| version 1.17, 2004/02/18 20:11:37 | version 1.22, 2004/03/08 12:56:22 | 
| Line 32 | Line 32 | 
 |  |  | 
 | Copyright by Yui/Studio Milmake 1999-2000 | Copyright by Yui/Studio Milmake 1999-2000 | 
 | Copyright by Norio HATTORI 2000,2001 | Copyright by Norio HATTORI 2000,2001 | 
| Copyright by NONAKA Kimihiro 2002-2003 | Copyright by NONAKA Kimihiro 2002-2004 | 
 | */ | */ | 
 |  |  | 
 | #ifndef IA32_CPU_CPU_H__ | #ifndef IA32_CPU_CPU_H__ | 
| Line 47  extern "C" { | Line 47  extern "C" { | 
 | typedef union { | typedef union { | 
 | #if defined(BYTESEX_LITTLE) | #if defined(BYTESEX_LITTLE) | 
 | struct { | struct { | 
| BYTE    l; | UINT8   l; | 
| BYTE    h; | UINT8   h; | 
| BYTE    _hl; | UINT8   _hl; | 
| BYTE    _hh; | UINT8   _hh; | 
 | } b; | } b; | 
 | struct { | struct { | 
| WORD    w; | UINT16  w; | 
| WORD    _hw; | UINT16  _hw; | 
 | } w; | } w; | 
 | #elif defined(BYTESEX_BIG) | #elif defined(BYTESEX_BIG) | 
 | struct { | struct { | 
| BYTE    _hh; | UINT8   _hh; | 
| BYTE    _hl; | UINT8   _hl; | 
| BYTE    h; | UINT8   h; | 
| BYTE    l; | UINT8   l; | 
 | } b; | } b; | 
 | struct { | struct { | 
| WORD    _hw; | UINT16  _hw; | 
| WORD    w; | UINT16  w; | 
 | } w; | } w; | 
 | #endif | #endif | 
| DWORD   d; | UINT32  d; | 
 | } REG32; | } REG32; | 
 |  |  | 
 | #ifdef __cplusplus | #ifdef __cplusplus | 
| Line 109  enum { | Line 109  enum { | 
 | }; | }; | 
 |  |  | 
 | enum { | enum { | 
| CPU_DEBUG_REG_NUM = 8 | CPU_DEBUG_REG_NUM = 8, | 
|  | CPU_DEBUG_REG_INDEX_NUM = 4 | 
 | }; | }; | 
 |  |  | 
 | enum { | enum { | 
 | MAX_PREFIX = 8 | MAX_PREFIX = 8 | 
 | }; | }; | 
 |  |  | 
 |  | enum { | 
 |  | CPU_PREFETCH_QUEUE_LENGTH = 16 | 
 |  | }; | 
 |  |  | 
 | typedef struct { | typedef struct { | 
 | REG32           reg[CPU_REG_NUM]; | REG32           reg[CPU_REG_NUM]; | 
| WORD            sreg[CPU_SEGREG_NUM]; | UINT16          sreg[CPU_SEGREG_NUM]; | 
 |  |  | 
 | REG32           eflags; | REG32           eflags; | 
 | REG32           eip; | REG32           eip; | 
| Line 126  typedef struct { | Line 131  typedef struct { | 
 | REG32           prev_eip; | REG32           prev_eip; | 
 | REG32           prev_esp; | REG32           prev_esp; | 
 |  |  | 
| DWORD           tr[CPU_TEST_REG_NUM]; | UINT32          tr[CPU_TEST_REG_NUM]; | 
| DWORD           dr[CPU_DEBUG_REG_NUM]; | UINT32          dr[CPU_DEBUG_REG_NUM]; | 
 | } CPU_REGS; | } CPU_REGS; | 
 |  |  | 
 | typedef struct { | typedef struct { | 
| WORD            gdtr_limit; | UINT16          gdtr_limit; | 
| DWORD           gdtr_base; | UINT32          gdtr_base; | 
| WORD            idtr_limit; | UINT16          idtr_limit; | 
| DWORD           idtr_base; | UINT32          idtr_base; | 
|  |  | 
| WORD            ldtr; | UINT16          ldtr; | 
| WORD            tr; | UINT16          tr; | 
|  |  | 
| DWORD           cr0; | UINT32          cr0; | 
