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code: Use std::span where appropriate (#6658)

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* code: Use std::span when possible

* code: Prefix memcpy and memcmp with std::
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GPUCode 2023-07-07 01:52:40 +03:00 • committed by GitHub
parent 4ccd9f24fb
commit cf9bb90ae3
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GPG key ID: 4AEE18F83AFDEB23
106 changed files with 362 additions and 329 deletions
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17
src/core/rpc/rpc_server.cpp
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@ -37,18 +37,19 @@ void RPCServer::HandleReadMemory(Packet& packet, u32 address, u32 data_size) {
packet.SendReply();
}
void RPCServer::HandleWriteMemory(Packet& packet, u32 address, const u8* data, u32 data_size) {
void RPCServer::HandleWriteMemory(Packet& packet, u32 address, std::span<const u8> data) {
// Only allow writing to certain memory regions
if ((address >= Memory::PROCESS_IMAGE_VADDR && address <= Memory::PROCESS_IMAGE_VADDR_END) ||
(address >= Memory::HEAP_VADDR && address <= Memory::HEAP_VADDR_END) ||
(address >= Memory::N3DS_EXTRA_RAM_VADDR && address <= Memory::N3DS_EXTRA_RAM_VADDR_END)) {
// Note: Memory write occurs asynchronously from the state of the emulator
Core::System::GetInstance().Memory().WriteBlock(
*Core::System::GetInstance().Kernel().GetCurrentProcess(), address, data, data_size);
*Core::System::GetInstance().Kernel().GetCurrentProcess(), address, data.data(),
data.size());
// If the memory happens to be executable code, make sure the changes become visible
// Is current core correct here?
Core::System::GetInstance().InvalidateCacheRange(address, data_size);
Core::System::GetInstance().InvalidateCacheRange(address, data.size());
}
packet.SetPacketDataSize(0);
packet.SendReply();
@ -72,14 +73,14 @@ bool RPCServer::ValidatePacket(const PacketHeader& packet_header) {
void RPCServer::HandleSingleRequest(std::unique_ptr<Packet> request_packet) {
bool success = false;
const auto& packet_data = request_packet->GetPacketData();
if (ValidatePacket(request_packet->GetHeader())) {
// Currently, all request types use the address/data_size wire format
u32 address = 0;
u32 data_size = 0;
std::memcpy(&address, request_packet->GetPacketData().data(), sizeof(address));
std::memcpy(&data_size, request_packet->GetPacketData().data() + sizeof(address),
sizeof(data_size));
std::memcpy(&address, packet_data.data(), sizeof(address));
std::memcpy(&data_size, packet_data.data() + sizeof(address), sizeof(data_size));
switch (request_packet->GetPacketType()) {
case PacketType::ReadMemory:
@ -90,8 +91,8 @@ void RPCServer::HandleSingleRequest(std::unique_ptr<Packet> request_packet) {
break;
case PacketType::WriteMemory:
if (data_size > 0 && data_size <= MAX_PACKET_DATA_SIZE - (sizeof(u32) * 2)) {
const u8* data = request_packet->GetPacketData().data() + (sizeof(u32) * 2);
HandleWriteMemory(*request_packet, address, data, data_size);
const auto data = std::span{packet_data}.subspan(sizeof(u32) * 2, data_size);
HandleWriteMemory(*request_packet, address, data);
success = true;
}
break;