From b0da7e4262c128ba2355a4b07806bd19aa67701f Mon Sep 17 00:00:00 2001 From: Lioncash Date: Wed, 24 Jul 2019 07:40:02 -0400 Subject: kernel/vm_manager: Move variables closer to usage spots in MapPhysicalMemory/UnmapPhysicalMemory Narrows the scope of variables down to where they're only necessary. --- src/core/hle/kernel/vm_manager.cpp | 26 ++++++++++---------------- 1 file changed, 10 insertions(+), 16 deletions(-) (limited to 'src/core/hle/kernel') diff --git a/src/core/hle/kernel/vm_manager.cpp b/src/core/hle/kernel/vm_manager.cpp index 6ec4159ca..c7af87073 100644 --- a/src/core/hle/kernel/vm_manager.cpp +++ b/src/core/hle/kernel/vm_manager.cpp @@ -296,12 +296,6 @@ ResultVal VMManager::SetHeapSize(u64 size) { } ResultCode VMManager::MapPhysicalMemory(VAddr target, u64 size) { - const auto end_addr = target + size; - const auto last_addr = end_addr - 1; - VAddr cur_addr = target; - - ResultCode result = RESULT_SUCCESS; - // Check how much memory we've already mapped. const auto mapped_size_result = SizeOfAllocatedVMAsInRange(target, size); if (mapped_size_result.Failed()) { @@ -324,10 +318,13 @@ ResultCode VMManager::MapPhysicalMemory(VAddr target, u64 size) { // Keep track of the memory regions we unmap. std::vector> mapped_regions; + ResultCode result = RESULT_SUCCESS; // Iterate, trying to map memory. { - cur_addr = target; + const auto end_addr = target + size; + const auto last_addr = end_addr - 1; + VAddr cur_addr = target; auto iter = FindVMA(target); ASSERT(iter != vma_map.end()); @@ -381,12 +378,6 @@ ResultCode VMManager::MapPhysicalMemory(VAddr target, u64 size) { } ResultCode VMManager::UnmapPhysicalMemory(VAddr target, u64 size) { - const auto end_addr = target + size; - const auto last_addr = end_addr - 1; - VAddr cur_addr = target; - - ResultCode result = RESULT_SUCCESS; - // Check how much memory is currently mapped. const auto mapped_size_result = SizeOfUnmappablePhysicalMemoryInRange(target, size); if (mapped_size_result.Failed()) { @@ -401,10 +392,13 @@ ResultCode VMManager::UnmapPhysicalMemory(VAddr target, u64 size) { // Keep track of the memory regions we unmap. std::vector> unmapped_regions; + ResultCode result = RESULT_SUCCESS; // Try to unmap regions. { - cur_addr = target; + const auto end_addr = target + size; + const auto last_addr = end_addr - 1; + VAddr cur_addr = target; auto iter = FindVMA(target); ASSERT(iter != vma_map.end()); @@ -443,8 +437,8 @@ ResultCode VMManager::UnmapPhysicalMemory(VAddr target, u64 size) { if (result.IsError()) { for (const auto [map_address, map_size] : unmapped_regions) { const auto remap_res = - MapMemoryBlock(map_address, std::make_shared(map_size), 0, - map_size, MemoryState::Heap, VMAPermission::None); + MapMemoryBlock(map_address, std::make_shared(map_size), 0, map_size, + MemoryState::Heap, VMAPermission::None); ASSERT_MSG(remap_res.Succeeded(), "Failed to remap a memory block."); } -- cgit v1.2.3