diff options
Diffstat (limited to 'sim/arm/armdefs.h')
| -rw-r--r-- | sim/arm/armdefs.h | 362 |
1 files changed, 192 insertions, 170 deletions
diff --git a/sim/arm/armdefs.h b/sim/arm/armdefs.h index 1d832bc..7b63a8f 100644 --- a/sim/arm/armdefs.h +++ b/sim/arm/armdefs.h @@ -26,101 +26,105 @@ #define HIGHLOW 2 #ifndef __STDC__ -typedef char * VoidStar ; +typedef char *VoidStar; #endif -typedef unsigned long ARMword ; /* must be 32 bits wide */ -typedef struct ARMul_State ARMul_State ; - -typedef unsigned ARMul_CPInits(ARMul_State *state) ; -typedef unsigned ARMul_CPExits(ARMul_State *state) ; -typedef unsigned ARMul_LDCs(ARMul_State *state,unsigned type,ARMword instr,ARMword value) ; -typedef unsigned ARMul_STCs(ARMul_State *state,unsigned type,ARMword instr,ARMword *value) ; -typedef unsigned ARMul_MRCs(ARMul_State *state,unsigned type,ARMword instr,ARMword *value) ; -typedef unsigned ARMul_MCRs(ARMul_State *state,unsigned type,ARMword instr,ARMword value) ; -typedef unsigned ARMul_CDPs(ARMul_State *state,unsigned type,ARMword instr) ; -typedef unsigned ARMul_CPReads(ARMul_State *state,unsigned reg,ARMword *value) ; -typedef unsigned ARMul_CPWrites(ARMul_State *state,unsigned reg,ARMword value) ; - -struct ARMul_State { - ARMword Emulate ; /* to start and stop emulation */ - unsigned EndCondition ; /* reason for stopping */ - unsigned ErrorCode ; /* type of illegal instruction */ - ARMword Reg[16] ; /* the current register file */ - ARMword RegBank[7][16] ; /* all the registers */ - ARMword Cpsr ; /* the current psr */ - ARMword Spsr[7] ; /* the exception psr's */ - ARMword NFlag, ZFlag, CFlag, VFlag, IFFlags ; /* dummy flags for speed */ +typedef unsigned long ARMword; /* must be 32 bits wide */ +typedef struct ARMul_State ARMul_State; + +typedef unsigned ARMul_CPInits (ARMul_State * state); +typedef unsigned ARMul_CPExits (ARMul_State * state); +typedef unsigned ARMul_LDCs (ARMul_State * state, unsigned type, + ARMword instr, ARMword value); +typedef unsigned ARMul_STCs (ARMul_State * state, unsigned type, + ARMword instr, ARMword * value); +typedef unsigned ARMul_MRCs (ARMul_State * state, unsigned type, + ARMword instr, ARMword * value); +typedef unsigned ARMul_MCRs (ARMul_State * state, unsigned type, + ARMword instr, ARMword value); +typedef unsigned ARMul_CDPs (ARMul_State * state, unsigned type, + ARMword instr); +typedef unsigned ARMul_CPReads (ARMul_State * state, unsigned reg, + ARMword * value); +typedef unsigned ARMul_CPWrites (ARMul_State * state, unsigned reg, + ARMword value); + +struct ARMul_State +{ + ARMword Emulate; /* to start and stop emulation */ + unsigned EndCondition; /* reason for stopping */ + unsigned ErrorCode; /* type of illegal instruction */ + ARMword Reg[16]; /* the current register file */ + ARMword RegBank[7][16]; /* all the registers */ + ARMword Cpsr; /* the current psr */ + ARMword Spsr[7]; /* the exception psr's */ + ARMword NFlag, ZFlag, CFlag, VFlag, IFFlags; /* dummy flags for speed */ #ifdef MODET - ARMword TFlag ; /* Thumb state */ + ARMword TFlag; /* Thumb state */ #endif - ARMword Bank ; /* the current register bank */ - ARMword Mode ; /* the current mode */ - ARMword instr, pc, temp ; /* saved register state */ - ARMword loaded, decoded ; /* saved pipeline state */ - unsigned long NumScycles, - NumNcycles, - NumIcycles, - NumCcycles, - NumFcycles ; /* emulated cycles used */ - unsigned long NumInstrs ; /* the number of instructions executed */ - unsigned NextInstr ; - unsigned VectorCatch ; /* caught exception mask */ - unsigned CallDebug ; /* set to call the debugger */ - unsigned CanWatch ; /* set by memory interface if its willing to suffer the - overhead of checking for watchpoints on each memory - access */ - unsigned MemReadDebug, MemWriteDebug ; - unsigned long StopHandle ; - - unsigned char *MemDataPtr ; /* admin data */ - unsigned char *MemInPtr ; /* the Data In bus */ - unsigned char *MemOutPtr ; /* the Data Out bus (which you may not need */ - unsigned char *MemSparePtr ; /* extra space */ - ARMword MemSize ; - - unsigned char *OSptr ; /* OS Handle */ - char *CommandLine ; /* Command Line from ARMsd */ - - ARMul_CPInits *CPInit[16] ; /* coprocessor initialisers */ - ARMul_CPExits *CPExit[16] ; /* coprocessor finalisers */ - ARMul_LDCs *LDC[16] ; /* LDC instruction */ - ARMul_STCs *STC[16] ; /* STC instruction */ - ARMul_MRCs *MRC[16] ; /* MRC instruction */ - ARMul_MCRs *MCR[16] ; /* MCR instruction */ - ARMul_CDPs *CDP[16] ; /* CDP instruction */ - ARMul_CPReads *CPRead[16] ; /* Read CP register */ - ARMul_CPWrites *CPWrite[16] ; /* Write CP register */ - unsigned char *CPData[16] ; /* Coprocessor data */ - unsigned char const *CPRegWords[16] ; /* map of coprocessor register sizes */ - - unsigned EventSet ; /* the number of events in the queue */ - unsigned long Now ; /* time to the nearest cycle */ - struct EventNode **EventPtr ; /* the event list */ - - unsigned Exception ; /* enable the next four values */ - unsigned Debug ; /* show instructions as they are executed */ - unsigned NresetSig ; /* reset the processor */ - unsigned NfiqSig ; - unsigned NirqSig ; - - unsigned abortSig ; - unsigned NtransSig ; - unsigned bigendSig ; - unsigned prog32Sig ; - unsigned data32Sig ; - unsigned lateabtSig ; - ARMword Vector ; /* synthesize aborts in cycle modes */ - ARMword Aborted ; /* sticky flag for aborts */ - ARMword Reseted ; /* sticky flag for Reset */ - ARMword Inted, LastInted ; /* sticky flags for interrupts */ - ARMword Base ; /* extra hand for base writeback */ - ARMword AbortAddr ; /* to keep track of Prefetch aborts */ - - const struct Dbg_HostosInterface *hostif; - - int verbose; /* non-zero means print various messages like the banner */ - } ; + ARMword Bank; /* the current register bank */ + ARMword Mode; /* the current mode */ + ARMword instr, pc, temp; /* saved register state */ + ARMword loaded, decoded; /* saved pipeline state */ + unsigned long NumScycles, NumNcycles, NumIcycles, NumCcycles, NumFcycles; /* emulated cycles used */ + unsigned long NumInstrs; /* the number of instructions executed */ + unsigned NextInstr; + unsigned VectorCatch; /* caught exception mask */ + unsigned CallDebug; /* set to call the debugger */ + unsigned CanWatch; /* set by memory interface if its willing to suffer the + overhead of checking for watchpoints on each memory + access */ + unsigned MemReadDebug, MemWriteDebug; + unsigned long StopHandle; + + unsigned char *MemDataPtr; /* admin data */ + unsigned char *MemInPtr; /* the Data In bus */ + unsigned char *MemOutPtr; /* the Data Out bus (which you may not need */ + unsigned char *MemSparePtr; /* extra space */ + ARMword MemSize; + + unsigned char *OSptr; /* OS Handle */ + char *CommandLine; /* Command Line from ARMsd */ + + ARMul_CPInits *CPInit[16]; /* coprocessor initialisers */ + ARMul_CPExits *CPExit[16]; /* coprocessor finalisers */ + ARMul_LDCs *LDC[16]; /* LDC instruction */ + ARMul_STCs *STC[16]; /* STC instruction */ + ARMul_MRCs *MRC[16]; /* MRC instruction */ + ARMul_MCRs *MCR[16]; /* MCR instruction */ + ARMul_CDPs *CDP[16]; /* CDP instruction */ + ARMul_CPReads *CPRead[16]; /* Read CP register */ + ARMul_CPWrites *CPWrite[16]; /* Write CP register */ + unsigned char *CPData[16]; /* Coprocessor data */ + unsigned char const *CPRegWords[16]; /* map of coprocessor register sizes */ + + unsigned EventSet; /* the number of events in the queue */ + unsigned long Now; /* time to the nearest cycle */ + struct EventNode **EventPtr; /* the event list */ + + unsigned Exception; /* enable the next four values */ + unsigned Debug; /* show instructions as they are executed */ + unsigned NresetSig; /* reset the processor */ + unsigned NfiqSig; + unsigned NirqSig; + + unsigned abortSig; + unsigned NtransSig; + unsigned bigendSig; + unsigned prog32Sig; + unsigned data32Sig; + unsigned lateabtSig; + ARMword Vector; /* synthesize aborts in cycle modes */ + ARMword Aborted; /* sticky flag for aborts */ + ARMword Reseted; /* sticky flag for Reset */ + ARMword Inted, LastInted; /* sticky flags for interrupts */ + ARMword Base; /* extra hand for base writeback */ + ARMword AbortAddr; /* to keep track of Prefetch aborts */ + + const struct Dbg_HostosInterface *hostif; + + int verbose; /* non-zero means print various messages like the banner */ +}; #define ResetPin NresetSig #define FIQPin NfiqSig @@ -135,21 +139,21 @@ struct ARMul_State { /***************************************************************************\ * Types of ARM we know about * \***************************************************************************/ - + /* The bitflags */ #define ARM_Fix26_Prop 0x01 #define ARM_Nexec_Prop 0x02 #define ARM_Debug_Prop 0x10 #define ARM_Isync_Prop ARM_Debug_Prop #define ARM_Lock_Prop 0x20 - + /* ARM2 family */ #define ARM2 (ARM_Fix26_Prop) #define ARM2as ARM2 #define ARM61 ARM2 #define ARM3 ARM2 -#ifdef ARM60 /* previous definition in armopts.h */ +#ifdef ARM60 /* previous definition in armopts.h */ #undef ARM60 #endif @@ -159,15 +163,15 @@ struct ARMul_State { #define ARM600 ARM6 #define ARM610 ARM6 #define ARM620 ARM6 - + /***************************************************************************\ * Macros to extract instruction fields * \***************************************************************************/ -#define BIT(n) ( (ARMword)(instr>>(n))&1) /* bit n of instruction */ -#define BITS(m,n) ( (ARMword)(instr<<(31-(n))) >> ((31-(n))+(m)) ) /* bits m to n of instr */ -#define TOPBITS(n) (instr >> (n)) /* bits 31 to n of instr */ +#define BIT(n) ( (ARMword)(instr>>(n))&1) /* bit n of instruction */ +#define BITS(m,n) ( (ARMword)(instr<<(31-(n))) >> ((31-(n))+(m)) ) /* bits m to n of instr */ +#define TOPBITS(n) (instr >> (n)) /* bits 31 to n of instr */ /***************************************************************************\ * The hardware vector addresses * @@ -181,7 +185,7 @@ struct ARMul_State { #define ARMAddrExceptnV 20L #define ARMIRQV 24L #define ARMFIQV 28L -#define ARMErrorV 32L /* This is an offset, not an address ! */ +#define ARMErrorV 32L /* This is an