFEBR }, 0x9c, INSTR_RRF_UURF },
855 	{ { 0, LONG_INSN_CLFDBR }, 0x9d, INSTR_RRF_UURF },
856 	{ { 0, LONG_INSN_CLFXBR }, 0x9e, INSTR_RRF_UUFR },
857 	{ { 0, LONG_INSN_CELGBR }, 0xa0, INSTR_RRF_UUFR },
858 	{ { 0, LONG_INSN_CDLGBR }, 0xa1, INSTR_RRF_UUFR },
859 	{ { 0, LONG_INSN_CXLGBR }, 0xa2, INSTR_RRF_UURF },
860 	{ { 0, LONG_INSN_CEGBRA }, 0xa4, INSTR_RRF_UUFR },
861 	{ { 0, LONG_INSN_CDGBRA }, 0xa5, INSTR_RRF_UUFR },
862 	{ { 0, LONG_INSN_CXGBRA }, 0xa6, INSTR_RRF_UURF },
863 	{ { 0, LONG_INSN_CGEBRA }, 0xa8, INSTR_RRF_UURF },
864 	{ { 0, LONG_INSN_CGDBRA }, 0xa9, INSTR_RRF_UURF },
865 	{ { 0, LONG_INSN_CGXBRA }, 0xaa, INSTR_RRF_UUFR },
866 	{ { 0, LONG_INSN_CLGEBR }, 0xac, INSTR_RRF_UURF },
867 	{ { 0, LONG_INSN_CLGDBR }, 0xad, INSTR_RRF_UURF },
868 	{ { 0, LONG_INSN_CLGXBR }, 0xae, INSTR_RRF_UUFR },
869 	{ "ldgr", 0xc1, INSTR_RRE_FR },
870 	{ "cegr", 0xc4, INSTR_RRE_FR },
871 	{ "cdgr", 0xc5, INSTR_RRE_FR },
872 	{ "cxgr", 0xc6, INSTR_RRE_FR },
873 	{ "cger", 0xc8, INSTR_RRF_U0RF },
874 	{ "cgdr", 0xc9, INSTR_RRF_U0RF },
875 	{ "cgxr", 0xca, INSTR_RRF_U0RF },
876 	{ "lgdr", 0xcd, INSTR_RRE_RF },
877 	{ "mdtra", 0xd0, INSTR_RRF_FUFF2 },
878 	{ "ddtra", 0xd1, INSTR_RRF_FUFF2 },
879 	{ "adtra", 0xd2, INSTR_RRF_FUFF2 },
880 	{ "sdtra", 0xd3, INSTR_RRF_FUFF2 },
881 	{ "ldetr", 0xd4, INSTR_RRF_0UFF },
882 	{ "ledtr", 0xd5, INSTR_RRF_UUFF },
883 	{ "ltdtr", 0xd6, INSTR_RRE_FF },
884 	{ "fidtr", 0xd7, INSTR_RRF_UUFF },
885 	{ "mxtra", 0xd8, INSTR_RRF_FUFF2 },
886 	{ "dxtra", 0xd9, INSTR_RRF_FUFF2 },
887 	{ "axtra", 0xda, INSTR_RRF_FUFF2 },
888 	{ "sxtra", 0xdb, INSTR_RRF_FUFF2 },
889 	{ "lxdtr", 0xdc, INSTR_RRF_0UFF },
890 	{ "ldxtr", 0xdd, INSTR_RRF_UUFF },
891 	{ "ltxtr", 0xde, INSTR_RRE_FF },
892 	{ "fixtr", 0xdf, INSTR_RRF_UUFF },
893 	{ "kdtr", 0xe0, INSTR_RRE_FF },
894 	{ { 0, LONG_INSN_CGDTRA }, 0xe1, INSTR_RRF_UURF },
895 	{ "cudtr", 0xe2, INSTR_RRE_RF },
896 	{ "csdtr", 0xe3, INSTR_RRE_RF },
897 	{ "cdtr", 0xe4, INSTR_RRE_FF },
898 	{ "eedtr", 0xe5, INSTR_RRE_RF },
899 	{ "esdtr", 0xe7, INSTR_RRE_RF },
900 	{ "kxtr", 0xe8, INSTR_RRE_FF },
901 	{ { 0, LONG_INSN_CGXTRA }, 0xe9, INSTR_RRF_UUFR },
902 	{ "cuxtr", 0xea, INSTR_RRE_RF },
903 	{ "csxtr", 0xeb, INSTR_RRE_RF },
904 	{ "cxtr", 0xec, INSTR_RRE_FF },
905 	{ "eextr", 0xed, INSTR_RRE_RF },
906 	{ "esxtr", 0xef, INSTR_RRE_RF },
907 	{ { 0, LONG_INSN_CDGTRA }, 0xf1, INSTR_RRF_UUFR },
908 	{ "cdutr", 0xf2, INSTR_RRE_FR },
909 	{ "cdstr", 0xf3, INSTR_RRE_FR },
910 	{ "cedtr", 0xf4, INSTR_RRE_FF },
911 	{ "qadtr", 0xf5, INSTR_RRF_FUFF },
912 	{ "iedtr", 0xf6, INSTR_RRF_F0FR },
913 	{ "rrdtr", 0xf7, INSTR_RRF_FFRU },
914 	{ { 0, LONG_INSN_CXGTRA }, 0xf9, INSTR_RRF_UURF },
915 	{ "cxutr", 0xfa, INSTR_RRE_FR },
916 	{ "cxstr", 0xfb, INSTR_RRE_FR },
917 	{ "cextr", 0xfc, INSTR_RRE_FF },
918 	{ "qaxtr", 0xfd, INSTR_RRF_FUFF },
919 	{ "iextr", 0xfe, INSTR_RRF_F0FR },
920 	{ "rrxtr", 0xff, INSTR_RRF_FFRU },
921 #endif
922 	{ "lpebr", 0x00, INSTR_RRE_FF },
923 	{ "lnebr", 0x01, INSTR_RRE_FF },
924 	{ "ltebr", 0x02, INSTR_RRE_FF },
925 	{ "lcebr", 0x03, INSTR_RRE_FF },
926 	{ "ldebr", 0x04, INSTR_RRE_FF },
927 	{ "lxdbr", 0x05, INSTR_RRE_FF },
928 	{ "lxebr", 0x06, INSTR_RRE_FF },
929 	{ "mxdbr", 0x07, INSTR_RRE_FF },
930 	{ "kebr", 0x08, INSTR_RRE_FF },
931 	{ "cebr", 0x09, INSTR_RRE_FF },
932 	{ "aebr", 0x0a, INSTR_RRE_FF },
933 	{ "sebr", 0x0b, INSTR_RRE_FF },
934 	{ "mdebr", 0x0c, INSTR_RRE_FF },
935 	{ "debr", 0x0d, INSTR_RRE_FF },
936 	{ "maebr", 0x0e, INSTR_RRF_F0FF },
937 	{ "msebr", 0x0f, INSTR_RRF_F0FF },
938 	{ "lpdbr", 0x10, INSTR_RRE_FF },
939 	{ "lndbr", 0x11, INSTR_RRE_FF },
940 	{ "ltdbr", 0x12, INSTR_RRE_FF },
941 	{ "lcdbr", 0x13, INSTR_RRE_FF },
942 	{ "sqebr", 0x14, INSTR_RRE_FF },
943 	{ "sqdbr", 0x15, INSTR_RRE_FF },
944 	{ "sqxbr", 0x16, INSTR_RRE_FF },
945 	{ "meebr", 0x17, INSTR_RRE_FF },
946 	{ "kdbr", 0x18, INSTR_RRE_FF },
947 	{ "cdbr", 0x19, INSTR_RRE_FF },
948 	{ "adbr", 0x1a, INSTR_RRE_FF },
949 	{ "sdbr", 0x1b, INSTR_RRE_FF },
950 	{ "mdbr", 0x1c, INSTR_RRE_FF },
951 	{ "ddbr", 0x1d, INSTR_RRE_FF },
952 	{ "madbr", 0x1e, INSTR_RRF_F0FF },
953 	{ "msdbr", 0x1f, INSTR_RRF_F0FF },
954 	{ "lder", 0x24, INSTR_RRE_FF },
955 	{ "lxdr", 0x25, INSTR_RRE_FF },
956 	{ "lxer", 0x26, INSTR_RRE_FF },
957 	{ "maer", 0x2e, INSTR_RRF_F0FF },
