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linux/arch/s390/kernel/dis.c
Heiko Carstens 1ffa11abfe s390/kprobes: allow kprobes only on known instructions 
Since we have an in-kernel disassembler we can make sure that
there won't be any kprobes set on random data.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-10-24 17:16:50 +02:00

1854 lines
58 KiB
C
Raw Blame History

/*
* Disassemble s390 instructions.
*
* Copyright IBM Corp. 2007
* Author(s): Martin Schwidefsky (schwidefsky@de.ibm.com),
*/
#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/errno.h>
#include <linux/ptrace.h>
#include <linux/timer.h>
#include <linux/mm.h>
#include <linux/smp.h>
#include <linux/init.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/kallsyms.h>
#include <linux/reboot.h>
#include <linux/kprobes.h>
#include <linux/kdebug.h>
#include <asm/uaccess.h>
#include <asm/dis.h>
#include <asm/io.h>
#include <linux/atomic.h>
#include <asm/mathemu.h>
#include <asm/cpcmd.h>
#include <asm/lowcore.h>
#include <asm/debug.h>
#include <asm/irq.h>
#ifndef CONFIG_64BIT
#define ONELONG "%08lx: "
#else /* CONFIG_64BIT */
#define ONELONG "%016lx: "
#endif /* CONFIG_64BIT */
enum {
UNUSED, /* Indicates the end of the operand list */
R_8, /* GPR starting at position 8 */
R_12, /* GPR starting at position 12 */
R_16, /* GPR starting at position 16 */
R_20, /* GPR starting at position 20 */
R_24, /* GPR starting at position 24 */
R_28, /* GPR starting at position 28 */
R_32, /* GPR starting at position 32 */
F_8, /* FPR starting at position 8 */
F_12, /* FPR starting at position 12 */
F_16, /* FPR starting at position 16 */
F_20, /* FPR starting at position 16 */
F_24, /* FPR starting at position 24 */
F_28, /* FPR starting at position 28 */
F_32, /* FPR starting at position 32 */
A_8, /* Access reg. starting at position 8 */
A_12, /* Access reg. starting at position 12 */
A_24, /* Access reg. starting at position 24 */
A_28, /* Access reg. starting at position 28 */
C_8, /* Control reg. starting at position 8 */
C_12, /* Control reg. starting at position 12 */
B_16, /* Base register starting at position 16 */
B_32, /* Base register starting at position 32 */
X_12, /* Index register starting at position 12 */
D_20, /* Displacement starting at position 20 */
D_36, /* Displacement starting at position 36 */
D20_20, /* 20 bit displacement starting at 20 */
L4_8, /* 4 bit length starting at position 8 */
L4_12, /* 4 bit length starting at position 12 */
L8_8, /* 8 bit length starting at position 8 */
U4_8, /* 4 bit unsigned value starting at 8 */
U4_12, /* 4 bit unsigned value starting at 12 */
U4_16, /* 4 bit unsigned value starting at 16 */
U4_20, /* 4 bit unsigned value starting at 20 */
U4_24, /* 4 bit unsigned value starting at 24 */
U4_28, /* 4 bit unsigned value starting at 28 */
U4_32, /* 4 bit unsigned value starting at 32 */
U4_36, /* 4 bit unsigned value starting at 36 */
U8_8, /* 8 bit unsigned value starting at 8 */
U8_16, /* 8 bit unsigned value starting at 16 */
U8_24, /* 8 bit unsigned value starting at 24 */
U8_32, /* 8 bit unsigned value starting at 32 */
I8_8, /* 8 bit signed value starting at 8 */
I8_32, /* 8 bit signed value starting at 32 */
J12_12, /* PC relative offset at 12 */
I16_16, /* 16 bit signed value starting at 16 */
I16_32, /* 32 bit signed value starting at 16 */
U16_16, /* 16 bit unsigned value starting at 16 */
U16_32, /* 32 bit unsigned value starting at 16 */
J16_16, /* PC relative jump offset at 16 */
J16_32, /* PC relative offset at 16 */
I24_24, /* 24 bit signed value starting at 24 */
J32_16, /* PC relative long offset at 16 */
I32_16, /* 32 bit signed value starting at 16 */
U32_16, /* 32 bit unsigned value starting at 16 */
M_16, /* 4 bit optional mask starting at 16 */
M_20, /* 4 bit optional mask starting at 20 */
RO_28, /* optional GPR starting at position 28 */
};
/*
* Enumeration of the different instruction formats.
* For details consult the principles of operation.
*/
enum {
INSTR_INVALID,
INSTR_E,
INSTR_IE_UU,
INSTR_MII_UPI,
INSTR_RIE_R0IU, INSTR_RIE_R0UU, INSTR_RIE_RRP, INSTR_RIE_RRPU,
INSTR_RIE_RRUUU, INSTR_RIE_RUPI, INSTR_RIE_RUPU, INSTR_RIE_RRI0,
INSTR_RIL_RI, INSTR_RIL_RP, INSTR_RIL_RU, INSTR_RIL_UP,
INSTR_RIS_R0RDU, INSTR_RIS_R0UU, INSTR_RIS_RURDI, INSTR_RIS_RURDU,
INSTR_RI_RI, INSTR_RI_RP, INSTR_RI_RU, INSTR_RI_UP,
INSTR_RRE_00, INSTR_RRE_0R, INSTR_RRE_AA, INSTR_RRE_AR, INSTR_RRE_F0,
INSTR_RRE_FF, INSTR_RRE_FR, INSTR_RRE_R0, INSTR_RRE_RA, INSTR_RRE_RF,
INSTR_RRE_RR, INSTR_RRE_RR_OPT,
INSTR_RRF_0UFF, INSTR_RRF_F0FF, INSTR_RRF_F0FF2, INSTR_RRF_F0FR,
INSTR_RRF_FFRU, INSTR_RRF_FUFF, INSTR_RRF_FUFF2, INSTR_RRF_M0RR,
INSTR_RRF_R0RR, INSTR_RRF_R0RR2, INSTR_RRF_RMRR, INSTR_RRF_RURR,
INSTR_RRF_U0FF, INSTR_RRF_U0RF, INSTR_RRF_U0RR, INSTR_RRF_UUFF,
INSTR_RRF_UUFR, INSTR_RRF_UURF,
INSTR_RRR_F0FF, INSTR_RRS_RRRDU,
INSTR_RR_FF, INSTR_RR_R0, INSTR_RR_RR, INSTR_RR_U0, INSTR_RR_UR,
INSTR_RSE_CCRD, INSTR_RSE_RRRD, INSTR_RSE_RURD,
INSTR_RSI_RRP,
INSTR_RSL_LRDFU, INSTR_RSL_R0RD,
INSTR_RSY_AARD, INSTR_RSY_CCRD, INSTR_RSY_RRRD, INSTR_RSY_RURD,
INSTR_RSY_RDRM,
INSTR_RS_AARD, INSTR_RS_CCRD, INSTR_RS_R0RD, INSTR_RS_RRRD,
INSTR_RS_RURD,
INSTR_RXE_FRRD, INSTR_RXE_RRRD,
INSTR_RXF_FRRDF,
INSTR_RXY_FRRD, INSTR_RXY_RRRD, INSTR_RXY_URRD,
INSTR_RX_FRRD, INSTR_RX_RRRD, INSTR_RX_URRD,
INSTR_SIL_RDI, INSTR_SIL_RDU,
INSTR_SIY_IRD, INSTR_SIY_URD,
INSTR_SI_URD,
INSTR_SMI_U0RDP,
INSTR_SSE_RDRD,
INSTR_SSF_RRDRD, INSTR_SSF_RRDRD2,
INSTR_SS_L0RDRD, INSTR_SS_LIRDRD, INSTR_SS_LLRDRD, INSTR_SS_RRRDRD,
INSTR_SS_RRRDRD2, INSTR_SS_RRRDRD3,
INSTR_S_00, INSTR_S_RD,
};
static const struct s390_operand operands[] =
{
[UNUSED] = { 0, 0, 0 },
[R_8] = { 4, 8, OPERAND_GPR },
[R_12] = { 4, 12, OPERAND_GPR },
[R_16] = { 4, 16, OPERAND_GPR },
[R_20] = { 4, 20, OPERAND_GPR },
[R_24] = { 4, 24, OPERAND_GPR },
[R_28] = { 4, 28, OPERAND_GPR },
[R_32] = { 4, 32, OPERAND_GPR },
[F_8] = { 4, 8, OPERAND_FPR },
[F_12] = { 4, 12, OPERAND_FPR },
[F_16] = { 4, 16, OPERAND_FPR },
[F_20] = { 4, 16, OPERAND_FPR },
[F_24] = { 4, 24, OPERAND_FPR },
[F_28] = { 4, 28, OPERAND_FPR },
[F_32] = { 4, 32, OPERAND_FPR },
[A_8] = { 4, 8, OPERAND_AR },
[A_12] = { 4, 12, OPERAND_AR },
[A_24] = { 4, 24, OPERAND_AR },
[A_28] = { 4, 28, OPERAND_AR },
[C_8] = { 4, 8, OPERAND_CR },
[C_12] = { 4, 12, OPERAND_CR },
[B_16] = { 4, 16, OPERAND_BASE | OPERAND_GPR },
[B_32] = { 4, 32, OPERAND_BASE | OPERAND_GPR },
[X_12] = { 4, 12, OPERAND_INDEX | OPERAND_GPR },
[D_20] = { 12, 20, OPERAND_DISP },
[D_36] = { 12, 36, OPERAND_DISP },
[D20_20] = { 20, 20, OPERAND_DISP | OPERAND_SIGNED },
[L4_8] = { 4, 8, OPERAND_LENGTH },
[L4_12] = { 4, 12, OPERAND_LENGTH },
[L8_8] = { 8, 8, OPERAND_LENGTH },
[U4_8] = { 4, 8, 0 },
[U4_12] = { 4, 12, 0 },
[U4_16] = { 4, 16, 0 },
[U4_20] = { 4, 20, 0 },
[U4_24] = { 4, 24, 0 },
[U4_28] = { 4, 28, 0 },
[U4_32] = { 4, 32, 0 },
[U4_36] = { 4, 36, 0 },
[U8_8] = { 8, 8, 0 },
[U8_16] = { 8, 16, 0 },
[U8_24] = { 8, 24, 0 },
[U8_32] = { 8, 32, 0 },
[J12_12] = { 12, 12, OPERAND_PCREL },
[I16_16] = { 16, 16, OPERAND_SIGNED },
[U16_16] = { 16, 16, 0 },
[U16_32] = { 16, 32, 0 },
[J16_16] = { 16, 16, OPERAND_PCREL },
[J16_32] = { 16, 32, OPERAND_PCREL },
[I16_32] = { 16, 32, OPERAND_SIGNED },
[I24_24] = { 24, 24, OPERAND_SIGNED },
[J32_16] = { 32, 16, OPERAND_PCREL },
