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-rw-r--r--src/core/arm/interpreter/vfp/vfp.cpp357
1 files changed, 0 insertions, 357 deletions
diff --git a/src/core/arm/interpreter/vfp/vfp.cpp b/src/core/arm/interpreter/vfp/vfp.cpp
deleted file mode 100644
index eea5e24a9..000000000
--- a/src/core/arm/interpreter/vfp/vfp.cpp
+++ /dev/null
@@ -1,357 +0,0 @@
-/*
- armvfp.c - ARM VFPv3 emulation unit
- Copyright (C) 2003 Skyeye Develop Group
- for help please send mail to <skyeye-developer@lists.gro.clinux.org>
-
- 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
-*/
-
-/* Note: this file handles interface with arm core and vfp registers */
-
-/* Opens debug for classic interpreter only */
-//#define DEBUG
-
-#include "common/common.h"
-
-#include "core/arm/interpreter/armdefs.h"
-#include "core/arm/interpreter/vfp/vfp.h"
-
-//ARMul_State* persistent_state; /* function calls from SoftFloat lib don't have an access to ARMul_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;
- state->VFP[VFP_OFFSET(VFP_FPEXC)] = 0;
- state->VFP[VFP_OFFSET(VFP_FPSCR)] = 0;
-
- //persistent_state = state;
- /* Reset only specify VFP_FPEXC_EN = '0' */
-
- return No_exp;
-}
-
-unsigned
-VFPMRC (ARMul_State * state, unsigned type, ARMword instr, ARMword * value)
-{
- /* MRC<c> <coproc>,<opc1>,<Rt>,<CRn>,<CRm>{,<opc2>} */
- int CoProc = BITS (8, 11); /* 10 or 11 */
- int OPC_1 = BITS (21, 23);
- int Rt = BITS (12, 15);
- int CRn = BITS (16, 19);
- int CRm = BITS (0, 3);
- int OPC_2 = BITS (5, 7);
-
- /* TODO check access permission */
-
- /* CRn/opc1 CRm/opc2 */
-
- if (CoProc == 10 || CoProc == 11)
- {
- #define VFP_MRC_TRANS
- #include "core/arm/interpreter/vfp/vfpinstr.cpp"
- #undef VFP_MRC_TRANS
- }
- DEBUG_LOG(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, ARMword instr, ARMword value)
-{
- /* MCR<c> <coproc>,<opc1>,<Rt>,<CRn>,<CRm>{,<opc2>} */
- int CoProc = BITS (8, 11); /* 10 or 11 */
- int OPC_1 = BITS (21, 23);
- int Rt = BITS (12, 15);
- int CRn = BITS (16, 19);
- int CRm = BITS (0, 3);
- int OPC_2 = BITS (5, 7);
-
- /* TODO check access permission */
-
- /* CRn/opc1 CRm/opc2 */
- if (CoProc == 10 || CoProc == 11)
- {
- #define VFP_MCR_TRANS
- #include "core/arm/interpreter/vfp/vfpinstr.cpp"
- #undef VFP_MCR_TRANS
- }
- DEBUG_LOG(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, ARMword instr, ARMword * value1, ARMword * value2)
-{
- /* MCRR<c> <coproc>,<opc1>,<Rt>,<Rt2>,<CRm> */
- int CoProc = BITS (8, 11); /* 10 or 11 */
- int OPC_1 = BITS (4, 7);
- int Rt = BITS (12, 15);
- int Rt2 = BITS (16, 19);
- int CRm = BITS (0, 3);
-
- if (CoProc == 10 || CoProc == 11)
- {
- #define VFP_MRRC_TRANS
- #include "core/arm/interpreter/vfp/vfpinstr.cpp"
- #undef VFP_MRRC_TRANS
- }
