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-rw-r--r--src/core/CMakeLists.txt1
-rw-r--r--src/core/arm/interpreter/armcopro.cpp142
-rw-r--r--src/core/arm/interpreter/arminit.cpp17
-rw-r--r--src/core/arm/skyeye_common/armdefs.h26
-rw-r--r--src/core/arm/skyeye_common/armemu.h9
-rw-r--r--src/core/arm/skyeye_common/vfp/vfp.cpp621
-rw-r--r--src/core/arm/skyeye_common/vfp/vfp.h22
7 files changed, 15 insertions, 823 deletions
diff --git a/src/core/CMakeLists.txt b/src/core/CMakeLists.txt
index 0528175ba..42733b95e 100644
--- a/src/core/CMakeLists.txt
+++ b/src/core/CMakeLists.txt
@@ -6,7 +6,6 @@ set(SRCS
arm/dyncom/arm_dyncom_interpreter.cpp
arm/dyncom/arm_dyncom_run.cpp
arm/dyncom/arm_dyncom_thumb.cpp
- arm/interpreter/armcopro.cpp
arm/interpreter/arminit.cpp
arm/interpreter/armsupp.cpp
arm/skyeye_common/vfp/vfp.cpp
diff --git a/src/core/arm/interpreter/armcopro.cpp b/src/core/arm/interpreter/armcopro.cpp
deleted file mode 100644
index 4ae0c52e4..000000000
--- a/src/core/arm/interpreter/armcopro.cpp
+++ /dev/null
@@ -1,142 +0,0 @@
-/* armcopro.c -- co-processor interface: ARM6 Instruction Emulator.
- Copyright (C) 1994, 2000 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 2 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, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
-
-#include "core/arm/skyeye_common/armdefs.h"
-#include "core/arm/skyeye_common/armemu.h"
-#include "core/arm/skyeye_common/vfp/vfp.h"
-
-// Dummy Co-processors.
-
-static unsigned int NoCoPro3R(ARMul_State* state, unsigned int a, ARMword b)
-{
- return ARMul_CANT;
-}
-
-static unsigned int NoCoPro4R(ARMul_State* state, unsigned int a, ARMword b, ARMword c)
-{
- return ARMul_CANT;
-}
-
-static unsigned int NoCoPro4W(ARMul_State* state, unsigned int a, ARMword b, ARMword* c)
-{
- return ARMul_CANT;
-}
-
-static unsigned int NoCoPro5R(ARMul_State* state, unsigned int a, ARMword b, ARMword c, ARMword d)
-{
- return ARMul_CANT;
-}
-
-static unsigned int NoCoPro5W(ARMul_State* state, unsigned int a, ARMword b, ARMword* c, ARMword* d)
-{
- return ARMul_CANT;
-}
-
-// Install co-processor instruction handlers in this routine.
-void ARMul_CoProInit(ARMul_State* state)
-{
- // Initialise tham all first.
- for (unsigned int i = 0; i < 16; i++)
- ARMul_CoProDetach(state, i);
-
- // Install CoPro Instruction handlers here.
- // The format is:
- // ARMul_CoProAttach (state, CP Number, Init routine, Exit routine
- // LDC routine, STC routine, MRC routine, MCR routine,
- // CDP routine, Read Reg routine, Write Reg routine).
- if (state->is_v6) {
- ARMul_CoProAttach(state, 10, VFPInit, NULL, VFPLDC, VFPSTC,
- VFPMRC, VFPMCR, VFPMRRC, VFPMCRR, VFPCDP, NULL, NULL);
- ARMul_CoProAttach(state, 11, VFPInit, NULL, VFPLDC, VFPSTC,
- VFPMRC, VFPMCR, VFPMRRC, VFPMCRR, VFPCDP, NULL, NULL);
-
- /*ARMul_CoProAttach (state, 15, MMUInit, NULL, NULL, NULL,
- MMUMRC, MMUMCR, NULL, NULL, NULL, NULL, NULL);*/
- }
-
- // No handlers below here.
-
- // Call all the initialisation routines.
- for (unsigned int i = 0; i < 16; i++) {
- if (state->CPInit[i])
- (state->CPInit[i]) (state);
- }
-}
-
-// Install co-processor finalisation routines in this routine.
-void ARMul_CoProExit(ARMul_State * state)
-{
- for (unsigned int i = 0; i < 16; i++)
- if (state->CPExit[i])
- (state->CPExit[i]) (state);
-
- // Detach all handlers.
- for (unsigned int i = 0; i < 16; i++)
- ARMul_CoProDetach(state, i);
-}
-
-// Routines to hook Co-processors into ARMulator.
