diff options
Diffstat (limited to 'src/core/arm/skyeye_common/armemu.h')
| -rw-r--r-- | src/core/arm/skyeye_common/armemu.h | 550 |
1 files changed, 13 insertions, 537 deletions
diff --git a/src/core/arm/skyeye_common/armemu.h b/src/core/arm/skyeye_common/armemu.h index 1dfcc635..6071d447 100644 --- a/src/core/arm/skyeye_common/armemu.h +++ b/src/core/arm/skyeye_common/armemu.h @@ -14,20 +14,10 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ -#ifndef __ARMEMU_H__ -#define __ARMEMU_H__ +#pragma once #include "core/arm/skyeye_common/armdefs.h" -//#include "skyeye.h" - -//extern ARMword isize; - -/* Shift Opcodes. */ -#define LSL 0 -#define LSR 1 -#define ASR 2 -#define ROR 3 /* Macros to twiddle the status flags and mode. */ #define NBIT ((unsigned)1L << 31) @@ -42,73 +32,6 @@ #define R15FBIT (1L << 26) #define R15IFBITS (3L << 26) -#ifdef MODET /* Thumb support. */ -/* ??? This bit is actually in the low order bit of the PC in the hardware. - It isn't clear if the simulator needs to model that or not. */ -#define TBIT (1L << 5) -#define TFLAG state->TFlag -#define SETT state->TFlag = 1 -#define CLEART state->TFlag = 0 -#define ASSIGNT(res) state->TFlag = res -#define INSN_SIZE (TFLAG ? 2 : 4) -#else -#define INSN_SIZE 4 -#endif - -/*add armv6 CPSR feature*/ -#define EFLAG state->EFlag -#define SETE state->EFlag = 1 -#define CLEARE state->EFlag = 0 -#define ASSIGNE(res) state->NFlag = res - -#define AFLAG state->AFlag -#define SETA state->AFlag = 1 -#define CLEARA state->AFlag = 0 -#define ASSIGNA(res) state->NFlag = res - -#define QFLAG state->QFlag -#define SETQ state->QFlag = 1 -#define CLEARQ state->AFlag = 0 -#define ASSIGNQ(res) state->QFlag = res - -/* add end */ - -#define NFLAG state->NFlag -#define SETN state->NFlag = 1 -#define CLEARN state->NFlag = 0 -#define ASSIGNN(res) state->NFlag = res - -#define ZFLAG state->ZFlag -#define SETZ state->ZFlag = 1 -#define CLEARZ state->ZFlag = 0 -#define ASSIGNZ(res) state->ZFlag = res - -#define CFLAG state->CFlag -#define SETC state->CFlag = 1 -#define CLEARC state->CFlag = 0 -#define ASSIGNC(res) state->CFlag = res - -#define VFLAG state->VFlag -#define SETV state->VFlag = 1 -#define CLEARV state->VFlag = 0 -#define ASSIGNV(res) state->VFlag = res - -#define SFLAG state->SFlag -#define SETS state->SFlag = 1 -#define CLEARS state->SFlag = 0 -#define ASSIGNS(res) state->SFlag = res - -#define IFLAG (state->IFFlags >> 1) -#define FFLAG (state->IFFlags & 1) -#define IFFLAGS state->IFFlags -#define ASSIGNINT(res) state->IFFlags = (((res) >> 6) & 3) -#define ASSIGNR15INT(res) state->IFFlags = (((res) >> 26) & 3) ; - -#define PSR_FBITS (0xff000000L) -#define PSR_SBITS (0x00ff0000L) -#define PSR_XBITS (0x0000ff00L) -#define PSR_CBITS (0x000000ffL) - #if defined MODE32 || defined MODET #define CCBITS (0xf8000000L) #else @@ -132,7 +55,6 @@ #define R15PCBITS (0x03fffffcL) #endif -#define R15PCMODEBITS (0x03ffffffL) #define R15MODEBITS (0x3L) #ifdef MODE32 @@ -153,106 +75,7 @@ #define R15PCMODE (state->Reg[15] & (R15PCBITS | R15MODEBITS)) #define R15MODE (state->Reg[15] & R15MODEBITS) -#define ECC ((NFLAG << 31) | (ZFLAG << 30) | (CFLAG << 29) | (VFLAG << 28) | (QFLAG << 27)) -#define EINT (IFFLAGS << 6) -#define ER15INT (IFFLAGS << 26) -#define EMODE (state->Mode) -#define EGEBITS (state->GEFlag & 0x000F0000) - -#ifdef MODET -#define CPSR (ECC | EGEBITS | (EFLAG << 9) | (AFLAG << 8) | EINT | (TFLAG << 5) | EMODE) -#else -#define CPSR (ECC | EINT | EMODE) -#endif - -#ifdef MODE32 -#define PATCHR15 -#else -#define PATCHR15 state->Reg[15] = ECC | ER15INT | EMODE | R15PC -#endif - -#define GETSPSR(bank) (ARMul_GetSPSR (state, EMODE)) -#define SETPSR_F(d,s) d = ((d) & ~PSR_FBITS) | ((s) & PSR_FBITS) -#define SETPSR_S(d,s) d = ((d) & ~PSR_SBITS) | ((s) & PSR_SBITS) -#define SETPSR_X(d,s) d = ((d) & ~PSR_XBITS) | ((s) & PSR_XBITS) -#define SETPSR_C(d,s) d = ((d) & ~PSR_CBITS) | ((s) & PSR_CBITS) - -#define SETR15PSR(s) \ - do \ - { \ - if (state->Mode == USER26MODE) \ - { \ - state->Reg[15] = ((s) & CCBITS) | R15PC | ER15INT | EMODE; \ - ASSIGNN ((state->Reg[15] & NBIT) != 0); \ - ASSIGNZ ((state->Reg[15] & ZBIT) != 0); \ - ASSIGNC ((state->Reg[15] & CBIT) != 0); \ - ASSIGNV ((state->Reg[15] & VBIT) != 0); \ - } \ - else \ - { \ - state->Reg[15] = R15PC | ((s) & (CCBITS | R15INTBITS | R15MODEBITS)); \ - ARMul_R15Altered (state); \ - } \ - } \ - while (0) - -#define SETABORT(i, m, d) \ - do \ - { \ - int SETABORT_mode = (m); \ - \ - ARMul_SetSPSR (state, SETABORT_mode, ARMul_GetCPSR (state)); \ - ARMul_SetCPSR (state, ((ARMul_GetCPSR (state) & ~(EMODE | TBIT)) \ - | (i) | SETABORT_mode)); \ - state->Reg[14] = temp - (d); \ - } \ - while (0) - -#ifndef MODE32 -#define VECTORS 0x20 -#define LEGALADDR 0x03ffffff -#define VECTORACCESS(address) (address < VECTORS && ARMul_MODE26BIT && state->prog32Sig) -#define ADDREXCEPT(address) (address > LEGALADDR && !state->data32Sig) -#endif - -#define INTERNALABORT(address) \ - do \ - { \ - if (address < VECTORS) \ - state->Aborted = ARMul_DataAbortV; \ - else \ - state->Aborted = ARMul_AddrExceptnV; \ - } \ - while (0) - -#ifdef MODE32 -#define TAKEABORT ARMul_Abort (state, ARMul_DataAbortV) -#else -#define TAKEABORT \ - do \ - { \ - if (state->Aborted == ARMul_AddrExceptnV) \ - ARMul_Abort (state, ARMul_AddrExceptnV); \ - else \ - ARMul_Abort (state, ARMul_DataAbortV); \ - } \ - while (0) -#endif - -#define CPTAKEABORT \ - do \ - { \ - if (!state->Aborted) \ - ARMul_Abort (state, ARMul_UndefinedInstrV); \ - else if (state->Aborted == ARMul_AddrExceptnV) \ - ARMul_Abort (state, ARMul_AddrExceptnV); \ - else \ - ARMul_Abort (state, ARMul_DataAbortV); \ - } \ - while (0); - - -/* Different ways to start the next instruction. */ +// Different ways to start the next instruction. #define SEQ 0 #define NONSEQ 1 #define PCINCEDSEQ 2 @@ -260,352 +83,23 @@ #define PRIMEPIPE 4 #define RESUME 8 -/************************************/ -/* shenoubang 2012-3-11 */ -/* for