505 lines
16 KiB
C
505 lines
16 KiB
C
/*
|
|
* Copyright (c) 2013-2019, Huawei Technologies Co., Ltd. All rights reserved.
|
|
* Copyright (c) 2020, Huawei Device Co., Ltd. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without modification,
|
|
* are permitted provided that the following conditions are met:
|
|
*
|
|
* 1. Redistributions of source code must retain the above copyright notice, this list of
|
|
* conditions and the following disclaimer.
|
|
*
|
|
* 2. Redistributions in binary form must reproduce the above copyright notice, this list
|
|
* of conditions and the following disclaimer in the documentation and/or other materials
|
|
* provided with the distribution.
|
|
*
|
|
* 3. Neither the name of the copyright holder nor the names of its contributors may be used
|
|
* to endorse or promote products derived from this software without specific prior written
|
|
* permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
|
|
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
|
|
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
|
|
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
|
|
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
|
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
|
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
|
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
|
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
|
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
#include "los_base.h"
|
|
#include "los_typedef.h"
|
|
#include "string.h"
|
|
#ifdef LOSCFG_PLATFORM_HI3518EV300
|
|
#include "mtd_partition.h"
|
|
#endif
|
|
#ifdef LOSCFG_DRIVERS_MMC
|
|
#include "mmc/block.h"
|
|
#include "disk.h"
|
|
#include "ff.h"
|
|
#endif
|
|
#include "sys/mount.h"
|
|
#include "inode/inode.h"
|
|
#ifdef LOSCFG_PLATFORM_ROOTFS
|
|
#include "los_rootfs.h"
|
|
#endif
|
|
#include "mtd_list.h"
|
|
|
|
#ifdef LOSCFG_PLATFORM_HI3518EV300
|
|
#define DEV_STORAGE_PATH "/dev/spinorblk2"
|
|
#define SECOND_MTD_PART_NUM 2
|
|
#define STORAGE_SIZE 0x100000
|
|
#endif
|
|
|
|
#ifdef __cplusplus
|
|
#if __cplusplus
|
|
extern "C" {
|
|
#endif /* __cplusplus */
|
|
#endif /* __cplusplus */
|
|
|
|
#ifdef LOSCFG_PLATFORM_HI3516DV300
|
|
#define STORAGE_SIZE 0x3200000
|
|
STATIC los_disk *g_emmcDisk = NULL;
|
|
#endif
|
|
|
|
#ifndef LOSCFG_SECURITY_BOOT
|
|
STATIC INT32 g_alignSize = 0;
|
|
#endif
|
|
|
|
#define VFAT_STORAGE_MOUNT_DIR_MODE 777
|
|
#define DEFAULT_STORAGE_MOUNT_DIR_MODE 755
|
|
|
|
#ifdef LOSCFG_DRIVERS_MMC
|
|
los_disk *GetMmcDisk(UINT8 type)
|
|
{
|
|
const CHAR *mmcDevHead = "/dev/mmcblk";
|
|
|
|
