diff options
Diffstat (limited to 'boot.c')
| -rw-r--r-- | boot.c | 244 |
1 files changed, 45 insertions, 199 deletions
@@ -26,187 +26,40 @@ #include <sahara.h> #include <i9305.h> -int hello_handshake(int tty_fd) +int configure_tty(int *tty_fd, time_t timeout_sec, long int timeout_usec) { - struct sah_hello_req hello_req; - struct sah_hello_resp hello_resp; - int rc; - - rc = read(tty_fd, &hello_req, sizeof(hello_req)); - if (rc < (int) sizeof(hello_req) - || hello_req.header.command != SAH_COMMAND_HELLO_REQ) { - printf("error receiving hello\n"); - return -1; - } - - if (hello_req.mode != SAH_MODE_TRANSFER_PENDING - && hello_req.mode != SAH_MODE_TRANSFER_COMPLETE) { - printf("requested SAHARA mode %d is not supported\n", hello_req.mode); - return -1; - } - - hello_resp.header.command = SAH_COMMAND_HELLO_RESP; - hello_resp.header.packet_size = sizeof(hello_resp); - hello_resp.version = hello_req.version; - hello_resp.min_version = hello_req.min_version; - hello_resp.status = 0; - hello_resp.mode = hello_req.mode; - - rc = write(tty_fd, &hello_resp, sizeof(hello_resp)); - if (rc < (int) sizeof(hello_resp)) { - printf("failed to write hello response\n"); - return -1; - } - - return 0; -} - -int file_for_id(unsigned int id, char **file) -{ - switch (id) { - case 6: - *file = FILE_APPS; - break; - case 8: - *file = FILE_DSP1; - break; - case 12: - *file = FILE_DSP2; - break; - case 16: - *file = FILE_EFS1; - break; - case 17: - *file = FILE_EFS2; - break; - case 20: - *file = FILE_EFS3; - break; - case 21: - *file = FILE_SBL1; - break; - case 22: - *file = FILE_SBL2; - break; - case 23: - *file = FILE_RPM; - break; - case 28: - *file = FILE_DSP3; - break; - case 29: - *file = FILE_ACDB; - break; - default: - return -1; - } - - return 0; -} - -int send_data(int tty_fd, struct sah_header *header) -{ - struct sah_data_req data_req; - char *file = NULL; - int file_fd; - char file_data[MAX_DATA_SEND_SIZE]; - int rc; - - rc = read(tty_fd, header, sizeof(*header)); - if (rc < (int) sizeof(header)) { - printf("failed to receive header for data request\n"); - return -1; - } - - if (header->command == SAH_COMMAND_DATA_END_REQ) - return 1; - - rc = read(tty_fd, &data_req, sizeof(data_req)); - if (rc < (int) sizeof(data_req)) { - printf("error receiving data req\n"); - return -1; - } - - if(data_req.size > MAX_DATA_SEND_SIZE) { - printf("requested data size is too big\n"); - return -1; - } - - rc = file_for_id(data_req.id, &file); - if (rc < 0) { - printf("failed to identify requested file\n"); - return -1; - } - - file_fd = open(file, O_RDONLY); - if (file_fd < 0) { - printf("failed to open requested file\n"); - return -1; - } - - lseek(file_fd, data_req.offset, SEEK_SET); - - rc = read(file_fd, &file_data, data_req.size); - if (rc < (int) data_req.size) { - printf("failed to read data from file\n"); - return -1; - } - - write(tty_fd, &file_data, data_req.size); - if (rc < (int) data_req.size) { - printf("failed to send data\n"); - } - - return 0; -} - -int send_file(int tty_fd, struct sah_data_end_ack *data_end_ack) -{ - struct sah_header header; - struct sah_data_end_req data_end_req; + int tty_dev; + struct termios termios; + struct timeval timeout; + fd_set fds; int rc; - rc = hello_handshake(tty_fd); - if (rc < 0) { - printf("failed to do hello