From d66a12c6f6e612ba4574652a8087cd878c965b92 Mon Sep 17 00:00:00 2001
From: Lioncash <mathew1800@gmail.com>
Date: Fri, 17 Apr 2015 20:44:54 -0400
Subject: dyncom: Remove unused/unnecessary VFP cruft

---
 src/core/arm/skyeye_common/vfp/vfp.cpp | 621 +--------------------------------
 src/core/arm/skyeye_common/vfp/vfp.h   |  22 +-
 2 files changed, 7 insertions(+), 636 deletions(-)

(limited to 'src/core/arm/skyeye_common/vfp')

diff --git a/src/core/arm/skyeye_common/vfp/vfp.cpp b/src/core/arm/skyeye_common/vfp/vfp.cpp
index d793261f..d0fa157a 100644
--- a/src/core/arm/skyeye_common/vfp/vfp.cpp
+++ b/src/core/arm/skyeye_common/vfp/vfp.cpp
@@ -37,296 +37,18 @@ unsigned VFPInit(ARMul_State* state)
     return 0;
 }
 
-unsigned VFPMRC(ARMul_State* state, unsigned type, u32 instr, u32* value)
-{
-    /* MRC<c> <coproc>,<opc1>,<Rt>,<CRn>,<CRm>{,<opc2>} */
-    int CoProc = BITS(instr, 8, 11); /* 10 or 11 */
-    int OPC_1 = BITS(instr, 21, 23);
-    int Rt = BITS(instr, 12, 15);
-    int CRn = BITS(instr, 16, 19);
-    int CRm = BITS(instr, 0, 3);
-    int OPC_2 = BITS(instr, 5, 7);
-
-    /* TODO check access permission */
-
-    /* CRn/opc1 CRm/opc2 */
-
-    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(instr, 20), Rt, BIT(instr, 7)|CRn<<1, value);
-            return ARMul_DONE;
-        }
-
-        if (OPC_1 == 0x7 && CRm == 0 && OPC_2 == 0)
-        {
-            VMRS(state, CRn, Rt, value);
-            return ARMul_DONE;
-        }
-    }
-    LOG_WARNING(Core_ARM11, "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);
-
-    return ARMul_CANT;
-}
-
-unsigned VFPMCR(ARMul_State* state, unsigned type, u32 instr, u32 value)
-{
-    /* MCR<c> <coproc>,<opc1>,<Rt>,<CRn>,<CRm>{,<opc2>} */
-    int CoProc = BITS(instr, 8, 11); /* 10 or 11 */
-    int OPC_1 = BITS(instr, 21, 23);
-    int Rt = BITS(instr, 12, 15);
-    int CRn = BITS(instr, 16, 19);
-    int CRm = BITS(instr, 0, 3);
-    int OPC_2 = BITS(instr, 5, 7);
-
-    /* TODO check access permission */
-
-    /* CRn/opc1 CRm/opc2 */
-    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(instr, 20), Rt, BIT(instr, 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;
-        }
-    }
-    LOG_WARNING(Core_ARM11, "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);
-
-    return ARMul_CANT;
-}
-
-unsigned VFPMRRC(ARMul_State* state, unsigned type, u32 instr, u32* value1, u32* value2)
-{
-    /* MCRR<c> <coproc>,<opc1>,<Rt>,<Rt2>,<CRm> */
-    int CoProc = BITS(instr, 8, 11); /* 10 or 11 */
-    int OPC_1 = BITS(instr, 4, 7);
-    int Rt = BITS(instr, 12, 15);
-    int Rt2 = BITS(instr, 16, 19);
-    int CRm = BITS(instr, 0, 3);
-
-    if (CoProc == 10 || CoProc == 11)
-    {
-        if (CoProc == 10 && (OPC_1 & 0xD) == 1)
-        {
-            VMOVBRRSS(state, BIT(instr, 20), Rt, Rt2, BIT(instr, 5)<<4|CRm, value1, value2);
-            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(instr, 20), Rt, Rt2, BIT(instr, 5)<<4|CRm, value1, value2);
-            return ARMul_DONE;
-        }
-    }
-    LOG_WARNING(Core_ARM11, "Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, Rt2 %x, CRm %x\n",
-          instr, CoProc, OPC_1, Rt, Rt2, CRm);
-
-    return ARMul_CANT;
-}
-
-unsigned VFPMCRR(ARMul_State* state, unsigned type, u32 instr, u32 value1, u32 value2)
-{
-    /* MCRR<c> <coproc>,<opc1>,<Rt>,<Rt2>,<CRm> */
-    int CoProc = BITS(instr, 8, 11); /* 10 or 11 */
-    int OPC_1 = BITS(instr, 4, 7);
-    int Rt = BITS(instr, 12, 15);
-    int Rt2 = BITS(instr, 16, 19);
-    int CRm = BITS(instr, 0, 3);
-
-    /* TODO check access permission */
-
-    /* CRn/opc1 CRm/opc2 */
-
-    if (CoProc == 11 || CoProc == 10)
-    {
-        if (CoProc == 10 && (OPC_1 & 0xD) == 1)
-        {
-            VMOVBRRSS(state, BIT(instr, 20), Rt, Rt2, BIT(instr, 5)<<4|CRm, &value1, &value2);
-            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(instr, 20), Rt, Rt2, BIT(instr, 5)<<4|CRm, &value1, &value2);
-            return ARMul_DONE;
-        }
-    }
-    LOG_WARNING(Core_ARM11, "Can't identify %x, CoProc %x, OPC_1 %x, Rt %x, Rt2 %x, CRm %x\n",
-          instr, CoProc, OPC_1, Rt, Rt2, CRm);
