virtio-scsi: don't process IO on fenced dataplane
[qemu/ar7.git] / target / hexagon / gen_op_regs.py
blobe8137d4a127efc9bafbac15ee8466a282785584e
1 #!/usr/bin/env python3
3 ##
4 ## Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved.
5 ##
6 ## This program is free software; you can redistribute it and/or modify
7 ## it under the terms of the GNU General Public License as published by
8 ## the Free Software Foundation; either version 2 of the License, or
9 ## (at your option) any later version.
11 ## This program is distributed in the hope that it will be useful,
12 ## but WITHOUT ANY WARRANTY; without even the implied warranty of
13 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 ## GNU General Public License for more details.
16 ## You should have received a copy of the GNU General Public License
17 ## along with this program; if not, see <http://www.gnu.org/licenses/>.
20 import sys
21 import re
22 import string
23 import hex_common
26 ## Generate the register and immediate operands for each instruction
28 def calculate_regid_reg(tag):
29 def letter_inc(x): return chr(ord(x)+1)
30 ordered_implregs = [ 'SP','FP','LR' ]
31 srcdst_lett = 'X'
32 src_lett = 'S'
33 dst_lett = 'D'
34 retstr = ""
35 mapdict = {}
36 for reg in ordered_implregs:
37 reg_rd = 0
38 reg_wr = 0
39 if ('A_IMPLICIT_WRITES_'+reg) in hex_common.attribdict[tag]: reg_wr = 1
40 if reg_rd and reg_wr:
41 retstr += srcdst_lett
42 mapdict[srcdst_lett] = reg
43 srcdst_lett = letter_inc(srcdst_lett)
44 elif reg_rd:
45 retstr += src_lett
46 mapdict[src_lett] = reg
47 src_lett = letter_inc(src_lett)
48 elif reg_wr:
49 retstr += dst_lett
50 mapdict[dst_lett] = reg
51 dst_lett = letter_inc(dst_lett)
52 return retstr,mapdict
54 def calculate_regid_letters(tag):
55 retstr,mapdict = calculate_regid_reg(tag)
56 return retstr
58 def strip_reg_prefix(x):
59 y=x.replace('UREG.','')
60 y=y.replace('MREG.','')
61 return y.replace('GREG.','')
63 def main():
64 hex_common.read_semantics_file(sys.argv[1])
65 hex_common.read_attribs_file(sys.argv[2])
66 tagregs = hex_common.get_tagregs()
67 tagimms = hex_common.get_tagimms()
69 with open(sys.argv[3], 'w') as f:
70 for tag in hex_common.tags:
71 regs = tagregs[tag]
72 rregs = []
73 wregs = []
74 regids = ""
75 for regtype,regid,toss,numregs in regs:
76 if hex_common.is_read(regid):
77 if regid[0] not in regids: regids += regid[0]
78 rregs.append(regtype+regid+numregs)
79 if hex_common.is_written(regid):
80 wregs.append(regtype+regid+numregs)
81 if regid[0] not in regids: regids += regid[0]
82 for attrib in hex_common.attribdict[tag]:
83 if hex_common.attribinfo[attrib]['rreg']:
84 rregs.append(strip_reg_prefix(attribinfo[attrib]['rreg']))
85 if hex_common.attribinfo[attrib]['wreg']:
86 wregs.append(strip_reg_prefix(attribinfo[attrib]['wreg']))
87 regids += calculate_regid_letters(tag)
88 f.write('REGINFO(%s,"%s",\t/*RD:*/\t"%s",\t/*WR:*/\t"%s")\n' % \
89 (tag,regids,",".join(rregs),",".join(wregs)))
91 for tag in hex_common.tags:
92 imms = tagimms[tag]
93 f.write( 'IMMINFO(%s' % tag)
94 if not imms:
95 f.write(''','u',0,0,'U',0,0''')
96 for sign,size,shamt in imms:
97 if sign == 'r': sign = 's'
98 if not shamt:
99 shamt = "0"
100 f.write(''','%s',%s,%s''' % (sign,size,shamt))
101 if len(imms) == 1:
102 if sign.isupper():
103 myu = 'u'
104 else:
105 myu = 'U'
106 f.write(''','%s',0,0''' % myu)
107 f.write(')\n')
109 if __name__ == "__main__":
110 main()