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-rw-r--r--src/core/hle/svc.cpp66
1 files changed, 39 insertions, 27 deletions
diff --git a/src/core/hle/svc.cpp b/src/core/hle/svc.cpp
index 6be5db13f..e8ca419d5 100644
--- a/src/core/hle/svc.cpp
+++ b/src/core/hle/svc.cpp
@@ -201,17 +201,21 @@ static ResultCode UnmapMemoryBlock(Kernel::Handle handle, u32 addr) {
}
/// Connect to an OS service given the port name, returns the handle to the port to out
-static ResultCode ConnectToPort(Kernel::Handle* out_handle, const char* port_name) {
- if (port_name == nullptr)
+static ResultCode ConnectToPort(Kernel::Handle* out_handle, VAddr port_name_address) {
+ if (!Memory::IsValidVirtualAddress(port_name_address))
return Kernel::ERR_NOT_FOUND;
- if (std::strlen(port_name) > 11)
+
+ 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)
return Kernel::ERR_PORT_NAME_TOO_LONG;
- LOG_TRACE(Kernel_SVC, "called port_name=%s", port_name);
+ LOG_TRACE(Kernel_SVC, "called port_name=%s", port_name.c_str());
auto it = Service::g_kernel_named_ports.find(port_name);
if (it == Service::g_kernel_named_ports.end()) {
- LOG_WARNING(Kernel_SVC, "tried to connect to unknown port: %s", port_name);
+ LOG_WARNING(Kernel_SVC, "tried to connect to unknown port: %s", port_name.c_str());
return Kernel::ERR_NOT_FOUND;
}
@@ -303,12 +307,11 @@ static ResultCode WaitSynchronization1(Kernel::Handle handle, s64 nano_seconds)
}
/// Wait for the given handles to synchronize, timeout after the specified nanoseconds
-static ResultCode WaitSynchronizationN(s32* out, Kernel::Handle* handles, s32 handle_count,
+static ResultCode WaitSynchronizationN(s32* out, VAddr handles_address, s32 handle_count,
bool wait_all, s64 nano_seconds) {
Kernel::Thread* thread = Kernel::GetCurrentThread();
- // Check if 'handles' is invalid
- if (handles == nullptr)
+ if (!Memory::IsValidVirtualAddress(handles_address))
return Kernel::ERR_INVALID_POINTER;
// NOTE: on real hardware, there is no nullptr check for 'out' (tested with firmware 4.4). If
@@ -323,7 +326,8 @@ static ResultCode WaitSynchronizationN(s32* out, Kernel::Handle* handles, s32 ha
std::vector<ObjectPtr> objects(handle_count);
for (int i = 0; i < handle_count; ++i) {
- auto object = Kernel::g_handle_table.Get<Kernel::WaitObject>(handles[i]);
+ Kernel::Handle handle = Memory::Read32(handles_address + i * sizeof(Kernel::Handle));
+ auto object = Kernel::g_handle_table.Get<Kernel::WaitObject>(handle);
if (object == nullptr)
return ERR_INVALID_HANDLE;
objects[i] = object;
@@ -452,10 +456,9 @@ static ResultCode WaitSynchronizationN(s32* out, Kernel::Handle* handles, s32 ha
}
/// In a single operation, sends a IPC reply and waits for a new request.
-static ResultCode ReplyAndReceive(s32* index, Kernel::Handle* handles, s32 handle_count,
+static ResultCode ReplyAndReceive(s32* index, VAddr handles_address, s32 handle_count,
Kernel::Handle reply_target) {
- // 'handles' has to be a valid pointer even if 'handle_count' is 0.
