// Copyright 2020-2021 Beken // // Licensed under the Apache License, Version 2.0 (the "License"); // you may not use this file except in compliance with the License. // You may obtain a copy of the License at // // http://www.apache.org/licenses/LICENSE-2.0 // // Unless required by applicable law or agreed to in writing, software // distributed under the License is distributed on an "AS IS" BASIS, // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. // See the License for the specific language governing permissions and // limitations under the License. #include #include #include #include #include #include #include "flash_ipc.h" #include #include #include "../../../components/bk_rtos/rtos_ext.h" #if CONFIG_CACHE_ENABLE #include "cache.h" #endif #define TAG "flash_s" // #define DYNAMIC_FLASH_BUFFER #define LOCAL_TRACE_E (1) #define LOCAL_TRACE_I (0) #define TRACE_E(...) do { if(LOCAL_TRACE_E) BK_LOGE(__VA_ARGS__); } while(0) #define TRACE_I(...) do { if(LOCAL_TRACE_I) BK_LOGI(__VA_ARGS__); } while(0) #define FLASH_SVR_PRIORITY BEKEN_DEFAULT_WORKER_PRIORITY #define FLASH_SVR_STACK_SIZE 1536 #define FLASH_SVR_CONNECT_MAX 2 /* connection ID bits, 8 bits for max 8 connections (0x01 ~ 0xFF). */ #define FLASH_SVR_CONNECT_EVENTS ((0x01 << (FLASH_SVR_CONNECT_MAX)) - 1) // 0x03 #define FLASH_SVR_QUIT_EVENT (0x100) #define FLASH_SVR_EVENTS (FLASH_SVR_CONNECT_EVENTS | FLASH_SVR_QUIT_EVENT) #define FLASH_SVR_WAIT_TIME 10 static u8 s_flash_svr_init = 0; static rtos_event_ext_t flash_svr_event; #ifndef DYNAMIC_FLASH_BUFFER static u8 flash_buff[MAX(FLASH_IPC_READ_SIZE, FLASH_IPC_WRITE_SIZE)]; #endif static const uint32_t crc32_table[] = { 0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f, 0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988, 0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2, 0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7, 0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9, 0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172, 0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c, 0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59, 0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423, 0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924, 0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106, 0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433, 0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d, 0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e, 0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950, 0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65, 0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7, 0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0, 0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa, 0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f, 0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81, 0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a, 0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84, 0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1, 0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb, 0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc, 0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e, 0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b, 0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55, 0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236, 