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/*
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 * S/390 virtual CPU header
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 *
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 *  Copyright (c) 2009 Ulrich Hecht
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 *
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 * This library is free software; you can redistribute it and/or
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 * modify it under the terms of the GNU Lesser General Public
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 * License as published by the Free Software Foundation; either
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 * version 2 of the License, or (at your option) any later version.
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 *
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 * This library is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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 * Lesser General Public License for more details.
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 *
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 * You should have received a copy of the GNU Lesser General Public
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 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
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 */
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#ifndef CPU_S390X_H
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#define CPU_S390X_H
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#include "config.h"
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#include "qemu-common.h"
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#define TARGET_LONG_BITS 64
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#define ELF_MACHINE        EM_S390
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#define CPUArchState struct CPUS390XState
30

    
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#include "cpu-defs.h"
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#define TARGET_PAGE_BITS 12
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#define TARGET_PHYS_ADDR_SPACE_BITS 64
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#define TARGET_VIRT_ADDR_SPACE_BITS 64
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#include "cpu-all.h"
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#include "softfloat.h"
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#define NB_MMU_MODES 3
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#define MMU_MODE0_SUFFIX _primary
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#define MMU_MODE1_SUFFIX _secondary
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#define MMU_MODE2_SUFFIX _home
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#define MMU_USER_IDX 1
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#define MAX_EXT_QUEUE 16
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typedef struct PSW {
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    uint64_t mask;
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    uint64_t addr;
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} PSW;
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typedef struct ExtQueue {
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    uint32_t code;
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    uint32_t param;
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    uint32_t param64;
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} ExtQueue;
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typedef struct CPUS390XState {
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    uint64_t regs[16];        /* GP registers */
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    uint32_t aregs[16];        /* access registers */
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    uint32_t fpc;        /* floating-point control register */
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    CPU_DoubleU fregs[16]; /* FP registers */
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    float_status fpu_status; /* passed to softfloat lib */
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    PSW psw;
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    uint32_t cc_op;
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    uint64_t cc_src;
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    uint64_t cc_dst;
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    uint64_t cc_vr;
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    uint64_t __excp_addr;
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    uint64_t psa;
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    uint32_t int_pgm_code;
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    uint32_t int_pgm_ilc;
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    uint32_t int_svc_code;
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    uint32_t int_svc_ilc;
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    uint64_t cregs[16]; /* control registers */
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    int pending_int;
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    ExtQueue ext_queue[MAX_EXT_QUEUE];
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    int ext_index;
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    CPU_COMMON
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    /* reset does memset(0) up to here */
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    int cpu_num;
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    uint8_t *storage_keys;
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    uint64_t tod_offset;
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    uint64_t tod_basetime;
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    QEMUTimer *tod_timer;
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    QEMUTimer *cpu_timer;
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} CPUS390XState;
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#include "cpu-qom.h"
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#if defined(CONFIG_USER_ONLY)
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static inline void cpu_clone_regs(CPUS390XState *env, target_ulong newsp)
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{
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    if (newsp) {
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        env->regs[15] = newsp;
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    }
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    env->regs[0] = 0;
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}
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#endif
119

