xref: /linux/arch/s390/kernel/dis.c (revision 95db3b255fde4e830e5f8cc011eb404023f669d4)
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 enum {
36 	UNUSED,	/* Indicates the end of the operand list */
37 	R_8,	/* GPR starting at position 8 */
38 	R_12,	/* GPR starting at position 12 */
39 	R_16,	/* GPR starting at position 16 */
40 	R_20,	/* GPR starting at position 20 */
41 	R_24,	/* GPR starting at position 24 */
42 	R_28,	/* GPR starting at position 28 */
43 	R_32,	/* GPR starting at position 32 */
44 	F_8,	/* FPR starting at position 8 */
45 	F_12,	/* FPR starting at position 12 */
46 	F_16,	/* FPR starting at position 16 */
47 	F_20,	/* FPR starting at position 16 */
48 	F_24,	/* FPR starting at position 24 */
49 	F_28,	/* FPR starting at position 28 */
50 	F_32,	/* FPR starting at position 32 */
51 	A_8,	/* Access reg. starting at position 8 */
52 	A_12,	/* Access reg. starting at position 12 */
53 	A_24,	/* Access reg. starting at position 24 */
54 	A_28,	/* Access reg. starting at position 28 */
55 	C_8,	/* Control reg. starting at position 8 */
56 	C_12,	/* Control reg. starting at position 12 */
57 	V_8,	/* Vector reg. starting at position 8, extension bit at 36 */
58 	V_12,	/* Vector reg. starting at position 12, extension bit at 37 */
59 	V_16,	/* Vector reg. starting at position 16, extension bit at 38 */
60 	V_32,	/* Vector reg. starting at position 32, extension bit at 39 */
61 	W_12,	/* Vector reg. at bit 12, extension at bit 37, used as index */
62 	B_16,	/* Base register starting at position 16 */
63 	B_32,	/* Base register starting at position 32 */
64 	X_12,	/* Index register starting at position 12 */
65 	D_20,	/* Displacement starting at position 20 */
66 	D_36,	/* Displacement starting at position 36 */
67 	D20_20,	/* 20 bit displacement starting at 20 */
68 	L4_8,	/* 4 bit length starting at position 8 */
69 	L4_12,	/* 4 bit length starting at position 12 */
70 	L8_8,	/* 8 bit length starting at position 8 */
71 	U4_8,	/* 4 bit unsigned value starting at 8 */
72 	U4_12,	/* 4 bit unsigned value starting at 12 */
73 	U4_16,	/* 4 bit unsigned value starting at 16 */
74 	U4_20,	/* 4 bit unsigned value starting at 20 */
75 	U4_24,	/* 4 bit unsigned value starting at 24 */
76 	U4_28,	/* 4 bit unsigned value starting at 28 */
77 	U4_32,	/* 4 bit unsigned value starting at 32 */
78 	U4_36,	/* 4 bit unsigned value starting at 36 */
79 	U8_8,	/* 8 bit unsigned value starting at 8 */
80 	U8_16,	/* 8 bit unsigned value starting at 16 */
81 	U8_24,	/* 8 bit unsigned value starting at 24 */
82 	U8_32,	/* 8 bit unsigned value starting at 32 */
83 	I8_8,	/* 8 bit signed value starting at 8 */
84 	I8_16,	/* 8 bit signed value starting at 16 */
85 	I8_24,	/* 8 bit signed value starting at 24 */
86 	I8_32,	/* 8 bit signed value starting at 32 */
87 	J12_12, /* PC relative offset at 12 */
88 	I16_16,	/* 16 bit signed value starting at 16 */
89 	I16_32,	/* 32 bit signed value starting at 16 */
90 	U16_16,	/* 16 bit unsigned value starting at 16 */
91 	U16_32,	/* 32 bit unsigned value starting at 16 */
92 	J16_16,	/* PC relative jump offset at 16 */
93 	J16_32, /* PC relative offset at 16 */
94 	I24_24, /* 24 bit signed value starting at 24 */
95 	J32_16,	/* PC relative long offset at 16 */
96 	I32_16,	/* 32 bit signed value starting at 16 */
97 	U32_16,	/* 32 bit unsigned value starting at 16 */
98 	M_16,	/* 4 bit optional mask starting at 16 */
99 	M_20,	/* 4 bit optional mask starting at 20 */
100 	M_24,	/* 4 bit optional mask starting at 24 */
101 	M_28,	/* 4 bit optional mask starting at 28 */
102 	M_32,	/* 4 bit optional mask starting at 32 */
103 	RO_28,	/* optional GPR starting at position 28 */
104 };
105 
106 /*
107  * Enumeration of the different instruction formats.
108  * For details consult the principles of operation.
109  */
110 enum {
111 	INSTR_INVALID,
112 	INSTR_E,
113 	INSTR_IE_UU,
114 	INSTR_MII_UPI,
115 	INSTR_RIE_R0IU, INSTR_RIE_R0UU, INSTR_RIE_RRP, INSTR_RIE_RRPU,
116 	INSTR_RIE_RRUUU, INSTR_RIE_RUPI, INSTR_RIE_RUPU, INSTR_RIE_RRI0,
117 	INSTR_RIL_RI, INSTR_RIL_RP, INSTR_RIL_RU, INSTR_RIL_UP,
118 	INSTR_RIS_R0RDU, INSTR_RIS_R0UU, INSTR_RIS_RURDI, INSTR_RIS_RURDU,
119 	INSTR_RI_RI, INSTR_RI_RP, INSTR_RI_RU, INSTR_RI_UP,
120 	INSTR_RRE_00, INSTR_RRE_0R, INSTR_RRE_AA, INSTR_RRE_AR, INSTR_RRE_F0,
121 	INSTR_RRE_FF, INSTR_RRE_FR, INSTR_RRE_R0, INSTR_RRE_RA, INSTR_RRE_RF,
122 	INSTR_RRE_RR, INSTR_RRE_RR_OPT,
123 	INSTR_RRF_0UFF, INSTR_RRF_F0FF, INSTR_RRF_F0FF2, INSTR_RRF_F0FR,
124 	INSTR_RRF_FFRU, INSTR_RRF_FUFF, INSTR_RRF_FUFF2, INSTR_RRF_M0RR,
125 	INSTR_RRF_R0RR,	INSTR_RRF_R0RR2, INSTR_RRF_RMRR, INSTR_RRF_RURR,
126 	INSTR_RRF_U0FF,	INSTR_RRF_U0RF, INSTR_RRF_U0RR, INSTR_RRF_UUFF,
127 	INSTR_RRF_UUFR, INSTR_RRF_UURF,
128 	INSTR_RRR_F0FF, INSTR_RRS_RRRDU,
129 	INSTR_RR_FF, INSTR_RR_R0, INSTR_RR_RR, INSTR_RR_U0, INSTR_RR_UR,
130 	INSTR_RSE_CCRD, INSTR_RSE_RRRD, INSTR_RSE_RURD,
131 	INSTR_RSI_RRP,
132 	INSTR_RSL_LRDFU, INSTR_RSL_R0RD,
133 	INSTR_RSY_AARD, INSTR_RSY_CCRD, INSTR_RSY_RRRD, INSTR_RSY_RURD,
134 	INSTR_RSY_RDRM, INSTR_RSY_RMRD,
135 	INSTR_RS_AARD, INSTR_RS_CCRD, INSTR_RS_R0RD, INSTR_RS_RRRD,
136 	INSTR_RS_RURD,
137 	INSTR_RXE_FRRD, INSTR_RXE_RRRD, INSTR_RXE_RRRDM,
138 	INSTR_RXF_FRRDF,
139 	INSTR_RXY_FRRD, INSTR_RXY_RRRD, INSTR_RXY_URRD,
140 	INSTR_RX_FRRD, INSTR_RX_RRRD, INSTR_RX_URRD,
141 	INSTR_SIL_RDI, INSTR_SIL_RDU,
142 	INSTR_SIY_IRD, INSTR_SIY_URD,
143 	INSTR_SI_URD,
144 	INSTR_SMI_U0RDP,
145 	INSTR_SSE_RDRD,
146 	INSTR_SSF_RRDRD, INSTR_SSF_RRDRD2,
147 	INSTR_SS_L0RDRD, INSTR_SS_LIRDRD, INSTR_SS_LLRDRD, INSTR_SS_RRRDRD,
148 	INSTR_SS_RRRDRD2, INSTR_SS_RRRDRD3,
149 	INSTR_S_00, INSTR_S_RD,
150 	INSTR_VRI_V0IM, INSTR_VRI_V0I0, INSTR_VRI_V0IIM, INSTR_VRI_VVIM,
151 	INSTR_VRI_VVV0IM, INSTR_VRI_VVV0I0, INSTR_VRI_VVIMM,
152 	INSTR_VRR_VV00MMM, INSTR_VRR_VV000MM, INSTR_VRR_VV0000M,
153 	INSTR_VRR_VV00000, INSTR_VRR_VVV0M0M, INSTR_VRR_VV00M0M,
154 	INSTR_VRR_VVV000M, INSTR_VRR_VVV000V, INSTR_VRR_VVV0000,
155 	INSTR_VRR_VVV0MMM, INSTR_VRR_VVV00MM, INSTR_VRR_VVVMM0V,
156 	INSTR_VRR_VVVM0MV, INSTR_VRR_VVVM00V, INSTR_VRR_VRR0000,
157 	INSTR_VRS_VVRDM, INSTR_VRS_VVRD0, INSTR_VRS_VRRDM, INSTR_VRS_VRRD0,
158 	INSTR_VRS_RVRDM,
159 	INSTR_VRV_VVRDM, INSTR_VRV_VWRDM,
160 	INSTR_VRX_VRRDM, INSTR_VRX_VRRD0,
161 };
162 
163 static const struct s390_operand operands[] =
164 {
165 	[UNUSED]  = { 0, 0, 0 },
166 	[R_8]	 = {  4,  8, OPERAND_GPR },
167 	[R_12]	 = {  4, 12, OPERAND_GPR },
168 	[R_16]	 = {  4, 16, OPERAND_GPR },
169 	[R_20]	 = {  4, 20, OPERAND_GPR },
170 	[R_24]	 = {  4, 24, OPERAND_GPR },
171 	[R_28]	 = {  4, 28, OPERAND_GPR },
172 	[R_32]	 = {  4, 32, OPERAND_GPR },
173 	[F_8]	 = {  4,  8, OPERAND_FPR },
174 	[F_12]	 = {  4, 12, OPERAND_FPR },
175 	[F_16]	 = {  4, 16, OPERAND_FPR },
176 	[F_20]	 = {  4, 16, OPERAND_FPR },
177 	[F_24]	 = {  4, 24, OPERAND_FPR },
178 	[F_28]	 = {  4, 28, OPERAND_FPR },
179 	[F_32]	 = {  4, 32, OPERAND_FPR },
180 	[A_8]	 = {  4,  8, OPERAND_AR },
181 	[A_12]	 = {  4, 12, OPERAND_AR },
182 	[A_24]	 = {  4, 24, OPERAND_AR },
183 	[A_28]	 = {  4, 28, OPERAND_AR },
184 	[C_8]	 = {  4,  8, OPERAND_CR },
185 	[C_12]	 = {  4, 12, OPERAND_CR },
186 	[V_8]	 = {  4,  8, OPERAND_VR },
187 	[V_12]	 = {  4, 12, OPERAND_VR },
188 	[V_16]	 = {  4, 16, OPERAND_VR },
189 	[V_32]	 = {  4, 32, OPERAND_VR },
190 	[W_12]	 = {  4, 12, OPERAND_INDEX | OPERAND_VR },
191 	[B_16]	 = {  4, 16, OPERAND_BASE | OPERAND_GPR },
192 	[B_32]	 = {  4, 32, OPERAND_BASE | OPERAND_GPR },
193 	[X_12]	 = {  4, 12, OPERAND_INDEX | OPERAND_GPR },
194 	[D_20]	 = { 12, 20, OPERAND_DISP },
195 	[D_36]	 = { 12, 36, OPERAND_DISP },
196 	[D20_20] = { 20, 20, OPERAND_DISP | OPERAND_SIGNED },
197 	[L4_8]	 = {  4,  8, OPERAND_LENGTH },
198 	[L4_12]  = {  4, 12, OPERAND_LENGTH },
199 	[L8_8]	 = {  8,  8, OPERAND_LENGTH },
200 	[U4_8]	 = {  4,  8, 0 },
201 	[U4_12]  = {  4, 12, 0 },
202 	[U4_16]  = {  4, 16, 0 },
203 	[U4_20]  = {  4, 20, 0 },
204 	[U4_24]  = {  4, 24, 0 },
205 	[U4_28]  = {  4, 28, 0 },
206 	[U4_32]  = {  4, 32, 0 },
207 	[U4_36]  = {  4, 36, 0 },
208 	[U8_8]	 = {  8,  8, 0 },
209 	[U8_16]  = {  8, 16, 0 },
210 	[U8_24]  = {  8, 24, 0 },
211 	[U8_32]  = {  8, 32, 0 },
212 	[J12_12] = { 12, 12, OPERAND_PCREL },
213 	[I8_8]	 = {  8,  8, OPERAND_SIGNED },
214 	[I8_16]  = {  8, 16, OPERAND_SIGNED },
215 	[I8_24]  = {  8, 24, OPERAND_SIGNED },
216 	[I8_32]  = {  8, 32, OPERAND_SIGNED },
217 	[I16_32] = { 16, 32, OPERAND_SIGNED },
218 	[I16_16] = { 16, 16, OPERAND_SIGNED },
219 	[U16_16] = { 16, 16, 0 },
220 	[U16_32] = { 16, 32, 0 },
221 	[J16_16] = { 16, 16, OPERAND_PCREL },
222 	[J16_32] = { 16, 32, OPERAND_PCREL },
223 	[I24_24] = { 24, 24, OPERAND_SIGNED },
224 	[J32_16] = { 32, 16, OPERAND_PCREL },
225 	[I32_16] = { 32, 16, OPERAND_SIGNED },
226 	[U32_16] = { 32, 16, 0 },
227 	[M_16]	 = {  4, 16, 0 },
228 	[M_20]	 = {  4, 20, 0 },
229 	[M_24]	 = {  4, 24, 0 },
230 	[M_28]	 = {  4, 28, 0 },
231 	[M_32]	 = {  4, 32, 0 },
232 	[RO_28]  = {  4, 28, OPERAND_GPR }
233 };
234 
235 static const unsigned char formats[][7] = {
236 	[INSTR_E]	  = { 0xff, 0,0,0,0,0,0 },
237 	[INSTR_IE_UU]	  = { 0xff, U4_24,U4_28,0,0,0,0 },
238 	[INSTR_MII_UPI]	  = { 0xff, U4_8,J12_12,I24_24 },
239 	[INSTR_RIE_R0IU]  = { 0xff, R_8,I16_16,U4_32,0,0,0 },
240 	[INSTR_RIE_R0UU]  = { 0xff, R_8,U16_16,U4_32,0,0,0 },
241 	[INSTR_RIE_RRI0]  = { 0xff, R_8,R_12,I16_16,0,0,0 },
242 	[INSTR_RIE_RRPU]  = { 0xff, R_8,R_12,U4_32,J16_16,0,0 },
243 	[INSTR_RIE_RRP]	  = { 0xff, R_8,R_12,J16_16,0,0,0 },
244 	[INSTR_RIE_RRUUU] = { 0xff, R_8,R_12,U8_16,U8_24,U8_32,0 },
245 	[INSTR_RIE_RUPI]  = { 0xff, R_8,I8_32,U4_12,J16_16,0,0 },
246 	[INSTR_RIE_RUPU]  = { 0xff, R_8,U8_32,U4_12,J16_16,0,0 },