0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28, 0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d, 0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f, 0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38, 0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242, 0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777, 0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69, 0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2, 0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc, 0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9, 0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693, 0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94, 0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d }; uint32_t calc_crc32_xor(uint32_t crc, const void *buf, size_t size) { const uint8_t *p; p = (const uint8_t *)buf; crc = crc ^ ~0U; while (size--) { crc = crc32_table[(crc ^ *p++) & 0xFF] ^ (crc >> 8); } return crc ^ ~0U; } static uint32_t calc_crc32(uint32_t crc, const uint8_t *buf, int len) { while(len--) { crc = (crc >> 8)^(crc32_table[(crc^*buf++)&0xff]); } return crc; } /* extern uint32_t calc_crc32_xor(uint32_t crc, const void *buf, size_t size); extern uint32_t calc_crc32(uint32_t crc, const uint8_t *buf, int len); */ static void flash_error_handler(u32 handle, u8 user_cmd) { flash_cmd_t cmd_buff; memset(&cmd_buff, 0, sizeof(cmd_buff)); cmd_buff.ret_status = BK_FAIL; mb_ipc_send(handle, user_cmd, (u8 *)&cmd_buff, sizeof(cmd_buff), FLASH_SVR_WAIT_TIME); } static void flash_erase_handler(u32 handle, flash_cmd_t *cmd_buff) { cmd_buff->ret_status = bk_flash_erase_sector(cmd_buff->addr); int ret_val = mb_ipc_send(handle, FLASH_CMD_ERASE_SECTOR, (u8 *)cmd_buff, sizeof(flash_cmd_t), FLASH_SVR_WAIT_TIME); if(ret_val != 0) TRACE_E(TAG, "0x%x, erase-0x%x : %d, %d.\r\n", handle, cmd_buff->addr, cmd_buff->ret_status, ret_val); (void)ret_val; } static void flash_read_handler(u32 handle, flash_cmd_t *cmd_buff, u8 connect_id) { int read_status = BK_OK; #ifdef DYNAMIC_FLASH_BUFFER u8 * read_buff = os_malloc(cmd_buff->len); if(read_buff == NULL) { flash_error_handler(handle, FLASH_CMD_READ); TRACE_E(TAG, "%s @%d, 0x%x memory overrun!\r\n", __FUNCTION__, __LINE__, handle); return; } #else u8 * read_buff = flash_buff; if(cmd_buff->len > sizeof(flash_buff)) { flash_error_handler(handle, FLASH_CMD_READ); TRACE_E(TAG, "%s @%d, 0x%x buffer overflow!\r\n", __FUNCTION__, __LINE__, handle); return; } #endif read_status = bk_flash_read_bytes(cmd_buff->addr, read_buff, cmd_buff->len); cmd_buff->ret_status = read_status; cmd_buff->buff = read_buff; cmd_buff->crc = calc_crc32(0, read_buff, cmd_buff->len); int ret_val; ret_val = mb_ipc_send(handle, FLASH_CMD_READ, (u8 *)cmd_buff, sizeof(flash_cmd_t), FLASH_SVR_WAIT_TIME); if(read_status != BK_OK) { #ifdef DYNAMIC_FLASH_BUFFER os_free(read_buff); #endif TRACE_E(TAG, "%s @%d, 0x%x read failed!\r\n", __FUNCTION__, __LINE__, handle); return; } if(ret_val != 0) { (*read_buff) ^= 0x01; // make crc not match #ifdef DYNAMIC_FLASH_BUFFER os_free(read_buff); #endif TRACE_E(TAG, "%s @%d, 0x%x send failed!\r\n", __FUNCTION__, __LINE__, handle); return; } u32 event = rtos_wait_event_ex(&flash_svr_event, (0x01 << connect_id), 1, FLASH_SVR_WAIT_TIME); if(event == 0) { (*read_buff) ^= 0x01; // make crc not match #ifdef DYNAMIC_FLASH_BUFFER os_free(read_buff); #endif TRACE_E(TAG, "%s @%d, 0x%x read done failed!