| /* |
| * S/390 virtual CPU header |
| * |
| * Copyright (c) 2009 Ulrich Hecht |
| * Copyright IBM Corp. 2012, 2018 |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, see <http://www.gnu.org/licenses/>. |
| */ |
| |
| #ifndef S390X_CPU_H |
| #define S390X_CPU_H |
| |
| #include "qemu-common.h" |
| #include "cpu-qom.h" |
| #include "cpu_models.h" |
| |
| #define TARGET_LONG_BITS 64 |
| |
| #define ELF_MACHINE_UNAME "S390X" |
| |
| #define CPUArchState struct CPUS390XState |
| |
| #include "exec/cpu-defs.h" |
| |
| /* The z/Architecture has a strong memory model with some store-after-load re-ordering */ |
| #define TCG_GUEST_DEFAULT_MO (TCG_MO_ALL & ~TCG_MO_ST_LD) |
| |
| #define TARGET_PAGE_BITS 12 |
| |
| #define TARGET_PHYS_ADDR_SPACE_BITS 64 |
| #define TARGET_VIRT_ADDR_SPACE_BITS 64 |
| |
| #include "exec/cpu-all.h" |
| |
| #define NB_MMU_MODES 4 |
| #define TARGET_INSN_START_EXTRA_WORDS 1 |
| |
| #define MMU_MODE0_SUFFIX _primary |
| #define MMU_MODE1_SUFFIX _secondary |
| #define MMU_MODE2_SUFFIX _home |
| #define MMU_MODE3_SUFFIX _real |
| |
| #define MMU_USER_IDX 0 |
| |
| #define S390_MAX_CPUS 248 |
| |
| typedef struct PSW { |
| uint64_t mask; |
| uint64_t addr; |
| } PSW; |
| |
| struct CPUS390XState { |
| uint64_t regs[16]; /* GP registers */ |
| /* |
| * The floating point registers are part of the vector registers. |
| * vregs[0][0] -> vregs[15][0] are 16 floating point registers |
| */ |
| CPU_DoubleU vregs[32][2]; /* vector registers */ |
| uint32_t aregs[16]; /* access registers */ |
| uint8_t riccb[64]; /* runtime instrumentation control */ |
| uint64_t gscb[4]; /* guarded storage control */ |
| uint64_t etoken; /* etoken */ |
| uint64_t etoken_extension; /* etoken extension */ |
| |
| /* Fields up to this point are not cleared by initial CPU reset */ |
| struct {} start_initial_reset_fields; |
| |
| uint32_t fpc; /* floating-point control register */ |
| uint32_t cc_op; |
| bool bpbc; /* branch prediction blocking */ |
| |
| float_status fpu_status; /* passed to softfloat lib */ |
| |
| /* The low part of a 128-bit return, or remainder of a divide. */ |
| uint64_t retxl; |
| |
| PSW psw; |
| |
| S390CrashReason crash_reason; |
| |
| uint64_t cc_src; |
| uint64_t cc_dst; |
| uint64_t cc_vr; |
| |
| uint64_t ex_value; |
| |
| uint64_t __excp_addr; |
| uint64_t psa; |
| |
| uint32_t int_pgm_code; |
| uint32_t int_pgm_ilen; |
| |
| uint32_t int_svc_code; |
| uint32_t int_svc_ilen; |
| |
| uint64_t per_address; |
| uint16_t per_perc_atmid; |
| |
| uint64_t cregs[16]; /* control registers */ |
| |
| int pending_int; |
| uint16_t external_call_addr; |
| DECLARE_BITMAP(emergency_signals, S390_MAX_CPUS); |
| |
| uint64_t ckc; |
| uint64_t cputm; |
| uint32_t todpr; |
| |
| uint64_t pfault_token; |
| uint64_t pfault_compare; |
| uint64_t pfault_select; |
| |
| uint64_t gbea; |
| uint64_t pp; |
| |
| /* Fields up to this point are cleared by a CPU reset */ |
| struct {} end_reset_fields; |
| |
| CPU_COMMON |
| |
| #if !defined(CONFIG_USER_ONLY) |
| uint32_t core_id; /* PoP "CPU address", same as cpu_index */ |
| uint64_t cpuid; |
| #endif |
| |
