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[Zion] Actually free memory pages when a MemoryObject goes out of scope

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This commit is contained in:
Drew Galbraith 2023-11-19 21:37:30 -08:00
parent 344e84c313
commit 4d1846a7d5
8 changed files with 63 additions and 21 deletions
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17
zion/object/memory_object.cpp
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@ -20,7 +20,13 @@ MemoryObject::MemoryObject(uint64_t size) : size_(size) {
}
}
MemoryObject::~MemoryObject() { dbgln("Memory Object Freed"); }
MemoryObject::~MemoryObject() {
for (uint64_t page : phys_page_list_) {
if (page != 0) {
phys_mem::FreePage(page);
}
}
}
uint64_t MemoryObject::PhysicalPageAtOffset(uint64_t offset) {
if (offset > size_) {
@ -70,6 +76,12 @@ uint64_t MemoryObject::PageNumberToPhysAddr(uint64_t page_num) {
return *iter;
}
FixedMemoryObject::~FixedMemoryObject() {
if (should_free_) {
phys_mem::FreePages(physical_addr_, num_pages());
}
}
glcr::ErrorOr<glcr::RefPtr<MemoryObject>> FixedMemoryObject::Duplicate(
uint64_t offset, uint64_t length) {
if (offset + length > size()) {
@ -77,5 +89,6 @@ glcr::ErrorOr<glcr::RefPtr<MemoryObject>> FixedMemoryObject::Duplicate(
}
return glcr::StaticCastRefPtr<MemoryObject>(
glcr::MakeRefCounted<FixedMemoryObject>(physical_addr_ + offset, length));
glcr::MakeRefCounted<FixedMemoryObject>(physical_addr_ + offset, length,
false));
}