[I32_16] = { 32, 16, OPERAND_SIGNED },
[U32_16] = { 32, 16, 0 },
[M_16] = { 4, 16, 0 },
[M_20] = { 4, 20, 0 },
[RO_28] = { 4, 28, OPERAND_GPR }
};
static const unsigned char formats[][7] = {
[INSTR_E] = { 0xff, 0,0,0,0,0,0 },
[INSTR_IE_UU] = { 0xff, U4_24,U4_28,0,0,0,0 },
[INSTR_MII_UPI] = { 0xff, U4_8,J12_12,I24_24 },
[INSTR_RIE_R0IU] = { 0xff, R_8,I16_16,U4_32,0,0,0 },
[INSTR_RIE_R0UU] = { 0xff, R_8,U16_16,U4_32,0,0,0 },
[INSTR_RIE_RRI0] = { 0xff, R_8,R_12,I16_16,0,0,0 },
[INSTR_RIE_RRPU] = { 0xff, R_8,R_12,U4_32,J16_16,0,0 },
[INSTR_RIE_RRP] = { 0xff, R_8,R_12,J16_16,0,0,0 },
[INSTR_RIE_RRUUU] = { 0xff, R_8,R_12,U8_16,U8_24,U8_32,0 },
[INSTR_RIE_RUPI] = { 0xff, R_8,I8_32,U4_12,J16_16,0,0 },
[INSTR_RIE_RUPU] = { 0xff, R_8,U8_32,U4_12,J16_16,0,0 },
[INSTR_RIL_RI] = { 0x0f, R_8,I32_16,0,0,0,0 },
[INSTR_RIL_RP] = { 0x0f, R_8,J32_16,0,0,0,0 },
[INSTR_RIL_RU] = { 0x0f, R_8,U32_16,0,0,0,0 },
[INSTR_RIL_UP] = { 0x0f, U4_8,J32_16,0,0,0,0 },
[INSTR_RIS_R0RDU] = { 0xff, R_8,U8_32,D_20,B_16,0,0 },
[INSTR_RIS_RURDI] = { 0xff, R_8,I8_32,U4_12,D_20,B_16,0 },
[INSTR_RIS_RURDU] = { 0xff, R_8,U8_32,U4_12,D_20,B_16,0 },
[INSTR_RI_RI] = { 0x0f, R_8,I16_16,0,0,0,0 },
[INSTR_RI_RP] = { 0x0f, R_8,J16_16,0,0,0,0 },
[INSTR_RI_RU] = { 0x0f, R_8,U16_16,0,0,0,0 },
[INSTR_RI_UP] = { 0x0f, U4_8,J16_16,0,0,0,0 },
[INSTR_RRE_00] = { 0xff, 0,0,0,0,0,0 },
[INSTR_RRE_0R] = { 0xff, R_28,0,0,0,0,0 },
[INSTR_RRE_AA] = { 0xff, A_24,A_28,0,0,0,0 },
[INSTR_RRE_AR] = { 0xff, A_24,R_28,0,0,0,0 },
[INSTR_RRE_F0] = { 0xff, F_24,0,0,0,0,0 },
[INSTR_RRE_FF] = { 0xff, F_24,F_28,0,0,0,0 },
[INSTR_RRE_FR] = { 0xff, F_24,R_28,0,0,0,0 },
[INSTR_RRE_R0] = { 0xff, R_24,0,0,0,0,0 },
[INSTR_RRE_RA] = { 0xff, R_24,A_28,0,0,0,0 },
[INSTR_RRE_RF] = { 0xff, R_24,F_28,0,0,0,0 },
[INSTR_RRE_RR] = { 0xff, R_24,R_28,0,0,0,0 },
[INSTR_RRE_RR_OPT]= { 0xff, R_24,RO_28,0,0,0,0 },
[INSTR_RRF_0UFF] = { 0xff, F_24,F_28,U4_20,0,0,0 },
[INSTR_RRF_F0FF2] = { 0xff, F_24,F_16,F_28,0,0,0 },
[INSTR_RRF_F0FF] = { 0xff, F_16,F_24,F_28,0,0,0 },
[INSTR_RRF_F0FR] = { 0xff, F_24,F_16,R_28,0,0,0 },
[INSTR_RRF_FFRU] = { 0xff, F_24,F_16,R_28,U4_20,0,0 },
[INSTR_RRF_FUFF] = { 0xff, F_24,F_16,F_28,U4_20,0,0 },
[INSTR_RRF_FUFF2] = { 0xff, F_24,F_28,F_16,U4_20,0,0 },
[INSTR_RRF_M0RR] = { 0xff, R_24,R_28,M_16,0,0,0 },
[INSTR_RRF_R0RR] = { 0xff, R_24,R_16,R_28,0,0,0 },
[INSTR_RRF_R0RR2] = { 0xff, R_24,R_28,R_16,0,0,0 },
[INSTR_RRF_RMRR] = { 0xff, R_24,R_16,R_28,M_20,0,0 },
[INSTR_RRF_RURR] = { 0xff, R_24,R_28,R_16,U4_20,0,0 },
[INSTR_RRF_U0FF] = { 0xff, F_24,U4_16,F_28,0,0,0 },
[INSTR_RRF_U0RF] = { 0xff, R_24,U4_16,F_28,0,0,0 },
[INSTR_RRF_U0RR] = { 0xff, R_24,R_28,U4_16,0,0,0 },
[INSTR_RRF_UUFF] = { 0xff, F_24,U4_16,F_28,U4_20,0,0 },
[INSTR_RRF_UUFR] = { 0xff, F_24,U4_16,R_28,U4_20,0,0 },
[INSTR_RRF_UURF] = { 0xff, R_24,U4_16,F_28,U4_20,0,0 },
[INSTR_RRR_F0FF] = { 0xff, F_24,F_28,F_16,0,0,0 },
[INSTR_RRS_RRRDU] = { 0xff, R_8,R_12,U4_32,D_20,B_16,0 },
[INSTR_RR_FF] = { 0xff, F_8,F_12,0,0,0,0 },
[INSTR_RR_R0] = { 0xff, R_8, 0,0,0,0,0 },
[INSTR_RR_RR] = { 0xff, R_8,R_12,0,0,0,0 },
[INSTR_RR_U0] = { 0xff, U8_8, 0,0,0,0,0 },
[INSTR_RR_UR] = { 0xff, U4_8,R_12,0,0,0,0 },
[INSTR_RSE_CCRD] = { 0xff, C_8,C_12,D_20,B_16,0,0 },
[INSTR_RSE_RRRD] = { 0xff, R_8,R_12,D_20,B_16,0,0 },
[INSTR_RSE_RURD] = { 0xff, R_8,U4_12,D_20,B_16,0,0 },
[INSTR_RSI_RRP] = { 0xff, R_8,R_12,J16_16,0,0,0 },
[INSTR_RSL_LRDFU] = { 0xff, F_32,D_20,L4_8,B_16,U4_36,0 },
[INSTR_RSL_R0RD] = { 0xff, D_20,L4_8,B_16,0,0,0 },
[INSTR_RSY_AARD] = { 0xff, A_8,A_12,D20_20,B_16,0,0 },
[INSTR_RSY_CCRD] = { 0xff, C_8,C_12,D20_20,B_16,0,0 },
[INSTR_RSY_RDRM] = { 0xff, R_8,D20_20,B_16,U4_12,0,0 },
[INSTR_RSY_RRRD] = { 0xff, R_8,R_12,D20_20,B_16,0,0 },
[INSTR_RSY_RURD] = { 0xff, R_8,U4_12,D20_20,B_16,0,0 },
[INSTR_RS_AARD] = { 0xff, A_8,A_12,D_20,B_16,0,0 },
[INSTR_RS_CCRD] = { 0xff, C_8,C_12,D_20,B_16,0,0 },
[INSTR_RS_R0RD] = { 0xff, R_8,D_20,B_16,0,0,0 },
[INSTR_RS_RRRD] = { 0xff, R_8,R_12,D_20,B_16,0,0 },
[INSTR_RS_RURD] = { 0xff, R_8,U4_12,D_20,B_16,0,0 },
[INSTR_RXE_FRRD] = { 0xff, F_8,D_20,X_12,B_16,0,0 },
[INSTR_RXE_RRRD] = { 0xff, R_8,D_20,X_12,B_16,0,0 },
[INSTR_RXF_FRRDF] = { 0xff, F_32,F_8,D_20,X_12,B_16,0 },
[INSTR_RXY_FRRD] = { 0xff, F_8,D20_20,X_12,B_16,0,0 },
[INSTR_RXY_RRRD] = { 0xff, R_8,D20_20,X_12,B_16,0,0 },
[INSTR_RXY_URRD] = { 0xff, U4_8,D20_20,X_12,B_16,0,0 },
[INSTR_RX_FRRD] = { 0xff, F_8,D_20,X_12,B_16,0,0 },
[INSTR_RX_RRRD] = { 0xff, R_8,D_20,X_12,B_16,0,0 },
[INSTR_RX_URRD] = { 0xff, U4_8,D_20,X_12,B_16,0,0 },
[INSTR_SIL_RDI] = { 0xff, D_20,B_16,I16_32,0,0,0 },
[INSTR_SIL_RDU] = { 0xff, D_20,B_16,U16_32,0,0,0 },
[INSTR_SIY_IRD] = { 0xff, D20_20,B_16,I8_8,0,0,0 },
[INSTR_SIY_URD] = { 0xff, D20_20,B_16,U8_8,0,0,0 },
[INSTR_SI_URD] = { 0xff, D_20,B_16,U8_8,0,0,0 },
[INSTR_SMI_U0RDP] = { 0xff, U4_8,J16_32,D_20,B_16,0,0 },
[INSTR_SSE_RDRD] = { 0xff, D_20,B_16,D_36,B_32,0,0 },
[INSTR_SSF_RRDRD] = { 0x0f, D_20,B_16,D_36,B_32,R_8,0 },
[INSTR_SSF_RRDRD2]= { 0x0f, R_8,D_20,B_16,D_36,B_32,0 },
[INSTR_SS_L0RDRD] = { 0xff, D_20,L8_8,B_16,D_36,B_32,0 },
[INSTR_SS_LIRDRD] = { 0xff, D_20,L4_8,B_16,D_36,B_32,U4_12 },
[INSTR_SS_LLRDRD] = { 0xff, D_20,L4_8,B_16,D_36,L4_12,B_32 },
[INSTR_SS_RRRDRD2]= { 0xff, R_8,D_20,B_16,R_12,D_36,B_32 },
[INSTR_SS_RRRDRD3]= { 0xff, R_8,R_12,D_20,B_16,D_36,B_32 },
[INSTR_SS_RRRDRD] = { 0xff, D_20,R_8,B_16,D_36,B_32,R_12 },
[INSTR_S_00] = { 0xff, 0,0,0,0,0,0 },
[INSTR_S_RD] = { 0xff, D_20,B_16,0,0,0,0 },
};
enum {
LONG_INSN_ALGHSIK,
LONG_INSN_ALHHHR,
LONG_INSN_ALHHLR,
LONG_INSN_ALHSIK,
LONG_INSN_ALSIHN,
LONG_INSN_CDFBRA,
LONG_INSN_CDGBRA,
LONG_INSN_CDGTRA,
LONG_INSN_CDLFBR,
LONG_INSN_CDLFTR,
LONG_INSN_CDLGBR,
LONG_INSN_CDLGTR,
LONG_INSN_CEFBRA,
LONG_INSN_CEGBRA,
LONG_INSN_CELFBR,
LONG_INSN_CELGBR,
LONG_INSN_CFDBRA,
LONG_INSN_CFEBRA,
LONG_INSN_CFXBRA,
LONG_INSN_CGDBRA,
LONG_INSN_CGDTRA,
LONG_INSN_CGEBRA,
LONG_INSN_CGXBRA,
LONG_INSN_CGXTRA,
LONG_INSN_CLFDBR,
LONG_INSN_CLFDTR,
LONG_INSN_CLFEBR,
LONG_INSN_CLFHSI,
LONG_INSN_CLFXBR,
LONG_INSN_CLFXTR,
LONG_INSN_CLGDBR,
LONG_INSN_CLGDTR,
LONG_INSN_CLGEBR,
LONG_INSN_CLGFRL,
LONG_INSN_CLGHRL,
LONG_INSN_CLGHSI,
LONG_INSN_CLGXBR,
LONG_INSN_CLGXTR,
LONG_INSN_CLHHSI,
LONG_INSN_CXFBRA,
LONG_INSN_CXGBRA,
LONG_INSN_CXGTRA,
LONG_INSN_CXLFBR,
LONG_INSN_CXLFTR,
LONG_INSN_CXLGBR,
LONG_INSN_CXLGTR,
LONG_INSN_FIDBRA,
LONG_INSN_FIEBRA,
LONG_INSN_FIXBRA,
LONG_INSN_LDXBRA,
LONG_INSN_LEDBRA,
LONG_INSN_LEXBRA,
LONG_INSN_LLGFAT,
LONG_INSN_LLGFRL,
LONG_INSN_LLGHRL,
LONG_INSN_LLGTAT,
LONG_INSN_POPCNT,
LONG_INSN_RIEMIT,
LONG_INSN_RINEXT,
LONG_INSN_RISBGN,
LONG_INSN_RISBHG,
LONG_INSN_RISBLG,
LONG_INSN_SLHHHR,
LONG_INSN_SLHHLR,
LONG_INSN_TABORT,
LONG_INSN_TBEGIN,
LONG_INSN_TBEGINC,
LONG_INSN_PCISTG,
LONG_INSN_MPCIFC,
LONG_INSN_STPCIFC,
LONG_INSN_PCISTB,
};
static char *long_insn_name[] = {
[LONG_INSN_ALGHSIK] = "alghsik",
[LONG_INSN_ALHHHR] = "alhhhr",
[LONG_INSN_ALHHLR] = "alhhlr",
[LONG_INSN_ALHSIK] = "alhsik",
[LONG_INSN_ALSIHN] = "alsihn",
[LONG_INSN_CDFBRA] = "cdfbra",
[LONG_INSN_CDGBRA] = "cdgbra",
[LONG_INSN_CDGTRA] = "cdgtra",
[LONG_INSN_CDLFBR] = "cdlfbr",
[LONG_INSN_CDLFTR] = "cdlftr",
[LONG_INSN_CDLGBR] = "cdlgbr",
[LONG_INSN_CDLGTR] = "cdlgtr",
[LONG_INSN_CEFBRA] = "cefbra",
[LONG_INSN_CEGBRA] = "cegbra",
[LONG_INSN_CELFBR] = "celfbr",
[LONG_INSN_CELGBR] = "celgbr",
[LONG_INSN_CFDBRA] = "cfdbra",
[LONG_INSN_CFEBRA] = "cfebra",