-
-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_MRRCs* mrrc,
-ARMul_MCRRs* mcrr,
-ARMul_CDPs* cdp,
-ARMul_CPReads* read, ARMul_CPWrites* write)
-{
- if (init != NULL)
- state->CPInit[number] = init;
- if (exit != NULL)
- state->CPExit[number] = exit;
- if (ldc != NULL)
- state->LDC[number] = ldc;
- if (stc != NULL)
- state->STC[number] = stc;
- if (mrc != NULL)
- state->MRC[number] = mrc;
- if (mcr != NULL)
- state->MCR[number] = mcr;
- if (mrrc != NULL)
- state->MRRC[number] = mrrc;
- if (mcrr != NULL)
- state->MCRR[number] = mcrr;
- if (cdp != NULL)
- state->CDP[number] = cdp;
- if (read != NULL)
- state->CPRead[number] = read;
- if (write != NULL)
- state->CPWrite[number] = write;
-}
-
-void ARMul_CoProDetach(ARMul_State* state, unsigned number)
-{
- ARMul_CoProAttach(state, number, NULL, NULL,
- NoCoPro4R, NoCoPro4W, NoCoPro4W, NoCoPro4R,
- NoCoPro5W, NoCoPro5R, NoCoPro3R, NULL, NULL);
-
- state->CPInit[number] = NULL;
- state->CPExit[number] = NULL;
- state->CPRead[number] = NULL;
- state->CPWrite[number] = NULL;
-}
diff --git a/src/core/arm/interpreter/arminit.cpp b/src/core/arm/interpreter/arminit.cpp
index 1d732fe84..6fa028f49 100644
--- a/src/core/arm/interpreter/arminit.cpp
+++ b/src/core/arm/interpreter/arminit.cpp
@@ -19,6 +19,7 @@
#include "core/mem_map.h"
#include "core/arm/skyeye_common/armdefs.h"
#include "core/arm/skyeye_common/armemu.h"
+#include "core/arm/skyeye_common/vfp/vfp.h"
/***************************************************************************\
* Returns a new instantiation of the ARMulator's state *
@@ -56,15 +57,11 @@ ARMul_State* ARMul_NewState(ARMul_State* state)
void ARMul_SelectProcessor(ARMul_State* state, unsigned properties)
{
- state->is_v4 = (properties & (ARM_v4_Prop | ARM_v5_Prop)) != 0;
- state->is_v5 = (properties & ARM_v5_Prop) != 0;
- state->is_v5e = (properties & ARM_v5e_Prop) != 0;
- state->is_v6 = (properties & ARM_v6_Prop) != 0;
- state->is_v7 = (properties & ARM_v7_Prop) != 0;
-
- // Only initialse the coprocessor support once we
- // know what kind of chip we are dealing with.
- ARMul_CoProInit(state);
+ state->is_v4 = (properties & (ARM_v4_Prop | ARM_v5_Prop)) != 0;
+ state->is_v5 = (properties & ARM_v5_Prop) != 0;
+ state->is_v5e = (properties & ARM_v5e_Prop) != 0;
+ state->is_v6 = (properties & ARM_v6_Prop) != 0;
+ state->is_v7 = (properties & ARM_v7_Prop) != 0;
}
// Resets certain MPCore CP15 values to their ARM-defined reset values.
@@ -130,6 +127,8 @@ static void ResetMPCoreCP15Registers(ARMul_State* cpu)
\***************************************************************************/
void ARMul_Reset(ARMul_State* state)
{
+ VFPInit(state);
+
state->NextInstr = 0;
state->Reg[15] = 0;
diff --git a/src/core/arm/skyeye_common/armdefs.h b/src/core/arm/skyeye_common/armdefs.h
index 743e935f0..64ca523e8 100644
--- a/src/core/arm/skyeye_common/armdefs.h
+++ b/src/core/arm/skyeye_common/armdefs.h
@@ -55,18 +55,6 @@ typedef u16 ARMhword; // must be 16 bits wide
typedef u8 ARMbyte; // must be 8 bits wide
typedef struct ARMul_State ARMul_State;
-typedef unsigned ARMul_CPInits(ARMul_State* state);
-typedef unsigned ARMul_CPExits(ARMul_State* state);
-typedef unsigned ARMul_LDCs(ARMul_State* state, unsigned type, ARMword instr, ARMword value);
-typedef unsigned ARMul_STCs(ARMul_State* state, unsigned type, ARMword instr, ARMword* value);
-typedef unsigned ARMul_MRCs(ARMul_State* state, unsigned type, ARMword instr, ARMword* value);
-typedef unsigned ARMul_MCRs(ARMul_State* state, unsigned type, ARMword instr, ARMword value);
-typedef unsigned ARMul_MRRCs(ARMul_State* state, unsigned type, ARMword instr, ARMword* value1, ARMword* value2);
-typedef unsigned ARMul_MCRRs(ARMul_State* state, unsigned type, ARMword instr, ARMword value1, ARMword value2);
-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);
-
#define VFP_REG_NUM 64
struct ARMul_State
{
@@ -117,20 +105,6 @@ struct ARMul_State
unsigned NextInstr;
unsigned VectorCatch; // Caught exception mask
- 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_MRRCs* MRRC[16]; // MRRC instruction
- ARMul_MCRRs* MCRR[16]; // MCRR 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 NresetSig; // Reset the processor
unsigned NfiqSig;
unsigned NirqSig;
diff --git a/src/core/arm/skyeye_common/armemu.h b/src/core/arm/skyeye_common/armemu.h
index 2a1c50779..b8113dfc1 100644
--- a/src/core/arm/skyeye_common/armemu.h
+++ b/src/core/arm/skyeye_common/armemu.h
@@ -57,12 +57,3 @@ enum {
};
#define FLUSHPIPE state->NextInstr |= PRIMEPIPE
-
-// Coprocessor support functions.
-extern void ARMul_CoProInit(ARMul_State*);
-extern void ARMul_CoProExit(ARMul_State*);
-extern void ARMul_CoProAttach(ARMul_State*, unsigned, ARMul_CPInits*,
- ARMul_CPExits*, ARMul_LDCs*, ARMul_STCs*,
- ARMul_MRCs*, ARMul_MCRs*, ARMul_MRRCs*, ARMul_MCRRs*,
- ARMul_CDPs*, ARMul_CPReads*, ARMul_CPWrites*);
-extern void ARMul_CoProDetach(ARMul_State*, unsigned);
diff --git a/src/core/arm/skyeye_common/vfp/vfp.cpp b/src/core/arm/skyeye_common/vfp/vfp.cpp
index d793261fd..d0fa157a2 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 1b72383e7..727350f14 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);