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kern: add SvcStartProcess

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This commit is contained in:
Michael Scire 2020-07-21 23:03:17 -07:00 committed by SciresM
parent 51311a7332
commit 81db43932d
1 changed files with 34 additions and 2 deletions
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36
libraries/libmesosphere/source/svc/kern_svc_process.cpp
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@ -21,6 +21,10 @@ namespace ams::kern::svc {
namespace { namespace {
constexpr bool IsValidCoreId(int32_t core_id) {
return (0 <= core_id && core_id < static_cast<int32_t>(cpu::NumCores));
}
void ExitProcess() { void ExitProcess() {
GetCurrentProcess().Exit(); GetCurrentProcess().Exit();
MESOSPHERE_PANIC("Process survived call to exit"); MESOSPHERE_PANIC("Process survived call to exit");
@ -251,6 +255,34 @@ namespace ams::kern::svc {
} }
} }
Result StartProcess(ams::svc::Handle process_handle, int32_t priority, int32_t core_id, uint64_t main_thread_stack_size) {
/* Validate stack size. */
R_UNLESS(main_thread_stack_size == static_cast<size_t>(main_thread_stack_size), svc::ResultOutOfMemory());
/* Get the target process. */
KScopedAutoObject process = GetCurrentProcess().GetHandleTable().GetObject<KProcess>(process_handle);
R_UNLESS(process.IsNotNull(), svc::ResultInvalidHandle());
/* Validate the core id. */
R_UNLESS(IsValidCoreId(core_id), svc::ResultInvalidCoreId());
R_UNLESS(((1ul << core_id) & process->GetCoreMask()) != 0, svc::ResultInvalidCoreId());
/* Validate the priority. */
R_UNLESS(ams::svc::HighestThreadPriority <= priority && priority <= ams::svc::LowestThreadPriority, svc::ResultInvalidPriority());
R_UNLESS(process->CheckThreadPriority(priority), svc::ResultInvalidPriority());
/* Set the process's ideal processor. */
process->SetIdealCoreId(core_id);
/* Run the process. */
R_TRY(process->Run(priority, static_cast<size_t>(main_thread_stack_size)));
/* Open a reference to the process, since it's now running. */
process->Open();
return ResultSuccess();
}
} }
/* ============================= 64 ABI ============================= */ /* ============================= 64 ABI ============================= */
@ -272,7 +304,7 @@ namespace ams::kern::svc {
} }
Result StartProcess64(ams::svc::Handle process_handle, int32_t priority, int32_t core_id, uint64_t main_thread_stack_size) { Result StartProcess64(ams::svc::Handle process_handle, int32_t priority, int32_t core_id, uint64_t main_thread_stack_size) {
MESOSPHERE_PANIC("Stubbed SvcStartProcess64 was called."); return StartProcess(process_handle, priority, core_id, main_thread_stack_size);
} }
Result TerminateProcess64(ams::svc::Handle process_handle) { Result TerminateProcess64(ams::svc::Handle process_handle) {
@ -302,7 +334,7 @@ namespace ams::kern::svc {
} }
Result StartProcess64From32(ams::svc::Handle process_handle, int32_t priority, int32_t core_id, uint64_t main_thread_stack_size) { Result StartProcess64From32(ams::svc::Handle process_handle, int32_t priority, int32_t core_id, uint64_t main_thread_stack_size) {
MESOSPHERE_PANIC("Stubbed SvcStartProcess64From32 was called."); return StartProcess(process_handle, priority, core_id, main_thread_stack_size);
} }
Result TerminateProcess64From32(ams::svc::Handle process_handle) { Result TerminateProcess64From32(ams::svc::Handle process_handle) {