X-Git-Url: https://git.proxmox.com/?a=blobdiff_plain;f=target%2Fs390x%2Fcpu.h;h=a1123ad621f42a5b2222af42049c042e891e10bf;hb=b073c87517d4d348c7bac0f0b35e8e83e6354d82;hp=8ab75c0d43eb6d8b5ed765fde5160893c1aeae4d;hpb=03f47ee49e1478b5ffffb3a9b6203c672903196c;p=mirror_qemu.git diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index 8ab75c0d43..a1123ad621 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -25,6 +25,7 @@ #include "qemu-common.h" #include "cpu-qom.h" +#include "cpu_models.h" #define TARGET_LONG_BITS 64 @@ -42,33 +43,29 @@ #include "fpu/softfloat.h" -#define NB_MMU_MODES 3 +#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 MAX_EXT_QUEUE 16 #define MAX_IO_QUEUE 16 #define MAX_MCHK_QUEUE 16 #define PSW_MCHK_MASK 0x0004000000000000 #define PSW_IO_MASK 0x0200000000000000 +#define S390_MAX_CPUS 248 + typedef struct PSW { uint64_t mask; uint64_t addr; } PSW; -typedef struct ExtQueue { - uint32_t code; - uint32_t param; - uint32_t param64; -} ExtQueue; - typedef struct IOIntQueue { uint16_t id; uint16_t nr; @@ -80,7 +77,7 @@ typedef struct MchkQueue { uint16_t type; } MchkQueue; -typedef struct CPUS390XState { +struct CPUS390XState { uint64_t regs[16]; /* GP registers */ /* * The floating point registers are part of the vector registers. @@ -89,12 +86,14 @@ typedef struct CPUS390XState { 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 */ /* 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 */ @@ -123,12 +122,13 @@ typedef struct CPUS390XState { uint64_t cregs[16]; /* control registers */ - ExtQueue ext_queue[MAX_EXT_QUEUE]; IOIntQueue io_queue[MAX_IO_QUEUE][8]; MchkQueue mchk_queue[MAX_MCHK_QUEUE]; int pending_int; - int ext_index; + uint32_t service_param; + uint16_t external_call_addr; + DECLARE_BITMAP(emergency_signals, S390_MAX_CPUS); int io_index[8]; int mchk_index; @@ -148,8 +148,10 @@ typedef struct CPUS390XState { CPU_COMMON - uint32_t cpu_num; +#if !defined(CONFIG_USER_ONLY) + uint32_t core_id; /* PoP "CPU address", same as cpu_index */ uint64_t cpuid; +#endif uint64_t tod_offset; uint64_t tod_basetime; @@ -173,7 +175,7 @@ typedef struct CPUS390XState { /* currently processed sigp order */ uint8_t sigp_order; -} CPUS390XState; +}; static inline CPU_DoubleU *get_freg(CPUS390XState *cs, int nr) { @@ -192,7 +194,6 @@ struct S390CPU { /*< public >*/ CPUS390XState env; - int64_t id; S390CPUModel *model; /* needed for live migration */ void *irqstate; @@ -212,22 +213,6 @@ static inline S390CPU *s390_env_get_cpu(CPUS390XState *env) extern const struct VMStateDescription vmstate_s390_cpu; #endif -void s390_cpu_do_interrupt(CPUState *cpu); -bool s390_cpu_exec_interrupt(CPUState *cpu, int int_req); -void s390_cpu_dump_state(CPUState *cpu, FILE *f, fprintf_function cpu_fprintf, - int flags); -int s390_cpu_write_elf64_note(WriteCoreDumpFunction f, CPUState *cs, - int cpuid, void *opaque); - -hwaddr s390_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr); -hwaddr s390_cpu_get_phys_addr_debug(CPUState *cpu, vaddr addr); -int s390_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg); -int s390_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg); -void s390_cpu_gdb_init(CPUState *cs); -void s390x_cpu_debug_excp_handler(CPUState *cs); - -#include "sysemu/kvm.h" - /* distinguish between 24 bit and 31 bit addressing */ #define