在2024年9月10日九月 下午9:07，Serge Semin写道： [...] > Both MIPS P5600 and P6600 databooks define the GCR_BASE field as > optionally R/W: > > GCR_BASE 31:15 This field sets the base address of the 32KB R or R/W > GCR block of the P5600 MPS. (IP Config- > This register has a fixed value after reset if uration) > configured as Read-Only (an IP Configuration Option). > Thanks for the pointer, I traced code history and it seems like MIPS decided to not expose this functionality at some point, but documents were not updated. Maybe I should add a read back check here. Thanks -- - Jiaxun