\r\n", __FUNCTION__, __LINE__, handle); return; } memset(cmd_buff, 0, sizeof(flash_cmd_t)); u8 user_cmd = INVALID_USER_CMD_ID; ret_val = mb_ipc_recv(handle, &user_cmd, (u8 *)cmd_buff, sizeof(flash_cmd_t), FLASH_SVR_WAIT_TIME); if((ret_val != sizeof(flash_cmd_t)) || (user_cmd != FLASH_CMD_READ_DONE)) { TRACE_E(TAG, "%s @%d, 0x%x recv cmd%d, %d, 0x%x!\r\n", __FUNCTION__, __LINE__, handle, user_cmd, ret_val, event); } else { memset(cmd_buff, 0, sizeof(flash_cmd_t)); cmd_buff->ret_status = BK_OK; // it is just a handshake. every recv from client must have a send. mb_ipc_send(handle, FLASH_CMD_READ_DONE, (u8 *)cmd_buff, sizeof(flash_cmd_t), FLASH_SVR_WAIT_TIME); } (*read_buff) ^= 0x01; // make crc not match #ifdef DYNAMIC_FLASH_BUFFER os_free(read_buff); #endif TRACE_I(TAG, "0x%x read done %d.\r\n", handle, user_cmd); return; } static void flash_write_handler(u32 handle, flash_cmd_t *cmd_buff) { u16 cpy_len, write_len = 0; int write_status = BK_OK; int line_num; #ifdef DYNAMIC_FLASH_BUFFER u8 * write_buff = os_malloc(cmd_buff->len); u32 buff_len = cmd_buff->len; if(write_buff == NULL) { flash_error_handler(handle, FLASH_CMD_WRITE); TRACE_E(TAG, "%s @%d, 0x%x memory overrun!\r\n", __FUNCTION__, __LINE__, handle); return; } #else u8 * write_buff = flash_buff; u32 buff_len = sizeof(flash_buff); #endif while(cmd_buff->len > write_len) { #if CONFIG_CACHE_ENABLE flush_dcache(cmd_buff->buff, cmd_buff->len); #endif cpy_len = MIN(buff_len, (cmd_buff->len - write_len)); memcpy(write_buff, cmd_buff->buff + write_len, cpy_len); // check data validity after memcpy. if(cmd_buff->crc != calc_crc32(0, cmd_buff->buff, cmd_buff->len)) { write_status = BK_FAIL; line_num = __LINE__; break; } write_status = bk_flash_write_bytes(cmd_buff->addr + write_len, (u8 *)write_buff, cpy_len); if(write_status != BK_OK) { line_num = __LINE__; break; } write_len += cpy_len; } cmd_buff->ret_status = write_status; int ret_val = mb_ipc_send(handle, FLASH_CMD_WRITE, (u8 *)cmd_buff, sizeof(flash_cmd_t), FLASH_SVR_WAIT_TIME); #ifdef DYNAMIC_FLASH_BUFFER os_free(write_buff); #endif if(ret_val != 0) TRACE_E(TAG, "0x%x, write-0x%x : %d, %d.\r\n", handle, cmd_buff->addr, cmd_buff->ret_status, ret_val); if(write_status != BK_OK) TRACE_E(TAG, "%s @%d, data=%d wr_len=%d.\r\n", __FUNCTION__, line_num, write_status, write_len); (void)ret_val; } static void flash_cmd_handler(u32 handle, u8 connect_id) { int recv_len = mb_ipc_get_recv_data_len(handle); flash_cmd_t cmd_buff; u8 user_cmd = INVALID_USER_CMD_ID; memset(&cmd_buff, 0, sizeof(cmd_buff)); if(recv_len != sizeof( cmd_buff)) { mb_ipc_recv(handle, &user_cmd, NULL, 0, 0); // data_buff == NULL or buff_len == 0 just discard all data. // if client wait_forever, then must send a response even if user_cmd == INVALID_USER_CMD_ID. // flash client does not wait forever, so only respond then cmd is valid. if(user_cmd != INVALID_USER_CMD_ID) flash_error_handler(handle, user_cmd); TRACE_E(TAG, "recv user_cmd=%d, data len failed! %d\r\n", user_cmd, recv_len); return; } recv_len = mb_ipc_recv(handle, &user_cmd, (u8 *)&cmd_buff, sizeof(cmd_buff), 0); if(recv_len != sizeof( cmd_buff)) { // if client wait_forever, then must send a response even if user_cmd == INVALID_USER_CMD_ID. // flash client does not wait forever, so only respond then cmd is