53 lines
1.3 KiB
Lua
53 lines
1.3 KiB
Lua
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do
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local tG,ttyn = {}, 0
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local function checkUnused(addr) -- returns false if a screen *addr* is already allocated to a GPU
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for k,v in pairs(tG) do
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if v == addr then
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return false
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end
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end
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return true
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end
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local function findNextDisplay() -- finds the next available screen, or nil if there are no available screens
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for a,_ in component.list("screen") do
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if checkUnused(a) then
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return a
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end
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end
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return nil
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end
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for file in ipairs(fs.list("/boot/cfg/disp/")) do -- allows files in /boot/cfg/disp with filenames as GPU addresses to bind to specific screens
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if component.proxy(file) then
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local f = io.open("/boot/cfg/disp/"..file)
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if f then
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local sA = file:read()
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if checkUnused(sA) then
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tG[file] = sA
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end
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f:close()
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end
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end
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end
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for a,_ in component.list("gpu") do -- allocate a screen to every unused GPU
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tG[a] = findNextDisplay()
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end
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for gpu,screen in pairs(tG) do
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dprint(gpu,screen)
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local r,w = vtemu(gpu,screen)
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iofs.register("tty"..tostring(ttyn),function() return r,w,function() w("\27[2J\27[H") end end)
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local f = io.open("/iofs/tty"..tostring(ttyn),"rw")
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fd[f.fd].t = "t"
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ttyn = ttyn + 1
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end
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do
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iofs.register("syslog",function() return function() return "" end, function(msg) syslog(msg,nil,tTasks[cPid].n) end, function() return true end end)
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end
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if #fd < 1 then
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io.open("/iofs/syslog","rw")
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end
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end
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