| QEMUTimer *tod_timer; |
| |
| QEMUTimer *cpu_timer; |
| |
| /* |
| * The cpu state represents the logical state of a cpu. In contrast to other |
| * architectures, there is a difference between a halt and a stop on s390. |
| * If all cpus are either stopped (including check stop) or in the disabled |
| * wait state, the vm can be shut down. |
| * The acceptable cpu_state values are defined in the CpuInfoS390State |
| * enum. |
| */ |
| uint8_t cpu_state; |
| |
| /* currently processed sigp order */ |
| uint8_t sigp_order; |
| |
| }; |
| |
| static inline CPU_DoubleU *get_freg(CPUS390XState *cs, int nr) |
| { |
| return &cs->vregs[nr][0]; |
| } |
| |
| /** |
| * S390CPU: |
| * @env: #CPUS390XState. |
| * |
| * An S/390 CPU. |
| */ |
| struct S390CPU { |
| /*< private >*/ |
| CPUState parent_obj; |
| /*< public >*/ |
| |
| CPUS390XState env; |
| S390CPUModel *model; |
| /* needed for live migration */ |
| void *irqstate; |
| uint32_t irqstate_saved_size; |
| }; |
| |
| static inline S390CPU *s390_env_get_cpu(CPUS390XState *env) |
| { |
| return container_of(env, S390CPU, env); |
| } |
| |
| #define ENV_GET_CPU(e) CPU(s390_env_get_cpu(e)) |
| |
| #define ENV_OFFSET offsetof(S390CPU, env) |
| |
| #ifndef CONFIG_USER_ONLY |
| extern const struct VMStateDescription vmstate_s390_cpu; |
| #endif |
| |
| /* distinguish between 24 bit and 31 bit addressing */ |
| #define HIGH_ORDER_BIT 0x80000000 |
| |
| /* Interrupt Codes */ |
| /* Program Interrupts */ |
| #define PGM_OPERATION 0x0001 |
| #define PGM_PRIVILEGED 0x0002 |
| #define PGM_EXECUTE 0x0003 |
| #define PGM_PROTECTION 0x0004 |
| #define PGM_ADDRESSING 0x0005 |
| #define PGM_SPECIFICATION 0x0006 |
| #define PGM_DATA 0x0007 |
| #define PGM_FIXPT_OVERFLOW 0x0008 |
| #define PGM_FIXPT_DIVIDE 0x0009 |
| #define PGM_DEC_OVERFLOW 0x000a |
| #define PGM_DEC_DIVIDE 0x000b |
| #define PGM_HFP_EXP_OVERFLOW 0x000c |
| #define PGM_HFP_EXP_UNDERFLOW 0x000d |
| #define PGM_HFP_SIGNIFICANCE 0x000e |
| #define PGM_HFP_DIVIDE 0x000f |
| #define PGM_SEGMENT_TRANS 0x0010 |
| #define PGM_PAGE_TRANS 0x0011 |
| #define PGM_TRANS_SPEC 0x0012 |
| #define PGM_SPECIAL_OP 0x0013 |
| #define PGM_OPERAND 0x0015 |
| #define PGM_TRACE_TABLE 0x0016 |
| #define PGM_SPACE_SWITCH 0x001c |
| #define PGM_HFP_SQRT 0x001d |
| #define PGM_PC_TRANS_SPEC 0x001f |
| #define PGM_AFX_TRANS 0x0020 |
| #define PGM_ASX_TRANS 0x0021 |
| #define PGM_LX_TRANS 0x0022 |
| #define PGM_EX_TRANS 0x0023 |
| #define PGM_PRIM_AUTH 0x0024 |
| #define PGM_SEC_AUTH 0x0025 |
| #define PGM_ALET_SPEC 0x0028 |
| #define PGM_ALEN_SPEC 0x0029 |
| #define PGM_ALE_SEQ 0x002a |
| #define PGM_ASTE_VALID 0x002b |
| #define PGM_ASTE_SEQ 0x002c |
| #define PGM_EXT_AUTH 0x002d |
| #define PGM_STACK_FULL 0x0030 |
| #define PGM_STACK_EMPTY 0x0031 |
| #define PGM_STACK_SPEC 0x0032 |
| #define PGM_STACK_TYPE 0x0033 |
| #define PGM_STACK_OP 0x0034 |
| #define PGM_ASCE_TYPE 0x0038 |
| #define PGM_REG_FIRST_TRANS 0x0039 |
| #define PGM_REG_SEC_TRANS 0x003a |
| #define PGM_REG_THIRD_TRANS 0x003b |
| #define PGM_MONITOR 0x0040 |
| #define PGM_PER 0x0080 |
| #define PGM_CRYPTO 0x0119 |
| |
| /* External Interrupts */ |