247 	[INSTR_RIL_RI]	  = { 0x0f, R_8,I32_16,0,0,0,0 },
248 	[INSTR_RIL_RP]	  = { 0x0f, R_8,J32_16,0,0,0,0 },
249 	[INSTR_RIL_RU]	  = { 0x0f, R_8,U32_16,0,0,0,0 },
250 	[INSTR_RIL_UP]	  = { 0x0f, U4_8,J32_16,0,0,0,0 },
251 	[INSTR_RIS_R0RDU] = { 0xff, R_8,U8_32,D_20,B_16,0,0 },
252 	[INSTR_RIS_RURDI] = { 0xff, R_8,I8_32,U4_12,D_20,B_16,0 },
253 	[INSTR_RIS_RURDU] = { 0xff, R_8,U8_32,U4_12,D_20,B_16,0 },
254 	[INSTR_RI_RI]	  = { 0x0f, R_8,I16_16,0,0,0,0 },
255 	[INSTR_RI_RP]	  = { 0x0f, R_8,J16_16,0,0,0,0 },
256 	[INSTR_RI_RU]	  = { 0x0f, R_8,U16_16,0,0,0,0 },
257 	[INSTR_RI_UP]	  = { 0x0f, U4_8,J16_16,0,0,0,0 },
258 	[INSTR_RRE_00]	  = { 0xff, 0,0,0,0,0,0 },
259 	[INSTR_RRE_0R]	  = { 0xff, R_28,0,0,0,0,0 },
260 	[INSTR_RRE_AA]	  = { 0xff, A_24,A_28,0,0,0,0 },
261 	[INSTR_RRE_AR]	  = { 0xff, A_24,R_28,0,0,0,0 },
262 	[INSTR_RRE_F0]	  = { 0xff, F_24,0,0,0,0,0 },
263 	[INSTR_RRE_FF]	  = { 0xff, F_24,F_28,0,0,0,0 },
264 	[INSTR_RRE_FR]	  = { 0xff, F_24,R_28,0,0,0,0 },
265 	[INSTR_RRE_R0]	  = { 0xff, R_24,0,0,0,0,0 },
266 	[INSTR_RRE_RA]	  = { 0xff, R_24,A_28,0,0,0,0 },
267 	[INSTR_RRE_RF]	  = { 0xff, R_24,F_28,0,0,0,0 },
268 	[INSTR_RRE_RR]	  = { 0xff, R_24,R_28,0,0,0,0 },
269 	[INSTR_RRE_RR_OPT]= { 0xff, R_24,RO_28,0,0,0,0 },
270 	[INSTR_RRF_0UFF]  = { 0xff, F_24,F_28,U4_20,0,0,0 },
271 	[INSTR_RRF_F0FF2] = { 0xff, F_24,F_16,F_28,0,0,0 },
272 	[INSTR_RRF_F0FF]  = { 0xff, F_16,F_24,F_28,0,0,0 },
273 	[INSTR_RRF_F0FR]  = { 0xff, F_24,F_16,R_28,0,0,0 },
274 	[INSTR_RRF_FFRU]  = { 0xff, F_24,F_16,R_28,U4_20,0,0 },
275 	[INSTR_RRF_FUFF]  = { 0xff, F_24,F_16,F_28,U4_20,0,0 },
276 	[INSTR_RRF_FUFF2] = { 0xff, F_24,F_28,F_16,U4_20,0,0 },
277 	[INSTR_RRF_M0RR]  = { 0xff, R_24,R_28,M_16,0,0,0 },
278 	[INSTR_RRF_R0RR]  = { 0xff, R_24,R_16,R_28,0,0,0 },
279 	[INSTR_RRF_R0RR2] = { 0xff, R_24,R_28,R_16,0,0,0 },
280 	[INSTR_RRF_RMRR]  = { 0xff, R_24,R_16,R_28,M_20,0,0 },
281 	[INSTR_RRF_RURR]  = { 0xff, R_24,R_28,R_16,U4_20,0,0 },
282 	[INSTR_RRF_U0FF]  = { 0xff, F_24,U4_16,F_28,0,0,0 },
283 	[INSTR_RRF_U0RF]  = { 0xff, R_24,U4_16,F_28,0,0,0 },
284 	[INSTR_RRF_U0RR]  = { 0xff, R_24,R_28,U4_16,0,0,0 },
285 	[INSTR_RRF_UUFF]  = { 0xff, F_24,U4_16,F_28,U4_20,0,0 },
286 	[INSTR_RRF_UUFR]  = { 0xff, F_24,U4_16,R_28,U4_20,0,0 },
287 	[INSTR_RRF_UURF]  = { 0xff, R_24,U4_16,F_28,U4_20,0,0 },
288 	[INSTR_RRR_F0FF]  = { 0xff, F_24,F_28,F_16,0,0,0 },
289 	[INSTR_RRS_RRRDU] = { 0xff, R_8,R_12,U4_32,D_20,B_16,0 },
290 	[INSTR_RR_FF]	  = { 0xff, F_8,F_12,0,0,0,0 },
291 	[INSTR_RR_R0]	  = { 0xff, R_8, 0,0,0,0,0 },
292 	[INSTR_RR_RR]	  = { 0xff, R_8,R_12,0,0,0,0 },
293 	[INSTR_RR_U0]	  = { 0xff, U8_8, 0,0,0,0,0 },
294 	[INSTR_RR_UR]	  = { 0xff, U4_8,R_12,0,0,0,0 },
295 	[INSTR_RSE_CCRD]  = { 0xff, C_8,C_12,D_20,B_16,0,0 },
296 	[INSTR_RSE_RRRD]  = { 0xff, R_8,R_12,D_20,B_16,0,0 },
297 	[INSTR_RSE_RURD]  = { 0xff, R_8,U4_12,D_20,B_16,0,0 },
298 	[INSTR_RSI_RRP]	  = { 0xff, R_8,R_12,J16_16,0,0,0 },
299 	[INSTR_RSL_LRDFU] = { 0xff, F_32,D_20,L4_8,B_16,U4_36,0 },
300 	[INSTR_RSL_R0RD]  = { 0xff, D_20,L4_8,B_16,0,0,0 },
301 	[INSTR_RSY_AARD]  = { 0xff, A_8,A_12,D20_20,B_16,0,0 },
302 	[INSTR_RSY_CCRD]  = { 0xff, C_8,C_12,D20_20,B_16,0,0 },
303 	[INSTR_RSY_RDRM]  = { 0xff, R_8,D20_20,B_16,U4_12,0,0 },
304 	[INSTR_RSY_RMRD]  = { 0xff, R_8,U4_12,D20_20,B_16,0,0 },
305 	[INSTR_RSY_RRRD]  = { 0xff, R_8,R_12,D20_20,B_16,0,0 },
306 	[INSTR_RSY_RURD]  = { 0xff, R_8,U4_12,D20_20,B_16,0,0 },
307 	[INSTR_RS_AARD]	  = { 0xff, A_8,A_12,D_20,B_16,0,0 },
308 	[INSTR_RS_CCRD]	  = { 0xff, C_8,C_12,D_20,B_16,0,0 },
309 	[INSTR_RS_R0RD]	  = { 0xff, R_8,D_20,B_16,0,0,0 },
310 	[INSTR_RS_RRRD]	  = { 0xff, R_8,R_12,D_20,B_16,0,0 },
311 	[INSTR_RS_RURD]	  = { 0xff, R_8,U4_12,D_20,B_16,0,0 },
312 	[INSTR_RXE_FRRD]  = { 0xff, F_8,D_20,X_12,B_16,0,0 },
313 	[INSTR_RXE_RRRD]  = { 0xff, R_8,D_20,X_12,B_16,0,0 },
314 	[INSTR_RXE_RRRDM] = { 0xff, R_8,D_20,X_12,B_16,M_32,0 },
315 	[INSTR_RXF_FRRDF] = { 0xff, F_32,F_8,D_20,X_12,B_16,0 },
316 	[INSTR_RXY_FRRD]  = { 0xff, F_8,D20_20,X_12,B_16,0,0 },
317 	[INSTR_RXY_RRRD]  = { 0xff, R_8,D20_20,X_12,B_16,0,0 },
318 	[INSTR_RXY_URRD]  = { 0xff, U4_8,D20_20,X_12,B_16,0,0 },
319 	[INSTR_RX_FRRD]	  = { 0xff, F_8,D_20,X_12,B_16,0,0 },
320 	[INSTR_RX_RRRD]	  = { 0xff, R_8,D_20,X_12,B_16,0,0 },
321 	[INSTR_RX_URRD]	  = { 0xff, U4_8,D_20,X_12,B_16,0,0 },
322 	[INSTR_SIL_RDI]   = { 0xff, D_20,B_16,I16_32,0,0,0 },
323 	[INSTR_SIL_RDU]   = { 0xff, D_20,B_16,U16_32,0,0,0 },
324 	[INSTR_SIY_IRD]   = { 0xff, D20_20,B_16,I8_8,0,0,0 },
325 	[INSTR_SIY_URD]	  = { 0xff, D20_20,B_16,U8_8,0,0,0 },
326 	[INSTR_SI_URD]	  = { 0xff, D_20,B_16,U8_8,0,0,0 },
327 	[INSTR_SMI_U0RDP] = { 0xff, U4_8,J16_32,D_20,B_16,0,0 },
328 	[INSTR_SSE_RDRD]  = { 0xff, D_20,B_16,D_36,B_32,0,0 },
329 	[INSTR_SSF_RRDRD] = { 0x0f, D_20,B_16,D_36,B_32,R_8,0 },
330 	[INSTR_SSF_RRDRD2]= { 0x0f, R_8,D_20,B_16,D_36,B_32,0 },
331 	[INSTR_SS_L0RDRD] = { 0xff, D_20,L8_8,B_16,D_36,B_32,0 },
332 	[INSTR_SS_LIRDRD] = { 0xff, D_20,L4_8,B_16,D_36,B_32,U4_12 },
333 	[INSTR_SS_LLRDRD] = { 0xff, D_20,L4_8,B_16,D_36,L4_12,B_32 },
334 	[INSTR_SS_RRRDRD2]= { 0xff, R_8,D_20,B_16,R_12,D_36,B_32 },
335 	[INSTR_SS_RRRDRD3]= { 0xff, R_8,R_12,D_20,B_16,D_36,B_32 },
336 	[INSTR_SS_RRRDRD] = { 0xff, D_20,R_8,B_16,D_36,B_32,R_12 },
337 	[INSTR_S_00]	  = { 0xff, 0,0,0,0,0,0 },
338 	[INSTR_S_RD]	  = { 0xff, D_20,B_16,0,0,0,0 },
339 	[INSTR_VRI_V0IM]  = { 0xff, V_8,I16_16,M_32,0,0,0 },
340 	[INSTR_VRI_V0I0]  = { 0xff, V_8,I16_16,0,0,0,0 },
341 	[INSTR_VRI_V0IIM] = { 0xff, V_8,I8_16,I8_24,M_32,0,0 },
342 	[INSTR_VRI_VVIM]  = { 0xff, V_8,I16_16,V_12,M_32,0,0 },
343 	[INSTR_VRI_VVV0IM]= { 0xff, V_8,V_12,V_16,I8_24,M_32,0 },
344 	[INSTR_VRI_VVV0I0]= { 0xff, V_8,V_12,V_16,I8_24,0,0 },
345 	[INSTR_VRI_VVIMM] = { 0xff, V_8,V_12,I16_16,M_32,M_28,0 },
346 	[INSTR_VRR_VV00MMM]={ 0xff, V_8,V_12,M_32,M_28,M_24,0 },
347 	[INSTR_VRR_VV000MM]={ 0xff, V_8,V_12,M_32,M_28,0,0 },
348 	[INSTR_VRR_VV0000M]={ 0xff, V_8,V_12,M_32,0,0,0 },
349 	[INSTR_VRR_VV00000]={ 0xff, V_8,V_12,0,0,0,0 },
350 	[INSTR_VRR_VVV0M0M]={ 0xff, V_8,V_12,V_16,M_32,M_24,0 },
351 	[INSTR_VRR_VV00M0M]={ 0xff, V_8,V_12,M_32,M_24,0,0 },
352 	[INSTR_VRR_VVV000M]={ 0xff, V_8,V_12,V_16,M_32,0,0 },
353 	[INSTR_VRR_VVV000V]={ 0xff, V_8,V_12,V_16,V_32,0,0 },
354 	[INSTR_VRR_VVV0000]={ 0xff, V_8,V_12,V_16,0,0,0 },
355 	[INSTR_VRR_VVV0MMM]={ 0xff, V_8,V_12,V_16,M_32,M_28,M_24 },
356 	[INSTR_VRR_VVV00MM]={ 0xff, V_8,V_12,V_16,M_32,M_28,0 },
357 	[INSTR_VRR_VVVMM0V]={ 0xff, V_8,V_12,V_16,V_32,M_20,M_24 },
358 	[INSTR_VRR_VVVM0MV]={ 0xff, V_8,V_12,V_16,V_32,M_28,M_20 },
359 	[INSTR_VRR_VVVM00V]={ 0xff, V_8,V_12,V_16,V_32,M_20,0 },
360 	[INSTR_VRR_VRR0000]={ 0xff, V_8,R_12,R_16,0,0,0 },
361 	[INSTR_VRS_VVRDM] = { 0xff, V_8,V_12,D_20,B_16,M_32,0 },
362 	[INSTR_VRS_VVRD0] = { 0xff, V_8,V_12,D_20,B_16,0,0 },
363 	[INSTR_VRS_VRRDM] = { 0xff, V_8,R_12,D_20,B_16,M_32,0 },
364 	[INSTR_VRS_VRRD0] = { 0xff, V_8,R_12,D_20,B_16,0,0 },
365 	[INSTR_VRS_RVRDM] = { 0xff, R_8,V_12,D_20,B_16,M_32,0 },
366 	[INSTR_VRV_VVRDM] = { 0xff, V_8,V_12,D_20,B_16,M_32,0 },
367 	[INSTR_VRV_VWRDM] = { 0xff, V_8,D_20,W_12,B_16,M_32,0 },
368 	[INSTR_VRX_VRRDM] = { 0xff, V_8,D_20,X_12,B_16,M_32,0 },
369 	[INSTR_VRX_VRRD0] = { 0xff, V_8,D_20,X_12,B_16,0,0 },
370 };
371 
372 enum {
373 	LONG_INSN_ALGHSIK,
374 	LONG_INSN_ALHHHR,
375 	LONG_INSN_ALHHLR,
376 	LONG_INSN_ALHSIK,
377 	LONG_INSN_ALSIHN,
378 	LONG_INSN_CDFBRA,
379 	LONG_INSN_CDGBRA,
380 	LONG_INSN_CDGTRA,
381 	LONG_INSN_CDLFBR,
382 	LONG_INSN_CDLFTR,
383 	LONG_INSN_CDLGBR,
384 	LONG_INSN_CDLGTR,
385 	LONG_INSN_CEFBRA,
386 	LONG_INSN_CEGBRA,
387 	LONG_INSN_CELFBR,
388 	LONG_INSN_CELGBR,
389 	LONG_INSN_CFDBRA,
390 	LONG_INSN_CFEBRA,
391 	LONG_INSN_CFXBRA,
392 	LONG_INSN_CGDBRA,
393 	LONG_INSN_CGDTRA,
394 	LONG_INSN_CGEBRA,
395 	LONG_INSN_CGXBRA,
396 	LONG_INSN_CGXTRA,
397 	LONG_INSN_CLFDBR,
398 	LONG_INSN_CLFDTR,
399 	LONG_INSN_CLFEBR,
400 	LONG_INSN_CLFHSI,
401 	LONG_INSN_CLFXBR,
402 	LONG_INSN_CLFXTR,
403 	LONG_INSN_CLGDBR,
404 	LONG_INSN_CLGDTR,
405 	LONG_INSN_CLGEBR,
406 	LONG_INSN_CLGFRL,
407 	LONG_INSN_CLGHRL,
408 	LONG_INSN_CLGHSI,
409 	LONG_INSN_CLGXBR,
410 	LONG_INSN_CLGXTR,
411 	LONG_INSN_CLHHSI,
412 	LONG_INSN_CXFBRA,
413 	LONG_INSN_CXGBRA,
414 	LONG_INSN_CXGTRA,
415 	LONG_INSN_CXLFBR,
416 	LONG_INSN_CXLFTR,
417 	LONG_INSN_CXLGBR,
418 	LONG_INSN_CXLGTR,
419 	LONG_INSN_FIDBRA,
420 	LONG_INSN_FIEBRA,
421 	LONG_INSN_FIXBRA,
422 	LONG_INSN_LDXBRA,
423 	LONG_INSN_LEDBRA,
424 	LONG_INSN_LEXBRA,
425 	LONG_INSN_LLGFAT,
426 	LONG_INSN_LLGFRL,
427 	LONG_INSN_LLGHRL,
428 	LONG_INSN_LLGTAT,
429 	LONG_INSN_POPCNT,
430 	LONG_INSN_RIEMIT,
431 	LONG_INSN_RINEXT,
432 	LONG_INSN_RISBGN,
433 	LONG_INSN_RISBHG,
434 	LONG_INSN_RISBLG,
435 	LONG_INSN_SLHHHR,
436 	LONG_INSN_SLHHLR,
437 	LONG_INSN_TABORT,
438 	LONG_INSN_TBEGIN,
439 	LONG_INSN_TBEGINC,
440 	LONG_INSN_PCISTG,
441 	LONG_INSN_MPCIFC,
442 	LONG_INSN_STPCIFC,
443 	LONG_INSN_PCISTB,
444 	LONG_INSN_VPOPCT,
445 	LONG_INSN_VERLLV,
446 	LONG_INSN_VESRAV,
447 	LONG_INSN_VESRLV,
448 	LONG_INSN_VSBCBI,
449 	LONG_INSN_STCCTM
450 };
451 
452 static char *long_insn_name[] = {
453 	[LONG_INSN_ALGHSIK] = "alghsik",
454 	[LONG_INSN_ALHHHR] = "alhhhr",
455 	[LONG_INSN_ALHHLR] = "alhhlr",
456 	[LONG_INSN_ALHSIK] = "alhsik",
457 	[LONG_INSN_ALSIHN] = "alsihn",
458 	[LONG_INSN_CDFBRA] = "cdfbra",
459 	[LONG_INSN_CDGBRA] = "cdgbra",
460 	[LONG_INSN_CDGTRA] = "cdgtra",
461 	[LONG_INSN_CDLFBR] = "cdlfbr",
462 	[LONG_INSN_CDLFTR] = "cdlftr",
463 	[LONG_INSN_CDLGBR] = "cdlgbr",
464 	[LONG_INSN_CDLGTR] = "cdlgtr",
465 	[LONG_INSN_CEFBRA] = "cefbra",
466 	[LONG_INSN_CEGBRA] = "cegbra",
467 	[LONG_INSN_CELFBR] = "celfbr",
468 	[LONG_INSN_CELGBR] = "celgbr",
