svc: Implement svcCreateResourceLimit()

This function simply creates a ResourceLimit instance and attempts to
create a handle for it within the current process' handle table. If the
kernal fails to either create the ResourceLimit instance or create a
handle for the ResourceLimit instance, it returns a failure code
(OUT_OF_RESOURCE, and HANDLE_TABLE_FULL respectively). Finally, it exits
by providing the output parameter with the handle value for the
ResourceLimit instance and returning that it was successful.

Note: We do not return OUT_OF_RESOURCE because, if yuzu runs out of
available memory, then new will currently throw. We *could* allocate the
kernel instance with std::nothrow, however this would be inconsistent
with how all other kernel objects are currently allocated.
This commit is contained in:
Lioncash 2018-11-26 18:23:12 -05:00
parent f9a211220c
commit 4ef2af8c98
2 changed files with 27 additions and 1 deletions

View file

@ -1346,6 +1346,24 @@ static ResultCode GetProcessInfo(u64* out, Handle process_handle, u32 type) {
return RESULT_SUCCESS;
}
static ResultCode CreateResourceLimit(Handle* out_handle) {
LOG_DEBUG(Kernel_SVC, "called");
auto& kernel = Core::System::GetInstance().Kernel();
auto resource_limit = ResourceLimit::Create(kernel);
auto* const current_process = kernel.CurrentProcess();
ASSERT(current_process != nullptr);
const auto handle = current_process->GetHandleTable().Create(std::move(resource_limit));
if (handle.Failed()) {
return handle.Code();
}
*out_handle = *handle;
return RESULT_SUCCESS;
}
namespace {
struct FunctionDef {
using Func = void();
@ -1482,7 +1500,7 @@ static const FunctionDef SVC_Table[] = {
{0x7A, nullptr, "StartProcess"},
{0x7B, nullptr, "TerminateProcess"},
{0x7C, SvcWrap<GetProcessInfo>, "GetProcessInfo"},
{0x7D, nullptr, "CreateResourceLimit"},
{0x7D, SvcWrap<CreateResourceLimit>, "CreateResourceLimit"},
{0x7E, nullptr, "SetResourceLimitLimitValue"},
{0x7F, nullptr, "CallSecureMonitor"},
};

View file

@ -43,6 +43,14 @@ void SvcWrap() {
FuncReturn(func(static_cast<u32>(Param(0)), static_cast<u32>(Param(1))).raw);
}
template <ResultCode func(u32*)>
void SvcWrap() {
u32 param = 0;
const u32 retval = func(&param).raw;
Core::CurrentArmInterface().SetReg(1, param);
FuncReturn(retval);
}
template <ResultCode func(u32*, u32)>
void SvcWrap() {
u32 param_1 = 0;