958 	{ "mser", 0x2f, INSTR_RRF_F0FF },
959 	{ "sqxr", 0x36, INSTR_RRE_FF },
960 	{ "meer", 0x37, INSTR_RRE_FF },
961 	{ "madr", 0x3e, INSTR_RRF_F0FF },
962 	{ "msdr", 0x3f, INSTR_RRF_F0FF },
963 	{ "lpxbr", 0x40, INSTR_RRE_FF },
964 	{ "lnxbr", 0x41, INSTR_RRE_FF },
965 	{ "ltxbr", 0x42, INSTR_RRE_FF },
966 	{ "lcxbr", 0x43, INSTR_RRE_FF },
967 	{ { 0, LONG_INSN_LEDBRA }, 0x44, INSTR_RRF_UUFF },
968 	{ { 0, LONG_INSN_LDXBRA }, 0x45, INSTR_RRF_UUFF },
969 	{ { 0, LONG_INSN_LEXBRA }, 0x46, INSTR_RRF_UUFF },
970 	{ { 0, LONG_INSN_FIXBRA }, 0x47, INSTR_RRF_UUFF },
971 	{ "kxbr", 0x48, INSTR_RRE_FF },
972 	{ "cxbr", 0x49, INSTR_RRE_FF },
973 	{ "axbr", 0x4a, INSTR_RRE_FF },
974 	{ "sxbr", 0x4b, INSTR_RRE_FF },
975 	{ "mxbr", 0x4c, INSTR_RRE_FF },
976 	{ "dxbr", 0x4d, INSTR_RRE_FF },
977 	{ "tbedr", 0x50, INSTR_RRF_U0FF },
978 	{ "tbdr", 0x51, INSTR_RRF_U0FF },
979 	{ "diebr", 0x53, INSTR_RRF_FUFF },
980 	{ { 0, LONG_INSN_FIEBRA }, 0x57, INSTR_RRF_UUFF },
981 	{ "thder", 0x58, INSTR_RRE_FF },
982 	{ "thdr", 0x59, INSTR_RRE_FF },
983 	{ "didbr", 0x5b, INSTR_RRF_FUFF },
984 	{ { 0, LONG_INSN_FIDBRA }, 0x5f, INSTR_RRF_UUFF },
985 	{ "lpxr", 0x60, INSTR_RRE_FF },
986 	{ "lnxr", 0x61, INSTR_RRE_FF },
987 	{ "ltxr", 0x62, INSTR_RRE_FF },
988 	{ "lcxr", 0x63, INSTR_RRE_FF },
989 	{ "lxr", 0x65, INSTR_RRE_FF },
990 	{ "lexr", 0x66, INSTR_RRE_FF },
991 	{ "fixr", 0x67, INSTR_RRE_FF },
992 	{ "cxr", 0x69, INSTR_RRE_FF },
993 	{ "lzer", 0x74, INSTR_RRE_F0 },
994 	{ "lzdr", 0x75, INSTR_RRE_F0 },
995 	{ "lzxr", 0x76, INSTR_RRE_F0 },
996 	{ "fier", 0x77, INSTR_RRE_FF },
997 	{ "fidr", 0x7f, INSTR_RRE_FF },
998 	{ "sfpc", 0x84, INSTR_RRE_RR_OPT },
999 	{ "efpc", 0x8c, INSTR_RRE_RR_OPT },
1000 	{ "cefbr", 0x94, INSTR_RRE_RF },
1001 	{ "cdfbr", 0x95, INSTR_RRE_RF },
1002 	{ "cxfbr", 0x96, INSTR_RRE_RF },
1003 	{ "cfebr", 0x98, INSTR_RRF_U0RF },
1004 	{ "cfdbr", 0x99, INSTR_RRF_U0RF },
1005 	{ "cfxbr", 0x9a, INSTR_RRF_U0RF },
1006 	{ "cefr", 0xb4, INSTR_RRE_FR },
1007 	{ "cdfr", 0xb5, INSTR_RRE_FR },
1008 	{ "cxfr", 0xb6, INSTR_RRE_FR },
1009 	{ "cfer", 0xb8, INSTR_RRF_U0RF },
1010 	{ "cfdr", 0xb9, INSTR_RRF_U0RF },
1011 	{ "cfxr", 0xba, INSTR_RRF_U0RF },
1012 	{ "", 0, INSTR_INVALID }
1013 };
1014 
1015 static struct s390_insn opcode_b9[] = {
1016 #ifdef CONFIG_64BIT
1017 	{ "lpgr", 0x00, INSTR_RRE_RR },
1018 	{ "lngr", 0x01, INSTR_RRE_RR },
1019 	{ "ltgr", 0x02, INSTR_RRE_RR },
1020 	{ "lcgr", 0x03, INSTR_RRE_RR },
1021 	{ "lgr", 0x04, INSTR_RRE_RR },
1022 	{ "lurag", 0x05, INSTR_RRE_RR },
1023 	{ "lgbr", 0x06, INSTR_RRE_RR },
1024 	{ "lghr", 0x07, INSTR_RRE_RR },
1025 	{ "agr", 0x08, INSTR_RRE_RR },
1026 	{ "sgr", 0x09, INSTR_RRE_RR },
1027 	{ "algr", 0x0a, INSTR_RRE_RR },
1028 	{ "slgr", 0x0b, INSTR_RRE_RR },
1029 	{ "msgr", 0x0c, INSTR_RRE_RR },
1030 	{ "dsgr", 0x0d, INSTR_RRE_RR },
1031 	{ "eregg", 0x0e, INSTR_RRE_RR },
1032 	{ "lrvgr", 0x0f, INSTR_RRE_RR },
1033 	{ "lpgfr", 0x10, INSTR_RRE_RR },
1034 	{ "lngfr", 0x11, INSTR_RRE_RR },
1035 	{ "ltgfr", 0x12, INSTR_RRE_RR },
1036 	{ "lcgfr", 0x13, INSTR_RRE_RR },
1037 	{ "lgfr", 0x14, INSTR_RRE_RR },
1038 	{ "llgfr", 0x16, INSTR_RRE_RR },
1039 	{ "llgtr", 0x17, INSTR_RRE_RR },
1040 	{ "agfr", 0x18, INSTR_RRE_RR },
1041 	{ "sgfr", 0x19, INSTR_RRE_RR },
1042 	{ "algfr", 0x1a, INSTR_RRE_RR },
1043 	{ "slgfr", 0x1b, INSTR_RRE_RR },
1044 	{ "msgfr", 0x1c, INSTR_RRE_RR },
1045 	{ "dsgfr", 0x1d, INSTR_RRE_RR },
1046 	{ "cgr", 0x20, INSTR_RRE_RR },
1047 	{ "clgr", 0x21, INSTR_RRE_RR },
1048 	{ "sturg", 0x25, INSTR_RRE_RR },
1049 	{ "lbr", 0x26, INSTR_RRE_RR },
1050 	{ "lhr", 0x27, INSTR_RRE_RR },
1051 	{ "cgfr", 0x30, INSTR_RRE_RR },
1052 	{ "clgfr", 0x31, INSTR_RRE_RR },
1053 	{ "cfdtr", 0x41, INSTR_RRF_UURF },
1054 	{ { 0, LONG_INSN_CLGDTR }, 0x42, INSTR_RRF_UURF },
1055 	{ { 0, LONG_INSN_CLFDTR }, 0x43, INSTR_RRF_UURF },
1056 	{ "bctgr", 0x46, INSTR_RRE_RR },
1057 	{ "cfxtr", 0x49, INSTR_RRF_UURF },
1058 	{ { 0, LONG_INSN_CLGXTR }, 0x4a, INSTR_RRF_UUFR },
1059 	{ { 0, LONG_INSN_CLFXTR }, 0x4b, INSTR_RRF_UUFR },
1060 	{ "cdftr", 0x51, INSTR_RRF_UUFR },
1061 	{ { 0, LONG_INSN_CDLGTR }, 0x52, INSTR_RRF_UUFR },
1062 	{ { 0, LONG_INSN_CDLFTR }, 0x53, INSTR_RRF_UUFR },
1063 	{ "cxftr", 0x59, INSTR_RRF_UURF },
1064 	{ { 0, LONG_INSN_CXLGTR }, 0x5a, INSTR_RRF_UURF },
1065 	{ { 0, LONG_INSN_CXLFTR }, 0x5b, INSTR_RRF_UUFR },
