From: lkcl <lkcl@web>
Date: Mon, 11 Jul 2022 10:53:06 +0000 (+0100)
Subject: (no commit message)
X-Git-Tag: opf_rfc_ls005_v1~1220
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=bbfd99668dea0bd85c9740c237c637022be18324;p=libreriscv.git

---

diff --git a/openpower/sv/remap.mdwn b/openpower/sv/remap.mdwn
index 0b6f1af11..09b5e334c 100644
--- a/openpower/sv/remap.mdwn
+++ b/openpower/sv/remap.mdwn
@@ -352,17 +352,20 @@ Rough algorithmic form:
 
 When `mm=1`:
 
-* bits 0-2 of `rmm` indicate an index selecting mi0-mo1
-* bits 3-4 of `rmm` indicate which SVSHAPE 0-3 shall be updated
+* bits 0-2 (MSB0 numbering) of `rmm` indicate an index selecting mi0-mo1
+* bits 3-4 (MSB0 numbering) of `rmm` indicate which SVSHAPE 0-3 shall
+  be updated
 * only the selected SVSHAPE is overwritten
 * only the relevant bits in the REMAP area of SVSTATE are updated
 * REMAP persistence bit is set.
 
-Example 1: if `rmm`=0b10011 then mo0 is selected and SVSHAPE2
+Example 1: if `rmm`=0b01110 then bits 0-2 (MSB0) are 0b011 and
+bits 3-4 are 0b10. thus, mo0 is selected and SVSHAPE2
 to be updated. REMAP.SVme[3] will be set high and REMAP.mo0
 set to 2 (SVSHAPE2).
 
-Example 2: if `rmm`=0b11100 then mo1 is selected and SVSHAPE3
+Example 2: if `rmm`=0b10011 then bits 0-2 (MSB0) are 0b100 and
+bits 3-4 are 0b11.  thus, mo1 is selected and SVSHAPE3
 to be updated. REMAP.SVme[4] will be set high and REMAP.mo1
 set to 3 (SVSHAPE3).