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-rw-r--r--src/core/arm/arm_interface.cpp24
-rw-r--r--src/core/arm/dynarmic/arm_dynarmic.cpp12
-rw-r--r--src/core/gdbstub/gdbstub.cpp8
-rw-r--r--src/core/hle/kernel/address_arbiter.cpp28
-rw-r--r--src/core/hle/kernel/hle_ipc.cpp12
-rw-r--r--src/core/hle/kernel/mutex.cpp2
-rw-r--r--src/core/hle/kernel/svc.cpp16
-rw-r--r--src/core/hle/service/audio/audout_u.cpp6
-rw-r--r--src/core/hle/service/ldr/ldr.cpp5
-rw-r--r--src/core/hle/service/lm/lm.cpp10
-rw-r--r--src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp4
-rw-r--r--src/core/memory.cpp228
-rw-r--r--src/core/memory.h85
-rw-r--r--src/core/memory/cheat_engine.cpp5
-rw-r--r--src/core/memory/cheat_engine.h4
-rw-r--r--src/core/reporter.cpp2
-rw-r--r--src/core/tools/freezer.cpp8
17 files changed, 292 insertions, 167 deletions
diff --git a/src/core/arm/arm_interface.cpp b/src/core/arm/arm_interface.cpp
index dea192869..7e846ddd5 100644
--- a/src/core/arm/arm_interface.cpp
+++ b/src/core/arm/arm_interface.cpp
@@ -60,15 +60,15 @@ static_assert(sizeof(ELFSymbol) == 0x18, "ELFSymbol has incorrect size.");
using Symbols = std::vector<std::pair<ELFSymbol, std::string>>;
-Symbols GetSymbols(VAddr text_offset) {
- const auto mod_offset = text_offset + Memory::Read32(text_offset + 4);
+Symbols GetSymbols(VAddr text_offset, Memory::Memory& memory) {
+ const auto mod_offset = text_offset + memory.Read32(text_offset + 4);
if (mod_offset < text_offset || (mod_offset & 0b11) != 0 ||
- Memory::Read32(mod_offset) != Common::MakeMagic('M', 'O', 'D', '0')) {
+ memory.Read32(mod_offset) != Common::MakeMagic('M', 'O', 'D', '0')) {
return {};
}
- const auto dynamic_offset = Memory::Read32(mod_offset + 0x4) + mod_offset;
+ const auto dynamic_offset = memory.Read32(mod_offset + 0x4) + mod_offset;
VAddr string_table_offset{};
VAddr symbol_table_offset{};
@@ -76,8 +76,8 @@ Symbols GetSymbols(VAddr text_offset) {
VAddr dynamic_index = dynamic_offset;
while (true) {
- const auto tag = Memory::Read64(dynamic_index);
- const auto value = Memory::Read64(dynamic_index + 0x8);
+ const u64 tag = memory.Read64(dynamic_index);
+ const u64 value = memory.Read64(dynamic_index + 0x8);
dynamic_index += 0x10;
if (tag == ELF_DYNAMIC_TAG_NULL) {
@@ -105,11 +105,11 @@ Symbols GetSymbols(VAddr text_offset) {
VAddr symbol_index = symbol_table_address;
while (symbol_index < string_table_address) {
ELFSymbol symbol{};
- Memory::ReadBlock(symbol_index, &symbol, sizeof(ELFSymbol));
+ memory.ReadBlock(symbol_index, &symbol, sizeof(ELFSymbol));
VAddr string_offset = string_table_address + symbol.name_index;
std::string name;
- for (u8 c = Memory::Read8(string_offset); c != 0; c = Memory::Read8(++string_offset)) {
+ for (u8 c = memory.Read8(string_offset); c != 0; c = memory.Read8(++string_offset)) {
name += static_cast<char>(c);
}
@@ -141,17 +141,17 @@ constexpr u64 SEGMENT_BASE = 0x7100000000ull;
std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const {
std::vector<BacktraceEntry> out;
+ auto& memory = system.Memory();
auto fp = GetReg(29);
auto lr = GetReg(30);
-
while (true) {
out.push_back({"", 0, lr, 0});
if (!fp) {
break;
}
- lr = Memory::Read64(fp + 8) - 4;
- fp = Memory::Read64(fp);
+ lr = memory.Read64(fp + 8) - 4;
+ fp = memory.Read64(fp);
}
std::map<VAddr, std::string> modules;
@@ -162,7 +162,7 @@ std::vector<ARM_Interface::BacktraceEntry> ARM_Interface::GetBacktrace() const {
std::map<std::string, Symbols> symbols;
for (const auto& module : modules) {
- symbols.insert_or_assign(module.second, GetSymbols(module.first));
+ symbols.insert_or_assign(module.second, GetSymbols(module.first, memory));
}
for (auto& entry : out) {
diff --git a/src/core/arm/dynarmic/arm_dynarmic.cpp b/src/core/arm/dynarmic/arm_dynarmic.cpp
index 2b396f1d6..585fb55a9 100644
