562 lines
18 KiB
C
562 lines
18 KiB
C
/*
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* Copyright (c) 2013-2019 Huawei Technologies Co., Ltd. All rights reserved.
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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*
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* 1. Redistributions of source code must retain the above copyright notice, this list of
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* conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright notice, this list
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* of conditions and the following disclaimer in the documentation and/or other materials
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* provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its contributors may be used
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* to endorse or promote products derived from this software without specific prior written
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* permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "los_base.h"
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#include "los_typedef.h"
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#include "string.h"
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#if defined(LOSCFG_STORAGE_SPINOR) || defined(LOSCFG_STORAGE_SPINAND)
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#include "mtd_partition.h"
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#endif
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#ifdef LOSCFG_DRIVERS_MMC
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#include "disk.h"
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#endif
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#include "sys/mount.h"
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#ifdef LOSCFG_PLATFORM_ROOTFS
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#include "los_rootfs.h"
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#endif
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#include "mtd_list.h"
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#include "fs/path_cache.h"
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#ifdef LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7
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#include "mtd_partition.h"
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#include "cfiflash.h"
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#define DEV_STORAGE_PATH "/dev/cfiflash1"
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#define SECOND_MTD_PART_NUM 1
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#endif
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#ifdef LOSCFG_STORAGE_SPINOR
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#define DEV_STORAGE_PATH "/dev/spinorblk2"
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#define SECOND_MTD_PART_NUM 2
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#define STORAGE_SIZE 0x80000
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#endif
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#ifdef LOSCFG_STORAGE_SPINAND
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#define DEV_STORAGE_PATH "/dev/nandblk2"
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#define SECOND_MTD_PART_NUM 2
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#define STORAGE_SIZE 0xa00000
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#endif
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#ifdef LOSCFG_STORAGE_EMMC
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#include "ff.h"
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#define STORAGE_SIZE 0x3200000
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STATIC los_disk *g_emmcDisk = NULL;
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#endif
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#ifndef LOSCFG_SECURITY_BOOT
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STATIC INT32 g_alignSize = 0;
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#endif
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#define VFAT_STORAGE_MOUNT_DIR_MODE 0777
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#define DEFAULT_STORAGE_MOUNT_DIR_MODE 0755
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#ifdef LOSCFG_DRIVERS_MMC
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los_disk *GetMmcDisk(UINT8 type)
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{
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const CHAR *mmcDevHead = "/dev/mmcblk";
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for (INT32 diskId = 0; diskId < SYS_MAX_DISK; diskId++) {
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los_disk *disk = get_disk(diskId);
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if (disk == NULL) {
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continue;
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} else if (disk->disk_name == NULL) {
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continue;
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} else if (strncmp(disk->disk_name, mmcDevHead, strlen(mmcDevHead))) {
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continue;
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} else {
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if (disk->type == type) {
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return disk;
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}
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}
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}
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PRINT_ERR("Cannot find the mmc disk!\n");
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return NULL;
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}
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#endif
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#ifdef LOSCFG_STORAGE_EMMC
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struct disk_divide_info *StorageBlockGetEmmc(void);
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struct block_operations *StorageBlockGetMmcOps(void);
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char *StorageBlockGetEmmcNodeName(void *block);
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STATIC const CHAR *AddEmmcRootfsPart(INT32 rootAddr, INT32 rootSize)
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{
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INT32 ret;
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void *block = ((struct drv_data *)g_emmcDisk->dev->data)->priv;
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const char *node_name = StorageBlockGetEmmcNodeName(block);
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if (los_disk_deinit(g_emmcDisk->disk_id) != ENOERR) {
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PRINT_ERR("Failed to deinit emmc disk!\n");
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return NULL;
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}
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struct disk_divide_info *emmc = StorageBlockGetEmmc();
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ret = add_mmc_partition(emmc, rootAddr / EMMC_SEC_SIZE, rootSize / EMMC_SEC_SIZE);
