mirror of
				https://github.com/PabloMK7/citra.git
				synced 2025-10-31 13:50:03 +00:00 
			
		
		
		
	Merge pull request #359 from lioncash/vfp
vfp: Actually make the code somewhat readable
This commit is contained in:
		
						commit
						9a403d7dfb
					
				
					 5 changed files with 1053 additions and 1664 deletions
				
			
		|  | @ -28,9 +28,40 @@ | |||
| #include "core/arm/dyncom/arm_dyncom_dec.h" | ||||
| 
 | ||||
| const ISEITEM arm_instruction[] = { | ||||
| 	#define VFP_DECODE | ||||
| 	#include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| 	#undef VFP_DECODE | ||||
| 	{"vmla",        4,      ARMVFP2,        23, 27, 0x1C,  20, 21, 0x0,    9, 11, 0x5,     4, 4, 0}, | ||||
| 	{"vmls",        7,      ARMVFP2,        28, 31, 0xF,   25, 27, 0x1,   23, 23, 1,  11, 11, 0,  8, 9, 0x2,  6, 6, 1,  4, 4, 0}, | ||||
| 	{"vnmla",       4,      ARMVFP2,        23, 27, 0x1C,  20, 21, 0x1,    9, 11, 0x5,     4, 4, 0}, | ||||
| 	{"vnmla",       5,      ARMVFP2,        23, 27, 0x1C,  20, 21, 0x2,    9, 11, 0x5,     6, 6, 1,     4, 4, 0}, | ||||
| 	{"vnmls",       5,      ARMVFP2,        23, 27, 0x1C,  20, 21, 0x1,    9, 11, 0x5,     6, 6, 0,     4, 4, 0}, | ||||
| 	{"vnmul",       5,      ARMVFP2,        23, 27, 0x1C,  20, 21, 0x2,    9, 11, 0x5,     6, 6, 1,     4, 4, 0}, | ||||
| 	{"vmul",        5,      ARMVFP2,        23, 27, 0x1C,  20, 21, 0x2,    9, 11, 0x5,     6, 6, 0,     4, 4, 0}, | ||||
| 	{"vadd",        5,      ARMVFP2,        23, 27, 0x1C,  20, 21, 0x3,    9, 11, 0x5,     6, 6, 0,     4, 4, 0}, | ||||
| 	{"vsub",        5,      ARMVFP2,        23, 27, 0x1C,  20, 21, 0x3,    9, 11, 0x5,     6, 6, 1,     4, 4, 0}, | ||||
| 	{"vdiv",        5,      ARMVFP2,        23, 27, 0x1D,  20, 21, 0x0,    9, 11, 0x5,     6, 6, 0,     4, 4, 0}, | ||||
| 	{"vmov(i)",     4,      ARMVFP3,        23, 27, 0x1D,  20, 21, 0x3,    9, 11, 0x5,     4, 7, 0}, | ||||
| 	{"vmov(r)",     5,      ARMVFP3,        23, 27, 0x1D,  16, 21, 0x30,   9, 11, 0x5,     6, 7, 1,     4, 4, 0}, | ||||
| 	{"vabs",        5,      ARMVFP2,        23, 27, 0x1D,  16, 21, 0x30,   9, 11, 0x5,     6, 7, 3,     4, 4, 0}, | ||||
| 	{"vneg",        5,      ARMVFP2,        23, 27, 0x1D,  17, 21, 0x18,   9, 11, 0x5,     6, 7, 1,     4, 4, 0}, | ||||
| 	{"vsqrt",       5,      ARMVFP2,        23, 27, 0x1D,  16, 21, 0x31,   9, 11, 0x5,     6, 7, 3,     4, 4, 0}, | ||||
| 	{"vcmp",        5,      ARMVFP2,        23, 27, 0x1D,  16, 21, 0x34,   9, 11, 0x5,     6, 6, 1,     4, 4, 0}, | ||||
| 	{"vcmp2",       5,      ARMVFP2,        23, 27, 0x1D,  16, 21, 0x35,   9, 11, 0x5,     0, 6, 0x40}, | ||||
| 	{"vcvt(bds)",   5,      ARMVFP2,        23, 27, 0x1D,  16, 21, 0x37,   9, 11, 0x5,     6, 7, 3,     4, 4, 0}, | ||||
| 	{"vcvt(bff)",   6,      ARMVFP3,        23, 27, 0x1D,  19, 21, 0x7,    17, 17, 0x1,    9, 11,5,     6, 6, 1}, | ||||
| 	{"vcvt(bfi)",   5,      ARMVFP2,        23, 27, 0x1D,  19, 21, 0x7,    9, 11, 0x5,     6, 6, 1,     4, 4, 0}, | ||||
| 	{"vmovbrs",     3,      ARMVFP2,        21, 27, 0x70,   8, 11, 0xA,    0, 6, 0x10}, | ||||
| 	{"vmsr",        2,      ARMVFP2,        20, 27, 0xEE,   0, 11, 0xA10}, | ||||
| 	{"vmovbrc",     4,      ARMVFP2,        23, 27, 0x1C,   20, 20, 0x0,   8, 11, 0xB,     0,4,0x10}, | ||||
| 	{"vmrs",        2,      ARMVFP2,        20, 27, 0xEF,   0, 11, 0xA10}, | ||||
| 	{"vmovbcr",     4,      ARMVFP2,        24, 27, 0xE,    20, 20, 1,     8, 11, 0xB,     0,4,0x10}, | ||||
| 	{"vmovbrrss",   3,      ARMVFP2,        21, 27, 0x62,   8, 11, 0xA,    4, 4, 1}, | ||||
| 	{"vmovbrrd",    3,      ARMVFP2,        21, 27, 0x62,   6, 11, 0x2C,   4, 4, 1}, | ||||
| 	{"vstr",        3,      ARMVFP2,        24, 27, 0xD,    20, 21, 0,     9, 11,5}, | ||||
| 	{"vpush",       3,      ARMVFP2,        23, 27, 0x1A,   16, 21, 0x2D,  9, 11,5}, | ||||
| 	{"vstm",        3,      ARMVFP2,        25, 27, 0x6,    20, 20, 0,     9, 11,5}, | ||||
| 	{"vpop",        3,      ARMVFP2,        23, 27, 0x19,   16, 21, 0x3D,  9, 11,5}, | ||||
| 	{"vldr",        3,      ARMVFP2,        24, 27, 0xD,    20, 21, 1,     9, 11,5}, | ||||
| 	{"vldm",        3,      ARMVFP2,        25, 27, 0x6,    20, 20, 1,     9, 11,5}, | ||||
| 
 | ||||
| 	{"srs"	,  4	,  6	, 25, 31, 0x0000007c, 22, 22, 0x00000001, 16, 20, 0x0000000d,  8, 11, 0x00000005}, | ||||
