From: Luke Kenneth Casson Leighton <lkcl@lkcl.net>
Date: Fri, 21 Apr 2023 13:00:30 +0000 (+0100)
Subject: add Levels table to ls012
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=390199d60a37fc9c7880c68718d4db7b48fa0093;p=libreriscv.git

add Levels table to ls012
---

diff --git a/openpower/sv/rfc/ls012.mdwn b/openpower/sv/rfc/ls012.mdwn
index 01b9dbe36..66b43f570 100644
--- a/openpower/sv/rfc/ls012.mdwn
+++ b/openpower/sv/rfc/ls012.mdwn
@@ -680,5 +680,6 @@ The key to headings and sections are as follows:
 
 [[!inline pages="openpower/sv/rfc/ls012/areas.mdwn" raw=yes ]]
 [[!inline pages="openpower/sv/rfc/ls012/xo_cost.mdwn" raw=yes ]]
+[[!inline pages="openpower/sv/rfc/ls012/level.mdwn" raw=yes ]]
 
 [[!tag opf_rfc]]
diff --git a/openpower/sv/rfc/ls012/optable.csv b/openpower/sv/rfc/ls012/optable.csv
index 148a8bc28..e0fd62608 100644
--- a/openpower/sv/rfc/ls012/optable.csv
+++ b/openpower/sv/rfc/ls012/optable.csv
@@ -1,4 +1,4 @@
-op, rfc, priority, cost, SVP64, group, PO1, page, regs, Level
+op, rfc, priority, cost, SVP64, group, PO1, page, regs, level
 # LD/ST-Postincrement
 lbzup,    ls011, high, PO, yes, EXT2xx, no, isa/pifixedload, 1R2W, SFFS
 lbzupx,   ls011, high, 10, yes, EXT2xx, no, isa/pifixedload, 2R2W, SFFS
@@ -94,9 +94,9 @@ crbinlut,    ls007, high, 5,  yes, TBD,    no,  sv/bitmanip, 3r1w, SV/D
 fmvis,       ls002, high, 5,  yes, TBD,    no,  sv/bitmanip, 1W, SFFS
 fishmv,      ls002, high, 5,  yes, TBD,    no,  sv/bitmanip, 1R1W, SFFS
 # Shift-and-Add (mitigates LD-ST-Shift; Cryptography e.g. twofish)
-shadd,       ls003, med,  7,  yes, TBD,    no,   sv/bitmanip, 2R1W1w, SFFS
-shadduw,     ls003, med,  7,  yes, TBD,    no,   sv/bitmanip, 2R1W1w, SFFS
-shaddw,      ls003, med,  7,  yes, TBD,    no,   sv/bitmanip, 2R1W1w, SFFS
+shadd,       ls004, med,  7,  yes, TBD,    no,   sv/bitmanip, 2R1W1w, SFFS
+shadduw,     ls004, med,  7,  yes, TBD,    no,   sv/bitmanip, 2R1W1w, SFFS
+shaddw,      ls004, med,  7,  yes, TBD,    no,   sv/bitmanip, 2R1W1w, SFFS
 # Audio-Video
 absdu,       TBD,   TBD,  10, yes, TBD,    no, sv/av_opcodes, 2R1W1w, SV/D
 avgadd,      TBD,   TBD,  10, yes, TBD,    no, sv/av_opcodes, 2R1W1w, SV/D
diff --git a/openpower/sv/rfc/ls012_optable.py b/openpower/sv/rfc/ls012_optable.py
index 1847addee..50fc50ae5 100644
--- a/openpower/sv/rfc/ls012_optable.py
+++ b/openpower/sv/rfc/ls012_optable.py
@@ -32,6 +32,15 @@ def sort_by_page(p1, p2):
         return 1
     return 0
 
+levels = ['SFFS', 'SV/E', 'SV/D', 'SV/S', 'opt']
+
+def sort_by_level(p1, p2):
+    p1 = levels.index(p1['level'])
+    p2 = levels.index(p2['level'])
+    if p1 < p2: return -1
+    if p1 > p2: return 1
+    return 0
+
 priorities = ['high', 'med', 'low', 'TBD']
 
 def sort_by_priority(p1, p2):
@@ -52,6 +61,15 @@ def sort_by_cost(p1, p2):
     if p1 > p2: return 1
     return 0
 
+def sort_by_level_priority_cost(p1, p2):
+    v = sort_by_level(p1, p2)
+    if v == 0:
+        v = sort_by_priority(p1, p2)
+    if v == 0:
+        v = sort_by_cost(p1, p2)
+    return v
+
+
 def sort_by_cost_priority_page(p1, p2):
     v = sort_by_cost(p1, p2)
     if v == 0:
@@ -61,6 +79,23 @@ def sort_by_cost_priority_page(p1, p2):
     return v
 
 
+def by_levelpriority_then_cost(areas):
+    # first blat all columns together (drop area-dict)
+    res = []
+    for row in areas.values():
+        res += row
+    # now sort them
+    res = sorted(res, key=functools.cmp_to_key(sort_by_level_priority_cost))
+    # now split out into a dict again this time by cost-priority
+    levels = {}
+    for row in res:
+        key = row['level']+row['priority']
+        if key not in levels:
+            levels[key] = []
+        levels[key].append(row)
+    return levels
+
+
 def by_cost_then_priority_then_page(areas):
     # first blat all columns together (drop area-dict)
     res = []
@@ -190,3 +225,6 @@ if __name__ == '__main__':
     # now sort by cost and then by page
     print_table("XO cost", header, areas, by_cost_then_priority_then_page)
 
+    # now sort by level combined with priority, then cost
+    print_table("Level", header, areas, by_levelpriority_then_cost)
+