handshake\n"); - return -1; - } - - do { - rc = send_data(tty_fd, &header); - if (rc < 0) { - printf("error while sending data\n"); - return -1; - } - } while (header.command == SAH_COMMAND_DATA_REQ); - - rc = read(tty_fd, &data_end_req, sizeof(data_end_req)); - if (rc < (int) sizeof(data_end_req)) { - printf("error receiving data end request\n"); + tty_dev = open(TTY_DEVICE, O_RDWR | O_SYNC); + if (tty_dev < 0) { + printf("failed to open modem tty device\n"); return -1; + } else { + printf("opened modem tty device\n"); } - if (data_end_req.status != 0) { - printf("file transfer end status is nonzero\n"); - return -1; - } + tcgetattr(tty_dev, &termios); + cfmakeraw(&termios); + cfsetispeed(&termios, B9600); + cfsetospeed(&termios, B9600); + tcsetattr(tty_dev, TCSANOW, &termios); - printf("id %d: file transfer complete\n", data_end_req.id); + FD_ZERO(&fds); + FD_SET(tty_dev, &fds); + timeout.tv_sec = timeout_sec; + timeout.tv_usec = timeout_usec; - header.command = SAH_COMMAND_DATA_END_RESP; - header.packet_size = 8; - rc = write(tty_fd, &header, sizeof(header)); - if (rc < (int) sizeof(header)) { - printf("failed to write data end response\n"); + rc = select(tty_dev+1, NULL, &fds, NULL, &timeout); + if (rc <= 0) { + printf("failed to set timeout\n"); return -1; } - rc = read(tty_fd, data_end_ack, sizeof(*data_end_ack)); - if (rc < (int) sizeof(*data_end_ack) - || data_end_ack->header.command != SAH_COMMAND_DATA_END_ACK) { - printf("error receiving data end ack\n"); - return -1; - } + *tty_fd = tty_dev; return 0; } @@ -214,12 +67,8 @@ int send_file(int tty_fd, struct sah_data_end_ack *data_end_ack) int main() { int mdm_dev, tty_dev; - struct termios termios; - struct timeval timeout; - fd_set fds; - + int mode; struct sah_data_end_ack data_end_ack; - int rc; mdm_dev = open(MDM_DEVICE, O_RDONLY | O_NONBLOCK); @@ -240,29 +89,9 @@ int main() // wait until modem is awake sleep(2); - tty_dev = open(TTY_DEVICE, O_RDWR | O_SYNC); - if (tty_dev < 0) { - printf("failed to open modem tty device\n"); - return -1; - } - else { - printf("opened modem tty device\n"); - } - - tcgetattr(tty_dev, &termios); - cfmakeraw(&termios); - cfsetispeed(&termios, B9600); - cfsetospeed(&termios, B9600); - tcsetattr(tty_dev, TCSANOW, &termios); - - FD_ZERO(&fds); - FD_SET(tty_dev, &fds); - timeout.tv_sec = 2; - timeout.tv_usec = 0; - - rc = select(tty_dev + 1, NULL, &fds, NULL, &timeout); - if (rc <= 0) { - printf("failed to set timeout\n"); + rc = configure_tty(&tty_dev, 2, 0); + if (rc < 0) { + printf("failed to configure serial interface\n"); return -1; } @@ -276,6 +105,9 @@ int main() if(data_end_ack.status == 1) { printf("all files transferred\n"); + } else { + printf("unknown status for data end ack\n"); + return -1; } close(tty_dev); @@ -285,7 +117,6 @@ int main() printf("failed to wait for normal boot\n"); return -1; } - printf("waited for normal boot\n"); rc = ioctl(mdm_dev, WAIT_FOR_ERROR); @@ -302,5 +133,20 @@ int main() else printf("error: cdc-wdm device does not exist\n"); + printf("\nconfiguring EFS sync\n"); + + rc = configure_tty(&tty_dev, 0, 500000); + if (rc < 0) { + printf("failed to configure serial interface\n"); + } + + while (1) { + rc = handle_memory_debug(tty_dev); + if (rc < 0) { + printf("error during modem operation\n"); + return -1; + } + } + return 0; } |