| 	{"rfe"	,  4	,  6	, 25, 31, 0x0000007c, 22, 22, 0x00000000, 20, 20, 0x00000001,  8, 11, 0x0000000a}, | ||||
| 	{"bkpt"	,  2	,  3	, 20, 31, 0x00000e12,  4,  7, 0x00000007}, | ||||
|  | @ -187,9 +218,40 @@ const ISEITEM arm_instruction[] = { | |||
| }; | ||||
| 
 | ||||
| const ISEITEM arm_exclusion_code[] = { | ||||
| 	#define VFP_DECODE_EXCLUSION | ||||
| 	#include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| 	#undef VFP_DECODE_EXCLUSION | ||||
| 	{"vmla",        0,      ARMVFP2, 0}, | ||||
| 	{"vmls",        0,      ARMVFP2, 0}, | ||||
| 	{"vnmla",       0,      ARMVFP2, 0}, | ||||
| 	{"vnmla",       0,      ARMVFP2, 0}, | ||||
| 	{"vnmls",       0,      ARMVFP2, 0}, | ||||
| 	{"vnmul",       0,      ARMVFP2, 0}, | ||||
| 	{"vmul",        0,      ARMVFP2, 0}, | ||||
| 	{"vadd",        0,      ARMVFP2, 0}, | ||||
| 	{"vsub",        0,      ARMVFP2, 0}, | ||||
| 	{"vdiv",        0,      ARMVFP2, 0}, | ||||
| 	{"vmov(i)",     0,      ARMVFP3, 0}, | ||||
| 	{"vmov(r)",     0,      ARMVFP3, 0}, | ||||
| 	{"vabs",        0,      ARMVFP2, 0}, | ||||
| 	{"vneg",        0,      ARMVFP2, 0}, | ||||
| 	{"vsqrt",       0,      ARMVFP2, 0}, | ||||
| 	{"vcmp",        0,      ARMVFP2, 0}, | ||||
| 	{"vcmp2",       0,      ARMVFP2, 0}, | ||||
| 	{"vcvt(bff)",   0,      ARMVFP3,         4, 4, 1}, | ||||
| 	{"vcvt(bds)",   0,      ARMVFP2, 0}, | ||||
| 	{"vcvt(bfi)",   0,      ARMVFP2, 0}, | ||||
| 	{"vmovbrs",     0,      ARMVFP2, 0}, | ||||
| 	{"vmsr",        0,      ARMVFP2, 0}, | ||||
| 	{"vmovbrc",     0,      ARMVFP2, 0}, | ||||
| 	{"vmrs",        0,      ARMVFP2, 0}, | ||||
| 	{"vmovbcr",     0,      ARMVFP2, 0}, | ||||
| 	{"vmovbrrss",   0,      ARMVFP2, 0}, | ||||
| 	{"vmovbrrd",    0,      ARMVFP2, 0}, | ||||
| 	{"vstr",        0,      ARMVFP2, 0}, | ||||
| 	{"vpush",       0,      ARMVFP2, 0}, | ||||
| 	{"vstm",        0,      ARMVFP2, 0}, | ||||
| 	{"vpop",        0,      ARMVFP2, 0}, | ||||
| 	{"vldr",        0,      ARMVFP2, 0}, | ||||
| 	{"vldm",        0,      ARMVFP2, 0}, | ||||
| 
 | ||||
| 	{"srs"	,  0	,  6	,  0}, | ||||
| 	{"rfe"	,  0	,  6	,  0}, | ||||
| 	{"bkpt"	,  0	,  3	,  0}, | ||||
|  |  | |||
|  | @ -3363,9 +3363,40 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(uxtb16)(unsigned int inst, int index)    { UN | |||
| typedef ARM_INST_PTR (*transop_fp_t)(unsigned int, int); | ||||
| 
 | ||||
| const transop_fp_t arm_instruction_trans[] = { | ||||
| 	#define VFP_INTERPRETER_TABLE | ||||
| 	#include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| 	#undef VFP_INTERPRETER_TABLE | ||||
| 	INTERPRETER_TRANSLATE(vmla), | ||||
| 	INTERPRETER_TRANSLATE(vmls), | ||||
| 	INTERPRETER_TRANSLATE(vnmla), | ||||
| 	INTERPRETER_TRANSLATE(vnmla), | ||||
| 	INTERPRETER_TRANSLATE(vnmls), | ||||
| 	INTERPRETER_TRANSLATE(vnmul), | ||||
| 	INTERPRETER_TRANSLATE(vmul), | ||||
| 	INTERPRETER_TRANSLATE(vadd), | ||||
| 	INTERPRETER_TRANSLATE(vsub), | ||||
| 	INTERPRETER_TRANSLATE(vdiv), | ||||
| 	INTERPRETER_TRANSLATE(vmovi), | ||||
| 	INTERPRETER_TRANSLATE(vmovr), | ||||
| 	INTERPRETER_TRANSLATE(vabs), | ||||
| 	INTERPRETER_TRANSLATE(vneg), | ||||
| 	INTERPRETER_TRANSLATE(vsqrt), | ||||
| 	INTERPRETER_TRANSLATE(vcmp), | ||||
| 	INTERPRETER_TRANSLATE(vcmp2), | ||||
| 	INTERPRETER_TRANSLATE(vcvtbds), | ||||
| 	INTERPRETER_TRANSLATE(vcvtbff), | ||||
| 	INTERPRETER_TRANSLATE(vcvtbfi), | ||||
| 	INTERPRETER_TRANSLATE(vmovbrs), | ||||
| 	INTERPRETER_TRANSLATE(vmsr), | ||||
| 	INTERPRETER_TRANSLATE(vmovbrc), | ||||
| 	INTERPRETER_TRANSLATE(vmrs), | ||||
| 	INTERPRETER_TRANSLATE(vmovbcr), | ||||
| 	INTERPRETER_TRANSLATE(vmovbrrss), | ||||
| 	INTERPRETER_TRANSLATE(vmovbrrd), | ||||
| 	INTERPRETER_TRANSLATE(vstr), | ||||
| 	INTERPRETER_TRANSLATE(vpush), | ||||
| 	INTERPRETER_TRANSLATE(vstm), | ||||
| 	INTERPRETER_TRANSLATE(vpop), | ||||
| 	INTERPRETER_TRANSLATE(vldr), | ||||
| 	INTERPRETER_TRANSLATE(vldm), | ||||
| 	 | ||||
| 	INTERPRETER_TRANSLATE(srs), | ||||
| 	INTERPRETER_TRANSLATE(rfe), | ||||
| 	INTERPRETER_TRANSLATE(bkpt), | ||||
|  | @ -4206,10 +4237,12 @@ unsigned InterpreterMainLoop(ARMul_State* state) | |||
|     // GCC and Clang have a C++ extension to support a lookup table of labels. Otherwise, fallback
 | ||||
|     // to a clunky switch statement.