armv7 DBG DMB DSB instr*/ -/************************************/ -#define MBReqTypes_Writes 0 -#define MBReqTypes_All 1 - -#define NORMALCYCLE state->NextInstr = 0 -#define BUSUSEDN state->NextInstr |= 1 /* The next fetch will be an N cycle. */ -#define BUSUSEDINCPCS \ - do \ - { \ - if (! state->is_v4) \ - { \ - /* A standard PC inc and an S cycle. */ \ - state->Reg[15] += INSN_SIZE; \ - state->NextInstr = (state->NextInstr & 0xff) | 2; \ - } \ - } \ - while (0) - -#define BUSUSEDINCPCN \ - do \ - { \ - if (state->is_v4) \ - BUSUSEDN; \ - else \ - { \ - /* A standard PC inc and an N cycle. */ \ - state->Reg[15] += INSN_SIZE; \ - state->NextInstr |= 3; \ - } \ - } \ - while (0) - -#define INCPC \ - do \ - { \ - /* A standard PC inc. */ \ - state->Reg[15] += INSN_SIZE; \ - state->NextInstr |= 2; \ - } \ - while (0) - #define FLUSHPIPE state->NextInstr |= PRIMEPIPE -/* Cycle based emulation. */ - -#define OUTPUTCP(i,a,b) -#define NCYCLE -#define SCYCLE -#define ICYCLE -#define CCYCLE -#define NEXTCYCLE(c) - -/* Macros to extract parts of instructions. */ -#define DESTReg (BITS (12, 15)) -#define LHSReg (BITS (16, 19)) -#define RHSReg (BITS ( 0, 3)) - -#define DEST (state->Reg[DESTReg]) - -#ifdef MODE32 -#ifdef MODET -#define LHS ((LHSReg == 15) ? (state->Reg[15] & 0xFFFFFFFC) : (state->Reg[LHSReg])) -#define RHS ((RHSReg == 15) ? (state->Reg[15] & 0xFFFFFFFC) : (state->Reg[RHSReg])) -#else -#define LHS (state->Reg[LHSReg]) -#define RHS (state->Reg[RHSReg]) -#endif -#else -#define LHS ((LHSReg == 15) ? R15PC : (state->Reg[LHSReg])) -#define RHS ((RHSReg == 15) ? R15PC : (state->Reg[RHSReg])) -#endif - -#define MULDESTReg (BITS (16, 19)) -#define MULLHSReg (BITS ( 0, 3)) -#define MULRHSReg (BITS ( 8, 11)) -#define MULACCReg (BITS (12, 15)) - -#define DPImmRHS (ARMul_ImmedTable[BITS(0, 11)]) -#define DPSImmRHS temp = BITS(0,11) ; \ - rhs = ARMul_ImmedTable[temp] ; \ - if (temp > 255) /* There was a shift. */ \ - ASSIGNC (rhs >> 31) ; - -#ifdef MODE32 -#define DPRegRHS ((BITS (4,11) == 0) ? state->Reg[RHSReg] \ - : GetDPRegRHS (state, instr)) -#define DPSRegRHS ((BITS (4,11) == 0) ? state->Reg[RHSReg] \ - : GetDPSRegRHS (state, instr)) -#else -#define DPRegRHS ((BITS (0, 11) < 15) ? state->Reg[RHSReg] \ - : GetDPRegRHS (state, instr)) -#define DPSRegRHS ((BITS (0, 11) < 15) ? state->Reg[RHSReg] \ - : GetDPSRegRHS (state, instr)) -#endif - -#define LSBase state->Reg[LHSReg] -#define LSImmRHS (BITS(0,11)) - -#ifdef MODE32 -#define LSRegRHS ((BITS (4, 11) == 0) ? state->Reg[RHSReg] \ - : GetLSRegRHS (state, instr)) -#else -#define LSRegRHS ((BITS (0, 11) < 15) ? state->Reg[RHSReg] \ - : GetLSRegRHS (state, instr)) -#endif - -#define LSMNumRegs ((ARMword) ARMul_BitList[BITS (0, 7)] + \ - (ARMword) ARMul_BitList[BITS (8, 15)] ) -#define LSMBaseFirst ((LHSReg == 0 && BIT (0)) || \ - (BIT (LHSReg) && BITS (0, LHSReg - 1) == 0)) - -#define SWAPSRC (state->Reg[RHSReg]) - -#define LSCOff (BITS (0, 7) << 2) -#define CPNum BITS (8, 