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Add TODO on reserve

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Daniel R. 2024-07-10 19:41:03 +02:00
parent 7a83b74d3e
commit e531c77fe0
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2 changed files with 8 additions and 5 deletions
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7
src/core/memory.cpp
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@ -87,6 +87,7 @@ int MemoryManager::Reserve(void** out_addr, VAddr virtual_addr, size_t size, Mem
u64 alignment) { u64 alignment) {
std::scoped_lock lk{mutex}; std::scoped_lock lk{mutex};
// TODO: Search for free space if virtual_addr is zero
virtual_addr = (virtual_addr == 0) ? impl.VirtualBase() : virtual_addr; virtual_addr = (virtual_addr == 0) ? impl.VirtualBase() : virtual_addr;
VAddr mapped_addr = alignment > 0 ? Common::AlignUp(virtual_addr, alignment) : virtual_addr; VAddr mapped_addr = alignment > 0 ? Common::AlignUp(virtual_addr, alignment) : virtual_addr;
@ -188,7 +189,8 @@ int MemoryManager::MapFile(void** out_addr, VAddr virtual_addr, size_t size, Mem
if (True(flags & MemoryMapFlags::Fixed)) { if (True(flags & MemoryMapFlags::Fixed)) {
const auto& vma = FindVMA(virtual_addr)->second; const auto& vma = FindVMA(virtual_addr)->second;
const size_t remaining_size = vma.base + vma.size - virtual_addr; const size_t remaining_size = vma.base + vma.size - virtual_addr;
ASSERT_MSG((vma.type == VMAType::Free || vma.type == VMAType::Reserved) && remaining_size >= size); ASSERT_MSG((vma.type == VMAType::Free || vma.type == VMAType::Reserved) &&
remaining_size >= size);
mapped_addr = virtual_addr; mapped_addr = virtual_addr;
} }
@ -338,7 +340,8 @@ VirtualMemoryArea& MemoryManager::AddMapping(VAddr virtual_addr, size_t size) {
ASSERT_MSG(vma_handle != vma_map.end(), "Virtual address not in vm_map"); ASSERT_MSG(vma_handle != vma_map.end(), "Virtual address not in vm_map");
const VirtualMemoryArea& vma = vma_handle->second; const VirtualMemoryArea& vma = vma_handle->second;
ASSERT_MSG((vma.type == VMAType::Free || vma.type == VMAType::Reserved) && vma.base <= virtual_addr, ASSERT_MSG((vma.type == VMAType::Free || vma.type == VMAType::Reserved) &&
vma.base <= virtual_addr,
"Adding a mapping to already mapped region"); "Adding a mapping to already mapped region");
const VAddr start_in_vma = virtual_addr - vma.base; const VAddr start_in_vma = virtual_addr - vma.base;