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wip: frame_allocator with multiboot zones

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0x35c
2024-11-18 15:12:46 +01:00
parent d8d31d959f
commit e8fd6c55eb
4 changed files with 70 additions and 0 deletions
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9
headers/memory.h
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@ -21,6 +21,14 @@
#define GET_PAGE_ADDR(pd_index, pt_index) \
((((uint32_t)pd_index * 1024) + (uint32_t)pt_index) * 4096)
struct frame_zone {
void *addr;
uint32_t *frame_table;
uint32_t size;
uint32_t remaining_frames;
struct frame_zone *next;
};
extern uint32_t _kernel_end;
extern uint32_t boot_page_directory;
extern uint32_t *page_directory;
@ -28,6 +36,7 @@ extern uint32_t page_table_default[1024];
extern uint32_t mem_size;
extern multiboot_memory_map_t *mmap_addr;
extern multiboot_uint32_t mmap_length;
extern struct frame_zone *head;
uint32_t *virt_to_phys(uint32_t *virt_addr);
void init_memory(multiboot_info_t *mbd, uint32_t magic);