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
35enum {
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 */
110enum {
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
163static 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
235static 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
372enum {
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
452static 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
532static 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
719static 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
733static 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
753static 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
773static 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
782static 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
892static 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
1073static 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
1204static 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
1222static 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
1238static 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
1253static 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
1269static 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
1278static 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
1288static 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
1392static 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
1412static 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
1554static 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
1627static 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
1664static 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.  */
1729static 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
1779struct 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 */
1874int 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}
1888EXPORT_SYMBOL_GPL(insn_to_mnemonic);
1889
1890static 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
1953void 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(buffer);
2019		ptr = buffer;
2020		ptr += sprintf(ptr, "\n          ");
2021		hops++;
2022	}
2023	printk("\n");
2024}
2025
2026void 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(buffer);
2046		code += opsize;
2047		len -= opsize;
2048	}
2049}
2050