| #define EXT_INTERRUPT_KEY 0x0040 |
| #define EXT_CLOCK_COMP 0x1004 |
| #define EXT_CPU_TIMER 0x1005 |
| #define EXT_MALFUNCTION 0x1200 |
| #define EXT_EMERGENCY 0x1201 |
| #define EXT_EXTERNAL_CALL 0x1202 |
| #define EXT_ETR 0x1406 |
| #define EXT_SERVICE 0x2401 |
| #define EXT_VIRTIO 0x2603 |
| |
| /* PSW defines */ |
| #undef PSW_MASK_PER |
| #undef PSW_MASK_UNUSED_2 |
| #undef PSW_MASK_DAT |
| #undef PSW_MASK_IO |
| #undef PSW_MASK_EXT |
| #undef PSW_MASK_KEY |
| #undef PSW_SHIFT_KEY |
| #undef PSW_MASK_MCHECK |
| #undef PSW_MASK_WAIT |
| #undef PSW_MASK_PSTATE |
| #undef PSW_MASK_ASC |
| #undef PSW_SHIFT_ASC |
| #undef PSW_MASK_CC |
| #undef PSW_MASK_PM |
| #undef PSW_SHIFT_MASK_PM |
| #undef PSW_MASK_64 |
| #undef PSW_MASK_32 |
| #undef PSW_MASK_ESA_ADDR |
| |
| #define PSW_MASK_PER 0x4000000000000000ULL |
| #define PSW_MASK_UNUSED_2 0x2000000000000000ULL |
| #define PSW_MASK_DAT 0x0400000000000000ULL |
| #define PSW_MASK_IO 0x0200000000000000ULL |
| #define PSW_MASK_EXT 0x0100000000000000ULL |
| #define PSW_MASK_KEY 0x00F0000000000000ULL |
| #define PSW_SHIFT_KEY 52 |
| #define PSW_MASK_MCHECK 0x0004000000000000ULL |
| #define PSW_MASK_WAIT 0x0002000000000000ULL |
| #define PSW_MASK_PSTATE 0x0001000000000000ULL |
| #define PSW_MASK_ASC 0x0000C00000000000ULL |
| #define PSW_SHIFT_ASC 46 |
| #define PSW_MASK_CC 0x0000300000000000ULL |
| #define PSW_MASK_PM 0x00000F0000000000ULL |
| #define PSW_SHIFT_MASK_PM 40 |
| #define PSW_MASK_64 0x0000000100000000ULL |
| #define PSW_MASK_32 0x0000000080000000ULL |
| #define PSW_MASK_ESA_ADDR 0x000000007fffffffULL |
| |
| #undef PSW_ASC_PRIMARY |
| #undef PSW_ASC_ACCREG |
| #undef PSW_ASC_SECONDARY |
| #undef PSW_ASC_HOME |
| |
| #define PSW_ASC_PRIMARY 0x0000000000000000ULL |
| #define PSW_ASC_ACCREG 0x0000400000000000ULL |
| #define PSW_ASC_SECONDARY 0x0000800000000000ULL |
| #define PSW_ASC_HOME 0x0000C00000000000ULL |
| |
| /* the address space values shifted */ |
| #define AS_PRIMARY 0 |
| #define AS_ACCREG 1 |
| #define AS_SECONDARY 2 |
| #define AS_HOME 3 |
| |
| /* tb flags */ |
| |
| #define FLAG_MASK_PSW_SHIFT 31 |
| #define FLAG_MASK_PER (PSW_MASK_PER >> FLAG_MASK_PSW_SHIFT) |
| #define FLAG_MASK_DAT (PSW_MASK_DAT >> FLAG_MASK_PSW_SHIFT) |
| #define FLAG_MASK_PSTATE (PSW_MASK_PSTATE >> FLAG_MASK_PSW_SHIFT) |
| #define FLAG_MASK_ASC (PSW_MASK_ASC >> FLAG_MASK_PSW_SHIFT) |
| #define FLAG_MASK_64 (PSW_MASK_64 >> FLAG_MASK_PSW_SHIFT) |
| #define FLAG_MASK_32 (PSW_MASK_32 >> FLAG_MASK_PSW_SHIFT) |
| #define FLAG_MASK_PSW (FLAG_MASK_PER | FLAG_MASK_DAT | FLAG_MASK_PSTATE \ |
| | FLAG_MASK_ASC | FLAG_MASK_64 | FLAG_MASK_32) |
| |
| /* we'll use some unused PSW positions to store CR flags in tb flags */ |
| #define FLAG_MASK_AFP (PSW_MASK_UNUSED_2 >> FLAG_MASK_PSW_SHIFT) |
| |
| /* Control register 0 bits */ |
| #define CR0_LOWPROT 0x0000000010000000ULL |
| #define CR0_SECONDARY 0x0000000004000000ULL |
| #define CR0_EDAT 0x0000000000800000ULL |
| #define CR0_AFP 0x0000000000040000ULL |
| #define CR0_EMERGENCY_SIGNAL_SC 0x0000000000004000ULL |
| #define CR0_EXTERNAL_CALL_SC 0x0000000000002000ULL |
