huxi
1405 lines
46 KiB
C
1405 lines
46 KiB
C
#ifdef SUPPORT_MS_EXTENSIONS
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#pragma bss_seg(".virfat_flash.data.bss")
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#pragma data_seg(".virfat_flash.data")
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#pragma const_seg(".virfat_flash.text.const")
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#pragma code_seg(".virfat_flash.text")
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#endif
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#include "system/includes.h"
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#include "app_config.h"
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#include "fs/virfat_flash.h"
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#if CONFIG_JL_UI_ENABLE
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#include "res/resfile.h"
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#endif
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#include "tzflash_api.h"
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#include "boot.h"
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#include "sdfile.h"
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#define AT_VOLATILE_RAM_CODE // AT(.virfat_flash_code)
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#define FLASH_SIZE_8M 0x800000
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#define FLASH_SIZE_16M 0x1000000
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#define FLASH_SIZE_32M 0x2000000
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//要与fat_comm.exe -pad-backup2 -force-align-fat -out new_res.bin -image-size 8 对应
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//要与fat_comm.exe -pad-backup2 -force-align-fat -out new_res.bin -image-size 16 对应
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#if TCFG_VIRFAT_INSERT_FLASH_ENABLE
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#if(TCFG_VIRFAT_FLASH_DEV_PATY_SIZE> FLASH_SIZE_8M)
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#define CONFIG_FAT_FLASH_SIZE (((TCFG_VIRFAT_FLASH_DEV_PATY_SIZE)+FLASH_SIZE_16M-1)/FLASH_SIZE_16M*FLASH_SIZE_16M)
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#else
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#define CONFIG_FAT_FLASH_SIZE TCFG_VIRFAT_FLASH_DEV_PATY_SIZE
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#endif
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#else
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#define CONFIG_FAT_FLASH_SIZE CONFIG_EXTERN_FLASH_SIZE
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#endif
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// 如果需要使用16M以上的flash需要修改download.bat文件与之对应
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#if (CONFIG_FAT_FLASH_SIZE > 8 * 1024 * 1024 /* FLASH_SIZE_8M */ )
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#define OUTFLASH_FAT16_ENABLE 1
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#else /* #if (CONFIG_EXTERN_FLASH_SIZE > FLASH_SIZE_8M) */
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#define OUTFLASH_FAT16_ENABLE 0
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#endif /* #if (CONFIG_EXTERN_FLASH_SIZE > FLASH_SIZE_8M) */
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typedef struct _flash_private_info {
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/* char part_name[16]; */
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u32 flash_private_addr;
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u32 private_len;
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} FLASH_PRIVATE_INFO;
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static virfat_flash_t virfat_flash;
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static void *fd;
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static u32 real_capacity = 0;
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static u32 jlfat_capacity = 0;
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#define VIRFAT_FLASH_SET_DAMAGED_PART 0
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#if VIRFAT_FLASH_SET_DAMAGED_PART
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static u32 occupy_clust = 0;
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void sdfile_fat_sub_maxclust(u32 clust);
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#endif
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#define VIRFAT_FLASH_FAST_WRITE 1
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void virfat_flash_flush();
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#if VIRFAT_FLASH_FAST_WRITE
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static u8 *buf_write = NULL;
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static u32 virfat_addr;
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static u16 fast_write_timer = 0;
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static OS_MUTEX virfat_fast_write_mutex;
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#define FAST_WRITE_TIMEOUT 100
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#define FAST_WRITE_TIMER_ENABLE 0
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#define virfat_fast_write_mutex_init() os_mutex_create(&virfat_fast_write_mutex)
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#define virfat_fast_write_mutex_pend() os_mutex_pend(&virfat_fast_write_mutex, portMAX_DELAY)
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#define virfat_fast_write_mutex_post() os_mutex_post(&virfat_fast_write_mutex)
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#endif
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#define portMAX_DELAY 0
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static OS_MUTEX virfat_flash_mutex;
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#define virfat_mutex_init() os_mutex_create(&virfat_flash_mutex)
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#define virfat_mutex_pend() os_mutex_pend(&virfat_flash_mutex, portMAX_DELAY)
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#define virfat_mutex_post() os_mutex_post(&virfat_flash_mutex)
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static void virfat_get_cpu_fatfs_addr(char *name, u32 *addr, u32 *len)
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{
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u32 start_addr = boot_info.sfc.app_addr;
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/* y_printf(">>>[test]:base_addr = %d, app_addr = %d\n", boot_info.sfc.sfc_base_addr, boot_info.sfc.app_addr); */
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/* u32 offset = 0; */
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struct sdfile_file_head head = {0};
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/* u16 local_flash_key = get_chip_id_in_phonefs(); */
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while (1) {
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/* extern int norflash_origin_read(u8 * buf, u32 offset, u32 len); */
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/* norflash_origin_read((u8 *)&head, start_addr, sizeof(head)); */
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memcpy(&head, (u8 *)start_addr, sizeof(head));