-
-    return ARMul_CANT;
-}
-
-unsigned VFPSTC(ARMul_State* state, unsigned type, u32 instr, u32 * value)
-{
-    /* STC{L}<c> <coproc>,<CRd>,[<Rn>],<option> */
-    int CoProc = BITS(instr, 8, 11); /* 10 or 11 */
-    int CRd = BITS(instr, 12, 15);
-    int Rn = BITS(instr, 16, 19);
-    int imm8 = BITS(instr, 0, 7);
-    int P = BIT(instr, 24);
-    int U = BIT(instr, 23);
-    int D = BIT(instr, 22);
-    int W = BIT(instr, 21);
-
-    /* TODO check access permission */
-
-    /* VSTM */
-    if ( (P|U|D|W) == 0 ) {
-        LOG_ERROR(Core_ARM11, "In %s, UNDEFINED\n", __FUNCTION__);
-        exit(-1);
-    }
-    if (CoProc == 10 || CoProc == 11) {
-#if 1
-        if (P == 0 && U == 0 && W == 0) {
-            LOG_ERROR(Core_ARM11, "VSTM Related encodings\n");
-            exit(-1);
-        }
-        if (P == U && W == 1) {
-            LOG_ERROR(Core_ARM11, "UNDEFINED\n");
-            exit(-1);
-        }
-#endif
-
-        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);
-    }
-    LOG_WARNING(Core_ARM11, "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);
-
-    return ARMul_CANT;
-}
-
-unsigned VFPLDC(ARMul_State* state, unsigned type, u32 instr, u32 value)
+void VMSR(ARMul_State* state, ARMword reg, ARMword Rt)
 {
-    /* LDC{L}<c> <coproc>,<CRd>,[<Rn>] */
-    int CoProc = BITS(instr, 8, 11); /* 10 or 11 */
-    int CRd = BITS(instr, 12, 15);
-    int Rn = BITS(instr, 16, 19);
-    int imm8 = BITS(instr, 0, 7);
-    int P = BIT(instr, 24);
-    int U = BIT(instr, 23);
-    int D = BIT(instr, 22);
-    int W = BIT(instr, 21);
-
-    /* TODO check access permission */
-
-    if ( (P|U|D|W) == 0 ) {
-        LOG_ERROR(Core_ARM11, "In %s, UNDEFINED\n", __FUNCTION__);
-        exit(-1);
-    }
-    if (CoProc == 10 || CoProc == 11)
+    if (reg == 1)
     {
-        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);
+        state->VFP[VFP_FPSCR] = state->Reg[Rt];
     }
-    LOG_WARNING(Core_ARM11, "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);
-
-    return ARMul_CANT;
-}
-
-unsigned VFPCDP(ARMul_State* state, unsigned type, u32 instr)
-{
-    /* CDP<c> <coproc>,<opc1>,<CRd>,<CRn>,<CRm>,<opc2> */
-    int CoProc = BITS(instr, 8, 11); /* 10 or 11 */
-    int OPC_1 = BITS(instr, 20, 23);
-    int CRd = BITS(instr, 12, 15);
-    int CRn = BITS(instr, 16, 19);
-    int CRm = BITS(instr, 0, 3);
-    int OPC_2 = BITS(instr, 5, 7);
-
-    /* TODO check access permission */
-
-    /* CRn/opc1 CRm/opc2 */
-
-    if (CoProc == 10 || CoProc == 11)
+    else if (reg == 8)
     {
-        if ((OPC_1 & 0xB) == 0xB && BITS(instr, 4, 7) == 0)
-        {
-            unsigned int single = BIT(instr, 8) == 0;
-            unsigned int d      = (single ? BITS(instr, 12,15)<<1 | BIT(instr, 22) : BITS(instr, 12,15) | BIT(instr, 22)<<4);
-            unsigned int imm;
-            instr = BITS(instr, 16, 19) << 4 | BITS(instr, 0, 3); // FIXME dirty workaround to get a correct imm
-
-            if (single)
-                imm = BIT(instr, 7)<<31 | (BIT(instr, 6)==0)<<30 | (BIT(instr, 6) ? 0x1f : 0)<<25 | BITS(instr, 0, 5)<<19;
-            else
-                imm = BIT(instr, 7)<<31 | (BIT(instr, 6)==0)<<30 | (BIT(instr, 6) ? 0xff : 0)<<22 | BITS(instr, 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(instr, 8) == 0;
-            unsigned int d      = (single ? BITS(instr, 12,15)<<1 | BIT(instr, 22) : BITS(instr, 12,15) | BIT(instr, 22)<<4);
-            unsigned int m      = (single ? BITS(instr,  0, 3)<<1 | BIT(instr,  5) : BITS(instr,  0, 3) | BIT(instr, 5)<<4);
-            VMOVR(state, single, d, m);
-            return ARMul_DONE;
-        }
-
-        int exceptions = 0;
-        if (CoProc == 10)
-            exceptions = vfp_single_cpdo(state, instr, state->VFP[VFP_FPSCR]);
-        else
-            exceptions = vfp_double_cpdo(state, instr, state->VFP[VFP_FPSCR]);
-
-        vfp_raise_exceptions(state, exceptions, instr, state->VFP[VFP_FPSCR]);
-
-        return ARMul_DONE;
+        state->VFP[VFP_FPEXC] = state->Reg[Rt];
     }
-    LOG_WARNING(Core_ARM11, "Can't identify %x\n", instr);
-    return ARMul_CANT;
 }
 