valid. if(user_cmd != INVALID_USER_CMD_ID) flash_error_handler(handle, user_cmd); TRACE_E(TAG, "recv user_cmd=%d, data len failed! %d\r\n", user_cmd, recv_len); return; } switch(user_cmd) { // flash driver cmds. // these flash driver cmds should be turned off when all APPs have been updated to use flash partition APIs. #if 1 case FLASH_CMD_ERASE_SECTOR: flash_erase_handler(handle, &cmd_buff); break; case FLASH_CMD_READ: flash_read_handler(handle, &cmd_buff, connect_id); break; case FLASH_CMD_WRITE: flash_write_handler(handle, &cmd_buff); break; #endif default: flash_error_handler(handle, user_cmd); TRACE_E(TAG, "recv unknown user_cmd=%d\r\n", user_cmd); break; } return; } /* ======================================================== * * FLASH-SERVER * ==========================================================*/ static u32 flash_svr_rx_callback(u32 handle, u32 connect_id) { u32 connect_flag; if(connect_id >= FLASH_SVR_CONNECT_MAX) return 0; connect_flag = 0x01 << connect_id; rtos_set_event_ex(&flash_svr_event, connect_flag); return 0; } static void flash_svr_connect_handler(u32 handle, u8 connect_id) { u32 cmd_id; int ret_val = mb_ipc_get_recv_event(handle, &cmd_id); if(ret_val != 0) // failed { TRACE_E(TAG, "get evt fail %x %d.\r\n", handle, ret_val); return; } if(cmd_id > MB_IPC_CMD_MAX) { TRACE_E(TAG, "cmd-id error %d.\r\n", cmd_id); return; } u8 src =0, dst = 0; extern int mb_ipc_get_connection(u32 handle, u8 *src, u8 * dst); mb_ipc_get_connection(handle, &src, &dst); if(cmd_id == MB_IPC_SEND_CMD) { flash_cmd_handler(handle, connect_id); } #if 0 else if(cmd_id == MB_IPC_DISCONNECT_CMD) { TRACE_I(TAG, "disconnect 0x%x, %x-%x.\r\n", handle, src, dst); } else if(cmd_id == MB_IPC_CONNECT_CMD) { TRACE_I(TAG, "connect 0x%x, %x-%x.\r\n", handle, src, dst); } #endif else /* any other commands. */ { TRACE_I(TAG, "cmd=%d, 0x%x, %x-%x.\r\n", cmd_id, handle, src, dst); } } static void flash_server_task(void * param) { u32 handle; u32 connect_handle; if(rtos_init_event_ex(&flash_svr_event) != BK_OK) { rtos_delete_thread(NULL); return; } handle = mb_ipc_socket(IPC_GET_ID_PORT(FLASH_SERVER), flash_svr_rx_callback); if(handle == 0) { TRACE_E("ipc_svr", "create_socket failed.\r\n"); rtos_deinit_event_ex(&flash_svr_event); rtos_delete_thread(NULL); return ; } s_flash_svr_init = 2; while(1) { u32 event = rtos_wait_event_ex(&flash_svr_event, FLASH_SVR_EVENTS, 1, BEKEN_WAIT_FOREVER); if(event == 0) // timeout. { continue; } if(event & FLASH_SVR_QUIT_EVENT) { break; } for(int i = 0; i < FLASH_SVR_CONNECT_MAX; i++) { if(event & (0x01 << i)) { connect_handle = mb_ipc_server_get_connect_handle(handle, i); flash_svr_connect_handler(connect_handle, i); } } } mb_ipc_server_close(handle, FLASH_SVR_WAIT_TIME); rtos_deinit_event_ex(&flash_svr_event); s_flash_svr_init = 0; rtos_delete_thread(NULL); } bk_err_t bk_flash_svr_init(void) { if(s_flash_svr_init) return BK_OK; s_flash_svr_init = 1; #if CONFIG_SYS_CPU0 #if IPC_GET_ID_CPU(FLASH_SERVER) != 0 // != CPU0. #error server cpu configuration error! #endif int ret_val; ret_val = rtos_create_thread(NULL, FLASH_SVR_PRIORITY, "flash_svr", flash_server_task, FLASH_SVR_STACK_SIZE, NULL); return ret_val; #endif return BK_OK; } bk_err_t bk_flash_svr_deinit(void) { if(s_flash_svr_init != 2) return BK_OK; s_flash_svr_init = 1; rtos_set_event_ex(&flash_svr_event, FLASH_SVR_QUIT_EVENT); return BK_OK; }