offset, not an address ! */ #define ARMul_ResetV ARMResetV #define ARMul_UndefinedInstrV ARMUndefinedInstrV @@ -226,43 +230,46 @@ struct ARMul_State { * Definitons of things in the emulator * \***************************************************************************/ -extern void ARMul_EmulateInit(void) ; -extern ARMul_State *ARMul_NewState(void) ; -extern void ARMul_Reset(ARMul_State *state) ; -extern ARMword ARMul_DoProg(ARMul_State *state) ; -extern ARMword ARMul_DoInstr(ARMul_State *state) ; +extern void ARMul_EmulateInit (void); +extern ARMul_State *ARMul_NewState (void); +extern void ARMul_Reset (ARMul_State * state); +extern ARMword ARMul_DoProg (ARMul_State * state); +extern ARMword ARMul_DoInstr (ARMul_State * state); /***************************************************************************\ * Definitons of things for event handling * \***************************************************************************/ -extern void ARMul_ScheduleEvent(ARMul_State *state, unsigned long delay, unsigned (*func)() ) ; -extern void ARMul_EnvokeEvent(ARMul_State *state) ; -extern unsigned long ARMul_Time(ARMul_State *state) ; +extern void ARMul_ScheduleEvent (ARMul_State * state, unsigned long delay, + unsigned (*func) ()); +extern void ARMul_EnvokeEvent (ARMul_State * state); +extern unsigned long ARMul_Time (ARMul_State * state); /***************************************************************************\ * Useful support routines * \***************************************************************************/ -extern ARMword ARMul_GetReg(ARMul_State *state, unsigned mode, unsigned reg) ; -extern void ARMul_SetReg(ARMul_State *state, unsigned mode, unsigned reg, ARMword value) ; -extern ARMword ARMul_GetPC(ARMul_State *state) ; -extern ARMword ARMul_GetNextPC(ARMul_State *state) ; -extern void ARMul_SetPC(ARMul_State *state, ARMword value) ; -extern ARMword ARMul_GetR15(ARMul_State *state) ; -extern void ARMul_SetR15(ARMul_State *state, ARMword value) ; - -extern ARMword ARMul_GetCPSR(ARMul_State *state) ; -extern void ARMul_SetCPSR(ARMul_State *state, ARMword value) ; -extern ARMword ARMul_GetSPSR(ARMul_State *state, ARMword mode) ; -extern void ARMul_SetSPSR(ARMul_State *state, ARMword mode, ARMword value) ; +extern ARMword ARMul_GetReg (ARMul_State * state, unsigned mode, + unsigned reg); +extern void ARMul_SetReg (ARMul_State * state, unsigned mode, unsigned reg, + ARMword value); +extern ARMword ARMul_GetPC (ARMul_State * state); +extern ARMword ARMul_GetNextPC (ARMul_State * state); +extern void ARMul_SetPC (ARMul_State * state, ARMword value); +extern ARMword ARMul_GetR15 (ARMul_State * state); +extern void ARMul_SetR15 (ARMul_State * state, ARMword value); + +extern ARMword ARMul_GetCPSR (ARMul_State * state); +extern void ARMul_SetCPSR (ARMul_State * state, ARMword value); +extern ARMword ARMul_GetSPSR (ARMul_State * state, ARMword mode); +extern void ARMul_SetSPSR (ARMul_State * state, ARMword mode, ARMword value); /***************************************************************************\ * Definitons of things to handle aborts * \***************************************************************************/ -extern void ARMul_Abort(ARMul_State *state, ARMword address) ; -#define ARMul_ABORTWORD 0xefffffff /* SWI -1 */ +extern void ARMul_Abort (ARMul_State * state, ARMword address); +#define