1066 	{ "cgrt", 0x60, INSTR_RRF_U0RR },
1067 	{ "clgrt", 0x61, INSTR_RRF_U0RR },
1068 	{ "crt", 0x72, INSTR_RRF_U0RR },
1069 	{ "clrt", 0x73, INSTR_RRF_U0RR },
1070 	{ "ngr", 0x80, INSTR_RRE_RR },
1071 	{ "ogr", 0x81, INSTR_RRE_RR },
1072 	{ "xgr", 0x82, INSTR_RRE_RR },
1073 	{ "flogr", 0x83, INSTR_RRE_RR },
1074 	{ "llgcr", 0x84, INSTR_RRE_RR },
1075 	{ "llghr", 0x85, INSTR_RRE_RR },
1076 	{ "mlgr", 0x86, INSTR_RRE_RR },
1077 	{ "dlgr", 0x87, INSTR_RRE_RR },
1078 	{ "alcgr", 0x88, INSTR_RRE_RR },
1079 	{ "slbgr", 0x89, INSTR_RRE_RR },
1080 	{ "cspg", 0x8a, INSTR_RRE_RR },
1081 	{ "idte", 0x8e, INSTR_RRF_R0RR },
1082 	{ "crdte", 0x8f, INSTR_RRF_RMRR },
1083 	{ "llcr", 0x94, INSTR_RRE_RR },
1084 	{ "llhr", 0x95, INSTR_RRE_RR },
1085 	{ "esea", 0x9d, INSTR_RRE_R0 },
1086 	{ "ptf", 0xa2, INSTR_RRE_R0 },
1087 	{ "lptea", 0xaa, INSTR_RRF_RURR },
1088 	{ "rrbm", 0xae, INSTR_RRE_RR },
1089 	{ "pfmf", 0xaf, INSTR_RRE_RR },
1090 	{ "cu14", 0xb0, INSTR_RRF_M0RR },
1091 	{ "cu24", 0xb1, INSTR_RRF_M0RR },
1092 	{ "cu41", 0xb2, INSTR_RRE_RR },
1093 	{ "cu42", 0xb3, INSTR_RRE_RR },
1094 	{ "trtre", 0xbd, INSTR_RRF_M0RR },
1095 	{ "srstu", 0xbe, INSTR_RRE_RR },
1096 	{ "trte", 0xbf, INSTR_RRF_M0RR },
1097 	{ "ahhhr", 0xc8, INSTR_RRF_R0RR2 },
1098 	{ "shhhr", 0xc9, INSTR_RRF_R0RR2 },
1099 	{ { 0, LONG_INSN_ALHHHR }, 0xca, INSTR_RRF_R0RR2 },
1100 	{ { 0, LONG_INSN_SLHHHR }, 0xcb, INSTR_RRF_R0RR2 },
1101 	{ "chhr", 0xcd, INSTR_RRE_RR },
1102 	{ "clhhr", 0xcf, INSTR_RRE_RR },
1103 	{ { 0, LONG_INSN_PCISTG }, 0xd0, INSTR_RRE_RR },
1104 	{ "pcilg", 0xd2, INSTR_RRE_RR },
1105 	{ "rpcit", 0xd3, INSTR_RRE_RR },
1106 	{ "ahhlr", 0xd8, INSTR_RRF_R0RR2 },
1107 	{ "shhlr", 0xd9, INSTR_RRF_R0RR2 },
1108 	{ { 0, LONG_INSN_ALHHLR }, 0xda, INSTR_RRF_R0RR2 },
1109 	{ { 0, LONG_INSN_SLHHLR }, 0xdb, INSTR_RRF_R0RR2 },
1110 	{ "chlr", 0xdd, INSTR_RRE_RR },
1111 	{ "clhlr", 0xdf, INSTR_RRE_RR },
1112 	{ { 0, LONG_INSN_POPCNT }, 0xe1, INSTR_RRE_RR },
1113 	{ "locgr", 0xe2, INSTR_RRF_M0RR },
1114 	{ "ngrk", 0xe4, INSTR_RRF_R0RR2 },
1115 	{ "ogrk", 0xe6, INSTR_RRF_R0RR2 },
1116 	{ "xgrk", 0xe7, INSTR_RRF_R0RR2 },
1117 	{ "agrk", 0xe8, INSTR_RRF_R0RR2 },
1118 	{ "sgrk", 0xe9, INSTR_RRF_R0RR2 },
1119 	{ "algrk", 0xea, INSTR_RRF_R0RR2 },
1120 	{ "slgrk", 0xeb, INSTR_RRF_R0RR2 },
1121 	{ "locr", 0xf2, INSTR_RRF_M0RR },
1122 	{ "nrk", 0xf4, INSTR_RRF_R0RR2 },
1123 	{ "ork", 0xf6, INSTR_RRF_R0RR2 },
1124 	{ "xrk", 0xf7, INSTR_RRF_R0RR2 },
1125 	{ "ark", 0xf8, INSTR_RRF_R0RR2 },
1126 	{ "srk", 0xf9, INSTR_RRF_R0RR2 },
1127 	{ "alrk", 0xfa, INSTR_RRF_R0RR2 },
1128 	{ "slrk", 0xfb, INSTR_RRF_R0RR2 },
1129 #endif
1130 	{ "kmac", 0x1e, INSTR_RRE_RR },
1131 	{ "lrvr", 0x1f, INSTR_RRE_RR },
1132 	{ "km", 0x2e, INSTR_RRE_RR },
1133 	{ "kmc", 0x2f, INSTR_RRE_RR },
1134 	{ "kimd", 0x3e, INSTR_RRE_RR },
1135 	{ "klmd", 0x3f, INSTR_RRE_RR },
1136 	{ "epsw", 0x8d, INSTR_RRE_RR },
1137 	{ "trtt", 0x90, INSTR_RRF_M0RR },
1138 	{ "trto", 0x91, INSTR_RRF_M0RR },
1139 	{ "trot", 0x92, INSTR_RRF_M0RR },
1140 	{ "troo", 0x93, INSTR_RRF_M0RR },
1141 	{ "mlr", 0x96, INSTR_RRE_RR },
1142 	{ "dlr", 0x97, INSTR_RRE_RR },
1143 	{ "alcr", 0x98, INSTR_RRE_RR },
1144 	{ "slbr", 0x99, INSTR_RRE_RR },
1145 	{ "", 0, INSTR_INVALID }
1146 };
1147 
1148 static struct s390_insn opcode_c0[] = {
1149 #ifdef CONFIG_64BIT
1150 	{ "lgfi", 0x01, INSTR_RIL_RI },
1151 	{ "xihf", 0x06, INSTR_RIL_RU },
1152 	{ "xilf", 0x07, INSTR_RIL_RU },
1153 	{ "iihf", 0x08, INSTR_RIL_RU },
1154 	{ "iilf", 0x09, INSTR_RIL_RU },
1155 	{ "nihf", 0x0a, INSTR_RIL_RU },
1156 	{ "nilf", 0x0b, INSTR_RIL_RU },
1157 	{ "oihf", 0x0c, INSTR_RIL_RU },
1158 	{ "oilf", 0x0d, INSTR_RIL_RU },
1159 	{ "llihf", 0x0e, INSTR_RIL_RU },
1160 	{ "llilf", 0x0f, INSTR_RIL_RU },
1161 #endif
1162 	{ "larl", 0x00, INSTR_RIL_RP },
1163 	{ "brcl", 0x04, INSTR_RIL_UP },
1164 	{ "brasl", 0x05, INSTR_RIL_RP },
1165 	{ "", 0, INSTR_INVALID }
1166 };
1167 
1168 static struct s390_insn opcode_c2[] = {
1169 #ifdef CONFIG_64BIT
1170 	{ "msgfi", 0x00, INSTR_RIL_RI },
1171 	{ "msfi", 0x01, INSTR_RIL_RI },
1172 	{ "slgfi", 0x04, INSTR_RIL_RU },
1173 	{ "slfi", 0x05, INSTR_RIL_RU },
1174 	{ "agfi", 0x08, INSTR_RIL_RI },
1175 	{ "afi", 0x09, INSTR_RIL_RI },
1176 	{ "algfi", 0x0a, INSTR_RIL_RU },
1177 	{ "alfi", 0x0b, INSTR_RIL_RU },
1178 	{ "cgfi", 0x0c, INSTR_RIL_RI },