469 	[LONG_INSN_CFDBRA] = "cfdbra",
470 	[LONG_INSN_CFEBRA] = "cfebra",
471 	[LONG_INSN_CFXBRA] = "cfxbra",
472 	[LONG_INSN_CGDBRA] = "cgdbra",
473 	[LONG_INSN_CGDTRA] = "cgdtra",
474 	[LONG_INSN_CGEBRA] = "cgebra",
475 	[LONG_INSN_CGXBRA] = "cgxbra",
476 	[LONG_INSN_CGXTRA] = "cgxtra",
477 	[LONG_INSN_CLFDBR] = "clfdbr",
478 	[LONG_INSN_CLFDTR] = "clfdtr",
479 	[LONG_INSN_CLFEBR] = "clfebr",
480 	[LONG_INSN_CLFHSI] = "clfhsi",
481 	[LONG_INSN_CLFXBR] = "clfxbr",
482 	[LONG_INSN_CLFXTR] = "clfxtr",
483 	[LONG_INSN_CLGDBR] = "clgdbr",
484 	[LONG_INSN_CLGDTR] = "clgdtr",
485 	[LONG_INSN_CLGEBR] = "clgebr",
486 	[LONG_INSN_CLGFRL] = "clgfrl",
487 	[LONG_INSN_CLGHRL] = "clghrl",
488 	[LONG_INSN_CLGHSI] = "clghsi",
489 	[LONG_INSN_CLGXBR] = "clgxbr",
490 	[LONG_INSN_CLGXTR] = "clgxtr",
491 	[LONG_INSN_CLHHSI] = "clhhsi",
492 	[LONG_INSN_CXFBRA] = "cxfbra",
493 	[LONG_INSN_CXGBRA] = "cxgbra",
494 	[LONG_INSN_CXGTRA] = "cxgtra",
495 	[LONG_INSN_CXLFBR] = "cxlfbr",
496 	[LONG_INSN_CXLFTR] = "cxlftr",
497 	[LONG_INSN_CXLGBR] = "cxlgbr",
498 	[LONG_INSN_CXLGTR] = "cxlgtr",
499 	[LONG_INSN_FIDBRA] = "fidbra",
500 	[LONG_INSN_FIEBRA] = "fiebra",
501 	[LONG_INSN_FIXBRA] = "fixbra",
502 	[LONG_INSN_LDXBRA] = "ldxbra",
503 	[LONG_INSN_LEDBRA] = "ledbra",
504 	[LONG_INSN_LEXBRA] = "lexbra",
505 	[LONG_INSN_LLGFAT] = "llgfat",
506 	[LONG_INSN_LLGFRL] = "llgfrl",
507 	[LONG_INSN_LLGHRL] = "llghrl",
508 	[LONG_INSN_LLGTAT] = "llgtat",
509 	[LONG_INSN_POPCNT] = "popcnt",
510 	[LONG_INSN_RIEMIT] = "riemit",
511 	[LONG_INSN_RINEXT] = "rinext",
512 	[LONG_INSN_RISBGN] = "risbgn",
513 	[LONG_INSN_RISBHG] = "risbhg",
514 	[LONG_INSN_RISBLG] = "risblg",
515 	[LONG_INSN_SLHHHR] = "slhhhr",
516 	[LONG_INSN_SLHHLR] = "slhhlr",
517 	[LONG_INSN_TABORT] = "tabort",
518 	[LONG_INSN_TBEGIN] = "tbegin",
519 	[LONG_INSN_TBEGINC] = "tbeginc",
520 	[LONG_INSN_PCISTG] = "pcistg",
521 	[LONG_INSN_MPCIFC] = "mpcifc",
522 	[LONG_INSN_STPCIFC] = "stpcifc",
523 	[LONG_INSN_PCISTB] = "pcistb",
524 	[LONG_INSN_VPOPCT] = "vpopct",
525 	[LONG_INSN_VERLLV] = "verllv",
526 	[LONG_INSN_VESRAV] = "vesrav",
527 	[LONG_INSN_VESRLV] = "vesrlv",
528 	[LONG_INSN_VSBCBI] = "vsbcbi",
529 	[LONG_INSN_STCCTM] = "stcctm",
530 };
531 
532 static struct s390_insn opcode[] = {
533 	{ "bprp", 0xc5, INSTR_MII_UPI },
534 	{ "bpp", 0xc7, INSTR_SMI_U0RDP },
535 	{ "trtr", 0xd0, INSTR_SS_L0RDRD },
536 	{ "lmd", 0xef, INSTR_SS_RRRDRD3 },
537 	{ "spm", 0x04, INSTR_RR_R0 },
538 	{ "balr", 0x05, INSTR_RR_RR },
539 	{ "bctr", 0x06, INSTR_RR_RR },
540 	{ "bcr", 0x07, INSTR_RR_UR },
541 	{ "svc", 0x0a, INSTR_RR_U0 },
542 	{ "bsm", 0x0b, INSTR_RR_RR },
543 	{ "bassm", 0x0c, INSTR_RR_RR },
544 	{ "basr", 0x0d, INSTR_RR_RR },
545 	{ "mvcl", 0x0e, INSTR_RR_RR },
546 	{ "clcl", 0x0f, INSTR_RR_RR },
547 	{ "lpr", 0x10, INSTR_RR_RR },
548 	{ "lnr", 0x11, INSTR_RR_RR },
549 	{ "ltr", 0x12, INSTR_RR_RR },
550 	{ "lcr", 0x13, INSTR_RR_RR },
551 	{ "nr", 0x14, INSTR_RR_RR },
552 	{ "clr", 0x15, INSTR_RR_RR },
553 	{ "or", 0x16, INSTR_RR_RR },
554 	{ "xr", 0x17, INSTR_RR_RR },
555 	{ "lr", 0x18, INSTR_RR_RR },
556 	{ "cr", 0x19, INSTR_RR_RR },
557 	{ "ar", 0x1a, INSTR_RR_RR },
558 	{ "sr", 0x1b, INSTR_RR_RR },
559 	{ "mr", 0x1c, INSTR_RR_RR },
560 	{ "dr", 0x1d, INSTR_RR_RR },
561 	{ "alr", 0x1e, INSTR_RR_RR },
562 	{ "slr", 0x1f, INSTR_RR_RR },
563 	{ "lpdr", 0x20, INSTR_RR_FF },
564 	{ "lndr", 0x21, INSTR_RR_FF },
565 	{ "ltdr", 0x22, INSTR_RR_FF },
566 	{ "lcdr", 0x23, INSTR_RR_FF },
567 	{ "hdr", 0x24, INSTR_RR_FF },
568 	{ "ldxr", 0x25, INSTR_RR_FF },
569 	{ "mxr", 0x26, INSTR_RR_FF },
570 	{ "mxdr", 0x27, INSTR_RR_FF },
571 	{ "ldr", 0x28, INSTR_RR_FF },
572 	{ "cdr", 0x29, INSTR_RR_FF },
573 	{ "adr", 0x2a, INSTR_RR_FF },
574 	{ "sdr", 0x2b, INSTR_RR_FF },
575 	{ "mdr", 0x2c, INSTR_RR_FF },
576 	{ "ddr", 0x2d, INSTR_RR_FF },
577 	{ "awr", 0x2e, INSTR_RR_FF },
578 	{ "swr", 0x2f, INSTR_RR_FF },
579 	{ "lper", 0x30, INSTR_RR_FF },
580 	{ "lner", 0x31, INSTR_RR_FF },
581 	{ "lter", 0x32, INSTR_RR_FF },
582 	{ "lcer", 0x33, INSTR_RR_FF },
583 	{ "her", 0x34, INSTR_RR_FF },
584 	{ "ledr", 0x35, INSTR_RR_FF },
585 	{ "axr", 0x36, INSTR_RR_FF },
586 	{ "sxr", 0x37, INSTR_RR_FF },
587 	{ "ler", 0x38, INSTR_RR_FF },
588 	{ "cer", 0x39, INSTR_RR_FF },
589 	{ "aer", 0x3a, INSTR_RR_FF },
590 	{ "ser", 0x3b, INSTR_RR_FF },
591 	{ "mder", 0x3c, INSTR_RR_FF },
592 	{ "der", 0x3d, INSTR_RR_FF },
593 	{ "aur", 0x3e, INSTR_RR_FF },
594 	{ "sur", 0x3f, INSTR_RR_FF },
595 	{ "sth", 0x40, INSTR_RX_RRRD },
596 	{ "la", 0x41, INSTR_RX_RRRD },
597 	{ "stc", 0x42, INSTR_RX_RRRD },
598 	{ "ic", 0x43, INSTR_RX_RRRD },
599 	{ "ex", 0x44, INSTR_RX_RRRD },
600 	{ "bal", 0x45, INSTR_RX_RRRD },
601 	{ "bct", 0x46, INSTR_RX_RRRD },
602 	{ "bc", 0x47, INSTR_RX_URRD },
603 	{ "lh", 0x48, INSTR_RX_RRRD },
604 	{ "ch", 0x49, INSTR_RX_RRRD },
605 	{ "ah", 0x4a, INSTR_RX_RRRD },
606 	{ "sh", 0x4b, INSTR_RX_RRRD },
607 	{ "mh", 0x4c, INSTR_RX_RRRD },
608 	{ "bas", 0x4d, INSTR_RX_RRRD },
609 	{ "cvd", 0x4e, INSTR_RX_RRRD },
610 	{ "cvb", 0x4f, INSTR_RX_RRRD },
611 	{ "st", 0x50, INSTR_RX_RRRD },
612 	{ "lae", 0x51, INSTR_RX_RRRD },
613 	{ "n", 0x54, INSTR_RX_RRRD },
614 	{ "cl", 0x55, INSTR_RX_RRRD },
615 	{ "o", 0x56, INSTR_RX_RRRD },
616 	{ "x", 0x57, INSTR_RX_RRRD },
617 	{ "l", 0x58, INSTR_RX_RRRD },
618 	{ "c", 0x59, INSTR_RX_RRRD },
619 	{ "a", 0x5a, INSTR_RX_RRRD },
620 	{ "s", 0x5b, INSTR_RX_RRRD },
621 	{ "m", 0x5c, INSTR_RX_RRRD },
622 	{ "d", 0x5d, INSTR_RX_RRRD },
623 	{ "al", 0x5e, INSTR_RX_RRRD },
624 	{ "sl", 0x5f, INSTR_RX_RRRD },
625 	{ "std", 0x60, INSTR_RX_FRRD },
626 	{ "mxd", 0x67, INSTR_RX_FRRD },
627 	{ "ld", 0x68, INSTR_RX_FRRD },
628 	{ "cd", 0x69, INSTR_RX_FRRD },
629 	{ "ad", 0x6a, INSTR_RX_FRRD },
630 	{ "sd", 0x6b, INSTR_RX_FRRD },
631 	{ "md", 0x6c, INSTR_RX_FRRD },
632 	{ "dd", 0x6d, INSTR_RX_FRRD },
633 	{ "aw", 0x6e, INSTR_RX_FRRD },
634 	{ "sw", 0x6f, INSTR_RX_FRRD },
635 	{ "ste", 0x70, INSTR_RX_FRRD },
636 	{ "ms", 0x71, INSTR_RX_RRRD },
637 	{ "le", 0x78, INSTR_RX_FRRD },
638 	{ "ce", 0x79, INSTR_RX_FRRD },
639 	{ "ae", 0x7a, INSTR_RX_FRRD },
640 	{ "se", 0x7b, INSTR_RX_FRRD },
641 	{ "mde", 0x7c, INSTR_RX_FRRD },
642 	{ "de", 0x7d, INSTR_RX_FRRD },
643 	{ "au", 0x7e, INSTR_RX_FRRD },
644 	{ "su", 0x7f, INSTR_RX_FRRD },
645 	{ "ssm", 0x80, INSTR_S_RD },
646 	{ "lpsw", 0x82, INSTR_S_RD },
647 	{ "diag", 0x83, INSTR_RS_RRRD },
648 	{ "brxh", 0x84, INSTR_RSI_RRP },
649 	{ "brxle", 0x85, INSTR_RSI_RRP },
650 	{ "bxh", 0x86, INSTR_RS_RRRD },
651 	{ "bxle", 0x87, INSTR_RS_RRRD },
652 	{ "srl", 0x88, INSTR_RS_R0RD },
653 	{ "sll", 0x89, INSTR_RS_R0RD },
654 	{ "sra", 0x8a, INSTR_RS_R0RD },
655 	{ "sla", 0x8b, INSTR_RS_R0RD },
656 	{ "srdl", 0x8c, INSTR_RS_R0RD },
657 	{ "sldl", 0x8d, INSTR_RS_R0RD },
658 	{ "srda", 0x8e, INSTR_RS_R0RD },
659 	{ "slda", 0x8f, INSTR_RS_R0RD },
660 	{ "stm", 0x90, INSTR_RS_RRRD },
661 	{ "tm", 0x91, INSTR_SI_URD },
662 	{ "mvi", 0x92, INSTR_SI_URD },
663 	{ "ts", 0x93, INSTR_S_RD },
664 	{ "ni", 0x94, INSTR_SI_URD },
665 	{ "cli", 0x95, INSTR_SI_URD },
666 	{ "oi", 0x96, INSTR_SI_URD },
667 	{ "xi", 0x97, INSTR_SI_URD },
668 	{ "lm", 0x98, INSTR_RS_RRRD },
669 	{ "trace", 0x99, INSTR_RS_RRRD },
670 	{ "lam", 0x9a, INSTR_RS_AARD },
671 	{ "stam", 0x9b, INSTR_RS_AARD },
672 	{ "mvcle", 0xa8, INSTR_RS_RRRD },
673 	{ "clcle", 0xa9, INSTR_RS_RRRD },
674 	{ "stnsm", 0xac, INSTR_SI_URD },
675 	{ "stosm", 0xad, INSTR_SI_URD },
676 	{ "sigp", 0xae, INSTR_RS_RRRD },
677 	{ "mc", 0xaf, INSTR_SI_URD },
678 	{ "lra", 0xb1, INSTR_RX_RRRD },
679 	{ "stctl", 0xb6, INSTR_RS_CCRD },
680 	{ "lctl", 0xb7, INSTR_RS_CCRD },
681 	{ "cs", 0xba, INSTR_RS_RRRD },
682 	{ "cds", 0xbb, INSTR_RS_RRRD },
683 	{ "clm", 0xbd, INSTR_RS_RURD },
684 	{ "stcm", 0xbe, INSTR_RS_RURD },
685 	{ "icm", 0xbf, INSTR_RS_RURD },
686 	{ "mvn", 0xd1, INSTR_SS_L0RDRD },
687 	{ "mvc", 0xd2, INSTR_SS_L0RDRD },
688 	{ "mvz", 0xd3, INSTR_SS_L0RDRD },
689 	{ "nc", 0xd4, INSTR_SS_L0RDRD },
690 	{ "clc", 0xd5, INSTR_SS_L0RDRD },
691 	{ "oc", 0xd6, INSTR_SS_L0RDRD },
692 	{ "xc", 0xd7, INSTR_SS_L0RDRD },
693 	{ "mvck", 0xd9, INSTR_SS_RRRDRD },
694 	{ "mvcp", 0xda, INSTR_SS_RRRDRD },
695 	{ "mvcs", 0xdb, INSTR_SS_RRRDRD },
696 	{ "tr", 0xdc, INSTR_SS_L0RDRD },
697 	{ "trt", 0xdd, INSTR_SS_L0RDRD },
698 	{ "ed", 0xde, INSTR_SS_L0RDRD },
699 	{ "edmk", 0xdf, INSTR_SS_L0RDRD },
700 	{ "pku", 0xe1, INSTR_SS_L0RDRD },
701 	{ "unpku", 0xe2, INSTR_SS_L0RDRD },
702 	{ "mvcin", 0xe8, INSTR_SS_L0RDRD },
703 	{ "pka", 0xe9, INSTR_SS_L0RDRD },
704 	{ "unpka", 0xea, INSTR_SS_L0RDRD },
705 	{ "plo", 0xee, INSTR_SS_RRRDRD2 },
706 	{ "srp", 0xf0, INSTR_SS_LIRDRD },
707 	{ "mvo", 0xf1, INSTR_SS_LLRDRD },
708 	{ "pack", 0xf2, INSTR_SS_LLRDRD },
709 	{ "unpk", 0xf3, INSTR_SS_LLRDRD },
710 	{ "zap", 0xf8, INSTR_SS_LLRDRD },
711 	{ "cp", 0xf9, INSTR_SS_LLRDRD },
712 	{ "ap", 0xfa, INSTR_SS_LLRDRD },
713 	{ "sp", 0xfb, INSTR_SS_LLRDRD },
714 	{ "mp", 0xfc, INSTR_SS_LLRDRD },
715 	{ "dp", 0xfd, INSTR_SS_LLRDRD },
716 	{ "", 0, INSTR_INVALID }
717 };
718 
719 static struct s390_insn opcode_01[] = {
720 	{ "ptff", 0x04, INSTR_E },
721 	{ "pfpo", 0x0a, INSTR_E },
722 	{ "sam64", 0x0e, INSTR_E },
723 	{ "pr", 0x01, INSTR_E },
724 	{ "upt", 0x02, INSTR_E },
725 	{ "sckpf", 0x07, INSTR_E },
726 	{ "tam", 0x0b, INSTR_E },
727 	{ "sam24", 0x0c, INSTR_E },
728 	{ "sam31", 0x0d, INSTR_E },
729 	{ "trap2", 0xff, INSTR_E },
730 	{ "", 0, INSTR_INVALID }
731 };
732 
733 static struct s390_insn opcode_a5[] = {
734 	{ "iihh", 0x00, INSTR_RI_RU },
735 	{ "iihl", 0x01, INSTR_RI_RU },
736 	{ "iilh", 0x02, INSTR_RI_RU },
737 	{ "iill", 0x03, INSTR_RI_RU },
738 	{ "nihh", 0x04, INSTR_RI_RU },