[LONG_INSN_CFXBRA] = "cfxbra",
[LONG_INSN_CGDBRA] = "cgdbra",
[LONG_INSN_CGDTRA] = "cgdtra",
[LONG_INSN_CGEBRA] = "cgebra",
[LONG_INSN_CGXBRA] = "cgxbra",
[LONG_INSN_CGXTRA] = "cgxtra",
[LONG_INSN_CLFDBR] = "clfdbr",
[LONG_INSN_CLFDTR] = "clfdtr",
[LONG_INSN_CLFEBR] = "clfebr",
[LONG_INSN_CLFHSI] = "clfhsi",
[LONG_INSN_CLFXBR] = "clfxbr",
[LONG_INSN_CLFXTR] = "clfxtr",
[LONG_INSN_CLGDBR] = "clgdbr",
[LONG_INSN_CLGDTR] = "clgdtr",
[LONG_INSN_CLGEBR] = "clgebr",
[LONG_INSN_CLGFRL] = "clgfrl",
[LONG_INSN_CLGHRL] = "clghrl",
[LONG_INSN_CLGHSI] = "clghsi",
[LONG_INSN_CLGXBR] = "clgxbr",
[LONG_INSN_CLGXTR] = "clgxtr",
[LONG_INSN_CLHHSI] = "clhhsi",
[LONG_INSN_CXFBRA] = "cxfbra",
[LONG_INSN_CXGBRA] = "cxgbra",
[LONG_INSN_CXGTRA] = "cxgtra",
[LONG_INSN_CXLFBR] = "cxlfbr",
[LONG_INSN_CXLFTR] = "cxlftr",
[LONG_INSN_CXLGBR] = "cxlgbr",
[LONG_INSN_CXLGTR] = "cxlgtr",
[LONG_INSN_FIDBRA] = "fidbra",
[LONG_INSN_FIEBRA] = "fiebra",
[LONG_INSN_FIXBRA] = "fixbra",
[LONG_INSN_LDXBRA] = "ldxbra",
[LONG_INSN_LEDBRA] = "ledbra",
[LONG_INSN_LEXBRA] = "lexbra",
[LONG_INSN_LLGFAT] = "llgfat",
[LONG_INSN_LLGFRL] = "llgfrl",
[LONG_INSN_LLGHRL] = "llghrl",
[LONG_INSN_LLGTAT] = "llgtat",
[LONG_INSN_POPCNT] = "popcnt",
[LONG_INSN_RIEMIT] = "riemit",
[LONG_INSN_RINEXT] = "rinext",
[LONG_INSN_RISBGN] = "risbgn",
[LONG_INSN_RISBHG] = "risbhg",
[LONG_INSN_RISBLG] = "risblg",
[LONG_INSN_SLHHHR] = "slhhhr",
[LONG_INSN_SLHHLR] = "slhhlr",
[LONG_INSN_TABORT] = "tabort",
[LONG_INSN_TBEGIN] = "tbegin",
[LONG_INSN_TBEGINC] = "tbeginc",
[LONG_INSN_PCISTG] = "pcistg",
[LONG_INSN_MPCIFC] = "mpcifc",
[LONG_INSN_STPCIFC] = "stpcifc",
[LONG_INSN_PCISTB] = "pcistb",
};
static struct s390_insn opcode[] = {
#ifdef CONFIG_64BIT
{ "bprp", 0xc5, INSTR_MII_UPI },
{ "bpp", 0xc7, INSTR_SMI_U0RDP },
{ "trtr", 0xd0, INSTR_SS_L0RDRD },
{ "lmd", 0xef, INSTR_SS_RRRDRD3 },
#endif
{ "spm", 0x04, INSTR_RR_R0 },
{ "balr", 0x05, INSTR_RR_RR },
{ "bctr", 0x06, INSTR_RR_RR },
{ "bcr", 0x07, INSTR_RR_UR },
{ "svc", 0x0a, INSTR_RR_U0 },
{ "bsm", 0x0b, INSTR_RR_RR },
{ "bassm", 0x0c, INSTR_RR_RR },
{ "basr", 0x0d, INSTR_RR_RR },
{ "mvcl", 0x0e, INSTR_RR_RR },
{ "clcl", 0x0f, INSTR_RR_RR },
{ "lpr", 0x10, INSTR_RR_RR },
{ "lnr", 0x11, INSTR_RR_RR },
{ "ltr", 0x12, INSTR_RR_RR },
{ "lcr", 0x13, INSTR_RR_RR },
{ "nr", 0x14, INSTR_RR_RR },
{ "clr", 0x15, INSTR_RR_RR },
{ "or", 0x16, INSTR_RR_RR },
{ "xr", 0x17, INSTR_RR_RR },
{ "lr", 0x18, INSTR_RR_RR },
{ "cr", 0x19, INSTR_RR_RR },
{ "ar", 0x1a, INSTR_RR_RR },
{ "sr", 0x1b, INSTR_RR_RR },
{ "mr", 0x1c, INSTR_RR_RR },
{ "dr", 0x1d, INSTR_RR_RR },
{ "alr", 0x1e, INSTR_RR_RR },
{ "slr", 0x1f, INSTR_RR_RR },
{ "lpdr", 0x20, INSTR_RR_FF },
{ "lndr", 0x21, INSTR_RR_FF },
{ "ltdr", 0x22, INSTR_RR_FF },
{ "lcdr", 0x23, INSTR_RR_FF },
{ "hdr", 0x24, INSTR_RR_FF },
{ "ldxr", 0x25, INSTR_RR_FF },
{ "mxr", 0x26, INSTR_RR_FF },
{ "mxdr", 0x27, INSTR_RR_FF },
{ "ldr", 0x28, INSTR_RR_FF },
{ "cdr", 0x29, INSTR_RR_FF },
{ "adr", 0x2a, INSTR_RR_FF },
{ "sdr", 0x2b, INSTR_RR_FF },
{ "mdr", 0x2c, INSTR_RR_FF },
{ "ddr", 0x2d, INSTR_RR_FF },
{ "awr", 0x2e, INSTR_RR_FF },
{ "swr", 0x2f, INSTR_RR_FF },
{ "lper", 0x30, INSTR_RR_FF },
{ "lner", 0x31, INSTR_RR_FF },
{ "lter", 0x32, INSTR_RR_FF },
{ "lcer", 0x33, INSTR_RR_FF },
{ "her", 0x34, INSTR_RR_FF },
{ "ledr", 0x35, INSTR_RR_FF },
{ "axr", 0x36, INSTR_RR_FF },
{ "sxr", 0x37, INSTR_RR_FF },
{ "ler", 0x38, INSTR_RR_FF },
{ "cer", 0x39, INSTR_RR_FF },
{ "aer", 0x3a, INSTR_RR_FF },
{ "ser", 0x3b, INSTR_RR_FF },
{ "mder", 0x3c, INSTR_RR_FF },
{ "der", 0x3d, INSTR_RR_FF },
{ "aur", 0x3e, INSTR_RR_FF },
{ "sur", 0x3f, INSTR_RR_FF },
{ "sth", 0x40, INSTR_RX_RRRD },
{ "la", 0x41, INSTR_RX_RRRD },
{ "stc", 0x42, INSTR_RX_RRRD },
{ "ic", 0x43, INSTR_RX_RRRD },
{ "ex", 0x44, INSTR_RX_RRRD },
{ "bal", 0x45, INSTR_RX_RRRD },
{ "bct", 0x46, INSTR_RX_RRRD },
{ "bc", 0x47, INSTR_RX_URRD },
{ "lh", 0x48, INSTR_RX_RRRD },
{ "ch", 0x49, INSTR_RX_RRRD },
{ "ah", 0x4a, INSTR_RX_RRRD },
{ "sh", 0x4b, INSTR_RX_RRRD },
{ "mh", 0x4c, INSTR_RX_RRRD },
{ "bas", 0x4d, INSTR_RX_RRRD },
{ "cvd", 0x4e, INSTR_RX_RRRD },
{ "cvb", 0x4f, INSTR_RX_RRRD },
{ "st", 0x50, INSTR_RX_RRRD },
{ "lae", 0x51, INSTR_RX_RRRD },
{ "n", 0x54, INSTR_RX_RRRD },
{ "cl", 0x55, INSTR_RX_RRRD },
{ "o", 0x56, INSTR_RX_RRRD },
{ "x", 0x57, INSTR_RX_RRRD },
{ "l", 0x58, INSTR_RX_RRRD },
{ "c", 0x59, INSTR_RX_RRRD },
{ "a", 0x5a, INSTR_RX_RRRD },
{ "s", 0x5b, INSTR_RX_RRRD },
{ "m", 0x5c, INSTR_RX_RRRD },
{ "d", 0x5d, INSTR_RX_RRRD },
{ "al", 0x5e, INSTR_RX_RRRD },
{ "sl", 0x5f, INSTR_RX_RRRD },
{ "std", 0x60, INSTR_RX_FRRD },
{ "mxd", 0x67, INSTR_RX_FRRD },
{ "ld", 0x68, INSTR_RX_FRRD },
{ "cd", 0x69, INSTR_RX_FRRD },
{ "ad", 0x6a, INSTR_RX_FRRD },
{ "sd", 0x6b, INSTR_RX_FRRD },
{ "md", 0x6c, INSTR_RX_FRRD },
{ "dd", 0x6d, INSTR_RX_FRRD },
{ "aw", 0x6e, INSTR_RX_FRRD },
{ "sw", 0x6f, INSTR_RX_FRRD },
{ "ste", 0x70, INSTR_RX_FRRD },
{ "ms", 0x71, INSTR_RX_RRRD },
{ "le", 0x78, INSTR_RX_FRRD },
{ "ce", 0x79, INSTR_RX_FRRD },
{ "ae", 0x7a, INSTR_RX_FRRD },
{ "se", 0x7b, INSTR_RX_FRRD },
{ "mde", 0x7c, INSTR_RX_FRRD },
{ "de", 0x7d, INSTR_RX_FRRD },
{ "au", 0x7e, INSTR_RX_FRRD },
{ "su", 0x7f, INSTR_RX_FRRD },
{ "ssm", 0x80, INSTR_S_RD },
{ "lpsw", 0x82, INSTR_S_RD },
{ "diag", 0x83, INSTR_RS_RRRD },
{ "brxh", 0x84, INSTR_RSI_RRP },
{ "brxle", 0x85, INSTR_RSI_RRP },
{ "bxh", 0x86, INSTR_RS_RRRD },
{ "bxle", 0x87, INSTR_RS_RRRD },
{ "srl", 0x88, INSTR_RS_R0RD },
{ "sll", 0x89, INSTR_RS_R0RD },
{ "sra", 0x8a, INSTR_RS_R0RD },
{ "sla", 0x8b, INSTR_RS_R0RD },
{ "srdl", 0x8c, INSTR_RS_R0RD },
{ "sldl", 0x8d, INSTR_RS_R0RD },
{ "srda", 0x8e, INSTR_RS_R0RD },
{ "slda", 0x8f, INSTR_RS_R0RD },
{ "stm", 0x90, INSTR_RS_RRRD },
{ "tm", 0x91, INSTR_SI_URD },
{ "mvi", 0x92, INSTR_SI_URD },
{ "ts", 0x93, INSTR_S_RD },
{ "ni", 0x94, INSTR_SI_URD },
{ "cli", 0x95, INSTR_SI_URD },
{ "oi", 0x96, INSTR_SI_URD },
{ "xi", 0x97, INSTR_SI_URD },
{ "lm", 0x98, INSTR_RS_RRRD },
{ "trace", 0x99, INSTR_RS_RRRD },
{ "lam", 0x9a, INSTR_RS_AARD },
{ "stam", 0x9b, INSTR_RS_AARD },
{ "mvcle", 0xa8, INSTR_RS_RRRD },
{ "clcle", 0xa9, INSTR_RS_RRRD },
{ "stnsm", 0xac, INSTR_SI_URD },
{ "stosm", 0xad, INSTR_SI_URD },
{ "sigp", 0xae, INSTR_RS_RRRD },
{ "mc", 0xaf, INSTR_SI_URD },
{ "lra", 0xb1, INSTR_RX_RRRD },
{ "stctl", 0xb6, INSTR_RS_CCRD },
{ "lctl", 0xb7, INSTR_RS_CCRD },
{ "cs", 0xba, INSTR_RS_RRRD },
{ "cds", 0xbb, INSTR_RS_RRRD },
{ "clm", 0xbd, INSTR_RS_RURD },
{ "stcm", 0xbe, INSTR_RS_RURD },
{ "icm", 0xbf, INSTR_RS_RURD },
{ "mvn", 0xd1, INSTR_SS_L0RDRD },
{ "mvc", 0xd2, INSTR_SS_L0RDRD },
{ "mvz", 0xd3, INSTR_SS_L0RDRD },
{ "nc", 0xd4, INSTR_SS_L0RDRD },
{ "clc", 0xd5, INSTR_SS_L0RDRD },
{ "oc", 0xd6, INSTR_SS_L0RDRD },
{ "xc", 0xd7, INSTR_SS_L0RDRD },
{ "mvck", 0xd9, INSTR_SS_RRRDRD },
{ "mvcp", 0xda, INSTR_SS_RRRDRD },
{ "mvcs", 0xdb, INSTR_SS_RRRDRD },
{ "tr", 0xdc, INSTR_SS_L0RDRD },
{ "trt", 0xdd, INSTR_SS_L0RDRD },
{ "ed", 0xde, INSTR_SS_L0RDRD },
{ "edmk", 0xdf, INSTR_SS_L0RDRD },
{ "pku", 0xe1, INSTR_SS_L0RDRD },
{ "unpku", 0xe2, INSTR_SS_L0RDRD },
{ "mvcin", 0xe8, INSTR_SS_L0RDRD },
{ "pka", 0xe9, INSTR_SS_L0RDRD },
{ "unpka", 0xea, INSTR_SS_L0RDRD },
{ "plo", 0xee, INSTR_SS_RRRDRD2 },
{ "srp", 0xf0, INSTR_SS_LIRDRD },
{ "mvo", 0xf1, INSTR_SS_LLRDRD },
{ "pack", 0xf2, INSTR_SS_LLRDRD },
