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#!/usr/bin/gawk -f
BEGIN {
FS=", "
# NOTE: please edit flags template as well
flag_letter["RADEON_IS_MOBILITY"] = "m"
flag_letter["RADEON_NEW_MEMMAP"] = "M"
flag_letter["RADEON_IS_IGP"] = "i"
flag_letter["RADEON_IS_IGPGART"] = "I"
flag_letter["RADEON_SINGLE_CRTC"] = "c"
flags_template = "mMiIc"
first_line = ""
printf("{\n")
}
function error(f, s1, s2) {
printf("%s:%d: " f "\n", FILENAME, NR, s1, s2) >"/dev/stderr"
error_code = 1
}
function flag_to_letter(f_name)
{
if (f_name in flag_letter) {
return flag_letter[f_name]
} else {
error("unknown flag %s%s", f_name)
return f_name
}
}
function format_flags(f_code, i, n, l, out) {
n = length(flags_template)
for (i=1; i<=n; i++) {
l = substr(flags_template, i, 1)
out = out f_code[l]
delete f_code[l]
}
for (l in f_code) {
out = out f_code[l]
if (length(l)==1)
error("flag \"%s\" missing from flags_template", l, "")
}
if (length(out)>0) {
out = ",\"" out "\""
}
return out
}
/^[[:blank:]]+{0x/ {
sub(/^[[:blank:]]+{/,"")
sub(/},[[:blank:]]*\\$/,"")
id_vendor = $1; sub(/^0x/, "", id_vendor)
id_type = $2; sub(/^0x/, "", id_type)
flags = $7
if (flags == "0")
next
n_flag_arr = split(flags, flag_arr, "|")
first_flag = flag_arr[1]
delete f_code
for (i=2; i<=n_flag_arr; i++) {
l = flag_to_letter(flag_arr[i])
f_code[l] = l
}
formatted_flags = format_flags(f_code)
# second param to gensub is the replacement text:
chip_type = tolower(gensub(/^CHIP_/, "", "", first_flag))
if (length(first_line) > 0) {
printf(",\n")
} else {
first_line = "TRUE"
}
if ((chip_type in types) && types[chip_type] != first_flag)
error("chip name collision: %s vs. %s", \
types[chip_type], first_flag)
types[chip_type] = first_flag
printf("\t\"%s,%s\":[\"%s\"%s]", toupper(id_vendor), toupper(id_type),\
chip_type, formatted_flags)
}
END {
printf("\n}\n")
exit error_code
}
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