    
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/* Interrupt Codes */
121
/* Program Interrupts */
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#define PGM_OPERATION                   0x0001
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#define PGM_PRIVILEGED                  0x0002
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#define PGM_EXECUTE                     0x0003
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#define PGM_PROTECTION                  0x0004
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#define PGM_ADDRESSING                  0x0005
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#define PGM_SPECIFICATION               0x0006
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#define PGM_DATA                        0x0007
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#define PGM_FIXPT_OVERFLOW              0x0008
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#define PGM_FIXPT_DIVIDE                0x0009
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#define PGM_DEC_OVERFLOW                0x000a
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#define PGM_DEC_DIVIDE                  0x000b
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#define PGM_HFP_EXP_OVERFLOW            0x000c
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#define PGM_HFP_EXP_UNDERFLOW           0x000d
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#define PGM_HFP_SIGNIFICANCE            0x000e
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#define PGM_HFP_DIVIDE                  0x000f
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#define PGM_SEGMENT_TRANS               0x0010
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#define PGM_PAGE_TRANS                  0x0011
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#define PGM_TRANS_SPEC                  0x0012
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#define PGM_SPECIAL_OP                  0x0013
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#define PGM_OPERAND                     0x0015
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#define PGM_TRACE_TABLE                 0x0016
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#define PGM_SPACE_SWITCH                0x001c
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#define PGM_HFP_SQRT                    0x001d
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#define PGM_PC_TRANS_SPEC               0x001f
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#define PGM_AFX_TRANS                   0x0020
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#define PGM_ASX_TRANS                   0x0021
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#define PGM_LX_TRANS                    0x0022
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#define PGM_EX_TRANS                    0x0023
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#define PGM_PRIM_AUTH                   0x0024
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#define PGM_SEC_AUTH                    0x0025
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#define PGM_ALET_SPEC                   0x0028
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#define PGM_ALEN_SPEC                   0x0029
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#define PGM_ALE_SEQ                     0x002a
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#define PGM_ASTE_VALID                  0x002b
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#define PGM_ASTE_SEQ                    0x002c
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#define PGM_EXT_AUTH                    0x002d
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#define PGM_STACK_FULL                  0x0030
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#define PGM_STACK_EMPTY                 0x0031
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#define PGM_STACK_SPEC                  0x0032
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#define PGM_STACK_TYPE                  0x0033
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#define PGM_STACK_OP                    0x0034
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#define PGM_ASCE_TYPE                   0x0038
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#define PGM_REG_FIRST_TRANS             0x0039
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#define PGM_REG_SEC_TRANS               0x003a
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#define PGM_REG_THIRD_TRANS             0x003b
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#define PGM_MONITOR                     0x0040
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#define PGM_PER                         0x0080
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#define PGM_CRYPTO                      0x0119
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/* External Interrupts */
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#define EXT_INTERRUPT_KEY               0x0040
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#define EXT_CLOCK_COMP                  0x1004
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#define EXT_CPU_TIMER                   0x1005
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#define EXT_MALFUNCTION                 0x1200
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#define EXT_EMERGENCY                   0x1201
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#define EXT_EXTERNAL_CALL               0x1202
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#define EXT_ETR                         0x1406
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#define EXT_SERVICE                     0x2401
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#define EXT_VIRTIO                      0x2603
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/* PSW defines */
183
#undef PSW_MASK_PER
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#undef PSW_MASK_DAT
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#undef PSW_MASK_IO
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#undef PSW_MASK_EXT
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#undef PSW_MASK_KEY
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#undef PSW_SHIFT_KEY
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#undef PSW_MASK_MCHECK
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#undef PSW_MASK_WAIT
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#undef PSW_MASK_PSTATE
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#undef PSW_MASK_ASC
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#undef PSW_MASK_CC
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#undef PSW_MASK_PM
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#undef PSW_MASK_64
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197
#define PSW_MASK_PER            0x4000000000000000ULL
198
#define PSW_MASK_DAT            0x0400000000000000ULL
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#define PSW_MASK_IO             0x0200000000000000ULL
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#define PSW_MASK_EXT            0x0100000000000000ULL
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#define PSW_MASK_KEY            0x00F0000000000000ULL
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#define PSW_SHIFT_KEY           56
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#define PSW_MASK_MCHECK         0x0004000000000000ULL
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#define PSW_MASK_WAIT           0x0002000000000000ULL
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#define PSW_MASK_PSTATE         0x0001000000000000ULL
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#define PSW_MASK_ASC            0x0000C00000000000ULL
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#define PSW_MASK_CC             0x0000300000000000ULL
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#define PSW_MASK_PM             0x00000F0000000000ULL
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#define PSW_MASK_64             0x0000000100000000ULL
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#define PSW_MASK_32             0x0000000080000000ULL
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#undef PSW_ASC_PRIMARY
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#undef PSW_ASC_ACCREG
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#undef PSW_ASC_SECONDARY
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#undef PSW_ASC_HOME
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#define PSW_ASC_PRIMARY         0x0000000000000000ULL
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#define PSW_ASC_ACCREG          0x0000400000000000ULL
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#define PSW_ASC_SECONDARY       0x0000800000000000ULL
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#define PSW_ASC_HOME            0x0000C00000000000ULL
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/* tb flags */
223

    
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#define FLAG_MASK_PER           (PSW_MASK_PER    >> 32)
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#define FLAG_MASK_DAT           (PSW_MASK_DAT    >> 32)
226
#define FLAG_MASK_IO            (PSW_MASK_IO     >> 32)
227
#define FLAG_MASK_EXT           (PSW_MASK_EXT    >> 32)
228
#define FLAG_MASK_KEY           (PSW_MASK_KEY    >> 32)
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#define FLAG_MASK_MCHECK        (PSW_MASK_MCHECK >> 32)
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#define FLAG_MASK_WAIT          (PSW_MASK_WAIT   >> 32)
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#define FLAG_MASK_PSTATE        (PSW_MASK_PSTATE >> 32)
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#define FLAG_MASK_ASC           (PSW_MASK_ASC    >> 32)
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#define FLAG_MASK_CC            (PSW_MASK_CC     >> 32)
234
#define FLAG_MASK_PM            (PSW_MASK_PM     >> 32)
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#define FLAG_MASK_64            (PSW_MASK_64     >> 32)
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#define FLAG_MASK_32            0x00001000
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238
static inline int cpu_mmu_index (CPUS390XState *env)
239
{
240
    if (env->psw.mask & PSW_MASK_PSTATE) {
241
        return 1;
242
    }
243

    
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    return 0;
245
}
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static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc,
248
                                        target_ulong *cs_base, int *flags)
249
{
250
    *pc = env->psw.addr;
251
    *cs_base = 0;
252
    *flags = ((env->psw.mask >> 32) & ~FLAG_MASK_CC) |
253
             ((env->psw.mask & PSW_MASK_32) ? FLAG_MASK_32 : 0);
254
}
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256
static inline int get_ilc(uint8_t opc)
257
{
258
    switch (opc >> 6) {
259
    case 0:
260
        return 1;
261
    case 1:
262
    case 2:
263
        return 2;
264
    case 3:
265
        return 3;
266
    }
267

    
268
    return 0;
269
}
270

    
271
#define ILC_LATER       0x20
272
#define ILC_LATER_INC   0x21
273
#define ILC_LATER_INC_2 0x22
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275