 | ||||
| #if defined __GNUC__ || defined __clang__ | ||||
|     void *InstLabel[] = { | ||||
| 		#define VFP_INTERPRETER_LABEL | ||||
| 		#include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| 		#undef VFP_INTERPRETER_LABEL | ||||
| 	void *InstLabel[] = { | ||||
| 		&&VMLA_INST, &&VMLS_INST, &&VNMLA_INST, &&VNMLA_INST, &&VNMLS_INST, &&VNMUL_INST, &&VMUL_INST, &&VADD_INST, &&VSUB_INST, | ||||
| 		&&VDIV_INST, &&VMOVI_INST, &&VMOVR_INST, &&VABS_INST, &&VNEG_INST, &&VSQRT_INST, &&VCMP_INST, &&VCMP2_INST, &&VCVTBDS_INST, | ||||
| 		&&VCVTBFF_INST, &&VCVTBFI_INST, &&VMOVBRS_INST, &&VMSR_INST, &&VMOVBRC_INST, &&VMRS_INST, &&VMOVBCR_INST, &&VMOVBRRSS_INST, | ||||
| 		&&VMOVBRRD_INST, &&VSTR_INST, &&VPUSH_INST, &&VSTM_INST, &&VPOP_INST, &&VLDR_INST, &&VLDM_INST, | ||||
| 
 | ||||
| 		&&SRS_INST,&&RFE_INST,&&BKPT_INST,&&BLX_INST,&&CPS_INST,&&PLD_INST,&&SETEND_INST,&&CLREX_INST,&&REV16_INST,&&USAD8_INST,&&SXTB_INST, | ||||
| 		&&UXTB_INST,&&SXTH_INST,&&SXTB16_INST,&&UXTH_INST,&&UXTB16_INST,&&CPY_INST,&&UXTAB_INST,&&SSUB8_INST,&&SHSUB8_INST,&&SSUBADDX_INST, | ||||
| 		&&STREX_INST,&&STREXB_INST,&&SWP_INST,&&SWPB_INST,&&SSUB16_INST,&&SSAT16_INST,&&SHSUBADDX_INST,&&QSUBADDX_INST,&&SHADDSUBX_INST, | ||||
|  | @ -4243,7 +4276,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) | |||
| 	DISPATCH: | ||||
| 	{ | ||||
| 		if (!cpu->NirqSig) { | ||||
|                 	if (!(cpu->Cpsr & 0x80)) { | ||||
| 			if (!(cpu->Cpsr & 0x80)) { | ||||
| 				goto END; | ||||
| 			} | ||||
| 		} | ||||
|  |  | |||
|  | @ -32,8 +32,7 @@ | |||
| 
 | ||||
| //ARMul_State* persistent_state; /* function calls from SoftFloat lib don't have an access to ARMul_state. */
 | ||||
| 
 | ||||
| unsigned | ||||
| VFPInit (ARMul_State *state) | ||||
| unsigned VFPInit(ARMul_State* state) | ||||
| { | ||||
|     state->VFP[VFP_OFFSET(VFP_FPSID)] = VFP_FPSID_IMPLMEN<<24 | VFP_FPSID_SW<<23 | VFP_FPSID_SUBARCH<<16 | | ||||
|                                         VFP_FPSID_PARTNUM<<8 | VFP_FPSID_VARIANT<<4 | VFP_FPSID_REVISION; | ||||
|  | @ -46,8 +45,7 @@ VFPInit (ARMul_State *state) | |||
|     return 0; | ||||
| } | ||||
| 
 | ||||
| unsigned | ||||
| VFPMRC (ARMul_State * state, unsigned type, u32 instr, u32 * value) | ||||
| unsigned VFPMRC(ARMul_State* state, unsigned type, u32 instr, u32* value) | ||||
| { | ||||
|     /* MRC<c> <coproc>,<opc1>,<Rt>,<CRn>,<CRm>{,<opc2>} */ | ||||
|     int CoProc = BITS (8, 11); /* 10 or 11 */ | ||||
|  | @ -61,10 +59,21 @@ VFPMRC (ARMul_State * state, unsigned type, u32 instr, u32 * value) | |||
| 
 | ||||
|     /* CRn/opc1 CRm/opc2 */ | ||||
| 
 | ||||
|     if (CoProc == 10 || CoProc == 11) { | ||||
| #define VFP_MRC_TRANS | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_MRC_TRANS | ||||
|     if (CoProc == 10 || CoProc == 11) | ||||
|     { | ||||
|         if (OPC_1 == 0x0 && CRm == 0 && (OPC_2 & 0x3) == 0) | ||||
|         { | ||||
|             /* VMOV r to s */ | ||||
|             /* Transfering Rt is not mandatory, as the value of interest is pointed by value */ | ||||
|             VMOVBRS(state, BIT(20), Rt, BIT(7)|CRn<<1, value); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
| 
 | ||||
|         if (OPC_1 == 0x7 && CRm == 0 && OPC_2 == 0) | ||||
|         { | ||||
|             VMRS(state, CRn, Rt, value); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
|     } | ||||
|     DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, CRn %x, CRm %x, OPC_2 %x\n", | ||||
|           instr, CoProc, OPC_1, Rt, CRn, CRm, OPC_2); | ||||
|  | @ -72,8 +81,7 @@ VFPMRC (ARMul_State * state, unsigned type, u32 instr, u32 * value) | |||
|     return ARMul_CANT; | ||||
| } | ||||
| 
 | ||||
| unsigned | ||||
| VFPMCR (ARMul_State * state, unsigned type, u32 instr, u32 value) | ||||
| unsigned VFPMCR(ARMul_State* state, unsigned type, u32 instr, u32 value) | ||||
| { | ||||
|     /* MCR<c> <coproc>,<opc1>,<Rt>,<CRn>,<CRm>{,<opc2>} */ | ||||
|     int CoProc = BITS (8, 11); /* 10 or 11 */ | ||||
|  | @ -86,10 +94,33 @@ VFPMCR (ARMul_State * state, unsigned type, u32 instr, u32 value) | |||
|     /* TODO check access permission */ | ||||
| 
 | ||||
|     /* CRn/opc1 CRm/opc2 */ | ||||
|     if (CoProc == 10 || CoProc == 11) { | ||||
| #define VFP_MCR_TRANS | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_MCR_TRANS | ||||
|     if (CoProc == 10 || CoProc == 11) | ||||
|     { | ||||
|         if (OPC_1 == 0x0 && CRm == 0 && (OPC_2 & 0x3) == 0) | ||||
|         { | ||||
|             /* VMOV s to r */ | ||||
|             /* Transfering Rt is not mandatory, as the value of interest is pointed by value */ | ||||
|             VMOVBRS(state, BIT(20), Rt, BIT(7)|CRn<<1, &value); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
| 
 | ||||
|         if (OPC_1 == 0x7 && CRm == 0 && OPC_2 == 0) | ||||
|         { | ||||
|             VMSR(state, CRn, Rt); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
| 
 | ||||
|         if ((OPC_1 & 0x4) == 0 && CoProc == 11 && CRm == 0) | ||||
|         { | ||||
|             VFP_DEBUG_UNIMPLEMENTED(VMOVBRC); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
| 
 | ||||
|         if (CoProc == 11 && CRm == 0) | ||||
|         { | ||||
|             VFP_DEBUG_UNIMPLEMENTED(VMOVBCR); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
|     } | ||||
|     DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, CRn %x, CRm %x, OPC_2 %x\n", | ||||
|           instr, CoProc, OPC_1, Rt, CRn, CRm, OPC_2); | ||||
|  | @ -97,8 +128,7 @@ VFPMCR (ARMul_State * state, unsigned type, u32 instr, u32 value) | |||