11) - -/* Determine if access to coprocessor CP is permitted. - The XScale has a register in CP15 which controls access to CP0 - CP13. */ -//chy 2003-09-03, new CP_ACCESS_ALLOWED -/* -#define CP_ACCESS_ALLOWED(STATE, CP) \ - ( ((CP) >= 14) \ - || (! (STATE)->is_XScale) \ - || (read_cp15_reg (15, 0, 1) & (1 << (CP)))) -*/ -#define CP_ACCESS_ALLOWED(STATE, CP) \ - ( ((CP) >= 14) ) \ - -/* Macro to rotate n right by b bits. */ +// Macro to rotate n right by b bits. #define ROTATER(n, b) (((n) >> (b)) | ((n) << (32 - (b)))) -/* Macros to store results of instructions. */ -#define WRITEDEST(d) \ - do \ - { \ - if (DESTReg == 15) \ - WriteR15 (state, d); \ - else \ - DEST = d; \ - } \ - while (0) - -#define WRITESDEST(d) \ - do \ - { \ - if (DESTReg == 15) \ - WriteSR15 (state, d); \ - else \ - { \ - DEST = d; \ - ARMul_NegZero (state, d); \ - } \ - } \ - while (0) - -#define WRITEDESTB(d) \ - do \ - { \ - if (DESTReg == 15){ \ - WriteR15Branch (state, d); \ - } \ - else{ \ - DEST = d; \ - } \ - } \ - while (0) - -#define BYTETOBUS(data) ((data & 0xff) | \ - ((data & 0xff) << 8) | \ - ((data & 0xff) << 16) | \ - ((data & 0xff) << 24)) - -#define BUSTOBYTE(address, data) \ - do \ - { \ - if (state->bigendSig) \ - temp = (data >> (((address ^ 3) & 3) << 3)) & 0xff; \ - else \ - temp = (data >> ((address & 3) << 3)) & 0xff; \ - } \ - while (0) - -#define LOADMULT(instr, address, wb) LoadMult (state, instr, address, wb) -#define LOADSMULT(instr, address, wb) LoadSMult (state, instr, address, wb) -#define STOREMULT(instr, address, wb) StoreMult (state, instr, address, wb) -#define STORESMULT(instr, address, wb) StoreSMult (state, instr, address, wb) - -#define POSBRANCH ((instr & 0x7fffff) << 2) -#define NEGBRANCH ((0xff000000 |(instr & 0xffffff)) << 2) - - -/* Values for Emulate. */ -#define STOP 0 /* stop */ -#define CHANGEMODE 1 /* change mode */ -#define ONCE 2 /* execute just one interation */ -#define RUN 3 /* continuous execution */ - -/* Stuff that is shared across modes. */ -extern unsigned ARMul_MultTable[]; /* Number of I cycles for a mult. */ -extern ARMword ARMul_ImmedTable[]; /* Immediate DP LHS values. */ -extern char ARMul_BitList[]; /* Number of bits in a byte table. */ - -#define EVENTLISTSIZE 1024L - -/* Thumb support. */ -typedef enum -{ - t_undefined, /* Undefined Thumb instruction. */ - t_decoded, /* Instruction decoded to ARM equivalent. */ - t_branch /* Thumb branch (already processed). */ -} -tdstate; - -/********************************************************************************* - * Check all the possible undef or unpredict behavior, Some of them probably is - * out-of-updated with the newer ISA. - * -- Michael.Kang - ********************************************************************************/ -#define UNDEF_WARNING LOG_WARNING(Core_ARM11, "undefined or unpredicted behavior for arm instruction."); - -/* Macros to scrutinize instructions. */ -#define UNDEF_Test UNDEF_WARNING -//#define UNDEF_Test - -//#define UNDEF_Shift UNDEF_WARNING -#define UNDEF_Shift - -//#define UNDEF_MSRPC UNDEF_WARNING -#define UNDEF_MSRPC - -//#define UNDEF_MRSPC UNDEF_WARNING -#define UNDEF_MRSPC +// Values for Emulate. +#define STOP 0 // stop +#define CHANGEMODE 1 // change mode +#define ONCE 2 // execute just one interation +#define RUN 3 // continuous execution -#define UNDEF_MULPCDest UNDEF_WARNING -//#define UNDEF_MULPCDest +// Stuff that is shared across modes. +extern unsigned ARMul_MultTable[]; // Number of I cycles for a mult. +extern ARMword ARMul_ImmedTable[]; // Immediate DP LHS values. +extern char ARMul_BitList[]; // Number of bits in a byte table. -#define UNDEF_MULDestEQOp1 UNDEF_WARNING -//#define UNDEF_MULDestEQOp1 - -//#define UNDEF_LSRBPC UNDEF_WARNING -#define UNDEF_LSRBPC - -//#define UNDEF_LSRBaseEQOffWb UNDEF_WARNING -#define UNDEF_LSRBaseEQOffWb - -//#define UNDEF_LSRBaseEQDestWb UNDEF_WARNING -#define UNDEF_LSRBaseEQDestWb - -//#define UNDEF_LSRPCBaseWb UNDEF_WARNING -#define UNDEF_LSRPCBaseWb - -//#define UNDEF_LSRPCOffWb UNDEF_WARNING -#define UNDEF_LSRPCOffWb - -//#define UNDEF_LSMNoRegs UNDEF_WARNING -#define UNDEF_LSMNoRegs - -//#define UNDEF_LSMPCBase UNDEF_WARNING -#define UNDEF_LSMPCBase - -//#define UNDEF_LSMUserBankWb UNDEF_WARNING -#define UNDEF_LSMUserBankWb - -//#define UNDEF_LSMBaseInListWb UNDEF_WARNING -#define UNDEF_LSMBaseInListWb - -#define UNDEF_SWPPC UNDEF_WARNING -//#define UNDEF_SWPPC - -#define UNDEF_CoProHS UNDEF_WARNING -//#define UNDEF_CoProHS - -#define UNDEF_MCRPC UNDEF_WARNING -//#define UNDEF_MCRPC - -//#define UNDEF_LSCPCBaseWb UNDEF_WARNING -#define UNDEF_LSCPCBaseWb - -#define UNDEF_UndefNotBounced UNDEF_WARNING -//#define UNDEF_UndefNotBounced - -#define UNDEF_ShortInt UNDEF_WARNING -//#define UNDEF_ShortInt - -#define UNDEF_IllegalMode UNDEF_WARNING -//#define UNDEF_IllegalMode - -#define UNDEF_Prog32SigChange UNDEF_WARNING -//#define UNDEF_Prog32SigChange - -#define UNDEF_Data32SigChange UNDEF_WARNING -//#define UNDEF_Data32SigChange - -/* Prototypes for exported functions. */ -extern unsigned ARMul_NthReg (ARMword, unsigned); - -/* Prototypes for exported functions. */ -#ifdef __cplusplus - extern "C" { -#endif -extern ARMword ARMul_Emulate26 (ARMul_State *); -extern ARMword ARMul_Emulate32 (ARMul_State *); -#ifdef __cplusplus - } -#endif -extern unsigned IntPending (ARMul_State *); -extern void ARMul_CPSRAltered (ARMul_State *); -extern void ARMul_R15Altered (ARMul_State *); -extern ARMword ARMul_GetPC (ARMul_State *); -extern ARMword ARMul_GetNextPC (ARMul_State *); -extern ARMword ARMul_GetR15 (ARMul_State *); -extern ARMword ARMul_GetCPSR (ARMul_State *); -extern void ARMul_EnvokeEvent (ARMul_State *); -extern unsigned int ARMul_Time (ARMul_State *); -extern void ARMul_NegZero (ARMul_State *, ARMword); -extern void ARMul_SetPC (ARMul_State *, ARMword); -extern void ARMul_SetR15 (ARMul_State *, ARMword); -extern void ARMul_SetCPSR (ARMul_State *, ARMword); -extern