    
276
S390CPU *cpu_s390x_init(const char *cpu_model);
277
void s390x_translate_init(void);
278
int cpu_s390x_exec(CPUS390XState *s);
279
void cpu_s390x_close(CPUS390XState *s);
280
void do_interrupt (CPUS390XState *env);
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282
/* you can call this signal handler from your SIGBUS and SIGSEGV
283
   signal handlers to inform the virtual CPU of exceptions. non zero
284
   is returned if the signal was handled by the virtual CPU.  */
285
int cpu_s390x_signal_handler(int host_signum, void *pinfo,
286
                           void *puc);
287
int cpu_s390x_handle_mmu_fault (CPUS390XState *env, target_ulong address, int rw,
288
                                int mmu_idx);
289
#define cpu_handle_mmu_fault cpu_s390x_handle_mmu_fault
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292
#ifndef CONFIG_USER_ONLY
293
void s390x_tod_timer(void *opaque);
294
void s390x_cpu_timer(void *opaque);
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296
int s390_virtio_hypercall(CPUS390XState *env, uint64_t mem, uint64_t hypercall);
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298
#ifdef CONFIG_KVM
299
void kvm_s390_interrupt(CPUS390XState *env, int type, uint32_t code);
300
void kvm_s390_virtio_irq(CPUS390XState *env, int config_change, uint64_t token);
301
void kvm_s390_interrupt_internal(CPUS390XState *env, int type, uint32_t parm,
302
                                 uint64_t parm64, int vm);
303
#else
304
static inline void kvm_s390_interrupt(CPUS390XState *env, int type, uint32_t code)
305
{
306
}
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308
static inline void kvm_s390_virtio_irq(CPUS390XState *env, int config_change,
309
                                       uint64_t token)
310
{
311
}
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313
static inline void kvm_s390_interrupt_internal(CPUS390XState *env, int type,
314
                                               uint32_t parm, uint64_t parm64,
315
                                               int vm)
316
{
317
}
318
#endif
319
S390CPU *s390_cpu_addr2state(uint16_t cpu_addr);
320
void s390_add_running_cpu(CPUS390XState *env);
321
unsigned s390_del_running_cpu(CPUS390XState *env);
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323
/* service interrupts are floating therefore we must not pass an cpustate */
324
void s390_sclp_extint(uint32_t parm);
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/* from s390-virtio-bus */
327
extern const target_phys_addr_t virtio_size;
328

    
329
#else
330
static inline void s390_add_running_cpu(CPUS390XState *env)
331
{
332
}
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334
static inline unsigned s390_del_running_cpu(CPUS390XState *env)
335
{
336
    return 0;
337
}
338
#endif
339
void cpu_lock(void);
340
void cpu_unlock(void);
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342
static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
343
{
344
    env->aregs[0] = newtls >> 32;
345
    env->aregs[1] = newtls & 0xffffffffULL;
346
}
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348
#define cpu_init(model) (&cpu_s390x_init(model)->env)
349
#define cpu_exec cpu_s390x_exec
350
#define cpu_gen_code cpu_s390x_gen_code
351
#define cpu_signal_handler cpu_s390x_signal_handler
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353
#include "exec-all.h"
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355
#ifdef CONFIG_USER_ONLY
356

    
357
#define EXCP_OPEX 1 /* operation exception (sigill) */
358
#define EXCP_SVC 2 /* supervisor call (syscall) */
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#define EXCP_ADDR 5 /* addressing exception */
360
#define EXCP_SPEC 6 /* specification exception */
361

    
362
#else
363

    
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#define EXCP_EXT 1 /* external interrupt */
365
#define EXCP_SVC 2 /* supervisor call (syscall) */
366
#define EXCP_PGM 3 /* program interruption */
367

    
368
#endif /* CONFIG_USER_ONLY */
369

    
370
#define INTERRUPT_EXT        (1 << 0)
371
#define INTERRUPT_TOD        (1 << 1)
372
#define INTERRUPT_CPUTIMER   (1 << 2)
373

    
374
/* Program Status Word.  */
375
#define S390_PSWM_REGNUM 0
376
#define S390_PSWA_REGNUM 1
377
/* General Purpose Registers.  */
378
#define S390_R0_REGNUM 2
379
#define S390_R1_REGNUM 3
380
#define S390_R2_REGNUM 4
381
#define S390_R3_REGNUM 5
382
#define S390_R4_REGNUM 6
383
#define S390_R5_REGNUM 7
384
#define S390_R6_REGNUM 8
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#define S390_R7_REGNUM 9
386
#define S390_R8_REGNUM 10
387
#define S390_R9_REGNUM 11
388
#define S390_R10_REGNUM 12
389
#define S390_R11_REGNUM 13
390
#define S390_R12_REGNUM 14
391
#define S390_R13_REGNUM 15
392
#define S390_R14_REGNUM 16
393
#define S390_R15_REGNUM 17
394
/* Access Registers.  */
395
#define S390_A0_REGNUM 18
396
#define S390_A1_REGNUM 19
397
#define S390_A2_REGNUM 20
398
#define S390_A3_REGNUM 21
399
#define S390_A4_REGNUM 22
400
#define S390_A5_REGNUM 23
401
#define S390_A6_REGNUM 24
402
#define S390_A7_REGNUM 25
403
#define S390_A8_REGNUM 26
404
#define S390_A9_REGNUM 27
405
#define S390_A10_REGNUM 28
406
#define S390_A11_REGNUM 29
407
#define S390_A12_REGNUM 30
408
#define S390_A13_REGNUM 31
409
#define S390_A14_REGNUM 32
410
#define S390_A15_REGNUM 33
411
/* Floating Point Control Word.  */
412
#define S390_FPC_REGNUM 34
413
/* Floating Point Registers.  */
414
#define S390_F0_REGNUM 35
415
#define S390_F1_REGNUM 36
416
#define S390_F2_REGNUM 37
417
#define S390_F3_REGNUM 38
418
#define S390_F4_REGNUM 39
419
#define S390_F5_REGNUM 40
420
#define S390_F6_REGNUM 41
421
#define S390_F7_REGNUM 42
422
#define S390_F8_REGNUM 43
423
#define S390_F9_REGNUM 44
424
#define S390_F10_REGNUM 45
425
#define S390_F11_REGNUM 46
426
#define S390_F12_REGNUM 47
427
#define S390_F13_REGNUM 48
428
#define S390_F14_REGNUM 49
429
#define S390_F15_REGNUM 50
430
/* Total.  */
431
#define S390_NUM_REGS 51
432