-/* ----------- MRC ------------ */
 void VMOVBRS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword n, ARMword* value)
 {
     if (to_arm)
@@ -338,43 +60,7 @@ void VMOVBRS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword n, ARMword*
         state->ExtReg[n] = *value;
     }
 }
-void VMRS(ARMul_State* state, ARMword reg, ARMword Rt, ARMword* value)
-{
-    if (reg == 1)
-    {
-        if (Rt != 15)
-        {
-            *value = state->VFP[VFP_FPSCR];
-        }
-        else
-        {
-            *value = state->VFP[VFP_FPSCR] ;
-        }
-    }
-    else
-    {
-        switch (reg)
-        {
-            case 0:
-                *value = state->VFP[VFP_FPSID];
-                break;
-            case 6:
-                /* MVFR1, VFPv3 only ? */
-                LOG_TRACE(Core_ARM11, "\tr%d <= MVFR1 unimplemented\n", Rt);
-                break;
-            case 7:
-                /* MVFR0, VFPv3 only? */
-                LOG_TRACE(Core_ARM11, "\tr%d <= MVFR0 unimplemented\n", Rt);
-                break;
-            case 8:
-                *value = state->VFP[VFP_FPEXC];
-                break;
-            default:
-                LOG_TRACE(Core_ARM11, "\tSUBARCHITECTURE DEFINED\n");
-                break;
-        }
-    }
-}
+
 void VMOVBRRD(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword* value1, ARMword* value2)
 {
     if (to_arm)
@@ -402,301 +88,6 @@ void VMOVBRRSS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMwor
     }
 }
 
