diff options
Diffstat (limited to 'src/core')
-rw-r--r-- | src/core/arm/dyncom/arm_dyncom_interpreter.cpp | 48 | ||||
-rw-r--r-- | src/core/arm/interpreter/armemu.cpp | 102 | ||||
-rw-r--r-- | src/core/file_sys/archive_backend.h | 11 | ||||
-rw-r--r-- | src/core/hle/kernel/kernel.h | 12 | ||||
-rw-r--r-- | src/core/hle/kernel/semaphore.cpp | 8 | ||||
-rw-r--r-- | src/core/hle/kernel/semaphore.h | 2 | ||||
-rw-r--r-- | src/core/hle/kernel/thread.cpp | 3 | ||||
-rw-r--r-- | src/core/hle/kernel/thread.h | 3 | ||||
-rw-r--r-- | src/core/loader/3dsx.cpp | 4 |
9 files changed, 153 insertions, 40 deletions
diff --git a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp index 68012bffd..84b4a38f0 100644 --- a/src/core/arm/dyncom/arm_dyncom_interpreter.cpp +++ b/src/core/arm/dyncom/arm_dyncom_interpreter.cpp @@ -1266,6 +1266,13 @@ typedef struct _smla_inst { unsigned int Rn; } smla_inst; +typedef struct umaal_inst { + unsigned int Rn; + unsigned int Rm; + unsigned int RdHi; + unsigned int RdLo; +} umaal_inst; + typedef struct _umlal_inst { unsigned int S; unsigned int Rm; @@ -3010,7 +3017,26 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(uhaddsubx)(unsigned int inst, int index) { UN ARM_INST_PTR INTERPRETER_TRANSLATE(uhsub16)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHSUB16"); } ARM_INST_PTR INTERPRETER_TRANSLATE(uhsub8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHSUB8"); } ARM_INST_PTR INTERPRETER_TRANSLATE(uhsubaddx)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UHSUBADDX"); } -ARM_INST_PTR INTERPRETER_TRANSLATE(umaal)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("UMAAL"); } +ARM_INST_PTR INTERPRETER_TRANSLATE(umaal)(unsigned int inst, int index) +{ + arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(umaal_inst)); + umaal_inst* const inst_cream = (umaal_inst*)inst_base->component; + + inst_base->cond = BITS(inst, 28, 31); + inst_base->idx = index; + inst_base->br = NON_BRANCH; + inst_base->load_r15 = 0; + + inst_cream->Rm = BITS(inst, 8, 11); + inst_cream->Rn = BITS(inst, 0, 3); + inst_cream->RdLo = BITS(inst, 12, 15); + inst_cream->RdHi = BITS(inst, 16, 19); + + if (CHECK_RM || CHECK_RN) + inst_base->load_r15 = 1; + + return inst_base; +} ARM_INST_PTR INTERPRETER_TRANSLATE(umlal)(unsigned int inst, int index) { arm_inst *inst_base = (arm_inst *)AllocBuffer(sizeof(arm_inst) + sizeof(umlal_inst)); @@ -6374,6 +6400,26 @@ unsigned InterpreterMainLoop(ARMul_State* state) UHSUB8_INST: UHSUBADDX_INST: UMAAL_INST: + { + INC_ICOUNTER; + if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { + umaal_inst* const inst_cream = (umaal_inst*)inst_base->component; + + const u32 rm = RM; + const u32 rn = RN; + const u32 rd_lo = RDLO; + const u32 rd_hi = RDHI; + + const u64 result = (rm * rn) + rd_lo + rd_hi; + + RDLO = (result & 0xFFFFFFFF); + RDHI = ((result >> 32) & 0xFFFFFFFF); + } + cpu->Reg[15] += GET_INST_SIZE(cpu); + INC_PC(sizeof(umaal_inst)); + FETCH_INST; + GOTO_NEXT_INST; + } UMLAL_INST: { INC_ICOUNTER; diff --git a/src/core/arm/interpreter/armemu.cpp b/src/core/arm/interpreter/armemu.cpp index 63cfd03c6..7a319b635 100644 --- a/src/core/arm/interpreter/armemu.cpp +++ b/src/core/arm/interpreter/armemu.cpp @@ -5882,8 +5882,10 @@ L_stm_s_takeabort: printf("Unhandled v6 insn: %08x", BITS(20, 27)); } break; - case 0x62: // QSUB16 and QADD16 - if ((instr & 0xFF0) == 0xf70 || (instr & 0xFF0) == 0xf10) { + case 0x62: // QADD16, QASX, QSAX, and QSUB16 + if ((instr & 0xFF0) == 0xf10 || (instr & 0xFF0) == 0xf30 || + (instr & 0xFF0) == 0xf50 || (instr & 0xFF0) == 0xf70) + { const u8 rd_idx = BITS(12, 15); const u8 rn_idx = BITS(16, 19); const u8 rm_idx = BITS(0, 3); @@ -5895,15 +5897,26 @@ L_stm_s_takeabort: s32 lo_result; s32 hi_result; + // QADD16 + if ((instr & 0xFF0) == 0xf10) { + lo_result = (rn_lo + rm_lo); + hi_result = (rn_hi + rm_hi); + } + // QASX + else if ((instr & 0xFF0) == 0xf30) { + lo_result = (rn_lo - rm_hi); + hi_result = (rn_hi + rm_lo); + } + // QSAX + else if ((instr & 0xFF0) == 0xf50) { + lo_result = (rn_lo + rm_hi); + hi_result = (rn_hi - rm_lo); + } // QSUB16 - if ((instr & 0xFF0) == 0xf70) { + else { lo_result = (rn_lo - rm_lo); hi_result = (rn_hi - rm_hi); } - else { // QADD16 - lo_result = (rn_lo + rm_lo); - hi_result = (rn_hi + rm_hi); - } if (lo_result > 0x7FFF) lo_result = 0x7FFF; @@ -6078,22 +6091,28 @@ L_stm_s_takeabort: //ichfly //SSAT16 { - u8 tar = BITS(12, 15); - u8 src = BITS(0, 3); - u8 val = BITS(16, 19) + 1; - s16 a1 = (state->Reg[src]); - s16 a2 = (state->Reg[src] >> 0x10); - s16 min = (s16)(0x8000 >> (16 - val)); - s16 max = 0x7FFF >> (16 - val); - if (min > a1) a1 = min; - if (max < a1) a1 = max; - if (min > a2) a2 = min; - if (max < a2) a2 = max; - u32 temp2 = ((u32)(a2)) << 0x10; - state->Reg[tar] = (a1 & 0xFFFF) | (temp2); + const u8 rd_idx = BITS(12, 15); + const u8 rn_idx = BITS(0, 3); + const u8 num_bits = BITS(16, 19) + 1; + const s16 min = -(0x8000 >> (16 - num_bits)); + const s16 max = (0x7FFF >> (16 - num_bits)); + s16 rn_lo = (state->Reg[rn_idx]); + s16 rn_hi = (state->Reg[rn_idx] >> 16); + + if (rn_lo > max) + rn_lo = max; + else if (rn_lo < min) + rn_lo = min; + + if (rn_hi > max) + rn_hi = max; + else if (rn_hi < min) + rn_hi = min; + + state->Reg[rd_idx] = (rn_lo & 0xFFFF) | ((rn_hi & 0xFFFF) << 16); + return 1; } - return 1; default: break; } @@ -6314,11 +6333,14 @@ L_stm_s_takeabort: } case 0x70: // ichfly - // SMUAD, SMUSD, SMLAD - if ((instr & 0xf0d0) == 0xf010 || (instr & 0xf0d0) == 0xf050 || (instr & 0xd0) == 0x10) { + // SMUAD, SMUSD, SMLAD, and SMLSD + if ((instr & 0xf0d0) == 0xf010 || (instr & 0xf0d0) == 0xf050 || + (instr & 0xd0) == 0x10 || (instr & 0xd0) == 0x50) + { const u8 rd_idx = BITS(16, 19); const u8 rn_idx = BITS(0, 3); const u8 rm_idx = BITS(8, 11); + const u8 ra_idx = BITS(12, 15); const bool do_swap = (BIT(5) == 1); u32 rm_val = state->Reg[rm_idx]; @@ -6341,13 +6363,14 @@ L_stm_s_takeabort: state->Reg[rd_idx] = (rn_lo * rm_lo) - (rn_hi * rm_hi); } // SMLAD - else { - const u8 ra_idx = BITS(12, 15); + else if ((instr & 0xd0) == 0x10) { state->Reg[rd_idx] = (rn_lo * rm_lo) + (rn_hi * rm_hi) + (s32)state->Reg[ra_idx]; } + // SMLSD + else { + state->Reg[rd_idx] = ((rn_lo * rm_lo) - (rn_hi * rm_hi)) + (s32)state->Reg[ra_idx]; + } return 1; - } else { - printf ("Unhandled v6 insn: