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Re: [Qemu-devel] [PATCH 09/15] s390x: Prepare cpu.h for emulation
|
From: |
Aurelien Jarno |
|
Subject: |
Re: [Qemu-devel] [PATCH 09/15] s390x: Prepare cpu.h for emulation |
|
Date: |
Tue, 12 Apr 2011 23:32:23 +0200 |
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User-agent: |
Mutt/1.5.20 (2009-06-14) |
On Mon, Apr 04, 2011 at 04:32:18PM +0200, Alexander Graf wrote:
> We need to add some more logic to the CPU description to leverage emulation
> of an s390x CPU. This patch adds all the required helpers, fields in CPUState
> and constant definitions required for user and system emulation.
>
> Signed-off-by: Alexander Graf <address@hidden>
>
> ---
>
> v1 -> v2:
>
> - remove FPReg definition
> - remove EXCP_EXECUTE_SVC in non user-mode
> - add descriptions to more cc_ops
> - add comment on time2tod
> - remove redundant EXECUTE_SVC
> - describe EXCP_EXT
> ---
> target-s390x/cpu.h | 770
> +++++++++++++++++++++++++++++++++++++++++++++++++---
> 1 files changed, 726 insertions(+), 44 deletions(-)
It's difficult to put a Reviewed-by: entry given I don't understand all
the details about s390, but it looks fine for me.
> diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
> index e47c372..0d9c4f2 100644
> --- a/target-s390x/cpu.h
> +++ b/target-s390x/cpu.h
> @@ -26,24 +26,35 @@
> #define CPUState struct CPUS390XState
>
> #include "cpu-defs.h"
> +#define TARGET_PAGE_BITS 12
> +
> +#define TARGET_PHYS_ADDR_SPACE_BITS 64
> +#define TARGET_VIRT_ADDR_SPACE_BITS 64
> +
> +#include "cpu-all.h"
>
> #include "softfloat.h"
>
> -#define NB_MMU_MODES 2
> +#define NB_MMU_MODES 3
>
> -typedef union FPReg {
> - struct {
> -#ifdef WORDS_BIGENDIAN
> - float32 e;
> - int32_t __pad;
> -#else
> - int32_t __pad;
> - float32 e;
> -#endif
> - };
> - float64 d;
> - uint64_t i;
> -} FPReg;
> +#define MMU_MODE0_SUFFIX _primary
> +#define MMU_MODE1_SUFFIX _secondary
> +#define MMU_MODE2_SUFFIX _home
> +
> +#define MMU_USER_IDX 1
> +
> +#define MAX_EXT_QUEUE 16
> +
> +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 CPUS390XState {
> uint64_t regs[16]; /* GP registers */
> @@ -51,17 +62,41 @@ typedef struct CPUS390XState {
> uint32_t aregs[16]; /* access registers */
>
> uint32_t fpc; /* floating-point control register */
> - FPReg fregs[16]; /* FP registers */
> + CPU_DoubleU fregs[16]; /* FP registers */
> float_status fpu_status; /* passed to softfloat lib */
>
> - struct {
> - uint64_t mask;
> - uint64_t addr;
> - } psw;
> + PSW psw;
>
> - int cc; /* condition code (0-3) */
> + uint32_t cc_op;
> + uint64_t cc_src;
> + uint64_t cc_dst;
> + uint64_t cc_vr;
>
> uint64_t __excp_addr;
> + uint64_t psa;
> +
> + uint32_t int_pgm_code;
> + uint32_t int_pgm_ilc;
> +
> + uint32_t int_svc_code;
> + uint32_t int_svc_ilc;
> +
> + uint64_t cregs[16]; /* control registers */
> +
> + int pending_int;
> + ExtQueue ext_queue[MAX_EXT_QUEUE];
> +
> + /* reset does memset(0) up to here */
> +
> + int ext_index;
> + int cpu_num;
