On 12/07/2015 02:07 PM, "Züpke, Alexander" wrote: > Hi Fabien, > >> On December 7, 2015 at 1:56 PM Fabien Chouteau <chout...@adacore.com> wrote: >> On 12/07/2015 01:41 PM, "Züpke, Alexander" wrote: >>> >>> The check for the CASA feature on SPARC v8 is already in the existng code, >>> just 3 lines above the second hunk in the patch: >>> >> >> Yes but you add a special case that allow casa from user space, this >> special case is only available on LEON3 so that should be taken into >> account in the priv_insn check. >> >> Regards, >> > > No, other v8 SPARCs do not have CASA at all, only LEON3 and 4 have CASA > backported from v9. But when CASA is available on LEON, it's available > in both user and supervisor mode. The only restriction for user mode > is that one must use ASI 0xa. > >
You're right, and ASI 0xA is also user data in SPARKv9. Patch looks good then :) Thanks,