    
433
/* Pseudo registers -- PC and condition code.  */
434
#define S390_PC_REGNUM S390_NUM_REGS
435
#define S390_CC_REGNUM (S390_NUM_REGS+1)
436
#define S390_NUM_PSEUDO_REGS 2
437
#define S390_NUM_TOTAL_REGS (S390_NUM_REGS+2)
438

    
439

    
440

    
441
/* Program Status Word.  */
442
#define S390_PSWM_REGNUM 0
443
#define S390_PSWA_REGNUM 1
444
/* General Purpose Registers.  */
445
#define S390_R0_REGNUM 2
446
#define S390_R1_REGNUM 3
447
#define S390_R2_REGNUM 4
448
#define S390_R3_REGNUM 5
449
#define S390_R4_REGNUM 6
450
#define S390_R5_REGNUM 7
451
#define S390_R6_REGNUM 8
452
#define S390_R7_REGNUM 9
453
#define S390_R8_REGNUM 10
454
#define S390_R9_REGNUM 11
455
#define S390_R10_REGNUM 12
456
#define S390_R11_REGNUM 13
457
#define S390_R12_REGNUM 14
458
#define S390_R13_REGNUM 15
459
#define S390_R14_REGNUM 16
460
#define S390_R15_REGNUM 17
461
/* Access Registers.  */
462
#define S390_A0_REGNUM 18
463
#define S390_A1_REGNUM 19
464
#define S390_A2_REGNUM 20
465
#define S390_A3_REGNUM 21
466
#define S390_A4_REGNUM 22
467
#define S390_A5_REGNUM 23
468
#define S390_A6_REGNUM 24
469
#define S390_A7_REGNUM 25
470
#define S390_A8_REGNUM 26
471
#define S390_A9_REGNUM 27
472
#define S390_A10_REGNUM 28
473
#define S390_A11_REGNUM 29
474
#define S390_A12_REGNUM 30
475
#define S390_A13_REGNUM 31
476
#define S390_A14_REGNUM 32
477
#define S390_A15_REGNUM 33
478
/* Floating Point Control Word.  */
479
#define S390_FPC_REGNUM 34
480
/* Floating Point Registers.  */
481
#define S390_F0_REGNUM 35
482
#define S390_F1_REGNUM 36
483
#define S390_F2_REGNUM 37
484
#define S390_F3_REGNUM 38
485
#define S390_F4_REGNUM 39
486
#define S390_F5_REGNUM 40
487
#define S390_F6_REGNUM 41
488
#define S390_F7_REGNUM 42
489
#define S390_F8_REGNUM 43
490
#define S390_F9_REGNUM 44
491
#define S390_F10_REGNUM 45
492
#define S390_F11_REGNUM 46
493
#define S390_F12_REGNUM 47
494
#define S390_F13_REGNUM 48
495
#define S390_F14_REGNUM 49
496
#define S390_F15_REGNUM 50
497
/* Total.  */
498
#define S390_NUM_REGS 51
499

    
500
/* Pseudo registers -- PC and condition code.  */
501
#define S390_PC_REGNUM S390_NUM_REGS
502
#define S390_CC_REGNUM (S390_NUM_REGS+1)
503
#define S390_NUM_PSEUDO_REGS 2
504
#define S390_NUM_TOTAL_REGS (S390_NUM_REGS+2)
505

    
506
/* CC optimization */
507

    
508
enum cc_op {
509
    CC_OP_CONST0 = 0,           /* CC is 0 */
510
    CC_OP_CONST1,               /* CC is 1 */
511
    CC_OP_CONST2,               /* CC is 2 */
512
    CC_OP_CONST3,               /* CC is 3 */
513

    
514
    CC_OP_DYNAMIC,              /* CC calculation defined by env->cc_op */
515
    CC_OP_STATIC,               /* CC value is env->cc_op */
516

    
517
    CC_OP_NZ,                   /* env->cc_dst != 0 */
518
    CC_OP_LTGT_32,              /* signed less/greater than (32bit) */
519
    CC_OP_LTGT_64,              /* signed less/greater than (64bit) */
520
    CC_OP_LTUGTU_32,            /* unsigned less/greater than (32bit) */
521
    CC_OP_LTUGTU_64,            /* unsigned less/greater than (64bit) */
522
    CC_OP_LTGT0_32,             /* signed less/greater than 0 (32bit) */
523
    CC_OP_LTGT0_64,             /* signed less/greater than 0 (64bit) */
524

    
525
    CC_OP_ADD_64,               /* overflow on add (64bit) */
526
    CC_OP_ADDU_64,              /* overflow on unsigned add (64bit) */
527
    CC_OP_SUB_64,               /* overflow on subtraction (64bit) */
528
    CC_OP_SUBU_64,              /* overflow on unsigned subtraction (64bit) */
529
    CC_OP_ABS_64,               /* sign eval on abs (64bit) */
530
    CC_OP_NABS_64,              /* sign eval on nabs (64bit) */
531

    
532
    CC_OP_ADD_32,               /* overflow on add (32bit) */
533
    CC_OP_ADDU_32,              /* overflow on unsigned add (32bit) */
534
    CC_OP_SUB_32,               /* overflow on subtraction (32bit) */
535
    CC_OP_SUBU_32,              /* overflow on unsigned subtraction (32bit) */
536
    CC_OP_ABS_32,               /* sign eval on abs (64bit) */
537
    CC_OP_NABS_32,              /* sign eval on nabs (64bit) */
538