| DWORD           cr1; | UINT32          cr1; | 
| DWORD           cr2; | UINT32          cr2; | 
| DWORD           cr3; | UINT32          cr3; | 
| DWORD           cr4; | UINT32          cr4; | 
| DWORD           mxcsr; | UINT32          mxcsr; | 
 | } CPU_SYSREGS; | } CPU_SYSREGS; | 
 |  |  | 
 | typedef struct { | typedef struct { | 
| Line 152  typedef struct { | Line 157  typedef struct { | 
 | descriptor_t    ldtr; | descriptor_t    ldtr; | 
 | descriptor_t    tr; | descriptor_t    tr; | 
 |  |  | 
 |  | BYTE            prefetch[CPU_PREFETCH_QUEUE_LENGTH]; | 
 |  | SINT8           prefetch_remain; | 
 |  | UINT8           pad2[2]; | 
 |  |  | 
 | UINT32          adrsmask; | UINT32          adrsmask; | 
| DWORD           ovflag; | UINT32          ovflag; | 
 |  |  | 
| BYTE            ss_32; | UINT8           ss_32; | 
| BYTE            resetreq; | UINT8           resetreq; | 
| BYTE            trap; | UINT8           trap; | 
 |  |  | 
| BYTE            page_wp; | UINT8           page_wp; | 
 |  |  | 
| BYTE            protected_mode; | UINT8           protected_mode; | 
| BYTE            paging; | UINT8           paging; | 
| BYTE            vm86; | UINT8           vm86; | 
| BYTE            user_mode; | UINT8           user_mode; | 
 |  |  | 
| BYTE            hlt; | UINT8           hlt; | 
| BYTE            pad[3]; | UINT8           bp;     /* break point bitmap */ | 
|  | UINT8           bp_ev;  /* break point event */ | 
|  | UINT8           pad; | 
 |  |  | 
| DWORD           pde_base; | UINT32          pde_base; | 
 |  |  | 
| DWORD           ioaddr;         /* I/O bitmap linear address */ | UINT32          ioaddr;         /* I/O bitmap linear address */ | 
| WORD            iolimit;        /* I/O bitmap count */ | UINT16          iolimit;        /* I/O bitmap count */ | 
 |  |  | 
| BYTE            nerror;         /* double fault/ triple fault */ | UINT8           nerror;         /* double fault/ triple fault */ | 
| BYTE            prev_exception; | UINT8           prev_exception; | 
 | } CPU_STAT; | } CPU_STAT; | 
 |  |  | 
 | typedef struct { | typedef struct { | 
| BYTE            op_32; | UINT8           op_32; | 
| BYTE            as_32; | UINT8           as_32; | 
| BYTE            rep_used; | UINT8           rep_used; | 
| BYTE            seg_used; | UINT8           seg_used; | 
| DWORD           seg_base; | UINT32          seg_base; | 
 | } CPU_INST; | } CPU_INST; | 
 |  |  | 
 | typedef struct { | typedef struct { | 
| Line 356  do { \ | Line 367  do { \ | 
 | #define CPU_FS          CPU_REGS_SREG(CPU_FS_INDEX) | #define CPU_FS          CPU_REGS_SREG(CPU_FS_INDEX) | 
 | #define CPU_GS          CPU_REGS_SREG(CPU_GS_INDEX) | #define CPU_GS          CPU_REGS_SREG(CPU_GS_INDEX) | 
 |  |  | 
| #define ES_BASE         CPU_STATSAVE.cpu_stat.sreg[CPU_ES_INDEX].u.seg.segbase | #define ES_BASE         CPU_STAT_SREGBASE(CPU_ES_INDEX) | 
