1/*
   2 * arch/s390/kernel/dis.c
   3 *
   4 * Disassemble s390 instructions.
   5 *
   6 * Copyright IBM Corp. 2007
   7 * Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
   8 */
   9
  10#include <linux/sched.h>
  11#include <linux/kernel.h>
  12#include <linux/string.h>
  13#include <linux/errno.h>
  14#include <linux/ptrace.h>
  15#include <linux/timer.h>
  16#include <linux/mm.h>
  17#include <linux/smp.h>
  18#include <linux/init.h>
  19#include <linux/interrupt.h>
  20#include <linux/delay.h>
  21#include <linux/module.h>
  22#include <linux/kallsyms.h>
  23#include <linux/reboot.h>
  24#include <linux/kprobes.h>
  25#include <linux/kdebug.h>
  26
 
  27#include <asm/uaccess.h>
  28#include <asm/io.h>
  29#include <linux/atomic.h>
  30#include <asm/mathemu.h>
  31#include <asm/cpcmd.h>
  32#include <asm/lowcore.h>
  33#include <asm/debug.h>
  34#include <asm/irq.h>
  35
  36#ifndef CONFIG_64BIT
  37#define ONELONG "%08lx: "
  38#else /* CONFIG_64BIT */
  39#define ONELONG "%016lx: "
  40#endif /* CONFIG_64BIT */
  41
  42#define OPERAND_GPR	0x1	/* Operand printed as %rx */
  43#define OPERAND_FPR	0x2	/* Operand printed as %fx */
  44#define OPERAND_AR	0x4	/* Operand printed as %ax */
  45#define OPERAND_CR	0x8	/* Operand printed as %cx */
  46#define OPERAND_DISP	0x10	/* Operand printed as displacement */
  47#define OPERAND_BASE	0x20	/* Operand printed as base register */
  48#define OPERAND_INDEX	0x40	/* Operand printed as index register */
  49#define OPERAND_PCREL	0x80	/* Operand printed as pc-relative symbol */
  50#define OPERAND_SIGNED	0x100	/* Operand printed as signed value */
  51#define OPERAND_LENGTH	0x200	/* Operand printed as length (+1) */
  52
  53enum {
  54	UNUSED,	/* Indicates the end of the operand list */
  55	R_8,	/* GPR starting at position 8 */
  56	R_12,	/* GPR starting at position 12 */
  57	R_16,	/* GPR starting at position 16 */
  58	R_20,	/* GPR starting at position 20 */
  59	R_24,	/* GPR starting at position 24 */
  60	R_28,	/* GPR starting at position 28 */
  61	R_32,	/* GPR starting at position 32 */
  62	F_8,	/* FPR starting at position 8 */
  63	F_12,	/* FPR starting at position 12 */
  64	F_16,	/* FPR starting at position 16 */
  65	F_20,	/* FPR starting at position 16 */
  66	F_24,	/* FPR starting at position 24 */
  67	F_28,	/* FPR starting at position 28 */
  68	F_32,	/* FPR starting at position 32 */
  69	A_8,	/* Access reg. starting at position 8 */
  70	A_12,	/* Access reg. starting at position 12 */
  71	A_24,	/* Access reg. starting at position 24 */
  72	A_28,	/* Access reg. starting at position 28 */
  73	C_8,	/* Control reg. starting at position 8 */
  74	C_12,	/* Control reg. starting at position 12 */
  75	B_16,	/* Base register starting at position 16 */
  76	B_32,	/* Base register starting at position 32 */
  77	X_12,	/* Index register starting at position 12 */
  78	D_20,	/* Displacement starting at position 20 */
  79	D_36,	/* Displacement starting at position 36 */
  80	D20_20,	/* 20 bit displacement starting at 20 */
  81	L4_8,	/* 4 bit length starting at position 8 */
  82	L4_12,	/* 4 bit length starting at position 12 */
  83	L8_8,	/* 8 bit length starting at position 8 */
  84	U4_8,	/* 4 bit unsigned value starting at 8 */
  85	U4_12,	/* 4 bit unsigned value starting at 12 */
  86	U4_16,	/* 4 bit unsigned value starting at 16 */
  87	U4_20,	/* 4 bit unsigned value starting at 20 */
  88	U4_32,	/* 4 bit unsigned value starting at 32 */
  89	U8_8,	/* 8 bit unsigned value starting at 8 */
  90	U8_16,	/* 8 bit unsigned value starting at 16 */
  91	U8_24,	/* 8 bit unsigned value starting at 24 */
  92	U8_32,	/* 8 bit unsigned value starting at 32 */
  93	I8_8,	/* 8 bit signed value starting at 8 */
  94	I8_32,	/* 8 bit signed value starting at 32 */
  95	I16_16,	/* 16 bit signed value starting at 16 */
  96	I16_32,	/* 32 bit signed value starting at 16 */
  97	U16_16,	/* 16 bit unsigned value starting at 16 */
  98	U16_32,	/* 32 bit unsigned value starting at 16 */
  99	J16_16,	/* PC relative jump offset at 16 */
 100	J32_16,	/* PC relative long offset at 16 */
 101	I32_16,	/* 32 bit signed value starting at 16 */
 102	U32_16,	/* 32 bit unsigned value starting at 16 */
 103	M_16,	/* 4 bit optional mask starting at 16 */
 104	RO_28,	/* optional GPR starting at position 28 */
 105};
 106
 107/*
 108 * Enumeration of the different instruction formats.
 109 * For details consult the principles of operation.
 110 */
 111enum {
 112	INSTR_INVALID,
 113	INSTR_E,
 114	INSTR_RIE_R0IU, INSTR_RIE_R0UU, INSTR_RIE_RRP, INSTR_RIE_RRPU,
 115	INSTR_RIE_RRUUU, INSTR_RIE_RUPI, INSTR_RIE_RUPU, INSTR_RIE_RRI0,
 116	INSTR_RIL_RI, INSTR_RIL_RP, INSTR_RIL_RU, INSTR_RIL_UP,
 117	INSTR_RIS_R0RDU, INSTR_RIS_R0UU, INSTR_RIS_RURDI, INSTR_RIS_RURDU,
 118	INSTR_RI_RI, INSTR_RI_RP, INSTR_RI_RU, INSTR_RI_UP,
 119	INSTR_RRE_00, INSTR_RRE_0R, INSTR_RRE_AA, INSTR_RRE_AR, INSTR_RRE_F0,
 120	INSTR_RRE_FF, INSTR_RRE_FR, INSTR_RRE_R0, INSTR_RRE_RA, INSTR_RRE_RF,
 121	INSTR_RRE_RR, INSTR_RRE_RR_OPT,
 122	INSTR_RRF_0UFF, INSTR_RRF_F0FF, INSTR_RRF_F0FF2, INSTR_RRF_F0FR,
 123	INSTR_RRF_FFRU, INSTR_RRF_FUFF, INSTR_RRF_M0RR, INSTR_RRF_R0RR,
 124	INSTR_RRF_R0RR2, INSTR_RRF_RURR, INSTR_RRF_U0FF, INSTR_RRF_U0RF,
 125	INSTR_RRF_U0RR, INSTR_RRF_UUFF, INSTR_RRR_F0FF, INSTR_RRS_RRRDU,
 126	INSTR_RR_FF, INSTR_RR_R0, INSTR_RR_RR, INSTR_RR_U0, INSTR_RR_UR,
 127	INSTR_RSE_CCRD, INSTR_RSE_RRRD, INSTR_RSE_RURD,
 128	INSTR_RSI_RRP,
 129	INSTR_RSL_R0RD,
 130	INSTR_RSY_AARD, INSTR_RSY_CCRD, INSTR_RSY_RRRD, INSTR_RSY_RURD,
 131	INSTR_RSY_RDRM,
 132	INSTR_RS_AARD, INSTR_RS_CCRD, INSTR_RS_R0RD, INSTR_RS_RRRD,
 133	INSTR_RS_RURD,
 134	INSTR_RXE_FRRD, INSTR_RXE_RRRD,
 135	INSTR_RXF_FRRDF,
 136	INSTR_RXY_FRRD, INSTR_RXY_RRRD, INSTR_RXY_URRD,
 137	INSTR_RX_FRRD, INSTR_RX_RRRD, INSTR_RX_URRD,
 138	INSTR_SIL_RDI, INSTR_SIL_RDU,
 139	INSTR_SIY_IRD, INSTR_SIY_URD,
 140	INSTR_SI_URD,
 141	INSTR_SSE_RDRD,
 142	INSTR_SSF_RRDRD, INSTR_SSF_RRDRD2,
 143	INSTR_SS_L0RDRD, INSTR_SS_LIRDRD, INSTR_SS_LLRDRD, INSTR_SS_RRRDRD,
 144	INSTR_SS_RRRDRD2, INSTR_SS_RRRDRD3,
 145	INSTR_S_00, INSTR_S_RD,
 146};
 147
 148struct operand {
 149	int bits;		/* The number of bits in the operand. */
 150	int shift;		/* The number of bits to shift. */
 151	int flags;		/* One bit syntax flags. */
 152};
 153
 154struct insn {
 155	const char name[5];
 156	unsigned char opfrag;
 157	unsigned char format;
 158};
 159
 160static const struct operand operands[] =
 161{
 162	[UNUSED]  = { 0, 0, 0 },
 163	[R_8]	 = {  4,  8, OPERAND_GPR },
 164	[R_12]	 = {  4, 12, OPERAND_GPR },
 165	[R_16]	 = {  4, 16, OPERAND_GPR },
 166	[R_20]	 = {  4, 20, OPERAND_GPR },
 167	[R_24]	 = {  4, 24, OPERAND_GPR },
 168	[R_28]	 = {  4, 28, OPERAND_GPR },
 169	[R_32]	 = {  4, 32, OPERAND_GPR },
 170	[F_8]	 = {  4,  8, OPERAND_FPR },
 171	[F_12]	 = {  4, 12, OPERAND_FPR },
 172	[F_16]	 = {  4, 16, OPERAND_FPR },
 173	[F_20]	 = {  4, 16, OPERAND_FPR },
 174	[F_24]	 = {  4, 24, OPERAND_FPR },
 175	[F_28]	 = {  4, 28, OPERAND_FPR },
 176	[F_32]	 = {  4, 32, OPERAND_FPR },
 177	[A_8]	 = {  4,  8, OPERAND_AR },
 178	[A_12]	 = {  4, 12, OPERAND_AR },
 179	[A_24]	 = {  4, 24, OPERAND_AR },
 180	[A_28]	 = {  4, 28, OPERAND_AR },
 181	[C_8]	 = {  4,  8, OPERAND_CR },
