diff options
Diffstat (limited to 'sim/arm/armdefs.h')
| -rw-r--r-- | sim/arm/armdefs.h | 426 |
1 files changed, 0 insertions, 426 deletions
diff --git a/sim/arm/armdefs.h b/sim/arm/armdefs.h deleted file mode 100644 index d87220b..0000000 --- a/sim/arm/armdefs.h +++ /dev/null @@ -1,426 +0,0 @@ -/* armdefs.h -- ARMulator common definitions: ARM6 Instruction Emulator. - Copyright (C) 1994 Advanced RISC Machines Ltd. - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, see <http://www.gnu.org/licenses/>. */ - -#ifndef ARMDEFS_H -#define ARMDEFS_H - -#include <stdio.h> -#include <stdlib.h> -#include <stdint.h> -#include <ansidecl.h> - -#define FALSE 0 -#define TRUE 1 -#define LOW 0 -#define HIGH 1 -#define LOWHIGH 1 -#define HIGHLOW 2 - -typedef uint32_t ARMword; -typedef int32_t ARMsword; -typedef uint64_t ARMdword; -typedef int64_t ARMsdword; -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); - -typedef double ARMdval; /* FIXME: Must be a 64-bit floating point type. */ -typedef float ARMfval; /* FIXME: Must be a 32-bit floating point type. */ - -typedef union -{ - ARMword uword[2]; - ARMsword sword[2]; - ARMfval fval[2]; - ARMdword dword; - ARMdval dval; -} ARM_VFP_reg; - -#define VFP_fval(N) (state->VFP_Reg[(N)>> 1].fval[(N) & 1]) -#define VFP_uword(N) (state->VFP_Reg[(N)>> 1].uword[(N) & 1]) -#define VFP_sword(N) (state->VFP_Reg[(N)>> 1].sword[(N) & 1]) - -#define VFP_dval(N) (state->VFP_Reg[(N)].dval) -#define VFP_dword(N) (state->VFP_Reg[(N)].dword) - -struct ARMul_State -{ - ARMword Emulate; /* to start and stop emulation */ - unsigned EndCondition; /* reason for stopping */ - ARMword Reg[16]; /* the current register file */ - ARMword RegBank[7][16]; /* all the registers */ - /* 40 bit accumulator. We always keep this 64 bits wide, - and move only 40 bits out of it in an MRA insn. */ - ARMdword Accumulator; - ARMword Cpsr; /* the current psr */ - ARMword Spsr[7]; /* the exception psr's */ - ARMword NFlag, ZFlag, CFlag, VFlag, IFFlags; /* dummy flags for speed */ - ARMword SFlag; -#ifdef MODET - 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 long LastTime; /* Value of last call to ARMul_Time() */ - ARMword CP14R0_CCD; /* used to count 64 clock cycles with CP14 R0 bit - 3 set */ - - 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; - - unsigned is_v4; /* Are we emulating a v4 architecture (or higher) ? */ - unsigned is_v5; /* Are we emulating a v5 architecture ? */ - unsigned is_v5e; /* Are we emulating a v5e architecture ? */ - unsigned is_v6; /* Are we emulating a v6 architecture ? */ - unsigned is_XScale; /* Are we emulating an XScale architecture ? */ - unsigned is_iWMMXt; /* Are we emulating an iWMMXt co-processor ? */ - unsigned is_ep9312; /* Are we emulating a Cirrus Maverick co-processor ? */ - unsigned verbose; /* Print various messages like the banner */ - - ARM_VFP_reg VFP_Reg[32]; /* Advanced SIMD registers. */ - ARMword FPSCR; /* Floating Point Status Register. */ -}; - -/***************************************************************************\ -* Properties 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 -#define ARM_v4_Prop 0x40 -#define ARM_v5_Prop 0x80 -#define ARM_v5e_Prop 0x100 -#define ARM_XScale_Prop 0x200 -#define ARM_ep9312_Prop 0x400 -#define ARM_iWMMXt_Prop 0x800 -#define ARM_v6_Prop 0x1000 - -/***************************************************************************\ -* Macros to extract instruction fields * -\***************************************************************************/ - -#undef BIT /* common/sim-bits.h conflict :( */ -#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 * -\***************************************************************************/ - -#define ARMResetV 0L -#define ARMUndefinedInstrV 4L -#define ARMSWIV 8L -#define ARMPrefetchAbortV 12L -#define ARMDataAbortV 16L -#define ARMAddrExceptnV 20L -#define ARMIRQV 24L -#define ARMFIQV 28L -#define ARMErrorV 32L /* This is an offset, not an address ! */ - -#define ARMul_ResetV ARMResetV -#define ARMul_UndefinedInstrV ARMUndefinedInstrV -#define ARMul_SWIV ARMSWIV -#define ARMul_PrefetchAbortV ARMPrefetchAbortV -#define ARMul_DataAbortV ARMDataAbortV -#define ARMul_AddrExceptnV ARMAddrExceptnV -#define ARMul_IRQV ARMIRQV -#define ARMul_FIQV ARMFIQV - -/***************************************************************************\ -* Mode and Bank Constants * -\***************************************************************************/ - -#define USER26MODE 0L -#define FIQ26MODE 1L -#define IRQ26MODE 2L -#define SVC26MODE 3L -#define USER32MODE 16L -#define FIQ32MODE 17L -#define IRQ32MODE 18L -#define SVC32MODE 19L -#define ABORT32MODE 23L -#define UNDEF32MODE 27L -#define SYSTEMMODE 31L - -#define ARM32BITMODE (state->Mode > 3) -#define ARM26BITMODE (state->Mode <= 3) -#define ARMMODE (state->Mode) -#define ARMul_MODEBITS 0x1fL -#define ARMul_MODE32BIT ARM32BITMODE -#define ARMul_MODE26BIT ARM26BITMODE - -#define USERBANK 0 -#define FIQBANK 1 -#define IRQBANK 2 -#define SVCBANK 3 -#define ABORTBANK 4 -#define UNDEFBANK 5 -#define DUMMYBANK 6 -#define SYSTEMBANK USERBANK - -#define BANK_CAN_ACCESS_SPSR(bank) \ - ((bank) != USERBANK && (bank) != SYSTEMBANK && (bank) != DUMMYBANK) - -/***************************************************************************\ -* 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); - -/***************************************************************************\ -* 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); - -/***************************************************************************\ -* 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); - -/***************************************************************************\ -* Definitons of things to handle aborts * -\***************************************************************************/ - -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 ; \ - state->Aborted = ARMul_DataAbortV ; -#define ARMul_CLEARABORT state->abortSig = LOW - -/***************************************************************************\ -* 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 ARMword ARMul_SafeReadByte (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 void ARMul_SafeWriteByte (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 * -\***************************************************************************/ - -#define ARMul_FIRST 0 -#define ARMul_TRANSFER 1 -#define ARMul_BUSY 2 -#define ARMul_DATA 3 -#define ARMul_INTERRUPT 4 -#define ARMul_DONE 0 -#define ARMul_CANT 1 -#define ARMul_INC 3 - -#define ARMul_CP13_R0_FIQ 0x1 -#define ARMul_CP13_R0_IRQ 0x2 -#define ARMul_CP13_R8_PMUS 0x1 - -#define ARMul_CP14_R0_ENABLE 0x0001 -#define ARMul_CP14_R0_CLKRST 0x0004 -#define ARMul_CP14_R0_CCD 0x0008 -#define ARMul_CP14_R0_INTEN0 0x0010 -#define ARMul_CP14_R0_INTEN1 0x0020 -#define ARMul_CP14_R0_INTEN2 0x0040 -#define ARMul_CP14_R0_FLAG0 0x0100 -#define ARMul_CP14_R0_FLAG1 0x0200 -#define ARMul_CP14_R0_FLAG2 0x0400 -#define ARMul_CP14_R10_MOE_IB 0x0004 -#define ARMul_CP14_R10_MOE_DB 0x0008 -#define ARMul_CP14_R10_MOE_BT 0x000c -#define ARMul_CP15_R1_ENDIAN 0x0080 -#define ARMul_CP15_R1_ALIGN 0x0002 -#define ARMul_CP15_R5_X 0x0400 -#define ARMul_CP15_R5_ST_ALIGN 0x0001 -#define ARMul_CP15_R5_IMPRE 0x0406 -#define ARMul_CP15_R5_MMU_EXCPT 0x0400 -#define ARMul_CP15_DBCON_M 0x0100 -#define ARMul_CP15_DBCON_E1 0x000c -#define ARMul_CP15_DBCON_E0 0x0003 - -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 void XScale_check_memacc (ARMul_State * state, ARMword * address, - int store); -extern void XScale_set_fsr_far (ARMul_State * state, ARMword fsr, ARMword far); -extern int XScale_debug_moe (ARMul_State * state, int moe); - -/***************************************************************************\ -* Definitons of things in the host environment * -\***************************************************************************/ - -extern unsigned ARMul_OSInit (ARMul_State * state); -extern unsigned ARMul_OSHandleSWI (ARMul_State * state, ARMword number); - -/***************************************************************************\ -* Host-dependent stuff * -\***************************************************************************/ - -extern void ARMul_UndefInstr (ARMul_State *, ARMword); -extern void ARMul_FixCPSR (ARMul_State *, ARMword, ARMword); -extern void ARMul_FixSPSR (ARMul_State *, ARMword, ARMword); -extern void ARMul_ConsolePrint (ARMul_State *, const char *, ...) - ATTRIBUTE_PRINTF (2, 3); -extern void ARMul_SelectProcessor (ARMul_State *, unsigned); - -#endif |