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wip: multiple pds and switch to kernel pd when needed

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0x35c
2025-02-10 13:25:19 +01:00
parent 8dd5373e7f
commit 5e561bfa15
9 changed files with 41 additions and 27 deletions
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headers/memory.h
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@ -46,7 +46,8 @@ extern uint32_t _kernel_end;
extern uint32_t _kernel_start;
extern uint32_t boot_page_directory;
extern uint32_t boot_page_table1;
extern uint32_t *page_directory;
extern uint32_t *kernel_pd;
extern uint32_t *current_pd;
extern uint32_t page_table_default[1024];
extern uint32_t mem_size;
extern multiboot_memory_map_t *mmap_addr;
@ -62,3 +63,4 @@ void *alloc_pages(size_t size, void **phys_addr);
int free_pages(void *page_ptr, size_t size);
void init_page_table(uint32_t page_table[1024], uint16_t start);
int16_t add_page_table(uint16_t pd_index);
void switch_pd(uint32_t *pd, uint32_t *cr3);