 182	[C_12]	 = {  4, 12, OPERAND_CR },
 183	[B_16]	 = {  4, 16, OPERAND_BASE | OPERAND_GPR },
 184	[B_32]	 = {  4, 32, OPERAND_BASE | OPERAND_GPR },
 185	[X_12]	 = {  4, 12, OPERAND_INDEX | OPERAND_GPR },
 186	[D_20]	 = { 12, 20, OPERAND_DISP },
 187	[D_36]	 = { 12, 36, OPERAND_DISP },
 188	[D20_20] = { 20, 20, OPERAND_DISP | OPERAND_SIGNED },
 189	[L4_8]	 = {  4,  8, OPERAND_LENGTH },
 190	[L4_12]  = {  4, 12, OPERAND_LENGTH },
 191	[L8_8]	 = {  8,  8, OPERAND_LENGTH },
 192	[U4_8]	 = {  4,  8, 0 },
 193	[U4_12]  = {  4, 12, 0 },
 194	[U4_16]  = {  4, 16, 0 },
 195	[U4_20]  = {  4, 20, 0 },
 196	[U4_32]  = {  4, 32, 0 },
 197	[U8_8]	 = {  8,  8, 0 },
 198	[U8_16]  = {  8, 16, 0 },
 199	[U8_24]  = {  8, 24, 0 },
 200	[U8_32]  = {  8, 32, 0 },
 201	[I16_16] = { 16, 16, OPERAND_SIGNED },
 202	[U16_16] = { 16, 16, 0 },
 203	[U16_32] = { 16, 32, 0 },
 204	[J16_16] = { 16, 16, OPERAND_PCREL },
 205	[I16_32] = { 16, 32, OPERAND_SIGNED },
 206	[J32_16] = { 32, 16, OPERAND_PCREL },
 207	[I32_16] = { 32, 16, OPERAND_SIGNED },
 208	[U32_16] = { 32, 16, 0 },
 209	[M_16]	 = {  4, 16, 0 },
 210	[RO_28]  = {  4, 28, OPERAND_GPR }
 211};
 212
 213static const unsigned char formats[][7] = {
 214	[INSTR_E]	  = { 0xff, 0,0,0,0,0,0 },
 215	[INSTR_RIE_R0UU]  = { 0xff, R_8,U16_16,U4_32,0,0,0 },
 216	[INSTR_RIE_RRPU]  = { 0xff, R_8,R_12,U4_32,J16_16,0,0 },
 217	[INSTR_RIE_RRP]	  = { 0xff, R_8,R_12,J16_16,0,0,0 },
 218	[INSTR_RIE_RRUUU] = { 0xff, R_8,R_12,U8_16,U8_24,U8_32,0 },
 219	[INSTR_RIE_RUPI]  = { 0xff, R_8,I8_32,U4_12,J16_16,0,0 },
 220	[INSTR_RIE_RRI0]  = { 0xff, R_8,R_12,I16_16,0,0,0 },
 221	[INSTR_RIL_RI]	  = { 0x0f, R_8,I32_16,0,0,0,0 },
 222	[INSTR_RIL_RP]	  = { 0x0f, R_8,J32_16,0,0,0,0 },
 223	[INSTR_RIL_RU]	  = { 0x0f, R_8,U32_16,0,0,0,0 },
 224	[INSTR_RIL_UP]	  = { 0x0f, U4_8,J32_16,0,0,0,0 },
 225	[INSTR_RIS_R0RDU] = { 0xff, R_8,U8_32,D_20,B_16,0,0 },
 226	[INSTR_RIS_RURDI] = { 0xff, R_8,I8_32,U4_12,D_20,B_16,0 },
 227	[INSTR_RIS_RURDU] = { 0xff, R_8,U8_32,U4_12,D_20,B_16,0 },
 228	[INSTR_RI_RI]	  = { 0x0f, R_8,I16_16,0,0,0,0 },
 229	[INSTR_RI_RP]	  = { 0x0f, R_8,J16_16,0,0,0,0 },
 230	[INSTR_RI_RU]	  = { 0x0f, R_8,U16_16,0,0,0,0 },
 231	[INSTR_RI_UP]	  = { 0x0f, U4_8,J16_16,0,0,0,0 },
 232	[INSTR_RRE_00]	  = { 0xff, 0,0,0,0,0,0 },
 233	[INSTR_RRE_0R]	  = { 0xff, R_28,0,0,0,0,0 },
 234	[INSTR_RRE_AA]	  = { 0xff, A_24,A_28,0,0,0,0 },
 235	[INSTR_RRE_AR]	  = { 0xff, A_24,R_28,0,0,0,0 },
 236	[INSTR_RRE_F0]	  = { 0xff, F_24,0,0,0,0,0 },
 237	[INSTR_RRE_FF]	  = { 0xff, F_24,F_28,0,0,0,0 },
 238	[INSTR_RRE_FR]	  = { 0xff, F_24,R_28,0,0,0,0 },
 239	[INSTR_RRE_R0]	  = { 0xff, R_24,0,0,0,0,0 },
 240	[INSTR_RRE_RA]	  = { 0xff, R_24,A_28,0,0,0,0 },
 241	[INSTR_RRE_RF]	  = { 0xff, R_24,F_28,0,0,0,0 },
 242	[INSTR_RRE_RR]	  = { 0xff, R_24,R_28,0,0,0,0 },
 243	[INSTR_RRE_RR_OPT]= { 0xff, R_24,RO_28,0,0,0,0 },
 244	[INSTR_RRF_0UFF]  = { 0xff, F_24,F_28,U4_20,0,0,0 },
 245	[INSTR_RRF_F0FF2] = { 0xff, F_24,F_16,F_28,0,0,0 },
 246	[INSTR_RRF_F0FF]  = { 0xff, F_16,F_24,F_28,0,0,0 },
 247	[INSTR_RRF_F0FR]  = { 0xff, F_24,F_16,R_28,0,0,0 },
 248	[INSTR_RRF_FFRU]  = { 0xff, F_24,F_16,R_28,U4_20,0,0 },
 249	[INSTR_RRF_FUFF]  = { 0xff, F_24,F_16,F_28,U4_20,0,0 },
 250	[INSTR_RRF_M0RR]  = { 0xff, R_24,R_28,M_16,0,0,0 },
 251	[INSTR_RRF_R0RR]  = { 0xff, R_24,R_16,R_28,0,0,0 },
 252	[INSTR_RRF_R0RR2] = { 0xff, R_24,R_28,R_16,0,0,0 },
 253	[INSTR_RRF_RURR]  = { 0xff, R_24,R_28,R_16,U4_20,0,0 },
 254	[INSTR_RRF_U0FF]  = { 0xff, F_24,U4_16,F_28,0,0,0 },
 255	[INSTR_RRF_U0RF]  = { 0xff, R_24,U4_16,F_28,0,0,0 },
 256	[INSTR_RRF_U0RR]  = { 0xff, R_24,R_28,U4_16,0,0,0 },
 257	[INSTR_RRF_UUFF]  = { 0xff, F_24,U4_16,F_28,U4_20,0,0 },
 258	[INSTR_RRR_F0FF]  = { 0xff, F_24,F_28,F_16,0,0,0 },
 259	[INSTR_RRS_RRRDU] = { 0xff, R_8,R_12,U4_32,D_20,B_16,0 },
 260	[INSTR_RR_FF]	  = { 0xff, F_8,F_12,0,0,0,0 },
 261	[INSTR_RR_R0]	  = { 0xff, R_8, 0,0,0,0,0 },
 262	[INSTR_RR_RR]	  = { 0xff, R_8,R_12,0,0,0,0 },
 263	[INSTR_RR_U0]	  = { 0xff, U8_8, 0,0,0,0,0 },
 264	[INSTR_RR_UR]	  = { 0xff, U4_8,R_12,0,0,0,0 },
 265	[INSTR_RSE_CCRD]  = { 0xff, C_8,C_12,D_20,B_16,0,0 },
 266	[INSTR_RSE_RRRD]  = { 0xff, R_8,R_12,D_20,B_16,0,0 },
 267	[INSTR_RSE_RURD]  = { 0xff, R_8,U4_12,D_20,B_16,0,0 },
 268	[INSTR_RSI_RRP]	  = { 0xff, R_8,R_12,J16_16,0,0,0 },
 269	[INSTR_RSL_R0RD]  = { 0xff, D_20,L4_8,B_16,0,0,0 },
 270	[INSTR_RSY_AARD]  = { 0xff, A_8,A_12,D20_20,B_16,0,0 },
 271	[INSTR_RSY_CCRD]  = { 0xff, C_8,C_12,D20_20,B_16,0,0 },
 272	[INSTR_RSY_RRRD]  = { 0xff, R_8,R_12,D20_20,B_16,0,0 },
 273	[INSTR_RSY_RURD]  = { 0xff, R_8,U4_12,D20_20,B_16,0,0 },
 274	[INSTR_RSY_RDRM]  = { 0xff, R_8,D20_20,B_16,U4_12,0,0 },
 275	[INSTR_RS_AARD]	  = { 0xff, A_8,A_12,D_20,B_16,0,0 },
 276	[INSTR_RS_CCRD]	  = { 0xff, C_8,C_12,D_20,B_16,0,0 },
 277	[INSTR_RS_R0RD]	  = { 0xff, R_8,D_20,B_16,0,0,0 },
 278	[INSTR_RS_RRRD]	  = { 0xff, R_8,R_12,D_20,B_16,0,0 },
 279	[INSTR_RS_RURD]	  = { 0xff, R_8,U4_12,D_20,B_16,0,0 },
 280	[INSTR_RXE_FRRD]  = { 0xff, F_8,D_20,X_12,B_16,0,0 },
 281	[INSTR_RXE_RRRD]  = { 0xff, R_8,D_20,X_12,B_16,0,0 },
 282	[INSTR_RXF_FRRDF] = { 0xff, F_32,F_8,D_20,X_12,B_16,0 },
 283	[INSTR_RXY_FRRD]  = { 0xff, F_8,D20_20,X_12,B_16,0,0 },
 284	[INSTR_RXY_RRRD]  = { 0xff, R_8,D20_20,X_12,B_16,0,0 },
 285	[INSTR_RXY_URRD]  = { 0xff, U4_8,D20_20,X_12,B_16,0,0 },
 286	[INSTR_RX_FRRD]	  = { 0xff, F_8,D_20,X_12,B_16,0,0 },
 287	[INSTR_RX_RRRD]	  = { 0xff, R_8,D_20,X_12,B_16,0,0 },
 288	[INSTR_RX_URRD]	  = { 0xff, U4_8,D_20,X_12,B_16,0,0 },
 289	[INSTR_SIL_RDI]   = { 0xff, D_20,B_16,I16_32,0,0,0 },
 290	[INSTR_SIL_RDU]   = { 0xff, D_20,B_16,U16_32,0,0,0 },
 291	[INSTR_SIY_IRD]   = { 0xff, D20_20,B_16,I8_8,0,0,0 },
 292	[INSTR_SIY_URD]	  = { 0xff, D20_20,B_16,U8_8,0,0,0 },
 293	[INSTR_SI_URD]	  = { 0xff, D_20,B_16,U8_8,0,0,0 },
 294	[INSTR_SSE_RDRD]  = { 0xff, D_20,B_16,D_36,B_32,0,0 },
 295	[INSTR_SSF_RRDRD] = { 0x00, D_20,B_16,D_36,B_32,R_8,0 },
 296	[INSTR_SSF_RRDRD2]= { 0x00, R_8,D_20,B_16,D_36,B_32,0 },
 297	[INSTR_SS_L0RDRD] = { 0xff, D_20,L8_8,B_16,D_36,B_32,0 },
 298	[INSTR_SS_LIRDRD] = { 0xff, D_20,L4_8,B_16,D_36,B_32,U4_12 },
 299	[INSTR_SS_LLRDRD] = { 0xff, D_20,L4_8,B_16,D_36,L4_12,B_32 },
 300	[INSTR_SS_RRRDRD2]= { 0xff, R_8,D_20,B_16,R_12,D_36,B_32 },
 301	[INSTR_SS_RRRDRD3]= { 0xff, R_8,R_12,D_20,B_16,D_36,B_32 },
 302	[INSTR_SS_RRRDRD] = { 0xff, D_20,R_8,B_16,D_36,B_32,R_12 },
 303	[INSTR_S_00]	  = { 0xff, 0,0,0,0,0,0 },
 304	[INSTR_S_RD]	  = { 0xff, D_20,B_16,0,0,0,0 },
 305};
 306
 307enum {
 308	LONG_INSN_ALGHSIK,
 309	LONG_INSN_ALHSIK,
 310	LONG_INSN_CLFHSI,
 311	LONG_INSN_CLGFRL,
 312	LONG_INSN_CLGHRL,
 313	LONG_INSN_CLGHSI,
 314	LONG_INSN_CLHHSI,
 315	LONG_INSN_LLGFRL,
 316	LONG_INSN_LLGHRL,
 317	LONG_INSN_POPCNT,
 318	LONG_INSN_RISBHG,
 319	LONG_INSN_RISBLG,
 320};
 321
 322static char *long_insn_name[] = {
 323	[LONG_INSN_ALGHSIK] = "alghsik",
 324	[LONG_INSN_ALHSIK] = "alhsik",
 325	[LONG_INSN_CLFHSI] = "clfhsi",
 326	[LONG_INSN_CLGFRL] = "clgfrl",
 327	[LONG_INSN_CLGHRL] = "clghrl",
 328	[LONG_INSN_CLGHSI] = "clghsi",
 329	[LONG_INSN_CLHHSI] = "clhhsi",
 330	[LONG_INSN_LLGFRL] = "llgfrl",
 331	[LONG_INSN_LLGHRL] = "llghrl",
 332	[LONG_INSN_POPCNT] = "popcnt",
 333	[LONG_INSN_RISBHG] = "risbhg",
 334	[LONG_INSN_RISBLG] = "risblk",
 335};
 336