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if (ret != LOS_OK) {
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PRINT_ERR("Failed to add mmc root partition!\n");
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return NULL;
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} else {
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UINT64 storageStartCnt = (rootAddr + rootSize) / EMMC_SEC_SIZE;
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UINT64 storageSizeCnt = STORAGE_SIZE / EMMC_SEC_SIZE;
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UINT64 userdataStartCnt = storageStartCnt + storageSizeCnt;
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UINT64 userdataSizeCnt = g_emmcDisk->sector_count - userdataStartCnt;
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ret = add_mmc_partition(emmc, storageStartCnt, storageSizeCnt);
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if (ret != LOS_OK) {
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PRINT_ERR("Failed to add mmc storage partition!\n");
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}
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ret = add_mmc_partition(emmc, userdataStartCnt, userdataSizeCnt);
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if (ret != LOS_OK) {
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PRINT_ERR("Failed to add mmc userdata partition!\n");
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}
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LOS_Msleep(10); /* waiting for device identification */
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INT32 diskId = los_alloc_diskid_byname(node_name);
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if (diskId < 0) {
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PRINT_ERR("Failed to alloc disk %s!\n", node_name);
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return NULL;
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}
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if (los_disk_init(node_name, StorageBlockGetMmcOps(), block, diskId, emmc) != ENOERR) {
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PRINT_ERR("Failed to init emmc disk!\n");
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return NULL;
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}
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return node_name;
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}
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}
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#endif
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STATIC const CHAR *GetDevName(const CHAR *rootType, INT32 rootAddr, INT32 rootSize)
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{
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const CHAR *rootDev = NULL;
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#if defined(LOSCFG_STORAGE_SPINOR) || defined(LOSCFG_STORAGE_SPINAND)
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INT32 ret;
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if (strcmp(rootType, "flash") == 0) {
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ret = add_mtd_partition(FLASH_TYPE, rootAddr, rootSize, 0);
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if (ret != LOS_OK) {
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PRINT_ERR("Failed to add spinor/spinand root partition!\n");
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} else {
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rootDev = FLASH_DEV_NAME;
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ret = add_mtd_partition(FLASH_TYPE, (rootAddr + rootSize), STORAGE_SIZE, SECOND_MTD_PART_NUM);
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if (ret != LOS_OK) {
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PRINT_ERR("Failed to add spinor/spinand storage partition!\n");
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}
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}
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} else
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#endif
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#ifdef LOSCFG_DRIVERS_USB_MASS_STORAGE
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if (strcmp(rootType, "usb") == 0) {
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rootDev = "/dev/sda";
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} else
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#endif
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#ifdef LOSCFG_DRIVERS_SD
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if (strcmp(rootType, "sdcard") == 0) {
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los_disk *sdDisk = GetMmcDisk(OTHERS);
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if (sdDisk == NULL) {
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PRINT_ERR("Get sdcard failed!\n");
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} else {
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rootDev = sdDisk->disk_name;
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}
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} else
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#endif
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#ifdef LOSCFG_STORAGE_EMMC
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if (strcmp(rootType, "emmc") == 0) {
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rootDev = AddEmmcRootfsPart(rootAddr, rootSize);
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} else
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#endif
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#ifdef LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7
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if (strcmp(rootType, FLASH_TYPE) == 0) {
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INT32 ret;
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if (rootAddr != CFIFLASH_ROOT_ADDR) {
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PRINT_ERR("Error rootAddr, must be %#0x!\n", CFIFLASH_ROOT_ADDR);
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return NULL;
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}
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ret = add_mtd_partition(FLASH_TYPE, rootAddr, rootSize, 0);
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if (ret != LOS_OK) {
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PRINT_ERR("Failed to add %s root partition!\n", FLASH_TYPE);
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} else {
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rootDev = "/dev/cfiflash0";
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ret = add_mtd_partition(FLASH_TYPE, (rootAddr + rootSize),
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CFIFLASH_CAPACITY - rootAddr - rootSize, SECOND_MTD_PART_NUM);
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if (ret != LOS_OK) {
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PRINT_ERR("Failed to add %s storage partition!\n", FLASH_TYPE);
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}
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}
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} else