{ "unpk", 0xf3, INSTR_SS_LLRDRD },
{ "zap", 0xf8, INSTR_SS_LLRDRD },
{ "cp", 0xf9, INSTR_SS_LLRDRD },
{ "ap", 0xfa, INSTR_SS_LLRDRD },
{ "sp", 0xfb, INSTR_SS_LLRDRD },
{ "mp", 0xfc, INSTR_SS_LLRDRD },
{ "dp", 0xfd, INSTR_SS_LLRDRD },
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_01[] = {
#ifdef CONFIG_64BIT
{ "ptff", 0x04, INSTR_E },
{ "pfpo", 0x0a, INSTR_E },
{ "sam64", 0x0e, INSTR_E },
#endif
{ "pr", 0x01, INSTR_E },
{ "upt", 0x02, INSTR_E },
{ "sckpf", 0x07, INSTR_E },
{ "tam", 0x0b, INSTR_E },
{ "sam24", 0x0c, INSTR_E },
{ "sam31", 0x0d, INSTR_E },
{ "trap2", 0xff, INSTR_E },
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_a5[] = {
#ifdef CONFIG_64BIT
{ "iihh", 0x00, INSTR_RI_RU },
{ "iihl", 0x01, INSTR_RI_RU },
{ "iilh", 0x02, INSTR_RI_RU },
{ "iill", 0x03, INSTR_RI_RU },
{ "nihh", 0x04, INSTR_RI_RU },
{ "nihl", 0x05, INSTR_RI_RU },
{ "nilh", 0x06, INSTR_RI_RU },
{ "nill", 0x07, INSTR_RI_RU },
{ "oihh", 0x08, INSTR_RI_RU },
{ "oihl", 0x09, INSTR_RI_RU },
{ "oilh", 0x0a, INSTR_RI_RU },
{ "oill", 0x0b, INSTR_RI_RU },
{ "llihh", 0x0c, INSTR_RI_RU },
{ "llihl", 0x0d, INSTR_RI_RU },
{ "llilh", 0x0e, INSTR_RI_RU },
{ "llill", 0x0f, INSTR_RI_RU },
#endif
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_a7[] = {
#ifdef CONFIG_64BIT
{ "tmhh", 0x02, INSTR_RI_RU },
{ "tmhl", 0x03, INSTR_RI_RU },
{ "brctg", 0x07, INSTR_RI_RP },
{ "lghi", 0x09, INSTR_RI_RI },
{ "aghi", 0x0b, INSTR_RI_RI },
{ "mghi", 0x0d, INSTR_RI_RI },
{ "cghi", 0x0f, INSTR_RI_RI },
#endif
{ "tmlh", 0x00, INSTR_RI_RU },
{ "tmll", 0x01, INSTR_RI_RU },
{ "brc", 0x04, INSTR_RI_UP },
{ "bras", 0x05, INSTR_RI_RP },
{ "brct", 0x06, INSTR_RI_RP },
{ "lhi", 0x08, INSTR_RI_RI },
{ "ahi", 0x0a, INSTR_RI_RI },
{ "mhi", 0x0c, INSTR_RI_RI },
{ "chi", 0x0e, INSTR_RI_RI },
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_aa[] = {
#ifdef CONFIG_64BIT
{ { 0, LONG_INSN_RINEXT }, 0x00, INSTR_RI_RI },
{ "rion", 0x01, INSTR_RI_RI },
{ "tric", 0x02, INSTR_RI_RI },
{ "rioff", 0x03, INSTR_RI_RI },
{ { 0, LONG_INSN_RIEMIT }, 0x04, INSTR_RI_RI },
#endif
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_b2[] = {
#ifdef CONFIG_64BIT
{ "stckf", 0x7c, INSTR_S_RD },
{ "lpp", 0x80, INSTR_S_RD },
{ "lcctl", 0x84, INSTR_S_RD },
{ "lpctl", 0x85, INSTR_S_RD },
{ "qsi", 0x86, INSTR_S_RD },
{ "lsctl", 0x87, INSTR_S_RD },
{ "qctri", 0x8e, INSTR_S_RD },
{ "stfle", 0xb0, INSTR_S_RD },
{ "lpswe", 0xb2, INSTR_S_RD },
{ "srnmb", 0xb8, INSTR_S_RD },
{ "srnmt", 0xb9, INSTR_S_RD },
{ "lfas", 0xbd, INSTR_S_RD },
{ "scctr", 0xe0, INSTR_RRE_RR },
{ "spctr", 0xe1, INSTR_RRE_RR },
{ "ecctr", 0xe4, INSTR_RRE_RR },
{ "epctr", 0xe5, INSTR_RRE_RR },
{ "ppa", 0xe8, INSTR_RRF_U0RR },
{ "etnd", 0xec, INSTR_RRE_R0 },
{ "ecpga", 0xed, INSTR_RRE_RR },
{ "tend", 0xf8, INSTR_S_00 },
{ "niai", 0xfa, INSTR_IE_UU },
{ { 0, LONG_INSN_TABORT }, 0xfc, INSTR_S_RD },
#endif
{ "stidp", 0x02, INSTR_S_RD },
{ "sck", 0x04, INSTR_S_RD },
{ "stck", 0x05, INSTR_S_RD },
{ "sckc", 0x06, INSTR_S_RD },
{ "stckc", 0x07, INSTR_S_RD },
{ "spt", 0x08, INSTR_S_RD },
{ "stpt", 0x09, INSTR_S_RD },
{ "spka", 0x0a, INSTR_S_RD },
{ "ipk", 0x0b, INSTR_S_00 },
{ "ptlb", 0x0d, INSTR_S_00 },
{ "spx", 0x10, INSTR_S_RD },
{ "stpx", 0x11, INSTR_S_RD },
{ "stap", 0x12, INSTR_S_RD },
{ "sie", 0x14, INSTR_S_RD },
{ "pc", 0x18, INSTR_S_RD },
{ "sac", 0x19, INSTR_S_RD },
{ "cfc", 0x1a, INSTR_S_RD },
{ "servc", 0x20, INSTR_RRE_RR },
{ "ipte", 0x21, INSTR_RRE_RR },
{ "ipm", 0x22, INSTR_RRE_R0 },
{ "ivsk", 0x23, INSTR_RRE_RR },
{ "iac", 0x24, INSTR_RRE_R0 },
{ "ssar", 0x25, INSTR_RRE_R0 },
{ "epar", 0x26, INSTR_RRE_R0 },
{ "esar", 0x27, INSTR_RRE_R0 },
{ "pt", 0x28, INSTR_RRE_RR },
{ "iske", 0x29, INSTR_RRE_RR },
{ "rrbe", 0x2a, INSTR_RRE_RR },
{ "sske", 0x2b, INSTR_RRF_M0RR },
{ "tb", 0x2c, INSTR_RRE_0R },
{ "dxr", 0x2d, INSTR_RRE_FF },
{ "pgin", 0x2e, INSTR_RRE_RR },
{ "pgout", 0x2f, INSTR_RRE_RR },
{ "csch", 0x30, INSTR_S_00 },
{ "hsch", 0x31, INSTR_S_00 },
{ "msch", 0x32, INSTR_S_RD },
{ "ssch", 0x33, INSTR_S_RD },
{ "stsch", 0x34, INSTR_S_RD },
{ "tsch", 0x35, INSTR_S_RD },
{ "tpi", 0x36, INSTR_S_RD },
{ "sal", 0x37, INSTR_S_00 },
{ "rsch", 0x38, INSTR_S_00 },
{ "stcrw", 0x39, INSTR_S_RD },
{ "stcps", 0x3a, INSTR_S_RD },
{ "rchp", 0x3b, INSTR_S_00 },
{ "schm", 0x3c, INSTR_S_00 },
{ "bakr", 0x40, INSTR_RRE_RR },
{ "cksm", 0x41, INSTR_RRE_RR },
{ "sqdr", 0x44, INSTR_RRE_FF },
{ "sqer", 0x45, INSTR_RRE_FF },
{ "stura", 0x46, INSTR_RRE_RR },
{ "msta", 0x47, INSTR_RRE_R0 },
{ "palb", 0x48, INSTR_RRE_00 },
{ "ereg", 0x49, INSTR_RRE_RR },
{ "esta", 0x4a, INSTR_RRE_RR },
{ "lura", 0x4b, INSTR_RRE_RR },
{ "tar", 0x4c, INSTR_RRE_AR },
{ "cpya", 0x4d, INSTR_RRE_AA },
{ "sar", 0x4e, INSTR_RRE_AR },
{ "ear", 0x4f, INSTR_RRE_RA },
{ "csp", 0x50, INSTR_RRE_RR },
{ "msr", 0x52, INSTR_RRE_RR },
{ "mvpg", 0x54, INSTR_RRE_RR },
{ "mvst", 0x55, INSTR_RRE_RR },
{ "cuse", 0x57, INSTR_RRE_RR },
{ "bsg", 0x58, INSTR_RRE_RR },
{ "bsa", 0x5a, INSTR_RRE_RR },
{ "clst", 0x5d, INSTR_RRE_RR },
{ "srst", 0x5e, INSTR_RRE_RR },
{ "cmpsc", 0x63, INSTR_RRE_RR },
{ "siga", 0x74, INSTR_S_RD },
{ "xsch", 0x76, INSTR_S_00 },
{ "rp", 0x77, INSTR_S_RD },
{ "stcke", 0x78, INSTR_S_RD },
{ "sacf", 0x79, INSTR_S_RD },
{ "stsi", 0x7d, INSTR_S_RD },
{ "srnm", 0x99, INSTR_S_RD },
{ "stfpc", 0x9c, INSTR_S_RD },
{ "lfpc", 0x9d, INSTR_S_RD },
{ "tre", 0xa5, INSTR_RRE_RR },
{ "cuutf", 0xa6, INSTR_RRF_M0RR },
{ "cutfu", 0xa7, INSTR_RRF_M0RR },
{ "stfl", 0xb1, INSTR_S_RD },
{ "trap4", 0xff, INSTR_S_RD },
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_b3[] = {
#ifdef CONFIG_64BIT
{ "maylr", 0x38, INSTR_RRF_F0FF },
{ "mylr", 0x39, INSTR_RRF_F0FF },
{ "mayr", 0x3a, INSTR_RRF_F0FF },
{ "myr", 0x3b, INSTR_RRF_F0FF },
{ "mayhr", 0x3c, INSTR_RRF_F0FF },
{ "myhr", 0x3d, INSTR_RRF_F0FF },
{ "lpdfr", 0x70, INSTR_RRE_FF },
{ "lndfr", 0x71, INSTR_RRE_FF },
{ "cpsdr", 0x72, INSTR_RRF_F0FF2 },
{ "lcdfr", 0x73, INSTR_RRE_FF },
{ "sfasr", 0x85, INSTR_RRE_R0 },
{ { 0, LONG_INSN_CELFBR }, 0x90, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CDLFBR }, 0x91, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CXLFBR }, 0x92, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CEFBRA }, 0x94, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CDFBRA }, 0x95, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CXFBRA }, 0x96, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CFEBRA }, 0x98, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CFDBRA }, 0x99, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CFXBRA }, 0x9a, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CLFEBR }, 0x9c, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CLFDBR }, 0x9d, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CLFXBR }, 0x9e, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CELGBR }, 0xa0, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CDLGBR }, 0xa1, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CXLGBR }, 0xa2, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CEGBRA }, 0xa4, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CDGBRA }, 0xa5, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CXGBRA }, 0xa6, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CGEBRA }, 0xa8, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CGDBRA }, 0xa9, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CGXBRA }, 0xaa, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CLGEBR }, 0xac, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CLGDBR }, 0xad, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CLGXBR }, 0xae, INSTR_RRF_UUFR },
