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kern: implement and comment missing 23.0.0 changes

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This commit is contained in:
hexkyz
2026-09-23 00:02:33 +01:00
parent 21f16ff938
commit 2d0fc65fd8
13 changed files with 68 additions and 20 deletions
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41
libraries/libmesosphere/source/svc/kern_svc_process.cpp
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@@ -25,8 +25,9 @@ namespace ams::kern::svc {
return (0 <= core_id && core_id < static_cast<int32_t>(cpu::NumVirtualCores));
}
void ExitProcess() {
GetCurrentProcess().Exit();
void ExitProcess(int64_t exit_tag) {
const uint32_t intended_kernel_major_version = GetCurrentProcess().GetIntendedKernelMajorVersion();
GetCurrentProcess().Exit(intended_kernel_major_version <= 26 ? -1ll : exit_tag);
MESOSPHERE_PANIC("Process survived call to exit");
}
@@ -357,7 +358,7 @@ namespace ams::kern::svc {
R_RETURN(process->Run(priority, static_cast<size_t>(aligned_stack_size)));
}
Result TerminateProcess(ams::svc::Handle process_handle) {
Result TerminateProcess(ams::svc::Handle process_handle, int64_t exit_tag) {
/* Get the target process. */
KProcess *process = GetCurrentProcess().GetHandleTable().GetObject<KProcess>(process_handle).ReleasePointerUnsafe();
R_UNLESS(process != nullptr, svc::ResultInvalidHandle());
@@ -367,13 +368,13 @@ namespace ams::kern::svc {
ON_SCOPE_EXIT { process->Close(); };
/* Terminate the process. */
R_TRY(process->Terminate());
R_TRY(process->Terminate(exit_tag));
} else {
/* We're terminating ourselves. Close our reference immediately. */
process->Close();
/* Exit. */
ExitProcess();
ExitProcess(exit_tag);
}
R_SUCCEED();
@@ -411,6 +412,20 @@ namespace ams::kern::svc {
}
}
break;
case ams::svc::ProcessInfoType_Unknown1:
{
/* TODO: 23.0.0+ added a new process info type. Figure out what this is. */
/* For now just call it an exit tag since it's only set during Exit or Terminate. */
int64_t exit_tag;
{
KScopedLightLock proc_lk(process->GetStateLock());
exit_tag = process->GetExitTag();
}
*out = exit_tag;
}
break;
default:
R_THROW(svc::ResultInvalidEnumValue());
}
@@ -423,7 +438,9 @@ namespace ams::kern::svc {
/* ============================= 64 ABI ============================= */
void ExitProcess64() {
return ExitProcess();
/* TODO: 23.0.0+ changed the actual SVC handler. */
/* For now just pass the default value for the exit tag. */
return ExitProcess(-1ll);
}
Result GetProcessId64(uint64_t *out_process_id, ams::svc::Handle process_handle) {
@@ -443,7 +460,9 @@ namespace ams::kern::svc {
}
Result TerminateProcess64(ams::svc::Handle process_handle) {
R_RETURN(TerminateProcess(process_handle));
/* TODO: 23.0.0+ changed the actual SVC handler. */
/* For now just pass the default value for the exit tag. */
R_RETURN(TerminateProcess(process_handle, -1ll));
}
Result GetProcessInfo64(int64_t *out_info, ams::svc::Handle process_handle, ams::svc::ProcessInfoType info_type) {
@@ -453,7 +472,9 @@ namespace ams::kern::svc {
/* ============================= 64From32 ABI ============================= */
void ExitProcess64From32() {
return ExitProcess();
/* TODO: 23.0.0+ changed the actual SVC handler. */
/* For now just pass the default value for the exit tag. */
return ExitProcess(-1ll);
}
Result GetProcessId64From32(uint64_t *out_process_id, ams::svc::Handle process_handle) {
@@ -473,7 +494,9 @@ namespace ams::kern::svc {
}
Result TerminateProcess64From32(ams::svc::Handle process_handle) {
R_RETURN(TerminateProcess(process_handle));
/* TODO: 23.0.0+ changed the actual SVC handler. */
/* For now just pass the default value for the exit tag. */
R_RETURN(TerminateProcess(process_handle, -1ll));
}
Result GetProcessInfo64From32(int64_t *out_info, ams::svc::Handle process_handle, ams::svc::ProcessInfoType info_type) {