|     return ARMul_CANT; | ||||
| } | ||||
| 
 | ||||
| unsigned | ||||
| VFPMRRC (ARMul_State * state, unsigned type, u32 instr, u32 * value1, u32 * value2) | ||||
| unsigned VFPMRRC(ARMul_State* state, unsigned type, u32 instr, u32* value1, u32* value2) | ||||
| { | ||||
|     /* MCRR<c> <coproc>,<opc1>,<Rt>,<Rt2>,<CRm> */ | ||||
|     int CoProc = BITS (8, 11); /* 10 or 11 */ | ||||
|  | @ -107,10 +137,20 @@ VFPMRRC (ARMul_State * state, unsigned type, u32 instr, u32 * value1, u32 * valu | |||
|     int Rt2 = BITS (16, 19); | ||||
|     int CRm = BITS (0, 3); | ||||
| 
 | ||||
|     if (CoProc == 10 || CoProc == 11) { | ||||
| #define VFP_MRRC_TRANS | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_MRRC_TRANS | ||||
|     if (CoProc == 10 || CoProc == 11) | ||||
|     { | ||||
|         if (CoProc == 10 && (OPC_1 & 0xD) == 1) | ||||
|         { | ||||
|             VFP_DEBUG_UNIMPLEMENTED(VMOVBRRSS); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
| 
 | ||||
|         if (CoProc == 11 && (OPC_1 & 0xD) == 1) | ||||
|         { | ||||
|             /* Transfering Rt and Rt2 is not mandatory, as the value of interest is pointed by value1 and value2 */ | ||||
|             VMOVBRRD(state, BIT(20), Rt, Rt2, BIT(5)<<4|CRm, value1, value2); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
|     } | ||||
|     DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, Rt2 %x, CRm %x\n", | ||||
|           instr, CoProc, OPC_1, Rt, Rt2, CRm); | ||||
|  | @ -118,8 +158,7 @@ VFPMRRC (ARMul_State * state, unsigned type, u32 instr, u32 * value1, u32 * valu | |||
|     return ARMul_CANT; | ||||
| } | ||||
| 
 | ||||
| unsigned | ||||
| VFPMCRR (ARMul_State * state, unsigned type, u32 instr, u32 value1, u32 value2) | ||||
| unsigned VFPMCRR(ARMul_State* state, unsigned type, u32 instr, u32 value1, u32 value2) | ||||
| { | ||||
|     /* MCRR<c> <coproc>,<opc1>,<Rt>,<Rt2>,<CRm> */ | ||||
|     int CoProc = BITS (8, 11); /* 10 or 11 */ | ||||
|  | @ -132,10 +171,20 @@ VFPMCRR (ARMul_State * state, unsigned type, u32 instr, u32 value1, u32 value2) | |||
| 
 | ||||
|     /* CRn/opc1 CRm/opc2 */ | ||||
| 
 | ||||
|     if (CoProc == 11 || CoProc == 10) { | ||||
| #define VFP_MCRR_TRANS | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_MCRR_TRANS | ||||
|     if (CoProc == 11 || CoProc == 10) | ||||
|     { | ||||
|         if (CoProc == 10 && (OPC_1 & 0xD) == 1) | ||||
|         { | ||||
|             VFP_DEBUG_UNIMPLEMENTED(VMOVBRRSS); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
| 
 | ||||
|         if (CoProc == 11 && (OPC_1 & 0xD) == 1) | ||||
|         { | ||||
|             /* Transfering Rt and Rt2 is not mandatory, as the value of interest is pointed by value1 and value2 */ | ||||
|             VMOVBRRD(state, BIT(20), Rt, Rt2, BIT(5)<<4|CRm, &value1, &value2); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
|     } | ||||
|     DEBUG("Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, Rt2 %x, CRm %x\n", | ||||
|           instr, CoProc, OPC_1, Rt, Rt2, CRm); | ||||
|  | @ -143,8 +192,7 @@ VFPMCRR (ARMul_State * state, unsigned type, u32 instr, u32 value1, u32 value2) | |||
|     return ARMul_CANT; | ||||
| } | ||||
| 
 | ||||
| unsigned | ||||
| VFPSTC (ARMul_State * state, unsigned type, u32 instr, u32 * value) | ||||
| unsigned VFPSTC(ARMul_State* state, unsigned type, u32 instr, u32 * value) | ||||
| { | ||||
|     /* STC{L}<c> <coproc>,<CRd>,[<Rn>],<option> */ | ||||
|     int CoProc = BITS (8, 11); /* 10 or 11 */ | ||||
|  | @ -175,9 +223,17 @@ VFPSTC (ARMul_State * state, unsigned type, u32 instr, u32 * value) | |||
|         } | ||||
| #endif | ||||
| 
 | ||||
| #define VFP_STC_TRANS | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_STC_TRANS | ||||
|         if (P == 1 && W == 0) | ||||
|         { | ||||
|             return VSTR(state, type, instr, value); | ||||
|         } | ||||
| 
 | ||||
|         if (P == 1 && U == 0 && W == 1 && Rn == 0xD) | ||||
|         { | ||||
|             return VPUSH(state, type, instr, value); | ||||
|         } | ||||
| 
 | ||||
|         return VSTM(state, type, instr, value); | ||||
|     } | ||||
|     DEBUG("Can't identify %x, CoProc %x, CRd %x, Rn %x, imm8 %x, P %x, U %x, D %x, W %x\n", | ||||
|           instr, CoProc, CRd, Rn, imm8, P, U, D, W); | ||||
|  | @ -185,8 +241,7 @@ VFPSTC (ARMul_State * state, unsigned type, u32 instr, u32 * value) | |||
|     return ARMul_CANT; | ||||
| } | ||||
| 
 | ||||
| unsigned | ||||
| VFPLDC (ARMul_State * state, unsigned type, u32 instr, u32 value) | ||||
| unsigned VFPLDC(ARMul_State* state, unsigned type, u32 instr, u32 value) | ||||
| { | ||||
|     /* LDC{L}<c> <coproc>,<CRd>,[<Rn>] */ | ||||
|     int CoProc = BITS (8, 11); /* 10 or 11 */ | ||||
|  | @ -204,10 +259,19 @@ VFPLDC (ARMul_State * state, unsigned type, u32 instr, u32 value) | |||
|         DEBUG("In %s, UNDEFINED\n", __FUNCTION__); | ||||
|         exit(-1); | ||||
|     } | ||||
|     if (CoProc == 10 || CoProc == 11) { | ||||
| #define VFP_LDC_TRANS | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_LDC_TRANS | ||||
|     if (CoProc == 10 || CoProc == 11) | ||||
|     { | ||||
|         if (P == 1 && W == 0) | ||||
|         { | ||||
|             return VLDR(state, type, instr, value); | ||||
|         } | ||||
| 
 | ||||
|         if (P == 0 && U == 1 && W == 1 && Rn == 0xD) | ||||
|         { | ||||
|             return VPOP(state, type, instr, value); | ||||
|         } | ||||
| 
 | ||||