-/* ----------- MCR ------------ */
-void VMSR(ARMul_State* state, ARMword reg, ARMword Rt)
-{
-    if (reg == 1)
-    {
-        state->VFP[VFP_FPSCR] = state->Reg[Rt];
-    }
-    else if (reg == 8)
-    {
-        state->VFP[VFP_FPEXC] = state->Reg[Rt];
-    }
-}
-
-/* Memory operation are not inlined, as old Interpreter and Fast interpreter
-   don't have the same memory operation interface.
-   Old interpreter framework does one access to coprocessor per data, and
-   handles already data write, as well as address computation,
-   which is not the case for Fast interpreter. Therefore, implementation
-   of vfp instructions in old interpreter and fast interpreter are separate. */
-
-/* ----------- STC ------------ */
-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(instr, 8) == 0; // Double precision
-        add = BIT(instr, 23);
-        imm32 = BITS(instr, 0,7)<<2; // may not be used
-        d = single_reg ? BITS(instr, 12, 15)<<1|BIT(instr, 22) : BIT(instr, 22)<<4|BITS(instr, 12, 15); /* Base register */
-        n = BITS(instr, 16, 19); // destination register
-
-        i = 0;
-        regs = 1;
-
-        return ARMul_DONE;
-    }
-    else if (type == ARMul_DATA)
-    {
-        if (single_reg)
-        {
-            *value = 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];
-            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, d, imm32, regs;
-    if (type == ARMul_FIRST)
-    {
-        single_regs = BIT(instr, 8) == 0; // Single precision
-        d = single_regs ? BITS(instr, 12, 15)<<1|BIT(instr, 22) : BIT(instr, 22)<<4|BITS(instr, 12, 15); // Base register
-        imm32 = BITS(instr, 0,7)<<2; // may not be used
-        regs = single_regs ? BITS(instr, 0, 7) : BITS(instr, 1, 7); // FSTMX if regs is odd
-
-        state->Reg[R13] = state->Reg[R13] - imm32;
-
-        i = 0;
-
-        return ARMul_DONE;
-    }
-    else if (type == ARMul_DATA)
-    {
-        if (single_regs)
-        {
-            *value = 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];
-            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(instr, 8) == 0; // Single precision
-        add = BIT(instr, 23);
-        wback = BIT(instr, 21); // write-back
-        d = single_regs ? BITS(instr, 12, 15)<<1|BIT(instr, 22) : BIT(instr, 22)<<4|BITS(instr, 12, 15); // Base register
-        n = BITS(instr, 16, 19); // destination register
-        imm32 = BITS(instr, 0,7) * 4; // may not be used
-        regs = single_regs ? BITS(instr, 0, 7) : BITS(instr, 0, 7)>>1; // FSTMX if regs is odd
-
-        if (wback) {
-            state->Reg[n] = (add ? state->Reg[n] + imm32 : state->Reg[n] - imm32);
-        }
-
-        i = 0;
-
-        return ARMul_DONE;
-    }
-    else if (type == ARMul_DATA)
-    {
-        if (single_regs)
-        {
-            *value = 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];
-            i++;
-            if (i < regs*2)
-                return ARMul_INC;
-            else
-                return ARMul_DONE;
-        }
-    }
-
-    return -1;
-}
-
-/* ----------- LDC ------------ */
-int VPOP(ARMul_State* state, int type, ARMword instr, ARMword value)
-{
-    static int i = 0;
-    static int single_regs, d, imm32, regs;
-    if (type == ARMul_FIRST)
-    {
-        single_regs = BIT(instr, 8) == 0; // Single precision
-        d = single_regs ? BITS(instr, 12, 15)<<1|BIT(instr, 22) : BIT(instr, 22)<<4|BITS(instr, 12, 15); // Base register
-        imm32 = BITS(instr, 0, 7)<<2; // may not be used
-        regs = single_regs ? BITS(instr, 0, 7) : BITS(instr, 1, 7); // FLDMX if regs is odd
-
-        state->Reg[R13] = state->Reg[R13] + imm32;
-
-        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;
-            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;
-            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(instr, 8) == 0; // Double precision
-        add = BIT(instr, 23);
-        imm32 = BITS(instr, 0, 7)<<2; // may not be used
-        d = single_reg ? BITS(instr, 12, 15)<<1|BIT(instr, 22) : BIT(instr, 22)<<4|BITS(instr, 12, 15); // Base register
-        n = BITS(instr, 16, 19); // destination register
-
-        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;
-            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;
-            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(instr, 8) == 0; // Single precision
-        add = BIT(instr, 23);
-        wback = BIT(instr, 21); // write-back
-        d = single_regs ? BITS(instr, 12, 15)<<1|BIT(instr, 22) : BIT(instr, 22)<<4|BITS(instr, 12, 15); // Base register
-        n = BITS(instr, 16, 19); // destination register
-        imm32 = BITS(instr, 0, 7) * 4; // may not be used
-        regs = single_regs ? BITS(instr, 0, 7) : BITS(instr, 0, 7)>>1; // FLDMX if regs is odd
-
-        if (wback) {
-            state->Reg[n] = (add ? state->Reg[n] + imm32 : state->Reg[n] - imm32);
-        }
-
-        i = 0;
-
-        return ARMul_DONE;
-    }
-    else if (type == ARMul_DATA)
-    {
-        if (single_regs)
-        {
-            state->ExtReg[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;
-            i++;
-            if (i < regs*2)
-                return ARMul_INC;
-            else
-                return ARMul_DONE;
-        }
-    }
-
-    return -1;
-}
-
-/* ----------- CDP ------------ */
 void VMOVI(ARMul_State* state, ARMword single, ARMword d, ARMword imm)
 {
     if (single)
diff --git a/src/core/arm/skyeye_common/vfp/vfp.h b/src/core/arm/skyeye_common/vfp/vfp.h
index 1b72383e..727350f1 100644
--- a/src/core/arm/skyeye_common/vfp/vfp.h
+++ b/src/core/arm/skyeye_common/vfp/vfp.h
@@ -28,13 +28,6 @@
 #define CHECK_VFP_CDP_RET vfp_raise_exceptions(cpu, ret, inst_cream->instr, cpu->VFP[VFP_FPSCR]);
 
