D:/COBE-Packet/cobe/system/pmm.h

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#ifndef PMM_H
#define PMM_H

#include <stdint.h>

//MULTIBOOT HEADER       by FreeSoft
typedef struct elf_section_header_table {
    unsigned long num;
    unsigned long size;
    unsigned long addr;
    unsigned long shndx;
} elf_section_header_table_t;

 typedef struct aout_symbol_table {
    unsigned long tabsize;
    unsigned long strsize;
    unsigned long addr;
    unsigned long reserved;
} aout_symbol_table_t;

typedef struct multiboot_info {
    unsigned long flags;
    unsigned long mem_lower;
    unsigned long mem_upper;
    unsigned long boot_device;
    unsigned long cmdline;
    unsigned long mods_count;
    unsigned long mods_addr;
    union
    {
                aout_symbol_table_t aout_sym;
                elf_section_header_table_t elf_sec;
    } u;
    unsigned long mmap_length;
    unsigned long mmap_addr;
    } multiboot_info_t;
        
typedef struct module {
    unsigned long mod_start;
    unsigned long mod_end;
    unsigned long string;
    unsigned long reserved;
} module_t;

typedef struct memory_map_struct {
        uint32_t size;
        uint64_t base;
        uint64_t length;
        uint32_t type;
} __attribute__((packed)) memory_map_t;

void init_pmm(multiboot_info_t*);
void* pmm_alloc();
void pmm_free(void*);
void pmm_mark_used(void*);

#endif