{ "ldgr", 0xc1, INSTR_RRE_FR },
{ "cegr", 0xc4, INSTR_RRE_FR },
{ "cdgr", 0xc5, INSTR_RRE_FR },
{ "cxgr", 0xc6, INSTR_RRE_FR },
{ "cger", 0xc8, INSTR_RRF_U0RF },
{ "cgdr", 0xc9, INSTR_RRF_U0RF },
{ "cgxr", 0xca, INSTR_RRF_U0RF },
{ "lgdr", 0xcd, INSTR_RRE_RF },
{ "mdtra", 0xd0, INSTR_RRF_FUFF2 },
{ "ddtra", 0xd1, INSTR_RRF_FUFF2 },
{ "adtra", 0xd2, INSTR_RRF_FUFF2 },
{ "sdtra", 0xd3, INSTR_RRF_FUFF2 },
{ "ldetr", 0xd4, INSTR_RRF_0UFF },
{ "ledtr", 0xd5, INSTR_RRF_UUFF },
{ "ltdtr", 0xd6, INSTR_RRE_FF },
{ "fidtr", 0xd7, INSTR_RRF_UUFF },
{ "mxtra", 0xd8, INSTR_RRF_FUFF2 },
{ "dxtra", 0xd9, INSTR_RRF_FUFF2 },
{ "axtra", 0xda, INSTR_RRF_FUFF2 },
{ "sxtra", 0xdb, INSTR_RRF_FUFF2 },
{ "lxdtr", 0xdc, INSTR_RRF_0UFF },
{ "ldxtr", 0xdd, INSTR_RRF_UUFF },
{ "ltxtr", 0xde, INSTR_RRE_FF },
{ "fixtr", 0xdf, INSTR_RRF_UUFF },
{ "kdtr", 0xe0, INSTR_RRE_FF },
{ { 0, LONG_INSN_CGDTRA }, 0xe1, INSTR_RRF_UURF },
{ "cudtr", 0xe2, INSTR_RRE_RF },
{ "csdtr", 0xe3, INSTR_RRE_RF },
{ "cdtr", 0xe4, INSTR_RRE_FF },
{ "eedtr", 0xe5, INSTR_RRE_RF },
{ "esdtr", 0xe7, INSTR_RRE_RF },
{ "kxtr", 0xe8, INSTR_RRE_FF },
{ { 0, LONG_INSN_CGXTRA }, 0xe9, INSTR_RRF_UUFR },
{ "cuxtr", 0xea, INSTR_RRE_RF },
{ "csxtr", 0xeb, INSTR_RRE_RF },
{ "cxtr", 0xec, INSTR_RRE_FF },
{ "eextr", 0xed, INSTR_RRE_RF },
{ "esxtr", 0xef, INSTR_RRE_RF },
{ { 0, LONG_INSN_CDGTRA }, 0xf1, INSTR_RRF_UUFR },
{ "cdutr", 0xf2, INSTR_RRE_FR },
{ "cdstr", 0xf3, INSTR_RRE_FR },
{ "cedtr", 0xf4, INSTR_RRE_FF },
{ "qadtr", 0xf5, INSTR_RRF_FUFF },
{ "iedtr", 0xf6, INSTR_RRF_F0FR },
{ "rrdtr", 0xf7, INSTR_RRF_FFRU },
{ { 0, LONG_INSN_CXGTRA }, 0xf9, INSTR_RRF_UURF },
{ "cxutr", 0xfa, INSTR_RRE_FR },
{ "cxstr", 0xfb, INSTR_RRE_FR },
{ "cextr", 0xfc, INSTR_RRE_FF },
{ "qaxtr", 0xfd, INSTR_RRF_FUFF },
{ "iextr", 0xfe, INSTR_RRF_F0FR },
{ "rrxtr", 0xff, INSTR_RRF_FFRU },
#endif
{ "lpebr", 0x00, INSTR_RRE_FF },
{ "lnebr", 0x01, INSTR_RRE_FF },
{ "ltebr", 0x02, INSTR_RRE_FF },
{ "lcebr", 0x03, INSTR_RRE_FF },
{ "ldebr", 0x04, INSTR_RRE_FF },
{ "lxdbr", 0x05, INSTR_RRE_FF },
{ "lxebr", 0x06, INSTR_RRE_FF },
{ "mxdbr", 0x07, INSTR_RRE_FF },
{ "kebr", 0x08, INSTR_RRE_FF },
{ "cebr", 0x09, INSTR_RRE_FF },
{ "aebr", 0x0a, INSTR_RRE_FF },
{ "sebr", 0x0b, INSTR_RRE_FF },
{ "mdebr", 0x0c, INSTR_RRE_FF },
{ "debr", 0x0d, INSTR_RRE_FF },
{ "maebr", 0x0e, INSTR_RRF_F0FF },
{ "msebr", 0x0f, INSTR_RRF_F0FF },
{ "lpdbr", 0x10, INSTR_RRE_FF },
{ "lndbr", 0x11, INSTR_RRE_FF },
{ "ltdbr", 0x12, INSTR_RRE_FF },
{ "lcdbr", 0x13, INSTR_RRE_FF },
{ "sqebr", 0x14, INSTR_RRE_FF },
{ "sqdbr", 0x15, INSTR_RRE_FF },
{ "sqxbr", 0x16, INSTR_RRE_FF },
{ "meebr", 0x17, INSTR_RRE_FF },
{ "kdbr", 0x18, INSTR_RRE_FF },
{ "cdbr", 0x19, INSTR_RRE_FF },
{ "adbr", 0x1a, INSTR_RRE_FF },
{ "sdbr", 0x1b, INSTR_RRE_FF },
{ "mdbr", 0x1c, INSTR_RRE_FF },
{ "ddbr", 0x1d, INSTR_RRE_FF },
{ "madbr", 0x1e, INSTR_RRF_F0FF },
{ "msdbr", 0x1f, INSTR_RRF_F0FF },
{ "lder", 0x24, INSTR_RRE_FF },
{ "lxdr", 0x25, INSTR_RRE_FF },
{ "lxer", 0x26, INSTR_RRE_FF },
{ "maer", 0x2e, INSTR_RRF_F0FF },
{ "mser", 0x2f, INSTR_RRF_F0FF },
{ "sqxr", 0x36, INSTR_RRE_FF },
{ "meer", 0x37, INSTR_RRE_FF },
{ "madr", 0x3e, INSTR_RRF_F0FF },
{ "msdr", 0x3f, INSTR_RRF_F0FF },
{ "lpxbr", 0x40, INSTR_RRE_FF },
{ "lnxbr", 0x41, INSTR_RRE_FF },
{ "ltxbr", 0x42, INSTR_RRE_FF },
{ "lcxbr", 0x43, INSTR_RRE_FF },
{ { 0, LONG_INSN_LEDBRA }, 0x44, INSTR_RRF_UUFF },
{ { 0, LONG_INSN_LDXBRA }, 0x45, INSTR_RRF_UUFF },
{ { 0, LONG_INSN_LEXBRA }, 0x46, INSTR_RRF_UUFF },
{ { 0, LONG_INSN_FIXBRA }, 0x47, INSTR_RRF_UUFF },
{ "kxbr", 0x48, INSTR_RRE_FF },
{ "cxbr", 0x49, INSTR_RRE_FF },
{ "axbr", 0x4a, INSTR_RRE_FF },
{ "sxbr", 0x4b, INSTR_RRE_FF },
{ "mxbr", 0x4c, INSTR_RRE_FF },
{ "dxbr", 0x4d, INSTR_RRE_FF },
{ "tbedr", 0x50, INSTR_RRF_U0FF },
{ "tbdr", 0x51, INSTR_RRF_U0FF },
{ "diebr", 0x53, INSTR_RRF_FUFF },
{ { 0, LONG_INSN_FIEBRA }, 0x57, INSTR_RRF_UUFF },
{ "thder", 0x58, INSTR_RRE_FF },
{ "thdr", 0x59, INSTR_RRE_FF },
{ "didbr", 0x5b, INSTR_RRF_FUFF },
{ { 0, LONG_INSN_FIDBRA }, 0x5f, INSTR_RRF_UUFF },
{ "lpxr", 0x60, INSTR_RRE_FF },
{ "lnxr", 0x61, INSTR_RRE_FF },
{ "ltxr", 0x62, INSTR_RRE_FF },
{ "lcxr", 0x63, INSTR_RRE_FF },
{ "lxr", 0x65, INSTR_RRE_FF },
{ "lexr", 0x66, INSTR_RRE_FF },
{ "fixr", 0x67, INSTR_RRE_FF },
{ "cxr", 0x69, INSTR_RRE_FF },
{ "lzer", 0x74, INSTR_RRE_F0 },
{ "lzdr", 0x75, INSTR_RRE_F0 },
{ "lzxr", 0x76, INSTR_RRE_F0 },
{ "fier", 0x77, INSTR_RRE_FF },
{ "fidr", 0x7f, INSTR_RRE_FF },
{ "sfpc", 0x84, INSTR_RRE_RR_OPT },
{ "efpc", 0x8c, INSTR_RRE_RR_OPT },
{ "cefbr", 0x94, INSTR_RRE_RF },
{ "cdfbr", 0x95, INSTR_RRE_RF },
{ "cxfbr", 0x96, INSTR_RRE_RF },
{ "cfebr", 0x98, INSTR_RRF_U0RF },
{ "cfdbr", 0x99, INSTR_RRF_U0RF },
{ "cfxbr", 0x9a, INSTR_RRF_U0RF },
{ "cefr", 0xb4, INSTR_RRE_FR },
{ "cdfr", 0xb5, INSTR_RRE_FR },
{ "cxfr", 0xb6, INSTR_RRE_FR },
{ "cfer", 0xb8, INSTR_RRF_U0RF },
{ "cfdr", 0xb9, INSTR_RRF_U0RF },
{ "cfxr", 0xba, INSTR_RRF_U0RF },
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_b9[] = {
#ifdef CONFIG_64BIT
{ "lpgr", 0x00, INSTR_RRE_RR },
{ "lngr", 0x01, INSTR_RRE_RR },
{ "ltgr", 0x02, INSTR_RRE_RR },
{ "lcgr", 0x03, INSTR_RRE_RR },
{ "lgr", 0x04, INSTR_RRE_RR },
{ "lurag", 0x05, INSTR_RRE_RR },
{ "lgbr", 0x06, INSTR_RRE_RR },
{ "lghr", 0x07, INSTR_RRE_RR },
{ "agr", 0x08, INSTR_RRE_RR },
{ "sgr", 0x09, INSTR_RRE_RR },
{ "algr", 0x0a, INSTR_RRE_RR },
{ "slgr", 0x0b, INSTR_RRE_RR },
{ "msgr", 0x0c, INSTR_RRE_RR },
{ "dsgr", 0x0d, INSTR_RRE_RR },
{ "eregg", 0x0e, INSTR_RRE_RR },
{ "lrvgr", 0x0f, INSTR_RRE_RR },
{ "lpgfr", 0x10, INSTR_RRE_RR },
{ "lngfr", 0x11, INSTR_RRE_RR },
{ "ltgfr", 0x12, INSTR_RRE_RR },
{ "lcgfr", 0x13, INSTR_RRE_RR },
{ "lgfr", 0x14, INSTR_RRE_RR },
{ "llgfr", 0x16, INSTR_RRE_RR },
{ "llgtr", 0x17, INSTR_RRE_RR },
{ "agfr", 0x18, INSTR_RRE_RR },
{ "sgfr", 0x19, INSTR_RRE_RR },
{ "algfr", 0x1a, INSTR_RRE_RR },
{ "slgfr", 0x1b, INSTR_RRE_RR },
{ "msgfr", 0x1c, INSTR_RRE_RR },
{ "dsgfr", 0x1d, INSTR_RRE_RR },
{ "cgr", 0x20, INSTR_RRE_RR },
{ "clgr", 0x21, INSTR_RRE_RR },
{ "sturg", 0x25, INSTR_RRE_RR },
{ "lbr", 0x26, INSTR_RRE_RR },
{ "lhr", 0x27, INSTR_RRE_RR },
{ "cgfr", 0x30, INSTR_RRE_RR },
{ "clgfr", 0x31, INSTR_RRE_RR },
{ "cfdtr", 0x41, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CLGDTR }, 0x42, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CLFDTR }, 0x43, INSTR_RRF_UURF },
{ "bctgr", 0x46, INSTR_RRE_RR },
{ "cfxtr", 0x49, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CLGXTR }, 0x4a, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CLFXTR }, 0x4b, INSTR_RRF_UUFR },
{ "cdftr", 0x51, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CDLGTR }, 0x52, INSTR_RRF_UUFR },
{ { 0, LONG_INSN_CDLFTR }, 0x53, INSTR_RRF_UUFR },
{ "cxftr", 0x59, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CXLGTR }, 0x5a, INSTR_RRF_UURF },
{ { 0, LONG_INSN_CXLFTR }, 0x5b, INSTR_RRF_UUFR },
{ "cgrt", 0x60, INSTR_RRF_U0RR },
{ "clgrt", 0x61, INSTR_RRF_U0RR },
{ "crt", 0x72, INSTR_RRF_U0RR },
{ "clrt", 0x73, INSTR_RRF_U0RR },
{ "ngr", 0x80, INSTR_RRE_RR },
{ "ogr", 0x81, INSTR_RRE_RR },