for (INT32 diskId = 0; diskId < SYS_MAX_DISK; diskId++) {
|
|
los_disk *disk = get_disk(diskId);
|
|
if (disk == NULL) {
|
|
continue;
|
|
} else if (disk->disk_name == NULL) {
|
|
continue;
|
|
} else if (strncmp(disk->disk_name, mmcDevHead, strlen(mmcDevHead))) {
|
|
continue;
|
|
} else {
|
|
if (disk->type == type) {
|
|
return disk;
|
|
}
|
|
}
|
|
}
|
|
PRINT_ERR("Cannot find the mmc disk!\n");
|
|
return NULL;
|
|
}
|
|
#endif
|
|
|
|
#ifdef LOSCFG_PLATFORM_HI3516DV300
|
|
STATIC const CHAR *AddEmmcRootfsPart(INT32 rootAddr, INT32 rootSize)
|
|
{
|
|
INT32 ret;
|
|
|
|
struct mmc_block *block = g_emmcDisk->dev->i_private;
|
|
const char *node_name = mmc_block_get_node_name(block);
|
|
if (los_disk_deinit(g_emmcDisk->disk_id) != ENOERR) {
|
|
PRINT_ERR("Failed to deinit emmc disk!\n");
|
|
return NULL;
|
|
}
|
|
|
|
struct disk_divide_info *emmc = get_emmc();
|
|
ret = add_mmc_partition(emmc, rootAddr / EMMC_SEC_SIZE, rootSize / EMMC_SEC_SIZE);
|
|
if (ret != LOS_OK) {
|
|
PRINT_ERR("Failed to add mmc root partition!\n");
|
|
return NULL;
|
|
} else {
|
|
UINT64 storageStartCnt = (rootAddr + rootSize) / EMMC_SEC_SIZE;
|
|
UINT64 storageSizeCnt = STORAGE_SIZE / EMMC_SEC_SIZE;
|
|
UINT64 userdataStartCnt = storageStartCnt + storageSizeCnt;
|
|
UINT64 userdataSizeCnt = g_emmcDisk->sector_count - userdataStartCnt;
|
|
ret = add_mmc_partition(emmc, storageStartCnt, storageSizeCnt);
|
|
if (ret != LOS_OK) {
|
|
PRINT_ERR("Failed to add mmc storage partition!\n");
|
|
}
|
|
ret = add_mmc_partition(emmc, userdataStartCnt, userdataSizeCnt);
|
|
if (ret != LOS_OK) {
|
|
PRINT_ERR("Failed to add mmc userdata partition!\n");
|
|
}
|
|
LOS_Msleep(10); /* waiting for device identification */
|
|
INT32 diskId = los_alloc_diskid_byname(node_name);
|
|
if (diskId < 0) {
|
|
PRINT_ERR("Failed to alloc disk %s!\n", node_name);
|
|
return NULL;
|
|
}
|
|
if (los_disk_init(node_name, mmc_block_get_bops(block), (void *)block, diskId, emmc) != ENOERR) {
|
|
PRINT_ERR("Failed to init emmc disk!\n");
|
|
return NULL;
|
|
}
|
|
return node_name;
|
|
}
|
|
}
|
|
#endif
|
|
|
|
STATIC const CHAR *GetDevName(const CHAR *rootType, INT32 rootAddr, INT32 rootSize)
|
|
{
|
|
const CHAR *rootDev = NULL;
|
|
|
|
#ifdef LOSCFG_PLATFORM_HI3518EV300
|
|
INT32 ret;
|
|
if (strcmp(rootType, "flash") == 0) {
|
|
ret = add_mtd_partition(FLASH_TYPE, rootAddr, rootSize, 0);
|
|
if (ret != LOS_OK) {
|
|
PRINT_ERR("Failed to add spinor root partition!\n");
|
|
} else {
|
|
rootDev = FLASH_DEV_NAME;
|
|
ret = add_mtd_partition(FLASH_TYPE, (rootAddr + rootSize), STORAGE_SIZE, SECOND_MTD_PART_NUM);
|
|
