diff options
Diffstat (limited to 'src/core')
| -rw-r--r-- | src/core/hle/kernel/k_page_table.cpp | 45 | ||||
| -rw-r--r-- | src/core/hle/kernel/k_page_table.h | 7 |
2 files changed, 40 insertions, 12 deletions
diff --git a/src/core/hle/kernel/k_page_table.cpp b/src/core/hle/kernel/k_page_table.cpp index 4d564a04f..ebc540316 100644 --- a/src/core/hle/kernel/k_page_table.cpp +++ b/src/core/hle/kernel/k_page_table.cpp @@ -3280,21 +3280,16 @@ Result KPageTable::CheckMemoryStateContiguous(size_t* out_blocks_needed, KProces Result KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm, KMemoryAttribute* out_attr, size_t* out_blocks_needed, - KProcessAddress addr, size_t size, KMemoryState state_mask, + KMemoryBlockManager::const_iterator it, + KProcessAddress last_addr, KMemoryState state_mask, KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm, KMemoryAttribute attr_mask, KMemoryAttribute attr, KMemoryAttribute ignore_attr) const { ASSERT(this->IsLockedByCurrentThread()); // Get information about the first block. - const KProcessAddress last_addr = addr + size - 1; - KMemoryBlockManager::const_iterator it = m_memory_block_manager.FindIterator(addr); KMemoryInfo info = it->GetMemoryInfo(); - // If the start address isn't aligned, we need a block. - const size_t blocks_for_start_align = - (Common::AlignDown(GetInteger(addr), PageSize) != info.GetAddress()) ? 1 : 0; - // Validate all blocks in the range have correct state. const KMemoryState first_state = info.m_state; const KMemoryPermission first_perm = info.m_permission; @@ -3320,10 +3315,6 @@ Result KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* info = it->GetMemoryInfo(); } - // If the end address isn't aligned, we need a block. - const size_t blocks_for_end_align = - (Common::AlignUp(GetInteger(addr) + size, PageSize) != info.GetEndAddress()) ? 1 : 0; - // Write output state. if (out_state != nullptr) { *out_state = first_state; @@ -3334,9 +3325,39 @@ Result KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* if (out_attr != nullptr) { *out_attr = static_cast<KMemoryAttribute>(first_attr & ~ignore_attr); } + + // If the end address isn't aligned, we need a block. if (out_blocks_needed != nullptr) { - *out_blocks_needed = blocks_for_start_align + blocks_for_end_align; + const size_t blocks_for_end_align = + (Common::AlignDown(GetInteger(last_addr), PageSize) + PageSize != info.GetEndAddress()) + ? 1 + : 0; + *out_blocks_needed = blocks_for_end_align; + } + + R_SUCCEED(); +} + +Result KPageTable::CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm, + KMemoryAttribute* out_attr, size_t* out_blocks_needed, + KProcessAddress addr, size_t size, KMemoryState state_mask, + KMemoryState state, KMemoryPermission perm_mask, + KMemoryPermission perm, KMemoryAttribute attr_mask, + KMemoryAttribute attr, KMemoryAttribute ignore_attr) const { + ASSERT(this->IsLockedByCurrentThread()); + + // Check memory state. + const KProcessAddress last_addr = addr + size - 1; + KMemoryBlockManager::const_iterator it = m_memory_block_manager.FindIterator(addr); + R_TRY(this->CheckMemoryState(out_state, out_perm, out_attr, out_blocks_needed, it, last_addr, + state_mask, state, perm_mask, perm, attr_mask, attr, ignore_attr)); + + // If the start address isn't aligned, we need a block. + if (out_blocks_needed != nullptr && + Common::AlignDown(GetInteger(addr), PageSize) != it->GetAddress()) { + ++(*out_blocks_needed); } + R_SUCCEED(); } diff --git a/src/core/hle/kernel/k_page_table.h b/src/core/hle/kernel/k_page_table.h index af12582d9..e69498f02 100644 --- a/src/core/hle/kernel/k_page_table.h +++ b/src/core/hle/kernel/k_page_table.h @@ -263,6 +263,13 @@ private: KMemoryAttribute attr_mask, KMemoryAttribute attr) const; Result CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm, KMemoryAttribute* out_attr, size_t* out_blocks_needed, + KMemoryBlockManager::const_iterator it, KProcessAddress last_addr, + KMemoryState state_mask, KMemoryState state, + KMemoryPermission perm_mask, KMemoryPermission perm, + KMemoryAttribute attr_mask, KMemoryAttribute attr, + KMemoryAttribute ignore_attr = DefaultMemoryIgnoreAttr) const; + Result CheckMemoryState(KMemoryState* out_state, KMemoryPermission* out_perm, + KMemoryAttribute* out_attr, size_t* out_blocks_needed, KProcessAddress addr, size_t size, KMemoryState state_mask, KMemoryState state, KMemoryPermission perm_mask, KMemoryPermission perm, KMemoryAttribute attr_mask, KMemoryAttribute attr, |