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_pml4(vka_t *vka, vka_object_t *result)
20{
21    return vka_alloc_object(vka, kobject_get_type(KOBJECT_PML4, 0), seL4_PML4Bits, result);
22}
23
24static inline int vka_alloc_pdpt(vka_t *vka, vka_object_t *result)
25{
26    return vka_alloc_object(vka, kobject_get_type(KOBJECT_PDPT, 0), seL4_PDPTBits, result);
27}
28
29LEAKY(pml4)
30LEAKY(pdpt)
31
32static inline int vka_alloc_vspace_root(vka_t *vka, vka_object_t *result)
33{
34    return vka_alloc_pml4(vka, result);
35}
36
37static inline unsigned long
38vka_x86_mode_get_object_size(seL4_Word objectType)
39{
40    switch (objectType) {
41    case seL4_X64_HugePageObject:
42        return seL4_HugePageBits;
43    case seL4_X86_PDPTObject:
44        return seL4_PDPTBits;
45    case seL4_X64_PML4Object:
46        return seL4_PML4Bits;
47    default:
48        /* Unknown object type. */
49        ZF_LOGE("Unknown object type %ld", (long)objectType);
50        return -1;
51    }
52}
53
54