smlsd\n"); } break; case 0x74: @@ -6357,7 +6380,30 @@ L_stm_s_takeabort: printf ("Unhandled v6 insn: smmla/smmls/smmul\n"); break; case 0x78: - printf ("Unhandled v6 insn: usad/usada8\n"); + if (BITS(20, 24) == 0x18) + { + const u8 rm_idx = BITS(8, 11); + const u8 rn_idx = BITS(0, 3); + const u8 rd_idx = BITS(16, 19); + + const u32 rm_val = state->Reg[rm_idx]; + const u32 rn_val = state->Reg[rn_idx]; + + const u8 diff1 = (u8)std::labs((rn_val & 0xFF) - (rm_val & 0xFF)); + const u8 diff2 = (u8)std::labs(((rn_val >> 8) & 0xFF) - ((rm_val >> 8) & 0xFF)); + const u8 diff3 = (u8)std::labs(((rn_val >> 16) & 0xFF) - ((rm_val >> 16) & 0xFF)); + const u8 diff4 = (u8)std::labs(((rn_val >> 24) & 0xFF) - ((rm_val >> 24) & 0xFF)); + + u32 finalDif = (diff1 + diff2 + diff3 + diff4); + + // Op is USADA8 if true. + const u8 ra_idx = BITS(12, 15); + if (ra_idx != 15) + finalDif += state->Reg[ra_idx]; + + state->Reg[rd_idx] = finalDif; + return 1; + } break; case 0x7a: printf ("Unhandled v6 insn: usbfx\n"); diff --git a/src/core/file_sys/archive_backend.h b/src/core/file_sys/archive_backend.h index 18c314884..d7959b2ca 100644 --- a/src/core/file_sys/archive_backend.h +++ b/src/core/file_sys/archive_backend.h @@ -143,7 +143,16 @@ public: case Char: return std::vector<u8>(string.begin(), string.end()); case Wchar: - return std::vector<u8>(u16str.begin(), u16str.end()); + { + // use two u8 for each character of u16str + std::vector<u8> to_return(u16str.size() * 2); + for (size_t i = 0; i < u16str.size(); ++i) { + u16 tmp_char = u16str.at(i); + to_return[i*2] = (tmp_char & 0xFF00) >> 8; + to_return[i*2 + 1] = (tmp_char & 0x00FF); + } + return to_return; + } case Empty: return {}; default: diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h index 7123485be..683fffeee 100644 --- a/src/core/hle/kernel/kernel.h +++ b/src/core/hle/kernel/kernel.h @@ -14,6 +14,10 @@ typedef s32 Result; namespace Kernel { +// From kernel.h. Declarations duplicated here to avoid a circular header dependency. +class Thread; +Thread* GetCurrentThread(); + enum KernelHandle { CurrentThread = 0xFFFF8000, CurrentProcess = 0xFFFF8001, @@ -81,6 +85,10 @@ public: template <class T> T* Get(Handle handle) { + if (handle == CurrentThread) { + return reinterpret_cast<T*>(GetCurrentThread()); + } + if (handle < HANDLE_OFFSET || handle >= HANDLE_OFFSET + MAX_COUNT || !occupied[handle - HANDLE_OFFSET]) { if (handle != 0) { LOG_ERROR(Kernel, "Bad object handle %08x", handle); @@ -99,6 +107,10 @@ public: // ONLY use this when you know the handle is valid. template <class T> T *GetFast(Handle handle) { + if (handle == CurrentThread) { + return reinterpret_cast<T*>(GetCurrentThread()); + } + const Handle realHandle = handle - HANDLE_OFFSET; _dbg_assert_(Kernel, realHandle >= 0 && realHandle < MAX_COUNT && occupied[realHandle]); return static_cast<T*>(pool[realHandle]); diff --git a/src/core/hle/kernel/semaphore.cpp b/src/core/hle/kernel/semaphore.cpp index 6f56da8a9..f955d1957 100644 --- a/src/core/hle/kernel/semaphore.cpp +++ b/src/core/hle/kernel/semaphore.cpp @@ -20,8 +20,8 @@ public: static Kernel::HandleType GetStaticHandleType() { return