plan9fox/rc/bin/pci

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#!/bin/rc
# pci [-bv] - dump pci configuration
rfork e
fn verbose {
if (! test -f /lib/pci)
echo $0: no /lib/pci >[1=2]
awk '
function lower(s) {
gsub(/A/, "a", s)
gsub(/B/, "b", s)
gsub(/C/, "c", s)
gsub(/D/, "d", s)
gsub(/E/, "e", s)
gsub(/F/, "f", s)
return s
}
BEGIN{
file="/lib/pci"
FS="\t"
while(getline <file > 0){
if(/^[#;]/) continue
if(/^[0-9A-Fa-f]/){
vid=$1 #vid=lower($1)
vendor[vid] = $2
}
if(/^ [0-9A-Fa-f]/){
did=$2 #lower($2)
id[vid "/" did] = $3
}
}
FS = " "
}
{
print $0
vid = $4
sub(/\/.*/, "", vid)
if(vid in vendor){
s = vendor[vid]
if($4 in id)
s = s " " id[$4]
print "\t" s
}
}
'
}
filter=cat
flagfmt=v,b
args='[vid/did ...]'
if(! ifs=() eval `{aux/getflags $*}){
aux/usage
exit usage
}
if(! ~ $#* 0){
{
for(i in `{echo $* | tr 'A-Z' 'a-z'})
echo '- - -' $i
} | verbose | sed 's:^- - - ::'
exit ''
}
if(~ $#flagv 1)
filter=verbose
builtin cd '#$/pci' && grep . `{ls -n | grep ctl} | {
if (~ $#flagb 1)
sed /:06/d
if not
cat
} |
sed '
s/ctl:/: /
t noop
: noop
s/: 01/: disk 01/
s/: 02/: net 02/
s/: 03/: vid 03/
s/: 04/: aud 04/
s/: 05/: mem 05/
s/: 06/: brg 06/
s/: 07/: ser 07/
s/: 08/: base 08/
s/: 09/: inpt 09/
s/: 0a/: dock 0a/
s/: 0b/: proc 0b/
s/: 0c\.03/: usb 0c.03/
s/: 0c\.05/: smb 0c.05/
s/: 0c\.07/: ipmi 0c.07/
s/: 0d/: rad 0d/
s/: 0e/: intl 0e/
s/: 0f/: sat 0f/
s/: 10/: cryp 10/
s/: 11/: sigl 11/
s/: 12/: exl 12/
t
s/ / --- /
' | $filter