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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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9
zion/syscall/memory_object.cpp
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@ -14,7 +14,8 @@ z_err_t MemoryObjectCreate(ZMemoryObjectCreateReq* req) {
z_err_t MemoryObjectCreatePhysical(ZMemoryObjectCreatePhysicalReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
uint64_t paddr = req->paddr;
auto vmmo_ref = glcr::MakeRefCounted<FixedMemoryObject>(paddr, req->size);
auto vmmo_ref =
glcr::MakeRefCounted<FixedMemoryObject>(paddr, req->size, false);
*req->vmmo_cap =
curr_proc.AddNewCapability(StaticCastRefPtr<MemoryObject>(vmmo_ref));
return glcr::OK;
@ -22,8 +23,10 @@ z_err_t MemoryObjectCreatePhysical(ZMemoryObjectCreatePhysicalReq* req) {
z_err_t MemoryObjectCreateContiguous(ZMemoryObjectCreateContiguousReq* req) {
auto& curr_proc = gScheduler->CurrentProcess();
uint64_t paddr = phys_mem::AllocateContinuous(((req->size - 1) / 0x1000) + 1);
auto vmmo_ref = glcr::MakeRefCounted<FixedMemoryObject>(paddr, req->size);
uint64_t num_pages = ((req->size - 1) / 0x1000) + 1;
uint64_t paddr = phys_mem::AllocateContinuous(num_pages);
auto vmmo_ref =
glcr::MakeRefCounted<FixedMemoryObject>(paddr, req->size, true);
*req->vmmo_cap =
curr_proc.AddNewCapability(StaticCastRefPtr<MemoryObject>(vmmo_ref));
*req->paddr = paddr;