tree 8d6ca9eb9b58e6b6f4fee1efb2dabb80216a423e
parent fa1c24d14baf903c549fdb4f30a55b115eccad7d
author Michael Brown <mcb30@ipxe.org> 1729597908 +0100
committer Michael Brown <mcb30@ipxe.org> 1729597908 +0100

[riscv] Add support for the SBI debug console

Add the ability to issue Supervisor Binary Interface (SBI) calls via
the ECALL instruction, and use the SBI DBCN extension to implement a
debug console.

Signed-off-by: Michael Brown <mcb30@ipxe.org>