> + uint8_t *storage_keys;
> +
> + uint64_t tod_offset;
> + uint64_t tod_basetime;
> + QEMUTimer *tod_timer;
> +
> + QEMUTimer *cpu_timer;
>
> CPU_COMMON
> } CPUS390XState;
> @@ -69,24 +104,174 @@ typedef struct CPUS390XState {
> #if defined(CONFIG_USER_ONLY)
> static inline void cpu_clone_regs(CPUState *env, target_ulong newsp)
> {
> - if (newsp)
> + if (newsp) {
> env->regs[15] = newsp;
> + }
> env->regs[0] = 0;
> }
> #endif
>
> -#define MMU_MODE0_SUFFIX _kernel
> -#define MMU_MODE1_SUFFIX _user
> -#define MMU_USER_IDX 1
> +/* 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_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_MASK_CC
> +#undef PSW_MASK_PM
> +#undef PSW_MASK_64
> +
> +#define PSW_MASK_PER 0x4000000000000000ULL
> +#define PSW_MASK_DAT 0x0400000000000000ULL
> +#define PSW_MASK_IO 0x0200000000000000ULL
> +#define PSW_MASK_EXT 0x0100000000000000ULL
> +#define PSW_MASK_KEY 0x00F0000000000000ULL
> +#define PSW_SHIFT_KEY 56
> +#define PSW_MASK_MCHECK 0x0004000000000000ULL
> +#define PSW_MASK_WAIT 0x0002000000000000ULL
> +#define PSW_MASK_PSTATE 0x0001000000000000ULL
> +#define PSW_MASK_ASC 0x0000C00000000000ULL
> +#define PSW_MASK_CC 0x0000300000000000ULL
> +#define PSW_MASK_PM 0x00000F0000000000ULL
> +#define PSW_MASK_64 0x0000000100000000ULL
> +#define PSW_MASK_32 0x0000000080000000ULL
> +
> +#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
> +
> +/* tb flags */
> +
> +#define FLAG_MASK_PER (PSW_MASK_PER >> 32)
> +#define FLAG_MASK_DAT (PSW_MASK_DAT >> 32)
> +#define FLAG_MASK_IO (PSW_MASK_IO >> 32)
> +#define FLAG_MASK_EXT (PSW_MASK_EXT >> 32)
> +#define FLAG_MASK_KEY (PSW_MASK_KEY >> 32)
> +#define FLAG_MASK_MCHECK (PSW_MASK_MCHECK >> 32)
> +#define FLAG_MASK_WAIT (PSW_MASK_WAIT >> 32)
> +#define FLAG_MASK_PSTATE (PSW_MASK_PSTATE >> 32)
> +#define FLAG_MASK_ASC (PSW_MASK_ASC >> 32)
> +#define FLAG_MASK_CC (PSW_MASK_CC >> 32)
> +#define FLAG_MASK_PM (PSW_MASK_PM >> 32)
> +#define FLAG_MASK_64 (PSW_MASK_64 >> 32)
> +#define FLAG_MASK_32 0x00001000
> +
> static inline int cpu_mmu_index (CPUState *env)
> {
> - /* XXX: Currently we don't implement virtual memory */
> + if (env->psw.mask & PSW_MASK_PSTATE) {
> + return 1;
> + }
> +
> return 0;
> }
>
> +static inline void cpu_get_tb_cpu_state(CPUState* env, target_ulong *pc,
> + target_ulong *cs_base, int *flags)
> +{
> + *pc = env->psw.addr;
> + *cs_base = 0;
> + *flags = ((env->psw.mask >> 32) & ~FLAG_MASK_CC) |
> + ((env->psw.mask & PSW_MASK_32) ? FLAG_MASK_32 : 0);
> +}
> +
> +static inline int get_ilc(uint8_t opc)
> +{
> + switch (opc >> 6) {
> + case 0:
> + return 1;
> + case 1:
> + case 2:
> + return 2;
> + case 3:
> + return 3;
> + }
> +
> + return 0;
> +}
> +
> +#define ILC_LATER 0x20
> +#define ILC_LATER_INC 0x21
> +#define ILC_LATER_INC_2 0x22
> +
> +
> CPUS390XState *cpu_s390x_init(const char *cpu_model);
> +void s390x_translate_init(void);
> int cpu_s390x_exec(CPUS390XState *s);
> void cpu_s390x_close(CPUS390XState *s);
> +void do_interrupt (CPUState *env);