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/* put_buf(&head, 32); */
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/* decode_data_by_user_key_in_sdfile(local_flash_key, (u8 *)&head, sizeof(head), offset, sizeof(head)); */
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if (head.head_crc != CRC16((u8 *)&head.data_crc, sizeof(head) - sizeof(head.head_crc))) {
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y_printf("\n >>>[test]:func = %s,line= %d\n", __FUNCTION__, __LINE__);
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return;
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}
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/* r_printf(">>>[test]:head.name = %s, name = %s\n", head.name, name); */
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if (0 == memcmp(head.name, name, strlen(name))) {
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break;
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}
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/* offset += sizeof(head); */
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start_addr += sizeof(head);
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}
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*addr = head.addr;
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*len = head.len;
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r_printf(">>>[test]:######### start_addr = 0x%x, len = 0x%x\n", head.addr, head.len);
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}
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#if TCFG_VIRFAT_FLASH_ENABLE
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void fat_copy(void *pDest, void *pSrc, u32 copyLen)
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{
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if (pDest != NULL && pSrc != NULL) {
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while (copyLen--) {
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((u8 *)pDest)[copyLen] = ((u8 *)pSrc)[copyLen];
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}
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}
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}
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static u16 ld_word(u8 *p)
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{
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if (p != NULL) {
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return (u16)p[1] << 8 | p[0];
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}
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return 0;
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}
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static u32 ld_dword(u8 *p)
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{
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if (p != NULL) {
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return (u32)p[3] << 24 | p[2] << 16 | p[1] << 8 | p[0];
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}
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return 0;
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}
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//fat 备份4Kfat_table和4K目录项，保留扇区扩大8K ,8M
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#if 1
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static const u8 bpb_data[512] = {
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0xEB, 0x3C, 0x90, 0x4D, 0x53, 0x44, 0x4F, 0x53, 0x35, 0x2E, 0x30, 0x00, 0x02, 0x08, 0x18, 0x00,
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0x01, 0x80, 0x00, 0x00, 0x40, 0xF8, 0x08, 0x00, 0x3F, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
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||
0x00, 0x00, 0x00, 0x00, 0x80, 0x00, 0x29, 0xEE, 0x8D, 0xF2, 0x2C, 0x4E, 0x4F, 0x20, 0x4E, 0x41,
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||
0x4D, 0x45, 0x20, 0x20, 0x20, 0x20, 0x46, 0x41, 0x54, 0x31, 0x36, 0x20, 0x20, 0x20, 0x33, 0xC9,
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||
0x8E, 0xD1, 0xBC, 0xF0, 0x7B, 0x8E, 0xD9, 0xB8, 0x00, 0x20, 0x8E, 0xC0, 0xFC, 0xBD, 0x00, 0x7C,
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||
0x38, 0x4E, 0x24, 0x7D, 0x24, 0x8B, 0xC1, 0x99, 0xE8, 0x3C, 0x01, 0x72, 0x1C, 0x83, 0xEB, 0x3A,
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||
0x66, 0xA1, 0x1C, 0x7C, 0x26, 0x66, 0x3B, 0x07, 0x26, 0x8A, 0x57, 0xFC, 0x75, 0x06, 0x80, 0xCA,
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||
0x02, 0x88, 0x56, 0x02, 0x80, 0xC3, 0x10, 0x73, 0xEB, 0x33, 0xC9, 0x8A, 0x46, 0x10, 0x98, 0xF7,
|
||
0x66, 0x16, 0x03, 0x46, 0x1C, 0x13, 0x56, 0x1E, 0x03, 0x46, 0x0E, 0x13, 0xD1, 0x8B, 0x76, 0x11,
|
||
0x60, 0x89, 0x46, 0xFC, 0x89, 0x56, 0xFE, 0xB8, 0x20, 0x00, 0xF7, 0xE6, 0x8B, 0x5E, 0x0B, 0x03,
|
||
0xC3, 0x48, 0xF7, 0xF3, 0x01, 0x46, 0xFC, 0x11, 0x4E, 0xFE, 0x61, 0xBF, 0x00, 0x00, 0xE8, 0xE6,
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||
0x00, 0x72, 0x39, 0x26, 0x38, 0x2D, 0x74, 0x17, 0x60, 0xB1, 0x0B, 0xBE, 0xA1, 0x7D, 0xF3, 0xA6,
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||
0x61, 0x74, 0x32, 0x4E, 0x74, 0x09, 0x83, 0xC7, 0x20, 0x3B, 0xFB, 0x72, 0xE6, 0xEB, 0xDC, 0xA0,
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||
0xFB, 0x7D, 0xB4, 0x7D, 0x8B, 0xF0, 0xAC, 0x98, 0x40, 0x74, 0x0C, 0x48, 0x74, 0x13, 0xB4, 0x0E,
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||
0xBB, 0x07, 0x00, 0xCD, 0x10, 0xEB, 0xEF, 0xA0, 0xFD, 0x7D, 0xEB, 0xE6, 0xA0, 0xFC, 0x7D, 0xEB,
|
||
0xE1, 0xCD, 0x16, 0xCD, 0x19, 0x26, 0x8B, 0x55, 0x1A, 0x52, 0xB0, 0x01, 0xBB, 0x00, 0x00, 0xE8,
|
||
0x3B, 0x00, 0x72, 0xE8, 0x5B, 0x8A, 0x56, 0x24, 0xBE, 0x0B, 0x7C, 0x8B, 0xFC, 0xC7, 0x46, 0xF0,
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||
0x3D, 0x7D, 0xC7, 0x46, 0xF4, 0x29, 0x7D, 0x8C, 0xD9, 0x89, 0x4E, 0xF2, 0x89, 0x4E, 0xF6, 0xC6,
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||
0x06, 0x96, 0x7D, 0xCB, 0xEA, 0x03, 0x00, 0x00, 0x20, 0x0F, 0xB6, 0xC8, 0x66, 0x8B, 0x46, 0xF8,
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||
0x66, 0x03, 0x46, 0x1C, 0x66, 0x8B, 0xD0, 0x66, 0xC1, 0xEA, 0x10, 0xEB, 0x5E, 0x0F, 0xB6, 0xC8,
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||
0x4A, 0x4A, 0x8A, 0x46, 0x0D, 0x32, 0xE4, 0xF7, 0xE2, 0x03, 0x46, 0xFC, 0x13, 0x56, 0xFE, 0xEB,
|
||
0x4A, 0x52, 0x50, 0x06, 0x53, 0x6A, 0x01, 0x6A, 0x10, 0x91, 0x8B, 0x46, 0x18, 0x96, 0x92, 0x33,
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||
0xD2, 0xF7, 0xF6, 0x91, 0xF7, 0xF6, 0x42, 0x87, 0xCA, 0xF7, 0x76, 0x1A, 0x8A, 0xF2, 0x8A, 0xE8,
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||
0xC0, 0xCC, 0x02, 0x0A, 0xCC, 0xB8, 0x01, 0x02, 0x80, 0x7E, 0x02, 0x0E, 0x75, 0x04, 0xB4, 0x42,
|
||
0x8B, 0xF4, 0x8A, 0x56, 0x24, 0xCD, 0x13, 0x61, 0x61, 0x72, 0x0B, 0x40, 0x75, 0x01, 0x42, 0x03,
|
||
0x5E, 0x0B, 0x49, 0x75, 0x06, 0xF8, 0xC3, 0x41, 0xBB, 0x00, 0x00, 0x60, 0x66, 0x6A, 0x00, 0xEB,
|
||
0xB0, 0x42, 0x4F, 0x4F, 0x54, 0x4D, 0x47, 0x52, 0x20, 0x20, 0x20, 0x20, 0x0D, 0x0A, 0x52, 0x65,
|
||
0x6D, 0x6F, 0x76, 0x65, 0x20, 0x64, 0x69, 0x73, 0x6B, 0x73, 0x20, 0x6F, 0x72, 0x20, 0x6F, 0x74,
|
||
0x68, 0x65, 0x72, 0x20, 0x6D, 0x65, 0x64, 0x69, 0x61, 0x2E, 0xFF, 0x0D, 0x0A, 0x44, 0x69, 0x73,
