A novel method for on-chip debugging based on RISC-V processor Shan Gao, Dehua Wu, Wan’ang Xiao, Zetao Wang, Zhenghong Yang and Wanlin Gao MATEC Web Conf., 355 (2022) 03055 Published online: 12 January 2022 DOI: 10.1051/matecconf/202235503055