ARMword ARMul_GetSPSR (ARMul_State *, ARMword); -extern void ARMul_Abort26 (ARMul_State *, ARMword); -extern void ARMul_Abort32 (ARMul_State *, ARMword); -extern ARMword ARMul_MRC (ARMul_State *, ARMword); -extern void ARMul_MRRC (ARMul_State *, ARMword, ARMword *, ARMword *); -extern void ARMul_CDP (ARMul_State *, ARMword); -extern void ARMul_LDC (ARMul_State *, ARMword, ARMword); -extern void ARMul_STC (ARMul_State *, ARMword, ARMword); -extern void ARMul_MCR (ARMul_State *, ARMword, ARMword); -extern void ARMul_MCRR (ARMul_State *, ARMword, ARMword, ARMword); -extern void ARMul_SetSPSR (ARMul_State *, ARMword, ARMword); -extern ARMword ARMul_SwitchMode (ARMul_State *, ARMword, ARMword); -extern ARMword ARMul_Align (ARMul_State *, ARMword, ARMword); -extern ARMword ARMul_SwitchMode (ARMul_State *, ARMword, ARMword); -extern void ARMul_MSRCpsr (ARMul_State *, ARMword, ARMword); -extern void ARMul_SubOverflow (ARMul_State *, ARMword, ARMword, ARMword); -extern void ARMul_AddOverflow (ARMul_State *, ARMword, ARMword, ARMword); -extern void ARMul_SubCarry (ARMul_State *, ARMword, ARMword, ARMword); -extern void ARMul_AddCarry (ARMul_State *, ARMword, ARMword, ARMword); -extern tdstate ARMul_ThumbDecode (ARMul_State *, ARMword, ARMword, ARMword *); -extern ARMword ARMul_GetReg (ARMul_State *, unsigned, unsigned); -extern void ARMul_SetReg (ARMul_State *, unsigned, unsigned, ARMword); -extern void ARMul_ScheduleEvent (ARMul_State *, unsigned int, - unsigned (*)(ARMul_State *)); -/* Coprocessor support functions. */ +// Coprocessor support functions. extern unsigned ARMul_CoProInit (ARMul_State *); extern void ARMul_CoProExit (ARMul_State *); extern void ARMul_CoProAttach (ARMul_State *, unsigned, ARMul_CPInits *, @@ -613,21 +107,3 @@ extern void ARMul_CoProAttach (ARMul_State *, unsigned, ARMul_CPInits *, ARMul_MRCs *, ARMul_MCRs *, ARMul_MRRCs *, ARMul_MCRRs *, ARMul_CDPs *, ARMul_CPReads *, ARMul_CPWrites *); extern void ARMul_CoProDetach (ARMul_State *, unsigned); -extern ARMword read_cp15_reg (unsigned, unsigned, unsigned); - -extern unsigned DSPLDC4 (ARMul_State *, unsigned, ARMword, ARMword); -extern unsigned DSPMCR4 (ARMul_State *, unsigned, ARMword, ARMword); -extern unsigned DSPMRC4 (ARMul_State *, unsigned, ARMword, ARMword *); -extern unsigned DSPSTC4 (ARMul_State *, unsigned, ARMword, ARMword *); -extern unsigned DSPCDP4 (ARMul_State *, unsigned, ARMword); -extern unsigned DSPMCR5 (ARMul_State *, unsigned, ARMword, ARMword); -extern unsigned DSPMRC5 (ARMul_State *, unsigned, ARMword, ARMword *); -extern unsigned DSPLDC5 (ARMul_State *, unsigned, ARMword, ARMword); -extern unsigned DSPSTC5 (ARMul_State *, unsigned, ARMword, ARMword *); -extern unsigned DSPCDP5 (ARMul_State *, unsigned, ARMword); -extern unsigned DSPMCR6 (ARMul_State *, unsigned, ARMword, ARMword); -extern unsigned DSPMRC6 (ARMul_State *, unsigned, ARMword, ARMword *); -extern unsigned DSPCDP6 (ARMul_State *, unsigned, ARMword); - - -#endif |