|
||
0x6B, 0x20, 0x65, 0x72, 0x72, 0x6F, 0x72, 0xFF, 0x0D, 0x0A, 0x50, 0x72, 0x65, 0x73, 0x73, 0x20,
|
||
0x61, 0x6E, 0x79, 0x20, 0x6B, 0x65, 0x79, 0x20, 0x74, 0x6F, 0x20, 0x72, 0x65, 0x73, 0x74, 0x61,
|
||
0x72, 0x74, 0x0D, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xAC, 0xCB, 0xD8, 0x55, 0xAA
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||
};
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#else
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//fat 备份12Kfat_table和4K目录项，保留扇区扩大16K ,32M
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/* static const unsigned char bpb_data[512] = { */
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static char bpb_data[512] = {
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0xEB, 0x3C, 0x90, 0x4D, 0x53, 0x44, 0x4F, 0x53, 0x35, 0x2E, 0x30, 0x00, 0x02, 0x08, 0x30, 0x00,
|
||
0x01, 0x00, 0x01, 0x00, 0x00, 0xF8, 0x18, 0x00, 0x3F, 0x00, 0xFF, 0x00, 0x00, 0x00, 0x00, 0x00,
|
||
0x00, 0x00, 0x01, 0x00, 0x80, 0x00, 0x29, 0xEE, 0x8D, 0xF2, 0x2C, 0x4E, 0x4F, 0x20, 0x4E, 0x41,
|
||
0x4D, 0x45, 0x20, 0x20, 0x20, 0x20, 0x46, 0x41, 0x54, 0x31, 0x36, 0x20, 0x20, 0x20, 0x33, 0xC9,
|
||
0x8E, 0xD1, 0xBC, 0xF0, 0x7B, 0x8E, 0xD9, 0xB8, 0x00, 0x20, 0x8E, 0xC0, 0xFC, 0xBD, 0x00, 0x7C,
|
||
0x38, 0x4E, 0x24, 0x7D, 0x24, 0x8B, 0xC1, 0x99, 0xE8, 0x3C, 0x01, 0x72, 0x1C, 0x83, 0xEB, 0x3A,
|
||
0x66, 0xA1, 0x1C, 0x7C, 0x26, 0x66, 0x3B, 0x07, 0x26, 0x8A, 0x57, 0xFC, 0x75, 0x06, 0x80, 0xCA,
|
||
0x02, 0x88, 0x56, 0x02, 0x80, 0xC3, 0x10, 0x73, 0xEB, 0x33, 0xC9, 0x8A, 0x46, 0x10, 0x98, 0xF7,
|
||
0x66, 0x16, 0x03, 0x46, 0x1C, 0x13, 0x56, 0x1E, 0x03, 0x46, 0x0E, 0x13, 0xD1, 0x8B, 0x76, 0x11,
|
||
0x60, 0x89, 0x46, 0xFC, 0x89, 0x56, 0xFE, 0xB8, 0x20, 0x00, 0xF7, 0xE6, 0x8B, 0x5E, 0x0B, 0x03,
|
||
0xC3, 0x48, 0xF7, 0xF3, 0x01, 0x46, 0xFC, 0x11, 0x4E, 0xFE, 0x61, 0xBF, 0x00, 0x00, 0xE8, 0xE6,
|
||
0x00, 0x72, 0x39, 0x26, 0x38, 0x2D, 0x74, 0x17, 0x60, 0xB1, 0x0B, 0xBE, 0xA1, 0x7D, 0xF3, 0xA6,
|
||
0x61, 0x74, 0x32, 0x4E, 0x74, 0x09, 0x83, 0xC7, 0x20, 0x3B, 0xFB, 0x72, 0xE6, 0xEB, 0xDC, 0xA0,
|
||
0xFB, 0x7D, 0xB4, 0x7D, 0x8B, 0xF0, 0xAC, 0x98, 0x40, 0x74, 0x0C, 0x48, 0x74, 0x13, 0xB4, 0x0E,
|
||
0xBB, 0x07, 0x00, 0xCD, 0x10, 0xEB, 0xEF, 0xA0, 0xFD, 0x7D, 0xEB, 0xE6, 0xA0, 0xFC, 0x7D, 0xEB,
|
||
0xE1, 0xCD, 0x16, 0xCD, 0x19, 0x26, 0x8B, 0x55, 0x1A, 0x52, 0xB0, 0x01, 0xBB, 0x00, 0x00, 0xE8,
|
||
0x3B, 0x00, 0x72, 0xE8, 0x5B, 0x8A, 0x56, 0x24, 0xBE, 0x0B, 0x7C, 0x8B, 0xFC, 0xC7, 0x46, 0xF0,
|
||
0x3D, 0x7D, 0xC7, 0x46, 0xF4, 0x29, 0x7D, 0x8C, 0xD9, 0x89, 0x4E, 0xF2, 0x89, 0x4E, 0xF6, 0xC6,
|
||
0x06, 0x96, 0x7D, 0xCB, 0xEA, 0x03, 0x00, 0x00, 0x20, 0x0F, 0xB6, 0xC8, 0x66, 0x8B, 0x46, 0xF8,
|
||
0x66, 0x03, 0x46, 0x1C, 0x66, 0x8B, 0xD0, 0x66, 0xC1, 0xEA, 0x10, 0xEB, 0x5E, 0x0F, 0xB6, 0xC8,
|
||
0x4A, 0x4A, 0x8A, 0x46, 0x0D, 0x32, 0xE4, 0xF7, 0xE2, 0x03, 0x46, 0xFC, 0x13, 0x56, 0xFE, 0xEB,
|
||
0x4A, 0x52, 0x50, 0x06, 0x53, 0x6A, 0x01, 0x6A, 0x10, 0x91, 0x8B, 0x46, 0x18, 0x96, 0x92, 0x33,
|
||
0xD2, 0xF7, 0xF6, 0x91, 0xF7, 0xF6, 0x42, 0x87, 0xCA, 0xF7, 0x76, 0x1A, 0x8A, 0xF2, 0x8A, 0xE8,
|
||
0xC0, 0xCC, 0x02, 0x0A, 0xCC, 0xB8, 0x01, 0x02, 0x80, 0x7E, 0x02, 0x0E, 0x75, 0x04, 0xB4, 0x42,
|
||
0x8B, 0xF4, 0x8A, 0x56, 0x24, 0xCD, 0x13, 0x61, 0x61, 0x72, 0x0B, 0x40, 0x75, 0x01, 0x42, 0x03,
|
||
0x5E, 0x0B, 0x49, 0x75, 0x06, 0xF8, 0xC3, 0x41, 0xBB, 0x00, 0x00, 0x60, 0x66, 0x6A, 0x00, 0xEB,
|
||
0xB0, 0x42, 0x4F, 0x4F, 0x54, 0x4D, 0x47, 0x52, 0x20, 0x20, 0x20, 0x20, 0x0D, 0x0A, 0x52, 0x65,
|
||
0x6D, 0x6F, 0x76, 0x65, 0x20, 0x64, 0x69, 0x73, 0x6B, 0x73, 0x20, 0x6F, 0x72, 0x20, 0x6F, 0x74,
|
||
0x68, 0x65, 0x72, 0x20, 0x6D, 0x65, 0x64, 0x69, 0x61, 0x2E, 0xFF, 0x0D, 0x0A, 0x44, 0x69, 0x73,
|
||
0x6B, 0x20, 0x65, 0x72, 0x72, 0x6F, 0x72, 0xFF, 0x0D, 0x0A, 0x50, 0x72, 0x65, 0x73, 0x73, 0x20,
|
||
0x61, 0x6E, 0x79, 0x20, 0x6B, 0x65, 0x79, 0x20, 0x74, 0x6F, 0x20, 0x72, 0x65, 0x73, 0x74, 0x61,
|
||
0x72, 0x74, 0x0D, 0x0A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xAC, 0xCB, 0xD8, 0x55, 0xAA
|
||
};
|
||
#endif
|
||
|
||
static u32 get_first_one(u32 n)
|
||
{
|
||
u32 pos = 0;
|
||
for (pos = 0; pos < 32; pos++) {
|
||
if (n & BIT(pos)) {
|
||
return pos;
|
||
}
|
||
}
|
||
return 0xff;
|
||
|
||
}
|
||
|
||
static bool virfat_flash_mount(virfat_flash_t *disk_handler, u8 *buf)
|
||
{
|
||
u32 fatsize;
|
||
u32 maxclust;
|
||
/* u32 sects_fat; */
|
||
u32 n_rootdir;
|
||
|
||
/*计算FAT表大小*/
|
||
fatsize = ld_word(&buf[BPB_FATSz16]); /* Number of sectors per FAT */
|
||
if (!fatsize) {
|
||
fatsize = ld_dword(&buf[BPB_FATSz32]);
|
||
}
|
||
|
||
disk_handler->fatsize = fatsize * 512; //fat表大小 byte.
|
||
disk_handler->fatbase = ld_word(&buf[BPB_RsvdSecCnt]); /* FAT start sector (lba) */
|
||
/* disk_handler->fatbase2 = disk_handler->fatbase + fatsize; */
|
||
|
||
fatsize *= buf[BPB_NumFATs];
|
||
|
||
disk_handler->csize = get_first_one(buf[BPB_SecPerClus]); /* Number of sectors per cluster */
|
||
|
||
n_rootdir = ld_word(&buf[BPB_RootEntCnt]); /* Nmuber of root directory entries */
|
||
|
||
disk_handler->database = (disk_handler->fatbase + fatsize + n_rootdir / 16); /* Data start sector (lba) */
|
||
|
||
|
||
/*计算总容量*/
|
||
disk_handler->capacity = ld_word(&buf[BPB_TotSec16]); /* Number of sectors on the file system */
|
||
if (!disk_handler->capacity) {
|
||
disk_handler->capacity = ld_dword(&buf[BPB_TotSec32]);
|
||
}
|
||
/* r_printf(">>>[test]:cap = 0x%x, csize = %d\n",disk_handler->capacity, disk_handler->csize); */
|
||
maxclust = (disk_handler->capacity - ld_word(&buf[BPB_RsvdSecCnt]) - fatsize -
|
||
n_rootdir / 16) >> disk_handler->csize;
|
||
disk_handler->max_clust = maxclust + 2;
|
||
#if VIRFAT_FLASH_SET_DAMAGED_PART
|
||
if (occupy_clust) {
|
||
disk_handler->max_clust -= occupy_clust;
|
||
occupy_clust = 0;
|
||
}
|
||
/* r_printf(">>>[test]:maxclust = %d\n", maxclust); */
|
||
#endif
|
||
|
||
disk_handler->fs_type = (maxclust >= MIN_FAT32) ? FS_FAT32 : ((maxclust >= MIN_FAT16) ? FS_FAT16 : FS_FAT12);
|
||
/* r_printf(">>>[test]:fs_type = 0x%x\n", disk_handler->fs_type); */
|
||
|
||
/* Root directory start cluster */
|
||
if (disk_handler->fs_type == FS_FAT32) {
|
||
disk_handler->dirbase = disk_handler->database;
|
||
disk_handler->database += 1 << disk_handler->csize;
|
||
} else {
|
||
disk_handler->dirbase = disk_handler->fatbase + fatsize;
|
||
}
|
||
|
||
disk_handler->clustSize = disk_handler->csize + 9;
|
||
|
||
return TRUE;
|
||
}
|
||
|
||
static void vir_read_reserved_area(u8 *buf, u32 len)
|
||
{
|
||
if (buf != NULL) {
|
||
memset(buf, 0, len);
|
||
}
|
||
}
|
||
|
||
|
||
static void vir_read_BPB(u8 *buf, u32 offset, u32 len)
|
||
{
|
||
u8 *bpb_alloc = zalloc(512);
|
||
if (bpb_alloc == NULL || offset > 512 || (offset + len) > 512) {
|
||
memset(buf, 0, 512);
|
||
return;
|
||
}
|
||
memcpy(bpb_alloc, bpb_data, 512);
|
||
int a = 0;
|
||
if (real_capacity >= 32 * 1024 * 1024 / 512) {
|
||
fat_copy(&bpb_alloc[BPB_TotSec16], &a, 2);
|
||
fat_copy(&bpb_alloc[BPB_TotSec32], &real_capacity, 4);
|
||
} else {
|
||
fat_copy(&bpb_alloc[BPB_TotSec16], &real_capacity, 2);
|
||
}
|
||
if (real_capacity >= 16 * 1024 * 1024 / 512) {
|
||
int fatsize = (real_capacity * 512 / 4096 * 2 + 4097) / 4096 * 4096; //计算fat表大小,按fat16来,注意fat表前面占有F8FFFFFF.