--- a/src/core/arm/dynarmic/arm_dynarmic.cpp
+++ b/src/core/arm/dynarmic/arm_dynarmic.cpp
@@ -28,20 +28,20 @@ public:
explicit ARM_Dynarmic_Callbacks(ARM_Dynarmic& parent) : parent(parent) {}
u8 MemoryRead8(u64 vaddr) override {
- auto& s = parent.system;
- return Memory::Read8(vaddr);
+ return parent.system.Memory().Read8(vaddr);
}
u16 MemoryRead16(u64 vaddr) override {
- return Memory::Read16(vaddr);
+ return parent.system.Memory().Read16(vaddr);
}
u32 MemoryRead32(u64 vaddr) override {
- return Memory::Read32(vaddr);
+ return parent.system.Memory().Read32(vaddr);
}
u64 MemoryRead64(u64 vaddr) override {
- return Memory::Read64(vaddr);
+ return parent.system.Memory().Read64(vaddr);
}
Vector MemoryRead128(u64 vaddr) override {
- return {Memory::Read64(vaddr), Memory::Read64(vaddr + 8)};
+ auto& memory = parent.system.Memory();
+ return {memory.Read64(vaddr), memory.Read64(vaddr + 8)};
}
void MemoryWrite8(u64 vaddr, u8 value) override {
diff --git a/src/core/gdbstub/gdbstub.cpp b/src/core/gdbstub/gdbstub.cpp
index 78e44f3bd..1c74a44d8 100644
--- a/src/core/gdbstub/gdbstub.cpp
+++ b/src/core/gdbstub/gdbstub.cpp
@@ -969,13 +969,13 @@ static void ReadMemory() {
SendReply("E01");
}
- const auto& memory = Core::System::GetInstance().Memory();
+ auto& memory = Core::System::GetInstance().Memory();
if (!memory.IsValidVirtualAddress(addr)) {
return SendReply("E00");
}
std::vector<u8> data(len);
- Memory::ReadBlock(addr, data.data(), len);
+ memory.ReadBlock(addr, data.data(), len);
MemToGdbHex(reply, data.data(), len);
reply[len * 2] = '\0';
@@ -1057,7 +1057,9 @@ static bool CommitBreakpoint(BreakpointType type, VAddr addr, u64 len) {
breakpoint.active = true;
breakpoint.addr = addr;
breakpoint.len = len;
- Memory::ReadBlock(addr, breakpoint.inst.data(), breakpoint.inst.size());
+
+ auto& memory = Core::System::GetInstance().Memory();
+ memory.ReadBlock(addr, breakpoint.inst.data(), breakpoint.inst.size());
static constexpr std::array<u8, 4> btrap{0x00, 0x7d, 0x20, 0xd4};
if (type == BreakpointType::Execute) {
diff --git a/src/core/hle/kernel/address_arbiter.cpp b/src/core/hle/kernel/address_arbiter.cpp
index 7f9a559d2..07f0dac67 100644
--- a/src/core/hle/kernel/address_arbiter.cpp
+++ b/src/core/hle/kernel/address_arbiter.cpp
@@ -67,12 +67,14 @@ ResultCode AddressArbiter::SignalToAddressOnly(VAddr address, s32 num_to_wake) {
ResultCode AddressArbiter::IncrementAndSignalToAddressIfEqual(VAddr address, s32 value,
s32 num_to_wake) {
+ auto& memory = system.Memory();
+
// Ensure that we can write to the address.
- if (!system.Memory().IsValidVirtualAddress(address)) {
+ if (!memory.IsValidVirtualAddress(address)) {
return ERR_INVALID_ADDRESS_STATE;
}
- if (static_cast<s32>(Memory::Read32(address)) != value) {
+ if (static_cast<s32>(memory.Read32(address)) != value) {
return ERR_INVALID_STATE;
}
@@ -82,8 +84,10 @@ ResultCode AddressArbiter::IncrementAndSignalToAddressIfEqual(VAddr address, s32
ResultCode AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr address, s32 value,
s32 num_to_wake) {
+ auto& memory = system.Memory();
+
// Ensure that we can write to the address.
- if (!system.Memory().IsValidVirtualAddress(address)) {
+ if (!memory.IsValidVirtualAddress(address)) {
return ERR_INVALID_ADDRESS_STATE;
}
@@ -109,7 +113,7 @@ ResultCode AddressArbiter::ModifyByWaitingCountAndSignalToAddressIfEqual(VAddr a
}
}
- if (static_cast<s32>(Memory::Read32(address)) != value) {
+ if (static_cast<s32>(memory.Read32(address)) != value) {
return ERR_INVALID_STATE;
}
@@ -134,12 +138,14 @@ ResultCode AddressArbiter::WaitForAddress(VAddr address, ArbitrationType type, s
ResultCode AddressArbiter::WaitForAddressIfLessThan(VAddr address, s32 value, s64 timeout,
bool should_decrement) {
+ auto& memory = system.Memory();
+
// Ensure that we can read the address.
