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[Zion] Call invlpg when unmapping memory.

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This commit is contained in:
Drew Galbraith 2023-12-05 15:53:42 -08:00
parent 0b9f83b321
commit 1f8085f791
4 changed files with 27 additions and 9 deletions
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12
zion/memory/paging_util.cpp
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@ -81,12 +81,6 @@ uint64_t PagePhysIfResident(uint64_t cr3, uint64_t virt) {
uint64_t Pml4Index(uint64_t addr) { return (addr >> PML_OFFSET) & 0x1FF; }
uint64_t CurrCr3() {
uint64_t pml4_addr = 0;
asm volatile("mov %%cr3, %0;" : "=r"(pml4_addr));
return pml4_addr;
}
void CleanupPageStructure(uint64_t struct_phys, uint64_t level) {
uint64_t* struct_virtual =
reinterpret_cast<uint64_t*>(boot::GetHigherHalfDirectMap() + struct_phys);
@ -104,6 +98,12 @@ void CleanupPageStructure(uint64_t struct_phys, uint64_t level) {
} // namespace
uint64_t CurrCr3() {
uint64_t pml4_addr = 0;
asm volatile("mov %%cr3, %0;" : "=r"(pml4_addr));
return pml4_addr;
}
void InitializePml4(uint64_t pml4_physical_addr) {
uint64_t* pml4_virtual = reinterpret_cast<uint64_t*>(
boot::GetHigherHalfDirectMap() + pml4_physical_addr);

2
zion/memory/paging_util.h
View file

@ -4,6 +4,8 @@
#include "object/process.h"
uint64_t CurrCr3();
void InitializePml4(uint64_t pml4_physical_addr);
void CleanupPml4(uint64_t pml4_physical_addr);