|         return VLDM(state, type, instr, value); | ||||
|     } | ||||
|     DEBUG("Can't identify %x, CoProc %x, CRd %x, Rn %x, imm8 %x, P %x, U %x, D %x, W %x\n", | ||||
|           instr, CoProc, CRd, Rn, imm8, P, U, D, W); | ||||
|  | @ -215,8 +279,7 @@ VFPLDC (ARMul_State * state, unsigned type, u32 instr, u32 value) | |||
|     return ARMul_CANT; | ||||
| } | ||||
| 
 | ||||
| unsigned | ||||
| VFPCDP (ARMul_State * state, unsigned type, u32 instr) | ||||
| unsigned VFPCDP(ARMul_State* state, unsigned type, u32 instr) | ||||
| { | ||||
|     /* CDP<c> <coproc>,<opc1>,<CRd>,<CRn>,<CRm>,<opc2> */ | ||||
|     int CoProc = BITS (8, 11); /* 10 or 11 */ | ||||
|  | @ -275,10 +338,83 @@ VFPCDP (ARMul_State * state, unsigned type, u32 instr) | |||
| 
 | ||||
|     /* CRn/opc1 CRm/opc2 */ | ||||
| 
 | ||||
|     if (CoProc == 10 || CoProc == 11) { | ||||
| #define VFP_CDP_TRANS | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_CDP_TRANS | ||||
|     if (CoProc == 10 || CoProc == 11) | ||||
|     { | ||||
|         if ((OPC_1 & 0xB) == 0 && (OPC_2 & 0x2) == 0) | ||||
|             DBG("VMLA :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0 && (OPC_2 & 0x2) == 2) | ||||
|             DBG("VMLS :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 1 && (OPC_2 & 0x2) == 2) | ||||
|             DBG("VNMLA :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 1 && (OPC_2 & 0x2) == 0) | ||||
|             DBG("VNMLS :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 2 && (OPC_2 & 0x2) == 2) | ||||
|             DBG("VNMUL :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 2 && (OPC_2 & 0x2) == 0) | ||||
|             DBG("VMUL :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 3 && (OPC_2 & 0x2) == 0) | ||||
|             DBG("VADD :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 3 && (OPC_2 & 0x2) == 2) | ||||
|             DBG("VSUB :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0xA && (OPC_2 & 0x2) == 0) | ||||
|             DBG("VDIV :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0xB && BITS(4, 7) == 0) | ||||
|         { | ||||
|             unsigned int single   = BIT(8) == 0; | ||||
|             unsigned int d        = (single ? BITS(12,15)<<1 | BIT(22) : BITS(12,15) | BIT(22)<<4); | ||||
|             unsigned int imm; | ||||
|             instr = BITS(16, 19) << 4 | BITS(0, 3); /* FIXME dirty workaround to get a correct imm */ | ||||
| 
 | ||||
|             if (single) | ||||
|                 imm = BIT(7)<<31 | (BIT(6)==0)<<30 | (BIT(6) ? 0x1f : 0)<<25 | BITS(0, 5)<<19; | ||||
|             else | ||||
|                 imm = BIT(7)<<31 | (BIT(6)==0)<<30 | (BIT(6) ? 0xff : 0)<<22 | BITS(0, 5)<<16; | ||||
| 
 | ||||
|             VMOVI(state, single, d, imm); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0xB && CRn == 0 && (OPC_2 & 0x6) == 0x2) | ||||
|         { | ||||
|             unsigned int single   = BIT(8) == 0; | ||||
|             unsigned int d        = (single ? BITS(12,15)<<1 | BIT(22) : BITS(12,15) | BIT(22)<<4); | ||||
|             unsigned int m        = (single ? BITS( 0, 3)<<1 | BIT( 5) : BITS( 0, 3) | BIT( 5)<<4);; | ||||
|             VMOVR(state, single, d, m); | ||||
|             return ARMul_DONE; | ||||
|         } | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0xB && CRn == 0 && (OPC_2 & 0x7) == 6) | ||||
|             DBG("VABS :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0xB && CRn == 1 && (OPC_2 & 0x7) == 2) | ||||
|             DBG("VNEG :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0xB && CRn == 1 && (OPC_2 & 0x7) == 6) | ||||
|             DBG("VSQRT :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0xB && CRn == 4 && (OPC_2 & 0x2) == 2) | ||||
|             DBG("VCMP(1) :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0xB && CRn == 5 && (OPC_2 & 0x2) == 2 && CRm == 0) | ||||
|             DBG("VCMP(2) :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0xB && CRn == 7 && (OPC_2 & 0x6) == 6) | ||||
|             DBG("VCVT(BDS) :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0xB && CRn >= 0xA && (OPC_2 & 0x2) == 2) | ||||
|             DBG("VCVT(BFF) :\n"); | ||||
| 
 | ||||
|         if ((OPC_1 & 0xB) == 0xB && CRn > 7 && (OPC_2 & 0x2) == 2) | ||||
|             DBG("VCVT(BFI) :\n"); | ||||
| 
 | ||||
|         int exceptions = 0; | ||||
|         if (CoProc == 10) | ||||
|  | @ -296,23 +432,93 @@ VFPCDP (ARMul_State * state, unsigned type, u32 instr) | |||
| 
 | ||||
| 
 | ||||
| /* ----------- MRC ------------ */ | ||||
| #define VFP_MRC_IMPL | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_MRC_IMPL | ||||
| 
 | ||||
| #define VFP_MRRC_IMPL | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_MRRC_IMPL | ||||
| 
 | ||||
| void VMOVBRS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword n, ARMword* value) | ||||
| { | ||||
|     DBG("VMOV(BRS) :\n"); | ||||
|     if (to_arm) | ||||
|     { | ||||
|         DBG("\tr%d <= s%d=[%x]\n", t, n, state->ExtReg[n]); | ||||
|         *value = state->ExtReg[n]; | ||||
|     } | ||||
|     else | ||||
|     { | ||||
|         DBG("\ts%d <= r%d=[%x]\n", n, t, *value); | ||||
|         state->ExtReg[n] = *value; | ||||
|     } | ||||
| } | ||||
| void VMRS(ARMul_State* state, ARMword reg, ARMword Rt, ARMword* value) | ||||
| { | ||||
|     DBG("VMRS :"); | ||||
|     if (reg == 1) | ||||
|     { | ||||
|         if (Rt != 15) | ||||
|         { | ||||
|             *value = state->VFP[VFP_OFFSET(VFP_FPSCR)]; | ||||
