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authorLioncash <mathew1800@gmail.com>2018-09-02 17:58:58 +0200
committerLioncash <mathew1800@gmail.com>2018-09-02 18:35:30 +0200
commit1242c1ec0aab88d91b0bb4faf6200e4f20e4bdc2 (patch)
treef540b9cbc6db29bb5d41668f7efa8fc5c4e44469 /src/core/hle/kernel
parentMerge pull request #1213 from DarkLordZach/octopath-fs (diff)
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Diffstat (limited to 'src/core/hle/kernel')
-rw-r--r--src/core/hle/kernel/kernel.cpp24
-rw-r--r--src/core/hle/kernel/kernel.h18
-rw-r--r--src/core/hle/kernel/svc.cpp12
3 files changed, 49 insertions, 5 deletions
diff --git a/src/core/hle/kernel/kernel.cpp b/src/core/hle/kernel/kernel.cpp
index 615d7901a..7902c2882 100644
--- a/src/core/hle/kernel/kernel.cpp
+++ b/src/core/hle/kernel/kernel.cpp
@@ -13,6 +13,7 @@
#include "core/core.h"
#include "core/core_timing.h"
+#include "core/hle/kernel/client_port.h"
#include "core/hle/kernel/handle_table.h"
#include "core/hle/kernel/kernel.h"
#include "core/hle/kernel/process.h"
@@ -124,6 +125,8 @@ struct KernelCore::Impl {
timer_callback_handle_table.Clear();
timer_callback_event_type = nullptr;
+
+ named_ports.clear();
}
void InitializeResourceLimits(KernelCore& kernel) {
@@ -217,6 +220,10 @@ struct KernelCore::Impl {
// TODO(yuriks): This can be removed if Thread objects are explicitly pooled in the future,
// allowing us to simply use a pool index or similar.
Kernel::HandleTable thread_wakeup_callback_handle_table;
+
+ /// Map of named ports managed by the kernel, which can be retrieved using
+ /// the ConnectToPort SVC.
+ NamedPortTable named_ports;
};
KernelCore::KernelCore() : impl{std::make_unique<Impl>()} {}
@@ -257,6 +264,23 @@ void KernelCore::AppendNewProcess(SharedPtr<Process> process) {
impl->process_list.push_back(std::move(process));
}
+void KernelCore::AddNamedPort(std::string name, SharedPtr<ClientPort> port) {
+ impl->named_ports.emplace(std::move(name), std::move(port));
+}
+
+KernelCore::NamedPortTable::iterator KernelCore::FindNamedPort(const std::string& name) {
+ return impl->named_ports.find(name);
+}
+
+KernelCore::NamedPortTable::const_iterator KernelCore::FindNamedPort(
+ const std::string& name) const {
+ return impl->named_ports.find(name);
+}
+
+bool KernelCore::IsValidNamedPort(NamedPortTable::const_iterator port) const {
+ return port != impl->named_ports.cend();
+}
+
u32 KernelCore::CreateNewObjectID() {
return impl->next_object_id++;
}
diff --git a/src/core/hle/kernel/kernel.h b/src/core/hle/kernel/kernel.h
index 089e959ac..ab2e9bffa 100644
--- a/src/core/hle/kernel/kernel.h
+++ b/src/core/hle/kernel/kernel.h
@@ -4,6 +4,8 @@
#pragma once
+#include <string>
+#include <unordered_map>
#include "core/hle/kernel/object.h"
template <typename T>
@@ -15,6 +17,7 @@ struct EventType;
namespace Kernel {
+class ClientPort;
class HandleTable;
class Process;
class ResourceLimit;
@@ -25,6 +28,9 @@ enum class ResourceLimitCategory : u8;
/// Represents a single instance of the kernel.
class KernelCore {
+private:
+ using NamedPortTable = std::unordered_map<std::string, SharedPtr<ClientPort>>;
+
public:
KernelCore();
~KernelCore();
@@ -59,6 +65,18 @@ public:
/// Adds the given shared pointer to an internal list of active processes.
void AppendNewProcess(SharedPtr<Process> process);
+ /// Adds a port to the named port table
+ void AddNamedPort(std::string name, SharedPtr<ClientPort> port);
+
+ /// Finds a port within the named port table with the given name.
+ NamedPortTable::iterator FindNamedPort(const std::string& name);
+
+ /// Finds a port within the named port table with the given name.
+ NamedPortTable::const_iterator FindNamedPort(const std::string& name) const;
+
+ /// Determines whether or not the given port is a valid named port.
+ bool IsValidNamedPort(NamedPortTable::const_iterator port) const;
+
private:
friend class Object;
friend class Process;
diff --git a/src/core/hle/kernel/svc.cpp b/src/core/hle/kernel/svc.cpp
index 5da71cff0..1c9373ed8 100644
--- a/src/core/hle/kernel/svc.cpp
+++ b/src/core/hle/kernel/svc.cpp
@@ -68,19 +68,22 @@ static ResultCode UnmapMemory(VAddr dst_addr, VAddr src_addr, u64 size) {
/// Connect to an OS service given the port name, returns the handle to the port to out
static ResultCode ConnectToNamedPort(Handle* out_handle, VAddr port_name_address) {
- if (!Memory::IsValidVirtualAddress(port_name_address))
+ if (!Memory::IsValidVirtualAddress(port_name_address)) {
return ERR_NOT_FOUND;
+ }
static constexpr std::size_t PortNameMaxLength = 11;
// Read 1 char beyond the max allowed port name to detect names that are too long.
std::string port_name = Memory::ReadCString(port_name_address, PortNameMaxLength + 1);
- if (port_name.size() > PortNameMaxLength)
+ if (port_name.size() > PortNameMaxLength) {
return ERR_PORT_NAME_TOO_LONG;
+ }
LOG_TRACE(Kernel_SVC, "called port_name={}", port_name);
- auto it = Service::g_kernel_named_ports.find(port_name);
- if (it == Service::g_kernel_named_ports.end()) {
+ auto& kernel = Core::System::GetInstance().Kernel();
+ auto it = kernel.FindNamedPort(port_name);
+ if (!kernel.IsValidNamedPort(it)) {
LOG_WARNING(Kernel_SVC, "tried to connect to unknown port: {}", port_name);
return ERR_NOT_FOUND;
}
@@ -91,7 +94,6 @@ static ResultCode ConnectToNamedPort(Handle* out_handle, VAddr port_name_address
CASCADE_RESULT(client_session, client_port->Connect());
// Return the client session
- auto& kernel = Core::System::GetInstance().Kernel();
CASCADE_RESULT(*out_handle, kernel.HandleTable().Create(client_session));
return RESULT_SUCCESS;
}