{ "xgr", 0x82, INSTR_RRE_RR },
{ "flogr", 0x83, INSTR_RRE_RR },
{ "llgcr", 0x84, INSTR_RRE_RR },
{ "llghr", 0x85, INSTR_RRE_RR },
{ "mlgr", 0x86, INSTR_RRE_RR },
{ "dlgr", 0x87, INSTR_RRE_RR },
{ "alcgr", 0x88, INSTR_RRE_RR },
{ "slbgr", 0x89, INSTR_RRE_RR },
{ "cspg", 0x8a, INSTR_RRE_RR },
{ "idte", 0x8e, INSTR_RRF_R0RR },
{ "crdte", 0x8f, INSTR_RRF_RMRR },
{ "llcr", 0x94, INSTR_RRE_RR },
{ "llhr", 0x95, INSTR_RRE_RR },
{ "esea", 0x9d, INSTR_RRE_R0 },
{ "ptf", 0xa2, INSTR_RRE_R0 },
{ "lptea", 0xaa, INSTR_RRF_RURR },
{ "rrbm", 0xae, INSTR_RRE_RR },
{ "pfmf", 0xaf, INSTR_RRE_RR },
{ "cu14", 0xb0, INSTR_RRF_M0RR },
{ "cu24", 0xb1, INSTR_RRF_M0RR },
{ "cu41", 0xb2, INSTR_RRE_RR },
{ "cu42", 0xb3, INSTR_RRE_RR },
{ "trtre", 0xbd, INSTR_RRF_M0RR },
{ "srstu", 0xbe, INSTR_RRE_RR },
{ "trte", 0xbf, INSTR_RRF_M0RR },
{ "ahhhr", 0xc8, INSTR_RRF_R0RR2 },
{ "shhhr", 0xc9, INSTR_RRF_R0RR2 },
{ { 0, LONG_INSN_ALHHHR }, 0xca, INSTR_RRF_R0RR2 },
{ { 0, LONG_INSN_SLHHHR }, 0xcb, INSTR_RRF_R0RR2 },
{ "chhr", 0xcd, INSTR_RRE_RR },
{ "clhhr", 0xcf, INSTR_RRE_RR },
{ { 0, LONG_INSN_PCISTG }, 0xd0, INSTR_RRE_RR },
{ "pcilg", 0xd2, INSTR_RRE_RR },
{ "rpcit", 0xd3, INSTR_RRE_RR },
{ "ahhlr", 0xd8, INSTR_RRF_R0RR2 },
{ "shhlr", 0xd9, INSTR_RRF_R0RR2 },
{ { 0, LONG_INSN_ALHHLR }, 0xda, INSTR_RRF_R0RR2 },
{ { 0, LONG_INSN_SLHHLR }, 0xdb, INSTR_RRF_R0RR2 },
{ "chlr", 0xdd, INSTR_RRE_RR },
{ "clhlr", 0xdf, INSTR_RRE_RR },
{ { 0, LONG_INSN_POPCNT }, 0xe1, INSTR_RRE_RR },
{ "locgr", 0xe2, INSTR_RRF_M0RR },
{ "ngrk", 0xe4, INSTR_RRF_R0RR2 },
{ "ogrk", 0xe6, INSTR_RRF_R0RR2 },
{ "xgrk", 0xe7, INSTR_RRF_R0RR2 },
{ "agrk", 0xe8, INSTR_RRF_R0RR2 },
{ "sgrk", 0xe9, INSTR_RRF_R0RR2 },
{ "algrk", 0xea, INSTR_RRF_R0RR2 },
{ "slgrk", 0xeb, INSTR_RRF_R0RR2 },
{ "locr", 0xf2, INSTR_RRF_M0RR },
{ "nrk", 0xf4, INSTR_RRF_R0RR2 },
{ "ork", 0xf6, INSTR_RRF_R0RR2 },
{ "xrk", 0xf7, INSTR_RRF_R0RR2 },
{ "ark", 0xf8, INSTR_RRF_R0RR2 },
{ "srk", 0xf9, INSTR_RRF_R0RR2 },
{ "alrk", 0xfa, INSTR_RRF_R0RR2 },
{ "slrk", 0xfb, INSTR_RRF_R0RR2 },
#endif
{ "kmac", 0x1e, INSTR_RRE_RR },
{ "lrvr", 0x1f, INSTR_RRE_RR },
{ "km", 0x2e, INSTR_RRE_RR },
{ "kmc", 0x2f, INSTR_RRE_RR },
{ "kimd", 0x3e, INSTR_RRE_RR },
{ "klmd", 0x3f, INSTR_RRE_RR },
{ "epsw", 0x8d, INSTR_RRE_RR },
{ "trtt", 0x90, INSTR_RRF_M0RR },
{ "trto", 0x91, INSTR_RRF_M0RR },
{ "trot", 0x92, INSTR_RRF_M0RR },
{ "troo", 0x93, INSTR_RRF_M0RR },
{ "mlr", 0x96, INSTR_RRE_RR },
{ "dlr", 0x97, INSTR_RRE_RR },
{ "alcr", 0x98, INSTR_RRE_RR },
{ "slbr", 0x99, INSTR_RRE_RR },
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_c0[] = {
#ifdef CONFIG_64BIT
{ "lgfi", 0x01, INSTR_RIL_RI },
{ "xihf", 0x06, INSTR_RIL_RU },
{ "xilf", 0x07, INSTR_RIL_RU },
{ "iihf", 0x08, INSTR_RIL_RU },
{ "iilf", 0x09, INSTR_RIL_RU },
{ "nihf", 0x0a, INSTR_RIL_RU },
{ "nilf", 0x0b, INSTR_RIL_RU },
{ "oihf", 0x0c, INSTR_RIL_RU },
{ "oilf", 0x0d, INSTR_RIL_RU },
{ "llihf", 0x0e, INSTR_RIL_RU },
{ "llilf", 0x0f, INSTR_RIL_RU },
#endif
{ "larl", 0x00, INSTR_RIL_RP },
{ "brcl", 0x04, INSTR_RIL_UP },
{ "brasl", 0x05, INSTR_RIL_RP },
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_c2[] = {
#ifdef CONFIG_64BIT
{ "msgfi", 0x00, INSTR_RIL_RI },
{ "msfi", 0x01, INSTR_RIL_RI },
{ "slgfi", 0x04, INSTR_RIL_RU },
{ "slfi", 0x05, INSTR_RIL_RU },
{ "agfi", 0x08, INSTR_RIL_RI },
{ "afi", 0x09, INSTR_RIL_RI },
{ "algfi", 0x0a, INSTR_RIL_RU },
{ "alfi", 0x0b, INSTR_RIL_RU },
{ "cgfi", 0x0c, INSTR_RIL_RI },
{ "cfi", 0x0d, INSTR_RIL_RI },
{ "clgfi", 0x0e, INSTR_RIL_RU },
{ "clfi", 0x0f, INSTR_RIL_RU },
#endif
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_c4[] = {
#ifdef CONFIG_64BIT
{ "llhrl", 0x02, INSTR_RIL_RP },
{ "lghrl", 0x04, INSTR_RIL_RP },
{ "lhrl", 0x05, INSTR_RIL_RP },
{ { 0, LONG_INSN_LLGHRL }, 0x06, INSTR_RIL_RP },
{ "sthrl", 0x07, INSTR_RIL_RP },
{ "lgrl", 0x08, INSTR_RIL_RP },
{ "stgrl", 0x0b, INSTR_RIL_RP },
{ "lgfrl", 0x0c, INSTR_RIL_RP },
{ "lrl", 0x0d, INSTR_RIL_RP },
{ { 0, LONG_INSN_LLGFRL }, 0x0e, INSTR_RIL_RP },
{ "strl", 0x0f, INSTR_RIL_RP },
#endif
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_c6[] = {
#ifdef CONFIG_64BIT
{ "exrl", 0x00, INSTR_RIL_RP },
{ "pfdrl", 0x02, INSTR_RIL_UP },
{ "cghrl", 0x04, INSTR_RIL_RP },
{ "chrl", 0x05, INSTR_RIL_RP },
{ { 0, LONG_INSN_CLGHRL }, 0x06, INSTR_RIL_RP },
{ "clhrl", 0x07, INSTR_RIL_RP },
{ "cgrl", 0x08, INSTR_RIL_RP },
{ "clgrl", 0x0a, INSTR_RIL_RP },
{ "cgfrl", 0x0c, INSTR_RIL_RP },
{ "crl", 0x0d, INSTR_RIL_RP },
{ { 0, LONG_INSN_CLGFRL }, 0x0e, INSTR_RIL_RP },
{ "clrl", 0x0f, INSTR_RIL_RP },
#endif
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_c8[] = {
#ifdef CONFIG_64BIT
{ "mvcos", 0x00, INSTR_SSF_RRDRD },
{ "ectg", 0x01, INSTR_SSF_RRDRD },
{ "csst", 0x02, INSTR_SSF_RRDRD },
{ "lpd", 0x04, INSTR_SSF_RRDRD2 },
{ "lpdg", 0x05, INSTR_SSF_RRDRD2 },
#endif
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_cc[] = {
#ifdef CONFIG_64BIT
{ "brcth", 0x06, INSTR_RIL_RP },
{ "aih", 0x08, INSTR_RIL_RI },
{ "alsih", 0x0a, INSTR_RIL_RI },
{ { 0, LONG_INSN_ALSIHN }, 0x0b, INSTR_RIL_RI },
{ "cih", 0x0d, INSTR_RIL_RI },
{ "clih", 0x0f, INSTR_RIL_RI },
#endif
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_e3[] = {
#ifdef CONFIG_64BIT
{ "ltg", 0x02, INSTR_RXY_RRRD },
{ "lrag", 0x03, INSTR_RXY_RRRD },
{ "lg", 0x04, INSTR_RXY_RRRD },
{ "cvby", 0x06, INSTR_RXY_RRRD },
{ "ag", 0x08, INSTR_RXY_RRRD },
{ "sg", 0x09, INSTR_RXY_RRRD },
{ "alg", 0x0a, INSTR_RXY_RRRD },
{ "slg", 0x0b, INSTR_RXY_RRRD },
{ "msg", 0x0c, INSTR_RXY_RRRD },
{ "dsg", 0x0d, INSTR_RXY_RRRD },
{ "cvbg", 0x0e, INSTR_RXY_RRRD },
{ "lrvg", 0x0f, INSTR_RXY_RRRD },
{ "lt", 0x12, INSTR_RXY_RRRD },
{ "lray", 0x13, INSTR_RXY_RRRD },
{ "lgf", 0x14, INSTR_RXY_RRRD },
{ "lgh", 0x15, INSTR_RXY_RRRD },
{ "llgf", 0x16, INSTR_RXY_RRRD },
{ "llgt", 0x17, INSTR_RXY_RRRD },
{ "agf", 0x18, INSTR_RXY_RRRD },
{ "sgf", 0x19, INSTR_RXY_RRRD },
{ "algf", 0x1a, INSTR_RXY_RRRD },
{ "slgf", 0x1b, INSTR_RXY_RRRD },
{ "msgf", 0x1c, INSTR_RXY_RRRD },
{ "dsgf", 0x1d, INSTR_RXY_RRRD },
{ "cg", 0x20, INSTR_RXY_RRRD },
{ "clg", 0x21, INSTR_RXY_RRRD },
{ "stg", 0x24, INSTR_RXY_RRRD },
{ "ntstg", 0x25, INSTR_RXY_RRRD },
{ "cvdy", 0x26, INSTR_RXY_RRRD },
{ "cvdg", 0x2e, INSTR_RXY_RRRD },
{ "strvg", 0x2f, INSTR_RXY_RRRD },
{ "cgf", 0x30, INSTR_RXY_RRRD },
{ "clgf", 0x31, INSTR_RXY_RRRD },
{ "ltgf", 0x32, INSTR_RXY_RRRD },
{ "cgh", 0x34, INSTR_RXY_RRRD },
{ "pfd", 0x36, INSTR_RXY_URRD },
{ "strvh", 0x3f, INSTR_RXY_RRRD },
{ "bctg", 0x46, INSTR_RXY_RRRD },
{ "sty", 0x50, INSTR_RXY_RRRD },
{ "msy", 0x51, INSTR_RXY_RRRD },
{ "ny", 0x54, INSTR_RXY_RRRD },
{ "cly", 0x55, INSTR_RXY_RRRD },
{ "oy", 0x56, INSTR_RXY_RRRD },
{ "xy", 0x57, INSTR_RXY_RRRD },
{ "ly", 0x58, INSTR_RXY_RRRD },
{ "cy", 0x59, INSTR_RXY_RRRD },
{ "ay", 0x5a, INSTR_RXY_RRRD },
{ "sy", 0x5b, INSTR_RXY_RRRD },
{ "mfy", 0x5c, INSTR_RXY_RRRD },
{ "aly", 0x5e, INSTR_RXY_RRRD },
{ "sly", 0x5f, INSTR_RXY_RRRD },
{ "sthy", 0x70, INSTR_RXY_RRRD },
{ "lay", 0x71, INSTR_RXY_RRRD },
{ "stcy", 0x72, INSTR_RXY_RRRD },
{ "icy", 0x73, INSTR_RXY_RRRD },
{ "laey", 0x75, INSTR_RXY_RRRD },
{ "lb", 0x76, INSTR_RXY_RRRD },
{ "lgb", 0x77, INSTR_RXY_RRRD },
{ "lhy", 0x78, INSTR_RXY_RRRD },
{ "chy", 0x79, INSTR_RXY_RRRD },
{ "ahy", 0x7a, INSTR_RXY_RRRD },
{ "shy", 0x7b, INSTR_RXY_RRRD },
{ "mhy", 0x7c, INSTR_RXY_RRRD },