739 	{ "nihl", 0x05, INSTR_RI_RU },
740 	{ "nilh", 0x06, INSTR_RI_RU },
741 	{ "nill", 0x07, INSTR_RI_RU },
742 	{ "oihh", 0x08, INSTR_RI_RU },
743 	{ "oihl", 0x09, INSTR_RI_RU },
744 	{ "oilh", 0x0a, INSTR_RI_RU },
745 	{ "oill", 0x0b, INSTR_RI_RU },
746 	{ "llihh", 0x0c, INSTR_RI_RU },
747 	{ "llihl", 0x0d, INSTR_RI_RU },
748 	{ "llilh", 0x0e, INSTR_RI_RU },
749 	{ "llill", 0x0f, INSTR_RI_RU },
750 	{ "", 0, INSTR_INVALID }
751 };
752 
753 static struct s390_insn opcode_a7[] = {
754 	{ "tmhh", 0x02, INSTR_RI_RU },
755 	{ "tmhl", 0x03, INSTR_RI_RU },
756 	{ "brctg", 0x07, INSTR_RI_RP },
757 	{ "lghi", 0x09, INSTR_RI_RI },
758 	{ "aghi", 0x0b, INSTR_RI_RI },
759 	{ "mghi", 0x0d, INSTR_RI_RI },
760 	{ "cghi", 0x0f, INSTR_RI_RI },
761 	{ "tmlh", 0x00, INSTR_RI_RU },
762 	{ "tmll", 0x01, INSTR_RI_RU },
763 	{ "brc", 0x04, INSTR_RI_UP },
764 	{ "bras", 0x05, INSTR_RI_RP },
765 	{ "brct", 0x06, INSTR_RI_RP },
766 	{ "lhi", 0x08, INSTR_RI_RI },
767 	{ "ahi", 0x0a, INSTR_RI_RI },
768 	{ "mhi", 0x0c, INSTR_RI_RI },
769 	{ "chi", 0x0e, INSTR_RI_RI },
770 	{ "", 0, INSTR_INVALID }
771 };
772 
773 static struct s390_insn opcode_aa[] = {
774 	{ { 0, LONG_INSN_RINEXT }, 0x00, INSTR_RI_RI },
775 	{ "rion", 0x01, INSTR_RI_RI },
776 	{ "tric", 0x02, INSTR_RI_RI },
777 	{ "rioff", 0x03, INSTR_RI_RI },
778 	{ { 0, LONG_INSN_RIEMIT }, 0x04, INSTR_RI_RI },
779 	{ "", 0, INSTR_INVALID }
780 };
781 
782 static struct s390_insn opcode_b2[] = {
783 	{ "stckf", 0x7c, INSTR_S_RD },
784 	{ "lpp", 0x80, INSTR_S_RD },
785 	{ "lcctl", 0x84, INSTR_S_RD },
786 	{ "lpctl", 0x85, INSTR_S_RD },
787 	{ "qsi", 0x86, INSTR_S_RD },
788 	{ "lsctl", 0x87, INSTR_S_RD },
789 	{ "qctri", 0x8e, INSTR_S_RD },
790 	{ "stfle", 0xb0, INSTR_S_RD },
791 	{ "lpswe", 0xb2, INSTR_S_RD },
792 	{ "srnmb", 0xb8, INSTR_S_RD },
793 	{ "srnmt", 0xb9, INSTR_S_RD },
794 	{ "lfas", 0xbd, INSTR_S_RD },
795 	{ "scctr", 0xe0, INSTR_RRE_RR },
796 	{ "spctr", 0xe1, INSTR_RRE_RR },
797 	{ "ecctr", 0xe4, INSTR_RRE_RR },
798 	{ "epctr", 0xe5, INSTR_RRE_RR },
799 	{ "ppa", 0xe8, INSTR_RRF_U0RR },
800 	{ "etnd", 0xec, INSTR_RRE_R0 },
801 	{ "ecpga", 0xed, INSTR_RRE_RR },
802 	{ "tend", 0xf8, INSTR_S_00 },
803 	{ "niai", 0xfa, INSTR_IE_UU },
804 	{ { 0, LONG_INSN_TABORT }, 0xfc, INSTR_S_RD },
805 	{ "stidp", 0x02, INSTR_S_RD },
806 	{ "sck", 0x04, INSTR_S_RD },
807 	{ "stck", 0x05, INSTR_S_RD },
808 	{ "sckc", 0x06, INSTR_S_RD },
809 	{ "stckc", 0x07, INSTR_S_RD },
810 	{ "spt", 0x08, INSTR_S_RD },
811 	{ "stpt", 0x09, INSTR_S_RD },
812 	{ "spka", 0x0a, INSTR_S_RD },
813 	{ "ipk", 0x0b, INSTR_S_00 },
814 	{ "ptlb", 0x0d, INSTR_S_00 },
815 	{ "spx", 0x10, INSTR_S_RD },
816 	{ "stpx", 0x11, INSTR_S_RD },
817 	{ "stap", 0x12, INSTR_S_RD },
818 	{ "sie", 0x14, INSTR_S_RD },
819 	{ "pc", 0x18, INSTR_S_RD },
820 	{ "sac", 0x19, INSTR_S_RD },
821 	{ "cfc", 0x1a, INSTR_S_RD },
822 	{ "servc", 0x20, INSTR_RRE_RR },
823 	{ "ipte", 0x21, INSTR_RRE_RR },
824 	{ "ipm", 0x22, INSTR_RRE_R0 },
825 	{ "ivsk", 0x23, INSTR_RRE_RR },
826 	{ "iac", 0x24, INSTR_RRE_R0 },
827 	{ "ssar", 0x25, INSTR_RRE_R0 },
828 	{ "epar", 0x26, INSTR_RRE_R0 },
829 	{ "esar", 0x27, INSTR_RRE_R0 },
830 	{ "pt", 0x28, INSTR_RRE_RR },
831 	{ "iske", 0x29, INSTR_RRE_RR },
832 	{ "rrbe", 0x2a, INSTR_RRE_RR },
833 	{ "sske", 0x2b, INSTR_RRF_M0RR },
834 	{ "tb", 0x2c, INSTR_RRE_0R },
835 	{ "dxr", 0x2d, INSTR_RRE_FF },
836 	{ "pgin", 0x2e, INSTR_RRE_RR },
837 	{ "pgout", 0x2f, INSTR_RRE_RR },
838 	{ "csch", 0x30, INSTR_S_00 },
839 	{ "hsch", 0x31, INSTR_S_00 },
840 	{ "msch", 0x32, INSTR_S_RD },
841 	{ "ssch", 0x33, INSTR_S_RD },
842 	{ "stsch", 0x34, INSTR_S_RD },
843 	{ "tsch", 0x35, INSTR_S_RD },
844 	{ "tpi", 0x36, INSTR_S_RD },
845 	{ "sal", 0x37, INSTR_S_00 },
846 	{ "rsch", 0x38, INSTR_S_00 },
847 	{ "stcrw", 0x39, INSTR_S_RD },
848 	{ "stcps", 0x3a, INSTR_S_RD },
849 	{ "rchp", 0x3b, INSTR_S_00 },
850 	{ "schm", 0x3c, INSTR_S_00 },
851 	{ "bakr", 0x40, INSTR_RRE_RR },
852 	{ "cksm", 0x41, INSTR_RRE_RR },
853 	{ "sqdr", 0x44, INSTR_RRE_FF },
854 	{ "sqer", 0x45, INSTR_RRE_FF },
855 	{ "stura", 0x46, INSTR_RRE_RR },
856 	{ "msta", 0x47, INSTR_RRE_R0 },
857 	{ "palb", 0x48, INSTR_RRE_00 },
858 	{ "ereg", 0x49, INSTR_RRE_RR },
859 	{ "esta", 0x4a, INSTR_RRE_RR },
860 	{ "lura", 0x4b, INSTR_RRE_RR },
861 	{ "tar", 0x4c, INSTR_RRE_AR },
862 	{ "cpya", 0x4d, INSTR_RRE_AA },
863 	{ "sar", 0x4e, INSTR_RRE_AR },
864 	{ "ear", 0x4f, INSTR_RRE_RA },
865 	{ "csp", 0x50, INSTR_RRE_RR },
866 	{ "msr", 0x52, INSTR_RRE_RR },
867 	{ "mvpg", 0x54, INSTR_RRE_RR },
868 	{ "mvst", 0x55, INSTR_RRE_RR },
869 	{ "cuse", 0x57, INSTR_RRE_RR },
870 	{ "bsg", 0x58, INSTR_RRE_RR },
871 	{ "bsa", 0x5a, INSTR_RRE_RR },
872 	{ "clst", 0x5d, INSTR_RRE_RR },
873 	{ "srst", 0x5e, INSTR_RRE_RR },
874 	{ "cmpsc", 0x63, INSTR_RRE_RR },
875 	{ "siga", 0x74, INSTR_S_RD },
876 	{ "xsch", 0x76, INSTR_S_00 },
877 	{ "rp", 0x77, INSTR_S_RD },
878 	{ "stcke", 0x78, INSTR_S_RD },
879 	{ "sacf", 0x79, INSTR_S_RD },
880 	{ "stsi", 0x7d, INSTR_S_RD },
881 	{ "srnm", 0x99, INSTR_S_RD },
882 	{ "stfpc", 0x9c, INSTR_S_RD },
883 	{ "lfpc", 0x9d, INSTR_S_RD },
884 	{ "tre", 0xa5, INSTR_RRE_RR },
885 	{ "cuutf", 0xa6, INSTR_RRF_M0RR },
886 	{ "cutfu", 0xa7, INSTR_RRF_M0RR },
887 	{ "stfl", 0xb1, INSTR_S_RD },
888 	{ "trap4", 0xff, INSTR_S_RD },
889 	{ "", 0, INSTR_INVALID }
890 };
891 
892 static struct s390_insn opcode_b3[] = {
893 	{ "maylr", 0x38, INSTR_RRF_F0FF },
894 	{ "mylr", 0x39, INSTR_RRF_F0FF },
895 	{ "mayr", 0x3a, INSTR_RRF_F0FF },
896 	{ "myr", 0x3b, INSTR_RRF_F0FF },
897 	{ "mayhr", 0x3c, INSTR_RRF_F0FF },
898 	{ "myhr", 0x3d, INSTR_RRF_F0FF },
899 	{ "lpdfr", 0x70, INSTR_RRE_FF },
900 	{ "lndfr", 0x71, INSTR_RRE_FF },
901 	{ "cpsdr", 0x72, INSTR_RRF_F0FF2 },
902 	{ "lcdfr", 0x73, INSTR_RRE_FF },
903 	{ "sfasr", 0x85, INSTR_RRE_R0 },
904 	{ { 0, LONG_INSN_CELFBR }, 0x90, INSTR_RRF_UUFR },
905 	{ { 0, LONG_INSN_CDLFBR }, 0x91, INSTR_RRF_UUFR },
906 	{ { 0, LONG_INSN_CXLFBR }, 0x92, INSTR_RRF_UURF },
907 	{ { 0, LONG_INSN_CEFBRA }, 0x94, INSTR_RRF_UUFR },
908 	{ { 0, LONG_INSN_CDFBRA }, 0x95, INSTR_RRF_UUFR },
909 	{ { 0, LONG_INSN_CXFBRA }, 0x96, INSTR_RRF_UURF },
910 	{ { 0, LONG_INSN_CFEBRA }, 0x98, INSTR_RRF_UURF },
911 	{ { 0, LONG_INSN_CFDBRA }, 0x99, INSTR_RRF_UURF },
912 	{ { 0, LONG_INSN_CFXBRA }, 0x9a, INSTR_RRF_UUFR },
913 	{ { 0, LONG_INSN_CLFEBR }, 0x9c, INSTR_RRF_UURF },
914 	{ { 0, LONG_INSN_CLFDBR }, 0x9d, INSTR_RRF_UURF },
915 	{ { 0, LONG_INSN_CLFXBR }, 0x9e, INSTR_RRF_UUFR },
916 	{ { 0, LONG_INSN_CELGBR }, 0xa0, INSTR_RRF_UUFR },
917 	{ { 0, LONG_INSN_CDLGBR }, 0xa1, INSTR_RRF_UUFR },
918 	{ { 0, LONG_INSN_CXLGBR }, 0xa2, INSTR_RRF_UURF },
919 	{ { 0, LONG_INSN_CEGBRA }, 0xa4, INSTR_RRF_UUFR },
920 	{ { 0, LONG_INSN_CDGBRA }, 0xa5, INSTR_RRF_UUFR },
921 	{ { 0, LONG_INSN_CXGBRA }, 0xa6, INSTR_RRF_UURF },
922 	{ { 0, LONG_INSN_CGEBRA }, 0xa8, INSTR_RRF_UURF },
923 	{ { 0, LONG_INSN_CGDBRA }, 0xa9, INSTR_RRF_UURF },
924 	{ { 0, LONG_INSN_CGXBRA }, 0xaa, INSTR_RRF_UUFR },
925 	{ { 0, LONG_INSN_CLGEBR }, 0xac, INSTR_RRF_UURF },
926 	{ { 0, LONG_INSN_CLGDBR }, 0xad, INSTR_RRF_UURF },
927 	{ { 0, LONG_INSN_CLGXBR }, 0xae, INSTR_RRF_UUFR },
928 	{ "ldgr", 0xc1, INSTR_RRE_FR },
929 	{ "cegr", 0xc4, INSTR_RRE_FR },
930 	{ "cdgr", 0xc5, INSTR_RRE_FR },
931 	{ "cxgr", 0xc6, INSTR_RRE_FR },
932 	{ "cger", 0xc8, INSTR_RRF_U0RF },
933 	{ "cgdr", 0xc9, INSTR_RRF_U0RF },
934 	{ "cgxr", 0xca, INSTR_RRF_U0RF },
935 	{ "lgdr", 0xcd, INSTR_RRE_RF },
936 	{ "mdtra", 0xd0, INSTR_RRF_FUFF2 },
937 	{ "ddtra", 0xd1, INSTR_RRF_FUFF2 },
938 	{ "adtra", 0xd2, INSTR_RRF_FUFF2 },
939 	{ "sdtra", 0xd3, INSTR_RRF_FUFF2 },
940 	{ "ldetr", 0xd4, INSTR_RRF_0UFF },
941 	{ "ledtr", 0xd5, INSTR_RRF_UUFF },
942 	{ "ltdtr", 0xd6, INSTR_RRE_FF },
943 	{ "fidtr", 0xd7, INSTR_RRF_UUFF },
944 	{ "mxtra", 0xd8, INSTR_RRF_FUFF2 },
945 	{ "dxtra", 0xd9, INSTR_RRF_FUFF2 },
946 	{ "axtra", 0xda, INSTR_RRF_FUFF2 },
947 	{ "sxtra", 0xdb, INSTR_RRF_FUFF2 },
948 	{ "lxdtr", 0xdc, INSTR_RRF_0UFF },
949 	{ "ldxtr", 0xdd, INSTR_RRF_UUFF },
950 	{ "ltxtr", 0xde, INSTR_RRE_FF },
951 	{ "fixtr", 0xdf, INSTR_RRF_UUFF },
952 	{ "kdtr", 0xe0, INSTR_RRE_FF },
953 	{ { 0, LONG_INSN_CGDTRA }, 0xe1, INSTR_RRF_UURF },
954 	{ "cudtr", 0xe2, INSTR_RRE_RF },
955 	{ "csdtr", 0xe3, INSTR_RRE_RF },
956 	{ "cdtr", 0xe4, INSTR_RRE_FF },
957 	{ "eedtr", 0xe5, INSTR_RRE_RF },
958 	{ "esdtr", 0xe7, INSTR_RRE_RF },
959 	{ "kxtr", 0xe8, INSTR_RRE_FF },
960 	{ { 0, LONG_INSN_CGXTRA }, 0xe9, INSTR_RRF_UUFR },
961 	{ "cuxtr", 0xea, INSTR_RRE_RF },
962 	{ "csxtr", 0xeb, INSTR_RRE_RF },
963 	{ "cxtr", 0xec, INSTR_RRE_FF },
964 	{ "eextr", 0xed, INSTR_RRE_RF },
965 	{ "esxtr", 0xef, INSTR_RRE_RF },
966 	{ { 0, LONG_INSN_CDGTRA }, 0xf1, INSTR_RRF_UUFR },
967 	{ "cdutr", 0xf2, INSTR_RRE_FR },
968 	{ "cdstr", 0xf3, INSTR_RRE_FR },
969 	{ "cedtr", 0xf4, INSTR_RRE_FF },
970 	{ "qadtr", 0xf5, INSTR_RRF_FUFF },
971 	{ "iedtr", 0xf6, INSTR_RRF_F0FR },
972 	{ "rrdtr", 0xf7, INSTR_RRF_FFRU },
973 	{ { 0, LONG_INSN_CXGTRA }, 0xf9, INSTR_RRF_UURF },
974 	{ "cxutr", 0xfa, INSTR_RRE_FR },
975 	{ "cxstr", 0xfb, INSTR_RRE_FR },
976 	{ "cextr", 0xfc, INSTR_RRE_FF },
977 	{ "qaxtr", 0xfd, INSTR_RRF_FUFF },
978 	{ "iextr", 0xfe, INSTR_RRF_F0FR },
979 	{ "rrxtr", 0xff, INSTR_RRF_FFRU },
980 	{ "lpebr", 0x00, INSTR_RRE_FF },
981 	{ "lnebr", 0x01, INSTR_RRE_FF },
982 	{ "ltebr", 0x02, INSTR_RRE_FF },
983 	{ "lcebr", 0x03, INSTR_RRE_FF },
984 	{ "ldebr", 0x04, INSTR_RRE_FF },
985 	{ "lxdbr", 0x05, INSTR_RRE_FF },
986 	{ "lxebr", 0x06, INSTR_RRE_FF },
987 	{ "mxdbr", 0x07, INSTR_RRE_FF },
988 	{ "kebr", 0x08, INSTR_RRE_FF },
989 	{ "cebr", 0x09, INSTR_RRE_FF },
990 	{ "aebr", 0x0a, INSTR_RRE_FF },
