diff options
Diffstat (limited to '')
| -rw-r--r-- | src/core/memory.h | 125 |
1 files changed, 65 insertions, 60 deletions
diff --git a/src/core/memory.h b/src/core/memory.h index 2eb61ffd3..13047a545 100644 --- a/src/core/memory.h +++ b/src/core/memory.h @@ -509,9 +509,9 @@ class GuestMemory { public: GuestMemory() = delete; - explicit GuestMemory(M& memory_, u64 addr_, std::size_t size_, + explicit GuestMemory(M& memory, u64 addr, std::size_t size, Common::ScratchBuffer<T>* backup = nullptr) - : memory{memory_}, addr{addr_}, size{size_} { + : m_memory{memory}, m_addr{addr}, m_size{size} { static_assert(FLAGS & GuestMemoryFlags::Read || FLAGS & GuestMemoryFlags::Write); if constexpr (FLAGS & GuestMemoryFlags::Read) { Read(addr, size, backup); @@ -521,89 +521,97 @@ public: ~GuestMemory() = default; T* data() noexcept { - return data_span.data(); + return m_data_span.data(); } const T* data() const noexcept { - return data_span.data(); + return m_data_span.data(); + } + + size_t size() const noexcept { + return m_size; + } + + size_t size_bytes() const noexcept { + return this->size() * sizeof(T); } [[nodiscard]] T* begin() noexcept { - return data(); + return this->data(); } [[nodiscard]] const T* begin() const noexcept { - return data(); + return this->data(); } [[nodiscard]] T* end() noexcept { - return data() + size; + return this->data() + this->size(); } [[nodiscard]] const T* end() const noexcept { - return data() + size; + return this->data() + this->size(); } T& operator[](size_t index) noexcept { - return data_span[index]; + return m_data_span[index]; } const T& operator[](size_t index) const noexcept { - return data_span[index]; + return m_data_span[index]; } - void SetAddressAndSize(u64 addr_, std::size_t size_) noexcept { - addr = addr_; - size = size_; - addr_changed = true; + void SetAddressAndSize(u64 addr, std::size_t size) noexcept { + m_addr = addr; + m_size = size; + m_addr_changed = true; } - std::span<T> Read(u64 addr_, std::size_t size_, + std::span<T> Read(u64 addr, std::size_t size, Common::ScratchBuffer<T>* backup = nullptr) noexcept { - addr = addr_; - size = size_; - if (size == 0) { - is_data_copy = true; + m_addr = addr; + m_size = size; + if (m_size == 0) { + m_is_data_copy = true; return {}; } - if (TrySetSpan()) { + if (this->TrySetSpan()) { if constexpr (FLAGS & GuestMemoryFlags::Safe) { - memory.FlushRegion(addr, size * sizeof(T)); + m_memory.FlushRegion(m_addr, this->size_bytes()); } } else { if (backup) { - backup->resize_destructive(size); - data_span = *backup; + backup->resize_destructive(this->size()); + m_data_span = *backup; } else { - data_copy.resize(size); - data_span = std::span(data_copy); + m_data_copy.resize(this->size()); + m_data_span = std::span(m_data_copy); } - is_data_copy = true; - span_valid = true; + m_is_data_copy = true; + m_span_valid = true; if constexpr (FLAGS & GuestMemoryFlags::Safe) { - memory.ReadBlock(addr, data_span.data(), size * sizeof(T)); + m_memory.ReadBlock(m_addr, this->data(), this->size_bytes()); } else { - memory.ReadBlockUnsafe(addr, data_span.data(), size * sizeof(T)); + m_memory.ReadBlockUnsafe(m_addr, this->data(), this->size_bytes()); } } - return data_span; + return m_data_span; } void Write(std::span<T> write_data) noexcept { if constexpr (FLAGS & GuestMemoryFlags::Cached) { - memory.WriteBlockCached(addr, write_data.data(), size * sizeof(T)); + m_memory.WriteBlockCached(m_addr, write_data.data(), this->size_bytes()); } else if constexpr (FLAGS & GuestMemoryFlags::Safe) { - memory.WriteBlock(addr, write_data.data(), size * sizeof(T)); + m_memory.WriteBlock(m_addr, write_data.data(), this->size_bytes()); } else { - memory.WriteBlockUnsafe(addr, write_data.data(), size * sizeof(T)); + m_memory.WriteBlockUnsafe(m_addr, write_data.data(), this->size_bytes()); } } bool TrySetSpan() noexcept { - if (u8* ptr = memory.GetSpan(addr, size * sizeof(T)); ptr) { - data_span = {reinterpret_cast<T*>(ptr), size}; - span_valid = true; + if (u8* ptr = m_memory.GetSpan(m_addr, this->size_bytes()); ptr) { + m_data_span = {reinterpret_cast<T*>(ptr), this->size()}; + m_span_valid = true; return true; } return false; @@ -611,36 +619,36 @@ public: protected: bool IsDataCopy() const noexcept { - return is_data_copy; + return m_is_data_copy; } bool AddressChanged() const noexcept { - return addr_changed; + return m_addr_changed; } - M& memory; - u64 addr; - size_t size; - std::span<T> data_span{}; - std::vector<T> data_copy; - bool span_valid{false}; - bool is_data_copy{false}; - bool addr_changed{false}; + M& m_memory; + u64 m_addr{}; + size_t m_size{}; + std::span<T> m_data_span{}; + std::vector<T> m_data_copy{}; + bool m_span_valid{false}; + bool m_is_data_copy{false}; + bool m_addr_changed{false}; }; template <typename M, typename T, GuestMemoryFlags FLAGS> class GuestMemoryScoped : public GuestMemory<M, T, FLAGS> { public: GuestMemoryScoped() = delete; - explicit GuestMemoryScoped(M& memory_, u64 addr_, std::size_t size_, + explicit GuestMemoryScoped(M& memory, u64 addr, std::size_t size, Common::ScratchBuffer<T>* backup = nullptr) - : GuestMemory<M, T, FLAGS>(memory_, addr_, size_, backup) { + : GuestMemory<M, T, FLAGS>(memory, addr, size, backup) { if constexpr (!(FLAGS & GuestMemoryFlags::Read)) { if (!this->TrySetSpan()) { if (backup) { - this->data_span = *backup; - this->span_valid = true; - this->is_data_copy = true; + this->m_data_span = *backup; + this->m_span_valid = true; + this->m_is_data_copy = true; } } } @@ -648,24 +656,21 @@ public: ~GuestMemoryScoped() { if constexpr (FLAGS & GuestMemoryFlags::Write) { - if (this->size == 0) [[unlikely]] { + if (this->size() == 0) [[unlikely]] { return; } if (this->AddressChanged() || this->IsDataCopy()) { - ASSERT(this->span_valid); + ASSERT(this->m_span_valid); if constexpr (FLAGS & GuestMemoryFlags::Cached) { - this->memory.WriteBlockCached(this->addr, this->data_span.data(), - this->size * sizeof(T)); + this->m_memory.WriteBlockCached(this->m_addr, this->data(), this->size_bytes()); } else if constexpr (FLAGS & GuestMemoryFlags::Safe) { - this->memory.WriteBlock(this->addr, this->data_span.data(), - this->size * sizeof(T)); + this->m_memory.WriteBlock(this->m_addr, this->data(), this->size_bytes()); } else { - this->memory.WriteBlockUnsafe(this->addr, this->data_span.data(), - this->size * sizeof(T)); + this->m_memory.WriteBlockUnsafe(this->m_addr, this->data(), this->size_bytes()); } } else if constexpr (FLAGS & GuestMemoryFlags::Safe) { - this->memory.InvalidateRegion(this->addr, this->size * sizeof(T)); + this->m_memory.InvalidateRegion(this->m_addr, this->size_bytes()); } } } |