    
539
    CC_OP_COMP_32,              /* complement */
540
    CC_OP_COMP_64,              /* complement */
541

    
542
    CC_OP_TM_32,                /* test under mask (32bit) */
543
    CC_OP_TM_64,                /* test under mask (64bit) */
544

    
545
    CC_OP_LTGT_F32,             /* FP compare (32bit) */
546
    CC_OP_LTGT_F64,             /* FP compare (64bit) */
547

    
548
    CC_OP_NZ_F32,               /* FP dst != 0 (32bit) */
549
    CC_OP_NZ_F64,               /* FP dst != 0 (64bit) */
550

    
551
    CC_OP_ICM,                  /* insert characters under mask */
552
    CC_OP_SLAG,                 /* Calculate shift left signed */
553
    CC_OP_MAX
554
};
555

    
556
static const char *cc_names[] = {
557
    [CC_OP_CONST0]    = "CC_OP_CONST0",
558
    [CC_OP_CONST1]    = "CC_OP_CONST1",
559
    [CC_OP_CONST2]    = "CC_OP_CONST2",
560
    [CC_OP_CONST3]    = "CC_OP_CONST3",
561
    [CC_OP_DYNAMIC]   = "CC_OP_DYNAMIC",
562
    [CC_OP_STATIC]    = "CC_OP_STATIC",
563
    [CC_OP_NZ]        = "CC_OP_NZ",
564
    [CC_OP_LTGT_32]   = "CC_OP_LTGT_32",
565
    [CC_OP_LTGT_64]   = "CC_OP_LTGT_64",
566
    [CC_OP_LTUGTU_32] = "CC_OP_LTUGTU_32",
567
    [CC_OP_LTUGTU_64] = "CC_OP_LTUGTU_64",
568
    [CC_OP_LTGT0_32]  = "CC_OP_LTGT0_32",
569
    [CC_OP_LTGT0_64]  = "CC_OP_LTGT0_64",
570
    [CC_OP_ADD_64]    = "CC_OP_ADD_64",
571
    [CC_OP_ADDU_64]   = "CC_OP_ADDU_64",
572
    [CC_OP_SUB_64]    = "CC_OP_SUB_64",
573
    [CC_OP_SUBU_64]   = "CC_OP_SUBU_64",
574
    [CC_OP_ABS_64]    = "CC_OP_ABS_64",
575
    [CC_OP_NABS_64]   = "CC_OP_NABS_64",
576
    [CC_OP_ADD_32]    = "CC_OP_ADD_32",
577
    [CC_OP_ADDU_32]   = "CC_OP_ADDU_32",
578
    [CC_OP_SUB_32]    = "CC_OP_SUB_32",
579
    [CC_OP_SUBU_32]   = "CC_OP_SUBU_32",
580
    [CC_OP_ABS_32]    = "CC_OP_ABS_32",
581
    [CC_OP_NABS_32]   = "CC_OP_NABS_32",
582
    [CC_OP_COMP_32]   = "CC_OP_COMP_32",
583
    [CC_OP_COMP_64]   = "CC_OP_COMP_64",
584
    [CC_OP_TM_32]     = "CC_OP_TM_32",
585
    [CC_OP_TM_64]     = "CC_OP_TM_64",
586
    [CC_OP_LTGT_F32]  = "CC_OP_LTGT_F32",
587
    [CC_OP_LTGT_F64]  = "CC_OP_LTGT_F64",
588
    [CC_OP_NZ_F32]    = "CC_OP_NZ_F32",
589
    [CC_OP_NZ_F64]    = "CC_OP_NZ_F64",
590
    [CC_OP_ICM]       = "CC_OP_ICM",
591
    [CC_OP_SLAG]      = "CC_OP_SLAG",
592
};
593

    
594
static inline const char *cc_name(int cc_op)
595
{
596
    return cc_names[cc_op];
597
}
598

    
599
/* SCLP PV interface defines */
600
#define SCLP_CMDW_READ_SCP_INFO         0x00020001
601
#define SCLP_CMDW_READ_SCP_INFO_FORCED  0x00120001
602

    
603
#define SCP_LENGTH                      0x00
604
#define SCP_FUNCTION_CODE               0x02
605
#define SCP_CONTROL_MASK                0x03
606
#define SCP_RESPONSE_CODE               0x06
607
#define SCP_MEM_CODE                    0x08
608
#define SCP_INCREMENT                   0x0a
609