|
||
int fat_sector = fatsize / 512;
|
||
int rsvdsec = fat_sector + 4096 / 512 + 4096 / 512; //目录项128 * 32 = 4096 不变,工具配置规则目录项没有扩大
|
||
/* r_printf(">>>[test]:fat_sector = 0x%x, rsvdsec = 0x%x\n", fat_sector, rsvdsec); */
|
||
fat_copy(&bpb_alloc[BPB_FATSz16], &fat_sector, 2);
|
||
fat_copy(&bpb_alloc[BPB_RsvdSecCnt], &rsvdsec, 2);
|
||
}
|
||
put_buf((const u8 *)bpb_alloc, 96);
|
||
memcpy(buf, bpb_alloc + offset, len);
|
||
free(bpb_alloc);
|
||
/* u8 bpb_jl_head[] = "JLBT_DISK"; */
|
||
|
||
/* memset(buf, 0, 512); */
|
||
/* memcpy(buf, bpb_data + offset, len); */
|
||
|
||
/* memcpy(buf + sizeof(bpb_data), bpb_jl_head, sizeof(bpb_jl_head)); */
|
||
|
||
/* buf[510] = 0x55; */
|
||
/* buf[511] = 0xAA; */
|
||
}
|
||
|
||
static int virfat_read(void *fd, void *buf, u32 addr, u32 len)
|
||
{
|
||
int rlen = -1;
|
||
if (fd != NULL && buf != NULL) {
|
||
rlen = dev_bulk_read(fd, buf, addr, len);
|
||
}
|
||
return rlen;
|
||
}
|
||
|
||
static int virfat_write(void *fd, void *buf, u32 addr, u32 len)
|
||
{
|
||
int wlen = -1;
|
||
if (fd != NULL && buf != NULL) {
|
||
wlen = dev_bulk_write(fd, buf, addr, len);
|
||
}
|
||
return wlen;
|
||
}
|
||
|
||
static int virfat_ioctl(void *fd, u32 cmd, u32 arg)
|
||
{
|
||
int res = -1;
|
||
if (fd != NULL) {
|
||
res = dev_ioctl(fd, cmd, arg);
|
||
}
|
||
return res;
|
||
}
|
||
|
||
|
||
//////////////////////////////////////sdfile_fat 备份fat表和目录项/////////////////////////////////////////////////
|
||
#define BACKUPS_SPACE ((virfat_flash.database - virfat_flash.fatbase) * 512)
|
||
#define DIR_ENTRY_DEV_ADDR ((virfat_flash.dirbase - virfat_flash.fatbase) * 512)
|
||
//sdfile_fat的fat表和目录项都是4K对齐的地址和长度
|
||
#define BK_BUF_LEN 4096
|
||
|
||
//记入VM，序号需要整理成独立的
|
||
/* #define CFG_FATFS_BACKUP_FLAG 145 */
|
||
|
||
extern const int FATFS_BACKUP_ENABLE; //文件系统安全备份功能使能
|
||
static u8 backup_record_flag = 0;
|
||
|
||
|
||
typedef enum {
|
||
BK_OK = 0,
|
||
BK_DATA_IS_FF,
|
||
BK_DATA_LEN_ISNOT_ALIGN,
|
||
BK_FATFS_DATA_IS_WRONG,
|
||
BK_ALREADY_RECORD,
|
||
BK_NOT_RECORD,
|
||
|
||
BK_DEV_READ_DATA_ERROR = 8,
|
||
BK_DEV_ERASE_DATA_ERROR,
|
||
BK_DEV_WRITE_DATA_ERROR,
|
||
|
||
BK_FATFS_NOT_USED = 0xFF,
|
||
} BK_RESULT;
|
||
|
||
static u8 bk_check_is_FF(u8 *data, u32 len)
|
||
{
|
||
u8 is_ff_flag = 0;
|
||
int sub_len = len / 32;
|
||
if (len % 32) {
|
||
return BK_DATA_LEN_ISNOT_ALIGN;
|
||
}
|
||
for (int j = 0; j < sub_len; j++) {
|
||
is_ff_flag = 1;
|
||
for (int i = 0; i < 32; i++) {
|
||
if (data[i] != 0xFF) {
|
||
is_ff_flag = 0;
|
||
break;
|
||
}
|
||
}
|
||
if (is_ff_flag) {
|
||
break;
|
||
}
|
||
}
|
||
return is_ff_flag;
|
||
}
|
||
|
||
static int virfat_flash_backups_fat_dir_data()
|
||
{
|
||
u8 *buf = zalloc(BK_BUF_LEN);
|
||
ASSERT(buf);
|
||
int ret = BK_OK;
|
||
for (int offset = 0; offset < BACKUPS_SPACE; offset += BK_BUF_LEN) {
|
||
int rw_len;
|
||
rw_len = virfat_read(fd, buf, BACKUPS_SPACE + offset, BK_BUF_LEN);
|
||
if (rw_len != BK_BUF_LEN) {
|
||
ret = BK_DEV_READ_DATA_ERROR;
|
||
goto __exit;
|
||
}
|
||
if (bk_check_is_FF(buf, BK_BUF_LEN)) {
|
||
ret = BK_DATA_IS_FF;
|
||
goto __exit;
|
||
}
|
||
//check fat table data
|
||
if (offset == 0) {
|
||
if (buf[0] != 0xF8 || buf[1] != 0xFF) {
|
||
ret = BK_FATFS_DATA_IS_WRONG;
|
||
goto __exit;
|
||
}
|
||
}
|
||
//check dir entry data
|
||
/* if (offset == DIR_ENTRY_DEV_ADDR) { */
|
||
/* } */
|
||
ret = virfat_ioctl(fd, IOCTL_ERASE_SECTOR, offset);
|
||
if (ret) {
|
||
ret = BK_DEV_ERASE_DATA_ERROR;
|
||
goto __exit;
|
||
}
|
||
rw_len = virfat_write(fd, buf, offset, BK_BUF_LEN);
|
||
if (rw_len != BK_BUF_LEN) {
|
||
ret = BK_DEV_WRITE_DATA_ERROR;
|
||
goto __exit;
|
||
}
|
||
}
|
||
//VM 标记放在备份后面
|
||
u8 bk_info = 1;
|
||
syscfg_write(CFG_FATFS_BACKUP_FLAG, &bk_info, sizeof(u8));
|
||
y_printf(">>>[test]:write bk_info = 0x%x\n", bk_info);
|
||
__exit:
|
||
y_printf("\n >>>[test]:func = %s,line= %d, ret = %d\n", __FUNCTION__, __LINE__, ret);
|
||
if (buf) {
|
||
free(buf);
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
static int virfat_flash_resume_fat_dir_data()
|
||
{
|
||
u8 *buf = zalloc(BK_BUF_LEN);
|
||
ASSERT(buf);
|
||
int ret = BK_OK;
|
||
for (int offset = 0; offset < BACKUPS_SPACE; offset += BK_BUF_LEN) {
|
||
int rw_len;
|
||
rw_len = virfat_read(fd, buf, offset, BK_BUF_LEN);
|
||
if (rw_len != BK_BUF_LEN) {
|
||
ret = BK_DEV_READ_DATA_ERROR;
|
||
goto __exit;
|
||
}
|
||
/* y_printf(">>>[test]:offset = %d, fd = 0x%p, buf = 0x%p\n", offset, fd, buf); */
|
||
/* put_buf(buf, rw_len); */
|
||
if (bk_check_is_FF(buf, BK_BUF_LEN)) {
|
||
ret = BK_DATA_IS_FF;
|
||
goto __exit;
|
||
}
|
||
//check fat table data
|
||
if (offset == 0) {
|
||
if (buf[0] != 0xF8 || buf[1] != 0xFF) {
|
||
ret = BK_FATFS_DATA_IS_WRONG;
|
||
goto __exit;
|
||
}
|
||
}
|
||
ret = virfat_ioctl(fd, IOCTL_ERASE_SECTOR, BACKUPS_SPACE + offset);
|
||
if (ret) {
|
||
ret = BK_DEV_ERASE_DATA_ERROR;
|
||
goto __exit;
|
||
}
|
||
/* y_printf(">>>[test]:offset = %d, fd = 0x%p, buf = 0x%p\n", offset, fd, buf); */
|
||
rw_len = virfat_write(fd, buf, BACKUPS_SPACE + offset, BK_BUF_LEN);
|
||
if (rw_len != BK_BUF_LEN) {
|
||
ret = BK_DEV_WRITE_DATA_ERROR;
|
||
goto __exit;
|
||
}
|
||
}
|
||
//清VM 标记放在还原后面
|
||
u8 bk_info = 0;
|
||
syscfg_write(CFG_FATFS_BACKUP_FLAG, (void *)&bk_info, sizeof(u8));
|
||
y_printf(">>>[test]:write bk_info = 0x%x\n", bk_info);
|
||
__exit:
|
||
y_printf("\n >>>[test]:func = %s,line= %d, ret = %d\n", __FUNCTION__, __LINE__, ret);
|
||
if (buf) {
|
||
free(buf);
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
int virfat_flash_check_resume_flag()
|
||
{
|
||
//: fatfs 需要预留区域增加备份还原标志, sdfile_fat不需要,使用VM备份标志处理
|
||
int ret;
|
||
u8 *buf = zalloc(BK_BUF_LEN);
|
||
ASSERT(buf);
|
||
u8 bk_info;
|
||
syscfg_read(CFG_FATFS_BACKUP_FLAG, (void *)&bk_info, sizeof(u8));
|
||
y_printf(">>>[test]:read bk_info = 0x%x\n", bk_info);
|
||
y_printf(">>>[test]:BACKUPS_SPACE = %d\n", BACKUPS_SPACE);
|
||
u8 resume_flag = 0;
|
||
for (int offset = 0; offset < BACKUPS_SPACE; offset += BK_BUF_LEN) {
|
||
ret = virfat_read(fd, buf, BACKUPS_SPACE + offset, BK_BUF_LEN);
