From 657002ef69a999564f791bccbccc551d5ee13573 Mon Sep 17 00:00:00 2001 From: lkcl Date: Sat, 28 Aug 2021 12:01:07 +0100 Subject: [PATCH] --- openpower/sv/svp64/appendix.mdwn | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/openpower/sv/svp64/appendix.mdwn b/openpower/sv/svp64/appendix.mdwn index ce1765351..e1177b25e 100644 --- a/openpower/sv/svp64/appendix.mdwn +++ b/openpower/sv/svp64/appendix.mdwn @@ -508,7 +508,11 @@ Numbering relationships for CR fields are already complex due to being in BE format (*the relationship is not clearly explained in the v3.0B or v3.1B specification*). However with some care and consideration the exact same mapping used for INT and FP regfiles may be applied, -just to the upper bits, as explained below. +just to the upper bits, as explained below. The notation +`CR{field number}` is used to indicate access to a particular +Condition Register Field (as opposed to the notation `CR[bit]` +which accesses one bit of the 32 bit Power ISA v3.0B +Condition Register) In OpenPOWER v3.0/1, BF/BT/BA/BB are all 5 bits. The top 3 bits (0:2) select one of the 8 CRs; the bottom 2 bits (3:4) select one of 4 bits -- 2.30.2