1179 	{ "cfi", 0x0d, INSTR_RIL_RI },
1180 	{ "clgfi", 0x0e, INSTR_RIL_RU },
1181 	{ "clfi", 0x0f, INSTR_RIL_RU },
1182 #endif
1183 	{ "", 0, INSTR_INVALID }
1184 };
1185 
1186 static struct s390_insn opcode_c4[] = {
1187 #ifdef CONFIG_64BIT
1188 	{ "llhrl", 0x02, INSTR_RIL_RP },
1189 	{ "lghrl", 0x04, INSTR_RIL_RP },
1190 	{ "lhrl", 0x05, INSTR_RIL_RP },
1191 	{ { 0, LONG_INSN_LLGHRL }, 0x06, INSTR_RIL_RP },
1192 	{ "sthrl", 0x07, INSTR_RIL_RP },
1193 	{ "lgrl", 0x08, INSTR_RIL_RP },
1194 	{ "stgrl", 0x0b, INSTR_RIL_RP },
1195 	{ "lgfrl", 0x0c, INSTR_RIL_RP },
1196 	{ "lrl", 0x0d, INSTR_RIL_RP },
1197 	{ { 0, LONG_INSN_LLGFRL }, 0x0e, INSTR_RIL_RP },
1198 	{ "strl", 0x0f, INSTR_RIL_RP },
1199 #endif
1200 	{ "", 0, INSTR_INVALID }
1201 };
1202 
1203 static struct s390_insn opcode_c6[] = {
1204 #ifdef CONFIG_64BIT
1205 	{ "exrl", 0x00, INSTR_RIL_RP },
1206 	{ "pfdrl", 0x02, INSTR_RIL_UP },
1207 	{ "cghrl", 0x04, INSTR_RIL_RP },
1208 	{ "chrl", 0x05, INSTR_RIL_RP },
1209 	{ { 0, LONG_INSN_CLGHRL }, 0x06, INSTR_RIL_RP },
1210 	{ "clhrl", 0x07, INSTR_RIL_RP },
1211 	{ "cgrl", 0x08, INSTR_RIL_RP },
1212 	{ "clgrl", 0x0a, INSTR_RIL_RP },
1213 	{ "cgfrl", 0x0c, INSTR_RIL_RP },
1214 	{ "crl", 0x0d, INSTR_RIL_RP },
1215 	{ { 0, LONG_INSN_CLGFRL }, 0x0e, INSTR_RIL_RP },
1216 	{ "clrl", 0x0f, INSTR_RIL_RP },
1217 #endif
1218 	{ "", 0, INSTR_INVALID }
1219 };
1220 
1221 static struct s390_insn opcode_c8[] = {
1222 #ifdef CONFIG_64BIT
1223 	{ "mvcos", 0x00, INSTR_SSF_RRDRD },
1224 	{ "ectg", 0x01, INSTR_SSF_RRDRD },
1225 	{ "csst", 0x02, INSTR_SSF_RRDRD },
1226 	{ "lpd", 0x04, INSTR_SSF_RRDRD2 },
1227 	{ "lpdg", 0x05, INSTR_SSF_RRDRD2 },
1228 #endif
1229 	{ "", 0, INSTR_INVALID }
1230 };
1231 
1232 static struct s390_insn opcode_cc[] = {
1233 #ifdef CONFIG_64BIT
1234 	{ "brcth", 0x06, INSTR_RIL_RP },
1235 	{ "aih", 0x08, INSTR_RIL_RI },
1236 	{ "alsih", 0x0a, INSTR_RIL_RI },
1237 	{ { 0, LONG_INSN_ALSIHN }, 0x0b, INSTR_RIL_RI },
1238 	{ "cih", 0x0d, INSTR_RIL_RI },
1239 	{ "clih", 0x0f, INSTR_RIL_RI },
1240 #endif
1241 	{ "", 0, INSTR_INVALID }
1242 };
1243 
1244 static struct s390_insn opcode_e3[] = {
1245 #ifdef CONFIG_64BIT
1246 	{ "ltg", 0x02, INSTR_RXY_RRRD },
1247 	{ "lrag", 0x03, INSTR_RXY_RRRD },
1248 	{ "lg", 0x04, INSTR_RXY_RRRD },
1249 	{ "cvby", 0x06, INSTR_RXY_RRRD },
1250 	{ "ag", 0x08, INSTR_RXY_RRRD },
1251 	{ "sg", 0x09, INSTR_RXY_RRRD },
1252 	{ "alg", 0x0a, INSTR_RXY_RRRD },
1253 	{ "slg", 0x0b, INSTR_RXY_RRRD },
1254 	{ "msg", 0x0c, INSTR_RXY_RRRD },
1255 	{ "dsg", 0x0d, INSTR_RXY_RRRD },
1256 	{ "cvbg", 0x0e, INSTR_RXY_RRRD },
1257 	{ "lrvg", 0x0f, INSTR_RXY_RRRD },
1258 	{ "lt", 0x12, INSTR_RXY_RRRD },
1259 	{ "lray", 0x13, INSTR_RXY_RRRD },
1260 	{ "lgf", 0x14, INSTR_RXY_RRRD },
1261 	{ "lgh", 0x15, INSTR_RXY_RRRD },
1262 	{ "llgf", 0x16, INSTR_RXY_RRRD },
1263 	{ "llgt", 0x17, INSTR_RXY_RRRD },
1264 	{ "agf", 0x18, INSTR_RXY_RRRD },
1265 	{ "sgf", 0x19, INSTR_RXY_RRRD },
1266 	{ "algf", 0x1a, INSTR_RXY_RRRD },
1267 	{ "slgf", 0x1b, INSTR_RXY_RRRD },
1268 	{ "msgf", 0x1c, INSTR_RXY_RRRD },
1269 	{ "dsgf", 0x1d, INSTR_RXY_RRRD },
1270 	{ "cg", 0x20, INSTR_RXY_RRRD },
1271 	{ "clg", 0x21, INSTR_RXY_RRRD },
1272 	{ "stg", 0x24, INSTR_RXY_RRRD },
1273 	{ "ntstg", 0x25, INSTR_RXY_RRRD },
1274 	{ "cvdy", 0x26, INSTR_RXY_RRRD },
1275 	{ "cvdg", 0x2e, INSTR_RXY_RRRD },
1276 	{ "strvg", 0x2f, INSTR_RXY_RRRD },
1277 	{ "cgf", 0x30, INSTR_RXY_RRRD },
1278 	{ "clgf", 0x31, INSTR_RXY_RRRD },
1279 	{ "ltgf", 0x32, INSTR_RXY_RRRD },
1280 	{ "cgh", 0x34, INSTR_RXY_RRRD },
1281 	{ "pfd", 0x36, INSTR_RXY_URRD },
1282 	{ "strvh", 0x3f, INSTR_RXY_RRRD },
1283 	{ "bctg", 0x46, INSTR_RXY_RRRD },
1284 	{ "sty", 0x50, INSTR_RXY_RRRD },
1285 	{ "msy", 0x51, INSTR_RXY_RRRD },
1286 	{ "ny", 0x54, INSTR_RXY_RRRD },
1287 	{ "cly", 0x55, INSTR_RXY_RRRD },
1288 	{ "oy", 0x56, INSTR_RXY_RRRD },
1289 	{ "xy", 0x57, INSTR_RXY_RRRD },
1290 	{ "ly", 0x58, INSTR_RXY_RRRD },
1291 	{ "cy", 0x59, INSTR_RXY_RRRD },
1292 	{ "ay", 0x5a, INSTR_RXY_RRRD },
1293 	{ "sy", 0x5b, INSTR_RXY_RRRD },
1294 	{ "mfy", 0x5c, INSTR_RXY_RRRD },
1295 	{ "aly", 0x5e, INSTR_RXY_RRRD },
1296 	{ "sly", 0x5f, INSTR_RXY_RRRD },
1297 	{ "sthy", 0x70, INSTR_RXY_RRRD },
1298 	{ "lay", 0x71, INSTR_RXY_RRRD },
1299 	{ "stcy", 0x72, INSTR_RXY_RRRD },