- if (!system.Memory().IsValidVirtualAddress(address)) {
+ if (!memory.IsValidVirtualAddress(address)) {
return ERR_INVALID_ADDRESS_STATE;
}
- const s32 cur_value = static_cast<s32>(Memory::Read32(address));
+ const s32 cur_value = static_cast<s32>(memory.Read32(address));
if (cur_value >= value) {
return ERR_INVALID_STATE;
}
@@ -157,15 +163,19 @@ ResultCode AddressArbiter::WaitForAddressIfLessThan(VAddr address, s32 value, s6
}
ResultCode AddressArbiter::WaitForAddressIfEqual(VAddr address, s32 value, s64 timeout) {
+ auto& memory = system.Memory();
+
// Ensure that we can read the address.
- if (!system.Memory().IsValidVirtualAddress(address)) {
+ if (!memory.IsValidVirtualAddress(address)) {
return ERR_INVALID_ADDRESS_STATE;
}
+
// Only wait for the address if equal.
- if (static_cast<s32>(Memory::Read32(address)) != value) {
+ if (static_cast<s32>(memory.Read32(address)) != value) {
return ERR_INVALID_STATE;
}
- // Short-circuit without rescheduling, if timeout is zero.
+
+ // Short-circuit without rescheduling if timeout is zero.
if (timeout == 0) {
return RESULT_TIMEOUT;
}
diff --git a/src/core/hle/kernel/hle_ipc.cpp b/src/core/hle/kernel/hle_ipc.cpp
index be24cef06..03745c449 100644
--- a/src/core/hle/kernel/hle_ipc.cpp
+++ b/src/core/hle/kernel/hle_ipc.cpp
@@ -214,10 +214,11 @@ ResultCode HLERequestContext::PopulateFromIncomingCommandBuffer(const HandleTabl
ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(Thread& thread) {
auto& owner_process = *thread.GetOwnerProcess();
auto& handle_table = owner_process.GetHandleTable();
+ auto& memory = Core::System::GetInstance().Memory();
std::array<u32, IPC::COMMAND_BUFFER_LENGTH> dst_cmdbuf;
- Memory::ReadBlock(owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
- dst_cmdbuf.size() * sizeof(u32));
+ memory.ReadBlock(owner_process, thread.GetTLSAddress(), dst_cmdbuf.data(),
+ dst_cmdbuf.size() * sizeof(u32));
// The header was already built in the internal command buffer. Attempt to parse it to verify
// the integrity and then copy it over to the target command buffer.
@@ -282,15 +283,14 @@ ResultCode HLERequestContext::WriteToOutgoingCommandBuffer(Thread& thread) {
std::vector<u8> HLERequestContext::ReadBuffer(int buffer_index) const {
std::vector<u8> buffer;
const bool is_buffer_a{BufferDescriptorA().size() && BufferDescriptorA()[buffer_index].Size()};
+ auto& memory = Core::System::GetInstance().Memory();
if (is_buffer_a) {
buffer.resize(BufferDescriptorA()[buffer_index].Size());
- Memory::ReadBlock(BufferDescriptorA()[buffer_index].Address(), buffer.data(),
- buffer.size());
+ memory.ReadBlock(BufferDescriptorA()[buffer_index].Address(), buffer.data(), buffer.size());
} else {
buffer.resize(BufferDescriptorX()[buffer_index].Size());
- Memory::ReadBlock(BufferDescriptorX()[buffer_index].Address(), buffer.data(),
- buffer.size());
+ memory.ReadBlock(BufferDescriptorX()[buffer_index].Address(), buffer.data(), buffer.size());
}
return buffer;
diff --git a/src/core/hle/kernel/mutex.cpp b/src/core/hle/kernel/mutex.cpp
index 8493d0f78..88eede436 100644
--- a/src/core/hle/kernel/mutex.cpp
+++ b/src/core/hle/kernel/mutex.cpp
@@ -79,7 +79,7 @@ ResultCode Mutex::TryAcquire(VAddr address, Handle holding_thread_handle,
// thread.
ASSERT(requesting_thread == current_thread);
- const u32 addr_value = Memory::Read32(address);
+ const u32 addr_value = system.Memory().Read32(address);
// If the mutex isn't being held, just return success.