HIGH_ORDER_BIT 0x80000000 @@ -307,6 +292,7 @@ void s390x_cpu_debug_excp_handler(CPUState *cs); #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 @@ -324,6 +310,7 @@ void s390x_cpu_debug_excp_handler(CPUState *cs); #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 @@ -359,22 +346,20 @@ void s390x_cpu_debug_excp_handler(CPUState *cs); #define CR0_LOWPROT 0x0000000010000000ULL #define CR0_SECONDARY 0x0000000004000000ULL #define CR0_EDAT 0x0000000000800000ULL +#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 - -static inline bool psw_key_valid(CPUS390XState *env, uint8_t psw_key) -{ - uint16_t pkm = env->cregs[3] >> 16; - - if (env->psw.mask & PSW_MASK_PSTATE) { - /* PSW key has range 0..15, it is valid if the bit is 1 in the PKM */ - return pkm & (0x80 >> psw_key); - } - return true; -} +#define MMU_REAL_IDX 3 static inline int cpu_mmu_index(CPUS390XState *env, bool ifetch) { @@ -392,20 +377,6 @@ static inline int cpu_mmu_index(CPUS390XState *env, bool ifetch) } } -static inline uint64_t cpu_mmu_idx_to_asc(int mmu_idx) -{ - switch (mmu_idx) { - case MMU_PRIMARY_IDX: - return PSW_ASC_PRIMARY; - case MMU_SECONDARY_IDX: - return PSW_ASC_SECONDARY; - case MMU_HOME_IDX: - return PSW_ASC_HOME; - default: - abort(); - } -} - static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc, target_ulong *cs_base, uint32_t *flags) { @@ -414,26 +385,6 @@ static inline void cpu_get_tb_cpu_state(CPUS390XState* env, target_ulong *pc, *flags = (env->psw.mask >> FLAG_MASK_PSW_SHIFT) & FLAG_MASK_PSW; } -#define MAX_ILEN 6 - -/* While the PoO talks about ILC (a number between 1-3) what is actually - stored in LowCore is shifted left one bit (an even between 2-6). As - this is the actual length of the insn and therefore more useful, that - is what we want to pass around and manipulate. To make sure that we - have applied this distinction universally, rename the "ILC" to "ILEN". */ -static inline int get_ilen(uint8_t opc) -{ - switch (opc >> 6) { - case 0: - return 2; - case 1: - case 2: - return 4; - default: - return 6; - } -} - /* PER bits from control register 9 */ #define PER_CR9_EVENT_BRANCH 0x80000000 #define PER_CR9_EVENT_IFETCH 0x40000000 @@ -450,218 +401,23 @@ static inline int get_ilen(uint8_t opc) #define PER_CODE_EVENT_STORE_REAL 0x0800 #define PER_CODE_EVENT_NULLIFICATION 0x0100 -/* Compute the ATMID field that is stored in the per_perc_atmid lowcore - entry when a PER exception is triggered. */ -static inline uint8_t get_per_atmid(CPUS390XState *env) -{ - return ((env->psw.mask & PSW_MASK_64) ? (1 << 7) : 0) | - ( (1 << 6) ) | - ((env->psw.mask & PSW_MASK_32) ? (1 << 5) : 0) | - ((env->psw.mask & PSW_MASK_DAT)? (1 << 4) : 0) | - ((env->psw.mask & PSW_ASC_SECONDARY)? (1 << 3) : 0) | - ((env->psw.mask & PSW_ASC_ACCREG)? (1 << 2) : 0); -} - -/* Check if an address is within the PER starting address and the PER - ending address. The address range might loop. */ -static inline bool get_per_in_range(CPUS390XState *env, uint64_t addr) -{ - if (env->cregs[10] <= env->cregs[11]) { - return env->cregs[10] <= addr && addr <= env->cregs[11]; - } else { - return env->cregs[10] <= addr || addr <= env->cregs[11]; - } -} - -#ifndef CONFIG_USER_ONLY -void trigger_pgm_exception(CPUS390XState *env, uint32_t code, uint32_t ilen); -#endif - -S390CPU *cpu_s390x_init(const char *cpu_model); -S390CPU *s390x_new_cpu(const char *cpu_model, int64_t id, Error **errp); -S390CPU *cpu_s390x_create(const char *cpu_model, Error **errp); -void s390x_translate_init(void); - -/* 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); -int s390_cpu_handle_mmu_fault(CPUState *cpu, vaddr address, int rw, - int mmu_idx); - - -#ifndef CONFIG_USER_ONLY -void do_restart_interrupt(CPUS390XState *env); -void s390x_cpu_do_unaligned_access(CPUState *cs, vaddr addr, - MMUAccessType access_type, - int mmu_idx, uintptr_t retaddr); - -static inline hwaddr decode_basedisp_s(CPUS390XState *env, uint32_t ipb, - uint8_t *ar) -{ - hwaddr addr = 0; - uint8_t reg; - - reg = ipb >> 28; - if (reg > 0) { - addr = env->regs[reg]; - } - addr += (ipb >> 16) & 0xfff; - if (ar) { - *ar = reg; - } - - return addr; -} - -/* Base/displacement are at the same locations. */ -#define decode_basedisp_rs decode_basedisp_s - -/* helper functions for run_on_cpu() */ -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_full_reset(CPUState *cs, run_on_cpu_data arg) -{ - cpu_reset(cs); -} - -void s390x_tod_timer(void *opaque); -void s390x_cpu_timer(void *opaque); - -int s390_virtio_hypercall(CPUS390XState *env); - -#ifdef CONFIG_KVM -void kvm_s390_service_interrupt(uint32_t parm); -void kvm_s390_vcpu_interrupt(S390CPU *cpu, struct kvm_s390_irq *irq); -void kvm_s390_floating_interrupt(struct kvm_s390_irq *irq); -int kvm_s390_inject_flic(struct kvm_s390_irq *irq); -void kvm_s390_access_exception(S390CPU *cpu, uint16_t code, uint64_t te_code); -int kvm_s390_mem_op(S390CPU *cpu, vaddr addr, uint8_t ar, void *hostbuf, - int len, bool is_write); -int kvm_s390_get_clock(uint8_t *tod_high, uint64_t *tod_clock); -int kvm_s390_set_clock(uint8_t *tod_high, uint64_t *tod_clock); -#else -static inline void kvm_s390_service_interrupt(uint32_t parm) -{ -} -static inline int kvm_s390_get_clock(uint8_t *tod_high, uint64_t *tod_low) -{ - return -ENOSYS; -} -static inline int kvm_s390_set_clock(uint8_t *tod_high, uint64_t *tod_low) -{ - return -ENOSYS; -} -static inline int kvm_s390_mem_op(S390CPU *cpu, vaddr addr, uint8_t ar, - void *hostbuf, int len, bool is_write) -{ - return -ENOSYS; -} -static inline void kvm_s390_access_exception(S390CPU *cpu, uint16_t code, - uint64_t te_code) -{ -} -#endif - -static inline int s390_get_clock(uint8_t *tod_high, uint64_t *tod_low) -{ - if (kvm_enabled()) { - return kvm_s390_get_clock(tod_high, tod_low); - } - /* Fixme TCG */ - *tod_high = 0; - *tod_low = 0; - return 0; -} - -static inline int s390_set_clock(uint8_t *tod_high, uint64_t *tod_low) -{ - if (kvm_enabled()) { - return kvm_s390_set_clock(tod_high, tod_low); - } - /* Fixme TCG */ - return 0; -} - -S390CPU *s390_cpu_addr2state(uint16_t cpu_addr); -unsigned int s390_cpu_halt(S390CPU *cpu); -void s390_cpu_unhalt(S390CPU *cpu); -unsigned int s390_cpu_set_state(uint8_t cpu_state, S390CPU *cpu); -static inline uint8_t s390_cpu_get_state(S390CPU *cpu) -{ - return cpu->env.cpu_state; -} - -void gtod_save(QEMUFile *f, void *opaque); -int gtod_load(QEMUFile *f, void *opaque, int version_id); - -void cpu_inject_ext(S390CPU *cpu, uint32_t code, uint32_t param, - uint64_t param64); - -/* ioinst.c */ -void ioinst_handle_xsch(S390CPU *cpu, uint64_t reg1); -void ioinst_handle_csch(S390CPU *cpu, uint64_t reg1); -void ioinst_handle_hsch(S390CPU *cpu, uint64_t reg1); -void ioinst_handle_msch(S390CPU *cpu, uint64_t reg1, uint32_t ipb); -void ioinst_handle_ssch(S390CPU *cpu, uint64_t reg1, uint32_t ipb); -void ioinst_handle_stcrw(S390CPU *cpu, uint32_t ipb); -void ioinst_handle_stsch(S390CPU *cpu, uint64_t reg1, uint32_t ipb); -int ioinst_handle_tsch(S390CPU *cpu, uint64_t reg1, uint32_t ipb); -void ioinst_handle_chsc(S390CPU *cpu, uint32_t ipb); -int ioinst_handle_tpi(S390CPU *cpu, uint32_t ipb); -void ioinst_handle_schm(S390CPU *cpu, uint64_t reg1, uint64_t reg2, - uint32_t ipb); -void ioinst_handle_rsch(S390CPU *cpu, uint64_t reg1); -void ioinst_handle_rchp(S390CPU *cpu, uint64_t reg1); -void ioinst_handle_sal(S390CPU *cpu, uint64_t reg1); - -/* service interrupts are floating therefore we must not pass an cpustate */ -void s390_sclp_extint(uint32_t parm); - -#else -static inline unsigned int s390_cpu_halt(S390CPU *cpu) -{ - return 0; -} - -static inline void s390_cpu_unhalt(S390CPU *cpu) -{ -} - -static inline unsigned int s390_cpu_set_state(uint8_t cpu_state, S390CPU *cpu) -{ - return 0; -} -#endif - -extern void subsystem_reset(void); - -#define cpu_init(model) CPU(cpu_s390x_init(model)) -#define cpu_signal_handler cpu_s390x_signal_handler - -void s390_cpu_list(FILE *f, fprintf_function cpu_fprintf); -#define cpu_list s390_cpu_list -void s390_cpu_model_register_props(Object *obj); -void s390_cpu_model_class_register_props(ObjectClass *oc); -void s390_realize_cpu_model(CPUState *cs, Error **errp); -ObjectClass *s390_cpu_class_by_name(const char *name); - #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 (1 << 0) -#define INTERRUPT_TOD (1 << 1) -#define INTERRUPT_CPUTIMER (1 << 2) -#define INTERRUPT_IO (1 << 3) -#define INTERRUPT_MCHK (1 << 4) +#define INTERRUPT_IO (1 << 0) +#define INTERRUPT_MCHK (1 << 1) +#define INTERRUPT_EXT_SERVICE (1 << 2) +#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 @@ -686,115 +442,6 @@ ObjectClass *s390_cpu_class_by_name(const char *name); /* Total Core Registers. */ #define S390_NUM_CORE_REGS 18 -/* CC optimization */ - -/* Instead of computing the condition codes after each x86 instruction, - * QEMU just stores the result (called CC_DST), the type of operation - * (called CC_OP) and whatever operands are needed (CC_SRC and possibly - * CC_VR). When the condition codes are needed, the condition codes can - * be calculated using this information. Condition codes are not generated - * if they are only needed for conditional branches. - */ -enum cc_op { - CC_OP_CONST0 = 0, /* CC is 0 */ - CC_OP_CONST1, /* CC is 1 */ - CC_OP_CONST2, /* CC is 2 */ - CC_OP_CONST3, /* CC is 3 */ - - CC_OP_DYNAMIC, /* CC calculation defined by env->cc_op */ - CC_OP_STATIC, /* CC value is env->cc_op */ - - CC_OP_NZ, /* env->cc_dst != 0 */ - CC_OP_LTGT_32, /* signed less/greater than (32bit) */ - CC_OP_LTGT_64, /* signed less/greater than (64bit) */ - CC_OP_LTUGTU_32, /* unsigned less/greater than (32bit) */ - CC_OP_LTUGTU_64, /* unsigned less/greater than (64bit) */ - CC_OP_LTGT0_32, /* signed less/greater than 0 (32bit) */ - CC_OP_LTGT0_64, /* signed less/greater than 0 (64bit) */ - - CC_OP_ADD_64, /* overflow on add (64bit) */ - CC_OP_ADDU_64, /* overflow on unsigned add (64bit) */ - CC_OP_ADDC_64, /* overflow on unsigned