- DEBUG_LOG(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, ARMword instr, ARMword value1, ARMword value2)
-{
- /* MCRR<c> <coproc>,<opc1>,<Rt>,<Rt2>,<CRm> */
- int CoProc = BITS (8, 11); /* 10 or 11 */
- int OPC_1 = BITS (4, 7);
- int Rt = BITS (12, 15);
- int Rt2 = BITS (16, 19);
- int CRm = BITS (0, 3);
-
- /* TODO check access permission */
-
- /* CRn/opc1 CRm/opc2 */
-
- if (CoProc == 11 || CoProc == 10)
- {
- #define VFP_MCRR_TRANS
- #include "core/arm/interpreter/vfp/vfpinstr.cpp"
- #undef VFP_MCRR_TRANS
- }
- DEBUG_LOG(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, ARMword instr, ARMword * value)
-{
- /* STC{L}<c> <coproc>,<CRd>,[<Rn>],<option> */
- int CoProc = BITS (8, 11); /* 10 or 11 */
- int CRd = BITS (12, 15);
- int Rn = BITS (16, 19);
- int imm8 = BITS (0, 7);
- int P = BIT(24);
- int U = BIT(23);
- int D = BIT(22);
- int W = BIT(21);
-
- /* TODO check access permission */
-
- /* VSTM */
- if ( (P|U|D|W) == 0 )
- {
- DEBUG_LOG(ARM11, "In %s, UNDEFINED\n", __FUNCTION__); exit(-1);
- }
- if (CoProc == 10 || CoProc == 11)
- {
- #if 1
- if (P == 0 && U == 0 && W == 0)
- {
- DEBUG_LOG(ARM11, "VSTM Related encodings\n"); exit(-1);
- }
- if (P == U && W == 1)
- {
- DEBUG_LOG(ARM11, "UNDEFINED\n"); exit(-1);
- }
- #endif
-
- #define VFP_STC_TRANS
- #include "core/arm/interpreter/vfp/vfpinstr.cpp"
- #undef VFP_STC_TRANS
- }
- DEBUG_LOG(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, ARMword instr, ARMword value)
-{
- /* LDC{L}<c> <coproc>,<CRd>,[<Rn>] */
- int CoProc = BITS (8, 11); /* 10 or 11 */
- int CRd = BITS (12, 15);
- int Rn = BITS (16, 19);
- int imm8 = BITS (0, 7);
- int P = BIT(24);
- int U = BIT(23);
- int D = BIT(22);
- int W = BIT(21);
-
- /* TODO check access permission */
-
- if ( (P|U|D|W) == 0 )
- {
- DEBUG_LOG(ARM11, "In %s, UNDEFINED\n", __FUNCTION__); exit(-1);
- }
- if (CoProc == 10 || CoProc == 11)
- {
- #define VFP_LDC_TRANS
- #include "core/arm/interpreter/vfp/vfpinstr.cpp"
- #undef VFP_LDC_TRANS
- }
- DEBUG_LOG(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, ARMword instr)
-{
- /* CDP<c> <coproc>,<opc1>,<CRd>,<CRn>,<CRm>,<opc2> */
- int CoProc = BITS (8, 11); /* 10 or 11 */
- int OPC_1 = BITS (20, 23);
- int CRd = BITS (12, 15);
- int CRn = BITS (16, 19);
- int CRm = BITS (0, 3);
- int OPC_2 = BITS (5, 7);
-
- /* TODO check access permission */
-
- /* CRn/opc1 CRm/opc2 */
-
- if (CoProc == 10 || CoProc == 11)
- {
- #define VFP_CDP_TRANS
- #include "core/arm/interpreter/vfp/vfpinstr.cpp"
- #undef VFP_CDP_TRANS
-
- int exceptions = 0;
- if (CoProc == 10)
- exceptions = vfp_single_cpdo(state, instr, state->VFP[VFP_OFFSET(VFP_FPSCR)]);
- else
- exceptions = vfp_double_cpdo(state, instr, state->VFP[VFP_OFFSET(VFP_FPSCR)]);
-