if (addr_value != (holding_thread_handle | Mutex::MutexHasWaitersFlag)) {
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 738db528d..a6c377cfc 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -454,7 +454,8 @@ static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr
LOG_TRACE(Kernel_SVC, "called handles_address=0x{:X}, handle_count={}, nano_seconds={}",
handles_address, handle_count, nano_seconds);
- if (!system.Memory().IsValidVirtualAddress(handles_address)) {
+ auto& memory = system.Memory();
+ if (!memory.IsValidVirtualAddress(handles_address)) {
LOG_ERROR(Kernel_SVC,
"Handle address is not a valid virtual address, handle_address=0x{:016X}",
handles_address);
@@ -476,7 +477,7 @@ static ResultCode WaitSynchronization(Core::System& system, Handle* index, VAddr
const auto& handle_table = system.Kernel().CurrentProcess()->GetHandleTable();
for (u64 i = 0; i < handle_count; ++i) {
- const Handle handle = Memory::Read32(handles_address + i * sizeof(Handle));
+ const Handle handle = memory.Read32(handles_address + i * sizeof(Handle));
const auto object = handle_table.Get<WaitObject>(handle);
if (object == nullptr) {
@@ -618,13 +619,15 @@ static void Break(Core::System& system, u32 reason, u64 info1, u64 info2) {
return;
}
+ auto& memory = system.Memory();
+
// This typically is an error code so we're going to assume this is the case
if (sz == sizeof(u32)) {
- LOG_CRITICAL(Debug_Emulated, "debug_buffer_err_code={:X}", Memory::Read32(addr));
+ LOG_CRITICAL(Debug_Emulated, "debug_buffer_err_code={:X}", memory.Read32(addr));
} else {
// We don't know what's in here so we'll hexdump it
debug_buffer.resize(sz);
- Memory::ReadBlock(addr, debug_buffer.data(), sz);
+ memory.ReadBlock(addr, debug_buffer.data(), sz);
std::string hexdump;
for (std::size_t i = 0; i < debug_buffer.size(); i++) {
hexdump += fmt::format("{:02X} ", debug_buffer[i]);
@@ -714,7 +717,7 @@ static void OutputDebugString([[maybe_unused]] Core::System& system, VAddr addre
}
std::string str(len, '\0');
- Memory::ReadBlock(address, str.data(), str.size());
+ system.Memory().ReadBlock(address, str.data(), str.size());
LOG_DEBUG(Debug_Emulated, "{}", str);
}
@@ -1674,6 +1677,7 @@ static ResultCode SignalProcessWideKey(Core::System& system, VAddr condition_var
const std::size_t current_core = system.CurrentCoreIndex();
auto& monitor = system.Monitor();
+ auto& memory = system.Memory();
// Atomically read the value of the mutex.
u32 mutex_val = 0;
@@ -1683,7 +1687,7 @@ static ResultCode SignalProcessWideKey(Core::System& system, VAddr condition_var
monitor.SetExclusive(current_core, mutex_address);
// If the mutex is not yet acquired, acquire it.
- mutex_val = Memory::Read32(mutex_address);
+ mutex_val = memory.Read32(mutex_address);
if (mutex_val != 0) {
update_val = mutex_val | Mutex::MutexHasWaitersFlag;
diff --git a/src/core/hle/service/audio/audout_u.cpp b/src/core/hle/service/audio/audout_u.cpp
index 6a29377e3..4fb2cbc4b 100644
--- a/src/core/hle/service/audio/audout_u.cpp
+++ b/src/core/hle/service/audio/audout_u.cpp
@@ -43,7 +43,8 @@ public:
IAudioOut(Core::System& system, AudoutParams audio_params, AudioCore::AudioOut& audio_core,
std::string&& device_name, std::string&& unique_name)
: ServiceFramework("IAudioOut"), audio_core(audio_core),
- device_name(std::move(device_name)), audio_params(audio_params) {
+ device_name(std::move(device_name)),
+ audio_params(audio_params), main_memory{system.Memory()} {
// clang-format off
static const FunctionInfo functions[] = {
{0, &IAudioOut::GetAudioOutState, "GetAudioOutState"},
@@ -137,7 +138,7 @@ private:
const u64 tag{rp.Pop<u64>()};
std::vector<s16> samples(audio_buffer.buffer_size / sizeof(s16));
- Memory::ReadBlock(audio_buffer.buffer, samples.data(), audio_buffer.buffer_size);
+ main_memory.ReadBlock(audio_buffer.buffer, samples.data(), audio_buffer.buffer_size);
if (!audio_core.QueueBuffer(stream, tag, std::move(samples))) {
IPC::ResponseBuilder rb{ctx, 2};
@@ -209,6 +210,7 @@ private:
/// This is the event handle used to check if the audio buffer was released
Kernel::EventPair buffer_event;
+ Memory::Memory& main_memory;
};
AudOutU::AudOutU(Core::System& system_) : ServiceFramework("audout:u"), system{system_} {
diff --git a/src/core/hle/service/ldr/ldr.cpp b/src/core/hle/service/ldr/ldr.cpp
index 88f903bfd..157aeec88 100644
--- a/src/core/hle/service/ldr/ldr.cpp
+++ b/src/core/hle/service/ldr/ldr.cpp
@@ -140,9 +140,10 @@ public:
rb.Push(ERROR_INVALID_SIZE);
return;
}
+
// Read NRR data from memory
std::vector<u8> nrr_data(nrr_size);
- Memory::ReadBlock(nrr_address, nrr_data.data(), nrr_size);
+ system.Memory().ReadBlock(nrr_address, nrr_data.data(), nrr_size);
NRRHeader header;
std::memcpy(&header, nrr_data.data(), sizeof(NRRHeader));
@@ -291,7 +292,7 @@ public:
// Read NRO data from memory
std::vector<u8> nro_data(nro_size);
- Memory::ReadBlock(nro_address, nro_data.data(), nro_size);
+ system.Memory().ReadBlock(nro_address, nro_data.data(), nro_size);
SHA256Hash hash{};
mbedtls_sha256_ret(nro_data.data(), nro_data.size(), hash.data(), 0);
diff --git a/src/core/hle/service/lm/lm.cpp b/src/core/hle/service/lm/lm.cpp
index 74ecaef1b..346c8f899 100644
--- a/src/core/hle/service/lm/lm.cpp
+++ b/src/core/hle/service/lm/lm.cpp
@@ -36,15 +36,15 @@ private:
MessageHeader header{};
VAddr addr{ctx.BufferDescriptorX()[0].Address()};
const VAddr end_addr{addr + ctx.BufferDescriptorX()[0].size};
- Memory::ReadBlock(addr, &header, sizeof(MessageHeader));
+ memory.ReadBlock(addr, &header, sizeof(MessageHeader));
addr += sizeof(MessageHeader);
FieldMap fields;
while (addr < end_addr) {
- const auto field = static_cast<Field>(Memory::Read8(addr++));
- const auto length = Memory::Read8(addr++);
+ const auto field = static_cast<Field>(memory.Read8(addr++));
+ const auto length = memory.Read8(addr++);
- if (static_cast<Field>(Memory::Read8(addr)) == Field::Skip) {
+ if (static_cast<Field>(memory.Read8(addr)) == Field::Skip) {
++addr;
}
@@ -55,7 +55,7 @@ private:
}
std::vector<u8> data(length);
- Memory::ReadBlock(addr, data.data(), length);
+ memory.ReadBlock(addr, data.data(), length);
fields.emplace(field, std::move(data));
}
diff --git a/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp b/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
index 9de0ace22..6d8bca8bb 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_gpu.cpp
@@ -191,8 +191,8 @@ u32 nvhost_gpu::KickoffPB(const std::vector<u8>& input, std::vector<u8>& output,
std::memcpy(entries.data(), input2.data(),
params.num_entries * sizeof(Tegra::CommandListHeader));
} else {
- Memory::ReadBlock(params.address, entries.data(),
- params.num_entries * sizeof(Tegra::CommandListHeader));
+ system.Memory().ReadBlock(params.address, entries.data(),
+ params.num_entries * sizeof(Tegra::CommandListHeader));
}
UNIMPLEMENTED_IF(params.flags.add_wait.Value() != 0);
UNIMPLEMENTED_IF(params.flags.add_increment.Value() != 0);
diff --git a/src/core/memory.cpp b/src/core/memory.cpp
index c939e980d..699c48107 100644
--- a/src/core/memory.cpp
+++ b/src/core/memory.cpp
@@ -60,37 +60,6 @@ u8* GetPointerFromVMA(VAddr vaddr) {
}
template <typename T>
-T Read(const VAddr vaddr) {
- const u8* const page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
- if (page_pointer != nullptr) {
- // NOTE: Avoid adding any extra logic to this fast-path block
- T value;
- std::memcpy(&value, &page_pointer[vaddr & PAGE_MASK], sizeof(T));
- return value;
- }
-
- const Common::PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
- switch (type) {
- case Common::PageType::Unmapped:
- LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr);
- return 0;
- case Common::PageType::Memory:
- ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
- break;
- case Common::PageType::RasterizerCachedMemory: {
- const u8* const host_ptr{GetPointerFromVMA(vaddr)};
- Core::System::GetInstance().GPU().FlushRegion(ToCacheAddr(host_ptr), sizeof(T));
- T value;
- std::memcpy(&value, host_ptr, sizeof(T));
- return value;
- }
- default:
- UNREACHABLE();
- }
- return {};
-}
-
-template <typename T>
void Write(const VAddr vaddr, const T data) {
u8* const page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
if (page_pointer != nullptr) {
@@ -210,6 +179,22 @@ struct Memory::Impl {
return nullptr;
}
+ u8 Read8(const VAddr addr) {
+ return Read<u8>(addr);
+ }
+
+ u16 Read16(const VAddr addr) {
+ return Read<u16_le>(addr);
+ }
+
+ u32 Read32(const VAddr addr) {
+ return Read<u32_le>(addr);
+ }
+
+ u64 Read64(const VAddr addr) {
+ return Read<u64_le>(addr);
+ }
+
std::string ReadCString(VAddr vaddr, std::size_t max_length) {
std::string string;
string.reserve(max_length);
@@ -225,6 +210,55 @@ struct Memory::Impl {
return string;
}
+ void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer,
+ const std::size_t size) {
+ const auto& page_table = process.VMManager().page_table;
+
+ std::size_t remaining_size = size;