 337static struct insn opcode[] = {
 338#ifdef CONFIG_64BIT
 339	{ "lmd", 0xef, INSTR_SS_RRRDRD3 },
 340#endif
 341	{ "spm", 0x04, INSTR_RR_R0 },
 342	{ "balr", 0x05, INSTR_RR_RR },
 343	{ "bctr", 0x06, INSTR_RR_RR },
 344	{ "bcr", 0x07, INSTR_RR_UR },
 345	{ "svc", 0x0a, INSTR_RR_U0 },
 346	{ "bsm", 0x0b, INSTR_RR_RR },
 347	{ "bassm", 0x0c, INSTR_RR_RR },
 348	{ "basr", 0x0d, INSTR_RR_RR },
 349	{ "mvcl", 0x0e, INSTR_RR_RR },
 350	{ "clcl", 0x0f, INSTR_RR_RR },
 351	{ "lpr", 0x10, INSTR_RR_RR },
 352	{ "lnr", 0x11, INSTR_RR_RR },
 353	{ "ltr", 0x12, INSTR_RR_RR },
 354	{ "lcr", 0x13, INSTR_RR_RR },
 355	{ "nr", 0x14, INSTR_RR_RR },
 356	{ "clr", 0x15, INSTR_RR_RR },
 357	{ "or", 0x16, INSTR_RR_RR },
 358	{ "xr", 0x17, INSTR_RR_RR },
 359	{ "lr", 0x18, INSTR_RR_RR },
 360	{ "cr", 0x19, INSTR_RR_RR },
 361	{ "ar", 0x1a, INSTR_RR_RR },
 362	{ "sr", 0x1b, INSTR_RR_RR },
 363	{ "mr", 0x1c, INSTR_RR_RR },
 364	{ "dr", 0x1d, INSTR_RR_RR },
 365	{ "alr", 0x1e, INSTR_RR_RR },
 366	{ "slr", 0x1f, INSTR_RR_RR },
 367	{ "lpdr", 0x20, INSTR_RR_FF },
 368	{ "lndr", 0x21, INSTR_RR_FF },
 369	{ "ltdr", 0x22, INSTR_RR_FF },
 370	{ "lcdr", 0x23, INSTR_RR_FF },
 371	{ "hdr", 0x24, INSTR_RR_FF },
 372	{ "ldxr", 0x25, INSTR_RR_FF },
 373	{ "lrdr", 0x25, INSTR_RR_FF },
 374	{ "mxr", 0x26, INSTR_RR_FF },
 375	{ "mxdr", 0x27, INSTR_RR_FF },
 376	{ "ldr", 0x28, INSTR_RR_FF },
 377	{ "cdr", 0x29, INSTR_RR_FF },
 378	{ "adr", 0x2a, INSTR_RR_FF },
 379	{ "sdr", 0x2b, INSTR_RR_FF },
 380	{ "mdr", 0x2c, INSTR_RR_FF },
 381	{ "ddr", 0x2d, INSTR_RR_FF },
 382	{ "awr", 0x2e, INSTR_RR_FF },
 383	{ "swr", 0x2f, INSTR_RR_FF },
 384	{ "lper", 0x30, INSTR_RR_FF },
 385	{ "lner", 0x31, INSTR_RR_FF },
 386	{ "lter", 0x32, INSTR_RR_FF },
 387	{ "lcer", 0x33, INSTR_RR_FF },
 388	{ "her", 0x34, INSTR_RR_FF },
 389	{ "ledr", 0x35, INSTR_RR_FF },
 390	{ "lrer", 0x35, INSTR_RR_FF },
 391	{ "axr", 0x36, INSTR_RR_FF },
 392	{ "sxr", 0x37, INSTR_RR_FF },
 393	{ "ler", 0x38, INSTR_RR_FF },
 394	{ "cer", 0x39, INSTR_RR_FF },
 395	{ "aer", 0x3a, INSTR_RR_FF },
 396	{ "ser", 0x3b, INSTR_RR_FF },
 397	{ "mder", 0x3c, INSTR_RR_FF },
 398	{ "mer", 0x3c, INSTR_RR_FF },
 399	{ "der", 0x3d, INSTR_RR_FF },
 400	{ "aur", 0x3e, INSTR_RR_FF },
 401	{ "sur", 0x3f, INSTR_RR_FF },
 402	{ "sth", 0x40, INSTR_RX_RRRD },
 403	{ "la", 0x41, INSTR_RX_RRRD },
 404	{ "stc", 0x42, INSTR_RX_RRRD },
 405	{ "ic", 0x43, INSTR_RX_RRRD },
 406	{ "ex", 0x44, INSTR_RX_RRRD },
 407	{ "bal", 0x45, INSTR_RX_RRRD },
 408	{ "bct", 0x46, INSTR_RX_RRRD },
 409	{ "bc", 0x47, INSTR_RX_URRD },
 410	{ "lh", 0x48, INSTR_RX_RRRD },
 411	{ "ch", 0x49, INSTR_RX_RRRD },
 412	{ "ah", 0x4a, INSTR_RX_RRRD },
 413	{ "sh", 0x4b, INSTR_RX_RRRD },
 414	{ "mh", 0x4c, INSTR_RX_RRRD },
 415	{ "bas", 0x4d, INSTR_RX_RRRD },
 416	{ "cvd", 0x4e, INSTR_RX_RRRD },
 417	{ "cvb", 0x4f, INSTR_RX_RRRD },
 418	{ "st", 0x50, INSTR_RX_RRRD },
 419	{ "lae", 0x51, INSTR_RX_RRRD },
 420	{ "n", 0x54, INSTR_RX_RRRD },
 421	{ "cl", 0x55, INSTR_RX_RRRD },
 422	{ "o", 0x56, INSTR_RX_RRRD },
 423	{ "x", 0x57, INSTR_RX_RRRD },
 424	{ "l", 0x58, INSTR_RX_RRRD },
 425	{ "c", 0x59, INSTR_RX_RRRD },
 426	{ "a", 0x5a, INSTR_RX_RRRD },
 427	{ "s", 0x5b, INSTR_RX_RRRD },
 428	{ "m", 0x5c, INSTR_RX_RRRD },
 429	{ "d", 0x5d, INSTR_RX_RRRD },
 430	{ "al", 0x5e, INSTR_RX_RRRD },
 431	{ "sl", 0x5f, INSTR_RX_RRRD },
 432	{ "std", 0x60, INSTR_RX_FRRD },
 433	{ "mxd", 0x67, INSTR_RX_FRRD },
 434	{ "ld", 0x68, INSTR_RX_FRRD },
 435	{ "cd", 0x69, INSTR_RX_FRRD },
 436	{ "ad", 0x6a, INSTR_RX_FRRD },
 437	{ "sd", 0x6b, INSTR_RX_FRRD },
 438	{ "md", 0x6c, INSTR_RX_FRRD },
 439	{ "dd", 0x6d, INSTR_RX_FRRD },
 440	{ "aw", 0x6e, INSTR_RX_FRRD },
 441	{ "sw", 0x6f, INSTR_RX_FRRD },
 442	{ "ste", 0x70, INSTR_RX_FRRD },
 443	{ "ms", 0x71, INSTR_RX_RRRD },
 444	{ "le", 0x78, INSTR_RX_FRRD },
 445	{ "ce", 0x79, INSTR_RX_FRRD },
 446	{ "ae", 0x7a, INSTR_RX_FRRD },
 447	{ "se", 0x7b, INSTR_RX_FRRD },
 448	{ "mde", 0x7c, INSTR_RX_FRRD },
 449	{ "me", 0x7c, INSTR_RX_FRRD },
 450	{ "de", 0x7d, INSTR_RX_FRRD },
 451	{ "au", 0x7e, INSTR_RX_FRRD },
 452	{ "su", 0x7f, INSTR_RX_FRRD },
 453	{ "ssm", 0x80, INSTR_S_RD },
 454	{ "lpsw", 0x82, INSTR_S_RD },
 455	{ "diag", 0x83, INSTR_RS_RRRD },
 456	{ "brxh", 0x84, INSTR_RSI_RRP },
 457	{ "brxle", 0x85, INSTR_RSI_RRP },
 458	{ "bxh", 0x86, INSTR_RS_RRRD },
 459	{ "bxle", 0x87, INSTR_RS_RRRD },
 460	{ "srl", 0x88, INSTR_RS_R0RD },
 461	{ "sll", 0x89, INSTR_RS_R0RD },
 462	{ "sra", 0x8a, INSTR_RS_R0RD },
 463	{ "sla", 0x8b, INSTR_RS_R0RD },
 464	{ "srdl", 0x8c, INSTR_RS_R0RD },
 465	{ "sldl", 0x8d, INSTR_RS_R0RD },
 466	{ "srda", 0x8e, INSTR_RS_R0RD },
 467	{ "slda", 0x8f, INSTR_RS_R0RD },
 468	{ "stm", 0x90, INSTR_RS_RRRD },
 469	{ "tm", 0x91, INSTR_SI_URD },
 470	{ "mvi", 0x92, INSTR_SI_URD },
 471	{ "ts", 0x93, INSTR_S_RD },
 472	{ "ni", 0x94, INSTR_SI_URD },
 473	{ "cli", 0x95, INSTR_SI_URD },
 474	{ "oi", 0x96, INSTR_SI_URD },
 475	{ "xi", 0x97, INSTR_SI_URD },
 476	{ "lm", 0x98, INSTR_RS_RRRD },
 477	{ "trace", 0x99, INSTR_RS_RRRD },
 478	{ "lam", 0x9a, INSTR_RS_AARD },
 479	{ "stam", 0x9b, INSTR_RS_AARD },
 480	{ "mvcle", 0xa8, INSTR_RS_RRRD },
 481	{ "clcle", 0xa9, INSTR_RS_RRRD },
 482	{ "stnsm", 0xac, INSTR_SI_URD },
 483	{ "stosm", 0xad, INSTR_SI_URD },
 484	{ "sigp", 0xae, INSTR_RS_RRRD },
 485	{ "mc", 0xaf, INSTR_SI_URD },
 486	{ "lra", 0xb1, INSTR_RX_RRRD },
 487	{ "stctl", 0xb6, INSTR_RS_CCRD },
 488	{ "lctl", 0xb7, INSTR_RS_CCRD },
 489	{ "cs", 0xba, INSTR_RS_RRRD },
 490	{ "cds", 0xbb, INSTR_RS_RRRD },
 491	{ "clm", 0xbd, INSTR_RS_RURD },
 492	{ "stcm", 0xbe, INSTR_RS_RURD },
 493	{ "icm", 0xbf, INSTR_RS_RURD },
 494	{ "mvn", 0xd1, INSTR_SS_L0RDRD },
 495	{ "mvc", 0xd2, INSTR_SS_L0RDRD },
 496	{ "mvz", 0xd3, INSTR_SS_L0RDRD },
 497	{ "nc", 0xd4, INSTR_SS_L0RDRD },
 498	{ "clc", 0xd5, INSTR_SS_L0RDRD },
 499	{ "oc", 0xd6, INSTR_SS_L0RDRD },
 500	{ "xc", 0xd7, INSTR_SS_L0RDRD },
 501	{ "mvck", 0xd9, INSTR_SS_RRRDRD },
 502	{ "mvcp", 0xda, INSTR_SS_RRRDRD },
 503	{ "mvcs", 0xdb, INSTR_SS_RRRDRD },
 504	{ "tr", 0xdc, INSTR_SS_L0RDRD },
 505	{ "trt", 0xdd, INSTR_SS_L0RDRD },
 506	{ "ed", 0xde, INSTR_SS_L0RDRD },
 507	{ "edmk", 0xdf, INSTR_SS_L0RDRD },
 508	{ "pku", 0xe1, INSTR_SS_L0RDRD },
 509	{ "unpku", 0xe2, INSTR_SS_L0RDRD },
 510	{ "mvcin", 0xe8, INSTR_SS_L0RDRD },
 511	{ "pka", 0xe9, INSTR_SS_L0RDRD },
 512	{ "unpka", 0xea, INSTR_SS_L0RDRD },
 513	{ "plo", 0xee, INSTR_SS_RRRDRD2 },
 514	{ "srp", 0xf0, INSTR_SS_LIRDRD },
 515	{ "mvo", 0xf1, INSTR_SS_LLRDRD },
 516	{ "pack", 0xf2, INSTR_SS_LLRDRD },
 517	{ "unpk", 0xf3, INSTR_SS_LLRDRD },
 518	{ "zap", 0xf8, INSTR_SS_LLRDRD },
 519	{ "cp", 0xf9, INSTR_SS_LLRDRD },
 520	{ "ap", 0xfa, INSTR_SS_LLRDRD },
 521	{ "sp", 0xfb, INSTR_SS_LLRDRD },
 522	{ "mp", 0xfc, INSTR_SS_LLRDRD },
 523	{ "dp", 0xfd, INSTR_SS_LLRDRD },
 524	{ "", 0, INSTR_INVALID }
 525};
 526
 527static struct insn opcode_01[] = {
 528#ifdef CONFIG_64BIT
 529	{ "sam64", 0x0e, INSTR_E },
 530	{ "pfpo", 0x0a, INSTR_E },
 531	{ "ptff", 0x04, INSTR_E },
 532#endif
 533	{ "pr", 0x01, INSTR_E },
 534	{ "upt", 0x02, INSTR_E },
 535	{ "sckpf", 0x07, INSTR_E },
 536	{ "tam", 0x0b, INSTR_E },
 537	{ "sam24", 0x0c, INSTR_E },
 538	{ "sam31", 0x0d, INSTR_E },
 539	{ "trap2", 0xff, INSTR_E },
