Re: [PATCH 1/6] MIPS: remove cpu_has_64bit_gp_regs and cpu_has_64bit_addresses
From: Maciej W. Rozycki
Date: Tue Mar 24 2020 - 22:37:05 EST
On Tue, 24 Mar 2020, Christoph Hellwig wrote:
> Both macros are always identical to CONFIG_64BIT.
I think this abstraction makes sense, especially if we want to support
64-bit CPUs that only support 32-bit segments, i.e. MIPS architecture
processors whose CP0.Config.AT=1, or legacy MIPS processors that had a
similar limitation, such as the R5900 currently under review.
Maciej