    
610
typedef struct LowCore
611
{
612
    /* prefix area: defined by architecture */
613
    uint32_t        ccw1[2];                  /* 0x000 */
614
    uint32_t        ccw2[4];                  /* 0x008 */
615
    uint8_t         pad1[0x80-0x18];          /* 0x018 */
616
    uint32_t        ext_params;               /* 0x080 */
617
    uint16_t        cpu_addr;                 /* 0x084 */
618
    uint16_t        ext_int_code;             /* 0x086 */
619
    uint16_t        svc_ilc;                  /* 0x088 */
620
    uint16_t        svc_code;                 /* 0x08a */
621
    uint16_t        pgm_ilc;                  /* 0x08c */
622
    uint16_t        pgm_code;                 /* 0x08e */
623
    uint32_t        data_exc_code;            /* 0x090 */
624
    uint16_t        mon_class_num;            /* 0x094 */
625
    uint16_t        per_perc_atmid;           /* 0x096 */
626
    uint64_t        per_address;              /* 0x098 */
627
    uint8_t         exc_access_id;            /* 0x0a0 */
628
    uint8_t         per_access_id;            /* 0x0a1 */
629
    uint8_t         op_access_id;             /* 0x0a2 */
630
    uint8_t         ar_access_id;             /* 0x0a3 */
631
    uint8_t         pad2[0xA8-0xA4];          /* 0x0a4 */
632
    uint64_t        trans_exc_code;           /* 0x0a8 */
633
    uint64_t        monitor_code;             /* 0x0b0 */
634
    uint16_t        subchannel_id;            /* 0x0b8 */
635
    uint16_t        subchannel_nr;            /* 0x0ba */
636
    uint32_t        io_int_parm;              /* 0x0bc */
637
    uint32_t        io_int_word;              /* 0x0c0 */
638
    uint8_t         pad3[0xc8-0xc4];          /* 0x0c4 */
639
    uint32_t        stfl_fac_list;            /* 0x0c8 */
640
    uint8_t         pad4[0xe8-0xcc];          /* 0x0cc */
641
    uint32_t        mcck_interruption_code[2]; /* 0x0e8 */
642
    uint8_t         pad5[0xf4-0xf0];          /* 0x0f0 */
643
    uint32_t        external_damage_code;     /* 0x0f4 */
644
    uint64_t        failing_storage_address;  /* 0x0f8 */
645
    uint8_t         pad6[0x120-0x100];        /* 0x100 */
646
    PSW             restart_old_psw;          /* 0x120 */
647
    PSW             external_old_psw;         /* 0x130 */
648
    PSW             svc_old_psw;              /* 0x140 */
649
    PSW             program_old_psw;          /* 0x150 */
650
    PSW             mcck_old_psw;             /* 0x160 */
651
    PSW             io_old_psw;               /* 0x170 */
652
    uint8_t         pad7[0x1a0-0x180];        /* 0x180 */
653
    PSW             restart_psw;              /* 0x1a0 */
654
    PSW             external_new_psw;         /* 0x1b0 */
655
    PSW             svc_new_psw;              /* 0x1c0 */
656
    PSW             program_new_psw;          /* 0x1d0 */
657
    PSW             mcck_new_psw;             /* 0x1e0 */
658
    PSW             io_new_psw;               /* 0x1f0 */
659
    PSW             return_psw;               /* 0x200 */
660
    uint8_t         irb[64];                  /* 0x210 */
661
    uint64_t        sync_enter_timer;         /* 0x250 */
662
    uint64_t        async_enter_timer;        /* 0x258 */
663
    uint64_t        exit_timer;               /* 0x260 */
664
    uint64_t        last_update_timer;        /* 0x268 */
665
    uint64_t        user_timer;               /* 0x270 */
666
    uint64_t        system_timer;             /* 0x278 */
667
    uint64_t        last_update_clock;        /* 0x280 */
668
    uint64_t        steal_clock;              /* 0x288 */
669
    PSW             return_mcck_psw;          /* 0x290 */
670
    uint8_t         pad8[0xc00-0x2a0];        /* 0x2a0 */
671
    /* System info area */
672
    uint64_t        save_area[16];            /* 0xc00 */
673
    uint8_t         pad9[0xd40-0xc80];        /* 0xc80 */
674
    uint64_t        kernel_stack;             /* 0xd40 */
675
    uint64_t        thread_info;              /* 0xd48 */
676
    uint64_t        async_stack;              /* 0xd50 */
677
    uint64_t        kernel_asce;              /* 0xd58 */
678
    uint64_t        user_asce;                /* 0xd60 */
679
    uint64_t        panic_stack;              /* 0xd68 */
680
    uint64_t        user_exec_asce;           /* 0xd70 */
681
    uint8_t         pad10[0xdc0-0xd78];       /* 0xd78 */
682

    
683
    /* SMP info area: defined by DJB */
684
    uint64_t        clock_comparator;         /* 0xdc0 */
685
    uint64_t        ext_call_fast;            /* 0xdc8 */
686
    uint64_t        percpu_offset;            /* 0xdd0 */
687
    uint64_t        current_task;             /* 0xdd8 */
688
    uint32_t        softirq_pending;          /* 0xde0 */
689
    uint32_t        pad_0x0de4;               /* 0xde4 */
690
    uint64_t        int_clock;                /* 0xde8 */
691
    uint8_t         pad12[0xe00-0xdf0];       /* 0xdf0 */
692

    
693
    /* 0xe00 is used as indicator for dump tools */
694
    /* whether the kernel died with panic() or not */
695
    uint32_t        panic_magic;              /* 0xe00 */
696

    
697
    uint8_t         pad13[0x11b8-0xe04];      /* 0xe04 */
698

    
699
    /* 64 bit extparam used for pfault, diag 250 etc  */
700
    uint64_t        ext_params2;               /* 0x11B8 */
701

    
702
    uint8_t         pad14[0x1200-0x11C0];      /* 0x11C0 */
703

    
704
    /* System info area */
705

    
706
    uint64_t        floating_pt_save_area[16]; /* 0x1200 */
707
    uint64_t        gpregs_save_area[16];      /* 0x1280 */
708
    uint32_t        st_status_fixed_logout[4]; /* 0x1300 */
709
    uint8_t         pad15[0x1318-0x1310];      /* 0x1310 */
710
    uint32_t        prefixreg_save_area;       /* 0x1318 */
711
    uint32_t        fpt_creg_save_area;        /* 0x131c */
712
    uint8_t         pad16[0x1324-0x1320];      /* 0x1320 */
713
    uint32_t        tod_progreg_save_area;     /* 0x1324 */
714
    uint32_t        cpu_timer_save_area[2];    /* 0x1328 */
715
    uint32_t        clock_comp_save_area[2];   /* 0x1330 */
716
    uint8_t         pad17[0x1340-0x1338];      /* 0x1338 */
717
    uint32_t        access_regs_save_area[16]; /* 0x1340 */
718
    uint64_t        cregs_save_area[16];       /* 0x1380 */
719

