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kern: SvcGetThreadCoreMask, SvcSetThreadCoreMask

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This commit is contained in:
Michael Scire 2020-07-23 01:25:59 -07:00 • committed by SciresM
parent c622539b95
commit 23eed522d3
3 changed files with 117 additions and 5 deletions
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48
libraries/libmesosphere/source/svc/kern_svc_thread.cpp
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@ -145,6 +145,46 @@ namespace ams::kern::svc {
return ResultSuccess();
}
Result GetThreadCoreMask(int32_t *out_core_id, uint64_t *out_affinity_mask, ams::svc::Handle thread_handle) {
/* Get the thread from its handle. */
KScopedAutoObject thread = GetCurrentProcess().GetHandleTable().GetObject<KThread>(thread_handle);
R_UNLESS(thread.IsNotNull(), svc::ResultInvalidHandle());
/* Get the core mask. */
R_TRY(thread->GetCoreMask(out_core_id, out_affinity_mask));
return ResultSuccess();
}
Result SetThreadCoreMask(ams::svc::Handle thread_handle, int32_t core_id, uint64_t affinity_mask) {
/* Determine the core id/affinity mask. */
if (core_id == ams::svc::IdealCoreUseProcessValue) {
core_id = GetCurrentProcess().GetIdealCoreId();
affinity_mask = (1ul << core_id);
} else {
/* Validate the affinity mask. */
const u64 process_core_mask = GetCurrentProcess().GetCoreMask();
R_UNLESS((affinity_mask | process_core_mask) == process_core_mask, svc::ResultInvalidCoreId());
R_UNLESS(affinity_mask != 0, svc::ResultInvalidCombination());
/* Validate the core id. */
if (IsValidCoreId(core_id)) {
R_UNLESS(((1ul << core_id) & affinity_mask) != 0, svc::ResultInvalidCombination());
} else {
R_UNLESS(core_id == ams::svc::IdealCoreNoUpdate || core_id == ams::svc::IdealCoreDontCare, svc::ResultInvalidCoreId());
}
}
/* Get the thread from its handle. */
KScopedAutoObject thread = GetCurrentProcess().GetHandleTable().GetObject<KThread>(thread_handle);
R_UNLESS(thread.IsNotNull(), svc::ResultInvalidHandle());
/* Set the core mask. */
R_TRY(thread->SetCoreMask(core_id, affinity_mask));
return ResultSuccess();
}
Result GetThreadId(uint64_t *out_thread_id, ams::svc::Handle thread_handle) {
/* Get the thread from its handle. */
KScopedAutoObject thread = GetCurrentProcess().GetHandleTable().GetObject<KThread>(thread_handle);
@ -184,11 +224,11 @@ namespace ams::kern::svc {
}
Result GetThreadCoreMask64(int32_t *out_core_id, uint64_t *out_affinity_mask, ams::svc::Handle thread_handle) {
MESOSPHERE_PANIC("Stubbed SvcGetThreadCoreMask64 was called.");
return GetThreadCoreMask(out_core_id, out_affinity_mask, thread_handle);
}
Result SetThreadCoreMask64(ams::svc::Handle thread_handle, int32_t core_id, uint64_t affinity_mask) {
MESOSPHERE_PANIC("Stubbed SvcSetThreadCoreMask64 was called.");
return SetThreadCoreMask(thread_handle, core_id, affinity_mask);
}
Result GetThreadId64(uint64_t *out_thread_id, ams::svc::Handle thread_handle) {
@ -238,11 +278,11 @@ namespace ams::kern::svc {
}
Result GetThreadCoreMask64From32(int32_t *out_core_id, uint64_t *out_affinity_mask, ams::svc::Handle thread_handle) {
MESOSPHERE_PANIC("Stubbed SvcGetThreadCoreMask64From32 was called.");
return GetThreadCoreMask(out_core_id, out_affinity_mask, thread_handle);
}
Result SetThreadCoreMask64From32(ams::svc::Handle thread_handle, int32_t core_id, uint64_t affinity_mask) {
MESOSPHERE_PANIC("Stubbed SvcSetThreadCoreMask64From32 was called.");
return SetThreadCoreMask(thread_handle, core_id, affinity_mask);
}
Result GetThreadId64From32(uint64_t *out_thread_id, ams::svc::Handle thread_handle) {