if (ret != LOS_OK) {
|
|
PRINT_ERR("Failed to add spinor storage partition!\n");
|
|
}
|
|
}
|
|
} else
|
|
#endif
|
|
|
|
#ifdef LOSCFG_DRIVERS_USB_MASS_STORAGE
|
|
if (strcmp(rootType, "usb") == 0) {
|
|
rootDev = "/dev/sda";
|
|
} else
|
|
#endif
|
|
|
|
#ifdef LOSCFG_DRIVERS_SD
|
|
if (strcmp(rootType, "sdcard") == 0) {
|
|
los_disk *sdDisk = GetMmcDisk(OTHERS);
|
|
if (sdDisk == NULL) {
|
|
PRINT_ERR("Get sdcard failed!\n");
|
|
} else {
|
|
rootDev = sdDisk->disk_name;
|
|
}
|
|
} else
|
|
#endif
|
|
|
|
#ifdef LOSCFG_PLATFORM_HI3516DV300
|
|
if (strcmp(rootType, "emmc") == 0) {
|
|
rootDev = AddEmmcRootfsPart(rootAddr, rootSize);
|
|
} else
|
|
#endif
|
|
{
|
|
PRINT_ERR("Failed to find root dev type: %s\n", rootType);
|
|
}
|
|
return rootDev;
|
|
}
|
|
|
|
#ifndef LOSCFG_SECURITY_BOOT
|
|
STATIC INT32 GetArgs(CHAR **args)
|
|
{
|
|
INT32 ret;
|
|
INT32 i;
|
|
INT32 len = 0;
|
|
CHAR *cmdLine = NULL;
|
|
CHAR *tmp = NULL;
|
|
const CHAR *bootargName = "bootargs=";
|
|
|
|
cmdLine = (CHAR *)malloc(COMMAND_LINE_SIZE);
|
|
if (cmdLine == NULL) {
|
|
PRINT_ERR("Malloc cmdLine space error!\n");
|
|
return LOS_NOK;
|
|
}
|
|
|
|
#ifdef LOSCFG_PLATFORM_HI3516DV300
|
|
g_emmcDisk = GetMmcDisk(EMMC);
|
|
if (g_emmcDisk == NULL) {
|
|
PRINT_ERR("Get EMMC disk failed!\n");
|
|
goto ERROUT;
|
|
}
|
|
ret = los_disk_read(g_emmcDisk->disk_id, cmdLine, COMMAND_LINE_ADDR / EMMC_SEC_SIZE,
|
|
COMMAND_LINE_SIZE / EMMC_SEC_SIZE);
|
|
if (ret != 0) {
|
|
PRINT_ERR("Read EMMC command line failed!\n");
|
|
goto ERROUT;
|
|
}
|
|
g_alignSize = EMMC_SEC_SIZE;
|
|
#endif
|
|
|
|
#ifdef LOSCFG_PLATFORM_HI3518EV300
|
|
struct MtdDev *mtd = GetMtd(FLASH_TYPE);
|
|
if (mtd == NULL) {
|
|
PRINT_ERR("Get spinor mtd failed!\n");
|
|
goto ERROUT;
|
|
}
|
|
g_alignSize = mtd->eraseSize;
|
|
ret = mtd->read(mtd, COMMAND_LINE_ADDR, COMMAND_LINE_SIZE, cmdLine);
|
|
if (ret != COMMAND_LINE_SIZE) {
|
|
PRINT_ERR("Read spinor command line failed!\n");
|
|
goto ERROUT;
|
|
}
|
|
#endif
|
|
|
|
for (i = 0; i < COMMAND_LINE_SIZE; i += len + 1) {
|
|
len = strlen(cmdLine + i);
|
|
tmp = strstr(cmdLine + i, bootargName);
|
|
if (tmp != NULL) {
|
|
*args = strdup(tmp + strlen(bootargName));
|
|
if (*args == NULL) {
|
|
goto ERROUT;
|
|
}
|
|
free(cmdLine);
|
|
return LOS_OK;
|
|
}
|
|
}
|
|
PRINT_ERR("Cannot find bootargs!\n");
|
|
|
|
ERROUT:
|
|
free(cmdLine);
|
|
return LOS_NOK;
|
|
}
|
|
|
|
STATIC INT32 MatchRootPos(CHAR *p, const CHAR *rootInfoName, INT32 *rootInfo)
|
|
{
|
|
UINT32 offset;
|
|
CHAR *value = NULL;
|
|
|
|
if (strncmp(p, rootInfoName, strlen(rootInfoName)) == 0) {
|
|
value = p + strlen(rootInfoName);