 540	{ "", 0, INSTR_INVALID }
 541};
 542
 543static struct insn opcode_a5[] = {
 544#ifdef CONFIG_64BIT
 545	{ "iihh", 0x00, INSTR_RI_RU },
 546	{ "iihl", 0x01, INSTR_RI_RU },
 547	{ "iilh", 0x02, INSTR_RI_RU },
 548	{ "iill", 0x03, INSTR_RI_RU },
 549	{ "nihh", 0x04, INSTR_RI_RU },
 550	{ "nihl", 0x05, INSTR_RI_RU },
 551	{ "nilh", 0x06, INSTR_RI_RU },
 552	{ "nill", 0x07, INSTR_RI_RU },
 553	{ "oihh", 0x08, INSTR_RI_RU },
 554	{ "oihl", 0x09, INSTR_RI_RU },
 555	{ "oilh", 0x0a, INSTR_RI_RU },
 556	{ "oill", 0x0b, INSTR_RI_RU },
 557	{ "llihh", 0x0c, INSTR_RI_RU },
 558	{ "llihl", 0x0d, INSTR_RI_RU },
 559	{ "llilh", 0x0e, INSTR_RI_RU },
 560	{ "llill", 0x0f, INSTR_RI_RU },
 561#endif
 562	{ "", 0, INSTR_INVALID }
 563};
 564
 565static struct insn opcode_a7[] = {
 566#ifdef CONFIG_64BIT
 567	{ "tmhh", 0x02, INSTR_RI_RU },
 568	{ "tmhl", 0x03, INSTR_RI_RU },
 569	{ "brctg", 0x07, INSTR_RI_RP },
 570	{ "lghi", 0x09, INSTR_RI_RI },
 571	{ "aghi", 0x0b, INSTR_RI_RI },
 572	{ "mghi", 0x0d, INSTR_RI_RI },
 573	{ "cghi", 0x0f, INSTR_RI_RI },
 574#endif
 575	{ "tmlh", 0x00, INSTR_RI_RU },
 576	{ "tmll", 0x01, INSTR_RI_RU },
 577	{ "brc", 0x04, INSTR_RI_UP },
 578	{ "bras", 0x05, INSTR_RI_RP },
 579	{ "brct", 0x06, INSTR_RI_RP },
 580	{ "lhi", 0x08, INSTR_RI_RI },
 581	{ "ahi", 0x0a, INSTR_RI_RI },
 582	{ "mhi", 0x0c, INSTR_RI_RI },
 583	{ "chi", 0x0e, INSTR_RI_RI },
 584	{ "", 0, INSTR_INVALID }
 585};
 586
 587static struct insn opcode_b2[] = {
 588#ifdef CONFIG_64BIT
 589	{ "sske", 0x2b, INSTR_RRF_M0RR },
 590	{ "stckf", 0x7c, INSTR_S_RD },
 591	{ "cu21", 0xa6, INSTR_RRF_M0RR },
 592	{ "cuutf", 0xa6, INSTR_RRF_M0RR },
 593	{ "cu12", 0xa7, INSTR_RRF_M0RR },
 594	{ "cutfu", 0xa7, INSTR_RRF_M0RR },
 595	{ "stfle", 0xb0, INSTR_S_RD },
 596	{ "lpswe", 0xb2, INSTR_S_RD },
 597	{ "srnmt", 0xb9, INSTR_S_RD },
 598	{ "lfas", 0xbd, INSTR_S_RD },
 599#endif
 600	{ "stidp", 0x02, INSTR_S_RD },
 601	{ "sck", 0x04, INSTR_S_RD },
 602	{ "stck", 0x05, INSTR_S_RD },
 603	{ "sckc", 0x06, INSTR_S_RD },
 604	{ "stckc", 0x07, INSTR_S_RD },
 605	{ "spt", 0x08, INSTR_S_RD },
 606	{ "stpt", 0x09, INSTR_S_RD },
 607	{ "spka", 0x0a, INSTR_S_RD },
 608	{ "ipk", 0x0b, INSTR_S_00 },
 609	{ "ptlb", 0x0d, INSTR_S_00 },
 610	{ "spx", 0x10, INSTR_S_RD },
 611	{ "stpx", 0x11, INSTR_S_RD },
 612	{ "stap", 0x12, INSTR_S_RD },
 613	{ "sie", 0x14, INSTR_S_RD },
 614	{ "pc", 0x18, INSTR_S_RD },
 615	{ "sac", 0x19, INSTR_S_RD },
 616	{ "cfc", 0x1a, INSTR_S_RD },
 617	{ "ipte", 0x21, INSTR_RRE_RR },
 618	{ "ipm", 0x22, INSTR_RRE_R0 },
 619	{ "ivsk", 0x23, INSTR_RRE_RR },
 620	{ "iac", 0x24, INSTR_RRE_R0 },
 621	{ "ssar", 0x25, INSTR_RRE_R0 },
 622	{ "epar", 0x26, INSTR_RRE_R0 },
 623	{ "esar", 0x27, INSTR_RRE_R0 },
 624	{ "pt", 0x28, INSTR_RRE_RR },
 625	{ "iske", 0x29, INSTR_RRE_RR },
 626	{ "rrbe", 0x2a, INSTR_RRE_RR },
 627	{ "sske", 0x2b, INSTR_RRE_RR },
 628	{ "tb", 0x2c, INSTR_RRE_0R },
 629	{ "dxr", 0x2d, INSTR_RRE_F0 },
 630	{ "pgin", 0x2e, INSTR_RRE_RR },
 631	{ "pgout", 0x2f, INSTR_RRE_RR },
 632	{ "csch", 0x30, INSTR_S_00 },
 633	{ "hsch", 0x31, INSTR_S_00 },
 634	{ "msch", 0x32, INSTR_S_RD },
 635	{ "ssch", 0x33, INSTR_S_RD },
 636	{ "stsch", 0x34, INSTR_S_RD },
 637	{ "tsch", 0x35, INSTR_S_RD },
 638	{ "tpi", 0x36, INSTR_S_RD },
 639	{ "sal", 0x37, INSTR_S_00 },
 640	{ "rsch", 0x38, INSTR_S_00 },
 641	{ "stcrw", 0x39, INSTR_S_RD },
 642	{ "stcps", 0x3a, INSTR_S_RD },
 643	{ "rchp", 0x3b, INSTR_S_00 },
 644	{ "schm", 0x3c, INSTR_S_00 },
 645	{ "bakr", 0x40, INSTR_RRE_RR },
 646	{ "cksm", 0x41, INSTR_RRE_RR },
 647	{ "sqdr", 0x44, INSTR_RRE_F0 },
 648	{ "sqer", 0x45, INSTR_RRE_F0 },
 649	{ "stura", 0x46, INSTR_RRE_RR },
 650	{ "msta", 0x47, INSTR_RRE_R0 },
 651	{ "palb", 0x48, INSTR_RRE_00 },
 652	{ "ereg", 0x49, INSTR_RRE_RR },
 653	{ "esta", 0x4a, INSTR_RRE_RR },
 654	{ "lura", 0x4b, INSTR_RRE_RR },
 655	{ "tar", 0x4c, INSTR_RRE_AR },
 656	{ "cpya", 0x4d, INSTR_RRE_AA },
 657	{ "sar", 0x4e, INSTR_RRE_AR },
 658	{ "ear", 0x4f, INSTR_RRE_RA },
 659	{ "csp", 0x50, INSTR_RRE_RR },
 660	{ "msr", 0x52, INSTR_RRE_RR },
 661	{ "mvpg", 0x54, INSTR_RRE_RR },
 662	{ "mvst", 0x55, INSTR_RRE_RR },
 663	{ "cuse", 0x57, INSTR_RRE_RR },
 664	{ "bsg", 0x58, INSTR_RRE_RR },
 665	{ "bsa", 0x5a, INSTR_RRE_RR },
 666	{ "clst", 0x5d, INSTR_RRE_RR },
 667	{ "srst", 0x5e, INSTR_RRE_RR },
 668	{ "cmpsc", 0x63, INSTR_RRE_RR },
 669	{ "siga", 0x74, INSTR_S_RD },
 670	{ "xsch", 0x76, INSTR_S_00 },
 671	{ "rp", 0x77, INSTR_S_RD },
 672	{ "stcke", 0x78, INSTR_S_RD },
 673	{ "sacf", 0x79, INSTR_S_RD },
 674	{ "spp", 0x80, INSTR_S_RD },
 675	{ "stsi", 0x7d, INSTR_S_RD },
 676	{ "srnm", 0x99, INSTR_S_RD },
 677	{ "stfpc", 0x9c, INSTR_S_RD },
 678	{ "lfpc", 0x9d, INSTR_S_RD },
 679	{ "tre", 0xa5, INSTR_RRE_RR },
 680	{ "cuutf", 0xa6, INSTR_RRE_RR },
 681	{ "cutfu", 0xa7, INSTR_RRE_RR },
 682	{ "stfl", 0xb1, INSTR_S_RD },
 683	{ "trap4", 0xff, INSTR_S_RD },
 684	{ "", 0, INSTR_INVALID }
 685};
 686
 687static struct insn opcode_b3[] = {
 688#ifdef CONFIG_64BIT
 689	{ "maylr", 0x38, INSTR_RRF_F0FF },
 690	{ "mylr", 0x39, INSTR_RRF_F0FF },
 691	{ "mayr", 0x3a, INSTR_RRF_F0FF },
 692	{ "myr", 0x3b, INSTR_RRF_F0FF },
 693	{ "mayhr", 0x3c, INSTR_RRF_F0FF },
 694	{ "myhr", 0x3d, INSTR_RRF_F0FF },
 695	{ "cegbr", 0xa4, INSTR_RRE_RR },
 696	{ "cdgbr", 0xa5, INSTR_RRE_RR },
 697	{ "cxgbr", 0xa6, INSTR_RRE_RR },
 698	{ "cgebr", 0xa8, INSTR_RRF_U0RF },
 699	{ "cgdbr", 0xa9, INSTR_RRF_U0RF },
 700	{ "cgxbr", 0xaa, INSTR_RRF_U0RF },
 701	{ "cfer", 0xb8, INSTR_RRF_U0RF },
 702	{ "cfdr", 0xb9, INSTR_RRF_U0RF },
 703	{ "cfxr", 0xba, INSTR_RRF_U0RF },
 704	{ "cegr", 0xc4, INSTR_RRE_RR },
 705	{ "cdgr", 0xc5, INSTR_RRE_RR },
 706	{ "cxgr", 0xc6, INSTR_RRE_RR },
 707	{ "cger", 0xc8, INSTR_RRF_U0RF },
 708	{ "cgdr", 0xc9, INSTR_RRF_U0RF },
 709	{ "cgxr", 0xca, INSTR_RRF_U0RF },
 710	{ "lpdfr", 0x70, INSTR_RRE_FF },
 711	{ "lndfr", 0x71, INSTR_RRE_FF },
 712	{ "cpsdr", 0x72, INSTR_RRF_F0FF2 },
 713	{ "lcdfr", 0x73, INSTR_RRE_FF },
 714	{ "ldgr", 0xc1, INSTR_RRE_FR },
 715	{ "lgdr", 0xcd, INSTR_RRE_RF },
 716	{ "adtr", 0xd2, INSTR_RRR_F0FF },
 717	{ "axtr", 0xda, INSTR_RRR_F0FF },
 718	{ "cdtr", 0xe4, INSTR_RRE_FF },
 719	{ "cxtr", 0xec, INSTR_RRE_FF },
 720	{ "kdtr", 0xe0, INSTR_RRE_FF },
 721	{ "kxtr", 0xe8, INSTR_RRE_FF },
 722	{ "cedtr", 0xf4, INSTR_RRE_FF },
 723	{ "cextr", 0xfc, INSTR_RRE_FF },
 724	{ "cdgtr", 0xf1, INSTR_RRE_FR },
 725	{ "cxgtr", 0xf9, INSTR_RRE_FR },
 726	{ "cdstr", 0xf3, INSTR_RRE_FR },
 727	{ "cxstr", 0xfb, INSTR_RRE_FR },
 728	{ "cdutr", 0xf2, INSTR_RRE_FR },
 729	{ "cxutr", 0xfa, INSTR_RRE_FR },
 730	{ "cgdtr", 0xe1, INSTR_RRF_U0RF },
 731	{ "cgxtr", 0xe9, INSTR_RRF_U0RF },
 732	{ "csdtr", 0xe3, INSTR_RRE_RF },
 733	{ "csxtr", 0xeb, INSTR_RRE_RF },
 734	{ "cudtr", 0xe2, INSTR_RRE_RF },
 735	{ "cuxtr", 0xea, INSTR_RRE_RF },
 736	{ "ddtr", 0xd1, INSTR_RRR_F0FF },
 737	{ "dxtr", 0xd9, INSTR_RRR_F0FF },
 738	{ "eedtr", 0xe5, INSTR_RRE_RF },
 739	{ "eextr", 0xed, INSTR_RRE_RF },
 740	{ "esdtr", 0xe7, INSTR_RRE_RF },
 741	{ "esxtr", 0xef, INSTR_RRE_RF },
 742	{ "iedtr", 0xf6, INSTR_RRF_F0FR },
 743	{ "iextr", 0xfe, INSTR_RRF_F0FR },
 744	{ "ltdtr", 0xd6, INSTR_RRE_FF },
 745	{ "ltxtr", 0xde, INSTR_RRE_FF },
 746	{ "fidtr", 0xd7, INSTR_RRF_UUFF },
 747	{ "fixtr", 0xdf, INSTR_RRF_UUFF },
