diff options
Diffstat (limited to '')
-rw-r--r-- | src/common/page_table.cpp | 1 | ||||
-rw-r--r-- | src/common/page_table.h | 6 | ||||
-rw-r--r-- | src/core/arm/dynarmic/arm_dynarmic_32.cpp | 28 | ||||
-rw-r--r-- | src/core/arm/dynarmic/arm_dynarmic_64.cpp | 32 | ||||
-rw-r--r-- | src/core/memory.cpp | 43 |
5 files changed, 77 insertions, 33 deletions
diff --git a/src/common/page_table.cpp b/src/common/page_table.cpp index 8fd8620fd..9fffd816f 100644 --- a/src/common/page_table.cpp +++ b/src/common/page_table.cpp @@ -14,6 +14,7 @@ void PageTable::Resize(size_t address_space_width_in_bits, size_t page_size_in_b const size_t num_page_table_entries{1ULL << (address_space_width_in_bits - page_size_in_bits)}; pointers.resize(num_page_table_entries); backing_addr.resize(num_page_table_entries); + current_address_space_width_in_bits = address_space_width_in_bits; } } // namespace Common diff --git a/src/common/page_table.h b/src/common/page_table.h index 61c5552e0..e92b66b2b 100644 --- a/src/common/page_table.h +++ b/src/common/page_table.h @@ -98,6 +98,10 @@ struct PageTable { */ void Resize(size_t address_space_width_in_bits, size_t page_size_in_bits); + size_t GetAddressSpaceBits() const { + return current_address_space_width_in_bits; + } + /** * Vector of memory pointers backing each page. An entry can only be non-null if the * corresponding attribute element is of type `Memory`. @@ -105,6 +109,8 @@ struct PageTable { VirtualBuffer<PageInfo> pointers; VirtualBuffer<u64> backing_addr; + + size_t current_address_space_width_in_bits; }; } // namespace Common diff --git a/src/core/arm/dynarmic/arm_dynarmic_32.cpp b/src/core/arm/dynarmic/arm_dynarmic_32.cpp index e5b78210a..cea7f0fb1 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_32.cpp +++ b/src/core/arm/dynarmic/arm_dynarmic_32.cpp @@ -24,45 +24,46 @@ namespace Core { class DynarmicCallbacks32 : public Dynarmic::A32::UserCallbacks { public: - explicit DynarmicCallbacks32(ARM_Dynarmic_32& parent_) : parent{parent_} {} + explicit DynarmicCallbacks32(ARM_Dynarmic_32& parent_) + : parent{parent_}, memory(parent.system.Memory()) {} u8 MemoryRead8(u32 vaddr) override { - return parent.system.Memory().Read8(vaddr); + return memory.Read8(vaddr); } u16 MemoryRead16(u32 vaddr) override { - return parent.system.Memory().Read16(vaddr); + return memory.Read16(vaddr); } u32 MemoryRead32(u32 vaddr) override { - return parent.system.Memory().Read32(vaddr); + return memory.Read32(vaddr); } u64 MemoryRead64(u32 vaddr) override { - return parent.system.Memory().Read64(vaddr); + return memory.Read64(vaddr); } void MemoryWrite8(u32 vaddr, u8 value) override { - parent.system.Memory().Write8(vaddr, value); + memory.Write8(vaddr, value); } void MemoryWrite16(u32 vaddr, u16 value) override { - parent.system.Memory().Write16(vaddr, value); + memory.Write16(vaddr, value); } void MemoryWrite32(u32 vaddr, u32 value) override { - parent.system.Memory().Write32(vaddr, value); + memory.Write32(vaddr, value); } void MemoryWrite64(u32 vaddr, u64 value) override { - parent.system.Memory().Write64(vaddr, value); + memory.Write64(vaddr, value); } bool MemoryWriteExclusive8(u32 vaddr, u8 value, u8 expected) override { - return parent.system.Memory().WriteExclusive8(vaddr, value, expected); + return memory.WriteExclusive8(vaddr, value, expected); } bool MemoryWriteExclusive16(u32 vaddr, u16 value, u16 expected) override { - return parent.system.Memory().WriteExclusive16(vaddr, value, expected); + return memory.WriteExclusive16(vaddr, value, expected); } bool MemoryWriteExclusive32(u32 vaddr, u32 value, u32 expected) override { - return parent.system.Memory().WriteExclusive32(vaddr, value, expected); + return memory.WriteExclusive32(vaddr, value, expected); } bool MemoryWriteExclusive64(u32 vaddr, u64 value, u64 expected) override { - return parent.system.Memory().WriteExclusive64(vaddr, value, expected); + return memory.WriteExclusive64(vaddr, value, expected); } void InterpreterFallback(u32 pc, std::size_t num_instructions) override { @@ -112,6 +113,7 @@ public: } ARM_Dynarmic_32& parent; + Core::Memory::Memory& memory; std::size_t num_interpreted_instructions{}; static constexpr u64 minimum_run_cycles = 1000U; }; diff --git a/src/core/arm/dynarmic/arm_dynarmic_64.cpp b/src/core/arm/dynarmic/arm_dynarmic_64.cpp index dd439f55e..63193dcb1 100644 --- a/src/core/arm/dynarmic/arm_dynarmic_64.cpp +++ b/src/core/arm/dynarmic/arm_dynarmic_64.cpp @@ -27,57 +27,56 @@ using Vector = Dynarmic::A64::Vector; class DynarmicCallbacks64 : public Dynarmic::A64::UserCallbacks { public: - explicit DynarmicCallbacks64(ARM_Dynarmic_64& parent_) : parent{parent_} {} + explicit DynarmicCallbacks64(ARM_Dynarmic_64& parent_) + : parent{parent_}, memory(parent.system.Memory()) {} u8 MemoryRead8(u64 vaddr) override { - return parent.system.Memory().Read8(vaddr); + return memory.Read8(vaddr); } u16 MemoryRead16(u64 vaddr) override { - return parent.system.Memory().Read16(vaddr); + return memory.Read16(vaddr); } u32 MemoryRead32(u64 vaddr) override { - return