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alloc_stack ok (HHDM mapped from mmap)

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xamidev
2026-02-05 21:18:21 +01:00
parent 7bb542d901
commit 7f997f6611
9 changed files with 110 additions and 43 deletions
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9
src/mem/paging/paging.h
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@@ -6,8 +6,9 @@
#include <stdint.h>
#include <limine.h>
#include "mem/heap/kheap.h"
void paging_init(struct limine_kernel_address_response* kaddr, struct limine_framebuffer* fb);
void paging_init();
void paging_map_page(uint64_t* root_table, uint64_t virt, uint64_t phys, uint64_t flags);
extern uint64_t hhdm_off;
@@ -15,10 +16,14 @@ extern uint64_t hhdm_off;
#define PHYS_TO_VIRT(x) ((void*)((uintptr_t)(x) + hhdm_off))
#define VIRT_TO_PHYS(x) ((uintptr_t)(x) - hhdm_off)
#define PTE_ADDR_MASK 0x000FFFFFFFFFF000
// Stole it
#define ALIGN_UP(x, align) (((x) + ((align) - 1)) & ~((align) - 1))
#define ALIGN_DOWN(x, align) ((x) & ~((align) - 1))
#define PAGE_ALIGN_DOWN(x) ((x) & ~0xFFFULL)
#define PAGE_ALIGN_DOWN(x) ((x) & PTE_ADDR_MASK)
#define ALIGN(size) ALIGN_UP(size, 16)
#define BLOCK_MIN_SIZE (sizeof(struct heap_block_t) + 16)
#define PML4_INDEX(x) (((x) >> 39) & 0x1FF)
#define PDPT_INDEX(x) (((x) >> 30) & 0x1FF)