| #define CR0_CKC_SC 0x0000000000000800ULL |
| #define CR0_CPU_TIMER_SC 0x0000000000000400ULL |
| #define CR0_SERVICE_SC 0x0000000000000200ULL |
| |
| /* Control register 14 bits */ |
| #define CR14_CHANNEL_REPORT_SC 0x0000000010000000ULL |
| |
| /* MMU */ |
| #define MMU_PRIMARY_IDX 0 |
| #define MMU_SECONDARY_IDX 1 |
| #define MMU_HOME_IDX 2 |
| #define MMU_REAL_IDX 3 |
| |
| static inline int cpu_mmu_index(CPUS390XState *env, bool ifetch) |
| { |
| if (!(env->psw.mask & PSW_MASK_DAT)) { |
| return MMU_REAL_IDX; |
| } |
| |
| switch (env->psw.mask & PSW_MASK_ASC) { |
| case PSW_ASC_PRIMARY: |
| return MMU_PRIMARY_IDX; |
| case PSW_ASC_SECONDARY: |
| return MMU_SECONDARY_IDX; |
| case PSW_ASC_HOME: |
| return MMU_HOME_IDX; |
| case PSW_ASC_ACCREG: |
| /* Fallthrough: access register mode is not yet supported */ |
| default: |
| abort(); |
| } |
| } |
| |
| static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc, |
| target_ulong *cs_base, uint32_t *flags) |
| { |
| *pc = env->psw.addr; |
| *cs_base = env->ex_value; |
| *flags = (env->psw.mask >> FLAG_MASK_PSW_SHIFT) & FLAG_MASK_PSW; |
| if (env->cregs[0] & CR0_AFP) { |
| *flags |= FLAG_MASK_AFP; |
| } |
| } |
| |
| /* PER bits from control register 9 */ |
| #define PER_CR9_EVENT_BRANCH 0x80000000 |
| #define PER_CR9_EVENT_IFETCH 0x40000000 |
| #define PER_CR9_EVENT_STORE 0x20000000 |
| #define PER_CR9_EVENT_STORE_REAL 0x08000000 |
| #define PER_CR9_EVENT_NULLIFICATION 0x01000000 |
| #define PER_CR9_CONTROL_BRANCH_ADDRESS 0x00800000 |
| #define PER_CR9_CONTROL_ALTERATION 0x00200000 |
| |
| /* PER bits from the PER CODE/ATMID/AI in lowcore */ |
| #define PER_CODE_EVENT_BRANCH 0x8000 |
| #define PER_CODE_EVENT_IFETCH 0x4000 |
| #define PER_CODE_EVENT_STORE 0x2000 |
| #define PER_CODE_EVENT_STORE_REAL 0x0800 |
| #define PER_CODE_EVENT_NULLIFICATION 0x0100 |
| |
| #define EXCP_EXT 1 /* external interrupt */ |
| #define EXCP_SVC 2 /* supervisor call (syscall) */ |
| #define EXCP_PGM 3 /* program interruption */ |
| #define EXCP_RESTART 4 /* restart interrupt */ |
| #define EXCP_STOP 5 /* stop interrupt */ |
| #define EXCP_IO 7 /* I/O interrupt */ |
| #define EXCP_MCHK 8 /* machine check */ |
| |
| #define INTERRUPT_EXT_CPU_TIMER (1 << 3) |
| #define INTERRUPT_EXT_CLOCK_COMPARATOR (1 << 4) |
| #define INTERRUPT_EXTERNAL_CALL (1 << 5) |
| #define INTERRUPT_EMERGENCY_SIGNAL (1 << 6) |
| #define INTERRUPT_RESTART (1 << 7) |
| #define INTERRUPT_STOP (1 << 8) |
| |
| /* Program Status Word. */ |
| #define S390_PSWM_REGNUM 0 |
| #define S390_PSWA_REGNUM 1 |
| /* General Purpose Registers. */ |
| #define S390_R0_REGNUM 2 |
| #define S390_R1_REGNUM 3 |
| #define S390_R2_REGNUM 4 |
| #define S390_R3_REGNUM 5 |
| #define S390_R4_REGNUM 6 |
| #define S390_R5_REGNUM 7 |
| #define S390_R6_REGNUM 8 |
| #define S390_R7_REGNUM 9 |
| #define S390_R8_REGNUM 10 |
| #define S390_R9_REGNUM 11 |
| #define S390_R10_REGNUM 12 |
| #define S390_R11_REGNUM 13 |
| #define S390_R12_REGNUM 14 |
| #define S390_R13_REGNUM 15 |
| #define S390_R14_REGNUM 16 |
| #define S390_R15_REGNUM 17 |
| /* Total Core Registers. */ |
| #define S390_NUM_CORE_REGS 18 |
