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kern: fix support for virtual core IDs

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This commit is contained in:
Michael Scire 2021-02-05 14:59:03 -08:00
parent 846cc0b47a
commit 621520c30b
5 changed files with 29 additions and 16 deletions
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11
libraries/libmesosphere/source/kern_k_capabilities.cpp
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@ -22,7 +22,7 @@ namespace ams::kern {
/* Most fields have already been cleared by our constructor. */
/* Initial processes may run on all cores. */
m_core_mask = (1ul << cpu::NumCores) - 1;
m_core_mask = cpu::VirtualCoreMask;
/* Initial processes may use any user priority they like. */
m_priority_mask = ~0xFul;
@ -55,18 +55,17 @@ namespace ams::kern {
const auto max_prio = cap.Get<CorePriority::LowestThreadPriority>();
const auto min_prio = cap.Get<CorePriority::HighestThreadPriority>();
R_UNLESS(min_core <= max_core, svc::ResultInvalidCombination());
R_UNLESS(min_prio <= max_prio, svc::ResultInvalidCombination());
R_UNLESS(max_core < cpu::NumCores, svc::ResultInvalidCoreId());
R_UNLESS(min_core <= max_core, svc::ResultInvalidCombination());
R_UNLESS(min_prio <= max_prio, svc::ResultInvalidCombination());
R_UNLESS(max_core < cpu::NumVirtualCores, svc::ResultInvalidCoreId());
MESOSPHERE_ASSERT(max_core < BITSIZEOF(u64));
MESOSPHERE_ASSERT(max_prio < BITSIZEOF(u64));
/* Set core mask. */
for (auto core_id = min_core; core_id <= max_core; core_id++) {
m_core_mask |= (1ul << core_id);
}
MESOSPHERE_ASSERT((m_core_mask & ((1ul << cpu::NumCores) - 1)) == m_core_mask);
MESOSPHERE_ASSERT((m_core_mask & cpu::VirtualCoreMask) == m_core_mask);
/* Set priority mask. */
for (auto prio = min_prio; prio <= max_prio; prio++) {