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add r/w option to map

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This commit is contained in:
Eggert Jung
2026-02-25 14:52:38 +01:00
parent b958e9461e
commit 71186f5601
2 changed files with 3 additions and 3 deletions
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4
kernel/memory/pagetable.cc
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@@ -160,7 +160,7 @@ void* getFreeVirtSpace(four_lvl_paging_t* search_table, uint8_t num_pages){
}
void setMapping(uintptr_t vaddr, void* frame, four_lvl_paging_t* flpt){
void setMapping(uintptr_t vaddr, void* frame, four_lvl_paging_t* flpt, bool write){
uint16_t l4Index = (vaddr>>39) & 0x1FF;
uint16_t l3Index = (vaddr>>30) & 0x1FF;
uint16_t l2Index = (vaddr>>21) & 0x1FF;
@@ -195,7 +195,7 @@ void setMapping(uintptr_t vaddr, void* frame, four_lvl_paging_t* flpt){
memset(newl1, 0, 4096);
lvl2->entries[l2Index] = {
.present = 1,
.write = 1,
.write = write,
.user = 1,
.address = (uintptr_t)newl1 >> 12
};