parent.system.Memory().Read32(vaddr); + return memory.Read32(vaddr); } u64 MemoryRead64(u64 vaddr) override { - return parent.system.Memory().Read64(vaddr); + return memory.Read64(vaddr); } Vector MemoryRead128(u64 vaddr) override { - auto& memory = parent.system.Memory(); return {memory.Read64(vaddr), memory.Read64(vaddr + 8)}; } void MemoryWrite8(u64 vaddr, u8 value) override { - parent.system.Memory().Write8(vaddr, value); + memory.Write8(vaddr, value); } void MemoryWrite16(u64 vaddr, u16 value) override { - parent.system.Memory().Write16(vaddr, value); + memory.Write16(vaddr, value); } void MemoryWrite32(u64 vaddr, u32 value) override { - parent.system.Memory().Write32(vaddr, value); + memory.Write32(vaddr, value); } void MemoryWrite64(u64 vaddr, u64 value) override { - parent.system.Memory().Write64(vaddr, value); + memory.Write64(vaddr, value); } void MemoryWrite128(u64 vaddr, Vector value) override { - auto& memory = parent.system.Memory(); memory.Write64(vaddr, value[0]); memory.Write64(vaddr + 8, value[1]); } bool MemoryWriteExclusive8(u64 vaddr, std::uint8_t value, std::uint8_t expected) override { - return parent.system.Memory().WriteExclusive8(vaddr, value, expected); + return memory.WriteExclusive8(vaddr, value, expected); } bool MemoryWriteExclusive16(u64 vaddr, std::uint16_t value, std::uint16_t expected) override { - return parent.system.Memory().WriteExclusive16(vaddr, value, expected); + return memory.WriteExclusive16(vaddr, value, expected); } bool MemoryWriteExclusive32(u64 vaddr, std::uint32_t value, std::uint32_t expected) override { - return parent.system.Memory().WriteExclusive32(vaddr, value, expected); + return memory.WriteExclusive32(vaddr, value, expected); } bool MemoryWriteExclusive64(u64 vaddr, std::uint64_t value, std::uint64_t expected) override { - return parent.system.Memory().WriteExclusive64(vaddr, value, expected); + return memory.WriteExclusive64(vaddr, value, expected); } bool MemoryWriteExclusive128(u64 vaddr, Vector value, Vector expected) override { - return parent.system.Memory().WriteExclusive128(vaddr, value, expected); + return memory.WriteExclusive128(vaddr, value, expected); } void InterpreterFallback(u64 pc, std::size_t num_instructions) override { @@ -139,6 +138,7 @@ public: } ARM_Dynarmic_64& parent; + Core::Memory::Memory& memory; u64 tpidrro_el0 = 0; u64 tpidr_el0 = 0; static constexpr u64 minimum_run_cycles = 1000U; diff --git a/src/core/memory.cpp b/src/core/memory.cpp index bf2ef7816..9857278f6 100644 --- a/src/core/memory.cpp +++ b/src/core/memory.cpp @@ -591,7 +591,15 @@ struct Memory::Impl { * @returns The instance of T read from the specified virtual address. */ template <typename T> - T Read(const VAddr vaddr) { + T Read(VAddr vaddr) { + // AARCH64 masks the upper 16 bit of all memory accesses + vaddr &= 0xffffffffffffLL; + + if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { + LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr); + return 0; + } + // Avoid adding any extra logic to this fast-path block const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); if (const u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { @@ -629,7 +637,16 @@ struct Memory::Impl { * is undefined. */ template <typename T> - void Write(const VAddr vaddr, const T data) { + void Write(VAddr vaddr, const T data) { + // AARCH64 masks the upper 16 bit of all memory accesses + vaddr &= 0xffffffffffffLL; + + if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { + LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, + static_cast<u32>(data), vaddr); + return; + } + // Avoid adding any extra logic to this fast-path block const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { @@ -656,7 +673,16 @@ struct Memory::Impl { } template <typename T> - bool WriteExclusive(const VAddr vaddr, const T data, const T expected) { + bool WriteExclusive(VAddr vaddr, const T data, const T expected) { + // AARCH64 masks the upper 16 bit of all memory accesses + vaddr &= 0xffffffffffffLL; + + if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { + LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, + static_cast<u32>(data), vaddr); + return true; + } + const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { // NOTE: Avoid adding any extra logic to this fast-path block @@ -683,7 +709,16 @@ struct Memory::Impl { return true; } - bool WriteExclusive128(const VAddr vaddr, const u128 data, const u128 expected) { + bool WriteExclusive128(VAddr vaddr, const u128 data, const u128 expected) { + // AARCH64 masks the upper 16 bit of all memory accesses + vaddr &= 0xffffffffffffLL; + + if (vaddr >= 1uLL << current_page_table->GetAddressSpaceBits()) { + LOG_ERROR(HW_Memory, "Unmapped Write{} 0x{:08X} @ 0x{:016X}", sizeof(data) * 8, + static_cast<u32>(data[0]), vaddr); + return true; + } + const uintptr_t raw_pointer = current_page_table->pointers[vaddr >> PAGE_BITS].Raw(); if (u8* const pointer = Common::PageTable::PageInfo::ExtractPointer(raw_pointer)) { // NOTE: Avoid adding any extra logic to this fast-path block |