| #define CS_BASE         CPU_STATSAVE.cpu_stat.sreg[CPU_CS_INDEX].u.seg.segbase | #define CS_BASE         CPU_STAT_SREGBASE(CPU_CS_INDEX) | 
| #define SS_BASE         CPU_STATSAVE.cpu_stat.sreg[CPU_SS_INDEX].u.seg.segbase | #define SS_BASE         CPU_STAT_SREGBASE(CPU_SS_INDEX) | 
| #define DS_BASE         CPU_STATSAVE.cpu_stat.sreg[CPU_DS_INDEX].u.seg.segbase | #define DS_BASE         CPU_STAT_SREGBASE(CPU_DS_INDEX) | 
| #define FS_BASE         CPU_STATSAVE.cpu_stat.sreg[CPU_FS_INDEX].u.seg.segbase | #define FS_BASE         CPU_STAT_SREGBASE(CPU_FS_INDEX) | 
| #define GS_BASE         CPU_STATSAVE.cpu_stat.sreg[CPU_GS_INDEX].u.seg.segbase | #define GS_BASE         CPU_STAT_SREGBASE(CPU_GS_INDEX) | 
 |  |  | 
 | #define CPU_EFLAG       CPU_STATSAVE.cpu_regs.eflags.d | #define CPU_EFLAG       CPU_STATSAVE.cpu_regs.eflags.d | 
 | #define CPU_FLAG        CPU_STATSAVE.cpu_regs.eflags.w.w | #define CPU_FLAG        CPU_STATSAVE.cpu_regs.eflags.w.w | 
 | #define CPU_FLAGL       CPU_STATSAVE.cpu_regs.eflags.b.l | #define CPU_FLAGL       CPU_STATSAVE.cpu_regs.eflags.b.l | 
 | #define CPU_FLAGH       CPU_STATSAVE.cpu_regs.eflags.b.h | #define CPU_FLAGH       CPU_STATSAVE.cpu_regs.eflags.b.h | 
 | #define CPU_TRAP        CPU_STATSAVE.cpu_stat.trap | #define CPU_TRAP        CPU_STATSAVE.cpu_stat.trap | 
 | #if 0 |  | 
 | #define CPU_INPORT      CPU_STATSAVE.cpu_stat.inport | #define CPU_INPORT      CPU_STATSAVE.cpu_stat.inport | 
 | #endif |  | 
 | #define CPU_OV          CPU_STATSAVE.cpu_stat.ovflag | #define CPU_OV          CPU_STATSAVE.cpu_stat.ovflag | 
 |  |  | 
 | #define C_FLAG          (1 << 0) | #define C_FLAG          (1 << 0) | 
| Line 400  do { \ | Line 409  do { \ | 
 | #define REAL_FLAGREG    ((CPU_FLAG & 0xf7ff) | (CPU_OV ? O_FLAG : 0)) | #define REAL_FLAGREG    ((CPU_FLAG & 0xf7ff) | (CPU_OV ? O_FLAG : 0)) | 
 | #define REAL_EFLAGREG   ((CPU_EFLAG & 0xfffff7ff) | (CPU_OV ? O_FLAG : 0)) | #define REAL_EFLAGREG   ((CPU_EFLAG & 0xfffff7ff) | (CPU_OV ? O_FLAG : 0)) | 
 |  |  | 
| void set_flags(WORD new_flags, WORD mask); | void set_flags(UINT16 new_flags, UINT16 mask); | 
| void set_eflags(DWORD new_flags, DWORD mask); | void set_eflags(UINT32 new_flags, UINT32 mask); | 
 |  |  | 
 |  |  | 
 | #define CPU_INST_OP32           CPU_STATSAVE.cpu_inst.op_32 | #define CPU_INST_OP32           CPU_STATSAVE.cpu_inst.op_32 | 
| Line 412  void set_eflags(DWORD new_flags, DWORD m | Line 421  void set_eflags(DWORD new_flags, DWORD m | 
 | #define DS_FIX  (!CPU_INST_SEGUSE ? CPU_DS_INDEX : CPU_INST_SEGREG_INDEX) | #define DS_FIX  (!CPU_INST_SEGUSE ? CPU_DS_INDEX : CPU_INST_SEGREG_INDEX) | 
 | #define SS_FIX  (!CPU_INST_SEGUSE ? CPU_SS_INDEX : CPU_INST_SEGREG_INDEX) | #define SS_FIX  (!CPU_INST_SEGUSE ? CPU_SS_INDEX : CPU_INST_SEGREG_INDEX) | 
 |  |  | 
