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* RISC-V: add nmon nano-monitorAntony Pavlov2019-01-071-0/+8
| | | | | | | | | | | | | | nmon is a tiny (<1024 bytes) monitor program for the RV32I processors. It can operate with NO working RAM at all! It uses only the processor registers and NS16550-compatible UART port for operation, so it can be used for a memory controller setup code debugging. Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
* Add initial RISC-V architecture supportAntony Pavlov2019-01-074-0/+135
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com> Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>