    
720
    /* align to the top of the prefix area */
721

    
722
    uint8_t         pad18[0x2000-0x1400];      /* 0x1400 */
723
} QEMU_PACKED LowCore;
724

    
725
/* STSI */
726
#define STSI_LEVEL_MASK         0x00000000f0000000ULL
727
#define STSI_LEVEL_CURRENT      0x0000000000000000ULL
728
#define STSI_LEVEL_1            0x0000000010000000ULL
729
#define STSI_LEVEL_2            0x0000000020000000ULL
730
#define STSI_LEVEL_3            0x0000000030000000ULL
731
#define STSI_R0_RESERVED_MASK   0x000000000fffff00ULL
732
#define STSI_R0_SEL1_MASK       0x00000000000000ffULL
733
#define STSI_R1_RESERVED_MASK   0x00000000ffff0000ULL
734
#define STSI_R1_SEL2_MASK       0x000000000000ffffULL
735

    
736
/* Basic Machine Configuration */
737
struct sysib_111 {
738
    uint32_t res1[8];
739
    uint8_t  manuf[16];
740
    uint8_t  type[4];
741
    uint8_t  res2[12];
742
    uint8_t  model[16];
743
    uint8_t  sequence[16];
744
    uint8_t  plant[4];
745
    uint8_t  res3[156];
746
};
747

    
748
/* Basic Machine CPU */
749
struct sysib_121 {
750
    uint32_t res1[80];
751
    uint8_t  sequence[16];
752
    uint8_t  plant[4];
753
    uint8_t  res2[2];
754
    uint16_t cpu_addr;
755
    uint8_t  res3[152];
756
};
757

    
758
/* Basic Machine CPUs */
759
struct sysib_122 {
760
    uint8_t res1[32];
761
    uint32_t capability;
762
    uint16_t total_cpus;
763
    uint16_t active_cpus;
764
    uint16_t standby_cpus;
765
    uint16_t reserved_cpus;
766
    uint16_t adjustments[2026];
767
};
768

    
769
/* LPAR CPU */
770
struct sysib_221 {
771
    uint32_t res1[80];
772
    uint8_t  sequence[16];
773
    uint8_t  plant[4];
774
    uint16_t cpu_id;
775
    uint16_t cpu_addr;
776
    uint8_t  res3[152];
777
};
778

    
779
/* LPAR CPUs */
780
struct sysib_222 {
781
    uint32_t res1[32];
782
    uint16_t lpar_num;
783
    uint8_t  res2;
784
    uint8_t  lcpuc;
785
    uint16_t total_cpus;
786
    uint16_t conf_cpus;
787
    uint16_t standby_cpus;
788
    uint16_t reserved_cpus;
789
    uint8_t  name[8];
790
    uint32_t caf;
791
    uint8_t  res3[16];
792
    uint16_t dedicated_cpus;
793
    uint16_t shared_cpus;
794
    uint8_t  res4[180];
795
};
796

    
797
/* VM CPUs */
798
struct sysib_322 {
799
    uint8_t  res1[31];
800
    uint8_t  count;
801
    struct {
802
        uint8_t  res2[4];
803
        uint16_t total_cpus;
804
        uint16_t conf_cpus;
805
        uint16_t standby_cpus;
806
        uint16_t reserved_cpus;
807
        uint8_t  name[8];
808
        uint32_t caf;
809
        uint8_t  cpi[16];
810
        uint8_t  res3[24];
811
    } vm[8];
812
    uint8_t res4[3552];
813
};
814

    
815
/* MMU defines */
816
#define _ASCE_ORIGIN            ~0xfffULL /* segment table origin             */
817
#define _ASCE_SUBSPACE          0x200     /* subspace group control           */
818
#define _ASCE_PRIVATE_SPACE     0x100     /* private space control            */
819
#define _ASCE_ALT_EVENT         0x80      /* storage alteration event control */
820
#define _ASCE_SPACE_SWITCH      0x40      /* space switch event               */
821
#define _ASCE_REAL_SPACE        0x20      /* real space control               */
822
#define _ASCE_TYPE_MASK         0x0c      /* asce table type mask             */
823
#define _ASCE_TYPE_REGION1      0x0c      /* region first table type          */
824
#define _ASCE_TYPE_REGION2      0x08      /* region second table type         */
825
#define _ASCE_TYPE_REGION3      0x04      /* region third table type          */
826
#define _ASCE_TYPE_SEGMENT      0x00      /* segment table type               */
827
#define _ASCE_TABLE_LENGTH      0x03      /* region table length              */
828

    
829
#define _REGION_ENTRY_ORIGIN    ~0xfffULL /* region/segment table origin      */
830
#define _REGION_ENTRY_INV       0x20      /* invalid region table entry       */
831
#define _REGION_ENTRY_TYPE_MASK 0x0c      /* region/segment table type mask   */
832
#define _REGION_ENTRY_TYPE_R1   0x0c      /* region first table type          */
833
#define _REGION_ENTRY_TYPE_R2   0x08      /* region second table type         */
834
#define _REGION_ENTRY_TYPE_R3   0x04      /* region third table type          */
835
#define _REGION_ENTRY_LENGTH    0x03      /* region third length              */
836

    
837
#define _SEGMENT_ENTRY_ORIGIN   ~0x7ffULL /* segment table origin             */
838
#define _SEGMENT_ENTRY_RO       0x200     /* page protection bit              */
839
#define _SEGMENT_ENTRY_INV      0x20      /* invalid segment table entry      */
840