| #define CPU_STAT_CS_BASE        CPU_STATSAVE.cpu_stat.sreg[CPU_CS_INDEX].u.seg.limit | #define CPU_STAT_CS_BASE        CPU_STAT_SREGBASE(CPU_CS_INDEX) | 
| #define CPU_STAT_CS_LIMIT       CPU_STATSAVE.cpu_stat.sreg[CPU_CS_INDEX].u.seg.limit | #define CPU_STAT_CS_LIMIT       CPU_STAT_SREGLIMIT(CPU_CS_INDEX) | 
| #define CPU_STAT_CS_END         CPU_STATSAVE.cpu_stat.sreg[CPU_CS_INDEX].u.seg.segend | #define CPU_STAT_CS_END         CPU_STAT_SREGEND(CPU_CS_INDEX) | 
 |  |  | 
 | #define CPU_STAT_ADRSMASK       CPU_STATSAVE.cpu_stat.adrsmask | #define CPU_STAT_ADRSMASK       CPU_STATSAVE.cpu_stat.adrsmask | 
 | #define CPU_STAT_SS32           CPU_STATSAVE.cpu_stat.ss_32 | #define CPU_STAT_SS32           CPU_STATSAVE.cpu_stat.ss_32 | 
| Line 443  void set_eflags(DWORD new_flags, DWORD m | Line 452  void set_eflags(DWORD new_flags, DWORD m | 
 | #define CPU_STAT_EXCEPTION_COUNTER_INC()        CPU_STATSAVE.cpu_stat.nerror++ | #define CPU_STAT_EXCEPTION_COUNTER_INC()        CPU_STATSAVE.cpu_stat.nerror++ | 
 | #define CPU_STAT_EXCEPTION_COUNTER_CLEAR()      CPU_STATSAVE.cpu_stat.nerror = 0 | #define CPU_STAT_EXCEPTION_COUNTER_CLEAR()      CPU_STATSAVE.cpu_stat.nerror = 0 | 
 |  |  | 
 |  | #define CPU_PREFETCHQ           CPU_STATSAVE.cpu_stat.prefetch | 
 |  | #define CPU_PREFETCHQ_REMAIN    CPU_STATSAVE.cpu_stat.prefetch_remain | 
 |  |  | 
 |  | #if defined(IA32_SUPPORT_PREFETCH_QUEUE) | 
 |  | #define CPU_PREFETCH_CLEAR()    CPU_PREFETCHQ_REMAIN = 0 | 
 |  | #else   /* !IA32_SUPPORT_PREFETCH_QUEUE */ | 
 |  | #define CPU_PREFETCH_CLEAR() | 
 |  | #endif  /* IA32_SUPPORT_PREFETCH_QUEUE */ | 
 |  |  | 
 | #define CPU_MODE_SUPERVISER     0 | #define CPU_MODE_SUPERVISER     0 | 
 | #define CPU_MODE_USER           1 | #define CPU_MODE_USER           1 | 
 | #define CPU_SET_CPL(cpl) \ | #define CPU_SET_CPL(cpl) \ | 
 | do { \ | do { \ | 
| BYTE __t = (cpl) & 3; \ | UINT8 __t = (UINT8)((cpl) & 3); \ | 
 | CPU_STAT_CPL = __t; \ | CPU_STAT_CPL = __t; \ | 
 | CPU_STAT_USER_MODE = (__t == 3) ? CPU_MODE_USER : CPU_MODE_SUPERVISER; \ | CPU_STAT_USER_MODE = (__t == 3) ? CPU_MODE_USER : CPU_MODE_SUPERVISER; \ | 
 | } while (/*CONSTCOND*/ 0) | } while (/*CONSTCOND*/ 0) | 
 |  |  | 
| #define CPU_CLI         do { CPU_FLAG &= ~I_FLAG;       \ | #define CPU_CLI \ | 
| CPU_TRAP = 0; } while (/*CONSTCOND*/ 0) | do { \ | 
| #define CPU_STI         do { CPU_FLAG |= I_FLAG;        \ | CPU_FLAG &= ~I_FLAG; \ | 
| CPU_TRAP = (CPU_FLAG >> 8) & 1; } while (/*CONSTCOND*/0) | CPU_TRAP = 0; \ | 
|  | } while (/*CONSTCOND*/0) | 
|  |  | 
|  | #define CPU_STI \ | 
|  | do { \ | 
|  | CPU_FLAG |= I_FLAG; \ | 
|  | CPU_TRAP = (CPU_FLAG >> 8) & 1; \ | 
|  | } while (/*CONSTCOND*/0) | 
 |  |  | 
 | #define CPU_GDTR_LIMIT  CPU_STATSAVE.cpu_sysregs.gdtr_limit | #define CPU_GDTR_LIMIT  CPU_STATSAVE.cpu_sysregs.gdtr_limit | 