|             DBG("\tr%d <= fpscr[%08x]\n", Rt, state->VFP[VFP_OFFSET(VFP_FPSCR)]); | ||||
|         } | ||||
|         else | ||||
|         { | ||||
|             *value = state->VFP[VFP_OFFSET(VFP_FPSCR)] ; | ||||
|             DBG("\tflags <= fpscr[%1xxxxxxxx]\n", state->VFP[VFP_OFFSET(VFP_FPSCR)]>>28); | ||||
|         } | ||||
|     } | ||||
|     else | ||||
|     { | ||||
|         switch (reg) | ||||
|         { | ||||
|             case 0: | ||||
|                 *value = state->VFP[VFP_OFFSET(VFP_FPSID)]; | ||||
|                 DBG("\tr%d <= fpsid[%08x]\n", Rt, state->VFP[VFP_OFFSET(VFP_FPSID)]); | ||||
|                 break; | ||||
|             case 6: | ||||
|                 /* MVFR1, VFPv3 only ? */ | ||||
|                 DBG("\tr%d <= MVFR1 unimplemented\n", Rt); | ||||
|                 break; | ||||
|             case 7: | ||||
|                 /* MVFR0, VFPv3 only? */ | ||||
|                 DBG("\tr%d <= MVFR0 unimplemented\n", Rt); | ||||
|                 break; | ||||
|             case 8: | ||||
|                 *value = state->VFP[VFP_OFFSET(VFP_FPEXC)]; | ||||
|                 DBG("\tr%d <= fpexc[%08x]\n", Rt, state->VFP[VFP_OFFSET(VFP_FPEXC)]); | ||||
|                 break; | ||||
|             default: | ||||
|                 DBG("\tSUBARCHITECTURE DEFINED\n"); | ||||
|                 break; | ||||
|         } | ||||
|     } | ||||
| } | ||||
| void VMOVBRRD(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword* value1, ARMword* value2) | ||||
| { | ||||
|     DBG("VMOV(BRRD) :\n"); | ||||
|     if (to_arm) | ||||
|     { | ||||
|         DBG("\tr[%d-%d] <= s[%d-%d]=[%x-%x]\n", t2, t, n*2+1, n*2, state->ExtReg[n*2+1], state->ExtReg[n*2]); | ||||
|         *value2 = state->ExtReg[n*2+1]; | ||||
|         *value1 = state->ExtReg[n*2]; | ||||
|     } | ||||
|     else | ||||
|     { | ||||
|         DBG("\ts[%d-%d] <= r[%d-%d]=[%x-%x]\n", n*2+1, n*2, t2, t, *value2, *value1); | ||||
|         state->ExtReg[n*2+1] = *value2; | ||||
|         state->ExtReg[n*2] = *value1; | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| /* ----------- MCR ------------ */ | ||||
| #define VFP_MCR_IMPL | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_MCR_IMPL | ||||
| 
 | ||||
| #define VFP_MCRR_IMPL | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_MCRR_IMPL | ||||
| void VMSR(ARMul_State* state, ARMword reg, ARMword Rt) | ||||
| { | ||||
|     if (reg == 1) | ||||
|     { | ||||
|         DBG("VMSR :\tfpscr <= r%d=[%x]\n", Rt, state->Reg[Rt]); | ||||
|         state->VFP[VFP_OFFSET(VFP_FPSCR)] = state->Reg[Rt]; | ||||
|     } | ||||
|     else if (reg == 8) | ||||
|     { | ||||
|         DBG("VMSR :\tfpexc <= r%d=[%x]\n", Rt, state->Reg[Rt]); | ||||
|         state->VFP[VFP_OFFSET(VFP_FPEXC)] = state->Reg[Rt]; | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| /* Memory operation are not inlined, as old Interpreter and Fast interpreter
 | ||||
|    don't have the same memory operation interface. | ||||
|  | @ -322,21 +528,342 @@ VFPCDP (ARMul_State * state, unsigned type, u32 instr) | |||
|    of vfp instructions in old interpreter and fast interpreter are separate. */ | ||||
| 
 | ||||
| /* ----------- STC ------------ */ | ||||
| #define VFP_STC_IMPL | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_STC_IMPL | ||||
| int VSTR(ARMul_State* state, int type, ARMword instr, ARMword* value) | ||||
| { | ||||
|     static int i = 0; | ||||
|     static int single_reg, add, d, n, imm32, regs; | ||||
|     if (type == ARMul_FIRST) | ||||
|     { | ||||
|         single_reg = BIT(8) == 0;	/* Double precision */ | ||||
|         add = BIT(23);		/* */ | ||||
|         imm32 = BITS(0,7)<<2;	/* may not be used */ | ||||
|         d = single_reg ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */ | ||||
|         n = BITS(16, 19);	/* destination register */ | ||||
| 
 | ||||
|         DBG("VSTR :\n"); | ||||
| 
 | ||||
|         i = 0; | ||||
|         regs = 1; | ||||
| 
 | ||||
|         return ARMul_DONE; | ||||
|     } | ||||
|     else if (type == ARMul_DATA) | ||||
|     { | ||||
|         if (single_reg) | ||||
|         { | ||||
|             *value = state->ExtReg[d+i]; | ||||
|             DBG("\taddr[?] <= s%d=[%x]\n", d+i, state->ExtReg[d+i]); | ||||
|             i++; | ||||
|             if (i < regs) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|         else | ||||
|         { | ||||
|             /* FIXME Careful of endianness, may need to rework this */ | ||||
|             *value = state->ExtReg[d*2+i]; | ||||
|             DBG("\taddr[?] <= s[%d]=[%x]\n", d*2+i, state->ExtReg[d*2+i]); | ||||
|             i++; | ||||
|             if (i < regs*2) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|     } | ||||
| 
 | ||||
|     return -1; | ||||
| } | ||||
| int VPUSH(ARMul_State* state, int type, ARMword instr, ARMword* value) | ||||
| { | ||||
|     static int i = 0; | ||||
|     static int single_regs, add, wback, d, n, imm32, regs; | ||||
|     if (type == ARMul_FIRST) | ||||
|     { | ||||
|         single_regs = BIT(8) == 0;	/* Single precision */ | ||||
|         d = single_regs ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */ | ||||
|         imm32 = BITS(0,7)<<2;	/* may not be used */ | ||||
|         regs = single_regs ? BITS(0, 7) : BITS(1, 7); /* FSTMX if regs is odd */ | ||||
| 
 | ||||
|         DBG("VPUSH :\n"); | ||||
|         DBG("\tsp[%x]", state->Reg[R13]); | ||||
|         state->Reg[R13] = state->Reg[R13] - imm32; | ||||
|         DBG("=>[%x]\n", state->Reg[R13]); | ||||
