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nixos: Make serial agetty's bitrates configurable.

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This commit is contained in:
Petr Rockai 2014-02-03 23:20:41 +01:00
parent 97721af469
commit 01d7e79eaf
1 changed files with 15 additions and 3 deletions
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18
nixos/modules/services/ttys/agetty.nix
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@ -28,6 +28,17 @@ with pkgs.lib;
''; '';
}; };
serialSpeed = mkOption {
type = types.listOf types.int;
default = [ 115200 57600 38400 9600 ];
example = [ 38400 9600 ];
description = ''
Bitrates to allow for agetty's listening on serial ports. Listing more
bitrates gives more interoperability but at the cost of long delays
for getting a sync on the line.
'';
};
}; };
}; };
@ -78,8 +89,9 @@ with pkgs.lib;
X-RestartIfChanged=false X-RestartIfChanged=false
''; '';
systemd.units."serial-getty@.service".text = systemd.units."serial-getty@.service".text = let
'' speeds = with pkgs.lib; concatStringsSep "," (map toString config.services.mingetty.serialSpeed);
in ''
[Unit] [Unit]
Description=Serial Getty on %I Description=Serial Getty on %I
Documentation=man:agetty(8) man:systemd-getty-generator(8) Documentation=man:agetty(8) man:systemd-getty-generator(8)
@ -95,7 +107,7 @@ with pkgs.lib;
[Service] [Service]
Environment=TERM=linux Environment=TERM=linux
Environment=LOCALE_ARCHIVE=/run/current-system/sw/lib/locale/locale-archive Environment=LOCALE_ARCHIVE=/run/current-system/sw/lib/locale/locale-archive
ExecStart=@${pkgs.utillinux}/sbin/agetty agetty --login-program ${pkgs.shadow}/bin/login %I 115200,57600,38400,9600 ExecStart=@${pkgs.utillinux}/sbin/agetty agetty --login-program ${pkgs.shadow}/bin/login %I ${speeds}
Type=idle Type=idle
Restart=always Restart=always
RestartSec=0 RestartSec=0