>
> /* you can call this signal handler from your SIGBUS and SIGSEGV
> signal handlers to inform the virtual CPU of exceptions. non zero
> @@ -97,41 +282,60 @@ int cpu_s390x_handle_mmu_fault (CPUS390XState *env,
> target_ulong address, int rw
> int mmu_idx, int is_softmuu);
> #define cpu_handle_mmu_fault cpu_s390x_handle_mmu_fault
>
> -#define TARGET_PAGE_BITS 12
> -
> -/* ??? This is certainly wrong for 64-bit s390x, but given that only KVM
> - emulation actually works, this is good enough for a placeholder. */
> -#define TARGET_PHYS_ADDR_SPACE_BITS 32
> -#define TARGET_VIRT_ADDR_SPACE_BITS 32
>
> #ifndef CONFIG_USER_ONLY
> -int s390_virtio_hypercall(CPUState *env);
> +int s390_virtio_hypercall(CPUState *env, uint64_t mem, uint64_t hypercall);
> +void kvm_s390_interrupt(CPUState *env, int type, uint32_t code);
> void kvm_s390_virtio_irq(CPUState *env, int config_change, uint64_t token);
> +void kvm_s390_interrupt_internal(CPUState *env, int type, uint32_t parm,
> + uint64_t parm64, int vm);
> CPUState *s390_cpu_addr2state(uint16_t cpu_addr);
> +
> +#ifndef KVM_S390_SIGP_STOP
> +#define KVM_S390_SIGP_STOP 0
> +#define KVM_S390_PROGRAM_INT 0
> +#define KVM_S390_SIGP_SET_PREFIX 0
> +#define KVM_S390_RESTART 0
> +#define KVM_S390_INT_VIRTIO 0
> +#define KVM_S390_INT_SERVICE 0
> +#define KVM_S390_INT_EMERGENCY 0
> +#endif
> +
> #endif
> +void cpu_lock(void);
> +void cpu_unlock(void);
>
> +static inline void cpu_set_tls(CPUS390XState *env, target_ulong newtls)
> +{
> + env->aregs[0] = newtls >> 32;
> + env->aregs[1] = newtls & 0xffffffffULL;
> +}
>
> #define cpu_init cpu_s390x_init
> #define cpu_exec cpu_s390x_exec
> #define cpu_gen_code cpu_s390x_gen_code
> +#define cpu_signal_handler cpu_s390x_signal_handler
>
> -#include "cpu-all.h"
> +#include "exec-all.h"
> +
> +#ifdef CONFIG_USER_ONLY
>
> #define EXCP_OPEX 1 /* operation exception (sigill) */
> #define EXCP_SVC 2 /* supervisor call (syscall) */
> #define EXCP_ADDR 5 /* addressing exception */
> -#define EXCP_EXECUTE_SVC 0xff00000 /* supervisor call via execute insn */
> +#define EXCP_SPEC 6 /* specification exception */
>
> -static inline void cpu_get_tb_cpu_state(CPUState* env, target_ulong *pc,
> - target_ulong *cs_base, int *flags)
> -{
> - *pc = env->psw.addr;
> - /* XXX this is correct for user-mode emulation, but needs
> - * the asce register information as well when softmmu
> - * is implemented in the future */
> - *cs_base = 0;
> - *flags = env->psw.mask;
> -}
> +#else
> +
> +#define EXCP_EXT 1 /* external interrupt */
> +#define EXCP_SVC 2 /* supervisor call (syscall) */
> +#define EXCP_PGM 3 /* program interruption */
> +
> +#endif /* CONFIG_USER_ONLY */
> +
> +#define INTERRUPT_EXT (1 << 0)
> +#define INTERRUPT_TOD (1 << 1)
> +#define INTERRUPT_CPUTIMER (1 << 2)
>
> /* Program Status Word. */
> #define S390_PSWM_REGNUM 0
> @@ -265,5 +469,483 @@ static inline void cpu_get_tb_cpu_state(CPUState* env,
> target_ulong *pc,
> #define S390_NUM_PSEUDO_REGS 2