 748	{ "ldetr", 0xd4, INSTR_RRF_0UFF },
 749	{ "lxdtr", 0xdc, INSTR_RRF_0UFF },
 750	{ "ledtr", 0xd5, INSTR_RRF_UUFF },
 751	{ "ldxtr", 0xdd, INSTR_RRF_UUFF },
 752	{ "mdtr", 0xd0, INSTR_RRR_F0FF },
 753	{ "mxtr", 0xd8, INSTR_RRR_F0FF },
 754	{ "qadtr", 0xf5, INSTR_RRF_FUFF },
 755	{ "qaxtr", 0xfd, INSTR_RRF_FUFF },
 756	{ "rrdtr", 0xf7, INSTR_RRF_FFRU },
 757	{ "rrxtr", 0xff, INSTR_RRF_FFRU },
 758	{ "sfasr", 0x85, INSTR_RRE_R0 },
 759	{ "sdtr", 0xd3, INSTR_RRR_F0FF },
 760	{ "sxtr", 0xdb, INSTR_RRR_F0FF },
 761#endif
 762	{ "lpebr", 0x00, INSTR_RRE_FF },
 763	{ "lnebr", 0x01, INSTR_RRE_FF },
 764	{ "ltebr", 0x02, INSTR_RRE_FF },
 765	{ "lcebr", 0x03, INSTR_RRE_FF },
 766	{ "ldebr", 0x04, INSTR_RRE_FF },
 767	{ "lxdbr", 0x05, INSTR_RRE_FF },
 768	{ "lxebr", 0x06, INSTR_RRE_FF },
 769	{ "mxdbr", 0x07, INSTR_RRE_FF },
 770	{ "kebr", 0x08, INSTR_RRE_FF },
 771	{ "cebr", 0x09, INSTR_RRE_FF },
 772	{ "aebr", 0x0a, INSTR_RRE_FF },
 773	{ "sebr", 0x0b, INSTR_RRE_FF },
 774	{ "mdebr", 0x0c, INSTR_RRE_FF },
 775	{ "debr", 0x0d, INSTR_RRE_FF },
 776	{ "maebr", 0x0e, INSTR_RRF_F0FF },
 777	{ "msebr", 0x0f, INSTR_RRF_F0FF },
 778	{ "lpdbr", 0x10, INSTR_RRE_FF },
 779	{ "lndbr", 0x11, INSTR_RRE_FF },
 780	{ "ltdbr", 0x12, INSTR_RRE_FF },
 781	{ "lcdbr", 0x13, INSTR_RRE_FF },
 782	{ "sqebr", 0x14, INSTR_RRE_FF },
 783	{ "sqdbr", 0x15, INSTR_RRE_FF },
 784	{ "sqxbr", 0x16, INSTR_RRE_FF },
 785	{ "meebr", 0x17, INSTR_RRE_FF },
 786	{ "kdbr", 0x18, INSTR_RRE_FF },
 787	{ "cdbr", 0x19, INSTR_RRE_FF },
 788	{ "adbr", 0x1a, INSTR_RRE_FF },
 789	{ "sdbr", 0x1b, INSTR_RRE_FF },
 790	{ "mdbr", 0x1c, INSTR_RRE_FF },
 791	{ "ddbr", 0x1d, INSTR_RRE_FF },
 792	{ "madbr", 0x1e, INSTR_RRF_F0FF },
 793	{ "msdbr", 0x1f, INSTR_RRF_F0FF },
 794	{ "lder", 0x24, INSTR_RRE_FF },
 795	{ "lxdr", 0x25, INSTR_RRE_FF },
 796	{ "lxer", 0x26, INSTR_RRE_FF },
 797	{ "maer", 0x2e, INSTR_RRF_F0FF },
 798	{ "mser", 0x2f, INSTR_RRF_F0FF },
 799	{ "sqxr", 0x36, INSTR_RRE_FF },
 800	{ "meer", 0x37, INSTR_RRE_FF },
 801	{ "madr", 0x3e, INSTR_RRF_F0FF },
 802	{ "msdr", 0x3f, INSTR_RRF_F0FF },
 803	{ "lpxbr", 0x40, INSTR_RRE_FF },
 804	{ "lnxbr", 0x41, INSTR_RRE_FF },
 805	{ "ltxbr", 0x42, INSTR_RRE_FF },
 806	{ "lcxbr", 0x43, INSTR_RRE_FF },
 807	{ "ledbr", 0x44, INSTR_RRE_FF },
 808	{ "ldxbr", 0x45, INSTR_RRE_FF },
 809	{ "lexbr", 0x46, INSTR_RRE_FF },
 810	{ "fixbr", 0x47, INSTR_RRF_U0FF },
 811	{ "kxbr", 0x48, INSTR_RRE_FF },
 812	{ "cxbr", 0x49, INSTR_RRE_FF },
 813	{ "axbr", 0x4a, INSTR_RRE_FF },
 814	{ "sxbr", 0x4b, INSTR_RRE_FF },
 815	{ "mxbr", 0x4c, INSTR_RRE_FF },
 816	{ "dxbr", 0x4d, INSTR_RRE_FF },
 817	{ "tbedr", 0x50, INSTR_RRF_U0FF },
 818	{ "tbdr", 0x51, INSTR_RRF_U0FF },
 819	{ "diebr", 0x53, INSTR_RRF_FUFF },
 820	{ "fiebr", 0x57, INSTR_RRF_U0FF },
 821	{ "thder", 0x58, INSTR_RRE_RR },
 822	{ "thdr", 0x59, INSTR_RRE_RR },
 823	{ "didbr", 0x5b, INSTR_RRF_FUFF },
 824	{ "fidbr", 0x5f, INSTR_RRF_U0FF },
 825	{ "lpxr", 0x60, INSTR_RRE_FF },
 826	{ "lnxr", 0x61, INSTR_RRE_FF },
 827	{ "ltxr", 0x62, INSTR_RRE_FF },
 828	{ "lcxr", 0x63, INSTR_RRE_FF },
 829	{ "lxr", 0x65, INSTR_RRE_RR },
 830	{ "lexr", 0x66, INSTR_RRE_FF },
 831	{ "fixr", 0x67, INSTR_RRF_U0FF },
 832	{ "cxr", 0x69, INSTR_RRE_FF },
 833	{ "lzer", 0x74, INSTR_RRE_R0 },
 834	{ "lzdr", 0x75, INSTR_RRE_R0 },
 835	{ "lzxr", 0x76, INSTR_RRE_R0 },
 836	{ "fier", 0x77, INSTR_RRF_U0FF },
 837	{ "fidr", 0x7f, INSTR_RRF_U0FF },
 838	{ "sfpc", 0x84, INSTR_RRE_RR_OPT },
 839	{ "efpc", 0x8c, INSTR_RRE_RR_OPT },
 840	{ "cefbr", 0x94, INSTR_RRE_RF },
 841	{ "cdfbr", 0x95, INSTR_RRE_RF },
 842	{ "cxfbr", 0x96, INSTR_RRE_RF },
 843	{ "cfebr", 0x98, INSTR_RRF_U0RF },
 844	{ "cfdbr", 0x99, INSTR_RRF_U0RF },
 845	{ "cfxbr", 0x9a, INSTR_RRF_U0RF },
 846	{ "cefr", 0xb4, INSTR_RRE_RF },
 847	{ "cdfr", 0xb5, INSTR_RRE_RF },
 848	{ "cxfr", 0xb6, INSTR_RRE_RF },
 849	{ "", 0, INSTR_INVALID }
 850};
 851
 852static struct insn opcode_b9[] = {
 853#ifdef CONFIG_64BIT
 854	{ "lpgr", 0x00, INSTR_RRE_RR },
 855	{ "lngr", 0x01, INSTR_RRE_RR },
 856	{ "ltgr", 0x02, INSTR_RRE_RR },
 857	{ "lcgr", 0x03, INSTR_RRE_RR },
 858	{ "lgr", 0x04, INSTR_RRE_RR },
 859	{ "lurag", 0x05, INSTR_RRE_RR },
 860	{ "lgbr", 0x06, INSTR_RRE_RR },
 861	{ "lghr", 0x07, INSTR_RRE_RR },
 862	{ "agr", 0x08, INSTR_RRE_RR },
 863	{ "sgr", 0x09, INSTR_RRE_RR },
 864	{ "algr", 0x0a, INSTR_RRE_RR },
 865	{ "slgr", 0x0b, INSTR_RRE_RR },
 866	{ "msgr", 0x0c, INSTR_RRE_RR },
 867	{ "dsgr", 0x0d, INSTR_RRE_RR },
 868	{ "eregg", 0x0e, INSTR_RRE_RR },
 869	{ "lrvgr", 0x0f, INSTR_RRE_RR },
 870	{ "lpgfr", 0x10, INSTR_RRE_RR },
 871	{ "lngfr", 0x11, INSTR_RRE_RR },
 872	{ "ltgfr", 0x12, INSTR_RRE_RR },
 873	{ "lcgfr", 0x13, INSTR_RRE_RR },
 874	{ "lgfr", 0x14, INSTR_RRE_RR },
 875	{ "llgfr", 0x16, INSTR_RRE_RR },
 876	{ "llgtr", 0x17, INSTR_RRE_RR },
 877	{ "agfr", 0x18, INSTR_RRE_RR },
 878	{ "sgfr", 0x19, INSTR_RRE_RR },
 879	{ "algfr", 0x1a, INSTR_RRE_RR },
 880	{ "slgfr", 0x1b, INSTR_RRE_RR },
 881	{ "msgfr", 0x1c, INSTR_RRE_RR },
 882	{ "dsgfr", 0x1d, INSTR_RRE_RR },
 883	{ "cgr", 0x20, INSTR_RRE_RR },
 884	{ "clgr", 0x21, INSTR_RRE_RR },
 885	{ "sturg", 0x25, INSTR_RRE_RR },
 886	{ "lbr", 0x26, INSTR_RRE_RR },
 887	{ "lhr", 0x27, INSTR_RRE_RR },
 888	{ "cgfr", 0x30, INSTR_RRE_RR },
 889	{ "clgfr", 0x31, INSTR_RRE_RR },
 890	{ "bctgr", 0x46, INSTR_RRE_RR },
 891	{ "ngr", 0x80, INSTR_RRE_RR },
 892	{ "ogr", 0x81, INSTR_RRE_RR },
 893	{ "xgr", 0x82, INSTR_RRE_RR },
 894	{ "flogr", 0x83, INSTR_RRE_RR },
 895	{ "llgcr", 0x84, INSTR_RRE_RR },
 896	{ "llghr", 0x85, INSTR_RRE_RR },
 897	{ "mlgr", 0x86, INSTR_RRE_RR },
 898	{ "dlgr", 0x87, INSTR_RRE_RR },
 899	{ "alcgr", 0x88, INSTR_RRE_RR },
 900	{ "slbgr", 0x89, INSTR_RRE_RR },
 901	{ "cspg", 0x8a, INSTR_RRE_RR },
 902	{ "idte", 0x8e, INSTR_RRF_R0RR },
 903	{ "llcr", 0x94, INSTR_RRE_RR },
 904	{ "llhr", 0x95, INSTR_RRE_RR },
 905	{ "esea", 0x9d, INSTR_RRE_R0 },
 906	{ "lptea", 0xaa, INSTR_RRF_RURR },
 907	{ "cu14", 0xb0, INSTR_RRF_M0RR },
 908	{ "cu24", 0xb1, INSTR_RRF_M0RR },
 909	{ "cu41", 0xb2, INSTR_RRF_M0RR },
 910	{ "cu42", 0xb3, INSTR_RRF_M0RR },
 911	{ "crt", 0x72, INSTR_RRF_U0RR },
 912	{ "cgrt", 0x60, INSTR_RRF_U0RR },
 913	{ "clrt", 0x73, INSTR_RRF_U0RR },
 914	{ "clgrt", 0x61, INSTR_RRF_U0RR },
 915	{ "ptf", 0xa2, INSTR_RRE_R0 },
 916	{ "pfmf", 0xaf, INSTR_RRE_RR },
 917	{ "trte", 0xbf, INSTR_RRF_M0RR },
 918	{ "trtre", 0xbd, INSTR_RRF_M0RR },
 919	{ "ahhhr", 0xc8, INSTR_RRF_R0RR2 },
 920	{ "shhhr", 0xc9, INSTR_RRF_R0RR2 },
 921	{ "alhhh", 0xca, INSTR_RRF_R0RR2 },
 922	{ "alhhl", 0xca, INSTR_RRF_R0RR2 },
 923	{ "slhhh", 0xcb, INSTR_RRF_R0RR2 },
 924	{ "chhr ", 0xcd, INSTR_RRE_RR },
 925	{ "clhhr", 0xcf, INSTR_RRE_RR },
 926	{ "ahhlr", 0xd8, INSTR_RRF_R0RR2 },
 927	{ "shhlr", 0xd9, INSTR_RRF_R0RR2 },
 928	{ "slhhl", 0xdb, INSTR_RRF_R0RR2 },
 929	{ "chlr", 0xdd, INSTR_RRE_RR },
 930	{ "clhlr", 0xdf, INSTR_RRE_RR },
 931	{ { 0, LONG_INSN_POPCNT }, 0xe1, INSTR_RRE_RR },
 932	{ "locgr", 0xe2, INSTR_RRF_M0RR },
 933	{ "ngrk", 0xe4, INSTR_RRF_R0RR2 },
 934	{ "ogrk", 0xe6, INSTR_RRF_R0RR2 },
 935	{ "xgrk", 0xe7, INSTR_RRF_R0RR2 },
 936	{ "agrk", 0xe8, INSTR_RRF_R0RR2 },
 937	{ "sgrk", 0xe9, INSTR_RRF_R0RR2 },
 938	{ "algrk", 0xea, INSTR_RRF_R0RR2 },
 939	{ "slgrk", 0xeb, INSTR_RRF_R0RR2 },
