From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Sun, 11 Jul 2021 16:09:44 +0000 (+0100)
Subject: add SVREMAP new Form / Fields and CSV entry
X-Git-Tag: xlen-bcd~297
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=ae901a0faf4e66617840047e57c8597edf39785f;p=openpower-isa.git

add SVREMAP new Form / Fields and CSV entry
---

diff --git a/openpower/isatables/fields.text b/openpower/isatables/fields.text
index 2562f843..ec9ed008 100644
--- a/openpower/isatables/fields.text
+++ b/openpower/isatables/fields.text
@@ -279,6 +279,10 @@
    |0     |6        |11      |16    |21    |26    |31  |
    | PO   |  SVxd   |   SVyd | SVzd | SVRM |   XO |  / |
 
+# 1.6.34 SVRM-FORM
+   |0     |6     |10  |12   |14   |16   |18   |20    |26     |31 |
+   | PO   | SVme |mi0 | mi1 | mi2 | mo0 | mo1 | rsvd | XO    | / |
+
 # 1.6.28 Instruction Fields
     A (6)
         Field used by the tbegin. instruction to specify an
@@ -584,6 +588,21 @@
         Section 3.3.14, 'Fixed-Point Rotate and Shift
         Instructions' on page 101.
         Formats: M
+    mi0 (10:11)
+        Field used in REMAP to select the SVSHAPE for 1st input register
+        Formats: SVRM
+    mi1 (12:13)
+        Field used in REMAP to select the SVSHAPE for 2nd input register
+        Formats: SVRM
+    mi2 (14:15)
+        Field used in REMAP to select the SVSHAPE for 3rd input register
+        Formats: SVRM
+    mo0 (16:17)
+        Field used in REMAP to select the SVSHAPE for 1st output register
+        Formats: SVRM
+    mo1 (18:19)
+        Field used in REMAP to select the SVSHAPE for 2nd output register
+        Formats: SVRM
     MO (6:10)
         Field used in X-form instructions to specify a sub-
         set of storage accesses.
@@ -761,6 +780,9 @@
     SVi (16:22)
          Simple-V immediate field for setting VL or MVL
          Formats: SVL
+    SVme (6:10)
+         Simple-V "REMAP" map-enable bits (0-4)
+         Formats: SVRM
     SVRM (21:25)
          Simple-V "REMAP" Mode
          Formats: SVM
diff --git a/openpower/isatables/minor_22.csv b/openpower/isatables/minor_22.csv
index dcc30c74..aec8c935 100644
--- a/openpower/isatables/minor_22.csv
+++ b/openpower/isatables/minor_22.csv
@@ -1,3 +1,4 @@
 opcode,unit,internal op,in1,in2,in3,out,CR in,CR out,inv A,inv out,cry in,cry out,ldst len,BR,sgn ext,upd,rsrv,32b,sgn,rc,lk,sgl pipe,comment,form,CONDITIONS
 0b00000,VL,OP_SETVL,RA_OR_ZERO,NONE,NONE,RT_OR_ZERO,NONE,CR0,0,0,ZERO,0,NONE,0,0,0,0,0,0,RC,0,0,setvl,SVL,
-0b00001,VL,OP_SVREMAP,NONE,NONE,NONE,NONE,NONE,NONE,0,0,ZERO,0,NONE,0,0,0,0,0,0,RC,0,0,svshape,SVM,
+0b00001,VL,OP_SVSHAPE,NONE,NONE,NONE,NONE,NONE,NONE,0,0,ZERO,0,NONE,0,0,0,0,0,0,RC,0,0,svshape,SVM,
+0b00002,VL,OP_SVREMAP,NONE,NONE,NONE,NONE,NONE,NONE,0,0,ZERO,0,NONE,0,0,0,0,0,0,RC,0,0,svremap,SVRM,
diff --git a/src/openpower/decoder/power_enums.py b/src/openpower/decoder/power_enums.py
index b9099dc2..97a5dc52 100644
--- a/src/openpower/decoder/power_enums.py
+++ b/src/openpower/decoder/power_enums.py
@@ -118,7 +118,8 @@ class Form(Enum):
     SVL = 29  # Simple-V for setvl instruction
     SVD = 30  # Simple-V for LD/ST bit-reverse, variant of D-Form
     SVDS = 31  # Simple-V for LD/ST bit-reverse, variant of DS-Form
-    SVM = 32  # Simple-V REMAP mode - TEMPORARY TEMPORARY TEMPORARY
+    SVM = 32  # Simple-V SHAPE mode - TEMPORARY TEMPORARY TEMPORARY
+    SVRM = 33  # Simple-V REMAP mode - TEMPORARY TEMPORARY TEMPORARY
 
 # Simple-V svp64 fields https://libre-soc.org/openpower/sv/svp64/
 
@@ -391,6 +392,7 @@ class MicrOp(Enum):
     OP_FPOP_I = 78 # temporary: replace with actual ops
     OP_FP_MADD = 79
     OP_SVREMAP = 80
+    OP_SVSHAPE = 81
 
 
 @unique