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[Zion] Separate Memory "Views" to a separate MemoryObject.

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This commit is contained in:
Drew Galbraith 2023-11-19 23:22:56 -08:00
parent a8ad225cf1
commit 12ca4e4e89
4 changed files with 35 additions and 16 deletions
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9
zion/object/memory_object.cpp
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@ -72,18 +72,15 @@ uint64_t VariableMemoryObject::PageNumberToPhysAddr(uint64_t page_num) {
}
FixedMemoryObject::~FixedMemoryObject() {
if (should_free_) {
phys_mem::FreePages(physical_addr_, num_pages());
}
phys_mem::FreePages(physical_addr_, num_pages());
}
glcr::ErrorOr<glcr::RefPtr<MemoryObject>> FixedMemoryObject::Duplicate(
glcr::ErrorOr<glcr::RefPtr<MemoryObject>> ViewMemoryObject::Duplicate(
uint64_t offset, uint64_t length) {
if (offset + length > size()) {
return glcr::INVALID_ARGUMENT;
}
return glcr::StaticCastRefPtr<MemoryObject>(
glcr::MakeRefCounted<FixedMemoryObject>(physical_addr_ + offset, length,
false));
glcr::MakeRefCounted<ViewMemoryObject>(physical_addr_ + offset, length));
}