| |
| static inline void setcc(S390CPU *cpu, uint64_t cc) |
| { |
| CPUS390XState *env = &cpu->env; |
| |
| env->psw.mask &= ~(3ull << 44); |
| env->psw.mask |= (cc & 3) << 44; |
| env->cc_op = cc; |
| } |
| |
| /* STSI */ |
| #define STSI_R0_FC_MASK 0x00000000f0000000ULL |
| #define STSI_R0_FC_CURRENT 0x0000000000000000ULL |
| #define STSI_R0_FC_LEVEL_1 0x0000000010000000ULL |
| #define STSI_R0_FC_LEVEL_2 0x0000000020000000ULL |
| #define STSI_R0_FC_LEVEL_3 0x0000000030000000ULL |
| #define STSI_R0_RESERVED_MASK 0x000000000fffff00ULL |
| #define STSI_R0_SEL1_MASK 0x00000000000000ffULL |
| #define STSI_R1_RESERVED_MASK 0x00000000ffff0000ULL |
| #define STSI_R1_SEL2_MASK 0x000000000000ffffULL |
| |
| /* Basic Machine Configuration */ |
| typedef struct SysIB_111 { |
| uint8_t res1[32]; |
| uint8_t manuf[16]; |
| uint8_t type[4]; |
| uint8_t res2[12]; |
| uint8_t model[16]; |
| uint8_t sequence[16]; |
| uint8_t plant[4]; |
| uint8_t res3[3996]; |
| } SysIB_111; |
| QEMU_BUILD_BUG_ON(sizeof(SysIB_111) != 4096); |
| |
| /* Basic Machine CPU */ |
| typedef struct SysIB_121 { |
| uint8_t res1[80]; |
| uint8_t sequence[16]; |
| uint8_t plant[4]; |
| uint8_t res2[2]; |
| uint16_t cpu_addr; |
| uint8_t res3[3992]; |
| } SysIB_121; |
| QEMU_BUILD_BUG_ON(sizeof(SysIB_121) != 4096); |
| |
| /* Basic Machine CPUs */ |
| typedef struct SysIB_122 { |
| uint8_t res1[32]; |
| uint32_t capability; |
| uint16_t total_cpus; |
| uint16_t conf_cpus; |
| uint16_t standby_cpus; |
| uint16_t reserved_cpus; |
| uint16_t adjustments[2026]; |
| } SysIB_122; |
| QEMU_BUILD_BUG_ON(sizeof(SysIB_122) != 4096); |
| |
| /* LPAR CPU */ |
| typedef struct SysIB_221 { |
| uint8_t res1[80]; |
| uint8_t sequence[16]; |
| uint8_t plant[4]; |
| uint16_t cpu_id; |
| uint16_t cpu_addr; |
| uint8_t res3[3992]; |
| } SysIB_221; |
| QEMU_BUILD_BUG_ON(sizeof(SysIB_221) != 4096); |
| |
| /* LPAR CPUs */ |
| typedef struct SysIB_222 { |
| uint8_t res1[32]; |
| uint16_t lpar_num; |
| uint8_t res2; |
| uint8_t lcpuc; |
| uint16_t total_cpus; |
| uint16_t conf_cpus; |
| uint16_t standby_cpus; |
| uint16_t reserved_cpus; |
| uint8_t name[8]; |
| uint32_t caf; |
| uint8_t res3[16]; |
| uint16_t dedicated_cpus; |
| uint16_t shared_cpus; |
| uint8_t res4[4020]; |
| } SysIB_222; |
| QEMU_BUILD_BUG_ON(sizeof(SysIB_222) != 4096); |
| |
| /* VM CPUs */ |
| typedef struct SysIB_322 { |
| uint8_t res1[31]; |
| uint8_t count; |
| struct { |
| uint8_t res2[4]; |
| uint16_t total_cpus; |
| uint16_t conf_cpus; |
| uint16_t standby_cpus; |
| uint16_t reserved_cpus; |
| uint8_t name[8]; |
| uint32_t caf; |
| uint8_t cpi[16]; |
| uint8_t res5[3]; |
| uint8_t ext_name_encoding; |
| uint32_t res3; |
| uint8_t uuid[16]; |
| } vm[8]; |
| uint8_t res4[1504]; |
| uint8_t ext_names[8][256]; |
| } SysIB_322; |
| QEMU_BUILD_BUG_ON(sizeof(SysIB_322) != 4096); |
| |
| typedef union SysIB { |
| SysIB_111 sysib_111; |
| SysIB_121 sysib_121; |
| SysIB_122 sysib_122; |
| SysIB_221 sysib_221; |
| SysIB_222 sysib_222; |
| SysIB_322 sysib_322; |
| } SysIB; |
| QEMU_BUILD_BUG_ON(sizeof(SysIB) != 4096); |
| |
| /* MMU defines */ |