- vfp_raise_exceptions(state, exceptions, instr, state->VFP[VFP_OFFSET(VFP_FPSCR)]);
-
- return ARMul_DONE;
- }
- DEBUG_LOG(ARM11, "Can't identify %x\n", instr);
- return ARMul_CANT;
-}
-
-
-/* ----------- MRC ------------ */
-#define VFP_MRC_IMPL
-#include "core/arm/interpreter/vfp/vfpinstr.cpp"
-#undef VFP_MRC_IMPL
-
-#define VFP_MRRC_IMPL
-#include "core/arm/interpreter/vfp/vfpinstr.cpp"
-#undef VFP_MRRC_IMPL
-
-
-/* ----------- MCR ------------ */
-#define VFP_MCR_IMPL
-#include "core/arm/interpreter/vfp/vfpinstr.cpp"
-#undef VFP_MCR_IMPL
-
-#define VFP_MCRR_IMPL
-#include "core/arm/interpreter/vfp/vfpinstr.cpp"
-#undef VFP_MCRR_IMPL
-
-/* 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 ------------ */
-#define VFP_STC_IMPL
-#include "core/arm/interpreter/vfp/vfpinstr.cpp"
-#undef VFP_STC_IMPL
-
-
-/* ----------- LDC ------------ */
-#define VFP_LDC_IMPL
-#include "core/arm/interpreter/vfp/vfpinstr.cpp"
-#undef VFP_LDC_IMPL
-
-
-/* ----------- CDP ------------ */
-#define VFP_CDP_IMPL
-#include "core/arm/interpreter/vfp/vfpinstr.cpp"
-#undef VFP_CDP_IMPL
-
-/* Miscellaneous functions */
-int32_t vfp_get_float(arm_core_t* state, unsigned int reg)
-{
- DBG("VFP get float: s%d=[%08x]\n", reg, state->ExtReg[reg]);
- return state->ExtReg[reg];
-}
-
-void vfp_put_float(arm_core_t* state, int32_t val, unsigned int reg)
-{
- DBG("VFP put float: s%d <= [%08x]\n", reg, val);
- state->ExtReg[reg] = val;
-}
-
-uint64_t vfp_get_double(arm_core_t* state, unsigned int reg)
-{
- uint64_t result;
- result = ((uint64_t) state->ExtReg[reg*2+1])<<32 | state->ExtReg[reg*2];
- DBG("VFP get double: s[%d-%d]=[%016llx]\n", reg*2+1, reg*2, result);
- return result;
-}
-
-void vfp_put_double(arm_core_t* state, uint64_t val, unsigned int reg)
-{
- DBG("VFP put double: s[%d-%d] <= [%08x-%08x]\n", reg*2+1, reg*2, (uint32_t) (val>>32), (uint32_t) (val & 0xffffffff));
- state->ExtReg[reg*2] = (uint32_t) (val & 0xffffffff);
- state->ExtReg[reg*2+1] = (uint32_t) (val>>32);
-}
-
-
-
-/*
- * Process bitmask of exception conditions. (from vfpmodule.c)
- */
-void vfp_raise_exceptions(ARMul_State* state, u32 exceptions, u32 inst, u32 fpscr)
-{
- int si_code = 0;
-
- vfpdebug("VFP: raising exceptions %08x\n", exceptions);
-
- if (exceptions == VFP_EXCEPTION_ERROR) {
- DEBUG_LOG(ARM11, "unhandled bounce %x\n", inst);
- exit(-1);
- return;
- }
-
- /*
- * If any of the status flags are set, update the FPSCR.
- * Comparison instructions always return at least one of
- * these flags set.
- */
- if (exceptions & (FPSCR_N|FPSCR_Z|FPSCR_C|FPSCR_V))
- fpscr &= ~(FPSCR_N|FPSCR_Z|FPSCR_C|FPSCR_V);
-
- fpscr |= exceptions;
-
- state->VFP[VFP_OFFSET(VFP_FPSCR)] = fpscr;
-}
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