From cbaf3fb433a351f7d9509f17f88d4896ba66afd1 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Thu, 11 Nov 2021 21:24:40 +0100 Subject: VideoCore: Update MemoryManager --- src/common/multi_level_page_table.inc | 7 +++---- 1 file changed, 3 insertions(+), 4 deletions(-) (limited to 'src/common/multi_level_page_table.inc') diff --git a/src/common/multi_level_page_table.inc b/src/common/multi_level_page_table.inc index a75e61f9d..7fbcb908a 100644 --- a/src/common/multi_level_page_table.inc +++ b/src/common/multi_level_page_table.inc @@ -20,7 +20,7 @@ MultiLevelPageTable::MultiLevelPageTable(std::size_t address_space_bit : address_space_bits{address_space_bits_}, first_level_bits{first_level_bits_}, page_bits{page_bits_} { first_level_shift = address_space_bits - first_level_bits; - first_level_chunk_size = 1ULL << (first_level_shift - page_bits); + first_level_chunk_size = (1ULL << (first_level_shift - page_bits)) * sizeof(BaseAddr); alloc_size = (1ULL << (address_space_bits - page_bits)) * sizeof(BaseAddr); std::size_t first_level_size = 1ULL << first_level_bits; first_level_map.resize(first_level_size, nullptr); @@ -53,8 +53,7 @@ MultiLevelPageTable::~MultiLevelPageTable() noexcept { template void MultiLevelPageTable::ReserveRange(u64 start, std::size_t size) { const u64 new_start = start >> first_level_shift; - const u64 new_end = - (start + size + (first_level_chunk_size << page_bits) - 1) >> first_level_shift; + const u64 new_end = (start + size) >> first_level_shift; for (u64 i = new_start; i <= new_end; i++) { if (!first_level_map[i]) { AllocateLevel(i); @@ -64,7 +63,7 @@ void MultiLevelPageTable::ReserveRange(u64 start, std::size_t size) { template void MultiLevelPageTable::AllocateLevel(u64 level) { - void* ptr = reinterpret_cast(base_ptr) + level * first_level_chunk_size; + void* ptr = reinterpret_cast(base_ptr) + level * first_level_chunk_size; #ifdef _WIN32 void* base{VirtualAlloc(ptr, first_level_chunk_size, MEM_COMMIT, PAGE_READWRITE)}; #else -- cgit v1.2.3