mirror of
https://github.com/trezor/trezor-firmware.git
synced 2024-12-23 06:48:16 +00:00
bootloader: refactor flash erase after first chunk is received
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parent
5f1632c5fa
commit
6e81a68fbe
@ -175,7 +175,7 @@ void ui_screen_install(void)
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void ui_screen_install_progress_erase(int pos, int len)
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void ui_screen_install_progress_erase(int pos, int len)
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{
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{
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display_loader(250 * pos / len, -20, COLOR_BL_PROCESS, COLOR_WHITE, toi_icon_install, sizeof(toi_icon_install), COLOR_BLACK);
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display_loader(200 + 200 * pos / len, -20, COLOR_BL_PROCESS, COLOR_WHITE, toi_icon_install, sizeof(toi_icon_install), COLOR_BLACK);
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}
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}
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void ui_screen_install_progress_upload(int pos)
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void ui_screen_install_progress_upload(int pos)
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@ -189,6 +189,7 @@ static secbool bootloader_usb_loop(const vendor_header * const vhdr, const image
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return secfalse; // shutdown
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return secfalse; // shutdown
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} else
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} else
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if (r == 0) { // last chunk received
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if (r == 0) { // last chunk received
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ui_screen_install_progress_upload(1000);
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ui_fadeout();
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ui_fadeout();
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ui_screen_done(4, sectrue);
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ui_screen_done(4, sectrue);
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ui_fadein();
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ui_fadein();
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@ -279,14 +279,6 @@ void process_msg_FirmwareErase(uint8_t iface_num, uint32_t msg_size, uint8_t *bu
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firmware_remaining = msg_recv.has_length ? msg_recv.length : 0;
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firmware_remaining = msg_recv.has_length ? msg_recv.length : 0;
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if ((firmware_remaining > 0) && ((firmware_remaining % 4) == 0) && (firmware_remaining <= (FIRMWARE_SECTORS_COUNT * IMAGE_CHUNK_SIZE))) {
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if ((firmware_remaining > 0) && ((firmware_remaining % 4) == 0) && (firmware_remaining <= (FIRMWARE_SECTORS_COUNT * IMAGE_CHUNK_SIZE))) {
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// erase flash
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if (sectrue != flash_erase_sectors(firmware_sectors, FIRMWARE_SECTORS_COUNT, ui_screen_install_progress_erase)) {
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MSG_SEND_INIT(Failure);
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MSG_SEND_ASSIGN_VALUE(code, FailureType_Failure_ProcessError);
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MSG_SEND_ASSIGN_STRING(message, "Could not erase flash");
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MSG_SEND(Failure);
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return;
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}
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// request new firmware
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// request new firmware
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chunk_requested = (firmware_remaining > IMAGE_CHUNK_SIZE) ? IMAGE_CHUNK_SIZE : firmware_remaining;
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chunk_requested = (firmware_remaining > IMAGE_CHUNK_SIZE) ? IMAGE_CHUNK_SIZE : firmware_remaining;
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MSG_SEND_INIT(FirmwareRequest);
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MSG_SEND_INIT(FirmwareRequest);
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@ -294,6 +286,7 @@ void process_msg_FirmwareErase(uint8_t iface_num, uint32_t msg_size, uint8_t *bu
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MSG_SEND_ASSIGN_VALUE(length, chunk_requested);
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MSG_SEND_ASSIGN_VALUE(length, chunk_requested);
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MSG_SEND(FirmwareRequest);
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MSG_SEND(FirmwareRequest);
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} else {
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} else {
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// invalid firmware size
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MSG_SEND_INIT(Failure);
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MSG_SEND_INIT(Failure);
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MSG_SEND_ASSIGN_VALUE(code, FailureType_Failure_DataError);
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MSG_SEND_ASSIGN_VALUE(code, FailureType_Failure_DataError);
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MSG_SEND_ASSIGN_STRING(message, "Wrong firmware size");
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MSG_SEND_ASSIGN_STRING(message, "Wrong firmware size");
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@ -323,7 +316,14 @@ static bool _read_payload(pb_istream_t *stream, const pb_field_t *field, void **
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while (stream->bytes_left) {
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while (stream->bytes_left) {
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// update loader
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// update loader
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ui_screen_install_progress_upload(250 + 750 * (firmware_block * IMAGE_CHUNK_SIZE + chunk_written) / (firmware_block * IMAGE_CHUNK_SIZE + firmware_remaining));
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if (firmware_block == 0) {
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// first chunk is 0 - 200
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// followed by erase 200 - 400
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ui_screen_install_progress_upload(200 * chunk_written / chunk_size);
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} else {
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// remaining chunks are 400 - 1000
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ui_screen_install_progress_upload(400 + 600 * (firmware_block * IMAGE_CHUNK_SIZE + chunk_written) / (firmware_block * IMAGE_CHUNK_SIZE + firmware_remaining));
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}
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// read data
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// read data
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if (!pb_read(stream, (pb_byte_t *)(chunk_buffer + chunk_written), (stream->bytes_left > BUFSIZE) ? BUFSIZE : stream->bytes_left)) {
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if (!pb_read(stream, (pb_byte_t *)(chunk_buffer + chunk_written), (stream->bytes_left > BUFSIZE) ? BUFSIZE : stream->bytes_left)) {
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chunk_size = 0;
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chunk_size = 0;
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@ -417,6 +417,7 @@ int process_msg_FirmwareUpload(uint8_t iface_num, uint32_t msg_size, uint8_t *bu
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};
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};
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ensure(flash_erase_sectors(sectors_storage, sizeof(sectors_storage), NULL), NULL);
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ensure(flash_erase_sectors(sectors_storage, sizeof(sectors_storage), NULL), NULL);
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}
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}
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ensure(flash_erase_sectors(firmware_sectors, FIRMWARE_SECTORS_COUNT, ui_screen_install_progress_erase), NULL);
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firstskip = IMAGE_HEADER_SIZE + vhdr.hdrlen;
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firstskip = IMAGE_HEADER_SIZE + vhdr.hdrlen;
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}
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}
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