1300 	{ "icy", 0x73, INSTR_RXY_RRRD },
1301 	{ "laey", 0x75, INSTR_RXY_RRRD },
1302 	{ "lb", 0x76, INSTR_RXY_RRRD },
1303 	{ "lgb", 0x77, INSTR_RXY_RRRD },
1304 	{ "lhy", 0x78, INSTR_RXY_RRRD },
1305 	{ "chy", 0x79, INSTR_RXY_RRRD },
1306 	{ "ahy", 0x7a, INSTR_RXY_RRRD },
1307 	{ "shy", 0x7b, INSTR_RXY_RRRD },
1308 	{ "mhy", 0x7c, INSTR_RXY_RRRD },
1309 	{ "ng", 0x80, INSTR_RXY_RRRD },
1310 	{ "og", 0x81, INSTR_RXY_RRRD },
1311 	{ "xg", 0x82, INSTR_RXY_RRRD },
1312 	{ "lgat", 0x85, INSTR_RXY_RRRD },
1313 	{ "mlg", 0x86, INSTR_RXY_RRRD },
1314 	{ "dlg", 0x87, INSTR_RXY_RRRD },
1315 	{ "alcg", 0x88, INSTR_RXY_RRRD },
1316 	{ "slbg", 0x89, INSTR_RXY_RRRD },
1317 	{ "stpq", 0x8e, INSTR_RXY_RRRD },
1318 	{ "lpq", 0x8f, INSTR_RXY_RRRD },
1319 	{ "llgc", 0x90, INSTR_RXY_RRRD },
1320 	{ "llgh", 0x91, INSTR_RXY_RRRD },
1321 	{ "llc", 0x94, INSTR_RXY_RRRD },
1322 	{ "llh", 0x95, INSTR_RXY_RRRD },
1323 	{ { 0, LONG_INSN_LLGTAT }, 0x9c, INSTR_RXY_RRRD },
1324 	{ { 0, LONG_INSN_LLGFAT }, 0x9d, INSTR_RXY_RRRD },
1325 	{ "lat", 0x9f, INSTR_RXY_RRRD },
1326 	{ "lbh", 0xc0, INSTR_RXY_RRRD },
1327 	{ "llch", 0xc2, INSTR_RXY_RRRD },
1328 	{ "stch", 0xc3, INSTR_RXY_RRRD },
1329 	{ "lhh", 0xc4, INSTR_RXY_RRRD },
1330 	{ "llhh", 0xc6, INSTR_RXY_RRRD },
1331 	{ "sthh", 0xc7, INSTR_RXY_RRRD },
1332 	{ "lfhat", 0xc8, INSTR_RXY_RRRD },
1333 	{ "lfh", 0xca, INSTR_RXY_RRRD },
1334 	{ "stfh", 0xcb, INSTR_RXY_RRRD },
1335 	{ "chf", 0xcd, INSTR_RXY_RRRD },
1336 	{ "clhf", 0xcf, INSTR_RXY_RRRD },
1337 	{ { 0, LONG_INSN_MPCIFC }, 0xd0, INSTR_RXY_RRRD },
1338 	{ { 0, LONG_INSN_STPCIFC }, 0xd4, INSTR_RXY_RRRD },
1339 #endif
1340 	{ "lrv", 0x1e, INSTR_RXY_RRRD },
1341 	{ "lrvh", 0x1f, INSTR_RXY_RRRD },
1342 	{ "strv", 0x3e, INSTR_RXY_RRRD },
1343 	{ "ml", 0x96, INSTR_RXY_RRRD },
1344 	{ "dl", 0x97, INSTR_RXY_RRRD },
1345 	{ "alc", 0x98, INSTR_RXY_RRRD },
1346 	{ "slb", 0x99, INSTR_RXY_RRRD },
1347 	{ "", 0, INSTR_INVALID }
1348 };
1349 
1350 static struct s390_insn opcode_e5[] = {
1351 #ifdef CONFIG_64BIT
1352 	{ "strag", 0x02, INSTR_SSE_RDRD },
1353 	{ "mvhhi", 0x44, INSTR_SIL_RDI },
1354 	{ "mvghi", 0x48, INSTR_SIL_RDI },
1355 	{ "mvhi", 0x4c, INSTR_SIL_RDI },
1356 	{ "chhsi", 0x54, INSTR_SIL_RDI },
1357 	{ { 0, LONG_INSN_CLHHSI }, 0x55, INSTR_SIL_RDU },
1358 	{ "cghsi", 0x58, INSTR_SIL_RDI },
1359 	{ { 0, LONG_INSN_CLGHSI }, 0x59, INSTR_SIL_RDU },
1360 	{ "chsi", 0x5c, INSTR_SIL_RDI },
1361 	{ { 0, LONG_INSN_CLFHSI }, 0x5d, INSTR_SIL_RDU },
1362 	{ { 0, LONG_INSN_TBEGIN }, 0x60, INSTR_SIL_RDU },
1363 	{ { 0, LONG_INSN_TBEGINC }, 0x61, INSTR_SIL_RDU },
1364 #endif
1365 	{ "lasp", 0x00, INSTR_SSE_RDRD },
1366 	{ "tprot", 0x01, INSTR_SSE_RDRD },
1367 	{ "mvcsk", 0x0e, INSTR_SSE_RDRD },
1368 	{ "mvcdk", 0x0f, INSTR_SSE_RDRD },
1369 	{ "", 0, INSTR_INVALID }
1370 };
1371 
1372 static struct s390_insn opcode_eb[] = {
1373 #ifdef CONFIG_64BIT
1374 	{ "lmg", 0x04, INSTR_RSY_RRRD },
1375 	{ "srag", 0x0a, INSTR_RSY_RRRD },
1376 	{ "slag", 0x0b, INSTR_RSY_RRRD },
1377 	{ "srlg", 0x0c, INSTR_RSY_RRRD },
1378 	{ "sllg", 0x0d, INSTR_RSY_RRRD },
1379 	{ "tracg", 0x0f, INSTR_RSY_RRRD },
1380 	{ "csy", 0x14, INSTR_RSY_RRRD },
1381 	{ "rllg", 0x1c, INSTR_RSY_RRRD },
1382 	{ "clmh", 0x20, INSTR_RSY_RURD },
1383 	{ "clmy", 0x21, INSTR_RSY_RURD },
1384 	{ "clt", 0x23, INSTR_RSY_RURD },
1385 	{ "stmg", 0x24, INSTR_RSY_RRRD },
1386 	{ "stctg", 0x25, INSTR_RSY_CCRD },
1387 	{ "stmh", 0x26, INSTR_RSY_RRRD },
1388 	{ "clgt", 0x2b, INSTR_RSY_RURD },
1389 	{ "stcmh", 0x2c, INSTR_RSY_RURD },
1390 	{ "stcmy", 0x2d, INSTR_RSY_RURD },
1391 	{ "lctlg", 0x2f, INSTR_RSY_CCRD },
1392 	{ "csg", 0x30, INSTR_RSY_RRRD },
1393 	{ "cdsy", 0x31, INSTR_RSY_RRRD },
1394 	{ "cdsg", 0x3e, INSTR_RSY_RRRD },
1395 	{ "bxhg", 0x44, INSTR_RSY_RRRD },
1396 	{ "bxleg", 0x45, INSTR_RSY_RRRD },
1397 	{ "ecag", 0x4c, INSTR_RSY_RRRD },
1398 	{ "tmy", 0x51, INSTR_SIY_URD },
1399 	{ "mviy", 0x52, INSTR_SIY_URD },
1400 	{ "niy", 0x54, INSTR_SIY_URD },
1401 	{ "cliy", 0x55, INSTR_SIY_URD },
1402 	{ "oiy", 0x56, INSTR_SIY_URD },
1403 	{ "xiy", 0x57, INSTR_SIY_URD },
1404 	{ "asi", 0x6a, INSTR_SIY_IRD },
1405 	{ "alsi", 0x6e, INSTR_SIY_IRD },
1406 	{ "agsi", 0x7a, INSTR_SIY_IRD },
1407 	{ "algsi", 0x7e, INSTR_SIY_IRD },
1408 	{ "icmh", 0x80, INSTR_RSY_RURD },
1409 	{ "icmy", 0x81, INSTR_RSY_RURD },
1410 	{ "clclu", 0x8f, INSTR_RSY_RRRD },
