ref: f76decfa1f93a830efa5f979d75f951305f895d2
dir: /sys/src/boot/bitsy/map/
defn acidmap()
{
local dfoffset;
dfoffset = map()[1][3];
map({"text", _start, etext, 0x20});
map({"data", etext+1, edata, dfoffset});
print("Set map for plan 9 kernel image\n");
print("btext ", _start, " etext ", etext, "\n");
}