|
||
if (ret != BK_BUF_LEN) {
|
||
ret = BK_DEV_READ_DATA_ERROR;
|
||
goto __exit;
|
||
}
|
||
if (bk_check_is_FF(buf, BK_BUF_LEN)) {
|
||
resume_flag = 1;
|
||
break;
|
||
}
|
||
//check fat table data
|
||
if (offset == 0) {
|
||
if (buf[0] != 0xF8 || buf[1] != 0xFF) {
|
||
resume_flag = 1;
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
r_printf(">>>[test]:bk_info, resume_flag = 0x%x, 0x%x\n", bk_info, resume_flag);
|
||
if (bk_info || resume_flag) {
|
||
ret = virfat_flash_resume_fat_dir_data();
|
||
}
|
||
__exit:
|
||
if (buf) {
|
||
free(buf);
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
int fatfs_sdfile_fat_backup_fat_dir_data()
|
||
{
|
||
if (backup_record_flag) {
|
||
return BK_ALREADY_RECORD;
|
||
}
|
||
int ret = virfat_flash_backups_fat_dir_data();
|
||
if (ret == BK_OK) {
|
||
backup_record_flag = 1;
|
||
}
|
||
return ret;
|
||
}
|
||
|
||
int fatfs_backup_flag_clear()
|
||
{
|
||
printf("\n >>>[test]:func = %s,line= %d\n", __FUNCTION__, __LINE__);
|
||
if (!backup_record_flag) {
|
||
return BK_NOT_RECORD;
|
||
}
|
||
backup_record_flag = 0;
|
||
u8 bk_info = 0;
|
||
syscfg_write(CFG_FATFS_BACKUP_FLAG, (void *)&bk_info, sizeof(u8));
|
||
y_printf(">>>[test]:write bk_info = 0x%x\n", bk_info);
|
||
return BK_OK;
|
||
}
|
||
|
||
void fatfs_backup_clear_null_dir()
|
||
{
|
||
backup_record_flag = 1; //避免此时刻进行备份
|
||
struct vfscan *fs = fscan("storage/virfat_flash/C/", "-r -tALL -sn ", 4);
|
||
r_printf(">>>[test]:all filenum = %d\n", fs->file_number);
|
||
for (int i = fs->file_number; i >= 1; i--) {
|
||
FILE *fd = fselect(fs, FSEL_BY_NUMBER, i);
|
||
if (fd) {
|
||
struct vfs_attr attr;
|
||
fget_attrs(fd, &attr);
|
||
//空文件进行删除
|
||
if (0 == attr.sclust || 0 == attr.fsize) {
|
||
fdelete(fd);
|
||
} else {
|
||
fclose(fd);
|
||
}
|
||
backup_record_flag = 1; //避免此时刻进行备份
|
||
}
|
||
}
|
||
fscan_release(fs);
|
||
backup_record_flag = 0;
|
||
}
|
||
////////////////////////////////////////////////////////////////////////////////////////////
|
||
|
||
|
||
AT_VOLATILE_RAM_CODE
|
||
static u32 virfat_flash_read(void *buf, u32 addr_sec, u32 len)
|
||
{
|
||
/* y_printf("11111111111[r:%d],,", addr_sec); */
|
||
u32 real_addrsec = 0;
|
||
u32 rlen;
|
||
if (buf == NULL) {
|
||
return 0;
|
||
}
|
||
if (addr_sec == 0) {
|
||
vir_read_BPB(buf, 0, 512);
|
||
y_printf("fatbase:%d \n", virfat_flash.fatbase);
|
||
y_printf("dirbase:%d \n", virfat_flash.dirbase);
|
||
y_printf("database:%d \n", virfat_flash.database);
|
||
return len;
|
||
} else if (addr_sec < 4096 / 512) {
|
||
vir_read_reserved_area(buf, len);
|
||
return len;
|
||
} else {
|
||
real_addrsec = addr_sec - 4096 / 512;
|
||
}
|
||
/* r_printf(">>>[test]111111:real-add= %d\n",real_addrsec); */
|
||
#if VIRFAT_FLASH_FAST_WRITE
|
||
virfat_fast_write_mutex_pend();
|
||
int align_addr = real_addrsec * 512 / 4096 * 4096;
|
||
if (align_addr == virfat_addr) {
|
||
virfat_flash_flush();
|
||
}
|
||
virfat_fast_write_mutex_post();
|
||
#endif
|
||
|
||
|
||
rlen = dev_bulk_read(fd, buf, real_addrsec * 512, len);
|
||
|
||
return rlen;
|
||
}
|
||
|
||
static void virfat_fast_write_free(void *p)
|
||
{
|
||
#if VIRFAT_FLASH_FAST_WRITE
|
||
virfat_fast_write_mutex_pend();
|
||
virfat_flash_flush();
|
||
if (buf_write) {
|
||
free(buf_write);
|
||
buf_write = NULL;
|
||
}
|
||
fast_write_timer = 0;
|
||
virfat_fast_write_mutex_post();
|
||
#endif
|
||
}
|
||
|
||
|
||
|
||
static u32 virfat_flash_write(void *buf, u32 addr_sec, u32 len)
|
||
{
|
||
/* r_printf("[w:%d],,", addr_sec); */
|
||
u8 *buf_temp = (u8 *)zalloc(4096);
|
||
u32 wlen = 0;
|
||
u32 real_addrsec;
|
||
if (buf == NULL) {
|
||
if (buf_temp) {
|
||
free(buf_temp);
|
||
buf_temp = NULL;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
//backup deal
|
||
if (FATFS_BACKUP_ENABLE && (addr_sec >= virfat_flash.fatbase) && (addr_sec < virfat_flash.database)) {
|
||
u8 ret = fatfs_sdfile_fat_backup_fat_dir_data();
|
||
if (ret != BK_OK && ret != BK_ALREADY_RECORD) {
|
||
wlen = 0;
|
||
goto __exit;
|
||
}
|
||
}
|
||
|
||
if (addr_sec == 0) {
|
||
wlen = len;
|
||
goto __exit;
|
||
} else if (addr_sec < 4096 / 512) {
|
||
wlen = len;
|
||
goto __exit;
|
||
} else if (addr_sec < virfat_flash.fatbase) { //备份区不写
|
||
/* real_addrsec = addr_sec - 4096 / 512 + 0; // 0为flash里面保留区域（备份fat表和目录项）实际位置。 */
|
||
wlen = len;
|
||
goto __exit;
|
||
} else if (addr_sec < virfat_flash.dirbase) {
|
||
/* real_addrsec = addr_sec - 4096 / 512; */
|
||
int real_fatbase = virfat_flash.fatbase * 512 - 4096;
|
||
if (virfat_flash.fatsize > 4096) {
|
||
int a = (addr_sec - virfat_flash.fatbase) * 512 / 4096;
|
||
real_fatbase += a * 4096;
|
||
addr_sec -= a * 4096 / 512;
|
||
}
|
||
virfat_read(fd, buf_temp, real_fatbase, 4096);
|
||
virfat_ioctl(fd, IOCTL_ERASE_SECTOR, real_fatbase);
|
||
memcpy(buf_temp + (addr_sec - virfat_flash.fatbase) * 512, buf, len);
|
||
wlen = virfat_write(fd, buf_temp, real_fatbase, 4096);
|
||
if (wlen == 4096) {
|
||
wlen = len;
|
||
}
|
||
} else if (addr_sec < virfat_flash.database) {
|
||
/* real_addrsec = addr_sec - 4096 / 512; */
|
||
int real_dirbase = virfat_flash.dirbase * 512 - 4096;
|
||
virfat_read(fd, buf_temp, real_dirbase, 4096);
|
||
virfat_ioctl(fd, IOCTL_ERASE_SECTOR, real_dirbase);
|
||
memcpy(buf_temp + (addr_sec - virfat_flash.dirbase) * 512, buf, len);
|
||
wlen = virfat_write(fd, buf_temp, real_dirbase, 4096);
|
||
if (wlen == 4096) {
|
||
wlen = len;
|
||
}
|
||
} else {
|
||
real_addrsec = addr_sec - 4096 / 512;
|
||
/* real_addrsec = addr_sec - virfat_flash.database + 16 * 1024 * UNIT / 512; // 16KxUNIT为flash里面数据区实际位置。 */
|
||
int align_addr = real_addrsec * 512 / 4096 * 4096;
|
||
int offset = real_addrsec * 512 % 4096;
|
||
#if VIRFAT_FLASH_FAST_WRITE
|
||
virfat_fast_write_mutex_pend();
|
||
if (FAST_WRITE_TIMER_ENABLE) {
|
||
if (fast_write_timer) {
|
||
sys_timeout_del(fast_write_timer);
|
||
fast_write_timer = 0;
|
||
}
|
||
}
|
||
if (!buf_write) {
|
||
buf_write = (u8 *)zalloc(4096);
|
||
ASSERT(buf_write);
|
||
virfat_addr = 0;
|
||
}
|
||
if (virfat_addr == 0) {
|
||
virfat_addr = align_addr;
|
||