1411 	{ "stmy", 0x90, INSTR_RSY_RRRD },
1412 	{ "lmh", 0x96, INSTR_RSY_RRRD },
1413 	{ "lmy", 0x98, INSTR_RSY_RRRD },
1414 	{ "lamy", 0x9a, INSTR_RSY_AARD },
1415 	{ "stamy", 0x9b, INSTR_RSY_AARD },
1416 	{ { 0, LONG_INSN_PCISTB }, 0xd0, INSTR_RSY_RRRD },
1417 	{ "sic", 0xd1, INSTR_RSY_RRRD },
1418 	{ "srak", 0xdc, INSTR_RSY_RRRD },
1419 	{ "slak", 0xdd, INSTR_RSY_RRRD },
1420 	{ "srlk", 0xde, INSTR_RSY_RRRD },
1421 	{ "sllk", 0xdf, INSTR_RSY_RRRD },
1422 	{ "locg", 0xe2, INSTR_RSY_RDRM },
1423 	{ "stocg", 0xe3, INSTR_RSY_RDRM },
1424 	{ "lang", 0xe4, INSTR_RSY_RRRD },
1425 	{ "laog", 0xe6, INSTR_RSY_RRRD },
1426 	{ "laxg", 0xe7, INSTR_RSY_RRRD },
1427 	{ "laag", 0xe8, INSTR_RSY_RRRD },
1428 	{ "laalg", 0xea, INSTR_RSY_RRRD },
1429 	{ "loc", 0xf2, INSTR_RSY_RDRM },
1430 	{ "stoc", 0xf3, INSTR_RSY_RDRM },
1431 	{ "lan", 0xf4, INSTR_RSY_RRRD },
1432 	{ "lao", 0xf6, INSTR_RSY_RRRD },
1433 	{ "lax", 0xf7, INSTR_RSY_RRRD },
1434 	{ "laa", 0xf8, INSTR_RSY_RRRD },
1435 	{ "laal", 0xfa, INSTR_RSY_RRRD },
1436 	{ "lric", 0x60, INSTR_RSY_RDRM },
1437 	{ "stric", 0x61, INSTR_RSY_RDRM },
1438 	{ "mric", 0x62, INSTR_RSY_RDRM },
1439 #endif
1440 	{ "rll", 0x1d, INSTR_RSY_RRRD },
1441 	{ "mvclu", 0x8e, INSTR_RSY_RRRD },
1442 	{ "tp", 0xc0, INSTR_RSL_R0RD },
1443 	{ "", 0, INSTR_INVALID }
1444 };
1445 
1446 static struct s390_insn opcode_ec[] = {
1447 #ifdef CONFIG_64BIT
1448 	{ "brxhg", 0x44, INSTR_RIE_RRP },
1449 	{ "brxlg", 0x45, INSTR_RIE_RRP },
1450 	{ { 0, LONG_INSN_RISBLG }, 0x51, INSTR_RIE_RRUUU },
1451 	{ "rnsbg", 0x54, INSTR_RIE_RRUUU },
1452 	{ "risbg", 0x55, INSTR_RIE_RRUUU },
1453 	{ "rosbg", 0x56, INSTR_RIE_RRUUU },
1454 	{ "rxsbg", 0x57, INSTR_RIE_RRUUU },
1455 	{ { 0, LONG_INSN_RISBGN }, 0x59, INSTR_RIE_RRUUU },
1456 	{ { 0, LONG_INSN_RISBHG }, 0x5D, INSTR_RIE_RRUUU },
1457 	{ "cgrj", 0x64, INSTR_RIE_RRPU },
1458 	{ "clgrj", 0x65, INSTR_RIE_RRPU },
1459 	{ "cgit", 0x70, INSTR_RIE_R0IU },
1460 	{ "clgit", 0x71, INSTR_RIE_R0UU },
1461 	{ "cit", 0x72, INSTR_RIE_R0IU },
1462 	{ "clfit", 0x73, INSTR_RIE_R0UU },
1463 	{ "crj", 0x76, INSTR_RIE_RRPU },
1464 	{ "clrj", 0x77, INSTR_RIE_RRPU },
1465 	{ "cgij", 0x7c, INSTR_RIE_RUPI },
1466 	{ "clgij", 0x7d, INSTR_RIE_RUPU },
1467 	{ "cij", 0x7e, INSTR_RIE_RUPI },
1468 	{ "clij", 0x7f, INSTR_RIE_RUPU },
1469 	{ "ahik", 0xd8, INSTR_RIE_RRI0 },
1470 	{ "aghik", 0xd9, INSTR_RIE_RRI0 },
1471 	{ { 0, LONG_INSN_ALHSIK }, 0xda, INSTR_RIE_RRI0 },
1472 	{ { 0, LONG_INSN_ALGHSIK }, 0xdb, INSTR_RIE_RRI0 },
1473 	{ "cgrb", 0xe4, INSTR_RRS_RRRDU },
1474 	{ "clgrb", 0xe5, INSTR_RRS_RRRDU },
1475 	{ "crb", 0xf6, INSTR_RRS_RRRDU },
1476 	{ "clrb", 0xf7, INSTR_RRS_RRRDU },
1477 	{ "cgib", 0xfc, INSTR_RIS_RURDI },
1478 	{ "clgib", 0xfd, INSTR_RIS_RURDU },
1479 	{ "cib", 0xfe, INSTR_RIS_RURDI },
1480 	{ "clib", 0xff, INSTR_RIS_RURDU },
1481 #endif
1482 	{ "", 0, INSTR_INVALID }
1483 };
1484 
1485 static struct s390_insn opcode_ed[] = {
1486 #ifdef CONFIG_64BIT
1487 	{ "mayl", 0x38, INSTR_RXF_FRRDF },
1488 	{ "myl", 0x39, INSTR_RXF_FRRDF },
1489 	{ "may", 0x3a, INSTR_RXF_FRRDF },
1490 	{ "my", 0x3b, INSTR_RXF_FRRDF },
1491 	{ "mayh", 0x3c, INSTR_RXF_FRRDF },
1492 	{ "myh", 0x3d, INSTR_RXF_FRRDF },
1493 	{ "sldt", 0x40, INSTR_RXF_FRRDF },
1494 	{ "srdt", 0x41, INSTR_RXF_FRRDF },
1495 	{ "slxt", 0x48, INSTR_RXF_FRRDF },
1496 	{ "srxt", 0x49, INSTR_RXF_FRRDF },
1497 	{ "tdcet", 0x50, INSTR_RXE_FRRD },
1498 	{ "tdget", 0x51, INSTR_RXE_FRRD },
1499 	{ "tdcdt", 0x54, INSTR_RXE_FRRD },
1500 	{ "tdgdt", 0x55, INSTR_RXE_FRRD },
1501 	{ "tdcxt", 0x58, INSTR_RXE_FRRD },
1502 	{ "tdgxt", 0x59, INSTR_RXE_FRRD },
1503 	{ "ley", 0x64, INSTR_RXY_FRRD },
1504 	{ "ldy", 0x65, INSTR_RXY_FRRD },
1505 	{ "stey", 0x66, INSTR_RXY_FRRD },
1506 	{ "stdy", 0x67, INSTR_RXY_FRRD },
1507 	{ "czdt", 0xa8, INSTR_RSL_LRDFU },
1508 	{ "czxt", 0xa9, INSTR_RSL_LRDFU },
1509 	{ "cdzt", 0xaa, INSTR_RSL_LRDFU },
1510 	{ "cxzt", 0xab, INSTR_RSL_LRDFU },
1511 #endif
1512 	{ "ldeb", 0x04, INSTR_RXE_FRRD },
1513 	{ "lxdb", 0x05, INSTR_RXE_FRRD },
1514 	{ "lxeb", 0x06, INSTR_RXE_FRRD },
1515 	{ "mxdb", 0x07, INSTR_RXE_FRRD },
1516 	{ "keb", 0x08, INSTR_RXE_FRRD },
1517 	{ "ceb", 0x09, INSTR_RXE_FRRD },
1518 	{ "aeb", 0x0a, INSTR_RXE_FRRD },
1519 	{ "seb", 0x0b, INSTR_RXE_FRRD },
1520 	{ "mdeb", 0x0c, INSTR_RXE_FRRD },