+ std::size_t page_index = src_addr >> PAGE_BITS;
+ std::size_t page_offset = src_addr & PAGE_MASK;
+
+ while (remaining_size > 0) {
+ const std::size_t copy_amount =
+ std::min(static_cast<std::size_t>(PAGE_SIZE) - page_offset, remaining_size);
+ const auto current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
+
+ switch (page_table.attributes[page_index]) {
+ case Common::PageType::Unmapped: {
+ LOG_ERROR(HW_Memory,
+ "Unmapped ReadBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})",
+ current_vaddr, src_addr, size);
+ std::memset(dest_buffer, 0, copy_amount);
+ break;
+ }
+ case Common::PageType::Memory: {
+ DEBUG_ASSERT(page_table.pointers[page_index]);
+
+ const u8* const src_ptr = page_table.pointers[page_index] + page_offset;
+ std::memcpy(dest_buffer, src_ptr, copy_amount);
+ break;
+ }
+ case Common::PageType::RasterizerCachedMemory: {
+ const u8* const host_ptr = GetPointerFromVMA(process, current_vaddr);
+ system.GPU().FlushRegion(ToCacheAddr(host_ptr), copy_amount);
+ std::memcpy(dest_buffer, host_ptr, copy_amount);
+ break;
+ }
+ default:
+ UNREACHABLE();
+ }
+
+ page_index++;
+ page_offset = 0;
+ dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
+ remaining_size -= copy_amount;
+ }
+ }
+
+ void ReadBlock(const VAddr src_addr, void* dest_buffer, const std::size_t size) {
+ ReadBlock(*system.CurrentProcess(), src_addr, dest_buffer, size);
+ }
+
void ZeroBlock(const Kernel::Process& process, const VAddr dest_addr, const std::size_t size) {
const auto& page_table = process.VMManager().page_table;
std::size_t remaining_size = size;
@@ -425,6 +459,48 @@ struct Memory::Impl {
}
}
+ /**
+ * Reads a particular data type out of memory at the given virtual address.
+ *
+ * @param vaddr The virtual address to read the data type from.
+ *
+ * @tparam T The data type to read out of memory. This type *must* be
+ * trivially copyable, otherwise the behavior of this function
+ * is undefined.
+ *
+ * @returns The instance of T read from the specified virtual address.
+ */
+ template <typename T>
+ T Read(const VAddr vaddr) {
+ const u8* const page_pointer = current_page_table->pointers[vaddr >> PAGE_BITS];
+ if (page_pointer != nullptr) {
+ // NOTE: Avoid adding any extra logic to this fast-path block
+ T value;
+ std::memcpy(&value, &page_pointer[vaddr & PAGE_MASK], sizeof(T));
+ return value;
+ }
+
+ const Common::PageType type = current_page_table->attributes[vaddr >> PAGE_BITS];
+ switch (type) {
+ case Common::PageType::Unmapped:
+ LOG_ERROR(HW_Memory, "Unmapped Read{} @ 0x{:08X}", sizeof(T) * 8, vaddr);
+ return 0;
+ case Common::PageType::Memory:
+ ASSERT_MSG(false, "Mapped memory page without a pointer @ {:016X}", vaddr);
+ break;
+ case Common::PageType::RasterizerCachedMemory: {
+ const u8* const host_ptr = GetPointerFromVMA(vaddr);
+ system.GPU().FlushRegion(ToCacheAddr(host_ptr), sizeof(T));
+ T value;
+ std::memcpy(&value, host_ptr, sizeof(T));
+ return value;
+ }
+ default:
+ UNREACHABLE();
+ }
+ return {};
+ }
+
Core::System& system;
};
@@ -470,10 +546,35 @@ const u8* Memory::GetPointer(VAddr vaddr) const {
return impl->GetPointer(vaddr);
}
+u8 Memory::Read8(const VAddr addr) {
+ return impl->Read8(addr);
+}
+
+u16 Memory::Read16(const VAddr addr) {
+ return impl->Read16(addr);
+}
+
+u32 Memory::Read32(const VAddr addr) {
+ return impl->Read32(addr);
+}
+
+u64 Memory::Read64(const VAddr addr) {
+ return impl->Read64(addr);
+}
+
std::string Memory::ReadCString(VAddr vaddr, std::size_t max_length) {
return impl->ReadCString(vaddr, max_length);
}
+void Memory::ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer,
+ const std::size_t size) {
+ impl->ReadBlock(process, src_addr, dest_buffer, size);
+}
+
+void Memory::ReadBlock(const VAddr src_addr, void* dest_buffer, const std::size_t size) {
+ impl->ReadBlock(src_addr, dest_buffer, size);
+}
+
void Memory::ZeroBlock(const Kernel::Process& process, VAddr dest_addr, std::size_t size) {
impl->ZeroBlock(process, dest_addr, size);
}
@@ -511,71 +612,6 @@ bool IsKernelVirtualAddress(const VAddr vaddr) {
return KERNEL_REGION_VADDR <= vaddr && vaddr < KERNEL_REGION_END;
}
-u8 Read8(const VAddr addr) {
- return Read<u8>(addr);
-}
-
-u16 Read16(const VAddr addr) {
- return Read<u16_le>(addr);
-}
-
-u32 Read32(const VAddr addr) {
- return Read<u32_le>(addr);
-}
-
-u64 Read64(const VAddr addr) {
- return Read<u64_le>(addr);
-}
-
-void ReadBlock(const Kernel::Process& process, const VAddr src_addr, void* dest_buffer,