virfat_read(fd, buf_write, virfat_addr, 4096);
|
||
}
|
||
if (virfat_addr != align_addr) {
|
||
virfat_ioctl(fd, IOCTL_ERASE_SECTOR, virfat_addr);
|
||
wlen = virfat_write(fd, buf_write, virfat_addr, 4096);
|
||
if (wlen != 4096) {
|
||
r_printf(">>>[test]:wlen = %d, len = %d\n", wlen, len);
|
||
log_e("write error!!!!!!!!!!!!!");
|
||
virfat_fast_write_mutex_post();
|
||
goto __exit;
|
||
}
|
||
virfat_addr = align_addr;
|
||
virfat_read(fd, buf_write, virfat_addr, 4096);
|
||
}
|
||
memcpy(buf_write + offset, buf, len);
|
||
wlen = len;
|
||
if (FAST_WRITE_TIMER_ENABLE) {
|
||
fast_write_timer = sys_timeout_add(NULL, virfat_fast_write_free, FAST_WRITE_TIMEOUT);
|
||
}
|
||
virfat_fast_write_mutex_post();
|
||
#else
|
||
virfat_read(fd, buf_temp, align_addr, 4096);
|
||
virfat_ioctl(fd, IOCTL_ERASE_SECTOR, align_addr);
|
||
memcpy(buf_temp + offset, buf, len);
|
||
wlen = virfat_write(fd, buf_temp, align_addr, 4096);
|
||
if (wlen == 4096) {
|
||
wlen = len;
|
||
}
|
||
#endif
|
||
/* wlen = virfat_write(fd, buf, real_addrsec * 512, len); */
|
||
}
|
||
|
||
__exit:
|
||
if (buf_temp) {
|
||
free(buf_temp);
|
||
buf_temp = NULL;
|
||
}
|
||
return wlen;
|
||
}
|
||
|
||
AT_VOLATILE_RAM_CODE
|
||
u32 virfat_flash_read_watch(void *buf, u32 addr_sec, u32 len)
|
||
{
|
||
/* y_printf("[r:%d],,", addr_sec); */
|
||
u32 real_addrsec = 0;
|
||
u32 rlen;
|
||
if (buf == NULL) {
|
||
return 0;
|
||
}
|
||
/* if (addr_sec == 0) { */
|
||
if (addr_sec < 512) {
|
||
vir_read_BPB(buf, addr_sec, len);
|
||
y_printf("fatbase:%d \n", virfat_flash.fatbase);
|
||
y_printf("dirbase:%d \n", virfat_flash.dirbase);
|
||
y_printf("database:%d \n", virfat_flash.database);
|
||
return len;
|
||
} else if (addr_sec < 4096) {
|
||
vir_read_reserved_area(buf, len);
|
||
return len;
|
||
} else {
|
||
real_addrsec = addr_sec - 4096 ;
|
||
}
|
||
/* r_printf(">>>[test]:real-add= %d\n",real_addrsec); */
|
||
#if VIRFAT_FLASH_FAST_WRITE
|
||
virfat_fast_write_mutex_pend();
|
||
int align_addr = real_addrsec / 4096 * 4096;
|
||
if (align_addr == virfat_addr) {
|
||
virfat_flash_flush();
|
||
}
|
||
virfat_fast_write_mutex_post();
|
||
#endif
|
||
|
||
|
||
|
||
rlen = dev_bulk_read(fd, buf, real_addrsec, len);
|
||
|
||
|
||
return rlen;
|
||
}
|
||
|
||
u32 virfat_flash_write_watch(void *buf, u32 addr_sec, u32 len)
|
||
{
|
||
u32 wlen;
|
||
u32 real_addrsec = 0;
|
||
|
||
|
||
//backup deal
|
||
if (FATFS_BACKUP_ENABLE && (addr_sec >= virfat_flash.fatbase) && (addr_sec < virfat_flash.database)) {
|
||
u8 ret = fatfs_sdfile_fat_backup_fat_dir_data();
|
||
if (ret != BK_OK && ret != BK_ALREADY_RECORD) {
|
||
return 0;
|
||
}
|
||
}
|
||
|
||
if (addr_sec == 0) {
|
||
return len;
|
||
} else if (addr_sec < 4096) {
|
||
return len;
|
||
} else {
|
||
real_addrsec = addr_sec - 4096;
|
||
}
|
||
if (fd < 0) {
|
||
log_e("Invalid file descriptor");
|
||
return 0;
|
||
}
|
||
wlen = virfat_write(fd, buf, real_addrsec, len);
|
||
if (wlen != len) {
|
||
r_printf(">>>[test]:wlen = %d, len = %d\n", wlen, len);
|
||
log_e("write error!!!!!!!!!!!!!");
|
||
}
|
||
return wlen;
|
||
}
|
||
|
||
u32 virfat_flash_erase_watch(int cmd, u32 arg)
|
||
{
|
||
if (arg == 0) {
|
||
return 0;
|
||
} else if (arg < 4096) {
|
||
return 0;
|
||
} else {
|
||
arg = arg - 4096;
|
||
}
|
||
if (fd < 0) {
|
||
log_e("Invalid file descriptor");
|
||
return 0;
|
||
}
|
||
return virfat_ioctl(fd, cmd, arg);
|
||
}
|
||
u32 virfat_flash_erase(int cmd, u32 arg)
|
||
{
|
||
if (fd < 0) {
|
||
log_e("Invalid file descriptor");
|
||
return 0;
|
||
}
|
||
return virfat_ioctl(fd, cmd, arg);
|
||
}
|
||
|
||
u32 virfat_flash_capacity() //fat上容量
|
||
{
|
||
return virfat_flash.capacity * 512;
|
||
}
|
||
|
||
u32 virfat_flash_get_real_capacity() //获取实际flash容量
|
||
{
|
||
if (jlfat_capacity == 0) {
|
||
virfat_ioctl(fd, IOCTL_GET_CAPACITY, (u32)&jlfat_capacity);
|
||
#if (OUTFLASH_FAT16_ENABLE == 0)
|
||
int min_fat16_size = 10 * 1024 * 1024;
|
||
if (jlfat_capacity > min_fat16_size) {
|
||
return min_fat16_size;
|
||
}
|
||
/* jlfat_capacity = 8 * 1024 * 1024; */
|
||
#else
|
||
if (jlfat_capacity < 16 * 1024 * 1024) {
|
||
#if VIRFAT_FLASH_SET_DAMAGED_PART
|
||
y_printf(">>>[test]:real_capacity = 0x%x\n", jlfat_capacity);
|
||
occupy_clust = CONFIG_FAT_FLASH_SIZE - jlfat_capacity;
|
||
if (occupy_clust % 4096) {
|
||
occupy_clust = occupy_clust / 4096 + 1;
|
||
} else {
|
||
occupy_clust = occupy_clust / 4096;
|
||
}
|
||
sdfile_fat_sub_maxclust(occupy_clust);
|
||
#endif
|
||
/* jlfat_capacity = 16 * 1024 * 1024; */
|
||
}
|
||
#endif
|
||
jlfat_capacity = CONFIG_FAT_FLASH_SIZE;
|
||
}
|
||
return jlfat_capacity;
|
||
}
|
||
|
||
/*----------------------------------------------------------------------------*/
|
||
/** @brief:
|
||
@param:
|
||
@return:
|
||
@author:phewlee.
|
||
@note: 外置flash jlaft文件系统,获取文件名。
|
||
@date: 2021-05-19
|
||
*/
|
||
/*----------------------------------------------------------------------------*/
|
||
#define BUF_LEN 512
|
||
void virfat_flash_get_dirinfo(void *file_buf, u32 *file_num)
|
||
{
|
||
u32 cnt = 0;
|
||
u8 *buf = zalloc(BUF_LEN);
|
||
u8 name_buf[12] = {0};
|
||
u32 dir_len = (virfat_flash.database - virfat_flash.dirbase) * 512;
|
||
for (int k = 0; k < dir_len; k += BUF_LEN) {
|
||
virfat_flash_read_watch(buf, virfat_flash.dirbase * 512 + k, BUF_LEN);
|
||
for (int i = 0; i < BUF_LEN; i += 32) {
|
||
memset(name_buf, 0, 12);
|
||
memcpy(name_buf, buf + i, 12);
|
||
/* put_buf(buf, 32); */
|
||
if (name_buf[0] == 0xE5) {
|
||
continue;
|
||
}
|
||
if ((name_buf[0] != 0) && (name_buf[1] != 0)) {
|
||
if (file_buf) {
|
||
memcpy((void *)((u32)file_buf + cnt * 12), name_buf, 12);
|
||
}
|
||
cnt++;
|
||
/* r_printf(">>>[test]:name = %s\n", name_buf); */
|
||
} else {
|
||
/* y_printf("\n >>>[test]:func = %s,line= %d\n",__FUNCTION__, __LINE__); */
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
*file_num = cnt;
|
||
free(buf);
|
||
|
||
}
|
||
|
||
|
||
/*----------------------------------------------------------------------------*/
|
||
/** @brief:
|
||
@param:
|
||
@return:
|
||
@author:phewlee.
