xref: /device/qemu/arm_virt/liteos_a/board/platform.c (revision d6aed566) 
1/*
2 * Copyright (c) 2020-2021 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 *     http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16#include "asm/platform.h"
17#include "asm/io.h"
18#include "soc/sys_ctrl.h"
19#include "los_typedef.h"
20#include "los_hwi.h"
21#include "los_task_pri.h"
22#include "los_spinlock.h"
23#ifdef LOSCFG_DRIVERS_RANDOM
24#include "soc/random.h"
25#endif
26#include "los_vm_map.h"
27#include "los_vm_zone.h"
28#include "los_vm_boot.h"
29#include "los_mmu_descriptor_v6.h"
30
31UINT32 OsRandomStackGuard(VOID)
32{
33#ifdef LOSCFG_DRIVERS_RANDOM
34    UINT32 stackGuard = 0;
35
36    HiRandomHwInit();
37    (VOID)HiRandomHwGetInteger(&stackGuard);
38    HiRandomHwDeinit();
39    return stackGuard;
40#else
41    return 0;
42#endif
43}
44
45void OsReboot(void)
46{
47    writel(0xffffffff, (SYS_CTRL_REG_BASE + REG_SC_SYSRES));
48}
49
50void InitRebootHook(void)
51{
52    OsSetRebootHook(OsReboot);
53}
54
55#ifdef LOSCFG_KERNEL_MMU
56LosArchMmuInitMapping g_archMmuInitMapping[] = {
57    {
58        .phys = SYS_MEM_BASE,
59        .virt = KERNEL_VMM_BASE,
60        .size = KERNEL_VMM_SIZE,
61        .flags = MMU_DESCRIPTOR_KERNEL_L1_PTE_FLAGS,
62        .name = "KernelCached",
63    },
64    {
65        .phys = SYS_MEM_BASE,
66        .virt = UNCACHED_VMM_BASE,
67        .size = UNCACHED_VMM_SIZE,
68        .flags = MMU_INITIAL_MAP_NORMAL_NOCACHE,
69        .name = "KernelUncached",
70    },
71    {
72        .phys = PERIPH_PMM_BASE,
73        .virt = PERIPH_DEVICE_BASE,
74        .size = PERIPH_DEVICE_SIZE,
75        .flags = MMU_INITIAL_MAP_DEVICE,
76        .name = "PeriphDevice",
77    },
78    {
79        .phys = PERIPH_PMM_BASE,
80        .virt = PERIPH_CACHED_BASE,
81        .size = PERIPH_CACHED_SIZE,
82        .flags = MMU_DESCRIPTOR_KERNEL_L1_PTE_FLAGS,
83        .name = "PeriphCached",
84    },
85    {
86        .phys = PERIPH_PMM_BASE,
87        .virt = PERIPH_UNCACHED_BASE,
88        .size = PERIPH_UNCACHED_SIZE,
89        .flags = MMU_INITIAL_MAP_STRONGLY_ORDERED,
90        .name = "PeriphStronglyOrdered",
91    },
92    {0}
93};
94#endif
95