Kernel::HandleType::Semaphore; } Kernel::HandleType GetHandleType() const override { return Kernel::HandleType::Semaphore; } - u32 max_count; ///< Maximum number of simultaneous holders the semaphore can have - u32 available_count; ///< Number of free slots left in the semaphore + s32 max_count; ///< Maximum number of simultaneous holders the semaphore can have + s32 available_count; ///< Number of free slots left in the semaphore std::queue<Handle> waiting_threads; ///< Threads that are waiting for the semaphore std::string name; ///< Name of semaphore (optional) @@ -49,8 +49,8 @@ public: //////////////////////////////////////////////////////////////////////////////////////////////////// -ResultCode CreateSemaphore(Handle* handle, u32 initial_count, - u32 max_count, const std::string& name) { +ResultCode CreateSemaphore(Handle* handle, s32 initial_count, + s32 max_count, const std::string& name) { if (initial_count > max_count) return ResultCode(ErrorDescription::InvalidCombination, ErrorModule::Kernel, diff --git a/src/core/hle/kernel/semaphore.h b/src/core/hle/kernel/semaphore.h index f0075fdb8..ad474b875 100644 --- a/src/core/hle/kernel/semaphore.h +++ b/src/core/hle/kernel/semaphore.h @@ -18,7 +18,7 @@ namespace Kernel { * @param name Optional name of semaphore * @return ResultCode of the error */ -ResultCode CreateSemaphore(Handle* handle, u32 initial_count, u32 max_count, const std::string& name = "Unknown"); +ResultCode CreateSemaphore(Handle* handle, s32 initial_count, s32 max_count, const std::string& name = "Unknown"); /** * Releases a certain number of slots from a semaphore. diff --git a/src/core/hle/kernel/thread.cpp b/src/core/hle/kernel/thread.cpp index 1c04701de..47be22653 100644 --- a/src/core/hle/kernel/thread.cpp +++ b/src/core/hle/kernel/thread.cpp @@ -83,8 +83,7 @@ static Thread* current_thread; static const u32 INITIAL_THREAD_ID = 1; ///< The first available thread id at startup static u32 next_thread_id; ///< The next available thread id -/// Gets the current thread -inline Thread* GetCurrentThread() { +Thread* GetCurrentThread() { return current_thread; } diff --git a/src/core/hle/kernel/thread.h b/src/core/hle/kernel/thread.h index be7adface..ec3b887d4 100644 --- a/src/core/hle/kernel/thread.h +++ b/src/core/hle/kernel/thread.h @@ -78,6 +78,9 @@ Handle ArbitrateHighestPriorityThread(u32 arbiter, u32 address); /// Arbitrate all threads currently waiting... void ArbitrateAllThreads(u32 arbiter, u32 address); +/// Gets the current thread +Thread* GetCurrentThread(); + /// Gets the current thread handle Handle GetCurrentThreadHandle(); diff --git a/src/core/loader/3dsx.cpp b/src/core/loader/3dsx.cpp index 0437e5374..3d84fc5da 100644 --- a/src/core/loader/3dsx.cpp +++ b/src/core/loader/3dsx.cpp @@ -223,9 +223,7 @@ int THREEDSXReader::Load3DSXFile(const std::string& filename, u32 base_addr) LOG_INFO(Loader, "Loading 3DSX file %s...", filename.c_str()); FileUtil::IOFile file(filename, "rb"); if (file.IsOpen()) { - - THREEDSXReader reader; - reader.Load3DSXFile(filename, 0x00100000); + THREEDSXReader::Load3DSXFile(filename, 0x00100000); Kernel::LoadExec(0x00100000); } else { return ResultStatus::Error; |