|
||
@note: 外置flash jlaft文件系统,获取文件信息。
|
||
@date: 2021-05-19
|
||
*/
|
||
/*----------------------------------------------------------------------------*/
|
||
#if JLFAT_DIRINFO_ENABLE
|
||
void virfat_flash_get_alldirinfo(JLFAT_DIRINFO *dir_info, u32 *file_num)
|
||
{
|
||
u32 cnt = 0;
|
||
u8 *buf = zalloc(BUF_LEN);
|
||
u8 dir[32] = {0};
|
||
u32 dir_len = (virfat_flash.database - virfat_flash.dirbase) * 512;
|
||
for (int k = 0; k < dir_len; k += BUF_LEN) {
|
||
virfat_flash_read_watch(buf, virfat_flash.dirbase * 512 + k, BUF_LEN);
|
||
for (int i = 0; i < BUF_LEN; i += 32) {
|
||
memset(dir, 0, 32);
|
||
memcpy(dir, buf + i, 32);
|
||
if (dir[0] == 0xE5) {
|
||
continue;
|
||
}
|
||
if ((dir[0] != 0) && (dir[1] != 0)) {
|
||
if (dir_info) {
|
||
memcpy(dir_info[cnt].name, dir, 11);
|
||
dir_info[cnt].name[11] = 0;
|
||
dir_info[cnt].attr = buf[DIR_Attr] & (~AM_FCH);
|
||
dir_info[cnt].fsize = ld_dword((u8 *)(&dir[DIR_FileSize]));
|
||
dir_info[cnt].sclust = ((u32)ld_word(&dir[DIR_FstClusHI]) << 16) | ld_word(&dir[DIR_FstClusLO]);
|
||
dir_info[cnt].fix_date = ld_word((u8 *)(&dir[DIR_WrtDate]));
|
||
dir_info[cnt].fix_time = ld_word((u8 *)(&dir[DIR_WrtTime]));
|
||
}
|
||
cnt++;
|
||
/* r_printf(">>>[test]:name = %s\n", dir_info[cnt].name); */
|
||
} else {
|
||
/* y_printf("\n >>>[test]:func = %s,line= %d\n",__FUNCTION__, __LINE__); */
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
*file_num = cnt;
|
||
free(buf);
|
||
}
|
||
#endif
|
||
|
||
static u32 virfat_flash_available()
|
||
{
|
||
return 1;
|
||
}
|
||
|
||
|
||
u8 virfat_flash_init(void)
|
||
{
|
||
u32 a = 0;
|
||
virfat_flash_mount(&virfat_flash, (u8 *)bpb_data);
|
||
real_capacity = virfat_flash_get_real_capacity();
|
||
int min_fat32_size = ((MIN_FAT32 - 2) << (virfat_flash.csize + 9));
|
||
ASSERT(real_capacity < min_fat32_size, "capacity > min_fat32_size, not surport fat32 flash");
|
||
/* #if (OUTFLASH_FAT16_ENABLE == 0) */
|
||
/* #<{(| int min_fat16_size = ((MIN_FAT16 - 2) << (virfat_flash.csize + 9)); |)}># */
|
||
/* #<{(| r_printf(">>>[test]:min fat16 = %d\n", min_fat16_size); |)}># */
|
||
/* int min_fat16_size = 10 * 1024 * 1024; */
|
||
/* if (real_capacity > min_fat16_size) { */
|
||
/* real_capacity = min_fat16_size; */
|
||
/* } */
|
||
/* #endif */
|
||
u8 *bpb_alloc = zalloc(512);
|
||
ASSERT(bpb_alloc);
|
||
memcpy(bpb_alloc, bpb_data, 512);
|
||
r_printf(">>>[test]:real_capacity = 0x%x\n", real_capacity);
|
||
real_capacity = real_capacity / 512;
|
||
if (virfat_flash.capacity != real_capacity) {
|
||
if (real_capacity >= 32 * 1024 * 1024 / 512) {
|
||
fat_copy(&bpb_alloc[BPB_TotSec16], &a, 2);
|
||
fat_copy(&bpb_alloc[BPB_TotSec32], &real_capacity, 4);
|
||
} else {
|
||
fat_copy(&bpb_alloc[BPB_TotSec16], &real_capacity, 2);
|
||
}
|
||
if (real_capacity >= 16 * 1024 * 1024 / 512) {
|
||
int fatsize = (real_capacity * 512 / 4096 * 2 + 4097) / 4096 * 4096; //计算fat表大小,按fat16来,注意fat表前面占有F8FFFFFF.
|
||
int fat_sector = fatsize / 512;
|
||
int rsvdsec = fat_sector + 4096 / 512 + 4096 / 512; //目录项128 * 32 = 4096 不变,工具配置规则目录项没有扩大
|
||
r_printf(">>>[test]:fat_sector = 0x%x, rsvdsec = 0x%x\n", fat_sector, rsvdsec);
|
||
fat_copy(&bpb_alloc[BPB_FATSz16], &fat_sector, 2);
|
||
fat_copy(&bpb_alloc[BPB_RsvdSecCnt], &rsvdsec, 2);
|
||
}
|
||
put_buf((const u8 *)bpb_alloc, 96);
|
||
virfat_flash_mount(&virfat_flash, (u8 *) bpb_alloc);
|
||
}
|
||
|
||
|
||
/* y_printf("fatbase:%d \n", virfat_flash.fatbase); */
|
||
/* y_printf("dirbase:%d \n", virfat_flash.dirbase); */
|
||
/* y_printf("database:%d \n", virfat_flash.database); */
|
||
/* y_printf("clustSize:%d \n", virfat_flash.clustSize); */
|
||
|
||
|
||
if (bpb_alloc) {
|
||
free(bpb_alloc);
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
////////////////////////////////////////////////////////////////////////////////////////////////
|
||
////////////////////////////device api//////////////////////////////////////////////////////////
|
||
|
||
static struct device virfat_flash_dev;
|
||
static int flash_virfat_init(const struct dev_node *node, void *arg)
|
||
{
|
||
/* r_printf(">>>[test]:init name = %s\n", virfat_flash.re_devname); */
|
||
if (arg) {
|
||
memcpy(&virfat_flash.re_devname, arg, strlen(arg));
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
static int flash_virfat_open(const char *name, struct device **device, void *arg)
|
||
{
|
||
/* y_printf(">>>[test]:dev_name = %s\n", virfat_flash.re_devname); */
|
||
r_printf(">>>[test]:virfat_flash open!!!!!!\n");
|
||
*device = &virfat_flash_dev;
|
||
fd = dev_open((const char *)&virfat_flash.re_devname, arg);
|
||
ASSERT(fd);
|
||
virfat_flash_init();
|
||
|
||
if (FATFS_BACKUP_ENABLE) {
|
||
virfat_flash_check_resume_flag();
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
#if 0
|
||
AT_VOLATILE_RAM_CODE
|
||
int flash_virfat_read(struct device *device, void *buf, u32 len, u32 addr)
|
||
{
|
||
/* y_printf(">>>[test]:r；addr = %d ,len = %d\n", addr, len); */
|
||
virfat_flash_read_watch(buf, addr, len);
|
||
return len;
|
||
}
|
||
#else
|
||
AT_VOLATILE_RAM_CODE
|
||
int flash_virfat_read(struct device *device, void *buf, u32 len, u32 addr)
|
||
{
|
||
/* y_printf(">>>[test]:r；addr = %d ,len = %d\n", addr, len); */
|
||
void *_buf = buf;
|
||
u32 _len = len;
|
||
u32 _lba = addr;
|
||
while (_len) {
|
||
virfat_flash_read((void *)_buf, _lba, 512);
|
||
//printf_buf(_buf, 512);
|
||
_len -= 1;
|
||
_lba += 1;
|
||
_buf += 512;
|
||
}
|
||
return len;
|
||
|
||
/* return virfat_flash_read(buf, addr, len); */
|
||
}
|
||
#endif
|
||
|
||
static int flash_virfat_write(struct device *device, void *buf, u32 len, u32 addr)
|
||
{
|
||
|
||
/* r_printf(">>>[test]:w；addr = %d ,len = %d\n", addr, len); */
|
||
/* return virfat_flash_write(buf, addr, len); */
|
||
void *_buf = buf;
|
||
u32 _len = len;
|
||
u32 _lba = addr;
|
||
while (_len) {
|
||
virfat_flash_write((void *)_buf, _lba, 512);
|
||
//printf_buf(_buf, 512);
|
||
_len -= 1;
|
||
_lba += 1;
|
||
_buf += 512;
|
||
}
|
||
return len;
|
||
|
||
}
|
||
|
||
static bool flash_virfat_online(const struct dev_node *node)
|
||
{
|
||
return 1;
|
||
}
|
||
|
||
#if VIRFAT_FLASH_FAST_WRITE
|
||
int virfat_flash_fast_write_init(void)
|
||
{
|
||
virfat_fast_write_mutex_init();
|
||
return 0;
|
||
}
|
||
early_initcall(virfat_flash_fast_write_init);
|
||
#endif
|
||
|
||
void virfat_flash_flush()
|
||
{
|
||
#if VIRFAT_FLASH_FAST_WRITE
|
||
virfat_fast_write_mutex_pend();
|
||
if (virfat_addr && buf_write && fd) {
|
||
virfat_ioctl(fd, IOCTL_ERASE_SECTOR, virfat_addr);
|
||
int wlen = virfat_write(fd, buf_write, virfat_addr, 4096);
|
||
if (wlen != 4096) {
|
||
/* r_printf(">>>[test]:wlen = %d, len = %d\n", wlen, len); */
|
||
log_e("write error!!!!!!!!!!!!!");
|
||
}
|
||
virfat_addr = 0;
|
||
}
|
||
virfat_fast_write_mutex_post();
|
||
#endif
|
||
}
|
||
|
||
static int flash_virfat_close(struct device *device)
|
||
{
|
||
#if VIRFAT_FLASH_FAST_WRITE
|
||
virfat_fast_write_mutex_pend();
|
||
if (FAST_WRITE_TIMER_ENABLE == 0) {
|
||