|
|
offset = strspn(value, DEC_NUMBER_STRING);
|
|
if (strcmp(p + strlen(p) - 1, "M") == 0) {
|
|
if ((offset < (strlen(value) - 1)) || (sscanf_s(value, "%d", rootInfo) <= 0)) {
|
|
goto ERROUT;
|
|
}
|
|
*rootInfo = *rootInfo * BYTES_PER_MBYTE;
|
|
} else if (strcmp(p + strlen(p) - 1, "K") == 0) {
|
|
if ((offset < (strlen(value) - 1)) || (sscanf_s(value, "%d", rootInfo) <= 0)) {
|
|
goto ERROUT;
|
|
}
|
|
*rootInfo = *rootInfo * BYTES_PER_KBYTE;
|
|
} else if (sscanf_s(value, "0x%x", rootInfo) > 0) {
|
|
value += strlen("0x");
|
|
if (strspn(value, HEX_NUMBER_STRING) < strlen(value)) {
|
|
goto ERROUT;
|
|
}
|
|
} else {
|
|
goto ERROUT;
|
|
}
|
|
}
|
|
|
|
if ((*rootInfo >= 0) && (g_alignSize != 0) && ((UINT32)(*rootInfo) & (UINT32)(g_alignSize - 1))) {
|
|
PRINT_ERR("The bootarg \"%s\" will be 0x%x aligned!\n", p, g_alignSize);
|
|
}
|
|
return LOS_OK;
|
|
|
|
ERROUT:
|
|
PRINT_ERR("Invalid bootarg \"%s\"!\n", p);
|
|
return LOS_NOK;
|
|
}
|
|
|
|
STATIC INT32 MatchRootInfo(CHAR *p, CHAR **rootType, CHAR **fsType, INT32 *rootAddr, INT32 *rootSize)
|
|
{
|
|
const CHAR *rootName = "root=";
|
|
const CHAR *fsName = "fstype=";
|
|
const CHAR *rootAddrName = "rootaddr=";
|
|
const CHAR *rootSizeName = "rootsize=";
|
|
|
|
if ((*rootType == NULL) && (strncmp(p, rootName, strlen(rootName)) == 0)) {
|
|
*rootType = strdup(p + strlen(rootName));
|
|
if (*rootType == NULL) {
|
|
return LOS_NOK;
|
|
}
|
|
return LOS_OK;
|
|
}
|
|
|
|
if ((*fsType == NULL) && (strncmp(p, fsName, strlen(fsName)) == 0)) {
|
|
*fsType = strdup(p + strlen(fsName));
|
|
if (*fsType == NULL) {
|
|
return LOS_NOK;
|
|
}
|
|
return LOS_OK;
|
|
}
|
|
|
|
if (*rootAddr < 0) {
|
|
if (MatchRootPos(p, rootAddrName, rootAddr) != LOS_OK) {
|
|
return LOS_NOK;
|
|
} else if (*rootAddr >= 0) {
|
|
return LOS_OK;
|
|
}
|
|
}
|
|
|
|
if (*rootSize < 0) {
|
|
if (MatchRootPos(p, rootSizeName, rootSize) != LOS_OK) {
|
|
return LOS_NOK;
|
|
}
|
|
}
|
|
|
|
return LOS_OK;
|
|
}
|
|
|
|
STATIC INT32 GetRootType(CHAR **rootType, CHAR **fsType, INT32 *rootAddr, INT32 *rootSize)
|
|
{
|
|
CHAR *args = NULL;
|
|
CHAR *argsBak = NULL;
|
|
CHAR *p = NULL;
|
|
|
|
if (GetArgs(&args) != LOS_OK) {
|
|
PRINT_ERR("Cannot get bootargs!\n");
|
|
return LOS_NOK;
|
|
}
|
|
argsBak = args;
|
|
|
|
p = strsep(&args, " ");
|
|
while (p != NULL) {
|
|
if (MatchRootInfo(p, rootType, fsType, rootAddr, rootSize) != LOS_OK) {
|
|
goto ERROUT;
|
|
}
|
|
p = strsep(&args, " ");
|
|
}
|
|
if ((*fsType != NULL) && (*rootType != NULL)) {
|
|
free(argsBak);
|
|
return LOS_OK;
|
|
}
|
|
|
|
ERROUT:
|
|
PRINT_ERR("Invalid rootfs information!\n");