991 	{ "sebr", 0x0b, INSTR_RRE_FF },
992 	{ "mdebr", 0x0c, INSTR_RRE_FF },
993 	{ "debr", 0x0d, INSTR_RRE_FF },
994 	{ "maebr", 0x0e, INSTR_RRF_F0FF },
995 	{ "msebr", 0x0f, INSTR_RRF_F0FF },
996 	{ "lpdbr", 0x10, INSTR_RRE_FF },
997 	{ "lndbr", 0x11, INSTR_RRE_FF },
998 	{ "ltdbr", 0x12, INSTR_RRE_FF },
999 	{ "lcdbr", 0x13, INSTR_RRE_FF },
1000 	{ "sqebr", 0x14, INSTR_RRE_FF },
1001 	{ "sqdbr", 0x15, INSTR_RRE_FF },
1002 	{ "sqxbr", 0x16, INSTR_RRE_FF },
1003 	{ "meebr", 0x17, INSTR_RRE_FF },
1004 	{ "kdbr", 0x18, INSTR_RRE_FF },
1005 	{ "cdbr", 0x19, INSTR_RRE_FF },
1006 	{ "adbr", 0x1a, INSTR_RRE_FF },
1007 	{ "sdbr", 0x1b, INSTR_RRE_FF },
1008 	{ "mdbr", 0x1c, INSTR_RRE_FF },
1009 	{ "ddbr", 0x1d, INSTR_RRE_FF },
1010 	{ "madbr", 0x1e, INSTR_RRF_F0FF },
1011 	{ "msdbr", 0x1f, INSTR_RRF_F0FF },
1012 	{ "lder", 0x24, INSTR_RRE_FF },
1013 	{ "lxdr", 0x25, INSTR_RRE_FF },
1014 	{ "lxer", 0x26, INSTR_RRE_FF },
1015 	{ "maer", 0x2e, INSTR_RRF_F0FF },
1016 	{ "mser", 0x2f, INSTR_RRF_F0FF },
1017 	{ "sqxr", 0x36, INSTR_RRE_FF },
1018 	{ "meer", 0x37, INSTR_RRE_FF },
1019 	{ "madr", 0x3e, INSTR_RRF_F0FF },
1020 	{ "msdr", 0x3f, INSTR_RRF_F0FF },
1021 	{ "lpxbr", 0x40, INSTR_RRE_FF },
1022 	{ "lnxbr", 0x41, INSTR_RRE_FF },
1023 	{ "ltxbr", 0x42, INSTR_RRE_FF },
1024 	{ "lcxbr", 0x43, INSTR_RRE_FF },
1025 	{ { 0, LONG_INSN_LEDBRA }, 0x44, INSTR_RRF_UUFF },
1026 	{ { 0, LONG_INSN_LDXBRA }, 0x45, INSTR_RRF_UUFF },
1027 	{ { 0, LONG_INSN_LEXBRA }, 0x46, INSTR_RRF_UUFF },
1028 	{ { 0, LONG_INSN_FIXBRA }, 0x47, INSTR_RRF_UUFF },
1029 	{ "kxbr", 0x48, INSTR_RRE_FF },
1030 	{ "cxbr", 0x49, INSTR_RRE_FF },
1031 	{ "axbr", 0x4a, INSTR_RRE_FF },
1032 	{ "sxbr", 0x4b, INSTR_RRE_FF },
1033 	{ "mxbr", 0x4c, INSTR_RRE_FF },
1034 	{ "dxbr", 0x4d, INSTR_RRE_FF },
1035 	{ "tbedr", 0x50, INSTR_RRF_U0FF },
1036 	{ "tbdr", 0x51, INSTR_RRF_U0FF },
1037 	{ "diebr", 0x53, INSTR_RRF_FUFF },
1038 	{ { 0, LONG_INSN_FIEBRA }, 0x57, INSTR_RRF_UUFF },
1039 	{ "thder", 0x58, INSTR_RRE_FF },
1040 	{ "thdr", 0x59, INSTR_RRE_FF },
1041 	{ "didbr", 0x5b, INSTR_RRF_FUFF },
1042 	{ { 0, LONG_INSN_FIDBRA }, 0x5f, INSTR_RRF_UUFF },
1043 	{ "lpxr", 0x60, INSTR_RRE_FF },
1044 	{ "lnxr", 0x61, INSTR_RRE_FF },
1045 	{ "ltxr", 0x62, INSTR_RRE_FF },
1046 	{ "lcxr", 0x63, INSTR_RRE_FF },
1047 	{ "lxr", 0x65, INSTR_RRE_FF },
1048 	{ "lexr", 0x66, INSTR_RRE_FF },
1049 	{ "fixr", 0x67, INSTR_RRE_FF },
1050 	{ "cxr", 0x69, INSTR_RRE_FF },
1051 	{ "lzer", 0x74, INSTR_RRE_F0 },
1052 	{ "lzdr", 0x75, INSTR_RRE_F0 },
1053 	{ "lzxr", 0x76, INSTR_RRE_F0 },
1054 	{ "fier", 0x77, INSTR_RRE_FF },
1055 	{ "fidr", 0x7f, INSTR_RRE_FF },
1056 	{ "sfpc", 0x84, INSTR_RRE_RR_OPT },
1057 	{ "efpc", 0x8c, INSTR_RRE_RR_OPT },
1058 	{ "cefbr", 0x94, INSTR_RRE_RF },
1059 	{ "cdfbr", 0x95, INSTR_RRE_RF },
1060 	{ "cxfbr", 0x96, INSTR_RRE_RF },
1061 	{ "cfebr", 0x98, INSTR_RRF_U0RF },
1062 	{ "cfdbr", 0x99, INSTR_RRF_U0RF },
1063 	{ "cfxbr", 0x9a, INSTR_RRF_U0RF },
1064 	{ "cefr", 0xb4, INSTR_RRE_FR },
1065 	{ "cdfr", 0xb5, INSTR_RRE_FR },
1066 	{ "cxfr", 0xb6, INSTR_RRE_FR },
1067 	{ "cfer", 0xb8, INSTR_RRF_U0RF },
1068 	{ "cfdr", 0xb9, INSTR_RRF_U0RF },
1069 	{ "cfxr", 0xba, INSTR_RRF_U0RF },
1070 	{ "", 0, INSTR_INVALID }
1071 };
1072 
1073 static struct s390_insn opcode_b9[] = {
1074 	{ "lpgr", 0x00, INSTR_RRE_RR },
1075 	{ "lngr", 0x01, INSTR_RRE_RR },
1076 	{ "ltgr", 0x02, INSTR_RRE_RR },
1077 	{ "lcgr", 0x03, INSTR_RRE_RR },
1078 	{ "lgr", 0x04, INSTR_RRE_RR },
1079 	{ "lurag", 0x05, INSTR_RRE_RR },
1080 	{ "lgbr", 0x06, INSTR_RRE_RR },
1081 	{ "lghr", 0x07, INSTR_RRE_RR },
1082 	{ "agr", 0x08, INSTR_RRE_RR },
1083 	{ "sgr", 0x09, INSTR_RRE_RR },
1084 	{ "algr", 0x0a, INSTR_RRE_RR },
1085 	{ "slgr", 0x0b, INSTR_RRE_RR },
1086 	{ "msgr", 0x0c, INSTR_RRE_RR },
1087 	{ "dsgr", 0x0d, INSTR_RRE_RR },
1088 	{ "eregg", 0x0e, INSTR_RRE_RR },
1089 	{ "lrvgr", 0x0f, INSTR_RRE_RR },
1090 	{ "lpgfr", 0x10, INSTR_RRE_RR },
1091 	{ "lngfr", 0x11, INSTR_RRE_RR },
1092 	{ "ltgfr", 0x12, INSTR_RRE_RR },
1093 	{ "lcgfr", 0x13, INSTR_RRE_RR },
1094 	{ "lgfr", 0x14, INSTR_RRE_RR },
1095 	{ "llgfr", 0x16, INSTR_RRE_RR },
1096 	{ "llgtr", 0x17, INSTR_RRE_RR },
1097 	{ "agfr", 0x18, INSTR_RRE_RR },
1098 	{ "sgfr", 0x19, INSTR_RRE_RR },
1099 	{ "algfr", 0x1a, INSTR_RRE_RR },
1100 	{ "slgfr", 0x1b, INSTR_RRE_RR },
1101 	{ "msgfr", 0x1c, INSTR_RRE_RR },
1102 	{ "dsgfr", 0x1d, INSTR_RRE_RR },
1103 	{ "cgr", 0x20, INSTR_RRE_RR },
1104 	{ "clgr", 0x21, INSTR_RRE_RR },
1105 	{ "sturg", 0x25, INSTR_RRE_RR },
1106 	{ "lbr", 0x26, INSTR_RRE_RR },
1107 	{ "lhr", 0x27, INSTR_RRE_RR },
1108 	{ "cgfr", 0x30, INSTR_RRE_RR },
1109 	{ "clgfr", 0x31, INSTR_RRE_RR },
1110 	{ "cfdtr", 0x41, INSTR_RRF_UURF },
1111 	{ { 0, LONG_INSN_CLGDTR }, 0x42, INSTR_RRF_UURF },
1112 	{ { 0, LONG_INSN_CLFDTR }, 0x43, INSTR_RRF_UURF },
1113 	{ "bctgr", 0x46, INSTR_RRE_RR },
1114 	{ "cfxtr", 0x49, INSTR_RRF_UURF },
1115 	{ { 0, LONG_INSN_CLGXTR }, 0x4a, INSTR_RRF_UUFR },
1116 	{ { 0, LONG_INSN_CLFXTR }, 0x4b, INSTR_RRF_UUFR },
1117 	{ "cdftr", 0x51, INSTR_RRF_UUFR },
1118 	{ { 0, LONG_INSN_CDLGTR }, 0x52, INSTR_RRF_UUFR },
1119 	{ { 0, LONG_INSN_CDLFTR }, 0x53, INSTR_RRF_UUFR },
1120 	{ "cxftr", 0x59, INSTR_RRF_UURF },
1121 	{ { 0, LONG_INSN_CXLGTR }, 0x5a, INSTR_RRF_UURF },
1122 	{ { 0, LONG_INSN_CXLFTR }, 0x5b, INSTR_RRF_UUFR },
1123 	{ "cgrt", 0x60, INSTR_RRF_U0RR },
1124 	{ "clgrt", 0x61, INSTR_RRF_U0RR },
1125 	{ "crt", 0x72, INSTR_RRF_U0RR },
1126 	{ "clrt", 0x73, INSTR_RRF_U0RR },
1127 	{ "ngr", 0x80, INSTR_RRE_RR },
1128 	{ "ogr", 0x81, INSTR_RRE_RR },
1129 	{ "xgr", 0x82, INSTR_RRE_RR },
1130 	{ "flogr", 0x83, INSTR_RRE_RR },
1131 	{ "llgcr", 0x84, INSTR_RRE_RR },
1132 	{ "llghr", 0x85, INSTR_RRE_RR },
1133 	{ "mlgr", 0x86, INSTR_RRE_RR },
1134 	{ "dlgr", 0x87, INSTR_RRE_RR },
1135 	{ "alcgr", 0x88, INSTR_RRE_RR },
1136 	{ "slbgr", 0x89, INSTR_RRE_RR },
1137 	{ "cspg", 0x8a, INSTR_RRE_RR },
1138 	{ "idte", 0x8e, INSTR_RRF_R0RR },
1139 	{ "crdte", 0x8f, INSTR_RRF_RMRR },
1140 	{ "llcr", 0x94, INSTR_RRE_RR },
1141 	{ "llhr", 0x95, INSTR_RRE_RR },
1142 	{ "esea", 0x9d, INSTR_RRE_R0 },
1143 	{ "ptf", 0xa2, INSTR_RRE_R0 },
1144 	{ "lptea", 0xaa, INSTR_RRF_RURR },
1145 	{ "rrbm", 0xae, INSTR_RRE_RR },
1146 	{ "pfmf", 0xaf, INSTR_RRE_RR },
1147 	{ "cu14", 0xb0, INSTR_RRF_M0RR },
1148 	{ "cu24", 0xb1, INSTR_RRF_M0RR },
1149 	{ "cu41", 0xb2, INSTR_RRE_RR },
1150 	{ "cu42", 0xb3, INSTR_RRE_RR },
1151 	{ "trtre", 0xbd, INSTR_RRF_M0RR },
1152 	{ "srstu", 0xbe, INSTR_RRE_RR },
1153 	{ "trte", 0xbf, INSTR_RRF_M0RR },
1154 	{ "ahhhr", 0xc8, INSTR_RRF_R0RR2 },
1155 	{ "shhhr", 0xc9, INSTR_RRF_R0RR2 },
1156 	{ { 0, LONG_INSN_ALHHHR }, 0xca, INSTR_RRF_R0RR2 },
1157 	{ { 0, LONG_INSN_SLHHHR }, 0xcb, INSTR_RRF_R0RR2 },
1158 	{ "chhr", 0xcd, INSTR_RRE_RR },
1159 	{ "clhhr", 0xcf, INSTR_RRE_RR },
1160 	{ { 0, LONG_INSN_PCISTG }, 0xd0, INSTR_RRE_RR },
1161 	{ "pcilg", 0xd2, INSTR_RRE_RR },
1162 	{ "rpcit", 0xd3, INSTR_RRE_RR },
1163 	{ "ahhlr", 0xd8, INSTR_RRF_R0RR2 },
1164 	{ "shhlr", 0xd9, INSTR_RRF_R0RR2 },
1165 	{ { 0, LONG_INSN_ALHHLR }, 0xda, INSTR_RRF_R0RR2 },
1166 	{ { 0, LONG_INSN_SLHHLR }, 0xdb, INSTR_RRF_R0RR2 },
1167 	{ "chlr", 0xdd, INSTR_RRE_RR },
1168 	{ "clhlr", 0xdf, INSTR_RRE_RR },
1169 	{ { 0, LONG_INSN_POPCNT }, 0xe1, INSTR_RRE_RR },
1170 	{ "locgr", 0xe2, INSTR_RRF_M0RR },
1171 	{ "ngrk", 0xe4, INSTR_RRF_R0RR2 },
1172 	{ "ogrk", 0xe6, INSTR_RRF_R0RR2 },
1173 	{ "xgrk", 0xe7, INSTR_RRF_R0RR2 },
1174 	{ "agrk", 0xe8, INSTR_RRF_R0RR2 },
1175 	{ "sgrk", 0xe9, INSTR_RRF_R0RR2 },
1176 	{ "algrk", 0xea, INSTR_RRF_R0RR2 },
1177 	{ "slgrk", 0xeb, INSTR_RRF_R0RR2 },
1178 	{ "locr", 0xf2, INSTR_RRF_M0RR },
1179 	{ "nrk", 0xf4, INSTR_RRF_R0RR2 },
1180 	{ "ork", 0xf6, INSTR_RRF_R0RR2 },
1181 	{ "xrk", 0xf7, INSTR_RRF_R0RR2 },
1182 	{ "ark", 0xf8, INSTR_RRF_R0RR2 },
1183 	{ "srk", 0xf9, INSTR_RRF_R0RR2 },
1184 	{ "alrk", 0xfa, INSTR_RRF_R0RR2 },
1185 	{ "slrk", 0xfb, INSTR_RRF_R0RR2 },
1186 	{ "kmac", 0x1e, INSTR_RRE_RR },
1187 	{ "lrvr", 0x1f, INSTR_RRE_RR },
1188 	{ "km", 0x2e, INSTR_RRE_RR },
1189 	{ "kmc", 0x2f, INSTR_RRE_RR },
1190 	{ "kimd", 0x3e, INSTR_RRE_RR },
1191 	{ "klmd", 0x3f, INSTR_RRE_RR },
1192 	{ "epsw", 0x8d, INSTR_RRE_RR },
1193 	{ "trtt", 0x90, INSTR_RRF_M0RR },
1194 	{ "trto", 0x91, INSTR_RRF_M0RR },
1195 	{ "trot", 0x92, INSTR_RRF_M0RR },
1196 	{ "troo", 0x93, INSTR_RRF_M0RR },
1197 	{ "mlr", 0x96, INSTR_RRE_RR },
1198 	{ "dlr", 0x97, INSTR_RRE_RR },
1199 	{ "alcr", 0x98, INSTR_RRE_RR },
1200 	{ "slbr", 0x99, INSTR_RRE_RR },
1201 	{ "", 0, INSTR_INVALID }
1202 };
1203 
1204 static struct s390_insn opcode_c0[] = {
1205 	{ "lgfi", 0x01, INSTR_RIL_RI },
1206 	{ "xihf", 0x06, INSTR_RIL_RU },
1207 	{ "xilf", 0x07, INSTR_RIL_RU },
1208 	{ "iihf", 0x08, INSTR_RIL_RU },
1209 	{ "iilf", 0x09, INSTR_RIL_RU },
1210 	{ "nihf", 0x0a, INSTR_RIL_RU },
1211 	{ "nilf", 0x0b, INSTR_RIL_RU },
1212 	{ "oihf", 0x0c, INSTR_RIL_RU },
1213 	{ "oilf", 0x0d, INSTR_RIL_RU },
1214 	{ "llihf", 0x0e, INSTR_RIL_RU },
1215 	{ "llilf", 0x0f, INSTR_RIL_RU },
1216 	{ "larl", 0x00, INSTR_RIL_RP },
1217 	{ "brcl", 0x04, INSTR_RIL_UP },
1218 	{ "brasl", 0x05, INSTR_RIL_RP },
1219 	{ "", 0, INSTR_INVALID }
1220 };
1221 
1222 static struct s390_insn opcode_c2[] = {
1223 	{ "msgfi", 0x00, INSTR_RIL_RI },
1224 	{ "msfi", 0x01, INSTR_RIL_RI },
1225 	{ "slgfi", 0x04, INSTR_RIL_RU },
1226 	{ "slfi", 0x05, INSTR_RIL_RU },
1227 	{ "agfi", 0x08, INSTR_RIL_RI },
1228 	{ "afi", 0x09, INSTR_RIL_RI },
1229 	{ "algfi", 0x0a, INSTR_RIL_RU },
1230 	{ "alfi", 0x0b, INSTR_RIL_RU },
1231 	{ "cgfi", 0x0c, INSTR_RIL_RI },
1232 	{ "cfi", 0x0d, INSTR_RIL_RI },
1233 	{ "clgfi", 0x0e, INSTR_RIL_RU },
1234 	{ "clfi", 0x0f, INSTR_RIL_RU },
