diff --git a/profiles.adoc b/profiles.adoc index ec34eb6..0da1f19 100644 --- a/profiles.adoc +++ b/profiles.adoc @@ -54,6 +54,10 @@ No changes are allowed. Any desired or needed changes can be the subject of a fo :sectnums!: +== Changes made since ratification + +- Clarified that Zihpm was optional in RVA20U64 and became mandatory in RVA22U64 + == Changes since Public Review version 0.8 - Clarified that profile name can be used as ISA base string @@ -694,9 +698,6 @@ The following mandatory extensions were present in RVA20U64. - *C* Compressed Instructions. - *Zicsr* CSR instructions. These are implied by presence of F. - *Zicntr* Base counters and timers. -- *Zihpm* Hardware performance counters. - -NOTE: Zihpm was optional in RVA20U64. - *Ziccif* Main memory regions with both the cacheability and coherence PMAs must support instruction fetch, and any instruction @@ -731,6 +732,10 @@ instructions in the mandatory A extension. The following mandatory extensions are new for RVA22U64. +- *Zihpm* Hardware performance counters. + +NOTE: Zihpm was optional in RVA20U64. + - *Zihintpause* Pause instruction. NOTE: While the `pause` instruction is a HINT can be implemented as a