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vtemplate improvements 

Signed-off-by: John McMaster <JohnDMcMaster@gmail.com>
Signed-off-by: Tim 'mithro' Ansell <mithro@mithis.com>
This commit is contained in:
John McMaster 2017-12-13 15:30:25 -08:00 committed by Tim 'mithro' Ansell
parent ad2141378e
commit d0458bca71
1 changed files with 19 additions and 4 deletions
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23
utils/vtemplate
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@ -74,6 +74,7 @@ module my_%s (input clk, input [7:0] din, output [7:0] dout);
parameter LOC = "";
''' % modname
print ' (* LOC=LOC, KEEP, DONT_TOUCH *)'
print ' %s #(' % modname
for pi, p in enumerate(params):
name, wout, defval = p
@ -83,6 +84,8 @@ for pi, p in enumerate(params):
print ' ) %s (' % modinst
DII_N = 8
DOI_N = 8
dii = 0
doi = 0
for ioi, io in enumerate(ios):
@ -90,11 +93,23 @@ for ioi, io in enumerate(ios):
comma = ',' if ioi != len(ios) - 1 else ');'
if aio == 'input':
wire = 'din[%d]' % dii
dii = (dii + 1) % 8
if wout:
n = int(abs(wout[1] - wout[0]) + 1)
if dii + n >= DII_N:
dii = 0
wire = 'din[%d:%d]' % (dii + n, dii)
dii = (dii + n) % DII_N
else:
wire = 'din[%d]' % dii
dii = (dii + 1) % DII_N
else:
wire = 'dout[%d]' % doi
doi += 1
if wout:
n = int(abs(wout[1] - wout[0]) + 1)
wire = 'dout[%d:%d]' % (doi + n, doi)
doi = doi + n
else:
wire = 'dout[%d]' % doi
doi += 1
print ' .%s(%s)%s' % (name, wire, comma)
print 'endmodule'