> #define S390_NUM_TOTAL_REGS (S390_NUM_REGS+2)
>
> +/* CC optimization */
> +
> +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_SUB_64, /* overflow on substraction (64bit) */
> + CC_OP_SUBU_64, /* overflow on unsigned substraction (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_SUB_32, /* overflow on substraction (32bit) */
> + CC_OP_SUBU_32, /* overflow on unsigned substraction (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_LTGT_F32, /* FP compare (32bit) */
> + CC_OP_LTGT_F64, /* FP compare (64bit) */
> +
> + CC_OP_NZ_F32, /* FP dst != 0 (32bit) */
> + CC_OP_NZ_F64, /* FP dst != 0 (64bit) */
> +
> + CC_OP_ICM, /* insert characters under mask */
> + 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_SUB_64] = "CC_OP_SUB_64",
> + [CC_OP_SUBU_64] = "CC_OP_SUBU_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_SUB_32] = "CC_OP_SUB_32",
> + [CC_OP_SUBU_32] = "CC_OP_SUBU_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_LTGT_F32] = "CC_OP_LTGT_F32",
> + [CC_OP_LTGT_F64] = "CC_OP_LTGT_F64",
> + [CC_OP_NZ_F32] = "CC_OP_NZ_F32",
> + [CC_OP_NZ_F64] = "CC_OP_NZ_F64",
> + [CC_OP_ICM] = "CC_OP_ICM",
> +};
> +
> +static inline const char *cc_name(int cc_op)
> +{
> + return cc_names[cc_op];
> +}
> +
> +/* SCLP PV interface defines */
> +#define SCLP_CMDW_READ_SCP_INFO 0x00020001
> +#define SCLP_CMDW_READ_SCP_INFO_FORCED 0x00120001
> +
> +#define SCP_LENGTH 0x00
> +#define SCP_FUNCTION_CODE 0x02
> +#define SCP_CONTROL_MASK 0x03
> +#define SCP_RESPONSE_CODE 0x06
> +#define SCP_MEM_CODE 0x08
> +#define SCP_INCREMENT 0x0a
> +
> +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_ilc; /* 0x088 */
> + uint16_t svc_code; /* 0x08a */
> + uint16_t pgm_ilc; /* 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[0x120-0x100]; /* 0x100 */
> + 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 pad7[0x1a0-0x180]; /* 0x180 */
> + PSW restart_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 pad8[0xc00-0x2a0]; /* 0x2a0 */
> + /* System info area */
> + uint64_t save_area[16]; /* 0xc00 */
> + uint8_t pad9[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 pad10[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 */
> +} __attribute__((packed)) LowCore;
> +
> +/* STSI */
> +#define STSI_LEVEL_MASK 0x00000000f0000000ULL
> +#define STSI_LEVEL_CURRENT 0x0000000000000000ULL
> +#define STSI_LEVEL_1 0x0000000010000000ULL
> +#define STSI_LEVEL_2 0x0000000020000000ULL
> +#define STSI_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 */
> +struct sysib_111 {
> + uint32_t res1[8];
> + 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[156];
> +};
> +
> +/* Basic Machine CPU */
> +struct sysib_121 {
> + uint32_t res1[80];
> + uint8_t sequence[16];
> + uint8_t plant[4];
> + uint8_t res2[2];
> + uint16_t cpu_addr;
> + uint8_t res3[152];
> +};
> +
> +/* Basic Machine CPUs */
> +struct sysib_122 {
> + uint8_t res1[32];
> + uint32_t capability;
> + uint16_t total_cpus;
> + uint16_t active_cpus;
> + uint16_t standby_cpus;
