On Fri, 7 Apr 2023, Jiaxun Yang wrote:
> MIPS MT ASE is only available on ISA between Release 1 and Release 5.
> Add ISA level dependency to Kconfig to fix build.
Actually the MIPS MT ASE is explicitly from R2 onwards only[1] and it has
*not* been withdrawn as at R6[2].
NB I was onboard with MTI when the MT ASE was introduced (I was a member
of the 34K team, working on CPU bringup), so I know this stuff first hand.
References:
[1] "MIPS32 Architecture for Programmers, VolumeIV-f: The MIPS MT
Application-Specific Extension to the MIPS32 Architecture", MIPS
Technologies, Inc., Document Number: MD00378, Revision 1.00,
September 28, 2005, Section 1.1 "Background", p. 1
[2] "MIPS32 Architecture For Programmers, Volume I-A: Introduction to the
MIPS32 Architecture", Imagination Technologies LTD., Document Number:
MD00082, Revision 6.01, August 20, 2014, Chapter 1 "About This Book",
p. 12
Maciej