1521 	{ "deb", 0x0d, INSTR_RXE_FRRD },
1522 	{ "maeb", 0x0e, INSTR_RXF_FRRDF },
1523 	{ "mseb", 0x0f, INSTR_RXF_FRRDF },
1524 	{ "tceb", 0x10, INSTR_RXE_FRRD },
1525 	{ "tcdb", 0x11, INSTR_RXE_FRRD },
1526 	{ "tcxb", 0x12, INSTR_RXE_FRRD },
1527 	{ "sqeb", 0x14, INSTR_RXE_FRRD },
1528 	{ "sqdb", 0x15, INSTR_RXE_FRRD },
1529 	{ "meeb", 0x17, INSTR_RXE_FRRD },
1530 	{ "kdb", 0x18, INSTR_RXE_FRRD },
1531 	{ "cdb", 0x19, INSTR_RXE_FRRD },
1532 	{ "adb", 0x1a, INSTR_RXE_FRRD },
1533 	{ "sdb", 0x1b, INSTR_RXE_FRRD },
1534 	{ "mdb", 0x1c, INSTR_RXE_FRRD },
1535 	{ "ddb", 0x1d, INSTR_RXE_FRRD },
1536 	{ "madb", 0x1e, INSTR_RXF_FRRDF },
1537 	{ "msdb", 0x1f, INSTR_RXF_FRRDF },
1538 	{ "lde", 0x24, INSTR_RXE_FRRD },
1539 	{ "lxd", 0x25, INSTR_RXE_FRRD },
1540 	{ "lxe", 0x26, INSTR_RXE_FRRD },
1541 	{ "mae", 0x2e, INSTR_RXF_FRRDF },
1542 	{ "mse", 0x2f, INSTR_RXF_FRRDF },
1543 	{ "sqe", 0x34, INSTR_RXE_FRRD },
1544 	{ "sqd", 0x35, INSTR_RXE_FRRD },
1545 	{ "mee", 0x37, INSTR_RXE_FRRD },
1546 	{ "mad", 0x3e, INSTR_RXF_FRRDF },
1547 	{ "msd", 0x3f, INSTR_RXF_FRRDF },
1548 	{ "", 0, INSTR_INVALID }
1549 };
1550 
1551 /* Extracts an operand value from an instruction.  */
1552 static unsigned int extract_operand(unsigned char *code,
1553 				    const struct s390_operand *operand)
1554 {
1555 	unsigned int val;
1556 	int bits;
1557 
1558 	/* Extract fragments of the operand byte for byte.  */
1559 	code += operand->shift / 8;
1560 	bits = (operand->shift & 7) + operand->bits;
1561 	val = 0;
1562 	do {
1563 		val <<= 8;
1564 		val |= (unsigned int) *code++;
1565 		bits -= 8;
1566 	} while (bits > 0);
1567 	val >>= -bits;
1568 	val &= ((1U << (operand->bits - 1)) << 1) - 1;
1569 
1570 	/* Check for special long displacement case.  */
1571 	if (operand->bits == 20 && operand->shift == 20)
1572 		val = (val & 0xff) << 12 | (val & 0xfff00) >> 8;
1573 
1574 	/* Sign extend value if the operand is signed or pc relative.  */
1575 	if ((operand->flags & (OPERAND_SIGNED | OPERAND_PCREL)) &&
1576 	    (val & (1U << (operand->bits - 1))))
1577 		val |= (-1U << (operand->bits - 1)) << 1;
1578 
1579 	/* Double value if the operand is pc relative.	*/
1580 	if (operand->flags & OPERAND_PCREL)
1581 		val <<= 1;
1582 
1583 	/* Length x in an instructions has real length x + 1.  */
1584 	if (operand->flags & OPERAND_LENGTH)
1585 		val++;
1586 	return val;
1587 }
1588 
1589 struct s390_insn *find_insn(unsigned char *code)
1590 {
1591 	unsigned char opfrag = code[1];
1592 	unsigned char opmask;
1593 	struct s390_insn *table;
1594 
1595 	switch (code[0]) {
1596 	case 0x01:
1597 		table = opcode_01;
1598 		break;
1599 	case 0xa5:
1600 		table = opcode_a5;
1601 		break;
1602 	case 0xa7:
1603 		table = opcode_a7;
1604 		break;
1605 	case 0xaa:
1606 		table = opcode_aa;
1607 		break;
1608 	case 0xb2:
1609 		table = opcode_b2;
1610 		break;
1611 	case 0xb3:
1612 		table = opcode_b3;
1613 		break;
1614 	case 0xb9:
1615 		table = opcode_b9;
1616 		break;
1617 	case 0xc0:
1618 		table = opcode_c0;
1619 		break;
1620 	case 0xc2:
1621 		table = opcode_c2;
1622 		break;
1623 	case 0xc4:
1624 		table = opcode_c4;
1625 		break;
1626 	case 0xc6:
1627 		table = opcode_c6;
1628 		break;
1629 	case 0xc8:
1630 		table = opcode_c8;
1631 		break;
1632 	case 0xcc:
1633 		table = opcode_cc;
1634 		break;
1635 	case 0xe3:
1636 		table = opcode_e3;
1637 		opfrag = code[5];
1638 		break;
1639 	case 0xe5:
1640 		table = opcode_e5;
1641 		break;
1642 	case 0xeb:
1643 		table = opcode_eb;
1644 		opfrag = code[5];
1645 		break;
1646 	case 0xec:
1647 		table = opcode_ec;
1648 		opfrag = code[5];
1649 		break;
1650 	case 0xed:
1651 		table = opcode_ed;
1652 		opfrag = code[5];
1653 		break;
1654 	default:
1655 		table = opcode;
1656 		opfrag = code[0];
1657 		break;
1658 	}
1659 	while (table->format != INSTR_INVALID) {
1660 		opmask = formats[table->format][0];
1661 		if (table->opfrag == (opfrag & opmask))
1662 			return table;
1663 		table++;
1664 	}
1665 	return NULL;
1666 }
1667 
1668 /**
1669  * insn_to_mnemonic - decode an s390 instruction
1670  * @instruction: instruction to decode
1671  * @buf: buffer to fill with mnemonic
1672  * @len: length of buffer
1673  *
1674  * Decode the instruction at @instruction and store the corresponding
1675  * mnemonic into @buf of length @len.
