#include <libk/std.h>
#include <mm/pmm.h>
#include <proc/mem.h>
#include <proc/proc.h>
#include <proc/resource.h>
#include <sync/spin_lock.h>

bool proc_create_resource_mem (struct proc_resource_mem* mem, struct proc_resource_mem_init* init) {
  if (init->pages == 0)
    return false;

  if (init->managed) {
    mem->paddr = init->paddr;
    mem->managed = true;
  } else {
    uintptr_t paddr = pmm_alloc (init->pages);
    if (paddr == PMM_ALLOC_ERR)
      return false;
    mem->paddr = paddr;
    mem->managed = false;
  }

  mem->pages = mem->alive_pages = init->pages;

  return true;
}

void proc_cleanup_resource_mem (struct proc* proc, struct proc_resource* resource) {
  (void)proc;

  if (!resource->u.mem.managed)
    pmm_free (resource->u.mem.paddr, resource->u.mem.pages);
}