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#endif
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{
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PRINT_ERR("Failed to find root dev type: %s\n", rootType);
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}
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return rootDev;
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}
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#ifndef LOSCFG_SECURITY_BOOT
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STATIC INT32 GetArgs(CHAR **args)
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{
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#ifdef LOSCFG_BOOTENV_RAM
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*args = OsGetArgsAddr();
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return LOS_OK;
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#else
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INT32 ret;
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INT32 i;
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INT32 len = 0;
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CHAR *cmdLine = NULL;
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CHAR *tmp = NULL;
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const CHAR *bootargName = "bootargs=";
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cmdLine = (CHAR *)malloc(COMMAND_LINE_SIZE);
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if (cmdLine == NULL) {
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PRINT_ERR("Malloc cmdLine space error!\n");
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return LOS_NOK;
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}
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#ifdef LOSCFG_STORAGE_EMMC
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g_emmcDisk = GetMmcDisk(EMMC);
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if (g_emmcDisk == NULL) {
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PRINT_ERR("Get EMMC disk failed!\n");
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goto ERROUT;
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}
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/* param4 is TRUE for not reading large contiguous data */
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ret = los_disk_read(g_emmcDisk->disk_id, cmdLine, COMMAND_LINE_ADDR / EMMC_SEC_SIZE,
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COMMAND_LINE_SIZE / EMMC_SEC_SIZE, TRUE);
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if (ret != 0) {
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PRINT_ERR("Read EMMC command line failed!\n");
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goto ERROUT;
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}
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g_alignSize = EMMC_SEC_SIZE;
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#endif
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#if defined(LOSCFG_STORAGE_SPINOR) || defined(LOSCFG_STORAGE_SPINAND)
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struct MtdDev *mtd = GetMtd(FLASH_TYPE);
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if (mtd == NULL) {
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PRINT_ERR("Get spinor mtd failed!\n");
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goto ERROUT;
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}
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g_alignSize = mtd->eraseSize;
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ret = mtd->read(mtd, COMMAND_LINE_ADDR, COMMAND_LINE_SIZE, cmdLine);
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if (ret != COMMAND_LINE_SIZE) {
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PRINT_ERR("Read spinor command line failed!\n");
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goto ERROUT;
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}
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#endif
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#ifdef LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7
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struct MtdDev *mtd = GetCfiMtdDev();
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if (mtd == NULL) {
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PRINT_ERR("Get CFI mtd failed!\n");
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goto ERROUT;
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}
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g_alignSize = mtd->eraseSize;
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ret = mtd->read(mtd, CFIFLASH_BOOTARGS_ADDR, COMMAND_LINE_SIZE, cmdLine);
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if (ret != COMMAND_LINE_SIZE) {
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PRINT_ERR("Read CFI command line failed!\n");
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goto ERROUT;
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}
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#endif
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for (i = 0; i < COMMAND_LINE_SIZE; i += len + 1) {
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len = strlen(cmdLine + i);
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tmp = strstr(cmdLine + i, bootargName);
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if (tmp != NULL) {
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*args = strdup(tmp + strlen(bootargName));
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if (*args == NULL) {
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goto ERROUT;
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}
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free(cmdLine);
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return LOS_OK;
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}
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}
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PRINT_ERR("Cannot find bootargs!\n");
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ERROUT:
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free(cmdLine);
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return LOS_NOK;
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#endif
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}
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STATIC INT32 MatchRootPos(CHAR *p, const CHAR *rootInfoName, INT32 *rootInfo)
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{
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UINT32 offset;
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CHAR *value = NULL;
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if (strncmp(p, rootInfoName, strlen(rootInfoName)) == 0) {
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value = p + strlen(rootInfoName);
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offset = strspn(value, DEC_NUMBER_STRING);
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if (strcmp(p + strlen(p) - 1, "M") == 0) {
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if ((offset < (strlen(value) - 1)) || (sscanf_s(value, "%d", rootInfo) <= 0)) {
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goto ERROUT;