virfat_fast_write_free(NULL);
|
||
}
|
||
virfat_fast_write_mutex_post();
|
||
#endif
|
||
dev_close(device);
|
||
return 0;
|
||
}
|
||
static int flash_virfat_ioctrl(struct device *device, u32 cmd, u32 arg)
|
||
{
|
||
int err = 0;
|
||
switch (cmd) {
|
||
case IOCTL_GET_STATUS:
|
||
*(u32 *)arg = 1;
|
||
break;
|
||
case IOCTL_GET_ID:
|
||
virfat_ioctl(fd, IOCTL_GET_ID, arg);
|
||
/* *((u32 *)arg) = 0x12345678; */
|
||
break;
|
||
case IOCTL_GET_CAPACITY:
|
||
*((u32 *)arg) = virfat_flash_capacity();
|
||
break;
|
||
case IOCTL_GET_BLOCK_SIZE:
|
||
*((u32 *)arg) = 512;
|
||
break;
|
||
case IOCTL_ERASE_PAGE:
|
||
case IOCTL_ERASE_SECTOR:
|
||
case IOCTL_ERASE_BLOCK:
|
||
/* y_printf(">>>[test]:in flash_vir eraser addr = %d\n", arg); */
|
||
err = virfat_flash_erase(cmd, arg);
|
||
break;
|
||
case IOCTL_FLUSH:
|
||
/* y_printf("\n >>>[test]:func = %s,line= %d\n",__FUNCTION__, __LINE__); */
|
||
virfat_flash_flush();
|
||
virfat_ioctl(fd, IOCTL_FLUSH, arg);
|
||
if (FATFS_BACKUP_ENABLE) {
|
||
fatfs_backup_flag_clear();
|
||
}
|
||
break;
|
||
case IOCTL_CMD_RESUME:
|
||
break;
|
||
case IOCTL_CMD_SUSPEND:
|
||
break;
|
||
case IOCTL_SET_ASYNC_MODE:
|
||
break;
|
||
default:
|
||
err = -EINVAL;
|
||
break;
|
||
}
|
||
return err;
|
||
}
|
||
|
||
const struct device_operations virfat_flash_dev_ops = {
|
||
.init = flash_virfat_init,
|
||
.online = flash_virfat_online,
|
||
.open = flash_virfat_open,
|
||
.read = flash_virfat_read,
|
||
.write = flash_virfat_write,
|
||
.ioctl = flash_virfat_ioctrl,
|
||
.close = flash_virfat_close,
|
||
};
|
||
|
||
static int _private_sfc_read(void *fd, void *buf, u32 addr, u32 len)
|
||
{
|
||
struct device *device = (struct device *)fd;
|
||
FLASH_PRIVATE_INFO *flash_private_info = (FLASH_PRIVATE_INFO *)device->private_data;
|
||
if (flash_private_info->private_len < (addr + len)) {
|
||
return -1;
|
||
}
|
||
u32 cpu_addr = sdfile_flash_addr2cpu_addr(flash_private_info->flash_private_addr + addr);
|
||
/* r_printf(">>>[test]:cpu_addr = %d, addr = %d\n", cpu_addr, addr); */
|
||
memcpy((u8 *)buf, (u8 *)cpu_addr, len);
|
||
/* put_buf(buf, len); */
|
||
return len;
|
||
}
|
||
|
||
static int _private_sfc_write(void *fd, void *buf, u32 addr, u32 len)
|
||
{
|
||
struct device *device = (struct device *)fd;
|
||
FLASH_PRIVATE_INFO *flash_private_info = (FLASH_PRIVATE_INFO *)device->private_data;
|
||
if (flash_private_info->private_len < (addr + len)) {
|
||
return -1;
|
||
}
|
||
u32 wlen = -1;
|
||
addr += flash_private_info->flash_private_addr;
|
||
/* r_printf(">>>[test]:addr = %d\n", addr); */
|
||
/* put_buf(buf, len); */
|
||
wlen = tzflash_write(buf, len, addr);
|
||
return wlen;
|
||
}
|
||
|
||
static int _private_sfc_ioctl(void *fd, u32 cmd, u32 arg)
|
||
{
|
||
int res = -1;
|
||
struct device *device = (struct device *)fd;
|
||
FLASH_PRIVATE_INFO *flash_private_info = (FLASH_PRIVATE_INFO *)device->private_data;
|
||
if ((cmd == IOCTL_ERASE_SECTOR) || (cmd == IOCTL_ERASE_PAGE) || (cmd == IOCTL_ERASE_BLOCK)) {
|
||
if (flash_private_info->private_len <= arg) {
|
||
return -1;
|
||
}
|
||
arg += flash_private_info->flash_private_addr;
|
||
}
|
||
res = tzflash_ioctl(cmd, arg);
|
||
return res;
|
||
}
|
||
|
||
static int private_sfc_init(const struct dev_node *node, void *arg)
|
||
{
|
||
virfat_mutex_init();
|
||
return 0;
|
||
}
|
||
|
||
static int private_sfc_open(const char *name, struct device **device, void *arg)
|
||
{
|
||
r_printf(">>>[test]:private_sfc open!!!!!!\n");
|
||
virfat_mutex_pend();
|
||
struct device *private_sfc_dev = (struct device *)zalloc(sizeof(struct device));
|
||
FLASH_PRIVATE_INFO *flash_private_info = (FLASH_PRIVATE_INFO *)zalloc(sizeof(FLASH_PRIVATE_INFO));
|
||
/* if (arg) { */
|
||
/* memcpy(flash_private_info->part_name, arg, strlen(arg)); */
|
||
/* } */
|
||
virfat_get_cpu_fatfs_addr(arg, &flash_private_info->flash_private_addr, &flash_private_info->private_len);
|
||
private_sfc_dev->private_data = flash_private_info;
|
||
*device = private_sfc_dev;
|
||
virfat_mutex_post();
|
||
ASSERT(boot_info.vm.align >= 8, "virfat_flash erase sector < 4K is not support!!!!!!!!!");
|
||
return 0;
|
||
}
|
||
|
||
int private_sfc_read(struct device *device, void *buf, u32 len, u32 addr)
|
||
{
|
||
/* y_printf(">>>[test]:r；addr = %d ,len = %d\n", addr, len); */
|
||
virfat_mutex_pend();
|
||
int rlen = _private_sfc_read(device, buf, addr, len);
|
||
virfat_mutex_post();
|
||
return rlen;
|
||
}
|
||
|
||
static int private_sfc_write(struct device *device, void *buf, u32 len, u32 addr)
|
||
{
|
||
|
||
/* r_printf(">>>[test]:w；addr = %d ,len = %d\n", addr, len); */
|
||
virfat_mutex_pend();
|
||
int wlen = _private_sfc_write(device, buf, addr, len);
|
||
virfat_mutex_post();
|
||
return wlen;
|
||
}
|
||
|
||
static bool private_sfc_online(const struct dev_node *node)
|
||
{
|
||
return 1;
|
||
}
|
||
|
||
static int private_sfc_close(struct device *device)
|
||
{
|
||
virfat_mutex_pend();
|
||
dev_close(device);
|
||
if (device->private_data) {
|
||
free(device->private_data);
|
||
}
|
||
free(device);
|
||
virfat_mutex_post();
|
||
return 0;
|
||
}
|
||
static int private_sfc_ioctrl(struct device *device, u32 cmd, u32 arg)
|
||
{
|
||
virfat_mutex_pend();
|
||
int err = 0;
|
||
FLASH_PRIVATE_INFO *flash_private_info = (FLASH_PRIVATE_INFO *)device->private_data;
|
||
switch (cmd) {
|
||
case IOCTL_GET_STATUS:
|
||
*(u32 *)arg = 1;
|
||
break;
|
||
case IOCTL_GET_ID:
|
||
/* virfat_ioctl(device, IOCTL_GET_ID, arg); */
|
||
/* *((u32 *)arg) = 0x12345678; */
|
||
break;
|
||
case IOCTL_GET_CAPACITY:
|
||
*((u32 *)arg) = flash_private_info->private_len;
|
||
break;
|
||
case IOCTL_GET_BLOCK_SIZE:
|
||
*((u32 *)arg) = 512;
|
||
break;
|
||
case IOCTL_ERASE_PAGE:
|
||
case IOCTL_ERASE_SECTOR:
|
||
case IOCTL_ERASE_BLOCK:
|
||
/* y_printf(">>>[test]:in flash_vir eraser addr = %d\n", arg); */
|
||
err = _private_sfc_ioctl(device, cmd, arg);
|
||
break;
|
||
case IOCTL_FLUSH:
|
||
break;
|
||
case IOCTL_CMD_RESUME:
|
||
break;
|
||
case IOCTL_CMD_SUSPEND:
|
||
break;
|
||
case IOCTL_SET_ASYNC_MODE:
|
||
break;
|
||
default:
|
||
err = -EINVAL;
|
||
break;
|
||
}
|
||
virfat_mutex_post();
|
||
return err;
|
||
}
|
||
|
||
const struct device_operations private_sfc_dev_ops = {
|
||
.init = private_sfc_init,
|
||
.online = private_sfc_online,
|
||
.open = private_sfc_open,
|
||
.read = private_sfc_read,
|
||
.write = private_sfc_write,
|
||
.ioctl = private_sfc_ioctrl,
|
||
.close = private_sfc_close,
|
||
};
|
||
|
||
#else
|
||
void virfat_flash_get_dirinfo(void *file_buf, u32 *file_num)
|
||
{
|
||
*file_num = 0;
|
||
};
|
||
|
||
u32 virfat_flash_read_watch(void *buf, u32 addr_sec, u32 len)
|
||
{
|
||
return 0;
|
||
}
|
||
u32 virfat_flash_write_watch(void *buf, u32 addr_sec, u32 len)
|
||
{
|
||
return 0;
|
||
}
|
||
u32 virfat_flash_erase_watch(int cmd, u32 arg)
|
||
{
|
||
return 0;
|
||
}
|
||
u32 virfat_flash_capacity()
|
||
{
|
||
return 0;
|
||
}
|
||
u32 virfat_flash_get_real_capacity()
|
||
{
|
||
return 0;
|
||
}
|
||
#endif
|