diff --git a/src/svf/svf.c b/src/svf/svf.c index 00e88361e..c94461cab 100644 --- a/src/svf/svf.c +++ b/src/svf/svf.c @@ -653,11 +653,17 @@ static int svf_check_tdo(void) { if ((svf_tdi_buffer[index + j] & svf_mask_buffer[index + j]) != svf_tdo_buffer[index + j]) { - LOG_ERROR("tdo check error at line %d, read = 0x%X, want = 0x%X, mask = 0x%X", + unsigned bitmask = (1 << svf_check_tdo_para[i].bit_len) - 1; + unsigned received, expected, tapmask; + memcpy(&received, svf_tdi_buffer + index, sizeof(unsigned)); + memcpy(&expected, svf_tdo_buffer + index, sizeof(unsigned)); + memcpy(&tapmask, svf_mask_buffer + index, sizeof(unsigned)); + LOG_ERROR("tdo check error at line %d, " + "read = 0x%X, want = 0x%X, mask = 0x%X", svf_check_tdo_para[i].line_num, - (*(int*)(svf_tdi_buffer + index)) & ((1 << svf_check_tdo_para[i].bit_len) - 1), - (*(int*)(svf_tdo_buffer + index)) & ((1 << svf_check_tdo_para[i].bit_len) - 1), - (*(int*)(svf_mask_buffer + index)) & ((1 << svf_check_tdo_para[i].bit_len) - 1)); + received & bitmask, + expected & bitmask, + tapmask & bitmask); return ERROR_FAIL; } } @@ -1381,8 +1387,11 @@ static int svf_run_command(struct command_context_s *cmd_ctx, char *cmd_str) // output debug info if ((SIR == command) || (SDR == command)) { + int read_value; + memcpy(&read_value, svf_tdi_buffer, sizeof(int)); // in debug mode, data is from index 0 - LOG_DEBUG("\tTDO read = 0x%X", (*(int*)svf_tdi_buffer) & ((1 << (svf_check_tdo_para[0].bit_len)) - 1)); + int read_mask = (1 << (svf_check_tdo_para[0].bit_len)) - 1; + LOG_DEBUG("\tTDO read = 0x%X", read_value & read_mask); } } }