diff options
Diffstat (limited to 'src/core/arm')
-rw-r--r-- | src/core/arm/arm_interface.h | 57 | ||||
-rw-r--r-- | src/core/arm/dynarmic/arm_dynarmic.cpp | 62 | ||||
-rw-r--r-- | src/core/arm/dynarmic/arm_dynarmic.h | 32 | ||||
-rw-r--r-- | src/core/arm/exclusive_monitor.h | 12 | ||||
-rw-r--r-- | src/core/arm/unicorn/arm_unicorn.cpp | 31 | ||||
-rw-r--r-- | src/core/arm/unicorn/arm_unicorn.h | 14 |
6 files changed, 98 insertions, 110 deletions
diff --git a/src/core/arm/arm_interface.h b/src/core/arm/arm_interface.h index c368745b1..867e34932 100644 --- a/src/core/arm/arm_interface.h +++ b/src/core/arm/arm_interface.h @@ -10,7 +10,7 @@ namespace Core { -/// Generic ARM11 CPU interface +/// Generic ARMv8 CPU interface class ARM_Interface : NonCopyable { public: virtual ~ARM_Interface() {} @@ -19,9 +19,9 @@ public: std::array<u64, 31> cpu_registers; u64 sp; u64 pc; - u64 cpsr; - std::array<u128, 32> fpu_registers; - u64 fpscr; + u64 pstate; + std::array<u128, 32> vector_registers; + u64 fpcr; }; /// Runs the CPU until an event happens @@ -31,11 +31,11 @@ public: virtual void Step() = 0; /// Maps a backing memory region for the CPU - virtual void MapBackingMemory(VAddr address, size_t size, u8* memory, + virtual void MapBackingMemory(VAddr address, std::size_t size, u8* memory, Kernel::VMAPermission perms) = 0; /// Unmaps a region of memory that was previously mapped using MapBackingMemory - virtual void UnmapMemory(VAddr address, size_t size) = 0; + virtual void UnmapMemory(VAddr address, std::size_t size) = 0; /// Clear all instruction cache virtual void ClearInstructionCache() = 0; @@ -69,42 +69,50 @@ public: */ virtual void SetReg(int index, u64 value) = 0; - virtual u128 GetExtReg(int index) const = 0; - - virtual void SetExtReg(int index, u128 value) = 0; - /** - * Gets the value of a VFP register - * @param index Register index (0-31) - * @return Returns the value in the register + * Gets the value of a specified vector register. + * + * @param index The index of the vector register. + * @return the value within the vector register. */ - virtual u32 GetVFPReg(int index) const = 0; + virtual u128 GetVectorReg(int index) const = 0; /** - * Sets a VFP register to the given value - * @param index Register index (0-31) - * @param value Value to set register to + * Sets a given value into a vector register. + * + * @param index The index of the vector register. + * @param value The new value to place in the register. */ - virtual void SetVFPReg(int index, u32 value) = 0; + virtual void SetVectorReg(int index, u128 value) = 0; /** - * Get the current CPSR register - * @return Returns the value of the CPSR register + * Get the current PSTATE register + * @return Returns the value of the PSTATE register */ - virtual u32 GetCPSR() const = 0; + virtual u32 GetPSTATE() const = 0; /** - * Set the current CPSR register - * @param cpsr Value to set CPSR to + * Set the current PSTATE register + * @param pstate Value to set PSTATE to */ - virtual void SetCPSR(u32 cpsr) = 0; + virtual void SetPSTATE(u32 