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#pragma once
// User virtual memory region allocator
// This is entirely thread-safe
#include <stdint.h>
#include <stddef.h>
#include <stdbool.h>
#include <syscall.h>
#define PAGE_SIZE 0x1000
#define PAGE_MASK 0xFFFFF000
#define PAGE_ALIGN_DOWN(x) (((size_t)x) & PAGE_MASK)
#define PAGE_ALIGN_UP(x) ((((size_t)x)&(~PAGE_MASK)) == 0 ? ((size_t)x) : (((size_t)x) & PAGE_MASK) + PAGE_SIZE)
struct region_info;
typedef struct region_info {
void* addr;
size_t size;
char* type;
} region_info_t;
void region_allocator_init(void* begin, void* end);
void* region_alloc(size_t size, char* type); // returns 0 on error
region_info_t *find_region(void* addr);
void region_free(void* addr);
void dbg_print_region_info();
/* vim: set ts=4 sw=4 tw=0 noet :*/
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