> I haven't check if the RISC-V fork already has merged a JTAG-AP > implementation.
FWIW, I'm pretty sure that it hasn't. * https://github.com/search?q=repo%3Ariscv%2Friscv-openocd%20jtag-ap&type=code * https://github.com/search?q=repo%3Ariscv%2Friscv-openocd%20jtag_ap&type=code * https://github.com/search?q=repo%3Aopenocd-org%2Fopenocd%20jtag-ap&type=code * https://github.com/search?q=repo%3Aopenocd-org%2Fopenocd%20jtag_ap&type=code