 940	{ "locr", 0xf2, INSTR_RRF_M0RR },
 941	{ "nrk", 0xf4, INSTR_RRF_R0RR2 },
 942	{ "ork", 0xf6, INSTR_RRF_R0RR2 },
 943	{ "xrk", 0xf7, INSTR_RRF_R0RR2 },
 944	{ "ark", 0xf8, INSTR_RRF_R0RR2 },
 945	{ "srk", 0xf9, INSTR_RRF_R0RR2 },
 946	{ "alrk", 0xfa, INSTR_RRF_R0RR2 },
 947	{ "slrk", 0xfb, INSTR_RRF_R0RR2 },
 948#endif
 949	{ "kmac", 0x1e, INSTR_RRE_RR },
 950	{ "lrvr", 0x1f, INSTR_RRE_RR },
 951	{ "km", 0x2e, INSTR_RRE_RR },
 952	{ "kmc", 0x2f, INSTR_RRE_RR },
 953	{ "kimd", 0x3e, INSTR_RRE_RR },
 954	{ "klmd", 0x3f, INSTR_RRE_RR },
 955	{ "epsw", 0x8d, INSTR_RRE_RR },
 956	{ "trtt", 0x90, INSTR_RRE_RR },
 957	{ "trtt", 0x90, INSTR_RRF_M0RR },
 958	{ "trto", 0x91, INSTR_RRE_RR },
 959	{ "trto", 0x91, INSTR_RRF_M0RR },
 960	{ "trot", 0x92, INSTR_RRE_RR },
 961	{ "trot", 0x92, INSTR_RRF_M0RR },
 962	{ "troo", 0x93, INSTR_RRE_RR },
 963	{ "troo", 0x93, INSTR_RRF_M0RR },
 964	{ "mlr", 0x96, INSTR_RRE_RR },
 965	{ "dlr", 0x97, INSTR_RRE_RR },
 966	{ "alcr", 0x98, INSTR_RRE_RR },
 967	{ "slbr", 0x99, INSTR_RRE_RR },
 968	{ "", 0, INSTR_INVALID }
 969};
 970
 971static struct insn opcode_c0[] = {
 972#ifdef CONFIG_64BIT
 973	{ "lgfi", 0x01, INSTR_RIL_RI },
 974	{ "xihf", 0x06, INSTR_RIL_RU },
 975	{ "xilf", 0x07, INSTR_RIL_RU },
 976	{ "iihf", 0x08, INSTR_RIL_RU },
 977	{ "iilf", 0x09, INSTR_RIL_RU },
 978	{ "nihf", 0x0a, INSTR_RIL_RU },
 979	{ "nilf", 0x0b, INSTR_RIL_RU },
 980	{ "oihf", 0x0c, INSTR_RIL_RU },
 981	{ "oilf", 0x0d, INSTR_RIL_RU },
 982	{ "llihf", 0x0e, INSTR_RIL_RU },
 983	{ "llilf", 0x0f, INSTR_RIL_RU },
 984#endif
 985	{ "larl", 0x00, INSTR_RIL_RP },
 986	{ "brcl", 0x04, INSTR_RIL_UP },
 987	{ "brasl", 0x05, INSTR_RIL_RP },
 988	{ "", 0, INSTR_INVALID }
 989};
 990
 991static struct insn opcode_c2[] = {
 992#ifdef CONFIG_64BIT
 993	{ "slgfi", 0x04, INSTR_RIL_RU },
 994	{ "slfi", 0x05, INSTR_RIL_RU },
 995	{ "agfi", 0x08, INSTR_RIL_RI },
 996	{ "afi", 0x09, INSTR_RIL_RI },
 997	{ "algfi", 0x0a, INSTR_RIL_RU },
 998	{ "alfi", 0x0b, INSTR_RIL_RU },
 999	{ "cgfi", 0x0c, INSTR_RIL_RI },
1000	{ "cfi", 0x0d, INSTR_RIL_RI },
1001	{ "clgfi", 0x0e, INSTR_RIL_RU },
1002	{ "clfi", 0x0f, INSTR_RIL_RU },
1003	{ "msfi", 0x01, INSTR_RIL_RI },
1004	{ "msgfi", 0x00, INSTR_RIL_RI },
1005#endif
1006	{ "", 0, INSTR_INVALID }
1007};
1008
1009static struct insn opcode_c4[] = {
1010#ifdef CONFIG_64BIT
1011	{ "lrl", 0x0d, INSTR_RIL_RP },
1012	{ "lgrl", 0x08, INSTR_RIL_RP },
1013	{ "lgfrl", 0x0c, INSTR_RIL_RP },
1014	{ "lhrl", 0x05, INSTR_RIL_RP },
1015	{ "lghrl", 0x04, INSTR_RIL_RP },
1016	{ { 0, LONG_INSN_LLGFRL }, 0x0e, INSTR_RIL_RP },
1017	{ "llhrl", 0x02, INSTR_RIL_RP },
1018	{ { 0, LONG_INSN_LLGHRL }, 0x06, INSTR_RIL_RP },
1019	{ "strl", 0x0f, INSTR_RIL_RP },
1020	{ "stgrl", 0x0b, INSTR_RIL_RP },
1021	{ "sthrl", 0x07, INSTR_RIL_RP },
1022#endif
1023	{ "", 0, INSTR_INVALID }
1024};
1025
1026static struct insn opcode_c6[] = {
1027#ifdef CONFIG_64BIT
1028	{ "crl", 0x0d, INSTR_RIL_RP },
1029	{ "cgrl", 0x08, INSTR_RIL_RP },
1030	{ "cgfrl", 0x0c, INSTR_RIL_RP },
1031	{ "chrl", 0x05, INSTR_RIL_RP },
1032	{ "cghrl", 0x04, INSTR_RIL_RP },
1033	{ "clrl", 0x0f, INSTR_RIL_RP },
1034	{ "clgrl", 0x0a, INSTR_RIL_RP },
1035	{ { 0, LONG_INSN_CLGFRL }, 0x0e, INSTR_RIL_RP },
1036	{ "clhrl", 0x07, INSTR_RIL_RP },
1037	{ { 0, LONG_INSN_CLGHRL }, 0x06, INSTR_RIL_RP },
1038	{ "pfdrl", 0x02, INSTR_RIL_UP },
1039	{ "exrl", 0x00, INSTR_RIL_RP },
1040#endif
1041	{ "", 0, INSTR_INVALID }
1042};
1043
1044static struct insn opcode_c8[] = {
1045#ifdef CONFIG_64BIT
1046	{ "mvcos", 0x00, INSTR_SSF_RRDRD },
1047	{ "ectg", 0x01, INSTR_SSF_RRDRD },
1048	{ "csst", 0x02, INSTR_SSF_RRDRD },
1049	{ "lpd", 0x04, INSTR_SSF_RRDRD2 },
1050	{ "lpdg ", 0x05, INSTR_SSF_RRDRD2 },
1051#endif
1052	{ "", 0, INSTR_INVALID }
1053};
1054
1055static struct insn opcode_cc[] = {
1056#ifdef CONFIG_64BIT
1057	{ "brcth", 0x06, INSTR_RIL_RP },
1058	{ "aih", 0x08, INSTR_RIL_RI },
1059	{ "alsih", 0x0a, INSTR_RIL_RI },
1060	{ "alsih", 0x0b, INSTR_RIL_RI },
1061	{ "cih", 0x0d, INSTR_RIL_RI },
1062	{ "clih ", 0x0f, INSTR_RIL_RI },
1063#endif
1064	{ "", 0, INSTR_INVALID }
1065};
1066
1067static struct insn opcode_e3[] = {
1068#ifdef CONFIG_64BIT
1069	{ "ltg", 0x02, INSTR_RXY_RRRD },
1070	{ "lrag", 0x03, INSTR_RXY_RRRD },
1071	{ "lg", 0x04, INSTR_RXY_RRRD },
1072	{ "cvby", 0x06, INSTR_RXY_RRRD },
1073	{ "ag", 0x08, INSTR_RXY_RRRD },
1074	{ "sg", 0x09, INSTR_RXY_RRRD },
1075	{ "alg", 0x0a, INSTR_RXY_RRRD },
1076	{ "slg", 0x0b, INSTR_RXY_RRRD },
1077	{ "msg", 0x0c, INSTR_RXY_RRRD },
1078	{ "dsg", 0x0d, INSTR_RXY_RRRD },
1079	{ "cvbg", 0x0e, INSTR_RXY_RRRD },
1080	{ "lrvg", 0x0f, INSTR_RXY_RRRD },
1081	{ "lt", 0x12, INSTR_RXY_RRRD },
1082	{ "lray", 0x13, INSTR_RXY_RRRD },
1083	{ "lgf", 0x14, INSTR_RXY_RRRD },
1084	{ "lgh", 0x15, INSTR_RXY_RRRD },
1085	{ "llgf", 0x16, INSTR_RXY_RRRD },
1086	{ "llgt", 0x17, INSTR_RXY_RRRD },
1087	{ "agf", 0x18, INSTR_RXY_RRRD },
1088	{ "sgf", 0x19, INSTR_RXY_RRRD },
1089	{ "algf", 0x1a, INSTR_RXY_RRRD },
1090	{ "slgf", 0x1b, INSTR_RXY_RRRD },
1091	{ "msgf", 0x1c, INSTR_RXY_RRRD },
1092	{ "dsgf", 0x1d, INSTR_RXY_RRRD },
1093	{ "cg", 0x20, INSTR_RXY_RRRD },
1094	{ "clg", 0x21, INSTR_RXY_RRRD },
1095	{ "stg", 0x24, INSTR_RXY_RRRD },
1096	{ "cvdy", 0x26, INSTR_RXY_RRRD },
1097	{ "cvdg", 0x2e, INSTR_RXY_RRRD },
1098	{ "strvg", 0x2f, INSTR_RXY_RRRD },
1099	{ "cgf", 0x30, INSTR_RXY_RRRD },
1100	{ "clgf", 0x31, INSTR_RXY_RRRD },
1101	{ "strvh", 0x3f, INSTR_RXY_RRRD },
1102	{ "bctg", 0x46, INSTR_RXY_RRRD },
1103	{ "sty", 0x50, INSTR_RXY_RRRD },
1104	{ "msy", 0x51, INSTR_RXY_RRRD },
1105	{ "ny", 0x54, INSTR_RXY_RRRD },
1106	{ "cly", 0x55, INSTR_RXY_RRRD },
1107	{ "oy", 0x56, INSTR_RXY_RRRD },
1108	{ "xy", 0x57, INSTR_RXY_RRRD },
1109	{ "ly", 0x58, INSTR_RXY_RRRD },
1110	{ "cy", 0x59, INSTR_RXY_RRRD },
1111	{ "ay", 0x5a, INSTR_RXY_RRRD },
1112	{ "sy", 0x5b, INSTR_RXY_RRRD },
1113	{ "aly", 0x5e, INSTR_RXY_RRRD },
1114	{ "sly", 0x5f, INSTR_RXY_RRRD },
1115	{ "sthy", 0x70, INSTR_RXY_RRRD },
1116	{ "lay", 0x71, INSTR_RXY_RRRD },
1117	{ "stcy", 0x72, INSTR_RXY_RRRD },
1118	{ "icy", 0x73, INSTR_RXY_RRRD },
1119	{ "lb", 0x76, INSTR_RXY_RRRD },
1120	{ "lgb", 0x77, INSTR_RXY_RRRD },
1121	{ "lhy", 0x78, INSTR_RXY_RRRD },
1122	{ "chy", 0x79, INSTR_RXY_RRRD },
1123	{ "ahy", 0x7a, INSTR_RXY_RRRD },
1124	{ "shy", 0x7b, INSTR_RXY_RRRD },
1125	{ "ng", 0x80, INSTR_RXY_RRRD },
1126	{ "og", 0x81, INSTR_RXY_RRRD },
1127	{ "xg", 0x82, INSTR_RXY_RRRD },
1128	{ "mlg", 0x86, INSTR_RXY_RRRD },
1129	{ "dlg", 0x87, INSTR_RXY_RRRD },
1130	{ "alcg", 0x88, INSTR_RXY_RRRD },
1131	{ "slbg", 0x89, INSTR_RXY_RRRD },
1132	{ "stpq", 0x8e, INSTR_RXY_RRRD },
1133	{ "lpq", 0x8f, INSTR_RXY_RRRD },
1134	{ "llgc", 0x90, INSTR_RXY_RRRD },
1135	{ "llgh", 0x91, INSTR_RXY_RRRD },
1136	{ "llc", 0x94, INSTR_RXY_RRRD },
1137	{ "llh", 0x95, INSTR_RXY_RRRD },
1138	{ "cgh", 0x34, INSTR_RXY_RRRD },
1139	{ "laey", 0x75, INSTR_RXY_RRRD },
1140	{ "ltgf", 0x32, INSTR_RXY_RRRD },
1141	{ "mfy", 0x5c, INSTR_RXY_RRRD },
1142	{ "mhy", 0x7c, INSTR_RXY_RRRD },
1143	{ "pfd", 0x36, INSTR_RXY_URRD },
1144	{ "lbh", 0xc0, INSTR_RXY_RRRD },
1145	{ "llch", 0xc2, INSTR_RXY_RRRD },
1146	{ "stch", 0xc3, INSTR_RXY_RRRD },
1147	{ "lhh", 0xc4, INSTR_RXY_RRRD },
1148	{ "llhh", 0xc6, INSTR_RXY_RRRD },