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}
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*rootInfo = *rootInfo * BYTES_PER_MBYTE;
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} else if (strcmp(p + strlen(p) - 1, "K") == 0) {
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if ((offset < (strlen(value) - 1)) || (sscanf_s(value, "%d", rootInfo) <= 0)) {
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goto ERROUT;
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}
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*rootInfo = *rootInfo * BYTES_PER_KBYTE;
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} else if (sscanf_s(value, "0x%x", rootInfo) > 0) {
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value += strlen("0x");
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if (strspn(value, HEX_NUMBER_STRING) < strlen(value)) {
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goto ERROUT;
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}
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} else {
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goto ERROUT;
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}
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}
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if ((*rootInfo >= 0) && (g_alignSize != 0) && ((UINT32)(*rootInfo) & (UINT32)(g_alignSize - 1))) {
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PRINT_ERR("The bootarg \"%s\" will be 0x%x aligned!\n", p, g_alignSize);
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}
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return LOS_OK;
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ERROUT:
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PRINT_ERR("Invalid bootarg \"%s\"!\n", p);
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return LOS_NOK;
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}
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STATIC INT32 MatchRootInfo(CHAR *p, CHAR **rootType, CHAR **fsType, INT32 *rootAddr, INT32 *rootSize)
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{
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const CHAR *rootName = "root=";
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const CHAR *fsName = "fstype=";
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const CHAR *rootAddrName = "rootaddr=";
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const CHAR *rootSizeName = "rootsize=";
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if ((*rootType == NULL) && (strncmp(p, rootName, strlen(rootName)) == 0)) {
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*rootType = strdup(p + strlen(rootName));
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if (*rootType == NULL) {
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return LOS_NOK;
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}
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return LOS_OK;
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}
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if ((*fsType == NULL) && (strncmp(p, fsName, strlen(fsName)) == 0)) {
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*fsType = strdup(p + strlen(fsName));
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if (*fsType == NULL) {
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return LOS_NOK;
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}
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return LOS_OK;
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}
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if (*rootAddr < 0) {
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if (MatchRootPos(p, rootAddrName, rootAddr) != LOS_OK) {
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return LOS_NOK;
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} else if (*rootAddr >= 0) {
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return LOS_OK;
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}
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}
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if (*rootSize < 0) {
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if (MatchRootPos(p, rootSizeName, rootSize) != LOS_OK) {
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return LOS_NOK;
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}
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}
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return LOS_OK;
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}
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STATIC INT32 GetRootType(CHAR **rootType, CHAR **fsType, INT32 *rootAddr, INT32 *rootSize)
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{
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CHAR *args = NULL;
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CHAR *p = NULL;
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if (GetArgs(&args) != LOS_OK) {
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PRINT_ERR("Cannot get bootargs!\n");
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return LOS_NOK;
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}
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#ifndef LOSCFG_BOOTENV_RAM
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CHAR *argsBak = NULL;
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argsBak = args;
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#endif
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p = strsep(&args, " ");
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while (p != NULL) {
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if (MatchRootInfo(p, rootType, fsType, rootAddr, rootSize) != LOS_OK) {
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goto ERROUT;
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}
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p = strsep(&args, " ");
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}
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if ((*fsType != NULL) && (*rootType != NULL)) {
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#ifndef LOSCFG_BOOTENV_RAM
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free(argsBak);
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#endif
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return LOS_OK;
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}
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ERROUT:
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PRINT_ERR("Invalid rootfs information!\n");
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if (*rootType != NULL) {
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free(*rootType);
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*rootType = NULL;
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}
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if (*fsType != NULL) {
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free(*fsType);
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*fsType = NULL;
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}
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#ifndef LOSCFG_BOOTENV_RAM
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free(argsBak);
