K 10 svn:author V 6 jrtc27 K 8 svn:date V 27 2020-07-26T18:15:16.007936Z K 7 svn:log V 541 Add Goldfish RTC device driver for RISC-V This device was originally used as part of the goldfish virtual hardware platform used for emulating Android on QEMU, but is now also used as the RTC for the RISC-V virt machine in QEMU. It provides a simple 64-bit nanosecond timer exposed via a pair of memory-mapped 32-bit registers, although only with 1s granularity. Reviewed by: brooks (mentor), jhb (mentor), kp Approved by: brooks (mentor), jhb (mentor), kp Obtained from: CheriBSD Differential Revision: https://reviews.freebsd.org/D25717 END