1/*
2 * Copyright 2017, Data61
3 * Commonwealth Scientific and Industrial Research Organisation (CSIRO)
4 * ABN 41 687 119 230.
5 *
6 * This software may be distributed and modified according to the terms of
7 * the BSD 2-Clause license. Note that NO WARRANTY is provided.
8 * See "LICENSE_BSD2.txt" for details.
9 *
10 * @TAG(DATA61_BSD)
11 */
12
13#pragma once
14
15#include <vka/vka.h>
16#include <vka/kobject_t.h>
17#include <utils/util.h>
18
19static inline int vka_alloc_pdpt(vka_t *vka, vka_object_t *result)
20{
21    return vka_alloc_object(vka, kobject_get_type(KOBJECT_PDPT, 0), seL4_PDPTBits, result);
22}
23
24LEAKY(pdpt)
25
26static inline unsigned long
27vka_x86_mode_get_object_size(seL4_Word objectType)
28{
29    switch (objectType) {
30    case seL4_IA32_PDPTObject:
31        return seL4_PDPTBits;
32    default:
33        /* Unknown object type. */
34        ZF_LOGE("Unknown object type %ld", (long)objectType);
35        return -1;
36    }
37}
38
39static inline int vka_alloc_vspace_root(vka_t *vka, vka_object_t *result)
40{
41#ifdef CONFIG_PAE_PAGING
42    return vka_alloc_pdpt(vka, result);
43#else
44    return vka_alloc_page_directory(vka, result);
45#endif
46}
47
48