1149	{ "sthh", 0xc7, INSTR_RXY_RRRD },
1150	{ "lfh", 0xca, INSTR_RXY_RRRD },
1151	{ "stfh", 0xcb, INSTR_RXY_RRRD },
1152	{ "chf", 0xcd, INSTR_RXY_RRRD },
1153	{ "clhf", 0xcf, INSTR_RXY_RRRD },
1154#endif
1155	{ "lrv", 0x1e, INSTR_RXY_RRRD },
1156	{ "lrvh", 0x1f, INSTR_RXY_RRRD },
1157	{ "strv", 0x3e, INSTR_RXY_RRRD },
1158	{ "ml", 0x96, INSTR_RXY_RRRD },
1159	{ "dl", 0x97, INSTR_RXY_RRRD },
1160	{ "alc", 0x98, INSTR_RXY_RRRD },
1161	{ "slb", 0x99, INSTR_RXY_RRRD },
1162	{ "", 0, INSTR_INVALID }
1163};
1164
1165static struct insn opcode_e5[] = {
1166#ifdef CONFIG_64BIT
1167	{ "strag", 0x02, INSTR_SSE_RDRD },
1168	{ "chhsi", 0x54, INSTR_SIL_RDI },
1169	{ "chsi", 0x5c, INSTR_SIL_RDI },
1170	{ "cghsi", 0x58, INSTR_SIL_RDI },
1171	{ { 0, LONG_INSN_CLHHSI }, 0x55, INSTR_SIL_RDU },
1172	{ { 0, LONG_INSN_CLFHSI }, 0x5d, INSTR_SIL_RDU },
1173	{ { 0, LONG_INSN_CLGHSI }, 0x59, INSTR_SIL_RDU },
1174	{ "mvhhi", 0x44, INSTR_SIL_RDI },
1175	{ "mvhi", 0x4c, INSTR_SIL_RDI },
1176	{ "mvghi", 0x48, INSTR_SIL_RDI },
1177#endif
1178	{ "lasp", 0x00, INSTR_SSE_RDRD },
1179	{ "tprot", 0x01, INSTR_SSE_RDRD },
1180	{ "mvcsk", 0x0e, INSTR_SSE_RDRD },
1181	{ "mvcdk", 0x0f, INSTR_SSE_RDRD },
1182	{ "", 0, INSTR_INVALID }
1183};
1184
1185static struct insn opcode_eb[] = {
1186#ifdef CONFIG_64BIT
1187	{ "lmg", 0x04, INSTR_RSY_RRRD },
1188	{ "srag", 0x0a, INSTR_RSY_RRRD },
1189	{ "slag", 0x0b, INSTR_RSY_RRRD },
1190	{ "srlg", 0x0c, INSTR_RSY_RRRD },
1191	{ "sllg", 0x0d, INSTR_RSY_RRRD },
1192	{ "tracg", 0x0f, INSTR_RSY_RRRD },
1193	{ "csy", 0x14, INSTR_RSY_RRRD },
1194	{ "rllg", 0x1c, INSTR_RSY_RRRD },
1195	{ "clmh", 0x20, INSTR_RSY_RURD },
1196	{ "clmy", 0x21, INSTR_RSY_RURD },
1197	{ "stmg", 0x24, INSTR_RSY_RRRD },
1198	{ "stctg", 0x25, INSTR_RSY_CCRD },
1199	{ "stmh", 0x26, INSTR_RSY_RRRD },
1200	{ "stcmh", 0x2c, INSTR_RSY_RURD },
1201	{ "stcmy", 0x2d, INSTR_RSY_RURD },
1202	{ "lctlg", 0x2f, INSTR_RSY_CCRD },
1203	{ "csg", 0x30, INSTR_RSY_RRRD },
1204	{ "cdsy", 0x31, INSTR_RSY_RRRD },
1205	{ "cdsg", 0x3e, INSTR_RSY_RRRD },
1206	{ "bxhg", 0x44, INSTR_RSY_RRRD },
1207	{ "bxleg", 0x45, INSTR_RSY_RRRD },
1208	{ "tmy", 0x51, INSTR_SIY_URD },
1209	{ "mviy", 0x52, INSTR_SIY_URD },
1210	{ "niy", 0x54, INSTR_SIY_URD },
1211	{ "cliy", 0x55, INSTR_SIY_URD },
1212	{ "oiy", 0x56, INSTR_SIY_URD },
1213	{ "xiy", 0x57, INSTR_SIY_URD },
1214	{ "icmh", 0x80, INSTR_RSE_RURD },
1215	{ "icmh", 0x80, INSTR_RSY_RURD },
1216	{ "icmy", 0x81, INSTR_RSY_RURD },
1217	{ "clclu", 0x8f, INSTR_RSY_RRRD },
1218	{ "stmy", 0x90, INSTR_RSY_RRRD },
1219	{ "lmh", 0x96, INSTR_RSY_RRRD },
1220	{ "lmy", 0x98, INSTR_RSY_RRRD },
1221	{ "lamy", 0x9a, INSTR_RSY_AARD },
1222	{ "stamy", 0x9b, INSTR_RSY_AARD },
1223	{ "asi", 0x6a, INSTR_SIY_IRD },
1224	{ "agsi", 0x7a, INSTR_SIY_IRD },
1225	{ "alsi", 0x6e, INSTR_SIY_IRD },
1226	{ "algsi", 0x7e, INSTR_SIY_IRD },
1227	{ "ecag", 0x4c, INSTR_RSY_RRRD },
1228	{ "srak", 0xdc, INSTR_RSY_RRRD },
1229	{ "slak", 0xdd, INSTR_RSY_RRRD },
1230	{ "srlk", 0xde, INSTR_RSY_RRRD },
1231	{ "sllk", 0xdf, INSTR_RSY_RRRD },
1232	{ "locg", 0xe2, INSTR_RSY_RDRM },
1233	{ "stocg", 0xe3, INSTR_RSY_RDRM },
1234	{ "lang", 0xe4, INSTR_RSY_RRRD },
1235	{ "laog", 0xe6, INSTR_RSY_RRRD },
1236	{ "laxg", 0xe7, INSTR_RSY_RRRD },
1237	{ "laag", 0xe8, INSTR_RSY_RRRD },
1238	{ "laalg", 0xea, INSTR_RSY_RRRD },
1239	{ "loc", 0xf2, INSTR_RSY_RDRM },
1240	{ "stoc", 0xf3, INSTR_RSY_RDRM },
1241	{ "lan", 0xf4, INSTR_RSY_RRRD },
1242	{ "lao", 0xf6, INSTR_RSY_RRRD },
1243	{ "lax", 0xf7, INSTR_RSY_RRRD },
1244	{ "laa", 0xf8, INSTR_RSY_RRRD },
1245	{ "laal", 0xfa, INSTR_RSY_RRRD },
1246#endif
1247	{ "rll", 0x1d, INSTR_RSY_RRRD },
1248	{ "mvclu", 0x8e, INSTR_RSY_RRRD },
1249	{ "tp", 0xc0, INSTR_RSL_R0RD },
1250	{ "", 0, INSTR_INVALID }
1251};
1252
1253static struct insn opcode_ec[] = {
1254#ifdef CONFIG_64BIT
1255	{ "brxhg", 0x44, INSTR_RIE_RRP },
1256	{ "brxlg", 0x45, INSTR_RIE_RRP },
1257	{ "crb", 0xf6, INSTR_RRS_RRRDU },
1258	{ "cgrb", 0xe4, INSTR_RRS_RRRDU },
1259	{ "crj", 0x76, INSTR_RIE_RRPU },
1260	{ "cgrj", 0x64, INSTR_RIE_RRPU },
1261	{ "cib", 0xfe, INSTR_RIS_RURDI },
1262	{ "cgib", 0xfc, INSTR_RIS_RURDI },
1263	{ "cij", 0x7e, INSTR_RIE_RUPI },
1264	{ "cgij", 0x7c, INSTR_RIE_RUPI },
1265	{ "cit", 0x72, INSTR_RIE_R0IU },
1266	{ "cgit", 0x70, INSTR_RIE_R0IU },
1267	{ "clrb", 0xf7, INSTR_RRS_RRRDU },
1268	{ "clgrb", 0xe5, INSTR_RRS_RRRDU },
1269	{ "clrj", 0x77, INSTR_RIE_RRPU },
1270	{ "clgrj", 0x65, INSTR_RIE_RRPU },
1271	{ "clib", 0xff, INSTR_RIS_RURDU },
1272	{ "clgib", 0xfd, INSTR_RIS_RURDU },
1273	{ "clij", 0x7f, INSTR_RIE_RUPU },
1274	{ "clgij", 0x7d, INSTR_RIE_RUPU },
1275	{ "clfit", 0x73, INSTR_RIE_R0UU },
1276	{ "clgit", 0x71, INSTR_RIE_R0UU },
1277	{ "rnsbg", 0x54, INSTR_RIE_RRUUU },
1278	{ "rxsbg", 0x57, INSTR_RIE_RRUUU },
1279	{ "rosbg", 0x56, INSTR_RIE_RRUUU },
1280	{ "risbg", 0x55, INSTR_RIE_RRUUU },
1281	{ { 0, LONG_INSN_RISBLG }, 0x51, INSTR_RIE_RRUUU },
1282	{ { 0, LONG_INSN_RISBHG }, 0x5D, INSTR_RIE_RRUUU },
1283	{ "ahik", 0xd8, INSTR_RIE_RRI0 },
1284	{ "aghik", 0xd9, INSTR_RIE_RRI0 },
1285	{ { 0, LONG_INSN_ALHSIK }, 0xda, INSTR_RIE_RRI0 },
1286	{ { 0, LONG_INSN_ALGHSIK }, 0xdb, INSTR_RIE_RRI0 },
1287#endif
1288	{ "", 0, INSTR_INVALID }
1289};
1290
1291static struct insn opcode_ed[] = {
1292#ifdef CONFIG_64BIT
1293	{ "mayl", 0x38, INSTR_RXF_FRRDF },
1294	{ "myl", 0x39, INSTR_RXF_FRRDF },
1295	{ "may", 0x3a, INSTR_RXF_FRRDF },
1296	{ "my", 0x3b, INSTR_RXF_FRRDF },
1297	{ "mayh", 0x3c, INSTR_RXF_FRRDF },
1298	{ "myh", 0x3d, INSTR_RXF_FRRDF },
1299	{ "ley", 0x64, INSTR_RXY_FRRD },
1300	{ "ldy", 0x65, INSTR_RXY_FRRD },
1301	{ "stey", 0x66, INSTR_RXY_FRRD },
1302	{ "stdy", 0x67, INSTR_RXY_FRRD },
1303	{ "sldt", 0x40, INSTR_RXF_FRRDF },
1304	{ "slxt", 0x48, INSTR_RXF_FRRDF },
1305	{ "srdt", 0x41, INSTR_RXF_FRRDF },
1306	{ "srxt", 0x49, INSTR_RXF_FRRDF },
1307	{ "tdcet", 0x50, INSTR_RXE_FRRD },
1308	{ "tdcdt", 0x54, INSTR_RXE_FRRD },
1309	{ "tdcxt", 0x58, INSTR_RXE_FRRD },
1310	{ "tdget", 0x51, INSTR_RXE_FRRD },
1311	{ "tdgdt", 0x55, INSTR_RXE_FRRD },
1312	{ "tdgxt", 0x59, INSTR_RXE_FRRD },
1313#endif
1314	{ "ldeb", 0x04, INSTR_RXE_FRRD },
1315	{ "lxdb", 0x05, INSTR_RXE_FRRD },
1316	{ "lxeb", 0x06, INSTR_RXE_FRRD },
1317	{ "mxdb", 0x07, INSTR_RXE_FRRD },
1318	{ "keb", 0x08, INSTR_RXE_FRRD },
1319	{ "ceb", 0x09, INSTR_RXE_FRRD },
1320	{ "aeb", 0x0a, INSTR_RXE_FRRD },
1321	{ "seb", 0x0b, INSTR_RXE_FRRD },
1322	{ "mdeb", 0x0c, INSTR_RXE_FRRD },
1323	{ "deb", 0x0d, INSTR_RXE_FRRD },
1324	{ "maeb", 0x0e, INSTR_RXF_FRRDF },
1325	{ "mseb", 0x0f, INSTR_RXF_FRRDF },
1326	{ "tceb", 0x10, INSTR_RXE_FRRD },
1327	{ "tcdb", 0x11, INSTR_RXE_FRRD },
1328	{ "tcxb", 0x12, INSTR_RXE_FRRD },
1329	{ "sqeb", 0x14, INSTR_RXE_FRRD },
1330	{ "sqdb", 0x15, INSTR_RXE_FRRD },
1331	{ "meeb", 0x17, INSTR_RXE_FRRD },
1332	{ "kdb", 0x18, INSTR_RXE_FRRD },
1333	{ "cdb", 0x19, INSTR_RXE_FRRD },
1334	{ "adb", 0x1a, INSTR_RXE_FRRD },
1335	{ "sdb", 0x1b, INSTR_RXE_FRRD },
1336	{ "mdb", 0x1c, INSTR_RXE_FRRD },
1337	{ "ddb", 0x1d, INSTR_RXE_FRRD },
1338	{ "madb", 0x1e, INSTR_RXF_FRRDF },
1339	{ "msdb", 0x1f, INSTR_RXF_FRRDF },
1340	{ "lde", 0x24, INSTR_RXE_FRRD },
1341	{ "lxd", 0x25, INSTR_RXE_FRRD },
1342	{ "lxe", 0x26, INSTR_RXE_FRRD },
1343	{ "mae", 0x2e, INSTR_RXF_FRRDF },