|
|
if (*rootType != NULL) {
|
|
free(*rootType);
|
|
*rootType = NULL;
|
|
}
|
|
if (*fsType != NULL) {
|
|
free(*fsType);
|
|
*fsType = NULL;
|
|
}
|
|
free(argsBak);
|
|
return LOS_NOK;
|
|
}
|
|
#endif
|
|
|
|
#ifdef LOSCFG_PLATFORM_HI3516DV300
|
|
STATIC VOID OsMountUserdata(const CHAR *fsType)
|
|
{
|
|
INT32 ret;
|
|
INT32 err;
|
|
const CHAR *userdataDir = "/userdata";
|
|
ret = mkdir(userdataDir, VFAT_STORAGE_MOUNT_DIR_MODE);
|
|
if (ret != LOS_OK) {
|
|
err = get_errno();
|
|
PRINT_ERR("Failed to reserve inode /userdata, errno %d: %s\n", err, strerror(err));
|
|
return;
|
|
}
|
|
CHAR emmcUserdataDev[DISK_NAME] = {0};
|
|
if (snprintf_s(emmcUserdataDev, sizeof(emmcUserdataDev), sizeof(emmcUserdataDev) - 1,
|
|
"%s%s", g_emmcDisk->disk_name, "p2") < 0) {
|
|
PRINT_ERR("Failed to get emmc userdata dev name!\n");
|
|
return;
|
|
}
|
|
ret = mount(emmcUserdataDev, userdataDir, fsType, 0, "umask=000");
|
|
if (ret == LOS_OK) {
|
|
return;
|
|
}
|
|
err = get_errno();
|
|
if (err == ENOENT) {
|
|
ret = format(emmcUserdataDev, 0, FM_FAT32);
|
|
if (ret != LOS_OK) {
|
|
PRINT_ERR("Failed to format %s\n", emmcUserdataDev);
|
|
return;
|
|
}
|
|
ret = mount(emmcUserdataDev, userdataDir, fsType, 0, "umask=000");
|
|
if (ret != LOS_OK) {
|
|
err = get_errno();
|
|
PRINT_ERR("Failed to mount /userdata, errno %d: %s\n", err, strerror(err));
|
|
}
|
|
} else {
|
|
PRINT_ERR("Failed to mount /userdata, errno %d: %s\n", err, strerror(err));
|
|
}
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
STATIC INT32 OsMountRootfsAndUserfs(const CHAR *rootDev, const CHAR *fsType)
|
|
{
|
|
INT32 ret;
|
|
INT32 err;
|
|
if (strcmp(fsType, "vfat") == 0) {
|
|
ret = mount(rootDev, "/", fsType, MS_RDONLY, NULL);
|
|
if (ret != LOS_OK) {
|
|
err = get_errno();
|
|
PRINT_ERR("Failed to mount vfat rootfs, errno %d: %s\n", err, strerror(err));
|
|
return ret;
|
|
}
|
|
g_root_inode->i_mode |= S_IRWXU | S_IRWXG | S_IRWXO;
|
|
#ifdef LOSCFG_PLATFORM_HI3516DV300
|
|
ret = mkdir("/storage", VFAT_STORAGE_MOUNT_DIR_MODE);
|
|
if (ret != LOS_OK) {
|
|
err = get_errno();
|
|
PRINT_ERR("Failed to reserve inode /storage, errno %d: %s\n", err, strerror(err));
|
|
} 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, errno %d: %s\n", err, strerror(err));
|
|
return ret;
|
|
}
|
|
#ifdef LOSCFG_PLATFORM_HI3518EV300
|
|
ret = mkdir("/storage", DEFAULT_STORAGE_MOUNT_DIR_MODE);
|
|
if (ret != LOS_OK) {
|
|
err = get_errno();
|
|
PRINT_ERR("Failed to reserve inode /storage, errno %d: %s\n", err, strerror(err));
|
|
} 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;
|
|
}
|