add-carry (64bit) */ - CC_OP_SUB_64, /* overflow on subtraction (64bit) */ - CC_OP_SUBU_64, /* overflow on unsigned subtraction (64bit) */ - CC_OP_SUBB_64, /* overflow on unsigned sub-borrow (64bit) */ - CC_OP_ABS_64, /* sign eval on abs (64bit) */ - CC_OP_NABS_64, /* sign eval on nabs (64bit) */ - - CC_OP_ADD_32, /* overflow on add (32bit) */ - CC_OP_ADDU_32, /* overflow on unsigned add (32bit) */ - CC_OP_ADDC_32, /* overflow on unsigned add-carry (32bit) */ - CC_OP_SUB_32, /* overflow on subtraction (32bit) */ - CC_OP_SUBU_32, /* overflow on unsigned subtraction (32bit) */ - CC_OP_SUBB_32, /* overflow on unsigned sub-borrow (32bit) */ - CC_OP_ABS_32, /* sign eval on abs (64bit) */ - CC_OP_NABS_32, /* sign eval on nabs (64bit) */ - - CC_OP_COMP_32, /* complement */ - CC_OP_COMP_64, /* complement */ - - CC_OP_TM_32, /* test under mask (32bit) */ - CC_OP_TM_64, /* test under mask (64bit) */ - - CC_OP_NZ_F32, /* FP dst != 0 (32bit) */ - CC_OP_NZ_F64, /* FP dst != 0 (64bit) */ - CC_OP_NZ_F128, /* FP dst != 0 (128bit) */ - - CC_OP_ICM, /* insert characters under mask */ - CC_OP_SLA_32, /* Calculate shift left signed (32bit) */ - CC_OP_SLA_64, /* Calculate shift left signed (64bit) */ - CC_OP_FLOGR, /* find leftmost one */ - CC_OP_MAX -}; - -static const char *cc_names[] = { - [CC_OP_CONST0] = "CC_OP_CONST0", - [CC_OP_CONST1] = "CC_OP_CONST1", - [CC_OP_CONST2] = "CC_OP_CONST2", - [CC_OP_CONST3] = "CC_OP_CONST3", - [CC_OP_DYNAMIC] = "CC_OP_DYNAMIC", - [CC_OP_STATIC] = "CC_OP_STATIC", - [CC_OP_NZ] = "CC_OP_NZ", - [CC_OP_LTGT_32] = "CC_OP_LTGT_32", - [CC_OP_LTGT_64] = "CC_OP_LTGT_64", - [CC_OP_LTUGTU_32] = "CC_OP_LTUGTU_32", - [CC_OP_LTUGTU_64] = "CC_OP_LTUGTU_64", - [CC_OP_LTGT0_32] = "CC_OP_LTGT0_32", - [CC_OP_LTGT0_64] = "CC_OP_LTGT0_64", - [CC_OP_ADD_64] = "CC_OP_ADD_64", - [CC_OP_ADDU_64] = "CC_OP_ADDU_64", - [CC_OP_ADDC_64] = "CC_OP_ADDC_64", - [CC_OP_SUB_64] = "CC_OP_SUB_64", - [CC_OP_SUBU_64] = "CC_OP_SUBU_64", - [CC_OP_SUBB_64] = "CC_OP_SUBB_64", - [CC_OP_ABS_64] = "CC_OP_ABS_64", - [CC_OP_NABS_64] = "CC_OP_NABS_64", - [CC_OP_ADD_32] = "CC_OP_ADD_32", - [CC_OP_ADDU_32] = "CC_OP_ADDU_32", - [CC_OP_ADDC_32] = "CC_OP_ADDC_32", - [CC_OP_SUB_32] = "CC_OP_SUB_32", - [CC_OP_SUBU_32] = "CC_OP_SUBU_32", - [CC_OP_SUBB_32] = "CC_OP_SUBB_32", - [CC_OP_ABS_32] = "CC_OP_ABS_32", - [CC_OP_NABS_32] = "CC_OP_NABS_32", - [CC_OP_COMP_32] = "CC_OP_COMP_32", - [CC_OP_COMP_64] = "CC_OP_COMP_64", - [CC_OP_TM_32] = "CC_OP_TM_32", - [CC_OP_TM_64] = "CC_OP_TM_64", - [CC_OP_NZ_F32] = "CC_OP_NZ_F32", - [CC_OP_NZ_F64] = "CC_OP_NZ_F64", - [CC_OP_NZ_F128] = "CC_OP_NZ_F128", - [CC_OP_ICM] = "CC_OP_ICM", - [CC_OP_SLA_32] = "CC_OP_SLA_32", - [CC_OP_SLA_64] = "CC_OP_SLA_64", - [CC_OP_FLOGR] = "CC_OP_FLOGR", -}; - -static inline const char *cc_name(int cc_op) -{ - return cc_names[cc_op]; -} - static inline void setcc(S390CPU *cpu, uint64_t cc) { CPUS390XState *env = &cpu->env; @@ -804,123 +451,6 @@ static inline void setcc(S390CPU *cpu, uint64_t cc) env->cc_op = cc; } -typedef struct LowCore -{ - /* prefix area: defined by architecture */ - uint32_t ccw1[2]; /* 0x000 */ - uint32_t ccw2[4]; /* 0x008 */ - uint8_t pad1[0x80-0x18]; /* 0x018 */ - uint32_t ext_params; /* 0x080 */ - uint16_t cpu_addr; /* 0x084 */ - uint16_t ext_int_code; /* 0x086 */ - uint16_t svc_ilen; /* 0x088 */ - uint16_t svc_code; /* 0x08a */ - uint16_t pgm_ilen; /* 0x08c */ - uint16_t pgm_code; /* 0x08e */ - uint32_t data_exc_code; /* 0x090 */ - uint16_t mon_class_num; /* 0x094 */ - uint16_t per_perc_atmid; /* 0x096 */ - uint64_t per_address; /* 0x098 */ - uint8_t exc_access_id; /* 0x0a0 */ - uint8_t per_access_id; /* 0x0a1 */ - uint8_t op_access_id; /* 0x0a2 */ - uint8_t ar_access_id; /* 0x0a3 */ - uint8_t pad2[0xA8-0xA4]; /* 0x0a4 */ - uint64_t trans_exc_code; /* 0x0a8 */ - uint64_t monitor_code; /* 0x0b0 */ - uint16_t subchannel_id; /* 0x0b8 */ - uint16_t subchannel_nr; /* 0x0ba */ - uint32_t io_int_parm; /* 0x0bc */ - uint32_t io_int_word; /* 0x0c0 */ - uint8_t pad3[0xc8-0xc4]; /* 0x0c4 */ - uint32_t stfl_fac_list; /* 0x0c8 */ - uint8_t pad4[0xe8-0xcc]; /* 0x0cc */ - uint32_t mcck_interruption_code[2]; /* 0x0e8 */ - uint8_t pad5[0xf4-0xf0]; /* 0x0f0 */ - uint32_t external_damage_code; /* 0x0f4 */ - uint64_t failing_storage_address; /* 0x0f8 */ - uint8_t pad6[0x110-0x100]; /* 0x100 */ - uint64_t per_breaking_event_addr; /* 0x110 */ - uint8_t pad7[0x120-0x118]; /* 0x118 */ - PSW restart_old_psw; /* 0x120 */ - PSW external_old_psw; /* 0x130 */ - PSW svc_old_psw; /* 0x140 */ - PSW program_old_psw; /* 0x150 */ - PSW mcck_old_psw; /* 0x160 */ - PSW io_old_psw; /* 0x170 */ - uint8_t pad8[0x1a0-0x180]; /* 0x180 */ - PSW restart_new_psw; /* 0x1a0 */ - PSW external_new_psw; /* 0x1b0 */ - PSW svc_new_psw; /* 0x1c0 */ - PSW program_new_psw; /* 0x1d0 */ - PSW mcck_new_psw; /* 0x1e0 */ - PSW io_new_psw; /* 0x1f0 */ - PSW return_psw; /* 0x200 */ - uint8_t irb[64]; /* 0x210 */ - uint64_t sync_enter_timer; /* 0x250 */ - uint64_t async_enter_timer; /* 0x258 */ - uint64_t exit_timer; /* 0x260 */ - uint64_t last_update_timer; /* 0x268 */ - uint64_t user_timer; /* 0x270 */ - uint64_t system_timer; /* 0x278 */ - uint64_t last_update_clock; /* 0x280 */ - uint64_t steal_clock; /* 0x288 */ - PSW return_mcck_psw; /* 0x290 */ - uint8_t pad9[0xc00-0x2a0]; /* 0x2a0 */ - /* System info area */ - uint64_t save_area[16]; /* 0xc00 */ - uint8_t pad10[0xd40-0xc80]; /* 0xc80 */ - uint64_t kernel_stack; /* 0xd40 */ - uint64_t thread_info; /* 0xd48 */ - uint64_t async_stack; /* 0xd50 */ - uint64_t kernel_asce; /* 0xd58 */ - uint64_t user_asce; /* 0xd60 */ - uint64_t panic_stack; /* 0xd68 */ - uint64_t user_exec_asce; /* 0xd70 */ - uint8_t pad11[0xdc0-0xd78]; /* 0xd78 */ - - /* SMP info area: defined by DJB */ - uint64_t clock_comparator; /* 0xdc0 */ - uint64_t ext_call_fast; /* 0xdc8 */ - uint64_t percpu_offset; /* 0xdd0 */ - uint64_t current_task; /* 0xdd8 */ - uint32_t softirq_pending; /* 0xde0 */ - uint32_t pad_0x0de4; /* 0xde4 */ - uint64_t int_clock; /* 0xde8 */ - uint8_t pad12[0xe00-0xdf0]; /* 0xdf0 */ - - /* 0xe00 is used as indicator for dump tools */ - /* whether the kernel died with panic() or not */ - uint32_t panic_magic; /* 0xe00 */ - - uint8_t pad13[0x11b8-0xe04]; /* 0xe04 */ - - /* 64 bit extparam used for pfault, diag 250 etc */ - uint64_t ext_params2; /* 0x11B8 */ - - uint8_t pad14[0x1200-0x11C0]; /* 0x11C0 */ - - /* System info area */ - - uint64_t floating_pt_save_area[16]; /* 0x1200 */ - uint64_t gpregs_save_area[16]; /* 0x1280 */ - uint32_t st_status_fixed_logout[4]; /* 0x1300 */ - uint8_t pad15[0x1318-0x1310]; /* 0x1310 */ - uint32_t prefixreg_save_area; /* 0x1318 */ - uint32_t fpt_creg_save_area; /* 0x131c */ - uint8_t pad16[0x1324-0x1320]; /* 0x1320 */ - uint32_t tod_progreg_save_area; /* 0x1324 */ - uint32_t cpu_timer_save_area[2]; /* 0x1328 */ - uint32_t clock_comp_save_area[2]; /* 0x1330 */ - uint8_t pad17[0x1340-0x1338]; /* 0x1338 */ - uint32_t access_regs_save_area[16]; /* 0x1340 */ - uint64_t cregs_save_area[16]; /* 0x1380 */ - - /* align to the top of the prefix area */ - - uint8_t pad18[0x2000-0x1400]; /* 0x1400 */ -} QEMU_PACKED LowCore; - /* STSI */ #define STSI_LEVEL_MASK 0x00000000f0000000ULL #define STSI_LEVEL_CURRENT 0x0000000000000000ULL @@ -1068,6 +598,8 @@ struct sysib_322 { #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 */ @@ -1078,6 +610,7 @@ struct sysib_322 { /* 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 @@ -1096,199 +629,10 @@ struct sysib_322 { /* SIGP order code mask corresponding to bit positions 56-63 */ #define SIGP_ORDER_MASK 0x000000ff -void load_psw(CPUS390XState *env, uint64_t mask, uint64_t addr); -target_ulong mmu_real2abs(CPUS390XState *env, target_ulong raddr); -int mmu_translate(CPUS390XState *env, target_ulong vaddr, int rw, uint64_t asc, - target_ulong *raddr, int *flags, bool exc); -int sclp_service_call(CPUS390XState *env, uint64_t sccb, uint32_t code); -uint32_t calc_cc(CPUS390XState *env, uint32_t cc_op, uint64_t src, uint64_t dst, - uint64_t vr); -void s390_cpu_recompute_watchpoints(CPUState *cs); - -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_write(cpu, laddr, ar, len) \ - s390_cpu_virt_mem_rw(cpu, laddr, ar, NULL, len, true) - -/* The value of the TOD clock for 1.1.1970. */ -#define TOD_UNIX_EPOCH 0x7d91048bca000000ULL - -/* Converts ns to s390's clock format */ -static inline uint64_t time2tod(uint64_t ns) { - return (ns << 9) / 125; -} - -/* Converts s390's clock format to ns */ -static inline uint64_t tod2time(uint64_t t) { - return (t * 125) >> 9; -} - /* from s390-virtio-ccw */ #define MEM_SECTION_SIZE 0x10000000UL #define MAX_AVAIL_SLOTS 32 -/* fpu_helper.c */ -uint32_t set_cc_nz_f32(float32 v); -uint32_t set_cc_nz_f64(float64 v); -uint32_t set_cc_nz_f128(float128 v); - -/* misc_helper.c */ -#ifndef CONFIG_USER_ONLY -int handle_diag_288(CPUS390XState *env, uint64_t r1, uint64_t r3); -void handle_diag_308(CPUS390XState *env, uint64_t r1, uint64_t r3); -#endif -/* automatically detect the instruction length */ -#define ILEN_AUTO 0xff -void program_interrupt(CPUS390XState *env, uint32_t code, int ilen); -void QEMU_NORETURN runtime_exception(CPUS390XState *env, int excp, - uintptr_t retaddr); - -#ifdef CONFIG_KVM -void kvm_s390_io_interrupt(uint16_t subchannel_id, - uint16_t subchannel_nr, uint32_t io_int_parm, - uint32_t io_int_word); -void kvm_s390_crw_mchk(void); -void kvm_s390_enable_css_support(S390CPU *cpu); -int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, uint32_t sch, - int vq, bool assign); -int kvm_s390_cpu_restart(S390CPU *cpu); -int kvm_s390_get_memslot_count(KVMState *s); -int kvm_s390_cmma_active(void); -void kvm_s390_cmma_reset(void); -int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state); -void kvm_s390_reset_vcpu(S390CPU *cpu); -int kvm_s390_set_mem_limit(KVMState *s, uint64_t new_limit, uint64_t *hw_limit); -void kvm_s390_vcpu_interrupt_pre_save(S390CPU *cpu); -int kvm_s390_vcpu_interrupt_post_load(S390CPU *cpu); -int kvm_s390_get_ri(void); -void kvm_s390_crypto_reset(void); -#else -static inline void kvm_s390_io_interrupt(uint16_t subchannel_id, - uint16_t subchannel_nr, - uint32_t io_int_parm, - uint32_t io_int_word) -{ -} -static inline void kvm_s390_crw_mchk(void) -{ -} -static inline void kvm_s390_enable_css_support(S390CPU *cpu) -{ -} -static inline int kvm_s390_assign_subch_ioeventfd(EventNotifier *notifier, - uint32_t sch, int vq, - bool assign) -{ - return -ENOSYS; -} -static inline int kvm_s390_cpu_restart(S390CPU *cpu) -{ - return -ENOSYS; -} -static inline void kvm_s390_cmma_reset(void) -{ -} -static inline int kvm_s390_get_memslot_count(KVMState *s) -{ - return MAX_AVAIL_SLOTS; -} -static inline int kvm_s390_set_cpu_state(S390CPU *cpu, uint8_t cpu_state) -{ - return -ENOSYS; -} -static inline void kvm_s390_reset_vcpu(S390CPU *cpu) -{ -} -static inline int kvm_s390_set_mem_limit(KVMState *s, uint64_t new_limit, - uint64_t *hw_limit) -{ - return 0; -} -static inline void kvm_s390_vcpu_interrupt_pre_save(S390CPU *cpu) -{ -} -static inline int kvm_s390_vcpu_interrupt_post_load(S390CPU *cpu) -{ - return 0; -} -static inline int kvm_s390_get_ri(void) -{ - return 0; -} -static inline void kvm_s390_crypto_reset(void) -{ -} -#endif - -static inline int s390_set_memory_limit(uint64_t new_limit, uint64_t *hw_limit) -{ - if (kvm_enabled()) { - return kvm_s390_set_mem_limit(kvm_state, new_limit, hw_limit); - } - return 0; -} - -static inline void s390_cmma_reset(void) -{ - if (kvm_enabled()) { - kvm_s390_cmma_reset(); - } -} - -static inline int s390_cpu_restart(S390CPU *cpu) -{ - if (kvm_enabled()) { - return kvm_s390_cpu_restart(cpu); - } - return -ENOSYS; -} - -static inline int s390_get_memslot_count(KVMState *s) -{ - if (kvm_enabled()) { - return kvm_s390_get_memslot_count(s); - } else { - return MAX_AVAIL_SLOTS; - } -} - -void s390_io_interrupt(uint16_t subchannel_id, uint16_t subchannel_nr, - uint32_t io_int_parm, uint32_t io_int_word); -void s390_crw_mchk(void); - -static inline int s390_assign_subch_ioeventfd(EventNotifier *notifier, - uint32_t sch_id, int vq, - bool assign) -{ - if (kvm_enabled()) { - return kvm_s390_assign_subch_ioeventfd(notifier, sch_id, vq, assign); - } else { - return 0; - } -} - -static inline void s390_crypto_reset(void) -{ - if (kvm_enabled()) { - kvm_s390_crypto_reset(); - } -} - -static inline bool s390_get_squash_mcss(void) -{ - if (object_property_get_bool(OBJECT(qdev_get_machine()), "s390-squash-mcss", - NULL)) { - return true; - } - - return false; -} - /* machine check interruption code */ /* subclasses */ @@ -1328,9 +672,107 @@ static inline bool s390_get_squash_mcss(void) #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; +} + + +/* cpu.c */ +int s390_get_clock(uint8_t *tod_high, uint64_t *tod_low); +int s390_set_clock(uint8_t *tod_high, uint64_t *tod_low); +void s390_crypto_reset(void); +bool s390_get_squash_mcss(void); +int s390_get_memslot_count(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 */ + + +/* 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 cpu_init(cpu_model) cpu_generic_init(TYPE_S390_CPU, cpu_model) + +#define S390_CPU_TYPE_SUFFIX "-" TYPE_S390_CPU +#define S390_CPU_TYPE_NAME(name) (name S390_CPU_TYPE_SUFFIX) + +/* 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