1344	{ "mse", 0x2f, INSTR_RXF_FRRDF },
1345	{ "sqe", 0x34, INSTR_RXE_FRRD },
1346	{ "sqd", 0x35, INSTR_RXE_FRRD },
1347	{ "mee", 0x37, INSTR_RXE_FRRD },
1348	{ "mad", 0x3e, INSTR_RXF_FRRDF },
1349	{ "msd", 0x3f, INSTR_RXF_FRRDF },
1350	{ "", 0, INSTR_INVALID }
1351};
1352
1353/* Extracts an operand value from an instruction.  */
1354static unsigned int extract_operand(unsigned char *code,
1355				    const struct operand *operand)
1356{
1357	unsigned int val;
1358	int bits;
1359
1360	/* Extract fragments of the operand byte for byte.  */
1361	code += operand->shift / 8;
1362	bits = (operand->shift & 7) + operand->bits;
1363	val = 0;
1364	do {
1365		val <<= 8;
1366		val |= (unsigned int) *code++;
1367		bits -= 8;
1368	} while (bits > 0);
1369	val >>= -bits;
1370	val &= ((1U << (operand->bits - 1)) << 1) - 1;
1371
1372	/* Check for special long displacement case.  */
1373	if (operand->bits == 20 && operand->shift == 20)
1374		val = (val & 0xff) << 12 | (val & 0xfff00) >> 8;
1375
1376	/* Sign extend value if the operand is signed or pc relative.  */
1377	if ((operand->flags & (OPERAND_SIGNED | OPERAND_PCREL)) &&
1378	    (val & (1U << (operand->bits - 1))))
1379		val |= (-1U << (operand->bits - 1)) << 1;
1380
1381	/* Double value if the operand is pc relative.	*/
1382	if (operand->flags & OPERAND_PCREL)
1383		val <<= 1;
1384
1385	/* Length x in an instructions has real length x + 1.  */
1386	if (operand->flags & OPERAND_LENGTH)
1387		val++;
1388	return val;
1389}
1390
1391static inline int insn_length(unsigned char code)
1392{
1393	return ((((int) code + 64) >> 7) + 1) << 1;
1394}
1395
1396static struct insn *find_insn(unsigned char *code)
1397{
1398	unsigned char opfrag = code[1];
1399	unsigned char opmask;
1400	struct insn *table;
1401
1402	switch (code[0]) {
1403	case 0x01:
1404		table = opcode_01;
1405		break;
1406	case 0xa5:
1407		table = opcode_a5;
1408		break;
1409	case 0xa7:
1410		table = opcode_a7;
1411		break;
1412	case 0xb2:
1413		table = opcode_b2;
1414		break;
1415	case 0xb3:
1416		table = opcode_b3;
1417		break;
1418	case 0xb9:
1419		table = opcode_b9;
1420		break;
1421	case 0xc0:
1422		table = opcode_c0;
1423		break;
1424	case 0xc2:
1425		table = opcode_c2;
1426		break;
1427	case 0xc4:
1428		table = opcode_c4;
1429		break;
1430	case 0xc6:
1431		table = opcode_c6;
1432		break;
1433	case 0xc8:
1434		table = opcode_c8;
1435		break;
1436	case 0xcc:
1437		table = opcode_cc;
1438		break;
1439	case 0xe3:
1440		table = opcode_e3;
1441		opfrag = code[5];
1442		break;
1443	case 0xe5:
1444		table = opcode_e5;
1445		break;
1446	case 0xeb:
1447		table = opcode_eb;
1448		opfrag = code[5];
1449		break;
1450	case 0xec:
1451		table = opcode_ec;
1452		opfrag = code[5];
1453		break;
1454	case 0xed:
1455		table = opcode_ed;
1456		opfrag = code[5];
1457		break;
1458	default:
1459		table = opcode;
1460		opfrag = code[0];
1461		break;
1462	}
1463	while (table->format != INSTR_INVALID) {
1464		opmask = formats[table->format][0];
1465		if (table->opfrag == (opfrag & opmask))
1466			return table;
1467		table++;
1468	}
1469	return NULL;
1470}
1471
1472static int print_insn(char *buffer, unsigned char *code, unsigned long addr)
1473{
1474	struct insn *insn;
1475	const unsigned char *ops;
1476	const struct operand *operand;
1477	unsigned int value;
1478	char separator;
1479	char *ptr;
1480	int i;
1481
1482	ptr = buffer;
1483	insn = find_insn(code);
1484	if (insn) {
1485		if (insn->name[0] == '\0')
1486			ptr += sprintf(ptr, "%s\t",
1487				       long_insn_name[(int) insn->name[1]]);
1488		else
1489			ptr += sprintf(ptr, "%.5s\t", insn->name);
1490		/* Extract the operands. */
1491		separator = 0;
1492		for (ops = formats[insn->format] + 1, i = 0;
1493		     *ops != 0 && i < 6; ops++, i++) {
1494			operand = operands + *ops;
1495			value = extract_operand(code, operand);
1496			if ((operand->flags & OPERAND_INDEX)  && value == 0)
1497				continue;
1498			if ((operand->flags & OPERAND_BASE) &&
1499			    value == 0 && separator == '(') {
1500				separator = ',';
1501				continue;
1502			}
1503			if (separator)
1504				ptr += sprintf(ptr, "%c", separator);
1505			if (operand->flags & OPERAND_GPR)
1506				ptr += sprintf(ptr, "%%r%i", value);
1507			else if (operand->flags & OPERAND_FPR)
1508				ptr += sprintf(ptr, "%%f%i", value);
1509			else if (operand->flags & OPERAND_AR)
1510				ptr += sprintf(ptr, "%%a%i", value);
1511			else if (operand->flags & OPERAND_CR)
1512				ptr += sprintf(ptr, "%%c%i", value);
1513			else if (operand->flags & OPERAND_PCREL)
1514				ptr += sprintf(ptr, "%lx", (signed int) value
1515								      + addr);
1516			else if (operand->flags & OPERAND_SIGNED)
1517				ptr += sprintf(ptr, "%i", value);
1518			else
1519				ptr += sprintf(ptr, "%u", value);
1520			if (operand->flags & OPERAND_DISP)
1521				separator = '(';
1522			else if (operand->flags & OPERAND_BASE) {
1523				ptr += sprintf(ptr, ")");
1524				separator = ',';
1525			} else
1526				separator = ',';
1527		}
1528	} else
1529		ptr += sprintf(ptr, "unknown");
1530	return (int) (ptr - buffer);
1531}
1532
1533void show_code(struct pt_regs *regs)
1534{
1535	char *mode = (regs->psw.mask & PSW_MASK_PSTATE) ? "User" : "Krnl";
1536	unsigned char code[64];
1537	char buffer[64], *ptr;
1538	mm_segment_t old_fs;
1539	unsigned long addr;
1540	int start, end, opsize, hops, i;
1541
1542	/* Get a snapshot of the 64 bytes surrounding the fault address. */
1543	old_fs = get_fs();
1544	set_fs((regs->psw.mask & PSW_MASK_PSTATE) ? USER_DS : KERNEL_DS);
1545	for (start = 32; start && regs->psw.addr >= 34 - start; start -= 2) {
1546		addr = regs->psw.addr - 34 + start;
1547		if (__copy_from_user(code + start - 2,
1548				     (char __user *) addr, 2))
1549			break;
1550	}
1551	for (end = 32; end < 64; end += 2) {
1552		addr = regs->psw.addr + end - 32;
1553		if (__copy_from_user(code + end,
1554				     (char __user *) addr, 2))
1555			break;
1556	}
1557	set_fs(old_fs);
1558	/* Code snapshot useable ? */
1559	if ((regs->psw.addr & 1) || start >= end) {
1560		printk("%s Code: Bad PSW.\n", mode);
1561		return;
1562	}
1563	/* Find a starting point for the disassembly. */
1564	while (start < 32) {
1565		for (i = 0, hops = 0; start + i < 32 && hops < 3; hops++) {
1566			if (!find_insn(code + start + i))
1567				break;
1568			i += insn_length(code[start + i]);
1569		}
1570		if (start + i == 32)
1571			/* Looks good, sequence ends at PSW. */
1572			break;
1573		start += 2;
1574	}
1575	/* Decode the instructions. */
1576	ptr = buffer;
1577	ptr += sprintf(ptr, "%s Code:", mode);
1578	hops = 0;
1579	while (start < end && hops < 8) {
1580		opsize = insn_length(code[start]);
1581		if  (start + opsize == 32)
1582			*ptr++ = '#';
1583		else if (start == 32)
1584			*ptr++ = '>';
1585		else
1586			*ptr++ = ' ';
1587		addr = regs->psw.addr + start - 32;
1588		ptr += sprintf(ptr, ONELONG, addr);
 
1589		if (start + opsize >= end)
1590			break;
1591		for (i = 0; i < opsize; i++)
1592			ptr += sprintf(ptr, "%02x", code[start + i]);
1593		*ptr++ = '\t';
1594		if (i < 6)
1595			*ptr++ = '\t';
1596		ptr += print_insn(ptr, code + start, addr);
1597		start += opsize;
1598		printk(buffer);
1599		ptr = buffer;
1600		ptr += sprintf(ptr, "\n          ");
1601		hops++;
1602	}
1603	printk("\n");
1604}