pstate) = 0; virtual VAddr GetTlsAddress() const = 0; virtual void SetTlsAddress(VAddr address) = 0; + /** + * Gets the value within the TPIDR_EL0 (read/write software thread ID) register. + * + * @return the value within the register. + */ virtual u64 GetTPIDR_EL0() const = 0; + /** + * Sets a new value within the TPIDR_EL0 (read/write software thread ID) register. + * + * @param value The new value to place in the register. + */ virtual void SetTPIDR_EL0(u64 value) = 0; /** @@ -119,6 +127,7 @@ public: */ virtual void LoadContext(const ThreadContext& ctx) = 0; + /// Clears the exclusive monitor's state. virtual void ClearExclusiveState() = 0; /// Prepare core for thread reschedule (if needed to correctly handle state) diff --git a/src/core/arm/dynarmic/arm_dynarmic.cpp b/src/core/arm/dynarmic/arm_dynarmic.cpp index b47f04988..3f072c51f 100644 --- a/src/core/arm/dynarmic/arm_dynarmic.cpp +++ b/src/core/arm/dynarmic/arm_dynarmic.cpp @@ -58,7 +58,7 @@ public: Memory::Write64(vaddr + 8, value[1]); } - void InterpreterFallback(u64 pc, size_t num_instructions) override { + void InterpreterFallback(u64 pc, std::size_t num_instructions) override { LOG_INFO(Core_ARM, "Unicorn fallback @ 0x{:X} for {} instructions (instr = {:08X})", pc, num_instructions, MemoryReadCode(pc)); @@ -81,7 +81,7 @@ public: return; default: ASSERT_MSG(false, "ExceptionRaised(exception = {}, pc = {:X})", - static_cast<size_t>(exception), pc); + static_cast<std::size_t>(exception), pc); } } @@ -110,7 +110,7 @@ public: } ARM_Dynarmic& parent; - size_t num_interpreted_instructions = 0; + std::size_t num_interpreted_instructions = 0; u64 tpidrro_el0 = 0; u64 tpidr_el0 = 0; }; @@ -157,7 +157,8 @@ void ARM_Dynarmic::Step() { cb->InterpreterFallback(jit->GetPC(), 1); } -ARM_Dynarmic::ARM_Dynarmic(std::shared_ptr<ExclusiveMonitor> exclusive_monitor, size_t core_index) +ARM_Dynarmic::ARM_Dynarmic(std::shared_ptr<ExclusiveMonitor> exclusive_monitor, + std::size_t core_index) : cb(std::make_unique<ARM_Dynarmic_Callbacks>(*this)), core_index{core_index}, exclusive_monitor{std::dynamic_pointer_cast<DynarmicExclusiveMonitor>(exclusive_monitor)} { ThreadContext ctx; @@ -168,12 +169,12 @@ ARM_Dynarmic::ARM_Dynarmic(std::shared_ptr<ExclusiveMonitor> exclusive_monitor, ARM_Dynarmic::~ARM_Dynarmic() = default; -void ARM_Dynarmic::MapBackingMemory(u64 address, size_t size, u8* memory, +void ARM_Dynarmic::MapBackingMemory(u64 address, std::size_t size, u8* memory, Kernel::VMAPermission perms) { inner_unicorn.MapBackingMemory(address, size, memory, perms); } -void ARM_Dynarmic::UnmapMemory(u64 address, size_t size) { +void ARM_Dynarmic::UnmapMemory(u64 address, std::size_t size) { inner_unicorn.UnmapMemory(address, size); } @@ -193,29 +194,20 @@ void ARM_Dynarmic::SetReg(int index, u64 value) { jit->SetRegister(index, value); } -u128 ARM_Dynarmic::GetExtReg(int index) const { +u128 ARM_Dynarmic::GetVectorReg(int index) const { return jit->GetVector(index); } -void ARM_Dynarmic::SetExtReg(int index, u128 value) { +void ARM_Dynarmic::SetVectorReg(int