-#!/usr/bin/env python3
+#!/usr/bin/env python2
+#
+# NOTE THAT THIS PROGRAM IS PYTHON2 COMPATIBLE, PLEASE DO NOT STOP IT
+# FROM WORKING BY ADDING SYNTAX THAT PREVENTS THAT.
+#
# Initial version written by lkcl Oct 2020
# This program analyses the Power 9 op codes and looks at in/out register uses
# The results are displayed:
from collections import OrderedDict
# Return absolute path (ie $PWD) + isatables + name
-
-
def find_wiki_file(name):
filedir = os.path.dirname(os.path.abspath(__file__))
tabledir = join(filedir, 'isatables')
return file_path
# Return an array of dictionaries from the CSV file name:
-
-
def get_csv(name):
file_path = find_wiki_file(name)
with open(file_path, 'r') as csvfile:
# This will return True if all values are true.
# Not sure what this is about
-
-
def blank_key(row):
- # for v in row.values():
- # if 'SPR' in v: # skip all SPRs
- # return True
+ #for v in row.values():
+ # if 'SPR' in v: # skip all SPRs
+ # return True
for v in row.values():
if v:
return False
# General purpose registers have names like: RA, RT, R1, ...
# Floating point registers names like: FRT, FRA, FR1, ..., FRTp, ...
# Return True if field is a register
-
-
def isreg(field):
return field.startswith('R') or field.startswith('FR')
# These are the attributes of the instructions,
# register names
keycolumns = ['unit', 'in1', 'in2', 'in3', 'out', 'CR in', 'CR out',
- ] # don't think we need these: 'ldst len', 'rc', 'lk']
+ ] # don't think we need these: 'ldst len', 'rc', 'lk']
tablecols = ['unit', 'in', 'outcnt', 'CR in', 'CR out', 'imm'
- ] # don't think we need these: 'ldst len', 'rc', 'lk']
-
+ ] # don't think we need these: 'ldst len', 'rc', 'lk']
def create_key(row):
res = OrderedDict()
res['crop'] = '1'
# unit
if key == 'unit':
- if row[key] == 'LDST': # we care about LDST units
+ if row[key] == 'LDST': # we care about LDST units
res[key] = row[key]
else:
res[key] = 'OTHER'
res['in'] = str(res['in'])
res['outcnt'] = str(res['outcnt'])
+
# constants
if row['in2'].startswith('CONST_'):
- res['imm'] = "1" # row['in2'].split("_")[1]
+ res['imm'] = "1" # row['in2'].split("_")[1]
else:
res['imm'] = ''
return res
#
-
-
def dformat(d):
res = []
for k, v in d.items():
res.append("%s: %s" % (k, v))
return ' '.join(res)
-
-def print_table_row(*cols):
- print(f"| {' | '.join(cols)} |")
-
-
-def print_table_header(*cols):
- print_table_row(*cols)
- print_table_row(*map(lambda v: '-'*max(1, len(v)), cols))
-
+def tformat(d):
+ return ' | '.join(d) + "|"
def keyname(row):
res = []
dictkeys = OrderedDict()
immediates = {}
- print("# OpenPOWER ISA register 'profile's")
- print()
- print("this page is auto-generated, do not edit")
- print("created by https://libre-soc.org/openpower/sv_analysis.py")
- print()
+ print ("# OpenPOWER ISA register 'profile's")
+ print ('')
+ print ("this page is auto-generated, do not edit")
+ print ("created by http://libre-soc.org/openpower/sv_analysis.py")
+ print ('')
# Expand that (all .csv files)
pth = find_wiki_file("*.csv")
'CRi': 'non-SV',
'imm': 'non-SV',
'': 'non-SV',
- 'LDST-2R-imm': 'S',
- 'LDST-2R-1W-imm': 'S',
- 'LDST-2R-1W': 'I',
- 'LDST-2R-2W': 'I',
- 'LDST-1R-1W-imm': 'I',
- 'LDST-1R-2W-imm': 'I',
- 'LDST-3R': 'R/TBD - st*x', # these are st*x
- 'LDST-3R-CRo': 'R/TBD - st*x', # st*x
- 'LDST-3R-1W': 'R/TBD - st*x', # st*x
+ 'LDST-2R-imm': 'RM-2P-2S',
+ 'LDST-2R-1W-imm': 'RM-2P-2S1D',
+ 'LDST-2R-1W': 'RM-2P-2S1D',
+ 'LDST-2R-2W': 'RM-2P-2S1D',
+ 'LDST-1R-1W-imm': 'RM-2P-1S1D',
+ 'LDST-1R-2W-imm': 'RM-2P-1S2D',
+ 'LDST-3R': 'RM-2P-3S',
+ 'LDST-3R-CRo': 'RM-2P-3S', # st*x
+ 'LDST-3R-1W': 'RM-2P-2S1D', # st*x
}
- print("# map to old SV Prefix")
- print()
- print_table_header("register profile", "old SV Prefix")
+ print ("# map to old SV Prefix")
+ print ('')
+ print ('[[!table data="""')
for key in primarykeys:
name = keyname(dictkeys[key])
value = mapsto.get(name, "-")
- print_table_row(name, value)
- print()
+ print (tformat([name, value+ " "]))
+ print ('"""]]')
+ print ('')
+
+ print ("# keys")
+ print ('')
+ print ('[[!table data="""')
+ print (tformat(tablecols) + " imms | name |")
- print("# keys")
- print()
- print_table_header(*tablecols, "imms", "name")
+ # print out the keys and the table from which they're derived
for key in primarykeys:
name = keyname(dictkeys[key])
+ row = tformat(dictkeys[key].values())
imms = list(immediates.get(key, ""))
imms.sort()
- print_table_row(*dictkeys[key].values(), "/".join(imms), name)
- print()
+ row += " %s | " % ("/".join(imms))
+ row += " %s |" % name
+ print (row)
+ print ('"""]]')
+ print ('')
+ # print out, by remap name, all the instructions under that category
for key in primarykeys:
name = keyname(dictkeys[key])
value = mapsto.get(name, "-")
- print("## %s (%s)" % (name, value))
- print()
- print_table_header('CSV', 'opcode', 'asm', 'form')
+ print ("## %s (%s)" % (name, value))
+ print ('')
+ print ('[[!table data="""')
+ print (tformat(['CSV', 'opcode', 'asm', 'form']))
rows = bykey[key]
rows.sort()
for row in rows:
- print_table_row(*row)
- print()
-
- # TODO(lkcl): what did this do:
- # bykey = {}
- # for fname, csv in csvs.items():
- # key
+ print (tformat(row))
+ print ('"""]]')
+ print ('')
+ bykey = {}
+ for fname, csv in csvs.items():
+ key
if __name__ == '__main__':
process_csvs()
projects / libreriscv.git / commitdiff