| 
 | ||||
|         i = 0; | ||||
| 
 | ||||
|         return ARMul_DONE; | ||||
|     } | ||||
|     else if (type == ARMul_DATA) | ||||
|     { | ||||
|         if (single_regs) | ||||
|         { | ||||
|             *value = state->ExtReg[d + i]; | ||||
|             DBG("\taddr[?] <= s%d=[%x]\n", d+i, state->ExtReg[d + i]); | ||||
|             i++; | ||||
|             if (i < regs) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|         else | ||||
|         { | ||||
|             /* FIXME Careful of endianness, may need to rework this */ | ||||
|             *value = state->ExtReg[d*2 + i]; | ||||
|             DBG("\taddr[?] <= s[%d]=[%x]\n", d*2 + i, state->ExtReg[d*2 + i]); | ||||
|             i++; | ||||
|             if (i < regs*2) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|     } | ||||
| 
 | ||||
|     return -1; | ||||
| } | ||||
| int VSTM(ARMul_State* state, int type, ARMword instr, ARMword* value) | ||||
| { | ||||
|     static int i = 0; | ||||
|     static int single_regs, add, wback, d, n, imm32, regs; | ||||
|     if (type == ARMul_FIRST) | ||||
|     { | ||||
|         single_regs = BIT(8) == 0;	/* Single precision */ | ||||
|         add = BIT(23);		/* */ | ||||
|         wback = BIT(21);	/* write-back */ | ||||
|         d = single_regs ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */ | ||||
|         n = BITS(16, 19);	/* destination register */ | ||||
|         imm32 = BITS(0,7) * 4;	/* may not be used */ | ||||
|         regs = single_regs ? BITS(0, 7) : BITS(0, 7)>>1; /* FSTMX if regs is odd */ | ||||
| 
 | ||||
|         DBG("VSTM :\n"); | ||||
| 
 | ||||
|         if (wback) { | ||||
|             state->Reg[n] = (add ? state->Reg[n] + imm32 : state->Reg[n] - imm32); | ||||
|             DBG("\twback r%d[%x]\n", n, state->Reg[n]); | ||||
|         } | ||||
| 
 | ||||
|         i = 0; | ||||
| 
 | ||||
|         return ARMul_DONE; | ||||
|     } | ||||
|     else if (type == ARMul_DATA) | ||||
|     { | ||||
|         if (single_regs) | ||||
|         { | ||||
|             *value = state->ExtReg[d + i]; | ||||
|             DBG("\taddr[?] <= s%d=[%x]\n", d+i, state->ExtReg[d + i]); | ||||
|             i++; | ||||
|             if (i < regs) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|         else | ||||
|         { | ||||
|             /* FIXME Careful of endianness, may need to rework this */ | ||||
|             *value = state->ExtReg[d*2 + i]; | ||||
|             DBG("\taddr[?] <= s[%d]=[%x]\n", d*2 + i, state->ExtReg[d*2 + i]); | ||||
|             i++; | ||||
|             if (i < regs*2) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|     } | ||||
| 
 | ||||
|     return -1; | ||||
| } | ||||
| 
 | ||||
| /* ----------- LDC ------------ */ | ||||
| #define VFP_LDC_IMPL | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_LDC_IMPL | ||||
| int VPOP(ARMul_State* state, int type, ARMword instr, ARMword value) | ||||
| { | ||||
|     static int i = 0; | ||||
|     static int single_regs, add, wback, d, n, imm32, regs; | ||||
|     if (type == ARMul_FIRST) | ||||
|     { | ||||
|         single_regs = BIT(8) == 0;	/* Single precision */ | ||||
|         d = single_regs ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */ | ||||
|         imm32 = BITS(0,7)<<2;	/* may not be used */ | ||||
|         regs = single_regs ? BITS(0, 7) : BITS(1, 7); /* FLDMX if regs is odd */ | ||||
| 
 | ||||
|         DBG("VPOP :\n"); | ||||
|         DBG("\tsp[%x]", state->Reg[R13]); | ||||
|         state->Reg[R13] = state->Reg[R13] + imm32; | ||||
|         DBG("=>[%x]\n", state->Reg[R13]); | ||||
| 
 | ||||
|         i = 0; | ||||
| 
 | ||||
|         return ARMul_DONE; | ||||
|     } | ||||
|     else if (type == ARMul_TRANSFER) | ||||
|     { | ||||
|         return ARMul_DONE; | ||||
|     } | ||||
|     else if (type == ARMul_DATA) | ||||
|     { | ||||
|         if (single_regs) | ||||
|         { | ||||
|             state->ExtReg[d + i] = value; | ||||
|             DBG("\ts%d <= [%x]\n", d + i, value); | ||||
|             i++; | ||||
|             if (i < regs) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|         else | ||||
|         { | ||||
|             /* FIXME Careful of endianness, may need to rework this */ | ||||
|             state->ExtReg[d*2 + i] = value; | ||||
|             DBG("\ts%d <= [%x]\n", d*2 + i, value); | ||||
|             i++; | ||||
|             if (i < regs*2) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|     } | ||||
| 
 | ||||
|     return -1; | ||||
| } | ||||
| int VLDR(ARMul_State* state, int type, ARMword instr, ARMword value) | ||||
| { | ||||
|     static int i = 0; | ||||
|     static int single_reg, add, d, n, imm32, regs; | ||||
|     if (type == ARMul_FIRST) | ||||
|     { | ||||
|         single_reg = BIT(8) == 0;	/* Double precision */ | ||||
|         add = BIT(23);		/* */ | ||||
|         imm32 = BITS(0,7)<<2;	/* may not be used */ | ||||
|         d = single_reg ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */ | ||||
|         n = BITS(16, 19);	/* destination register */ | ||||
| 
 | ||||
|         DBG("VLDR :\n"); | ||||
| 
 | ||||
|         i = 0; | ||||
|         regs = 1; | ||||
|          | ||||
|         return ARMul_DONE; | ||||
|     } | ||||
|     else if (type == ARMul_TRANSFER) | ||||
|     { | ||||
|         return ARMul_DONE; | ||||
|     } | ||||
|     else if (type == ARMul_DATA) | ||||
|     { | ||||
|         if (single_reg) | ||||
|         { | ||||
