diff options
Diffstat (limited to 'src/core/hle/kernel/memory/page_heap.h')
| -rw-r--r-- | src/core/hle/kernel/memory/page_heap.h | 48 |
1 files changed, 25 insertions, 23 deletions
diff --git a/src/core/hle/kernel/memory/page_heap.h b/src/core/hle/kernel/memory/page_heap.h index 39ca45ab1..380c3f5a1 100644 --- a/src/core/hle/kernel/memory/page_heap.h +++ b/src/core/hle/kernel/memory/page_heap.h @@ -22,9 +22,10 @@ namespace Kernel::Memory { class PageHeap final : NonCopyable { public: static constexpr s32 GetAlignedBlockIndex(std::size_t num_pages, std::size_t align_pages) { - const std::size_t target_pages{std::max(num_pages, align_pages)}; + const auto target_pages{std::max(num_pages, align_pages)}; for (std::size_t i = 0; i < NumMemoryBlockPageShifts; i++) { - if (target_pages <= (std::size_t(1) << MemoryBlockPageShifts[i]) / PageSize) { + if (target_pages <= + (static_cast<std::size_t>(1) << MemoryBlockPageShifts[i]) / PageSize) { return static_cast<s32>(i); } } @@ -33,7 +34,7 @@ public: static constexpr s32 GetBlockIndex(std::size_t num_pages) { for (s32 i{static_cast<s32>(NumMemoryBlockPageShifts) - 1}; i >= 0; i--) { - if (num_pages >= (std::size_t(1) << MemoryBlockPageShifts[i]) / PageSize) { + if (num_pages >= (static_cast<std::size_t>(1) << MemoryBlockPageShifts[i]) / PageSize) { return i; } } @@ -41,7 +42,7 @@ public: } static constexpr std::size_t GetBlockSize(std::size_t index) { - return std::size_t(1) << MemoryBlockPageShifts[index]; + return static_cast<std::size_t>(1) << MemoryBlockPageShifts[index]; } static constexpr std::size_t GetBlockNumPages(std::size_t index) { @@ -51,7 +52,8 @@ public: private: static constexpr std::size_t NumMemoryBlockPageShifts{7}; static constexpr std::array<std::size_t, NumMemoryBlockPageShifts> MemoryBlockPageShifts{ - 0xC, 0x10, 0x15, 0x16, 0x19, 0x1D, 0x1E}; + 0xC, 0x10, 0x15, 0x16, 0x19, 0x1D, 0x1E, + }; class Block final : NonCopyable { private: @@ -122,13 +124,13 @@ private: constexpr bool ClearRange(std::size_t offset, std::size_t count) { const s32 depth{GetHighestDepthIndex()}; - const std::size_t bit_ind{offset / 64}; + const auto bit_ind{offset / 64}; u64* bits{bit_storages[depth]}; if (count < 64) { - const std::size_t shift{offset % 64}; + const auto shift{offset % 64}; ASSERT(shift + count <= 64); // Check that all the bits are set - const u64 mask{((u64(1) << count) - 1) << shift}; + const u64 mask{((1ULL << count) - 1) << shift}; u64 v{bits[bit_ind]}; if ((v & mask) != mask) { return false; @@ -171,9 +173,9 @@ private: private: constexpr void SetBit(s32 depth, std::size_t offset) { while (depth >= 0) { - const std::size_t ind{offset / 64}; - const std::size_t which{offset % 64}; - const u64 mask{u64(1) << which}; + const auto ind{offset / 64}; + const auto which{offset % 64}; + const u64 mask{1ULL << which}; u64* bit{std::addressof(bit_storages[depth][ind])}; const u64 v{*bit}; @@ -189,9 +191,9 @@ private: constexpr void ClearBit(s32 depth, std::size_t offset) { while (depth >= 0) { - const std::size_t ind{offset / 64}; - const std::size_t which{offset % 64}; - const u64 mask{u64(1) << which}; + const auto ind{offset / 64}; + const auto which{offset % 64}; + const u64 mask{1ULL << which}; u64* bit{std::addressof(bit_storages[depth][ind])}; u64 v{*bit}; @@ -246,7 +248,7 @@ private: return next_block_shift; } constexpr std::size_t GetSize() const { - return std::size_t(1) << GetShift(); + return static_cast<std::size_t>(1) << GetShift(); } constexpr std::size_t GetNumPages() const { return GetSize() / PageSize; @@ -266,13 +268,13 @@ private: // Align up the address VAddr end{addr + size}; - const std::size_t align{(next_block_shift != 0) ? (u64(1) << next_block_shift) - : (u64(1) << block_shift)}; + const auto align{(next_block_shift != 0) ? (1ULL << next_block_shift) + : (1ULL << block_shift)}; addr = Common::AlignDown((addr), align); end = Common::AlignUp((end), align); heap_address = addr; - end_offset = (end - addr) / (u64(1) << block_shift); + end_offset = (end - addr) / (1ULL << block_shift); return bitmap.Initialize(bit_storage, end_offset); } @@ -283,7 +285,7 @@ private: // If we have a next shift, try to clear the blocks below and return the address if (GetNextShift()) { - const std::size_t diff{u64(1) << (GetNextShift() - GetShift())}; + const auto diff{1ULL << (GetNextShift() - GetShift())}; offset = Common::AlignDown(offset, diff); if (bitmap.ClearRange(offset, diff)) { return heap_address + (offset << GetShift()); @@ -300,7 +302,7 @@ private: if (soffset < 0) { return 0; } - const std::size_t offset{static_cast<std::size_t>(soffset)}; + const auto offset{static_cast<std::size_t>(soffset)}; // Update our tracking and return it bitmap.ClearBit(offset); @@ -311,9 +313,9 @@ private: static constexpr std::size_t CalculateMetadataOverheadSize(std::size_t region_size, std::size_t cur_block_shift, std::size_t next_block_shift) { - const std::size_t cur_block_size{(u64(1) << cur_block_shift)}; - const std::size_t next_block_size{(u64(1) << next_block_shift)}; - const std::size_t align{(next_block_shift != 0) ? next_block_size : cur_block_size}; + const auto cur_block_size{(1ULL << cur_block_shift)}; + const auto next_block_size{(1ULL << next_block_shift)}; + const auto align{(next_block_shift != 0) ? next_block_size : cur_block_size}; return Bitmap::CalculateMetadataOverheadSize( (align * 2 + Common::AlignUp(region_size, align)) / cur_block_size); } |