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loader: use BitPack for caps

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This commit is contained in:
Michael Scire 2020-01-02 03:13:40 -08:00
parent f3a31bd948
commit 6ccef5308c
1 changed files with 11 additions and 5 deletions
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14
libvapours/include/vapours/util/util_bitpack.hpp
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@ -33,7 +33,11 @@ namespace ams::util {
static_assert(0 < Count && Count <= BITSIZEOF(IntegralStorageType)); static_assert(0 < Count && Count <= BITSIZEOF(IntegralStorageType));
static_assert(Index + Count <= BITSIZEOF(IntegralStorageType)); static_assert(Index + Count <= BITSIZEOF(IntegralStorageType));
if constexpr (Count == BITSIZEOF(IntegralStorageType)) {
return ~IntegralStorageType(0);
} else {
return ((IntegralStorageType(1) << Count) - 1) << Index; return ((IntegralStorageType(1) << Count) - 1) << Index;
}
}(); }();
public: public:
template<size_t _Index, size_t _Count, typename T> template<size_t _Index, size_t _Count, typename T>
@ -52,6 +56,8 @@ namespace ams::util {
private: private:
IntegralStorageType value; IntegralStorageType value;
public: public:
constexpr ALWAYS_INLINE BitPack(IntegralStorageType v) : value(v) { /* ... */ }
constexpr ALWAYS_INLINE void Clear() { constexpr ALWAYS_INLINE void Clear() {
constexpr IntegralStorageType Zero = IntegralStorageType(0); constexpr IntegralStorageType Zero = IntegralStorageType(0);
this->value = Zero; this->value = Zero;
@ -79,9 +85,9 @@ namespace ams::util {
using BitPack32 = impl::BitPack<u32>; using BitPack32 = impl::BitPack<u32>;
using BitPack64 = impl::BitPack<u64>; using BitPack64 = impl::BitPack<u64>;
static_assert(std::is_pod<BitPack8 >::value); static_assert(std::is_trivially_destructible<BitPack8 >::value);
static_assert(std::is_pod<BitPack16>::value); static_assert(std::is_trivially_destructible<BitPack16>::value);
static_assert(std::is_pod<BitPack32>::value); static_assert(std::is_trivially_destructible<BitPack32>::value);
static_assert(std::is_pod<BitPack64>::value); static_assert(std::is_trivially_destructible<BitPack64>::value);
} }