#include <stdio.h>
#include <sys/mman.h>
#include "vm.h"

/* amount of memory to allocate for system RAM in megabytes */
#define SIMULATED_MEMORY_MB 16

#define MEMPTR(offset) ((void *)((uintptr_t)system_memory) + (offset))

int main(int argc, const char **argv)
{
	printf("Hello, world!\n");

	void *system_memory = mmap(
			NULL,
			SIMULATED_MEMORY_MB * 0x100000,
			PROT_READ | PROT_WRITE,
			MAP_PRIVATE | MAP_ANONYMOUS,
			-1, 0);

	if (system_memory == MAP_FAILED) {
		perror("mmap");
		fprintf(stderr, "cannot allocated simulated system RAM buffer\n");
		return -1;
	}

	munmap(system_memory, SIMULATED_MEMORY_MB * 0x100000);
	return 0;
}