| #define ASCE_ORIGIN (~0xfffULL) /* segment table origin */ |
| #define ASCE_SUBSPACE 0x200 /* subspace group control */ |
| #define ASCE_PRIVATE_SPACE 0x100 /* private space control */ |
| #define ASCE_ALT_EVENT 0x80 /* storage alteration event control */ |
| #define ASCE_SPACE_SWITCH 0x40 /* space switch event */ |
| #define ASCE_REAL_SPACE 0x20 /* real space control */ |
| #define ASCE_TYPE_MASK 0x0c /* asce table type mask */ |
| #define ASCE_TYPE_REGION1 0x0c /* region first table type */ |
| #define ASCE_TYPE_REGION2 0x08 /* region second table type */ |
| #define ASCE_TYPE_REGION3 0x04 /* region third table type */ |
| #define ASCE_TYPE_SEGMENT 0x00 /* segment table type */ |
| #define ASCE_TABLE_LENGTH 0x03 /* region table length */ |
| |
| #define REGION_ENTRY_ORIGIN (~0xfffULL) /* region/segment table origin */ |
| #define REGION_ENTRY_RO 0x200 /* region/segment protection bit */ |
| #define REGION_ENTRY_TF 0xc0 /* region/segment table offset */ |
| #define REGION_ENTRY_INV 0x20 /* invalid region table entry */ |
| #define REGION_ENTRY_TYPE_MASK 0x0c /* region/segment table type mask */ |
| #define REGION_ENTRY_TYPE_R1 0x0c /* region first table type */ |
| #define REGION_ENTRY_TYPE_R2 0x08 /* region second table type */ |
| #define REGION_ENTRY_TYPE_R3 0x04 /* region third table type */ |
| #define REGION_ENTRY_LENGTH 0x03 /* region third length */ |
| |
| #define SEGMENT_ENTRY_ORIGIN (~0x7ffULL) /* segment table origin */ |
| #define SEGMENT_ENTRY_FC 0x400 /* format control */ |
| #define SEGMENT_ENTRY_RO 0x200 /* page protection bit */ |
| #define SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry */ |
| |
| #define VADDR_PX 0xff000 /* page index bits */ |
| |
| #define PAGE_RO 0x200 /* HW read-only bit */ |
| #define PAGE_INVALID 0x400 /* HW invalid bit */ |
| #define PAGE_RES0 0x800 /* bit must be zero */ |
| |
| #define SK_C (0x1 << 1) |
| #define SK_R (0x1 << 2) |
| #define SK_F (0x1 << 3) |
| #define SK_ACC_MASK (0xf << 4) |
| |
| /* SIGP order codes */ |
| #define SIGP_SENSE 0x01 |
| #define SIGP_EXTERNAL_CALL 0x02 |
| #define SIGP_EMERGENCY 0x03 |
| #define SIGP_START 0x04 |
| #define SIGP_STOP 0x05 |
| #define SIGP_RESTART 0x06 |
| #define SIGP_STOP_STORE_STATUS 0x09 |
| #define SIGP_INITIAL_CPU_RESET 0x0b |
| #define SIGP_CPU_RESET 0x0c |
| #define SIGP_SET_PREFIX 0x0d |
| #define SIGP_STORE_STATUS_ADDR 0x0e |
| #define SIGP_SET_ARCH 0x12 |
| #define SIGP_COND_EMERGENCY 0x13 |
| #define SIGP_SENSE_RUNNING 0x15 |
| #define SIGP_STORE_ADTL_STATUS 0x17 |
| |
| /* SIGP condition codes */ |
| #define SIGP_CC_ORDER_CODE_ACCEPTED 0 |
| #define SIGP_CC_STATUS_STORED 1 |
| #define SIGP_CC_BUSY 2 |
| #define SIGP_CC_NOT_OPERATIONAL 3 |
| |
| /* SIGP status bits */ |
| #define SIGP_STAT_EQUIPMENT_CHECK 0x80000000UL |
| #define SIGP_STAT_NOT_RUNNING 0x00000400UL |
| #define SIGP_STAT_INCORRECT_STATE 0x00000200UL |
| #define SIGP_STAT_INVALID_PARAMETER 0x00000100UL |
| #define SIGP_STAT_EXT_CALL_PENDING 0x00000080UL |
| #define SIGP_STAT_STOPPED 0x00000040UL |
| #define SIGP_STAT_OPERATOR_INTERV 0x00000020UL |
| #define SIGP_STAT_CHECK_STOP 0x00000010UL |