{ "ng", 0x80, INSTR_RXY_RRRD },
{ "og", 0x81, INSTR_RXY_RRRD },
{ "xg", 0x82, INSTR_RXY_RRRD },
{ "lgat", 0x85, INSTR_RXY_RRRD },
{ "mlg", 0x86, INSTR_RXY_RRRD },
{ "dlg", 0x87, INSTR_RXY_RRRD },
{ "alcg", 0x88, INSTR_RXY_RRRD },
{ "slbg", 0x89, INSTR_RXY_RRRD },
{ "stpq", 0x8e, INSTR_RXY_RRRD },
{ "lpq", 0x8f, INSTR_RXY_RRRD },
{ "llgc", 0x90, INSTR_RXY_RRRD },
{ "llgh", 0x91, INSTR_RXY_RRRD },
{ "llc", 0x94, INSTR_RXY_RRRD },
{ "llh", 0x95, INSTR_RXY_RRRD },
{ { 0, LONG_INSN_LLGTAT }, 0x9c, INSTR_RXY_RRRD },
{ { 0, LONG_INSN_LLGFAT }, 0x9d, INSTR_RXY_RRRD },
{ "lat", 0x9f, INSTR_RXY_RRRD },
{ "lbh", 0xc0, INSTR_RXY_RRRD },
{ "llch", 0xc2, INSTR_RXY_RRRD },
{ "stch", 0xc3, INSTR_RXY_RRRD },
{ "lhh", 0xc4, INSTR_RXY_RRRD },
{ "llhh", 0xc6, INSTR_RXY_RRRD },
{ "sthh", 0xc7, INSTR_RXY_RRRD },
{ "lfhat", 0xc8, INSTR_RXY_RRRD },
{ "lfh", 0xca, INSTR_RXY_RRRD },
{ "stfh", 0xcb, INSTR_RXY_RRRD },
{ "chf", 0xcd, INSTR_RXY_RRRD },
{ "clhf", 0xcf, INSTR_RXY_RRRD },
{ { 0, LONG_INSN_MPCIFC }, 0xd0, INSTR_RXY_RRRD },
{ { 0, LONG_INSN_STPCIFC }, 0xd4, INSTR_RXY_RRRD },
#endif
{ "lrv", 0x1e, INSTR_RXY_RRRD },
{ "lrvh", 0x1f, INSTR_RXY_RRRD },
{ "strv", 0x3e, INSTR_RXY_RRRD },
{ "ml", 0x96, INSTR_RXY_RRRD },
{ "dl", 0x97, INSTR_RXY_RRRD },
{ "alc", 0x98, INSTR_RXY_RRRD },
{ "slb", 0x99, INSTR_RXY_RRRD },
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_e5[] = {
#ifdef CONFIG_64BIT
{ "strag", 0x02, INSTR_SSE_RDRD },
{ "mvhhi", 0x44, INSTR_SIL_RDI },
{ "mvghi", 0x48, INSTR_SIL_RDI },
{ "mvhi", 0x4c, INSTR_SIL_RDI },
{ "chhsi", 0x54, INSTR_SIL_RDI },
{ { 0, LONG_INSN_CLHHSI }, 0x55, INSTR_SIL_RDU },
{ "cghsi", 0x58, INSTR_SIL_RDI },
{ { 0, LONG_INSN_CLGHSI }, 0x59, INSTR_SIL_RDU },
{ "chsi", 0x5c, INSTR_SIL_RDI },
{ { 0, LONG_INSN_CLFHSI }, 0x5d, INSTR_SIL_RDU },
{ { 0, LONG_INSN_TBEGIN }, 0x60, INSTR_SIL_RDU },
{ { 0, LONG_INSN_TBEGINC }, 0x61, INSTR_SIL_RDU },
#endif
{ "lasp", 0x00, INSTR_SSE_RDRD },
{ "tprot", 0x01, INSTR_SSE_RDRD },
{ "mvcsk", 0x0e, INSTR_SSE_RDRD },
{ "mvcdk", 0x0f, INSTR_SSE_RDRD },
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_eb[] = {
#ifdef CONFIG_64BIT
{ "lmg", 0x04, INSTR_RSY_RRRD },
{ "srag", 0x0a, INSTR_RSY_RRRD },
{ "slag", 0x0b, INSTR_RSY_RRRD },
{ "srlg", 0x0c, INSTR_RSY_RRRD },
{ "sllg", 0x0d, INSTR_RSY_RRRD },
{ "tracg", 0x0f, INSTR_RSY_RRRD },
{ "csy", 0x14, INSTR_RSY_RRRD },
{ "rllg", 0x1c, INSTR_RSY_RRRD },
{ "clmh", 0x20, INSTR_RSY_RURD },
{ "clmy", 0x21, INSTR_RSY_RURD },
{ "clt", 0x23, INSTR_RSY_RURD },
{ "stmg", 0x24, INSTR_RSY_RRRD },
{ "stctg", 0x25, INSTR_RSY_CCRD },
{ "stmh", 0x26, INSTR_RSY_RRRD },
{ "clgt", 0x2b, INSTR_RSY_RURD },
{ "stcmh", 0x2c, INSTR_RSY_RURD },
{ "stcmy", 0x2d, INSTR_RSY_RURD },
{ "lctlg", 0x2f, INSTR_RSY_CCRD },
{ "csg", 0x30, INSTR_RSY_RRRD },
{ "cdsy", 0x31, INSTR_RSY_RRRD },
{ "cdsg", 0x3e, INSTR_RSY_RRRD },
{ "bxhg", 0x44, INSTR_RSY_RRRD },
{ "bxleg", 0x45, INSTR_RSY_RRRD },
{ "ecag", 0x4c, INSTR_RSY_RRRD },
{ "tmy", 0x51, INSTR_SIY_URD },
{ "mviy", 0x52, INSTR_SIY_URD },
{ "niy", 0x54, INSTR_SIY_URD },
{ "cliy", 0x55, INSTR_SIY_URD },
{ "oiy", 0x56, INSTR_SIY_URD },
{ "xiy", 0x57, INSTR_SIY_URD },
{ "asi", 0x6a, INSTR_SIY_IRD },
{ "alsi", 0x6e, INSTR_SIY_IRD },
{ "agsi", 0x7a, INSTR_SIY_IRD },
{ "algsi", 0x7e, INSTR_SIY_IRD },
{ "icmh", 0x80, INSTR_RSY_RURD },
{ "icmy", 0x81, INSTR_RSY_RURD },
{ "clclu", 0x8f, INSTR_RSY_RRRD },
{ "stmy", 0x90, INSTR_RSY_RRRD },
{ "lmh", 0x96, INSTR_RSY_RRRD },
{ "lmy", 0x98, INSTR_RSY_RRRD },
{ "lamy", 0x9a, INSTR_RSY_AARD },
{ "stamy", 0x9b, INSTR_RSY_AARD },
{ { 0, LONG_INSN_PCISTB }, 0xd0, INSTR_RSY_RRRD },
{ "sic", 0xd1, INSTR_RSY_RRRD },
{ "srak", 0xdc, INSTR_RSY_RRRD },
{ "slak", 0xdd, INSTR_RSY_RRRD },
{ "srlk", 0xde, INSTR_RSY_RRRD },
{ "sllk", 0xdf, INSTR_RSY_RRRD },
{ "locg", 0xe2, INSTR_RSY_RDRM },
{ "stocg", 0xe3, INSTR_RSY_RDRM },
{ "lang", 0xe4, INSTR_RSY_RRRD },
{ "laog", 0xe6, INSTR_RSY_RRRD },
{ "laxg", 0xe7, INSTR_RSY_RRRD },
{ "laag", 0xe8, INSTR_RSY_RRRD },
{ "laalg", 0xea, INSTR_RSY_RRRD },
{ "loc", 0xf2, INSTR_RSY_RDRM },
{ "stoc", 0xf3, INSTR_RSY_RDRM },
{ "lan", 0xf4, INSTR_RSY_RRRD },
{ "lao", 0xf6, INSTR_RSY_RRRD },
{ "lax", 0xf7, INSTR_RSY_RRRD },
{ "laa", 0xf8, INSTR_RSY_RRRD },
{ "laal", 0xfa, INSTR_RSY_RRRD },
{ "lric", 0x60, INSTR_RSY_RDRM },
{ "stric", 0x61, INSTR_RSY_RDRM },
{ "mric", 0x62, INSTR_RSY_RDRM },
#endif
{ "rll", 0x1d, INSTR_RSY_RRRD },
{ "mvclu", 0x8e, INSTR_RSY_RRRD },
{ "tp", 0xc0, INSTR_RSL_R0RD },
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_ec[] = {
#ifdef CONFIG_64BIT
{ "brxhg", 0x44, INSTR_RIE_RRP },
{ "brxlg", 0x45, INSTR_RIE_RRP },
{ { 0, LONG_INSN_RISBLG }, 0x51, INSTR_RIE_RRUUU },
{ "rnsbg", 0x54, INSTR_RIE_RRUUU },
{ "risbg", 0x55, INSTR_RIE_RRUUU },
{ "rosbg", 0x56, INSTR_RIE_RRUUU },
{ "rxsbg", 0x57, INSTR_RIE_RRUUU },
{ { 0, LONG_INSN_RISBGN }, 0x59, INSTR_RIE_RRUUU },
{ { 0, LONG_INSN_RISBHG }, 0x5D, INSTR_RIE_RRUUU },
{ "cgrj", 0x64, INSTR_RIE_RRPU },
{ "clgrj", 0x65, INSTR_RIE_RRPU },
{ "cgit", 0x70, INSTR_RIE_R0IU },
{ "clgit", 0x71, INSTR_RIE_R0UU },
{ "cit", 0x72, INSTR_RIE_R0IU },
{ "clfit", 0x73, INSTR_RIE_R0UU },
{ "crj", 0x76, INSTR_RIE_RRPU },
{ "clrj", 0x77, INSTR_RIE_RRPU },
{ "cgij", 0x7c, INSTR_RIE_RUPI },
{ "clgij", 0x7d, INSTR_RIE_RUPU },
{ "cij", 0x7e, INSTR_RIE_RUPI },
{ "clij", 0x7f, INSTR_RIE_RUPU },
{ "ahik", 0xd8, INSTR_RIE_RRI0 },
{ "aghik", 0xd9, INSTR_RIE_RRI0 },
{ { 0, LONG_INSN_ALHSIK }, 0xda, INSTR_RIE_RRI0 },
{ { 0, LONG_INSN_ALGHSIK }, 0xdb, INSTR_RIE_RRI0 },
{ "cgrb", 0xe4, INSTR_RRS_RRRDU },
{ "clgrb", 0xe5, INSTR_RRS_RRRDU },
{ "crb", 0xf6, INSTR_RRS_RRRDU },
{ "clrb", 0xf7, INSTR_RRS_RRRDU },
{ "cgib", 0xfc, INSTR_RIS_RURDI },
{ "clgib", 0xfd, INSTR_RIS_RURDU },
{ "cib", 0xfe, INSTR_RIS_RURDI },
{ "clib", 0xff, INSTR_RIS_RURDU },
#endif
{ "", 0, INSTR_INVALID }
};
static struct s390_insn opcode_ed[] = {
#ifdef CONFIG_64BIT
{ "mayl", 0x38, INSTR_RXF_FRRDF },
{ "myl", 0x39, INSTR_RXF_FRRDF },
{ "may", 0x3a, INSTR_RXF_FRRDF },
{ "my", 0x3b, INSTR_RXF_FRRDF },
{ "mayh", 0x3c, INSTR_RXF_FRRDF },
{ "myh", 0x3d, INSTR_RXF_FRRDF },
{ "sldt", 0x40, INSTR_RXF_FRRDF },
{ "srdt", 0x41, INSTR_RXF_FRRDF },
{ "slxt", 0x48, INSTR_RXF_FRRDF },
{ "srxt", 0x49, INSTR_RXF_FRRDF },
{ "tdcet", 0x50, INSTR_RXE_FRRD },
{ "tdget", 0x51, INSTR_RXE_FRRD },
{ "tdcdt", 0x54, INSTR_RXE_FRRD },
{ "tdgdt", 0x55, INSTR_RXE_FRRD },
{ "tdcxt", 0x58, INSTR_RXE_FRRD },
{ "tdgxt", 0x59, INSTR_RXE_FRRD },
{ "ley", 0x64, INSTR_RXY_FRRD },
{ "ldy", 0x65, INSTR_RXY_FRRD },
{ "stey", 0x66, INSTR_RXY_FRRD },
{ "stdy", 0x67, INSTR_RXY_FRRD },
{ "czdt", 0xa8, INSTR_RSL_LRDFU },
{ "czxt", 0xa9, INSTR_RSL_LRDFU },
{ "cdzt", 0xaa, INSTR_RSL_LRDFU },
{ "cxzt", 0xab, INSTR_RSL_LRDFU },
#endif
{ "ldeb", 0x04, INSTR_RXE_FRRD },
{ "lxdb", 0x05, INSTR_RXE_FRRD },
{ "lxeb", 0x06, INSTR_RXE_FRRD },
{ "mxdb", 0x07, INSTR_RXE_FRRD },
{ "keb", 0x08, INSTR_RXE_FRRD },
{ "ceb", 0x09, INSTR_RXE_FRRD },
{ "aeb", 0x0a, INSTR_RXE_FRRD },
{ "seb", 0x0b, INSTR_RXE_FRRD },
{ "mdeb", 0x0c, INSTR_RXE_FRRD },
{ "deb", 0x0d, INSTR_RXE_FRRD },
{ "maeb", 0x0e, INSTR_RXF_FRRDF },
{ "mseb", 0x0f, INSTR_RXF_FRRDF },
{ "tceb", 0x10, INSTR_RXE_FRRD },
{ "tcdb", 0x11, INSTR_RXE_FRRD },
{ "tcxb", 0x12, INSTR_RXE_FRRD },
{ "sqeb", 0x14, INSTR_RXE_FRRD },
{ "sqdb", 0x15, INSTR_RXE_FRRD },
{ "meeb", 0x17, INSTR_RXE_FRRD },