|             state->ExtReg[d+i] = value; | ||||
|             DBG("\ts%d <= [%x]\n", d+i, value); | ||||
|             i++; | ||||
|             if (i < regs) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|         else | ||||
|         { | ||||
|             /* FIXME Careful of endianness, may need to rework this */ | ||||
|             state->ExtReg[d*2+i] = value; | ||||
|             DBG("\ts[%d] <= [%x]\n", d*2+i, value); | ||||
|             i++; | ||||
|             if (i < regs*2) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|     } | ||||
| 
 | ||||
|     return -1; | ||||
| } | ||||
| int VLDM(ARMul_State* state, int type, ARMword instr, ARMword value) | ||||
| { | ||||
|     static int i = 0; | ||||
|     static int single_regs, add, wback, d, n, imm32, regs; | ||||
|     if (type == ARMul_FIRST) | ||||
|     { | ||||
|         single_regs = BIT(8) == 0;	/* Single precision */ | ||||
|         add = BIT(23);		/* */ | ||||
|         wback = BIT(21);	/* write-back */ | ||||
|         d = single_regs ? BITS(12, 15)<<1|BIT(22) : BIT(22)<<4|BITS(12, 15); /* Base register */ | ||||
|         n = BITS(16, 19);	/* destination register */ | ||||
|         imm32 = BITS(0,7) * 4;	/* may not be used */ | ||||
|         regs = single_regs ? BITS(0, 7) : BITS(0, 7)>>1; /* FLDMX if regs is odd */ | ||||
|          | ||||
|         DBG("VLDM :\n"); | ||||
|          | ||||
|         if (wback) { | ||||
|             state->Reg[n] = (add ? state->Reg[n] + imm32 : state->Reg[n] - imm32); | ||||
|             DBG("\twback r%d[%x]\n", n, state->Reg[n]); | ||||
|         } | ||||
| 
 | ||||
|         i = 0; | ||||
| 
 | ||||
|         return ARMul_DONE; | ||||
|     } | ||||
|     else if (type == ARMul_DATA) | ||||
|     { | ||||
|         if (single_regs) | ||||
|         { | ||||
|             state->ExtReg[d + i] = value; | ||||
|             DBG("\ts%d <= [%x] addr[?]\n", d+i, state->ExtReg[d + i]); | ||||
|             i++; | ||||
|             if (i < regs) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|         else | ||||
|         { | ||||
|             /* FIXME Careful of endianness, may need to rework this */ | ||||
|             state->ExtReg[d*2 + i] = value; | ||||
|             DBG("\ts[%d] <= [%x] addr[?]\n", d*2 + i, state->ExtReg[d*2 + i]); | ||||
|             i++; | ||||
|             if (i < regs*2) | ||||
|                 return ARMul_INC; | ||||
|             else | ||||
|                 return ARMul_DONE; | ||||
|         } | ||||
|     } | ||||
| 	 | ||||
|     return -1; | ||||
| } | ||||
| 
 | ||||
| /* ----------- CDP ------------ */ | ||||
| #define VFP_CDP_IMPL | ||||
| #include "core/arm/skyeye_common/vfp/vfpinstr.cpp" | ||||
| #undef VFP_CDP_IMPL | ||||
| void VMOVI(ARMul_State* state, ARMword single, ARMword d, ARMword imm) | ||||
| { | ||||
|     DBG("VMOV(I) :\n"); | ||||
| 
 | ||||
|     if (single) | ||||
|     { | ||||
|         DBG("\ts%d <= [%x]\n", d, imm); | ||||
|         state->ExtReg[d] = imm; | ||||
|     } | ||||
|     else | ||||
|     { | ||||
|         /* Check endian please */ | ||||
|         DBG("\ts[%d-%d] <= [%x-%x]\n", d*2+1, d*2, imm, 0); | ||||
|         state->ExtReg[d*2+1] = imm; | ||||
|         state->ExtReg[d*2] = 0; | ||||
|     } | ||||
| } | ||||
| void VMOVR(ARMul_State* state, ARMword single, ARMword d, ARMword m) | ||||
| { | ||||
|     DBG("VMOV(R) :\n"); | ||||
| 
 | ||||
|     if (single) | ||||
|     { | ||||
|         DBG("\ts%d <= s%d[%x]\n", d, m, state->ExtReg[m]); | ||||
|         state->ExtReg[d] = state->ExtReg[m]; | ||||
|     } | ||||
|     else | ||||
|     { | ||||
|         /* Check endian please */ | ||||
|         DBG("\ts[%d-%d] <= s[%d-%d][%x-%x]\n", d*2+1, d*2, m*2+1, m*2, state->ExtReg[m*2+1], state->ExtReg[m*2]); | ||||
|         state->ExtReg[d*2+1] = state->ExtReg[m*2+1]; | ||||
|         state->ExtReg[d*2] = state->ExtReg[m*2]; | ||||
|     } | ||||
| } | ||||
| 
 | ||||
| /* Miscellaneous functions */ | ||||
| int32_t vfp_get_float(arm_core_t* state, unsigned int reg) | ||||
|  | @ -366,8 +893,6 @@ void vfp_put_double(arm_core_t* state, uint64_t val, unsigned int reg) | |||
|     state->ExtReg[reg*2+1] = (uint32_t) (val>>32); | ||||
| } | ||||
| 
 | ||||
| 
 | ||||
| 
 | ||||
| /*
 | ||||
|  * Process bitmask of exception conditions. (from vfpmodule.c) | ||||
|  */ | ||||
|  |  | |||
|  | @ -27,6 +27,12 @@ | |||
| 
 | ||||
| #include "core/arm/skyeye_common/vfp/vfp_helper.h" /* for references to cdp SoftFloat functions */ | ||||
| 
 | ||||
| #define VFP_DEBUG_TRANSLATE DBG("in func %s, %x\n", __FUNCTION__, inst); | ||||
| #define VFP_DEBUG_UNIMPLEMENTED(x) printf("in func %s, " #x " unimplemented\n", __FUNCTION__); exit(-1); | ||||
| #define VFP_DEBUG_UNTESTED(x) printf("in func %s, " #x " untested\n", __FUNCTION__); | ||||
| #define CHECK_VFP_ENABLED | ||||
| #define CHECK_VFP_CDP_RET	vfp_raise_exceptions(cpu, ret, inst_cream->instr, cpu->VFP[VFP_OFFSET(VFP_FPSCR)]); //if (ret == -1) {printf("VFP CDP FAILURE %x\n", inst_cream->instr); exit(-1);}
 | ||||
| 
 | ||||
| unsigned VFPInit (ARMul_State *state); | ||||
| unsigned VFPMRC (ARMul_State * state, unsigned type, ARMword instr, ARMword * value); | ||||
| unsigned VFPMCR (ARMul_State * state, unsigned type, ARMword instr, ARMword value); | ||||
|  |  | |||
										
											
												File diff suppressed because it is too large
												Load diff
											
										
									
								
							
		Loading…
	
	Add table
		Add a link
		
	
		Reference in a new issue