index, u128 value) { jit->SetVector(index, value); } -u32 ARM_Dynarmic::GetVFPReg(int /*index*/) const { - UNIMPLEMENTED(); - return {}; -} - -void ARM_Dynarmic::SetVFPReg(int /*index*/, u32 /*value*/) { - UNIMPLEMENTED(); -} - -u32 ARM_Dynarmic::GetCPSR() const { +u32 ARM_Dynarmic::GetPSTATE() const { return jit->GetPstate(); } -void ARM_Dynarmic::SetCPSR(u32 cpsr) { - jit->SetPstate(cpsr); +void ARM_Dynarmic::SetPSTATE(u32 pstate) { + jit->SetPstate(pstate); } u64 ARM_Dynarmic::GetTlsAddress() const { @@ -238,18 +230,18 @@ void ARM_Dynarmic::SaveContext(ThreadContext& ctx) { ctx.cpu_registers = jit->GetRegisters(); ctx.sp = jit->GetSP(); ctx.pc = jit->GetPC(); - ctx.cpsr = jit->GetPstate(); - ctx.fpu_registers = jit->GetVectors(); - ctx.fpscr = jit->GetFpcr(); + ctx.pstate = jit->GetPstate(); + ctx.vector_registers = jit->GetVectors(); + ctx.fpcr = jit->GetFpcr(); } void ARM_Dynarmic::LoadContext(const ThreadContext& ctx) { jit->SetRegisters(ctx.cpu_registers); jit->SetSP(ctx.sp); jit->SetPC(ctx.pc); - jit->SetPstate(static_cast<u32>(ctx.cpsr)); - jit->SetVectors(ctx.fpu_registers); - jit->SetFpcr(static_cast<u32>(ctx.fpscr)); + jit->SetPstate(static_cast<u32>(ctx.pstate)); + jit->SetVectors(ctx.vector_registers); + jit->SetFpcr(static_cast<u32>(ctx.fpcr)); } void ARM_Dynarmic::PrepareReschedule() { @@ -269,10 +261,10 @@ void ARM_Dynarmic::PageTableChanged() { current_page_table = Memory::GetCurrentPageTable(); } -DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(size_t core_count) : monitor(core_count) {} +DynarmicExclusiveMonitor::DynarmicExclusiveMonitor(std::size_t core_count) : monitor(core_count) {} DynarmicExclusiveMonitor::~DynarmicExclusiveMonitor() = default; -void DynarmicExclusiveMonitor::SetExclusive(size_t core_index, VAddr addr) { +void DynarmicExclusiveMonitor::SetExclusive(std::size_t core_index, VAddr addr) { // Size doesn't actually matter. monitor.Mark(core_index, addr, 16); } @@ -281,30 +273,30 @@ void DynarmicExclusiveMonitor::ClearExclusive() { monitor.Clear(); } -bool DynarmicExclusiveMonitor::ExclusiveWrite8(size_t core_index, VAddr vaddr, u8 value) { +bool DynarmicExclusiveMonitor::ExclusiveWrite8(std::size_t core_index, VAddr vaddr, u8 value) { return monitor.DoExclusiveOperation(core_index, vaddr, 1, [&] { Memory::Write8(vaddr, value); }); } -bool DynarmicExclusiveMonitor::ExclusiveWrite16(size_t core_index, VAddr vaddr, u16 value) { +bool DynarmicExclusiveMonitor::ExclusiveWrite16(std::size_t core_index, VAddr vaddr, u16 value) { return monitor.DoExclusiveOperation(core_index, vaddr, 2, [&] { Memory::Write16(vaddr, value); }); } -bool DynarmicExclusiveMonitor::ExclusiveWrite32(size_t core_index, VAddr vaddr, u32 value) { +bool DynarmicExclusiveMonitor::ExclusiveWrite32(std::size_t core_index, VAddr vaddr, u32 value) { return monitor.DoExclusiveOperation(core_index, vaddr, 4, [&] { Memory::Write32(vaddr, value); }); } -bool DynarmicExclusiveMonitor::ExclusiveWrite64(size_t core_index, VAddr vaddr, u64 value) { +bool