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#endif
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return LOS_NOK;
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}
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#endif
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#ifdef LOSCFG_STORAGE_EMMC
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STATIC VOID OsMountUserdata(const CHAR *fsType)
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{
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INT32 ret;
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INT32 err;
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const CHAR *userdataDir = "/userdata";
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ret = mkdir(userdataDir, VFAT_STORAGE_MOUNT_DIR_MODE);
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if ((ret != LOS_OK) && ((err = get_errno()) != EEXIST)) {
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PRINT_ERR("Failed to mkdir /userdata, errno %d: %s\n", err, strerror(err));
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return;
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}
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CHAR emmcUserdataDev[DISK_NAME] = {0};
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if (snprintf_s(emmcUserdataDev, sizeof(emmcUserdataDev), sizeof(emmcUserdataDev) - 1,
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"%s%s", g_emmcDisk->disk_name, "p2") < 0) {
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PRINT_ERR("Failed to get emmc userdata dev name!\n");
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return;
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}
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ret = mount(emmcUserdataDev, userdataDir, fsType, 0, "umask=000");
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if (ret == LOS_OK) {
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return;
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}
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err = get_errno();
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if (err == ENOTSUP) {
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#ifdef LOSCFG_FS_FAT
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ret = format(emmcUserdataDev, 0, FM_FAT32);
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if (ret != LOS_OK) {
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PRINT_ERR("Failed to format %s\n", emmcUserdataDev);
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return;
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}
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#endif
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ret = mount(emmcUserdataDev, userdataDir, fsType, 0, "umask=000");
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if (ret != LOS_OK) {
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err = get_errno();
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PRINT_ERR("Failed to mount /userdata, errno %d: %s\n", err, strerror(err));
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}
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} else {
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PRINT_ERR("Failed to mount /userdata, errno %d: %s\n", err, strerror(err));
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}
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return;
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}
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#endif
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STATIC INT32 OsMountRootfsAndUserfs(const CHAR *rootDev, const CHAR *fsType)
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{
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INT32 ret;
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INT32 err;
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if (strcmp(fsType, "vfat") == 0) {
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ret = mount(rootDev, "/", fsType, MS_RDONLY, NULL);
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if (ret != LOS_OK) {
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err = get_errno();
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PRINT_ERR("Failed to mount vfat rootfs, errno %d: %s\n", err, strerror(err));
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return ret;
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}
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#ifdef LOSCFG_STORAGE_EMMC
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ret = mkdir("/storage", VFAT_STORAGE_MOUNT_DIR_MODE);
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if ((ret != LOS_OK) && ((err = get_errno()) != EEXIST)) {
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PRINT_ERR("Failed to mkdir /storage, errno %d: %s\n", err, strerror(err));
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|
return ret;
|
|
} else {
|
|
CHAR emmcStorageDev[DISK_NAME] = {0};
|
|
if (snprintf_s(emmcStorageDev, sizeof(emmcStorageDev), sizeof(emmcStorageDev) - 1,
|
|
"%s%s", g_emmcDisk->disk_name, "p1") < 0) {
|
|
PRINT_ERR("Failed to get emmc storage dev name!\n");
|
|
} else {
|
|
ret = mount(emmcStorageDev, "/storage", fsType, 0, "umask=000");
|
|
if (ret != LOS_OK) {
|
|
err = get_errno();
|
|
PRINT_ERR("Failed to mount /storage, errno %d: %s\n", err, strerror(err));
|
|
}
|
|
}
|
|
}
|
|
OsMountUserdata(fsType);
|
|
#endif
|
|
} else {
|
|
ret = mount(rootDev, "/", fsType, MS_RDONLY, NULL);
|
|
if (ret != LOS_OK) {
|
|
err = get_errno();
|
|
PRINT_ERR("Failed to mount rootfs,rootDev %s, errno %d: %s\n", rootDev, err, strerror(err));
|
|
return ret;
|
|
}
|
|
#if defined(LOSCFG_STORAGE_SPINOR) || defined(LOSCFG_STORAGE_SPINAND) || defined(LOSCFG_PLATFORM_QEMU_ARM_VIRT_CA7)
|
|
ret = mkdir("/storage", DEFAULT_STORAGE_MOUNT_DIR_MODE);
|
|
if ((ret != LOS_OK) && ((err = get_errno()) != EEXIST)) {
|
|
PRINT_ERR("Failed to mkdir /storage, errno %d: %s\n", err, strerror(err));
|
|
return ret;
|
|
} else {
|
|
ret = mount(DEV_STORAGE_PATH, "/storage", fsType, 0, NULL);
|
|
if (ret != LOS_OK) {
|
|
err = get_errno();
|
|
PRINT_ERR("Failed to mount /storage, errno %d: %s\n", err, strerror(err));
|
|
}
|
|
}
|
|
#endif
|
|
}
|
|
return LOS_OK;
|
|
}
|
|
|
|
INT32 OsMountRootfs(VOID)
|
|
{
|
|
INT32 ret = LOS_OK;
|
|
INT32 err;
|
|
INT32 rootAddr = -1;
|
|
INT32 rootSize = -1;
|
|
CHAR *rootType = NULL;
|
|
CHAR *fsType = NULL;
|
|
const CHAR *rootDev = NULL;
|
|
|
|
#ifdef LOSCFG_SECURITY_BOOT
|
|
rootType = strdup(ROOTFS_ROOT_TYPE);
|
|
fsType = strdup(ROOTFS_FS_TYPE);
|
|
rootAddr = ROOTFS_FLASH_ADDR;
|
|
rootSize = ROOTFS_FLASH_SIZE;
|
|
#else
|
|
ret = GetRootType(&rootType, &fsType, &rootAddr, &rootSize);
|
|
if (ret != LOS_OK) {
|
|
return ret;
|
|
}
|
|
rootAddr = (rootAddr >= 0) ? rootAddr : ROOTFS_FLASH_ADDR;
|
|
rootSize = (rootSize >= 0) ? rootSize : ROOTFS_FLASH_SIZE;
|
|
#endif
|
|
|
|
rootDev = GetDevName(rootType, rootAddr, rootSize);
|
|
if (rootDev != NULL) {
|
|
ret = OsMountRootfsAndUserfs(rootDev, fsType);
|
|
if (ret != LOS_OK) {
|
|
err = get_errno();
|
|
PRINT_ERR("Failed to mount rootfs, errno %d: %s\n", err, strerror(err));
|
|
}
|
|
}
|
|
|
|
free(rootType);
|
|
free(fsType);
|
|
return ret;
|
|
}
|