1235 	{ "", 0, INSTR_INVALID }
1236 };
1237 
1238 static struct s390_insn opcode_c4[] = {
1239 	{ "llhrl", 0x02, INSTR_RIL_RP },
1240 	{ "lghrl", 0x04, INSTR_RIL_RP },
1241 	{ "lhrl", 0x05, INSTR_RIL_RP },
1242 	{ { 0, LONG_INSN_LLGHRL }, 0x06, INSTR_RIL_RP },
1243 	{ "sthrl", 0x07, INSTR_RIL_RP },
1244 	{ "lgrl", 0x08, INSTR_RIL_RP },
1245 	{ "stgrl", 0x0b, INSTR_RIL_RP },
1246 	{ "lgfrl", 0x0c, INSTR_RIL_RP },
1247 	{ "lrl", 0x0d, INSTR_RIL_RP },
1248 	{ { 0, LONG_INSN_LLGFRL }, 0x0e, INSTR_RIL_RP },
1249 	{ "strl", 0x0f, INSTR_RIL_RP },
1250 	{ "", 0, INSTR_INVALID }
1251 };
1252 
1253 static struct s390_insn opcode_c6[] = {
1254 	{ "exrl", 0x00, INSTR_RIL_RP },
1255 	{ "pfdrl", 0x02, INSTR_RIL_UP },
1256 	{ "cghrl", 0x04, INSTR_RIL_RP },
1257 	{ "chrl", 0x05, INSTR_RIL_RP },
1258 	{ { 0, LONG_INSN_CLGHRL }, 0x06, INSTR_RIL_RP },
1259 	{ "clhrl", 0x07, INSTR_RIL_RP },
1260 	{ "cgrl", 0x08, INSTR_RIL_RP },
1261 	{ "clgrl", 0x0a, INSTR_RIL_RP },
1262 	{ "cgfrl", 0x0c, INSTR_RIL_RP },
1263 	{ "crl", 0x0d, INSTR_RIL_RP },
1264 	{ { 0, LONG_INSN_CLGFRL }, 0x0e, INSTR_RIL_RP },
1265 	{ "clrl", 0x0f, INSTR_RIL_RP },
1266 	{ "", 0, INSTR_INVALID }
1267 };
1268 
1269 static struct s390_insn opcode_c8[] = {
1270 	{ "mvcos", 0x00, INSTR_SSF_RRDRD },
1271 	{ "ectg", 0x01, INSTR_SSF_RRDRD },
1272 	{ "csst", 0x02, INSTR_SSF_RRDRD },
1273 	{ "lpd", 0x04, INSTR_SSF_RRDRD2 },
1274 	{ "lpdg", 0x05, INSTR_SSF_RRDRD2 },
1275 	{ "", 0, INSTR_INVALID }
1276 };
1277 
1278 static struct s390_insn opcode_cc[] = {
1279 	{ "brcth", 0x06, INSTR_RIL_RP },
1280 	{ "aih", 0x08, INSTR_RIL_RI },
1281 	{ "alsih", 0x0a, INSTR_RIL_RI },
1282 	{ { 0, LONG_INSN_ALSIHN }, 0x0b, INSTR_RIL_RI },
1283 	{ "cih", 0x0d, INSTR_RIL_RI },
1284 	{ "clih", 0x0f, INSTR_RIL_RI },
1285 	{ "", 0, INSTR_INVALID }
1286 };
1287 
1288 static struct s390_insn opcode_e3[] = {
1289 	{ "ltg", 0x02, INSTR_RXY_RRRD },
1290 	{ "lrag", 0x03, INSTR_RXY_RRRD },
1291 	{ "lg", 0x04, INSTR_RXY_RRRD },
1292 	{ "cvby", 0x06, INSTR_RXY_RRRD },
1293 	{ "ag", 0x08, INSTR_RXY_RRRD },
1294 	{ "sg", 0x09, INSTR_RXY_RRRD },
1295 	{ "alg", 0x0a, INSTR_RXY_RRRD },
1296 	{ "slg", 0x0b, INSTR_RXY_RRRD },
1297 	{ "msg", 0x0c, INSTR_RXY_RRRD },
1298 	{ "dsg", 0x0d, INSTR_RXY_RRRD },
1299 	{ "cvbg", 0x0e, INSTR_RXY_RRRD },
1300 	{ "lrvg", 0x0f, INSTR_RXY_RRRD },
1301 	{ "lt", 0x12, INSTR_RXY_RRRD },
1302 	{ "lray", 0x13, INSTR_RXY_RRRD },
1303 	{ "lgf", 0x14, INSTR_RXY_RRRD },
1304 	{ "lgh", 0x15, INSTR_RXY_RRRD },
1305 	{ "llgf", 0x16, INSTR_RXY_RRRD },
1306 	{ "llgt", 0x17, INSTR_RXY_RRRD },
1307 	{ "agf", 0x18, INSTR_RXY_RRRD },
1308 	{ "sgf", 0x19, INSTR_RXY_RRRD },
1309 	{ "algf", 0x1a, INSTR_RXY_RRRD },
1310 	{ "slgf", 0x1b, INSTR_RXY_RRRD },
1311 	{ "msgf", 0x1c, INSTR_RXY_RRRD },
1312 	{ "dsgf", 0x1d, INSTR_RXY_RRRD },
1313 	{ "cg", 0x20, INSTR_RXY_RRRD },
1314 	{ "clg", 0x21, INSTR_RXY_RRRD },
1315 	{ "stg", 0x24, INSTR_RXY_RRRD },
1316 	{ "ntstg", 0x25, INSTR_RXY_RRRD },
1317 	{ "cvdy", 0x26, INSTR_RXY_RRRD },
1318 	{ "cvdg", 0x2e, INSTR_RXY_RRRD },
1319 	{ "strvg", 0x2f, INSTR_RXY_RRRD },
1320 	{ "cgf", 0x30, INSTR_RXY_RRRD },
1321 	{ "clgf", 0x31, INSTR_RXY_RRRD },
1322 	{ "ltgf", 0x32, INSTR_RXY_RRRD },
1323 	{ "cgh", 0x34, INSTR_RXY_RRRD },
1324 	{ "pfd", 0x36, INSTR_RXY_URRD },
1325 	{ "strvh", 0x3f, INSTR_RXY_RRRD },
1326 	{ "bctg", 0x46, INSTR_RXY_RRRD },
1327 	{ "sty", 0x50, INSTR_RXY_RRRD },
1328 	{ "msy", 0x51, INSTR_RXY_RRRD },
1329 	{ "ny", 0x54, INSTR_RXY_RRRD },
1330 	{ "cly", 0x55, INSTR_RXY_RRRD },
1331 	{ "oy", 0x56, INSTR_RXY_RRRD },
1332 	{ "xy", 0x57, INSTR_RXY_RRRD },
1333 	{ "ly", 0x58, INSTR_RXY_RRRD },
1334 	{ "cy", 0x59, INSTR_RXY_RRRD },
1335 	{ "ay", 0x5a, INSTR_RXY_RRRD },
1336 	{ "sy", 0x5b, INSTR_RXY_RRRD },
1337 	{ "mfy", 0x5c, INSTR_RXY_RRRD },
1338 	{ "aly", 0x5e, INSTR_RXY_RRRD },
1339 	{ "sly", 0x5f, INSTR_RXY_RRRD },
1340 	{ "sthy", 0x70, INSTR_RXY_RRRD },
1341 	{ "lay", 0x71, INSTR_RXY_RRRD },
1342 	{ "stcy", 0x72, INSTR_RXY_RRRD },
1343 	{ "icy", 0x73, INSTR_RXY_RRRD },
1344 	{ "laey", 0x75, INSTR_RXY_RRRD },
1345 	{ "lb", 0x76, INSTR_RXY_RRRD },
1346 	{ "lgb", 0x77, INSTR_RXY_RRRD },
1347 	{ "lhy", 0x78, INSTR_RXY_RRRD },
1348 	{ "chy", 0x79, INSTR_RXY_RRRD },
1349 	{ "ahy", 0x7a, INSTR_RXY_RRRD },
1350 	{ "shy", 0x7b, INSTR_RXY_RRRD },
1351 	{ "mhy", 0x7c, INSTR_RXY_RRRD },
1352 	{ "ng", 0x80, INSTR_RXY_RRRD },
1353 	{ "og", 0x81, INSTR_RXY_RRRD },
1354 	{ "xg", 0x82, INSTR_RXY_RRRD },
1355 	{ "lgat", 0x85, INSTR_RXY_RRRD },
1356 	{ "mlg", 0x86, INSTR_RXY_RRRD },
1357 	{ "dlg", 0x87, INSTR_RXY_RRRD },
1358 	{ "alcg", 0x88, INSTR_RXY_RRRD },
1359 	{ "slbg", 0x89, INSTR_RXY_RRRD },
1360 	{ "stpq", 0x8e, INSTR_RXY_RRRD },
1361 	{ "lpq", 0x8f, INSTR_RXY_RRRD },
1362 	{ "llgc", 0x90, INSTR_RXY_RRRD },
1363 	{ "llgh", 0x91, INSTR_RXY_RRRD },
1364 	{ "llc", 0x94, INSTR_RXY_RRRD },
1365 	{ "llh", 0x95, INSTR_RXY_RRRD },
1366 	{ { 0, LONG_INSN_LLGTAT }, 0x9c, INSTR_RXY_RRRD },
1367 	{ { 0, LONG_INSN_LLGFAT }, 0x9d, INSTR_RXY_RRRD },
1368 	{ "lat", 0x9f, INSTR_RXY_RRRD },
1369 	{ "lbh", 0xc0, INSTR_RXY_RRRD },
1370 	{ "llch", 0xc2, INSTR_RXY_RRRD },
1371 	{ "stch", 0xc3, INSTR_RXY_RRRD },
1372 	{ "lhh", 0xc4, INSTR_RXY_RRRD },
1373 	{ "llhh", 0xc6, INSTR_RXY_RRRD },
1374 	{ "sthh", 0xc7, INSTR_RXY_RRRD },
1375 	{ "lfhat", 0xc8, INSTR_RXY_RRRD },
1376 	{ "lfh", 0xca, INSTR_RXY_RRRD },
1377 	{ "stfh", 0xcb, INSTR_RXY_RRRD },
1378 	{ "chf", 0xcd, INSTR_RXY_RRRD },
1379 	{ "clhf", 0xcf, INSTR_RXY_RRRD },
1380 	{ { 0, LONG_INSN_MPCIFC }, 0xd0, INSTR_RXY_RRRD },
1381 	{ { 0, LONG_INSN_STPCIFC }, 0xd4, INSTR_RXY_RRRD },
1382 	{ "lrv", 0x1e, INSTR_RXY_RRRD },
1383 	{ "lrvh", 0x1f, INSTR_RXY_RRRD },
1384 	{ "strv", 0x3e, INSTR_RXY_RRRD },
1385 	{ "ml", 0x96, INSTR_RXY_RRRD },
1386 	{ "dl", 0x97, INSTR_RXY_RRRD },
1387 	{ "alc", 0x98, INSTR_RXY_RRRD },
1388 	{ "slb", 0x99, INSTR_RXY_RRRD },
1389 	{ "", 0, INSTR_INVALID }
1390 };
1391 
1392 static struct s390_insn opcode_e5[] = {
1393 	{ "strag", 0x02, INSTR_SSE_RDRD },
1394 	{ "mvhhi", 0x44, INSTR_SIL_RDI },
1395 	{ "mvghi", 0x48, INSTR_SIL_RDI },
1396 	{ "mvhi", 0x4c, INSTR_SIL_RDI },
1397 	{ "chhsi", 0x54, INSTR_SIL_RDI },
1398 	{ { 0, LONG_INSN_CLHHSI }, 0x55, INSTR_SIL_RDU },
1399 	{ "cghsi", 0x58, INSTR_SIL_RDI },
1400 	{ { 0, LONG_INSN_CLGHSI }, 0x59, INSTR_SIL_RDU },
1401 	{ "chsi", 0x5c, INSTR_SIL_RDI },
1402 	{ { 0, LONG_INSN_CLFHSI }, 0x5d, INSTR_SIL_RDU },
1403 	{ { 0, LONG_INSN_TBEGIN }, 0x60, INSTR_SIL_RDU },
1404 	{ { 0, LONG_INSN_TBEGINC }, 0x61, INSTR_SIL_RDU },
1405 	{ "lasp", 0x00, INSTR_SSE_RDRD },
1406 	{ "tprot", 0x01, INSTR_SSE_RDRD },
1407 	{ "mvcsk", 0x0e, INSTR_SSE_RDRD },
1408 	{ "mvcdk", 0x0f, INSTR_SSE_RDRD },
1409 	{ "", 0, INSTR_INVALID }
1410 };
1411 
1412 static struct s390_insn opcode_e7[] = {
1413 	{ "lcbb", 0x27, INSTR_RXE_RRRDM },
1414 	{ "vgef", 0x13, INSTR_VRV_VVRDM },
1415 	{ "vgeg", 0x12, INSTR_VRV_VVRDM },
1416 	{ "vgbm", 0x44, INSTR_VRI_V0I0 },
1417 	{ "vgm", 0x46, INSTR_VRI_V0IIM },
1418 	{ "vl", 0x06, INSTR_VRX_VRRD0 },
1419 	{ "vlr", 0x56, INSTR_VRR_VV00000 },
1420 	{ "vlrp", 0x05, INSTR_VRX_VRRDM },
1421 	{ "vleb", 0x00, INSTR_VRX_VRRDM },
1422 	{ "vleh", 0x01, INSTR_VRX_VRRDM },
1423 	{ "vlef", 0x03, INSTR_VRX_VRRDM },
1424 	{ "vleg", 0x02, INSTR_VRX_VRRDM },
1425 	{ "vleib", 0x40, INSTR_VRI_V0IM },
1426 	{ "vleih", 0x41, INSTR_VRI_V0IM },
1427 	{ "vleif", 0x43, INSTR_VRI_V0IM },
1428 	{ "vleig", 0x42, INSTR_VRI_V0IM },
1429 	{ "vlgv", 0x21, INSTR_VRS_RVRDM },
1430 	{ "vllez", 0x04, INSTR_VRX_VRRDM },
1431 	{ "vlm", 0x36, INSTR_VRS_VVRD0 },
1432 	{ "vlbb", 0x07, INSTR_VRX_VRRDM },
1433 	{ "vlvg", 0x22, INSTR_VRS_VRRDM },
1434 	{ "vlvgp", 0x62, INSTR_VRR_VRR0000 },
1435 	{ "vll", 0x37, INSTR_VRS_VRRD0 },
1436 	{ "vmrh", 0x61, INSTR_VRR_VVV000M },
1437 	{ "vmrl", 0x60, INSTR_VRR_VVV000M },
1438 	{ "vpk", 0x94, INSTR_VRR_VVV000M },
1439 	{ "vpks", 0x97, INSTR_VRR_VVV0M0M },
1440 	{ "vpkls", 0x95, INSTR_VRR_VVV0M0M },
1441 	{ "vperm", 0x8c, INSTR_VRR_VVV000V },
1442 	{ "vpdi", 0x84, INSTR_VRR_VVV000M },
1443 	{ "vrep", 0x4d, INSTR_VRI_VVIM },
1444 	{ "vrepi", 0x45, INSTR_VRI_V0IM },
1445 	{ "vscef", 0x1b, INSTR_VRV_VWRDM },
1446 	{ "vsceg", 0x1a, INSTR_VRV_VWRDM },
1447 	{ "vsel", 0x8d, INSTR_VRR_VVV000V },
1448 	{ "vseg", 0x5f, INSTR_VRR_VV0000M },
1449 	{ "vst", 0x0e, INSTR_VRX_VRRD0 },
1450 	{ "vsteb", 0x08, INSTR_VRX_VRRDM },
1451 	{ "vsteh", 0x09, INSTR_VRX_VRRDM },
1452 	{ "vstef", 0x0b, INSTR_VRX_VRRDM },
1453 	{ "vsteg", 0x0a, INSTR_VRX_VRRDM },
1454 	{ "vstm", 0x3e, INSTR_VRS_VVRD0 },
1455 	{ "vstl", 0x3f, INSTR_VRS_VRRD0 },
1456 	{ "vuph", 0xd7, INSTR_VRR_VV0000M },
1457 	{ "vuplh", 0xd5, INSTR_VRR_VV0000M },
1458 	{ "vupl", 0xd6, INSTR_VRR_VV0000M },
1459 	{ "vupll", 0xd4, INSTR_VRR_VV0000M },
1460 	{ "va", 0xf3, INSTR_VRR_VVV000M },
1461 	{ "vacc", 0xf1, INSTR_VRR_VVV000M },
1462 	{ "vac", 0xbb, INSTR_VRR_VVVM00V },
1463 	{ "vaccc", 0xb9, INSTR_VRR_VVVM00V },
1464 	{ "vn", 0x68, INSTR_VRR_VVV0000 },
1465 	{ "vnc", 0x69, INSTR_VRR_VVV0000 },
1466 	{ "vavg", 0xf2, INSTR_VRR_VVV000M },
1467 	{ "vavgl", 0xf0, INSTR_VRR_VVV000M },
1468 	{ "vcksm", 0x66, INSTR_VRR_VVV0000 },
1469 	{ "vec", 0xdb, INSTR_VRR_VV0000M },
1470 	{ "vecl", 0xd9, INSTR_VRR_VV0000M },
1471 	{ "vceq", 0xf8, INSTR_VRR_VVV0M0M },
1472 	{ "vch", 0xfb, INSTR_VRR_VVV0M0M },
1473 	{ "vchl", 0xf9, INSTR_VRR_VVV0M0M },
1474 	{ "vclz", 0x53, INSTR_VRR_VV0000M },
1475 	{ "vctz", 0x52, INSTR_VRR_VV0000M },
1476 	{ "vx", 0x6d, INSTR_VRR_VVV0000 },
1477 	{ "vgfm", 0xb4, INSTR_VRR_VVV000M },
1478 	{ "vgfma", 0xbc, INSTR_VRR_VVVM00V },
1479 	{ "vlc", 0xde, INSTR_VRR_VV0000M },
1480 	{ "vlp", 0xdf, INSTR_VRR_VV0000M },
1481 	{ "vmx", 0xff, INSTR_VRR_VVV000M },