DynarmicExclusiveMonitor::ExclusiveWrite64(std::size_t core_index, VAddr vaddr, u64 value) { return monitor.DoExclusiveOperation(core_index, vaddr, 8, [&] { Memory::Write64(vaddr, value); }); } -bool DynarmicExclusiveMonitor::ExclusiveWrite128(size_t core_index, VAddr vaddr, u128 value) { +bool DynarmicExclusiveMonitor::ExclusiveWrite128(std::size_t core_index, VAddr vaddr, u128 value) { return monitor.DoExclusiveOperation(core_index, vaddr, 16, [&] { - Memory::Write64(vaddr, value[0]); - Memory::Write64(vaddr, value[1]); + Memory::Write64(vaddr + 0, value[0]); + Memory::Write64(vaddr + 8, value[1]); }); } diff --git a/src/core/arm/dynarmic/arm_dynarmic.h b/src/core/arm/dynarmic/arm_dynarmic.h index 3bdfd8cd9..e61382d3d 100644 --- a/src/core/arm/dynarmic/arm_dynarmic.h +++ b/src/core/arm/dynarmic/arm_dynarmic.h @@ -19,24 +19,22 @@ class DynarmicExclusiveMonitor; class ARM_Dynarmic final : public ARM_Interface { public: - ARM_Dynarmic(std::shared_ptr<ExclusiveMonitor> exclusive_monitor, size_t core_index); + ARM_Dynarmic(std::shared_ptr<ExclusiveMonitor> exclusive_monitor, std::size_t core_index); ~ARM_Dynarmic(); - void MapBackingMemory(VAddr address, size_t size, u8* memory, + void MapBackingMemory(VAddr address, std::size_t size, u8* memory, Kernel::VMAPermission perms) override; - void UnmapMemory(u64 address, size_t size) override; + void UnmapMemory(u64 address, std::size_t size) override; void SetPC(u64 pc) override; u64 GetPC() const override; u64 GetReg(int index) const override; void SetReg(int index, u64 value) override; - u128 GetExtReg(int index) const override; - void SetExtReg(int index, u128 value) override; - u32 GetVFPReg(int index) const override; - void SetVFPReg(int index, u32 value) override; - u32 GetCPSR() const override; + u128 GetVectorReg(int index) const override; + void SetVectorReg(int index, u128 value) override; + u32 GetPSTATE() const override; + void SetPSTATE(u32 pstate) override; void Run() override; void Step() override; - void SetCPSR(u32 cpsr) override; VAddr GetTlsAddress() const override; void SetTlsAddress(VAddr address) override; void SetTPIDR_EL0(u64 value) override; @@ -59,7 +57,7 @@ private: std::unique_ptr<Dynarmic::A64::Jit> jit; ARM_Unicorn inner_unicorn; - size_t core_index; + std::size_t core_index; std::shared_ptr<DynarmicExclusiveMonitor> exclusive_monitor; Memory::PageTable* current_page_table = nullptr; @@ -67,17 +65,17 @@ private: class DynarmicExclusiveMonitor final : public ExclusiveMonitor { public: - explicit DynarmicExclusiveMonitor(size_t core_count); + explicit DynarmicExclusiveMonitor(std::size_t core_count); ~DynarmicExclusiveMonitor(); - void SetExclusive(size_t core_index, VAddr addr) override; + void SetExclusive(std::size_t core_index, VAddr addr) override; void ClearExclusive() override; - bool ExclusiveWrite8(size_t core_index, VAddr vaddr, u8 value) override; - bool ExclusiveWrite16(size_t core_index, VAddr vaddr, u16 value) override; - bool ExclusiveWrite32(size_t core_index, VAddr vaddr, u32 value) override; - bool ExclusiveWrite64(size_t