ARMul_ABORTWORD 0xefffffff /* SWI -1 */ #define ARMul_PREFETCHABORT(address) if (state->AbortAddr == 1) \ state->AbortAddr = (address & ~3L) #define ARMul_DATAABORT(address) state->abortSig = HIGH ; \ @@ -273,36 +280,51 @@ extern void ARMul_Abort(ARMul_State *state, ARMword address) ; * Definitons of things in the memory interface * \***************************************************************************/ -extern unsigned ARMul_MemoryInit(ARMul_State *state,unsigned long initmemsize) ; -extern void ARMul_MemoryExit(ARMul_State *state) ; - -extern ARMword ARMul_LoadInstrS(ARMul_State *state,ARMword address,ARMword isize) ; -extern ARMword ARMul_LoadInstrN(ARMul_State *state,ARMword address,ARMword isize) ; -extern ARMword ARMul_ReLoadInstr(ARMul_State *state,ARMword address,ARMword isize) ; - -extern ARMword ARMul_LoadWordS(ARMul_State *state,ARMword address) ; -extern ARMword ARMul_LoadWordN(ARMul_State *state,ARMword address) ; -extern ARMword ARMul_LoadHalfWord(ARMul_State *state,ARMword address) ; -extern ARMword ARMul_LoadByte(ARMul_State *state,ARMword address) ; - -extern void ARMul_StoreWordS(ARMul_State *state,ARMword address, ARMword data) ; -extern void ARMul_StoreWordN(ARMul_State *state,ARMword address, ARMword data) ; -extern void ARMul_StoreHalfWord(ARMul_State *state,ARMword address, ARMword data) ; -extern void ARMul_StoreByte(ARMul_State *state,ARMword address, ARMword data) ; - -extern ARMword ARMul_SwapWord(ARMul_State *state,ARMword address, ARMword data) ; -extern ARMword ARMul_SwapByte(ARMul_State *state,ARMword address, ARMword data) ; - -extern void ARMul_Icycles(ARMul_State *state,unsigned number, ARMword address) ; -extern void ARMul_Ccycles(ARMul_State *state,unsigned number, ARMword address) ; - -extern ARMword ARMul_ReadWord(ARMul_State *state,ARMword address) ; -extern ARMword ARMul_ReadByte(ARMul_State *state,ARMword address) ; -extern void ARMul_WriteWord(ARMul_State *state,ARMword address, ARMword data) ; -extern void ARMul_WriteByte(ARMul_State *state,ARMword address, ARMword data) ; - -extern ARMword ARMul_MemAccess(ARMul_State *state,ARMword,ARMword,ARMword, - ARMword,ARMword,ARMword,ARMword,ARMword,ARMword,ARMword) ; +extern unsigned ARMul_MemoryInit (ARMul_State * state, + unsigned long initmemsize); +extern void ARMul_MemoryExit (ARMul_State * state); + +extern ARMword ARMul_LoadInstrS (ARMul_State * state, ARMword address, + ARMword isize); +extern ARMword ARMul_LoadInstrN (ARMul_State * state, ARMword address, + ARMword isize); +extern ARMword ARMul_ReLoadInstr (ARMul_State * state, ARMword address, + ARMword isize); + +extern ARMword ARMul_LoadWordS (ARMul_State * state, ARMword address); +extern ARMword ARMul_LoadWordN (ARMul_State * state, ARMword address); +extern ARMword ARMul_LoadHalfWord (ARMul_State * state, ARMword address); +extern ARMword ARMul_LoadByte (ARMul_State * state, ARMword address); + +extern void ARMul_StoreWordS (ARMul_State * state, ARMword address, + ARMword data); +extern void ARMul_StoreWordN (ARMul_State * state, ARMword address, + ARMword data); +extern void ARMul_StoreHalfWord (ARMul_State * state, ARMword address, + ARMword data); +extern void ARMul_StoreByte (ARMul_State * state, ARMword address, + ARMword data); + +extern ARMword ARMul_SwapWord (ARMul_State * state, ARMword address, + ARMword data); +extern ARMword