Hi Julien, On Sun, 2024-07-21 at 09:46 +0100, Julien Grall wrote: > > +/* Fixmap slots */ > > +#define FIX_PMAP_BEGIN (0) /* Start of PMAP */ > > +#define FIX_PMAP_END (FIX_PMAP_BEGIN + NUM_FIX_PMAP - 1) /* End of > > PMAP */ > > ... here is seems to be inclusive. Furthermore if you had 32-bit > address > space, it is also quite easy to have to create a region right at the > top > of it. So when END is exclusive, it would become 0. > > So on Arm, we decided to start to get rid of "end". I would consider > to > do the same on RISC-V for new functions. I assume that you wrote here just as an example of confusion occurs because of using *_END but just to be clear I have to leave FIXMAP_MAP_END as-is because it is used now by common code.
~ Oleksii