{ "kdb", 0x18, INSTR_RXE_FRRD },
{ "cdb", 0x19, INSTR_RXE_FRRD },
{ "adb", 0x1a, INSTR_RXE_FRRD },
{ "sdb", 0x1b, INSTR_RXE_FRRD },
{ "mdb", 0x1c, INSTR_RXE_FRRD },
{ "ddb", 0x1d, INSTR_RXE_FRRD },
{ "madb", 0x1e, INSTR_RXF_FRRDF },
{ "msdb", 0x1f, INSTR_RXF_FRRDF },
{ "lde", 0x24, INSTR_RXE_FRRD },
{ "lxd", 0x25, INSTR_RXE_FRRD },
{ "lxe", 0x26, INSTR_RXE_FRRD },
{ "mae", 0x2e, INSTR_RXF_FRRDF },
{ "mse", 0x2f, INSTR_RXF_FRRDF },
{ "sqe", 0x34, INSTR_RXE_FRRD },
{ "sqd", 0x35, INSTR_RXE_FRRD },
{ "mee", 0x37, INSTR_RXE_FRRD },
{ "mad", 0x3e, INSTR_RXF_FRRDF },
{ "msd", 0x3f, INSTR_RXF_FRRDF },
{ "", 0, INSTR_INVALID }
};
/* Extracts an operand value from an instruction. */
static unsigned int extract_operand(unsigned char *code,
const struct s390_operand *operand)
{
unsigned int val;
int bits;
/* Extract fragments of the operand byte for byte. */
code += operand->shift / 8;
bits = (operand->shift & 7) + operand->bits;
val = 0;
do {
val <<= 8;
val |= (unsigned int) *code++;
bits -= 8;
} while (bits > 0);
val >>= -bits;
val &= ((1U << (operand->bits - 1)) << 1) - 1;
/* Check for special long displacement case. */
if (operand->bits == 20 && operand->shift == 20)
val = (val & 0xff) << 12 | (val & 0xfff00) >> 8;
/* Sign extend value if the operand is signed or pc relative. */
if ((operand->flags & (OPERAND_SIGNED | OPERAND_PCREL)) &&
(val & (1U << (operand->bits - 1))))
val |= (-1U << (operand->bits - 1)) << 1;
/* Double value if the operand is pc relative. */
if (operand->flags & OPERAND_PCREL)
val <<= 1;
/* Length x in an instructions has real length x + 1. */
if (operand->flags & OPERAND_LENGTH)
val++;
return val;
}
struct s390_insn *find_insn(unsigned char *code)
{
unsigned char opfrag = code[1];
unsigned char opmask;
struct s390_insn *table;
switch (code[0]) {
case 0x01:
table = opcode_01;
break;
case 0xa5:
table = opcode_a5;
break;
case 0xa7:
table = opcode_a7;
break;
case 0xaa:
table = opcode_aa;
break;
case 0xb2:
table = opcode_b2;
break;
case 0xb3:
table = opcode_b3;
break;
case 0xb9:
table = opcode_b9;
break;
case 0xc0:
table = opcode_c0;
break;
case 0xc2:
table = opcode_c2;
break;
case 0xc4:
table = opcode_c4;
break;
case 0xc6:
table = opcode_c6;
break;
case 0xc8:
table = opcode_c8;
break;
case 0xcc:
table = opcode_cc;
break;
case 0xe3:
table = opcode_e3;
opfrag = code[5];
break;
case 0xe5:
table = opcode_e5;
break;
case 0xeb:
table = opcode_eb;
opfrag = code[5];
break;
case 0xec:
table = opcode_ec;
opfrag = code[5];
break;
case 0xed:
table = opcode_ed;
opfrag = code[5];
break;
default:
table = opcode;
opfrag = code[0];
break;
}
while (table->format != INSTR_INVALID) {
opmask = formats[table->format][0];
if (table->opfrag == (opfrag & opmask))
return table;
table++;
}
return NULL;
}
/**
* insn_to_mnemonic - decode an s390 instruction
* @instruction: instruction to decode
* @buf: buffer to fill with mnemonic
* @len: length of buffer
*
* Decode the instruction at @instruction and store the corresponding
* mnemonic into @buf of length @len.
* @buf is left unchanged if the instruction could not be decoded.
* Returns:
* %0 on success, %-ENOENT if the instruction was not found.
*/
int insn_to_mnemonic(unsigned char *instruction, char *buf, unsigned int len)
{
struct s390_insn *insn;
insn = find_insn(instruction);
if (!insn)
return -ENOENT;
if (insn->name[0] == '\0')
snprintf(buf, len, "%s",
long_insn_name[(int) insn->name[1]]);
else
snprintf(buf, len, "%.5s", insn->name);
return 0;
}
EXPORT_SYMBOL_GPL(insn_to_mnemonic);
static int print_insn(char *buffer, unsigned char *code, unsigned long addr)
{
struct s390_insn *insn;
const unsigned char *ops;
const struct s390_operand *operand;
unsigned int value;
char separator;
char *ptr;
int i;
ptr = buffer;
insn = find_insn(code);
if (insn) {
if (insn->name[0] == '\0')
ptr += sprintf(ptr, "%s\t",
long_insn_name[(int) insn->name[1]]);
else
ptr += sprintf(ptr, "%.5s\t", insn->name);
/* Extract the operands. */
separator = 0;
for (ops = formats[insn->format] + 1, i = 0;
*ops != 0 && i < 6; ops++, i++) {
operand = operands + *ops;
value = extract_operand(code, operand);
if ((operand->flags & OPERAND_INDEX) && value == 0)
continue;
if ((operand->flags & OPERAND_BASE) &&
value == 0 && separator == '(') {
separator = ',';
continue;
}
if (separator)
ptr += sprintf(ptr, "%c", separator);
if (operand->flags & OPERAND_GPR)
ptr += sprintf(ptr, "%%r%i", value);
else if (operand->flags & OPERAND_FPR)
ptr += sprintf(ptr, "%%f%i", value);
else if (operand->flags & OPERAND_AR)
ptr += sprintf(ptr, "%%a%i", value);
else if (operand->flags & OPERAND_CR)
ptr += sprintf(ptr, "%%c%i", value);
else if (operand->flags & OPERAND_PCREL)
ptr += sprintf(ptr, "%lx", (signed int) value
+ addr);
else if (operand->flags & OPERAND_SIGNED)
ptr += sprintf(ptr, "%i", value);
else
ptr += sprintf(ptr, "%u", value);
if (operand->flags & OPERAND_DISP)
separator = '(';
else if (operand->flags & OPERAND_BASE) {
ptr += sprintf(ptr, ")");
separator = ',';
} else
separator = ',';
}
} else
ptr += sprintf(ptr, "unknown");
return (int) (ptr - buffer);
}
void show_code(struct pt_regs *regs)
{
char *mode = user_mode(regs) ? "User" : "Krnl";
unsigned char code[64];
char buffer[64], *ptr;
mm_segment_t old_fs;
unsigned long addr;
int start, end, opsize, hops, i;
/* Get a snapshot of the 64 bytes surrounding the fault address. */
old_fs = get_fs();
set_fs(user_mode(regs) ? USER_DS : KERNEL_DS);
for (start = 32; start && regs->psw.addr >= 34 - start; start -= 2) {
addr = regs->psw.addr - 34 + start;
if (__copy_from_user(code + start - 2,
(char __user *) addr, 2))
break;
}
for (end = 32; end < 64; end += 2) {
addr = regs->psw.addr + end - 32;
if (__copy_from_user(code + end,
(char __user *) addr, 2))
break;
}
set_fs(old_fs);
/* Code snapshot useable ? */
if ((regs->psw.addr & 1) || start >= end) {
printk("%s Code: Bad PSW.\n", mode);
return;
}
/* Find a starting point for the disassembly. */
while (start < 32) {
for (i = 0, hops = 0; start + i < 32 && hops < 3; hops++) {
if (!find_insn(code + start + i))
break;
i += insn_length(code[start + i]);
}
if (start + i == 32)
/* Looks good, sequence ends at PSW. */
break;
start += 2;
}
/* Decode the instructions. */
ptr = buffer;
ptr += sprintf(ptr, "%s Code:", mode);
hops = 0;
while (start < end && hops < 8) {
opsize = insn_length(code[start]);
if (start + opsize == 32)
*ptr++ = '#';
else if (start == 32)
*ptr++ = '>';
else
*ptr++ = ' ';
addr = regs->psw.addr + start - 32;
ptr += sprintf(ptr, ONELONG, addr);
if (start + opsize >= end)
break;
for (i = 0; i < opsize; i++)
ptr += sprintf(ptr, "%02x", code[start + i]);
*ptr++ = '\t';
if (i < 6)
*ptr++ = '\t';
ptr += print_insn(ptr, code + start, addr);
start += opsize;
printk(buffer);
ptr = buffer;
ptr += sprintf(ptr, "\n ");
hops++;
}
printk("\n");
}
void print_fn_code(unsigned char *code, unsigned long len)
{
char buffer[64], *ptr;
int opsize, i;
while (len) {
ptr = buffer;
opsize = insn_length(*code);
if (opsize > len)
break;
ptr += sprintf(ptr, "%p: ", code);
for (i = 0; i < opsize; i++)
ptr += sprintf(ptr, "%02x", code[i]);
*ptr++ = '\t';
if (i < 4)
*ptr++ = '\t';
ptr += print_insn(ptr, code, (unsigned long) code);
*ptr++ = '\n';
*ptr++ = 0;
printk(buffer);
code += opsize;
len -= opsize;
}
}
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