    
841
#define _PAGE_RO        0x200            /* HW read-only bit  */
842
#define _PAGE_INVALID   0x400            /* HW invalid bit    */
843

    
844
#define SK_C                    (0x1 << 1)
845
#define SK_R                    (0x1 << 2)
846
#define SK_F                    (0x1 << 3)
847
#define SK_ACC_MASK             (0xf << 4)
848

    
849

    
850
/* EBCDIC handling */
851
static const uint8_t ebcdic2ascii[] = {
852
    0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F,
853
    0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
854
    0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07,
855
    0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
856
    0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B,
857
    0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07,
858
    0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
859
    0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
860
    0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
861
    0x87, 0xA4, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21,
862
    0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
863
    0x8D, 0xE1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
864
    0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
865
    0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
866
    0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
867
    0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
868
    0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
869
    0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
870
    0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
871
    0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
872
    0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
873
    0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
874
    0x9B, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
875
    0xAB, 0x07, 0xAA, 0x7C, 0x07, 0x07, 0x07, 0x07,
876
    0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
877
    0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
878
    0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
879
    0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
880
    0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
881
    0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
882
    0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
883
    0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07,
884
};
885

    
886
static const uint8_t ascii2ebcdic [] = {
887
    0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
888
    0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
889
    0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26,
890
    0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F,
891
    0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D,
892
    0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
893
    0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
894
    0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
895
    0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
896
    0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
897
    0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
898
    0xE7, 0xE8, 0xE9, 0xBA, 0xE0, 0xBB, 0xB0, 0x6D,
899
    0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
900
    0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
901
    0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
902
    0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
903
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
904
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
905
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
906
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
907
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
908
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
909
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
910
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
911
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
912
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
913
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
914
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
915
    0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
916
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
917
    0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
918
    0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF
919
};
920

    
921
static inline void ebcdic_put(uint8_t *p, const char *ascii, int len)
922
{
923
    int i;
924

    
925
    for (i = 0; i < len; i++) {
926
        p[i] = ascii2ebcdic[(int)ascii[i]];
927
    }
928
}
929

    
930
#define SIGP_SENSE             0x01
931
#define SIGP_EXTERNAL_CALL     0x02
932
#define SIGP_EMERGENCY         0x03
933
#define SIGP_START             0x04
934
#define SIGP_STOP              0x05
935
#define SIGP_RESTART           0x06
936
#define SIGP_STOP_STORE_STATUS 0x09
937
#define SIGP_INITIAL_CPU_RESET 0x0b
938
#define SIGP_CPU_RESET         0x0c
939
#define SIGP_SET_PREFIX        0x0d
940
#define SIGP_STORE_STATUS_ADDR 0x0e
941
#define SIGP_SET_ARCH          0x12
942

    
943
/* cpu status bits */
944
#define SIGP_STAT_EQUIPMENT_CHECK   0x80000000UL
945
#define SIGP_STAT_INCORRECT_STATE   0x00000200UL
946
#define SIGP_STAT_INVALID_PARAMETER 0x00000100UL
947
#define SIGP_STAT_EXT_CALL_PENDING  0x00000080UL
948
#define SIGP_STAT_STOPPED           0x00000040UL
949
#define SIGP_STAT_OPERATOR_INTERV   0x00000020UL
950
#define SIGP_STAT_CHECK_STOP        0x00000010UL
951
#define SIGP_STAT_INOPERATIVE       0x00000004UL
952
#define SIGP_STAT_INVALID_ORDER     0x00000002UL
953
#define SIGP_STAT_RECEIVER_CHECK    0x00000001UL
954

    
955
void load_psw(CPUS390XState *env, uint64_t mask, uint64_t addr);
956
int mmu_translate(CPUS390XState *env, target_ulong vaddr, int rw, uint64_t asc,
957
                  target_ulong *raddr, int *flags);
958
int sclp_service_call(CPUS390XState *env, uint32_t sccb, uint64_t code);
959
uint32_t calc_cc(CPUS390XState *env, uint32_t cc_op, uint64_t src, uint64_t dst,
960
                 uint64_t vr);
961

    
962
#define TARGET_HAS_ICE 1
963

    
964
/* The value of the TOD clock for 1.1.1970. */
965
#define TOD_UNIX_EPOCH 0x7d91048bca000000ULL
966

    
967
/* Converts ns to s390's clock format */
968
static inline uint64_t time2tod(uint64_t ns) {
969
    return (ns << 9) / 125;
970
}
971

    
972
static inline void cpu_inject_ext(CPUS390XState *env, uint32_t code, uint32_t param,
973
                                  uint64_t param64)
974
{
975
    if (env->ext_index == MAX_EXT_QUEUE - 1) {
976
        /* ugh - can't queue anymore. Let's drop. */
977
        return;
978
    }
979

    
980
    env->ext_index++;
981
    assert(env->ext_index < MAX_EXT_QUEUE);
982

    
983
    env->ext_queue[env->ext_index].code = code;
984
    env->ext_queue[env->ext_index].param = param;
985
    env->ext_queue[env->ext_index].param64 = param64;
986

    
987
    env->pending_int |= INTERRUPT_EXT;
988
    cpu_interrupt(env, CPU_INTERRUPT_HARD);
989
}
990

    
991
static inline bool cpu_has_work(CPUS390XState *env)
992
{
993
    return (env->interrupt_request & CPU_INTERRUPT_HARD) &&
994
        (env->psw.mask & PSW_MASK_EXT);
995
}
996

    
997
static inline void cpu_pc_from_tb(CPUS390XState *env, TranslationBlock* tb)
998
{
999
    env->psw.addr = tb->pc;
1000
}
1001

    
1002
#endif