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kern: update scheduler for 13.0.0 change, fix some ctz/clz bugs

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This commit is contained in:
Michael Scire 2021-10-19 01:20:28 -07:00
parent 42b6c2dd95
commit f3b532070b
9 changed files with 22 additions and 56 deletions
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3
libraries/libmesosphere/include/mesosphere/arch/arm/kern_generic_interrupt_controller.hpp
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@ -248,8 +248,9 @@ namespace ams::kern::arch::arm {
return id;
}
private:
static constexpr size_t PriorityShift = BITSIZEOF(u8) - __builtin_ctz(NumPriorityLevels);
static constexpr size_t PriorityShift = BITSIZEOF(u8) - util::CountTrailingZeros(NumPriorityLevels);
static_assert(PriorityShift < BITSIZEOF(u8));
static_assert(util::IsPowerOfTwo(NumPriorityLevels));
static constexpr ALWAYS_INLINE u8 ToGicPriorityValue(s32 level) {
return (level << PriorityShift) | ((1 << PriorityShift) - 1);

3
libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_page_table_impl.hpp
View file

@ -42,10 +42,11 @@ namespace ams::kern::arch::arm64 {
const L3PageTableEntry *l3_entry;
};
private:
static constexpr size_t PageBits = __builtin_ctzll(PageSize);
static constexpr size_t PageBits = util::CountTrailingZeros(PageSize);
static constexpr size_t NumLevels = 3;
static constexpr size_t LevelBits = 9;
static_assert(NumLevels > 0);
static_assert(PageBits == 12);
template<size_t Offset, size_t Count>
static constexpr ALWAYS_INLINE u64 GetBits(u64 value) {