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 <sel4/types.h>
16#include <assert.h>
17#include <autoconf.h>
18#include <sel4vka/gen_config.h>
19#include <utils/util.h>
20
21enum _arm_mode_kobject_type {
22    KOBJECT_FRAME = 0,
23    KOBJECT_MODE_NUM_TYPES,
24};
25
26typedef int kobject_t;
27
28/*
29 * Get the size (in bits) of the untyped memory required to
30 * create an object of the given size
31 */
32static inline seL4_Word arm_mode_kobject_get_size(kobject_t type, seL4_Word objectSize)
33{
34    switch (type) {
35    /* ARM-specific frames. */
36    case KOBJECT_FRAME:
37        switch (objectSize) {
38        case seL4_SectionBits:
39        case seL4_SuperSectionBits:
40            return objectSize;
41        default:
42            return 0;
43        }
44    default:
45        /* Unknown object type. */
46        ZF_LOGE("Unknown object type");
47        return 0;
48    }
49}
50
51static inline seL4_Word arm_mode_kobject_get_type(kobject_t type, seL4_Word objectSize)
52{
53    switch (type) {
54    case KOBJECT_FRAME:
55        switch (objectSize) {
56        case seL4_SectionBits:
57            return seL4_ARM_SectionObject;
58        case seL4_SuperSectionBits:
59            return seL4_ARM_SuperSectionObject;
60        default:
61            return -1;
62        }
63    default:
64        /* Unknown object type. */
65        ZF_LOGE("Unknown object type");
66        return -1;
67    }
68}
69
70