ARMul_SwapByte (ARMul_State * state, ARMword address, + ARMword data); + +extern void ARMul_Icycles (ARMul_State * state, unsigned number, + ARMword address); +extern void ARMul_Ccycles (ARMul_State * state, unsigned number, + ARMword address); + +extern ARMword ARMul_ReadWord (ARMul_State * state, ARMword address); +extern ARMword ARMul_ReadByte (ARMul_State * state, ARMword address); +extern void ARMul_WriteWord (ARMul_State * state, ARMword address, + ARMword data); +extern void ARMul_WriteByte (ARMul_State * state, ARMword address, + ARMword data); + +extern ARMword ARMul_MemAccess (ARMul_State * state, ARMword, ARMword, + ARMword, ARMword, ARMword, ARMword, ARMword, + ARMword, ARMword, ARMword); /***************************************************************************\ * Definitons of things in the co-processor interface * @@ -317,36 +339,36 @@ extern ARMword ARMul_MemAccess(ARMul_State *state,ARMword,ARMword,ARMword, #define ARMul_CANT 1 #define ARMul_INC 3 -extern unsigned ARMul_CoProInit(ARMul_State *state) ; -extern void ARMul_CoProExit(ARMul_State *state) ; -extern void ARMul_CoProAttach(ARMul_State *state, unsigned number, - ARMul_CPInits *init, ARMul_CPExits *exit, - ARMul_LDCs *ldc, ARMul_STCs *stc, - ARMul_MRCs *mrc, ARMul_MCRs *mcr, - ARMul_CDPs *cdp, - ARMul_CPReads *read, ARMul_CPWrites *write) ; -extern void ARMul_CoProDetach(ARMul_State *state, unsigned number) ; +extern unsigned ARMul_CoProInit (ARMul_State * state); +extern void ARMul_CoProExit (ARMul_State * state); +extern void ARMul_CoProAttach (ARMul_State * state, unsigned number, + ARMul_CPInits * init, ARMul_CPExits * exit, + ARMul_LDCs * ldc, ARMul_STCs * stc, + ARMul_MRCs * mrc, ARMul_MCRs * mcr, + ARMul_CDPs * cdp, + ARMul_CPReads * read, ARMul_CPWrites * write); +extern void ARMul_CoProDetach (ARMul_State * state, unsigned number); /***************************************************************************\ * Definitons of things in the host environment * \***************************************************************************/ -extern unsigned ARMul_OSInit(ARMul_State *state) ; -extern void ARMul_OSExit(ARMul_State *state) ; -extern unsigned ARMul_OSHandleSWI(ARMul_State *state,ARMword number) ; -extern ARMword ARMul_OSLastErrorP(ARMul_State *state) ; +extern unsigned ARMul_OSInit (ARMul_State * state); +extern void ARMul_OSExit (ARMul_State * state); +extern unsigned ARMul_OSHandleSWI (ARMul_State * state, ARMword number); +extern ARMword ARMul_OSLastErrorP (ARMul_State * state); -extern ARMword ARMul_Debug(ARMul_State *state, ARMword pc, ARMword instr) ; -extern unsigned ARMul_OSException(ARMul_State *state, ARMword vector, ARMword pc) ; -extern int rdi_log ; +extern ARMword ARMul_Debug (ARMul_State * state, ARMword pc, ARMword instr); +extern unsigned ARMul_OSException (ARMul_State * state, ARMword vector, + ARMword pc); +extern int rdi_log; /***************************************************************************\ * Host-dependent stuff * \***************************************************************************/ #ifdef macintosh -pascal void SpinCursor(short increment); /* copied from CursorCtl.h */ +pascal void SpinCursor (short increment); /* copied from CursorCtl.h */ # define HOURGLASS SpinCursor( 1 ) -# define HOURGLASS_RATE 1023 /* 2^n - 1 */ +# define HOURGLASS_RATE 1023 /* 2^n - 1 */ #endif - |