1676  * @buf is left unchanged if the instruction could not be decoded.
1677  * Returns:
1678  *  %0 on success, %-ENOENT if the instruction was not found.
1679  */
1680 int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len)
1681 {
1682 	struct s390_insn *insn;
1683 
1684 	insn = find_insn(instruction);
1685 	if (!insn)
1686 		return -ENOENT;
1687 	if (insn->name[0] == '\0')
1688 		snprintf(buf, len, "%s",
1689 			 long_insn_name[(int) insn->name[1]]);
1690 	else
1691 		snprintf(buf, len, "%.5s", insn->name);
1692 	return 0;
1693 }
1694 EXPORT_SYMBOL_GPL(insn_to_mnemonic);
1695 
1696 static int print_insn(char *buffer, unsigned char *code, unsigned long addr)
1697 {
1698 	struct s390_insn *insn;
1699 	const unsigned char *ops;
1700 	const struct s390_operand *operand;
1701 	unsigned int value;
1702 	char separator;
1703 	char *ptr;
1704 	int i;
1705 
1706 	ptr = buffer;
1707 	insn = find_insn(code);
1708 	if (insn) {
1709 		if (insn->name[0] == '\0')
1710 			ptr += sprintf(ptr, "%s\t",
1711 				       long_insn_name[(int) insn->name[1]]);
1712 		else
1713 			ptr += sprintf(ptr, "%.5s\t", insn->name);
1714 		/* Extract the operands. */
1715 		separator = 0;
1716 		for (ops = formats[insn->format] + 1, i = 0;
1717 		     *ops != 0 && i < 6; ops++, i++) {
1718 			operand = operands + *ops;
1719 			value = extract_operand(code, operand);
1720 			if ((operand->flags & OPERAND_INDEX)  && value == 0)
1721 				continue;
1722 			if ((operand->flags & OPERAND_BASE) &&
1723 			    value == 0 && separator == '(') {
1724 				separator = ',';
1725 				continue;
1726 			}
1727 			if (separator)
1728 				ptr += sprintf(ptr, "%c", separator);
1729 			if (operand->flags & OPERAND_GPR)
1730 				ptr += sprintf(ptr, "%%r%i", value);
1731 			else if (operand->flags & OPERAND_FPR)
1732 				ptr += sprintf(ptr, "%%f%i", value);
1733 			else if (operand->flags & OPERAND_AR)
1734 				ptr += sprintf(ptr, "%%a%i", value);
1735 			else if (operand->flags & OPERAND_CR)
1736 				ptr += sprintf(ptr, "%%c%i", value);
1737 			else if (operand->flags & OPERAND_PCREL)
1738 				ptr += sprintf(ptr, "%lx", (signed int) value
1739 								      + addr);
1740 			else if (operand->flags & OPERAND_SIGNED)
1741 				ptr += sprintf(ptr, "%i", value);
1742 			else
1743 				ptr += sprintf(ptr, "%u", value);
1744 			if (operand->flags & OPERAND_DISP)
1745 				separator = '(';
1746 			else if (operand->flags & OPERAND_BASE) {
1747 				ptr += sprintf(ptr, ")");
1748 				separator = ',';
1749 			} else
1750 				separator = ',';
1751 		}
1752 	} else
1753 		ptr += sprintf(ptr, "unknown");
1754 	return (int) (ptr - buffer);
1755 }
1756 
1757 void show_code(struct pt_regs *regs)
1758 {
1759 	char *mode = user_mode(regs) ? "User" : "Krnl";
1760 	unsigned char code[64];
1761 	char buffer[64], *ptr;
1762 	mm_segment_t old_fs;
1763 	unsigned long addr;
1764 	int start, end, opsize, hops, i;
1765 
1766 	/* Get a snapshot of the 64 bytes surrounding the fault address. */
1767 	old_fs = get_fs();
1768 	set_fs(user_mode(regs) ? USER_DS : KERNEL_DS);
1769 	for (start = 32; start && regs->psw.addr >= 34 - start; start -= 2) {
1770 		addr = regs->psw.addr - 34 + start;
1771 		if (__copy_from_user(code + start - 2,
1772 				     (char __user *) addr, 2))
1773 			break;
1774 	}
1775 	for (end = 32; end < 64; end += 2) {
1776 		addr = regs->psw.addr + end - 32;
1777 		if (__copy_from_user(code + end,
1778 				     (char __user *) addr, 2))
1779 			break;
1780 	}
1781 	set_fs(old_fs);
1782 	/* Code snapshot useable ? */
1783 	if ((regs->psw.addr & 1) || start >= end) {
1784 		printk("%s Code: Bad PSW.\n", mode);
1785 		return;
1786 	}
1787 	/* Find a starting point for the disassembly. */
1788 	while (start < 32) {
1789 		for (i = 0, hops = 0; start + i < 32 && hops < 3; hops++) {
1790 			if (!find_insn(code + start + i))
1791 				break;
1792 			i += insn_length(code[start + i]);
1793 		}
1794 		if (start + i == 32)
1795 			/* Looks good, sequence ends at PSW. */
1796 			break;
1797 		start += 2;
1798 	}
1799 	/* Decode the instructions. */
1800 	ptr = buffer;
1801 	ptr += sprintf(ptr, "%s Code:", mode);
1802 	hops = 0;
1803 	while (start < end && hops < 8) {
1804 		opsize = insn_length(code[start]);
1805 		if  (start + opsize == 32)
1806 			*ptr++ = '#';
1807 		else if (start == 32)
1808 			*ptr++ = '>';
1809 		else
1810 			*ptr++ = ' ';
1811 		addr = regs->psw.addr + start - 32;
1812 		ptr += sprintf(ptr, ONELONG, addr);
1813 		if (start + opsize >= end)
1814 			break;
1815 		for (i = 0; i < opsize; i++)
1816 			ptr += sprintf(ptr, "%02x", code[start + i]);
1817 		*ptr++ = '\t';
1818 		if (i < 6)
1819 			*ptr++ = '\t';
1820 		ptr += print_insn(ptr, code + start, addr);
1821 		start += opsize;
1822 		printk(buffer);
1823 		ptr = buffer;
1824 		ptr += sprintf(ptr, "\n          ");
1825 		hops++;
1826 	}
1827 	printk("\n");
1828 }
1829 
1830 void print_fn_code(unsigned char *code, unsigned long len)
1831 {
1832 	char buffer[64], *ptr;
1833 	int opsize, i;
1834 
1835 	while (len) {
1836 		ptr = buffer;
1837 		opsize = insn_length(*code);
1838 		if (opsize > len)
1839 			break;
1840 		ptr += sprintf(ptr, "%p: ", code);
1841 		for (i = 0; i < opsize; i++)
1842 			ptr += sprintf(ptr, "%02x", code[i]);
1843 		*ptr++ = '\t';
1844 		if (i < 4)
1845 			*ptr++ = '\t';
1846 		ptr += print_insn(ptr, code, (unsigned long) code);
1847 		*ptr++ = '\n';
1848 		*ptr++ = 0;
1849 		printk(buffer);
1850 		code += opsize;
1851 		len -= opsize;
1852 	}
1853 }
1854