core_index, VAddr vaddr, u64 value) override; - bool ExclusiveWrite128(size_t core_index, VAddr vaddr, u128 value) override; + bool ExclusiveWrite8(std::size_t core_index, VAddr vaddr, u8 value) override; + bool ExclusiveWrite16(std::size_t core_index, VAddr vaddr, u16 value) override; + bool ExclusiveWrite32(std::size_t core_index, VAddr vaddr, u32 value) override; + bool ExclusiveWrite64(std::size_t core_index, VAddr vaddr, u64 value) override; + bool ExclusiveWrite128(std::size_t core_index, VAddr vaddr, u128 value) override; private: friend class ARM_Dynarmic; diff --git a/src/core/arm/exclusive_monitor.h b/src/core/arm/exclusive_monitor.h index 6f9b51573..f59aca667 100644 --- a/src/core/arm/exclusive_monitor.h +++ b/src/core/arm/exclusive_monitor.h @@ -12,14 +12,14 @@ class ExclusiveMonitor { public: virtual ~ExclusiveMonitor(); - virtual void SetExclusive(size_t core_index, VAddr addr) = 0; + virtual void SetExclusive(std::size_t core_index, VAddr addr) = 0; virtual void ClearExclusive() = 0; - virtual bool ExclusiveWrite8(size_t core_index, VAddr vaddr, u8 value) = 0; - virtual bool ExclusiveWrite16(size_t core_index, VAddr vaddr, u16 value) = 0; - virtual bool ExclusiveWrite32(size_t core_index, VAddr vaddr, u32 value) = 0; - virtual bool ExclusiveWrite64(size_t core_index, VAddr vaddr, u64 value) = 0; - virtual bool ExclusiveWrite128(size_t core_index, VAddr vaddr, u128 value) = 0; + virtual bool ExclusiveWrite8(std::size_t core_index, VAddr vaddr, u8 value) = 0; + virtual bool ExclusiveWrite16(std::size_t core_index, VAddr vaddr, u16 value) = 0; + virtual bool ExclusiveWrite32(std::size_t core_index, VAddr vaddr, u32 value) = 0; + virtual bool ExclusiveWrite64(std::size_t core_index, VAddr vaddr, u64 value) = 0; + virtual bool ExclusiveWrite128(std::size_t core_index, VAddr vaddr, u128 value) = 0; }; } // namespace Core diff --git a/src/core/arm/unicorn/arm_unicorn.cpp b/src/core/arm/unicorn/arm_unicorn.cpp index 4c4de2623..e218a0b15 100644 --- a/src/core/arm/unicorn/arm_unicorn.cpp +++ b/src/core/arm/unicorn/arm_unicorn.cpp @@ -90,12 +90,12 @@ ARM_Unicorn::~ARM_Unicorn() { CHECKED(uc_close(uc)); } -void ARM_Unicorn::MapBackingMemory(VAddr address, size_t size, u8* memory, +void ARM_Unicorn::MapBackingMemory(VAddr address, std::size_t size, u8* memory, Kernel::VMAPermission perms) { CHECKED(uc_mem_map_ptr(uc, address, size, static_cast<u32>(perms), memory)); } -void ARM_Unicorn::UnmapMemory(VAddr address, size_t size) { +void ARM_Unicorn::UnmapMemory(VAddr address, std::size_t size) { CHECKED(uc_mem_unmap(uc, address, size)); } @@ -131,33 +131,24 @@ void ARM_Unicorn::SetReg(int regn, u64 val) { CHECKED(uc_reg_write(uc, treg, &val)); } -u128 ARM_Unicorn::GetExtReg(int /*index*/) const { +u128 ARM_Unicorn::GetVectorReg(int /*index*/) const { UNIMPLEMENTED(); static constexpr u128 res{}; return res; } -void ARM_Unicorn::SetExtReg(int /*index*/, u128 /*value*/) { +void ARM_Unicorn::SetVectorReg(int /*index*/, u128 /*value*/) { UNIMPLEMENTED(); } -u32 ARM_Unicorn::GetVFPReg(int /*index*/) const { - UNIMPLEMENTED(); - return {}; -} - -void ARM_Unicorn::SetVFPReg(int /*index*/, u32 /*value*/) { - UNIMPLEMENTED(); -} - -u32 ARM_Unicorn::GetCPSR() const { +u32 ARM_Unicorn::GetPSTATE() const { u64 nzcv{}; CHECKED(uc_reg_read(uc, UC_ARM64_REG_NZCV, &nzcv)); return static_cast<u32>(nzcv); } -void ARM_Unicorn::SetCPSR(u32 cpsr) { - u64 nzcv = cpsr; +void ARM_Unicorn::SetPSTATE(u32 pstate) { + u64 nzcv = pstate; CHECKED(uc_reg_write(uc, UC_ARM64_REG_NZCV, &nzcv)); } @@ -219,7 +210,7 @@ void ARM_Unicorn::SaveContext(ThreadContext& ctx) { CHECKED(uc_reg_read(uc, UC_ARM64_REG_SP, &ctx.sp)); CHECKED(uc_reg_read(uc, UC_ARM64_REG_PC, &ctx.pc)); - CHECKED(uc_reg_read(uc, UC_ARM64_REG_NZCV, &ctx.cpsr)); + CHECKED(uc_reg_read(uc, UC_ARM64_REG_NZCV, &ctx.pstate)); for (auto i = 0; i < 29; ++i) { uregs[i] = UC_ARM64_REG_X0 + i; @@ -234,7 +225,7 @@ void ARM_Unicorn::SaveContext(ThreadContext& ctx) { for (int i = 0; i < 32; ++i) { uregs[i] = UC_ARM64_REG_Q0 + i; - tregs[i] = &ctx.fpu_registers[i]; + tregs[i] = &ctx.vector_registers[i]; } CHECKED(uc_reg_read_batch(uc, uregs, tregs, 32)); @@ -246,7 +237,7 @@ void ARM_Unicorn::LoadContext(const ThreadContext& ctx) { CHECKED(uc_reg_write(uc, UC_ARM64_REG_SP, &ctx.sp)); CHECKED(uc_reg_write(uc, UC_ARM64_REG_PC, &ctx.pc)); - CHECKED(uc_reg_write(uc, UC_ARM64_REG_NZCV, &ctx.cpsr)); + CHECKED(uc_reg_write(uc, UC_ARM64_REG_NZCV, &ctx.pstate)); for (int i = 0; i < 29; ++i) { uregs[i] = UC_ARM64_REG_X0 + i; @@ -261,7 +252,7 @@ void ARM_Unicorn::LoadContext(const ThreadContext& ctx) { for (auto i = 0; i < 32; ++i) { uregs[i] = UC_ARM64_REG_Q0 + i; - tregs[i] = (void*)&ctx.fpu_registers[i]; + tregs[i] = (void*)&ctx.vector_registers[i]; } CHECKED(uc_reg_write_batch(uc, uregs, tregs, 32)); diff --git a/src/core/arm/unicorn/arm_unicorn.h b/src/core/arm/unicorn/arm_unicorn.h index bd6b2f723..75761950b 100644 --- a/src/core/arm/unicorn/arm_unicorn.h +++ b/src/core/arm/unicorn/arm_unicorn.h @@ -15,19 +15,17 @@ class ARM_Unicorn final : public ARM_Interface { public: ARM_Unicorn(); ~ARM_Unicorn(); - void MapBackingMemory(VAddr address, size_t size, u8* memory, + void MapBackingMemory(VAddr address, std::size_t size, u8* memory, Kernel::VMAPermission perms) override; - void UnmapMemory(VAddr address, size_t size) override; + void UnmapMemory(VAddr address, std::size_t size) override; void SetPC(u64 pc) override; u64 GetPC() const override; u64 GetReg(int index) const override; void SetReg(int index, u64 value) override; - u128 GetExtReg(int index) const override; - void SetExtReg(int index, u128 value) override; - u32 GetVFPReg(int index) const override; - void SetVFPReg(int index, u32 value) override; - u32 GetCPSR() const override; - void SetCPSR(u32 cpsr) override; + u128 GetVectorReg(int index) const override; + void SetVectorReg(int index, u128 value) override; + u32 GetPSTATE() const override; + void SetPSTATE(u32 pstate) override; VAddr GetTlsAddress() const override; void SetTlsAddress(VAddr address) override; void SetTPIDR_EL0(u64 value) override; |