 | #define CPU_GDTR_BASE   CPU_STATSAVE.cpu_sysregs.gdtr_base | #define CPU_GDTR_BASE   CPU_STATSAVE.cpu_sysregs.gdtr_base | 
| Line 513  do { \ | Line 538  do { \ | 
 | #define CPU_CR4_OSFXSR          (1 << 9) | #define CPU_CR4_OSFXSR          (1 << 9) | 
 | #define CPU_CR4_OSXMMEXCPT      (1 << 10) | #define CPU_CR4_OSXMMEXCPT      (1 << 10) | 
 |  |  | 
 |  | /* | 
 |  | * debug register | 
 |  | */ | 
 |  | #define CPU_DR(r)               CPU_STATSAVE.cpu_regs.dr[(r)] | 
 |  | #define CPU_DR6                 CPU_DR(6) | 
 |  | #define CPU_DR7                 CPU_DR(7) | 
 |  |  | 
 |  | #define CPU_STAT_BP             CPU_STATSAVE.cpu_stat.bp | 
 |  | #define CPU_STAT_BP_EVENT       CPU_STATSAVE.cpu_stat.bp_ev | 
 |  | #define CPU_STAT_BP_EVENT_B(r)  (1 << (r)) | 
 |  | #define CPU_STAT_BP_EVENT_DR    (1 << 4)        /* fault */ | 
 |  | #define CPU_STAT_BP_EVENT_STEP  (1 << 5)        /* as CPU_TRAP */ | 
 |  | #define CPU_STAT_BP_EVENT_TASK  (1 << 6) | 
 |  | #define CPU_STAT_BP_EVENT_RF    (1 << 7)        /* RF_FLAG */ | 
 |  |  | 
 |  | #define CPU_DR6_B(r)            (1 << (r)) | 
 |  | #define CPU_DR6_BD              (1 << 13) | 
 |  | #define CPU_DR6_BS              (1 << 14) | 
 |  | #define CPU_DR6_BT              (1 << 15) | 
 |  |  | 
 |  | #define CPU_DR7_L(r)            (1 << ((r) * 2)) | 
 |  | #define CPU_DR7_G(r)            (1 << ((r) * 2 + 1)) | 
 |  | #define CPU_DR7_LE              (1 << 8) | 
 |  | #define CPU_DR7_GE              (1 << 9) | 
 |  | #define CPU_DR7_GD              (1 << 13) | 
 |  | #define CPU_DR7_RW(r)           (3 << ((r) * 4 + 16)) | 
 |  | #define CPU_DR7_LEN(r)          (3 << ((r) * 4 + 16 + 2)) | 
 |  |  | 
 |  | #define CPU_DR7_GET_RW(r)       ((CPU_DR7) >> (16 + (r) * 4)) | 
 |  | #define CPU_DR7_RW_CODE         0 | 
 |  | #define CPU_DR7_RW_RO           1 | 
 |  | #define CPU_DR7_RW_IO           2 | 
 |  | #define CPU_DR7_RW_RW           3 | 
 |  |  | 
 |  | #define CPU_DR7_GET_LEN(r)      ((CPU_DR7) >> (16 + 2 + (r) * 4)) | 
 |  |  | 
 | void ia32_init(void); | void ia32_init(void); | 
 | void ia32_initreg(void); | void ia32_initreg(void); | 
| Line 521  void ia32_setextsize(UINT32 size); | Line 581  void ia32_setextsize(UINT32 size); | 
 | void ia32reset(void); | void ia32reset(void); | 
 | void ia32shut(void); | void ia32shut(void); | 
 | void ia32(void); | void ia32(void); | 
 | void ia32withtrap(void); |  | 
 | void ia32withdma(void); |  | 
 |  |  | 
 | void ia32_step(void); | void ia32_step(void); | 
| void CPUCALL ia32_interrupt(REG8 vect); | void CPUCALL ia32_interrupt(int vect); | 
| void CPUCALL ia32_exception(DWORD vect, DWORD p1, DWORD p2); | void CPUCALL ia32_exception(int vect, int p1, int p2); | 
 |  |  | 
 | void exec_1step(void); | void exec_1step(void); | 
 | #define INST_PREFIX     (1 << 0) | #define INST_PREFIX     (1 << 0) | 
 | #define INST_STRING     (1 << 1) | #define INST_STRING     (1 << 1) | 