| #define SIGP_STAT_INOPERATIVE 0x00000004UL |
| #define SIGP_STAT_INVALID_ORDER 0x00000002UL |
| #define SIGP_STAT_RECEIVER_CHECK 0x00000001UL |
| |
| /* SIGP SET ARCHITECTURE modes */ |
| #define SIGP_MODE_ESA_S390 0 |
| #define SIGP_MODE_Z_ARCH_TRANS_ALL_PSW 1 |
| #define SIGP_MODE_Z_ARCH_TRANS_CUR_PSW 2 |
| |
| /* SIGP order code mask corresponding to bit positions 56-63 */ |
| #define SIGP_ORDER_MASK 0x000000ff |
| |
| /* machine check interruption code */ |
| |
| /* subclasses */ |
| #define MCIC_SC_SD 0x8000000000000000ULL |
| #define MCIC_SC_PD 0x4000000000000000ULL |
| #define MCIC_SC_SR 0x2000000000000000ULL |
| #define MCIC_SC_CD 0x0800000000000000ULL |
| #define MCIC_SC_ED 0x0400000000000000ULL |
| #define MCIC_SC_DG 0x0100000000000000ULL |
| #define MCIC_SC_W 0x0080000000000000ULL |
| #define MCIC_SC_CP 0x0040000000000000ULL |
| #define MCIC_SC_SP 0x0020000000000000ULL |
| #define MCIC_SC_CK 0x0010000000000000ULL |
| |
| /* subclass modifiers */ |
| #define MCIC_SCM_B 0x0002000000000000ULL |
| #define MCIC_SCM_DA 0x0000000020000000ULL |
| #define MCIC_SCM_AP 0x0000000000080000ULL |
| |
| /* storage errors */ |
| #define MCIC_SE_SE 0x0000800000000000ULL |
| #define MCIC_SE_SC 0x0000400000000000ULL |
| #define MCIC_SE_KE 0x0000200000000000ULL |
| #define MCIC_SE_DS 0x0000100000000000ULL |
| #define MCIC_SE_IE 0x0000000080000000ULL |
| |
| /* validity bits */ |
| #define MCIC_VB_WP 0x0000080000000000ULL |
| #define MCIC_VB_MS 0x0000040000000000ULL |
| #define MCIC_VB_PM 0x0000020000000000ULL |
| #define MCIC_VB_IA 0x0000010000000000ULL |
| #define MCIC_VB_FA 0x0000008000000000ULL |
| #define MCIC_VB_VR 0x0000004000000000ULL |
| #define MCIC_VB_EC 0x0000002000000000ULL |
| #define MCIC_VB_FP 0x0000001000000000ULL |
| #define MCIC_VB_GR 0x0000000800000000ULL |
| #define MCIC_VB_CR 0x0000000400000000ULL |
| #define MCIC_VB_ST 0x0000000100000000ULL |
| #define MCIC_VB_AR 0x0000000040000000ULL |
| #define MCIC_VB_GS 0x0000000008000000ULL |
| #define MCIC_VB_PR 0x0000000000200000ULL |
| #define MCIC_VB_FC 0x0000000000100000ULL |
| #define MCIC_VB_CT 0x0000000000020000ULL |
| #define MCIC_VB_CC 0x0000000000010000ULL |
| |
| static inline uint64_t s390_build_validity_mcic(void) |
| { |
| uint64_t mcic; |
| |
| /* |
| * Indicate all validity bits (no damage) only. Other bits have to be |
| * added by the caller. (storage errors, subclasses and subclass modifiers) |
| */ |
| mcic = MCIC_VB_WP | MCIC_VB_MS | MCIC_VB_PM | MCIC_VB_IA | MCIC_VB_FP | |
| MCIC_VB_GR | MCIC_VB_CR | MCIC_VB_ST | MCIC_VB_AR | MCIC_VB_PR | |
| MCIC_VB_FC | MCIC_VB_CT | MCIC_VB_CC; |
| if (s390_has_feat(S390_FEAT_VECTOR)) { |
| mcic |= MCIC_VB_VR; |
| } |
| if (s390_has_feat(S390_FEAT_GUARDED_STORAGE)) { |
| mcic |= MCIC_VB_GS; |
| } |
| return mcic; |
| } |
| |
| static inline void s390_do_cpu_full_reset(CPUState *cs, run_on_cpu_data arg) |
| { |
| cpu_reset(cs); |
| } |
| |
| static inline void s390_do_cpu_reset(CPUState *cs, run_on_cpu_data arg) |
| { |
| S390CPUClass *scc = S390_CPU_GET_CLASS(cs); |
| |
| scc->cpu_reset(cs); |
| } |
| |
| static inline void s390_do_cpu_initial_reset(CPUState *cs, run_on_cpu_data arg) |