 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);
-unsigned VFPMRRC(ARMul_State* state, unsigned type, ARMword instr, ARMword* value1, ARMword* value2);
-unsigned VFPMCRR(ARMul_State* state, unsigned type, ARMword instr, ARMword value1, ARMword value2);
-unsigned VFPSTC(ARMul_State* state, unsigned type, ARMword instr, ARMword* value);
-unsigned VFPLDC(ARMul_State* state, unsigned type, ARMword instr, ARMword value);
-unsigned VFPCDP(ARMul_State* state, unsigned type, ARMword instr);
 
 s32 vfp_get_float(ARMul_State* state, u32 reg);
 void vfp_put_float(ARMul_State* state, s32 val, u32 reg);
@@ -44,23 +37,10 @@ void vfp_raise_exceptions(ARMul_State* state, u32 exceptions, u32 inst, u32 fpsc
 u32 vfp_single_cpdo(ARMul_State* state, u32 inst, u32 fpscr);
 u32 vfp_double_cpdo(ARMul_State* state, u32 inst, u32 fpscr);
 
-// MRC
-void VMRS(ARMul_State* state, ARMword reg, ARMword Rt, ARMword* value);
+void VMSR(ARMul_State* state, ARMword reg, ARMword Rt);
 void VMOVBRS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword n, ARMword* value);
 void VMOVBRRD(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword* value1, ARMword* value2);
 void VMOVBRRSS(ARMul_State* state, ARMword to_arm, ARMword t, ARMword t2, ARMword n, ARMword* value1, ARMword* value2);
 void VMOVI(ARMul_State* state, ARMword single, ARMword d, ARMword imm);
 void VMOVR(ARMul_State* state, ARMword single, ARMword d, ARMword imm);
 
-// MCR
-void VMSR(ARMul_State* state, ARMword reg, ARMword Rt);
-
-// STC
-int VSTM(ARMul_State* state, int type, ARMword instr, ARMword* value);
-int VPUSH(ARMul_State* state, int type, ARMword instr, ARMword* value);
-int VSTR(ARMul_State* state, int type, ARMword instr, ARMword* value);
-
-// LDC
-int VLDM(ARMul_State* state, int type, ARMword instr, ARMword value);
-int VPOP(ARMul_State* state, int type, ARMword instr, ARMword value);
-int VLDR(ARMul_State* state, int type, ARMword instr, ARMword value);
-- 
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