//
// Created by rick on 4-10-23.
//

#include <stdint.h>
#include <stdio.h>
#include <yak/rt/panic.h>

#include <yak/rt/core/mem/memmap.h>

#define MEMMAP_ENTRIES 64


typedef struct {
    uintptr_t address;
    size_t length;
    uint8_t type;
} mmap_entry;
mmap_entry memmap[MEMMAP_ENTRIES] = {0};

void memmap_put_entry(uintptr_t address, size_t length, uint8_t type) {
    if (type == MMAP_TYPE_UNDEFINED || type > MMAP_LAST_TYPE) {
        panic("Bad memory type");
    }
    if ((address & 0xFFF) != 0) {
        printf("MMap entry %8lx is not page aligned\n", address);
    }
    if (length % 4096 != 0) {
        printf("MMap entry %8lx not a full page %8lx\n", address, length);
    }

    for (int i = 0; i < MEMMAP_ENTRIES; ++i) {
        if (memmap[i].type == 0) {
            memmap[i].address = address;
            memmap[i].length = length;
            memmap[i].type = type;
            return;
        }
    }
    panic("No space left in memory map");
}