> + uint16_t reserved_cpus;
> + uint16_t adjustments[2026];
> +};
> +
> +/* LPAR CPU */
> +struct sysib_221 {
> + uint32_t res1[80];
> + uint8_t sequence[16];
> + uint8_t plant[4];
> + uint16_t cpu_id;
> + uint16_t cpu_addr;
> + uint8_t res3[152];
> +};
> +
> +/* LPAR CPUs */
> +struct sysib_222 {
> + uint32_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[180];
> +};
> +
> +/* VM CPUs */
> +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 res3[24];
> + } vm[8];
> + uint8_t res4[3552];
> +};
> +
> +/* 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_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_RO 0x200 /* page protection bit
> */
> +#define _SEGMENT_ENTRY_INV 0x20 /* invalid segment table entry
> */
> +
> +#define _PAGE_RO 0x200 /* HW read-only bit */
> +#define _PAGE_INVALID 0x400 /* HW invalid bit */
> +
> +
> +
> +/* EBCDIC handling */
> +static const uint8_t ebcdic2ascii[] = {
> + 0x00, 0x01, 0x02, 0x03, 0x07, 0x09, 0x07, 0x7F,
> + 0x07, 0x07, 0x07, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
> + 0x10, 0x11, 0x12, 0x13, 0x07, 0x0A, 0x08, 0x07,
> + 0x18, 0x19, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
> + 0x07, 0x07, 0x1C, 0x07, 0x07, 0x0A, 0x17, 0x1B,
> + 0x07, 0x07, 0x07, 0x07, 0x07, 0x05, 0x06, 0x07,
> + 0x07, 0x07, 0x16, 0x07, 0x07, 0x07, 0x07, 0x04,
> + 0x07, 0x07, 0x07, 0x07, 0x14, 0x15, 0x07, 0x1A,
> + 0x20, 0xFF, 0x83, 0x84, 0x85, 0xA0, 0x07, 0x86,
> + 0x87, 0xA4, 0x5B, 0x2E, 0x3C, 0x28, 0x2B, 0x21,
> + 0x26, 0x82, 0x88, 0x89, 0x8A, 0xA1, 0x8C, 0x07,
> + 0x8D, 0xE1, 0x5D, 0x24, 0x2A, 0x29, 0x3B, 0x5E,
> + 0x2D, 0x2F, 0x07, 0x8E, 0x07, 0x07, 0x07, 0x8F,
> + 0x80, 0xA5, 0x07, 0x2C, 0x25, 0x5F, 0x3E, 0x3F,
> + 0x07, 0x90, 0x07, 0x07, 0x07, 0x07, 0x07, 0x07,
> + 0x70, 0x60, 0x3A, 0x23, 0x40, 0x27, 0x3D, 0x22,
> + 0x07, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67,
> + 0x68, 0x69, 0xAE, 0xAF, 0x07, 0x07, 0x07, 0xF1,
> + 0xF8, 0x6A, 0x6B, 0x6C, 0x6D, 0x6E, 0x6F, 0x70,
> + 0x71, 0x72, 0xA6, 0xA7, 0x91, 0x07, 0x92, 0x07,
> + 0xE6, 0x7E, 0x73, 0x74, 0x75, 0x76, 0x77, 0x78,
> + 0x79, 0x7A, 0xAD, 0xAB, 0x07, 0x07, 0x07, 0x07,
> + 0x9B, 0x9C, 0x9D, 0xFA, 0x07, 0x07, 0x07, 0xAC,
> + 0xAB, 0x07, 0xAA, 0x7C, 0x07, 0x07, 0x07, 0x07,
> + 0x7B, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47,
> + 0x48, 0x49, 0x07, 0x93, 0x94, 0x95, 0xA2, 0x07,
> + 0x7D, 0x4A, 0x4B, 0x4C, 0x4D, 0x4E, 0x4F, 0x50,
> + 0x51, 0x52, 0x07, 0x96, 0x81, 0x97, 0xA3, 0x98,
> + 0x5C, 0xF6, 0x53, 0x54, 0x55, 0x56, 0x57, 0x58,
> + 0x59, 0x5A, 0xFD, 0x07, 0x99, 0x07, 0x07, 0x07,
> + 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
> + 0x38, 0x39, 0x07, 0x07, 0x9A, 0x07, 0x07, 0x07,
> +};
> +
> +static const uint8_t ascii2ebcdic [] = {
> + 0x00, 0x01, 0x02, 0x03, 0x37, 0x2D, 0x2E, 0x2F,
> + 0x16, 0x05, 0x15, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F,
> + 0x10, 0x11, 0x12, 0x13, 0x3C, 0x3D, 0x32, 0x26,
> + 0x18, 0x19, 0x3F, 0x27, 0x22, 0x1D, 0x1E, 0x1F,
> + 0x40, 0x5A, 0x7F, 0x7B, 0x5B, 0x6C, 0x50, 0x7D,