- const std::size_t size) {
- const auto& page_table = process.VMManager().page_table;
-
- std::size_t remaining_size = size;
- std::size_t page_index = src_addr >> PAGE_BITS;
- std::size_t page_offset = src_addr & PAGE_MASK;
-
- while (remaining_size > 0) {
- const std::size_t copy_amount =
- std::min(static_cast<std::size_t>(PAGE_SIZE) - page_offset, remaining_size);
- const VAddr current_vaddr = static_cast<VAddr>((page_index << PAGE_BITS) + page_offset);
-
- switch (page_table.attributes[page_index]) {
- case Common::PageType::Unmapped: {
- LOG_ERROR(HW_Memory,
- "Unmapped ReadBlock @ 0x{:016X} (start address = 0x{:016X}, size = {})",
- current_vaddr, src_addr, size);
- std::memset(dest_buffer, 0, copy_amount);
- break;
- }
- case Common::PageType::Memory: {
- DEBUG_ASSERT(page_table.pointers[page_index]);
-
- const u8* src_ptr = page_table.pointers[page_index] + page_offset;
- std::memcpy(dest_buffer, src_ptr, copy_amount);
- break;
- }
- case Common::PageType::RasterizerCachedMemory: {
- const auto& host_ptr{GetPointerFromVMA(process, current_vaddr)};
- Core::System::GetInstance().GPU().FlushRegion(ToCacheAddr(host_ptr), copy_amount);
- std::memcpy(dest_buffer, host_ptr, copy_amount);
- break;
- }
- default:
- UNREACHABLE();
- }
-
- page_index++;
- page_offset = 0;
- dest_buffer = static_cast<u8*>(dest_buffer) + copy_amount;
- remaining_size -= copy_amount;
- }
-}
-
-void ReadBlock(const VAddr src_addr, void* dest_buffer, const std::size_t size) {
- ReadBlock(*Core::System::GetInstance().CurrentProcess(), src_addr, dest_buffer, size);
-}
-
void Write8(const VAddr addr, const u8 data) {
Write<u8>(addr, data);
}
diff --git a/src/core/memory.h b/src/core/memory.h
index fc0013a96..cc6ab920e 100644
--- a/src/core/memory.h
+++ b/src/core/memory.h
@@ -153,6 +153,46 @@ public:
const u8* GetPointer(VAddr vaddr) const;
/**
+ * Reads an 8-bit unsigned value from the current process' address space
+ * at the given virtual address.
+ *
+ * @param addr The virtual address to read the 8-bit value from.
+ *
+ * @returns the read 8-bit unsigned value.
+ */
+ u8 Read8(VAddr addr);
+
+ /**
+ * Reads a 16-bit unsigned value from the current process' address space
+ * at the given virtual address.
+ *
+ * @param addr The virtual address to read the 16-bit value from.
+ *
+ * @returns the read 16-bit unsigned value.
+ */
+ u16 Read16(VAddr addr);
+
+ /**
+ * Reads a 32-bit unsigned value from the current process' address space
+ * at the given virtual address.
+ *
+ * @param addr The virtual address to read the 32-bit value from.
+ *
+ * @returns the read 32-bit unsigned value.
+ */
+ u32 Read32(VAddr addr);
+
+ /**
+ * Reads a 64-bit unsigned value from the current process' address space
+ * at the given virtual address.
+ *
+ * @param addr The virtual address to read the 64-bit value from.
+ *
+ * @returns the read 64-bit value.
+ */
+ u64 Read64(VAddr addr);
+
+ /**
* Reads a null-terminated string from the given virtual address.
* This function will continually read characters until either:
*
@@ -170,6 +210,44 @@ public:
std::string ReadCString(VAddr vaddr, std::size_t max_length);
/**
+ * Reads a contiguous block of bytes from a specified process' address space.
+ *
+ * @param process The process to read the data from.
+ * @param src_addr The virtual address to begin reading from.
+ * @param dest_buffer The buffer to place the read bytes into.
+ * @param size The amount of data to read, in bytes.
+ *
+ * @note If a size of 0 is specified, then this function reads nothing and
+ * no attempts to access memory are made at all.
+ *
+ * @pre dest_buffer must be at least size bytes in length, otherwise a
+ * buffer overrun will occur.
+ *
+ * @post The range [dest_buffer, size) contains the read bytes from the
+ * process' address space.
+ */
+ void ReadBlock(const Kernel::Process& process, VAddr src_addr, void* dest_buffer,
+ std::size_t size);
+
+ /**
+ * Reads a contiguous block of bytes from the current process' address space.
+ *
+ * @param src_addr The virtual address to begin reading from.
+ * @param dest_buffer The buffer to place the read bytes into.
+ * @param size The amount of data to read, in bytes.
+ *
+ * @note If a size of 0 is specified, then this function reads nothing and
+ * no attempts to access memory are made at all.
+ *
+ * @pre dest_buffer must be at least size bytes in length, otherwise a
+ * buffer overrun will occur.