1482 	{ "vmxl", 0xfd, INSTR_VRR_VVV000M },
1483 	{ "vmn", 0xfe, INSTR_VRR_VVV000M },
1484 	{ "vmnl", 0xfc, INSTR_VRR_VVV000M },
1485 	{ "vmal", 0xaa, INSTR_VRR_VVVM00V },
1486 	{ "vmae", 0xae, INSTR_VRR_VVVM00V },
1487 	{ "vmale", 0xac, INSTR_VRR_VVVM00V },
1488 	{ "vmah", 0xab, INSTR_VRR_VVVM00V },
1489 	{ "vmalh", 0xa9, INSTR_VRR_VVVM00V },
1490 	{ "vmao", 0xaf, INSTR_VRR_VVVM00V },
1491 	{ "vmalo", 0xad, INSTR_VRR_VVVM00V },
1492 	{ "vmh", 0xa3, INSTR_VRR_VVV000M },
1493 	{ "vmlh", 0xa1, INSTR_VRR_VVV000M },
1494 	{ "vml", 0xa2, INSTR_VRR_VVV000M },
1495 	{ "vme", 0xa6, INSTR_VRR_VVV000M },
1496 	{ "vmle", 0xa4, INSTR_VRR_VVV000M },
1497 	{ "vmo", 0xa7, INSTR_VRR_VVV000M },
1498 	{ "vmlo", 0xa5, INSTR_VRR_VVV000M },
1499 	{ "vno", 0x6b, INSTR_VRR_VVV0000 },
1500 	{ "vo", 0x6a, INSTR_VRR_VVV0000 },
1501 	{ { 0, LONG_INSN_VPOPCT }, 0x50, INSTR_VRR_VV0000M },
1502 	{ { 0, LONG_INSN_VERLLV }, 0x73, INSTR_VRR_VVV000M },
1503 	{ "verll", 0x33, INSTR_VRS_VVRDM },
1504 	{ "verim", 0x72, INSTR_VRI_VVV0IM },
1505 	{ "veslv", 0x70, INSTR_VRR_VVV000M },
1506 	{ "vesl", 0x30, INSTR_VRS_VVRDM },
1507 	{ { 0, LONG_INSN_VESRAV }, 0x7a, INSTR_VRR_VVV000M },
1508 	{ "vesra", 0x3a, INSTR_VRS_VVRDM },
1509 	{ { 0, LONG_INSN_VESRLV }, 0x78, INSTR_VRR_VVV000M },
1510 	{ "vesrl", 0x38, INSTR_VRS_VVRDM },
1511 	{ "vsl", 0x74, INSTR_VRR_VVV0000 },
1512 	{ "vslb", 0x75, INSTR_VRR_VVV0000 },
1513 	{ "vsldb", 0x77, INSTR_VRI_VVV0I0 },
1514 	{ "vsra", 0x7e, INSTR_VRR_VVV0000 },
1515 	{ "vsrab", 0x7f, INSTR_VRR_VVV0000 },
1516 	{ "vsrl", 0x7c, INSTR_VRR_VVV0000 },
1517 	{ "vsrlb", 0x7d, INSTR_VRR_VVV0000 },
1518 	{ "vs", 0xf7, INSTR_VRR_VVV000M },
1519 	{ "vscb", 0xf5, INSTR_VRR_VVV000M },
1520 	{ "vsb", 0xbf, INSTR_VRR_VVVM00V },
1521 	{ { 0, LONG_INSN_VSBCBI }, 0xbd, INSTR_VRR_VVVM00V },
1522 	{ "vsumg", 0x65, INSTR_VRR_VVV000M },
1523 	{ "vsumq", 0x67, INSTR_VRR_VVV000M },
1524 	{ "vsum", 0x64, INSTR_VRR_VVV000M },
1525 	{ "vtm", 0xd8, INSTR_VRR_VV00000 },
1526 	{ "vfae", 0x82, INSTR_VRR_VVV0M0M },
1527 	{ "vfee", 0x80, INSTR_VRR_VVV0M0M },
1528 	{ "vfene", 0x81, INSTR_VRR_VVV0M0M },
1529 	{ "vistr", 0x5c, INSTR_VRR_VV00M0M },
1530 	{ "vstrc", 0x8a, INSTR_VRR_VVVMM0V },
1531 	{ "vfa", 0xe3, INSTR_VRR_VVV00MM },
1532 	{ "wfc", 0xcb, INSTR_VRR_VV000MM },
1533 	{ "wfk", 0xca, INSTR_VRR_VV000MM },
1534 	{ "vfce", 0xe8, INSTR_VRR_VVV0MMM },
1535 	{ "vfch", 0xeb, INSTR_VRR_VVV0MMM },
1536 	{ "vfche", 0xea, INSTR_VRR_VVV0MMM },
1537 	{ "vcdg", 0xc3, INSTR_VRR_VV00MMM },
1538 	{ "vcdlg", 0xc1, INSTR_VRR_VV00MMM },
1539 	{ "vcgd", 0xc2, INSTR_VRR_VV00MMM },
1540 	{ "vclgd", 0xc0, INSTR_VRR_VV00MMM },
1541 	{ "vfd", 0xe5, INSTR_VRR_VVV00MM },
1542 	{ "vfi", 0xc7, INSTR_VRR_VV00MMM },
1543 	{ "vlde", 0xc4, INSTR_VRR_VV000MM },
1544 	{ "vled", 0xc5, INSTR_VRR_VV00MMM },
1545 	{ "vfm", 0xe7, INSTR_VRR_VVV00MM },
1546 	{ "vfma", 0x8f, INSTR_VRR_VVVM0MV },
1547 	{ "vfms", 0x8e, INSTR_VRR_VVVM0MV },
1548 	{ "vfpso", 0xcc, INSTR_VRR_VV00MMM },
1549 	{ "vfsq", 0xce, INSTR_VRR_VV000MM },
1550 	{ "vfs", 0xe2, INSTR_VRR_VVV00MM },
1551 	{ "vftci", 0x4a, INSTR_VRI_VVIMM },
1552 };
1553 
1554 static struct s390_insn opcode_eb[] = {
1555 	{ "lmg", 0x04, INSTR_RSY_RRRD },
1556 	{ "srag", 0x0a, INSTR_RSY_RRRD },
1557 	{ "slag", 0x0b, INSTR_RSY_RRRD },
1558 	{ "srlg", 0x0c, INSTR_RSY_RRRD },
1559 	{ "sllg", 0x0d, INSTR_RSY_RRRD },
1560 	{ "tracg", 0x0f, INSTR_RSY_RRRD },
1561 	{ "csy", 0x14, INSTR_RSY_RRRD },
1562 	{ "rllg", 0x1c, INSTR_RSY_RRRD },
1563 	{ "clmh", 0x20, INSTR_RSY_RURD },
1564 	{ "clmy", 0x21, INSTR_RSY_RURD },
1565 	{ "clt", 0x23, INSTR_RSY_RURD },
1566 	{ "stmg", 0x24, INSTR_RSY_RRRD },
1567 	{ "stctg", 0x25, INSTR_RSY_CCRD },
1568 	{ "stmh", 0x26, INSTR_RSY_RRRD },
1569 	{ "clgt", 0x2b, INSTR_RSY_RURD },
1570 	{ "stcmh", 0x2c, INSTR_RSY_RURD },
1571 	{ "stcmy", 0x2d, INSTR_RSY_RURD },
1572 	{ "lctlg", 0x2f, INSTR_RSY_CCRD },
1573 	{ "csg", 0x30, INSTR_RSY_RRRD },
1574 	{ "cdsy", 0x31, INSTR_RSY_RRRD },
1575 	{ "cdsg", 0x3e, INSTR_RSY_RRRD },
1576 	{ "bxhg", 0x44, INSTR_RSY_RRRD },
1577 	{ "bxleg", 0x45, INSTR_RSY_RRRD },
1578 	{ "ecag", 0x4c, INSTR_RSY_RRRD },
1579 	{ "tmy", 0x51, INSTR_SIY_URD },
1580 	{ "mviy", 0x52, INSTR_SIY_URD },
1581 	{ "niy", 0x54, INSTR_SIY_URD },
1582 	{ "cliy", 0x55, INSTR_SIY_URD },
1583 	{ "oiy", 0x56, INSTR_SIY_URD },
1584 	{ "xiy", 0x57, INSTR_SIY_URD },
1585 	{ "asi", 0x6a, INSTR_SIY_IRD },
1586 	{ "alsi", 0x6e, INSTR_SIY_IRD },
1587 	{ "agsi", 0x7a, INSTR_SIY_IRD },
1588 	{ "algsi", 0x7e, INSTR_SIY_IRD },
1589 	{ "icmh", 0x80, INSTR_RSY_RURD },
1590 	{ "icmy", 0x81, INSTR_RSY_RURD },
1591 	{ "clclu", 0x8f, INSTR_RSY_RRRD },
1592 	{ "stmy", 0x90, INSTR_RSY_RRRD },
1593 	{ "lmh", 0x96, INSTR_RSY_RRRD },
1594 	{ "lmy", 0x98, INSTR_RSY_RRRD },
1595 	{ "lamy", 0x9a, INSTR_RSY_AARD },
1596 	{ "stamy", 0x9b, INSTR_RSY_AARD },
1597 	{ { 0, LONG_INSN_PCISTB }, 0xd0, INSTR_RSY_RRRD },
1598 	{ "sic", 0xd1, INSTR_RSY_RRRD },
1599 	{ "srak", 0xdc, INSTR_RSY_RRRD },
1600 	{ "slak", 0xdd, INSTR_RSY_RRRD },
1601 	{ "srlk", 0xde, INSTR_RSY_RRRD },
1602 	{ "sllk", 0xdf, INSTR_RSY_RRRD },
1603 	{ "locg", 0xe2, INSTR_RSY_RDRM },
1604 	{ "stocg", 0xe3, INSTR_RSY_RDRM },
1605 	{ "lang", 0xe4, INSTR_RSY_RRRD },
1606 	{ "laog", 0xe6, INSTR_RSY_RRRD },
1607 	{ "laxg", 0xe7, INSTR_RSY_RRRD },
1608 	{ "laag", 0xe8, INSTR_RSY_RRRD },
1609 	{ "laalg", 0xea, INSTR_RSY_RRRD },
1610 	{ "loc", 0xf2, INSTR_RSY_RDRM },
1611 	{ "stoc", 0xf3, INSTR_RSY_RDRM },
1612 	{ "lan", 0xf4, INSTR_RSY_RRRD },
1613 	{ "lao", 0xf6, INSTR_RSY_RRRD },
1614 	{ "lax", 0xf7, INSTR_RSY_RRRD },
1615 	{ "laa", 0xf8, INSTR_RSY_RRRD },
1616 	{ "laal", 0xfa, INSTR_RSY_RRRD },
1617 	{ "lric", 0x60, INSTR_RSY_RDRM },
1618 	{ "stric", 0x61, INSTR_RSY_RDRM },
1619 	{ "mric", 0x62, INSTR_RSY_RDRM },
1620 	{ { 0, LONG_INSN_STCCTM }, 0x17, INSTR_RSY_RMRD },
1621 	{ "rll", 0x1d, INSTR_RSY_RRRD },
1622 	{ "mvclu", 0x8e, INSTR_RSY_RRRD },
1623 	{ "tp", 0xc0, INSTR_RSL_R0RD },
1624 	{ "", 0, INSTR_INVALID }
1625 };
1626 
1627 static struct s390_insn opcode_ec[] = {
1628 	{ "brxhg", 0x44, INSTR_RIE_RRP },
1629 	{ "brxlg", 0x45, INSTR_RIE_RRP },
1630 	{ { 0, LONG_INSN_RISBLG }, 0x51, INSTR_RIE_RRUUU },
1631 	{ "rnsbg", 0x54, INSTR_RIE_RRUUU },
1632 	{ "risbg", 0x55, INSTR_RIE_RRUUU },
1633 	{ "rosbg", 0x56, INSTR_RIE_RRUUU },
1634 	{ "rxsbg", 0x57, INSTR_RIE_RRUUU },
1635 	{ { 0, LONG_INSN_RISBGN }, 0x59, INSTR_RIE_RRUUU },
1636 	{ { 0, LONG_INSN_RISBHG }, 0x5D, INSTR_RIE_RRUUU },
1637 	{ "cgrj", 0x64, INSTR_RIE_RRPU },
1638 	{ "clgrj", 0x65, INSTR_RIE_RRPU },
1639 	{ "cgit", 0x70, INSTR_RIE_R0IU },
1640 	{ "clgit", 0x71, INSTR_RIE_R0UU },
1641 	{ "cit", 0x72, INSTR_RIE_R0IU },
1642 	{ "clfit", 0x73, INSTR_RIE_R0UU },
1643 	{ "crj", 0x76, INSTR_RIE_RRPU },
1644 	{ "clrj", 0x77, INSTR_RIE_RRPU },
1645 	{ "cgij", 0x7c, INSTR_RIE_RUPI },
1646 	{ "clgij", 0x7d, INSTR_RIE_RUPU },
1647 	{ "cij", 0x7e, INSTR_RIE_RUPI },
1648 	{ "clij", 0x7f, INSTR_RIE_RUPU },
1649 	{ "ahik", 0xd8, INSTR_RIE_RRI0 },
1650 	{ "aghik", 0xd9, INSTR_RIE_RRI0 },
1651 	{ { 0, LONG_INSN_ALHSIK }, 0xda, INSTR_RIE_RRI0 },
1652 	{ { 0, LONG_INSN_ALGHSIK }, 0xdb, INSTR_RIE_RRI0 },
1653 	{ "cgrb", 0xe4, INSTR_RRS_RRRDU },
1654 	{ "clgrb", 0xe5, INSTR_RRS_RRRDU },
1655 	{ "crb", 0xf6, INSTR_RRS_RRRDU },
1656 	{ "clrb", 0xf7, INSTR_RRS_RRRDU },
1657 	{ "cgib", 0xfc, INSTR_RIS_RURDI },
1658 	{ "clgib", 0xfd, INSTR_RIS_RURDU },
1659 	{ "cib", 0xfe, INSTR_RIS_RURDI },
1660 	{ "clib", 0xff, INSTR_RIS_RURDU },
1661 	{ "", 0, INSTR_INVALID }
1662 };
1663 
1664 static struct s390_insn opcode_ed[] = {
1665 	{ "mayl", 0x38, INSTR_RXF_FRRDF },
1666 	{ "myl", 0x39, INSTR_RXF_FRRDF },
1667 	{ "may", 0x3a, INSTR_RXF_FRRDF },
1668 	{ "my", 0x3b, INSTR_RXF_FRRDF },
1669 	{ "mayh", 0x3c, INSTR_RXF_FRRDF },
1670 	{ "myh", 0x3d, INSTR_RXF_FRRDF },
1671 	{ "sldt", 0x40, INSTR_RXF_FRRDF },
1672 	{ "srdt", 0x41, INSTR_RXF_FRRDF },
1673 	{ "slxt", 0x48, INSTR_RXF_FRRDF },
1674 	{ "srxt", 0x49, INSTR_RXF_FRRDF },
1675 	{ "tdcet", 0x50, INSTR_RXE_FRRD },
1676 	{ "tdget", 0x51, INSTR_RXE_FRRD },
1677 	{ "tdcdt", 0x54, INSTR_RXE_FRRD },
1678 	{ "tdgdt", 0x55, INSTR_RXE_FRRD },
1679 	{ "tdcxt", 0x58, INSTR_RXE_FRRD },
1680 	{ "tdgxt", 0x59, INSTR_RXE_FRRD },
1681 	{ "ley", 0x64, INSTR_RXY_FRRD },
1682 	{ "ldy", 0x65, INSTR_RXY_FRRD },
1683 	{ "stey", 0x66, INSTR_RXY_FRRD },
1684 	{ "stdy", 0x67, INSTR_RXY_FRRD },
1685 	{ "czdt", 0xa8, INSTR_RSL_LRDFU },
1686 	{ "czxt", 0xa9, INSTR_RSL_LRDFU },
1687 	{ "cdzt", 0xaa, INSTR_RSL_LRDFU },
1688 	{ "cxzt", 0xab, INSTR_RSL_LRDFU },
1689 	{ "ldeb", 0x04, INSTR_RXE_FRRD },
1690 	{ "lxdb", 0x05, INSTR_RXE_FRRD },
1691 	{ "lxeb", 0x06, INSTR_RXE_FRRD },
1692 	{ "mxdb", 0x07, INSTR_RXE_FRRD },
1693 	{ "keb", 0x08, INSTR_RXE_FRRD },
1694 	{ "ceb", 0x09, INSTR_RXE_FRRD },
1695 	{ "aeb", 0x0a, INSTR_RXE_FRRD },
1696 	{ "seb", 0x0b, INSTR_RXE_FRRD },
1697 	{ "mdeb", 0x0c, INSTR_RXE_FRRD },
1698 	{ "deb", 0x0d, INSTR_RXE_FRRD },
1699 	{ "maeb", 0x0e, INSTR_RXF_FRRDF },
1700 	{ "mseb", 0x0f, INSTR_RXF_FRRDF },
1701 	{ "tceb", 0x10, INSTR_RXE_FRRD },
1702 	{ "tcdb", 0x11, INSTR_RXE_FRRD },
1703 	{ "tcxb", 0x12, INSTR_RXE_FRRD },
1704 	{ "sqeb", 0x14, INSTR_RXE_FRRD },
1705 	{ "sqdb", 0x15, INSTR_RXE_FRRD },
1706 	{ "meeb", 0x17, INSTR_RXE_FRRD },
1707 	{ "kdb", 0x18, INSTR_RXE_FRRD },
1708 	{ "cdb", 0x19, INSTR_RXE_FRRD },
1709 	{ "adb", 0x1a, INSTR_RXE_FRRD },
1710 	{ "sdb", 0x1b, INSTR_RXE_FRRD },
1711 	{ "mdb", 0x1c, INSTR_RXE_FRRD },
1712 	{ "ddb", 0x1d, INSTR_RXE_FRRD },
1713 	{ "madb", 0x1e, INSTR_RXF_FRRDF },
1714 	{ "msdb", 0x1f, INSTR_RXF_FRRDF },
1715 	{ "lde", 0x24, INSTR_RXE_FRRD },
1716 	{ "lxd", 0x25, INSTR_RXE_FRRD },