| { |
| S390CPUClass *scc = S390_CPU_GET_CLASS(cs); |
| |
| scc->initial_cpu_reset(cs); |
| } |
| |
| static inline void s390_do_cpu_load_normal(CPUState *cs, run_on_cpu_data arg) |
| { |
| S390CPUClass *scc = S390_CPU_GET_CLASS(cs); |
| |
| scc->load_normal(cs); |
| } |
| |
| |
| /* cpu.c */ |
| void s390_crypto_reset(void); |
| int s390_set_memory_limit(uint64_t new_limit, uint64_t *hw_limit); |
| void s390_cmma_reset(void); |
| void s390_enable_css_support(S390CPU *cpu); |
| int s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch_id, |
| int vq, bool assign); |
| #ifndef CONFIG_USER_ONLY |
| unsigned int s390_cpu_set_state(uint8_t cpu_state, S390CPU *cpu); |
| #else |
| static inline unsigned int s390_cpu_set_state(uint8_t cpu_state, S390CPU *cpu) |
| { |
| return 0; |
| } |
| #endif /* CONFIG_USER_ONLY */ |
| static inline uint8_t s390_cpu_get_state(S390CPU *cpu) |
| { |
| return cpu->env.cpu_state; |
| } |
| |
| |
| /* cpu_models.c */ |
| void s390_cpu_list(FILE *f, fprintf_function cpu_fprintf); |
| #define cpu_list s390_cpu_list |
| void s390_set_qemu_cpu_model(uint16_t type, uint8_t gen, uint8_t ec_ga, |
| const S390FeatInit feat_init); |
| |
| |
| /* helper.c */ |
| #define S390_CPU_TYPE_SUFFIX "-" TYPE_S390_CPU |
| #define S390_CPU_TYPE_NAME(name) (name S390_CPU_TYPE_SUFFIX) |
| #define CPU_RESOLVING_TYPE TYPE_S390_CPU |
| |
| /* you can call this signal handler from your SIGBUS and SIGSEGV |
| signal handlers to inform the virtual CPU of exceptions. non zero |
| is returned if the signal was handled by the virtual CPU. */ |
| int cpu_s390x_signal_handler(int host_signum, void *pinfo, void *puc); |
| #define cpu_signal_handler cpu_s390x_signal_handler |
| |
| |
| /* interrupt.c */ |
| void s390_crw_mchk(void); |
| void s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr, |
| uint32_t io_int_parm, uint32_t io_int_word); |
| /* automatically detect the instruction length */ |
| #define ILEN_AUTO 0xff |
| #define RA_IGNORED 0 |
| void s390_program_interrupt(CPUS390XState *env, uint32_t code, int ilen, |
| uintptr_t ra); |
| /* service interrupts are floating therefore we must not pass an cpustate */ |
| void s390_sclp_extint(uint32_t parm); |
| |
| /* mmu_helper.c */ |
| int s390_cpu_virt_mem_rw(S390CPU *cpu, vaddr laddr, uint8_t ar, void *hostbuf, |
| int len, bool is_write); |
| #define s390_cpu_virt_mem_read(cpu, laddr, ar, dest, len) \ |
| s390_cpu_virt_mem_rw(cpu, laddr, ar, dest, len, false) |
| #define s390_cpu_virt_mem_write(cpu, laddr, ar, dest, len) \ |
| s390_cpu_virt_mem_rw(cpu, laddr, ar, dest, len, true) |
| #define s390_cpu_virt_mem_check_read(cpu, laddr, ar, len) \ |
| s390_cpu_virt_mem_rw(cpu, laddr, ar, NULL, len, false) |
| #define s390_cpu_virt_mem_check_write(cpu, laddr, ar, len) \ |
| s390_cpu_virt_mem_rw(cpu, laddr, ar, NULL, len, true) |
| void s390_cpu_virt_mem_handle_exc(S390CPU *cpu, uintptr_t ra); |
| |
| |
| /* sigp.c */ |
| int s390_cpu_restart(S390CPU *cpu); |
| void s390_init_sigp(void); |
| |
| |
| /* outside of target/s390x/ */ |
| S390CPU *s390_cpu_addr2state(uint16_t cpu_addr); |
| |
| #endif |