+ *
+ * @post The range [dest_buffer, size) contains the read bytes from the
+ * current process' address space.
+ */
+ void ReadBlock(VAddr src_addr, void* dest_buffer, std::size_t size);
+
+ /**
* Fills the specified address range within a process' address space with zeroes.
*
* @param process The process that will have a portion of its memory zeroed out.
@@ -242,18 +320,11 @@ void SetCurrentPageTable(Kernel::Process& process);
/// Determines if the given VAddr is a kernel address
bool IsKernelVirtualAddress(VAddr vaddr);
-u8 Read8(VAddr addr);
-u16 Read16(VAddr addr);
-u32 Read32(VAddr addr);
-u64 Read64(VAddr addr);
-
void Write8(VAddr addr, u8 data);
void Write16(VAddr addr, u16 data);
void Write32(VAddr addr, u32 data);
void Write64(VAddr addr, u64 data);
-void ReadBlock(const Kernel::Process& process, VAddr src_addr, void* dest_buffer, std::size_t size);
-void ReadBlock(VAddr src_addr, void* dest_buffer, std::size_t size);
void WriteBlock(const Kernel::Process& process, VAddr dest_addr, const void* src_buffer,
std::size_t size);
void WriteBlock(VAddr dest_addr, const void* src_buffer, std::size_t size);
diff --git a/src/core/memory/cheat_engine.cpp b/src/core/memory/cheat_engine.cpp
index b73cc9fbd..d6745af8b 100644
--- a/src/core/memory/cheat_engine.cpp
+++ b/src/core/memory/cheat_engine.cpp
@@ -20,14 +20,13 @@ namespace Memory {
constexpr s64 CHEAT_ENGINE_TICKS = static_cast<s64>(Core::Timing::BASE_CLOCK_RATE / 12);
constexpr u32 KEYPAD_BITMASK = 0x3FFFFFF;
-StandardVmCallbacks::StandardVmCallbacks(const Core::System& system,
- const CheatProcessMetadata& metadata)
+StandardVmCallbacks::StandardVmCallbacks(Core::System& system, const CheatProcessMetadata& metadata)
: metadata(metadata), system(system) {}
StandardVmCallbacks::~StandardVmCallbacks() = default;
void StandardVmCallbacks::MemoryRead(VAddr address, void* data, u64 size) {
- ReadBlock(SanitizeAddress(address), data, size);
+ system.Memory().ReadBlock(SanitizeAddress(address), data, size);
}
void StandardVmCallbacks::MemoryWrite(VAddr address, const void* data, u64 size) {
diff --git a/src/core/memory/cheat_engine.h b/src/core/memory/cheat_engine.h
index e3db90dac..3d6b2298a 100644
--- a/src/core/memory/cheat_engine.h
+++ b/src/core/memory/cheat_engine.h
@@ -24,7 +24,7 @@ namespace Memory {
class StandardVmCallbacks : public DmntCheatVm::Callbacks {
public:
- StandardVmCallbacks(const Core::System& system, const CheatProcessMetadata& metadata);
+ StandardVmCallbacks(Core::System& system, const CheatProcessMetadata& metadata);
~StandardVmCallbacks() override;
void MemoryRead(VAddr address, void* data, u64 size) override;
@@ -37,7 +37,7 @@ private:
VAddr SanitizeAddress(VAddr address) const;
const CheatProcessMetadata& metadata;
- const Core::System& system;
+ Core::System& system;
};
// Intermediary class that parses a text file or other disk format for storing cheats into a
diff --git a/src/core/reporter.cpp b/src/core/reporter.cpp
index af0988d62..f95eee3b1 100644
--- a/src/core/reporter.cpp
+++ b/src/core/reporter.cpp
@@ -157,7 +157,7 @@ json GetHLEBufferDescriptorData(const std::vector<DescriptorType>& buffer, Memor
if constexpr (read_value) {
std::vector<u8> data(desc.Size());
- Memory::ReadBlock(desc.Address(), data.data(), desc.Size());
+ memory.ReadBlock(desc.Address(), data.data(), desc.Size());
entry["data"] = Common::HexToString(data);
}
diff --git a/src/core/tools/freezer.cpp b/src/core/tools/freezer.cpp
index c7f42388f..ab66f35f9 100644
--- a/src/core/tools/freezer.cpp
+++ b/src/core/tools/freezer.cpp
@@ -18,13 +18,13 @@ constexpr s64 MEMORY_FREEZER_TICKS = static_cast<s64>(Core::Timing::BASE_CLOCK_R
u64 MemoryReadWidth(Memory::Memory& memory, u32 width, VAddr addr) {
switch (width) {
case 1:
- return Memory::Read8(addr);
+ return memory.Read8(addr);
case 2:
- return Memory::Read16(addr);
+ return memory.Read16(addr);
case 4:
- return Memory::Read32(addr);
+ return memory.Read32(addr);
case 8:
- return Memory::Read64(addr);
+ return memory.Read64(addr);
default:
UNREACHABLE();
return 0;
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-22 22:16:23 +0100