> + 0x4D, 0x5D, 0x5C, 0x4E, 0x6B, 0x60, 0x4B, 0x61,
> + 0xF0, 0xF1, 0xF2, 0xF3, 0xF4, 0xF5, 0xF6, 0xF7,
> + 0xF8, 0xF9, 0x7A, 0x5E, 0x4C, 0x7E, 0x6E, 0x6F,
> + 0x7C, 0xC1, 0xC2, 0xC3, 0xC4, 0xC5, 0xC6, 0xC7,
> + 0xC8, 0xC9, 0xD1, 0xD2, 0xD3, 0xD4, 0xD5, 0xD6,
> + 0xD7, 0xD8, 0xD9, 0xE2, 0xE3, 0xE4, 0xE5, 0xE6,
> + 0xE7, 0xE8, 0xE9, 0xBA, 0xE0, 0xBB, 0xB0, 0x6D,
> + 0x79, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87,
> + 0x88, 0x89, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96,
> + 0x97, 0x98, 0x99, 0xA2, 0xA3, 0xA4, 0xA5, 0xA6,
> + 0xA7, 0xA8, 0xA9, 0xC0, 0x4F, 0xD0, 0xA1, 0x07,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x59, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F, 0x3F,
> + 0x90, 0x3F, 0x3F, 0x3F, 0x3F, 0xEA, 0x3F, 0xFF
> +};
> +
> +static inline void ebcdic_put(uint8_t *p, const char *ascii, int len)
> +{
> + int i;
> +
> + for (i = 0; i < len; i++) {
> + p[i] = ascii2ebcdic[(int)ascii[i]];
> + }
> +}
> +
> +#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
> +
> +/* cpu status bits */
> +#define SIGP_STAT_EQUIPMENT_CHECK 0x80000000UL
> +#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
> +
> +void load_psw(CPUState *env, uint64_t mask, uint64_t addr);
> +int mmu_translate(CPUState *env, target_ulong vaddr, int rw, uint64_t asc,
> + target_ulong *raddr, int *flags);
> +int sclp_service_call(CPUState *env, uint32_t sccb, uint64_t code);
> +uint32_t calc_cc(CPUState *env, uint32_t cc_op, uint64_t src, uint64_t dst,
> + uint64_t vr);
> +
> +#define TARGET_HAS_ICE 1
> +
> +/* 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;
> +}
> +
> +static inline void cpu_inject_ext(CPUState *env, uint32_t code, uint32_t
> param,
> + uint64_t param64)
> +{
> + if (env->ext_index == MAX_EXT_QUEUE - 1) {
> + /* ugh - can't queue anymore. Let's drop. */
> + return;
> + }
> +
> + env->ext_index++;
> + assert(env->ext_index < MAX_EXT_QUEUE);
> +
> + env->ext_queue[env->ext_index].code = code;
> + env->ext_queue[env->ext_index].param = param;
> + env->ext_queue[env->ext_index].param64 = param64;
> +
> + env->pending_int |= INTERRUPT_EXT;
> + cpu_interrupt(env, CPU_INTERRUPT_HARD);
> +}
>
> #endif
> --
> 1.6.0.2
>
>
>
--
Aurelien Jarno GPG: 1024D/F1BCDB73
address@hidden http://www.aurel32.net
- [Qemu-devel] [PATCH 12/15] s390x: Adjust internal kvm code, (continued)
- [Qemu-devel] [PATCH 12/15] s390x: Adjust internal kvm code, Alexander Graf, 2011/04/04
- [Qemu-devel] [PATCH 10/15] s390x: helper functions for system emulation, Alexander Graf, 2011/04/04
- [Qemu-devel] [PATCH 03/15] s390x: s390x-linux-user support, Alexander Graf, 2011/04/04
- [Qemu-devel] [PATCH 11/15] s390x: Implement opcode helpers, Alexander Graf, 2011/04/04
- [Qemu-devel] [PATCH 09/15] s390x: Prepare cpu.h for emulation, Alexander Graf, 2011/04/04
- Re: [Qemu-devel] [PATCH 09/15] s390x: Prepare cpu.h for emulation,
Aurelien Jarno <=
- [Qemu-devel] [PATCH 13/15] s390x: translate engine for s390x CPU, Alexander Graf, 2011/04/04