 | #define REP_CHECKZF     (1 << 7) | #define REP_CHECKZF     (1 << 7) | 
 |  |  | 
 | int disasm(DWORD *eip, char *buf, size_t size); |  | 
 |  |  | 
 | void ia32_printf(const char *buf, ...); | void ia32_printf(const char *buf, ...); | 
 | void ia32_warning(const char *buf, ...); | void ia32_warning(const char *buf, ...); | 
 | void ia32_panic(const char *buf, ...); | void ia32_panic(const char *buf, ...); | 
| Line 547  void FASTCALL change_pg(BOOL onoff); | Line 602  void FASTCALL change_pg(BOOL onoff); | 
 |  |  | 
 | extern const UINT8 iflags[]; | extern const UINT8 iflags[]; | 
 | #define szpcflag        iflags | #define szpcflag        iflags | 
| extern BYTE szpflag_w[0x10000]; | extern UINT8 szpflag_w[0x10000]; | 
 |  |  | 
| extern BYTE  *reg8_b20[0x100]; | extern UINT8 *reg8_b20[0x100]; | 
| extern BYTE  *reg8_b53[0x100]; | extern UINT8 *reg8_b53[0x100]; | 
| extern WORD  *reg16_b20[0x100]; | extern UINT16 *reg16_b20[0x100]; | 
| extern WORD  *reg16_b53[0x100]; | extern UINT16 *reg16_b53[0x100]; | 
| extern DWORD *reg32_b20[0x100]; | extern UINT32 *reg32_b20[0x100]; | 
| extern DWORD *reg32_b53[0x100]; | extern UINT32 *reg32_b53[0x100]; | 
 |  |  | 
 | extern const char *reg8_str[8]; | extern const char *reg8_str[8]; | 
 | extern const char *reg16_str[8]; | extern const char *reg16_str[8]; | 
| Line 564  char *cpu_reg2str(void); | Line 619  char *cpu_reg2str(void); | 
 | #if defined(USE_FPU) | #if defined(USE_FPU) | 
 | char *fpu_reg2str(void); | char *fpu_reg2str(void); | 
 | #endif | #endif | 
 |  | void put_cpuinfo(void); | 
 | void dbg_printf(const char *str, ...); | void dbg_printf(const char *str, ...); | 
 |  |  | 
 |  |  | 
 | /* | /* | 
 | * Misc. | * Misc. | 
 | */ | */ | 
| void gdtr_dump(DWORD base, DWORD limit); | void gdtr_dump(UINT32 base, UINT limit); | 
| void idtr_dump(DWORD base, DWORD limit); | void idtr_dump(UINT32 base, UINT limit); | 
| void ldtr_dump(DWORD base, DWORD limit); | void ldtr_dump(UINT32 base, UINT limit); | 
| void tr_dump(WORD selector, DWORD base, DWORD limit); | void tr_dump(UINT16 selector, UINT32 base, UINT limit); | 
|  |  | 
|  | /* | 
|  | * disasm | 
|  | */ | 
|  | /* context */ | 
|  | typedef struct { | 
|  | UINT32 val; | 
|  |  | 
|  | UINT32 eip; | 
|  | BOOL op32; | 
|  | BOOL as32; | 
|  |  | 
|  | UINT32 baseaddr; | 
|  | UINT8 opcode[3]; | 
|  | UINT8 modrm; | 
|  | UINT8 sib; | 
|  |  | 
|  | BOOL useseg; | 
|  | int seg; | 
|  |  | 
|  | UINT8 opbyte[32]; | 
|  | int nopbytes; | 
|  |  | 
|  | char str[256]; | 
|  | size_t remain; | 
|  |  | 
|  | char *next; | 
|  | char *prefix; | 
|  | char *op; | 
|  | char *arg[3]; | 
|  | int narg; | 
|  |  | 
|  | char pad; | 
|  | } disasm_context_t; | 
|  |  | 
|  | int disasm(UINT32 *eip, disasm_context_t *ctx); | 
|  |  | 
 |  |  | 
 | #ifdef __cplusplus | #ifdef __cplusplus | 
 | } | } |