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Kernel/IPC: Use Ports and Sessions as the fundamental building block of Inter Process Communication.

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All handles obtained via srv::GetServiceHandle or svcConnectToPort are references to ClientSessions.
Service modules will wait on the counterpart of those ClientSessions (Called ServerSessions) using svcReplyAndReceive or svcWaitSynchronization[1|N], and will be awoken when a SyncRequest is performed.

HLE Interfaces are now ClientPorts which override the HandleSyncRequest virtual member function to perform command handling immediately.
This commit is contained in:
Subv 2016-06-14 18:03:30 -05:00
parent 68c00ee771
commit 073653e858
16 changed files with 315 additions and 89 deletions
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16
src/core/hle/service/service.cpp
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@ -41,8 +41,8 @@
namespace Service {
std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_kernel_named_ports;
std::unordered_map<std::string, Kernel::SharedPtr<Interface>> g_srv_services;
std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_kernel_named_ports;
std::unordered_map<std::string, Kernel::SharedPtr<Kernel::ClientPort>> g_srv_services;
/**
* Creates a function string for logging, complete with the name (or header code, depending
@ -61,7 +61,7 @@ static std::string MakeFunctionString(const char* name, const char* port_name,
return function_string;
}
ResultVal<bool> Interface::SyncRequest() {
ResultCode Interface::HandleSyncRequest() {
u32* cmd_buff = Kernel::GetCommandBuffer();
auto itr = m_functions.find(cmd_buff[0]);
@ -75,14 +75,14 @@ ResultVal<bool> Interface::SyncRequest() {
// TODO(bunnei): Hack - ignore error
cmd_buff[1] = 0;
return MakeResult<bool>(false);
return RESULT_SUCCESS;
}
LOG_TRACE(Service, "%s",
MakeFunctionString(itr->second.name, GetPortName().c_str(), cmd_buff).c_str());
itr->second.func(this);
return MakeResult<bool>(false); // TODO: Implement return from actual function
return RESULT_SUCCESS; // TODO: Implement return from actual function, it should fail if the parameter translation fails
}
void Interface::Register(const FunctionInfo* functions, size_t n) {
@ -97,10 +97,16 @@ void Interface::Register(const FunctionInfo* functions, size_t n) {
// Module interface
static void AddNamedPort(Interface* interface_) {
interface_->name = interface_->GetPortName();
interface_->active_sessions = 0;
interface_->max_sessions = interface_->GetMaxSessions();
g_kernel_named_ports.emplace(interface_->GetPortName(), interface_);
}
void AddService(Interface* interface_) {
interface_->name = interface_->GetPortName();
interface_->active_sessions = 0;
interface_->max_sessions = interface_->GetMaxSessions();
g_srv_services.emplace(interface_->GetPortName(), interface_);
}