- if (handles == nullptr)
+ if (!Memory::IsValidVirtualAddress(handles_address))
return Kernel::ERR_INVALID_POINTER;
// Check if 'handle_count' is invalid
@@ -466,7 +469,8 @@ static ResultCode ReplyAndReceive(s32* index, Kernel::Handle* handles, s32 handl
std::vector<ObjectPtr> objects(handle_count);
for (int i = 0; i < handle_count; ++i) {
- auto object = Kernel::g_handle_table.Get<Kernel::WaitObject>(handles[i]);
+ Kernel::Handle handle = Memory::Read32(handles_address + i * sizeof(Kernel::Handle));
+ auto object = Kernel::g_handle_table.Get<Kernel::WaitObject>(handle);
if (object == nullptr)
return ERR_INVALID_HANDLE;
objects[i] = object;
@@ -619,8 +623,10 @@ static void Break(u8 break_reason) {
}
/// Used to output a message on a debug hardware unit - does nothing on a retail unit
-static void OutputDebugString(const char* string, int len) {
- LOG_DEBUG(Debug_Emulated, "%.*s", len, string);
+static void OutputDebugString(VAddr address, int len) {
+ std::vector<char> string(len);
+ Memory::ReadBlock(address, string.data(), len);
+ LOG_DEBUG(Debug_Emulated, "%.*s", len, string.data());
}
/// Get resource limit
@@ -638,9 +644,9 @@ static ResultCode GetResourceLimit(Kernel::Handle* resource_limit, Kernel::Handl
}
/// Get resource limit current values
-static ResultCode GetResourceLimitCurrentValues(s64* values, Kernel::Handle resource_limit_handle,
- u32* names, u32 name_count) {
- LOG_TRACE(Kernel_SVC, "called resource_limit=%08X, names=%p, name_count=%d",
+static ResultCode GetResourceLimitCurrentValues(VAddr values, Kernel::Handle resource_limit_handle,
+ VAddr names, u32 name_count) {
+ LOG_TRACE(Kernel_SVC, "called resource_limit=%08X, names=%08X, name_count=%d",
resource_limit_handle, names, name_count);
SharedPtr<Kernel::ResourceLimit> resource_limit =
@@ -648,16 +654,19 @@ static ResultCode GetResourceLimitCurrentValues(s64* values, Kernel::Handle reso
if (resource_limit == nullptr)
return ERR_INVALID_HANDLE;
- for (unsigned int i = 0; i < name_count; ++i)
- values[i] = resource_limit->GetCurrentResourceValue(names[i]);
+ for (unsigned int i = 0; i < name_count; ++i) {
+ u32 name = Memory::Read32(names + i * sizeof(u32));
+ s64 value = resource_limit->GetCurrentResourceValue(name);
+ Memory::Write64(values + i * sizeof(u64), value);
+ }
return RESULT_SUCCESS;
}
/// Get resource limit max values
-static ResultCode GetResourceLimitLimitValues(s64* values, Kernel::Handle resource_limit_handle,
- u32* names, u32 name_count) {
- LOG_TRACE(Kernel_SVC, "called resource_limit=%08X, names=%p, name_count=%d",
+static ResultCode GetResourceLimitLimitValues(VAddr values, Kernel::Handle resource_limit_handle,
+ VAddr names, u32 name_count) {
+ LOG_TRACE(Kernel_SVC, "called resource_limit=%08X, names=%08X, name_count=%d",
resource_limit_handle, names, name_count);
SharedPtr<Kernel::ResourceLimit> resource_limit =
@@ -665,8 +674,11 @@ static ResultCode GetResourceLimitLimitValues(s64* values, Kernel::Handle resour
if (resource_limit == nullptr)
return ERR_INVALID_HANDLE;
- for (unsigned int i = 0; i < name_count; ++i)
- values[i] = resource_limit->GetMaxResourceValue(names[i]);
+ for (unsigned int i = 0; i < name_count; ++i) {
+ u32 name = Memory::Read32(names + i * sizeof(u32));
+ s64 value = resource_limit->GetMaxResourceValue(names);
+ Memory::Write64(values + i * sizeof(u64), value);
+ }
return RESULT_SUCCESS;
}
@@ -1098,9 +1110,9 @@ static ResultCode CreateMemoryBlock(Kernel::Handle* out_handle, u32 addr, u32 si
}
static ResultCode CreatePort(Kernel::Handle* server_port, Kernel::Handle* client_port,
- const char* name, u32 max_sessions) {
+ VAddr name_address, u32 max_sessions) {
// TODO(Subv): Implement named ports.
- ASSERT_MSG(name == nullptr, "Named ports are currently unimplemented");
+ ASSERT_MSG(name_address == 0, "Named ports are currently unimplemented");
using Kernel::ServerPort;
using Kernel::ClientPort;
generated by cgit v1.2.3 (git 2.25.1) at 2024-08-19 18:32:30 +0200