1717 	{ "lxe", 0x26, INSTR_RXE_FRRD },
1718 	{ "mae", 0x2e, INSTR_RXF_FRRDF },
1719 	{ "mse", 0x2f, INSTR_RXF_FRRDF },
1720 	{ "sqe", 0x34, INSTR_RXE_FRRD },
1721 	{ "sqd", 0x35, INSTR_RXE_FRRD },
1722 	{ "mee", 0x37, INSTR_RXE_FRRD },
1723 	{ "mad", 0x3e, INSTR_RXF_FRRDF },
1724 	{ "msd", 0x3f, INSTR_RXF_FRRDF },
1725 	{ "", 0, INSTR_INVALID }
1726 };
1727 
1728 /* Extracts an operand value from an instruction.  */
1729 static unsigned int extract_operand(unsigned char *code,
1730 				    const struct s390_operand *operand)
1731 {
1732 	unsigned char *cp;
1733 	unsigned int val;
1734 	int bits;
1735 
1736 	/* Extract fragments of the operand byte for byte.  */
1737 	cp = code + operand->shift / 8;
1738 	bits = (operand->shift & 7) + operand->bits;
1739 	val = 0;
1740 	do {
1741 		val <<= 8;
1742 		val |= (unsigned int) *cp++;
1743 		bits -= 8;
1744 	} while (bits > 0);
1745 	val >>= -bits;
1746 	val &= ((1U << (operand->bits - 1)) << 1) - 1;
1747 
1748 	/* Check for special long displacement case.  */
1749 	if (operand->bits == 20 && operand->shift == 20)
1750 		val = (val & 0xff) << 12 | (val & 0xfff00) >> 8;
1751 
1752 	/* Check for register extensions bits for vector registers. */
1753 	if (operand->flags & OPERAND_VR) {
1754 		if (operand->shift == 8)
1755 			val |= (code[4] & 8) << 1;
1756 		else if (operand->shift == 12)
1757 			val |= (code[4] & 4) << 2;
1758 		else if (operand->shift == 16)
1759 			val |= (code[4] & 2) << 3;
1760 		else if (operand->shift == 32)
1761 			val |= (code[4] & 1) << 4;
1762 	}
1763 
1764 	/* Sign extend value if the operand is signed or pc relative.  */
1765 	if ((operand->flags & (OPERAND_SIGNED | OPERAND_PCREL)) &&
1766 	    (val & (1U << (operand->bits - 1))))
1767 		val |= (-1U << (operand->bits - 1)) << 1;
1768 
1769 	/* Double value if the operand is pc relative.	*/
1770 	if (operand->flags & OPERAND_PCREL)
1771 		val <<= 1;
1772 
1773 	/* Length x in an instructions has real length x + 1.  */
1774 	if (operand->flags & OPERAND_LENGTH)
1775 		val++;
1776 	return val;
1777 }
1778 
1779 struct s390_insn *find_insn(unsigned char *code)
1780 {
1781 	unsigned char opfrag = code[1];
1782 	unsigned char opmask;
1783 	struct s390_insn *table;
1784 
1785 	switch (code[0]) {
1786 	case 0x01:
1787 		table = opcode_01;
1788 		break;
1789 	case 0xa5:
1790 		table = opcode_a5;
1791 		break;
1792 	case 0xa7:
1793 		table = opcode_a7;
1794 		break;
1795 	case 0xaa:
1796 		table = opcode_aa;
1797 		break;
1798 	case 0xb2:
1799 		table = opcode_b2;
1800 		break;
1801 	case 0xb3:
1802 		table = opcode_b3;
1803 		break;
1804 	case 0xb9:
1805 		table = opcode_b9;
1806 		break;
1807 	case 0xc0:
1808 		table = opcode_c0;
1809 		break;
1810 	case 0xc2:
1811 		table = opcode_c2;
1812 		break;
1813 	case 0xc4:
1814 		table = opcode_c4;
1815 		break;
1816 	case 0xc6:
1817 		table = opcode_c6;
1818 		break;
1819 	case 0xc8:
1820 		table = opcode_c8;
1821 		break;
1822 	case 0xcc:
1823 		table = opcode_cc;
1824 		break;
1825 	case 0xe3:
1826 		table = opcode_e3;
1827 		opfrag = code[5];
1828 		break;
1829 	case 0xe5:
1830 		table = opcode_e5;
1831 		break;
1832 	case 0xe7:
1833 		table = opcode_e7;
1834 		opfrag = code[5];
1835 		break;
1836 	case 0xeb:
1837 		table = opcode_eb;
1838 		opfrag = code[5];
1839 		break;
1840 	case 0xec:
1841 		table = opcode_ec;
1842 		opfrag = code[5];
1843 		break;
1844 	case 0xed:
1845 		table = opcode_ed;
1846 		opfrag = code[5];
1847 		break;
1848 	default:
1849 		table = opcode;
1850 		opfrag = code[0];
1851 		break;
1852 	}
1853 	while (table->format != INSTR_INVALID) {
1854 		opmask = formats[table->format][0];
1855 		if (table->opfrag == (opfrag & opmask))
1856 			return table;
1857 		table++;
1858 	}
1859 	return NULL;
1860 }
1861 
1862 /**
1863  * insn_to_mnemonic - decode an s390 instruction
1864  * @instruction: instruction to decode
1865  * @buf: buffer to fill with mnemonic
1866  * @len: length of buffer
1867  *
1868  * Decode the instruction at @instruction and store the corresponding
1869  * mnemonic into @buf of length @len.
1870  * @buf is left unchanged if the instruction could not be decoded.
1871  * Returns:
1872  *  %0 on success, %-ENOENT if the instruction was not found.
1873  */
1874 int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len)
1875 {
1876 	struct s390_insn *insn;
1877 
1878 	insn = find_insn(instruction);
1879 	if (!insn)
1880 		return -ENOENT;
1881 	if (insn->name[0] == '\0')
1882 		snprintf(buf, len, "%s",
1883 			 long_insn_name[(int) insn->name[1]]);
1884 	else
1885 		snprintf(buf, len, "%.5s", insn->name);
1886 	return 0;
1887 }
1888 EXPORT_SYMBOL_GPL(insn_to_mnemonic);
1889 
1890 static int print_insn(char *buffer, unsigned char *code, unsigned long addr)
1891 {
1892 	struct s390_insn *insn;
1893 	const unsigned char *ops;
1894 	const struct s390_operand *operand;
1895 	unsigned int value;
1896 	char separator;
1897 	char *ptr;
1898 	int i;
1899 
1900 	ptr = buffer;
1901 	insn = find_insn(code);
1902 	if (insn) {
1903 		if (insn->name[0] == '\0')
1904 			ptr += sprintf(ptr, "%s\t",
1905 				       long_insn_name[(int) insn->name[1]]);
1906 		else
1907 			ptr += sprintf(ptr, "%.5s\t", insn->name);
1908 		/* Extract the operands. */
1909 		separator = 0;
1910 		for (ops = formats[insn->format] + 1, i = 0;
1911 		     *ops != 0 && i < 6; ops++, i++) {
1912 			operand = operands + *ops;
1913 			value = extract_operand(code, operand);
1914 			if ((operand->flags & OPERAND_INDEX)  && value == 0)
1915 				continue;
1916 			if ((operand->flags & OPERAND_BASE) &&
1917 			    value == 0 && separator == '(') {
1918 				separator = ',';
1919 				continue;
1920 			}
1921 			if (separator)
1922 				ptr += sprintf(ptr, "%c", separator);
1923 			if (operand->flags & OPERAND_GPR)
1924 				ptr += sprintf(ptr, "%%r%i", value);
1925 			else if (operand->flags & OPERAND_FPR)
1926 				ptr += sprintf(ptr, "%%f%i", value);
1927 			else if (operand->flags & OPERAND_AR)
1928 				ptr += sprintf(ptr, "%%a%i", value);
1929 			else if (operand->flags & OPERAND_CR)
1930 				ptr += sprintf(ptr, "%%c%i", value);
1931 			else if (operand->flags & OPERAND_VR)
1932 				ptr += sprintf(ptr, "%%v%i", value);
1933 			else if (operand->flags & OPERAND_PCREL)
1934 				ptr += sprintf(ptr, "%lx", (signed int) value
1935 								      + addr);
1936 			else if (operand->flags & OPERAND_SIGNED)
1937 				ptr += sprintf(ptr, "%i", value);
1938 			else
1939 				ptr += sprintf(ptr, "%u", value);
1940 			if (operand->flags & OPERAND_DISP)
1941 				separator = '(';
1942 			else if (operand->flags & OPERAND_BASE) {
1943 				ptr += sprintf(ptr, ")");
1944 				separator = ',';
1945 			} else
1946 				separator = ',';
1947 		}
1948 	} else
1949 		ptr += sprintf(ptr, "unknown");
1950 	return (int) (ptr - buffer);
1951 }
1952 
1953 void show_code(struct pt_regs *regs)
1954 {
1955 	char *mode = user_mode(regs) ? "User" : "Krnl";
1956 	unsigned char code[64];
1957 	char buffer[64], *ptr;
1958 	mm_segment_t old_fs;
1959 	unsigned long addr;
1960 	int start, end, opsize, hops, i;
1961 
1962 	/* Get a snapshot of the 64 bytes surrounding the fault address. */
1963 	old_fs = get_fs();
1964 	set_fs(user_mode(regs) ? USER_DS : KERNEL_DS);
1965 	for (start = 32; start && regs->psw.addr >= 34 - start; start -= 2) {
1966 		addr = regs->psw.addr - 34 + start;
1967 		if (__copy_from_user(code + start - 2,
1968 				     (char __user *) addr, 2))
1969 			break;
1970 	}
1971 	for (end = 32; end < 64; end += 2) {
1972 		addr = regs->psw.addr + end - 32;
1973 		if (__copy_from_user(code + end,
1974 				     (char __user *) addr, 2))
1975 			break;
1976 	}
1977 	set_fs(old_fs);
1978 	/* Code snapshot useable ? */
1979 	if ((regs->psw.addr & 1) || start >= end) {
1980 		printk("%s Code: Bad PSW.\n", mode);
1981 		return;
1982 	}
1983 	/* Find a starting point for the disassembly. */
1984 	while (start < 32) {
1985 		for (i = 0, hops = 0; start + i < 32 && hops < 3; hops++) {
1986 			if (!find_insn(code + start + i))
1987 				break;
1988 			i += insn_length(code[start + i]);
1989 		}
1990 		if (start + i == 32)
1991 			/* Looks good, sequence ends at PSW. */
1992 			break;
1993 		start += 2;
1994 	}
1995 	/* Decode the instructions. */
1996 	ptr = buffer;
1997 	ptr += sprintf(ptr, "%s Code:", mode);
1998 	hops = 0;
1999 	while (start < end && hops < 8) {
2000 		opsize = insn_length(code[start]);
2001 		if  (start + opsize == 32)
2002 			*ptr++ = '#';
2003 		else if (start == 32)
2004 			*ptr++ = '>';
2005 		else
2006 			*ptr++ = ' ';
2007 		addr = regs->psw.addr + start - 32;
2008 		ptr += sprintf(ptr, "%016lx: ", addr);
2009 		if (start + opsize >= end)
2010 			break;
2011 		for (i = 0; i < opsize; i++)
2012 			ptr += sprintf(ptr, "%02x", code[start + i]);
2013 		*ptr++ = '\t';
2014 		if (i < 6)
2015 			*ptr++ = '\t';
2016 		ptr += print_insn(ptr, code + start, addr);
2017 		start += opsize;
2018 		printk("%s", buffer);
2019 		ptr = buffer;
2020 		ptr += sprintf(ptr, "\n          ");
2021 		hops++;
2022 	}
2023 	printk("\n");
2024 }
2025 
2026 void print_fn_code(unsigned char *code, unsigned long len)
2027 {
2028 	char buffer[64], *ptr;
2029 	int opsize, i;
2030 
2031 	while (len) {
2032 		ptr = buffer;
2033 		opsize = insn_length(*code);
2034 		if (opsize > len)
2035 			break;
2036 		ptr += sprintf(ptr, "%p: ", code);
2037 		for (i = 0; i < opsize; i++)
2038 			ptr += sprintf(ptr, "%02x", code[i]);
2039 		*ptr++ = '\t';
2040 		if (i < 4)
2041 			*ptr++ = '\t';
2042 		ptr += print_insn(ptr, code, (unsigned long) code);
2043 		*ptr++ = '\n';
2044 		*ptr++ = 0;
2045 		printk("%s", buffer);
2046 		code += opsize;
2047 		len -= opsize;
2048 	}
2049 }
2050