33 lines
1.1 KiB
Nix
33 lines
1.1 KiB
Nix
{ lib, stdenv, kernel }:
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stdenv.mkDerivation {
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inherit (kernel) version src;
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pname = "freefall";
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postPatch = ''
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cd tools/laptop/freefall
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# Default time-out is a little low, probably because the AC/lid status
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# functions were never implemented. Because no-one still uses HDDs, right?
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substituteInPlace freefall.c --replace "alarm(2)" "alarm(5)"
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'';
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makeFlags = [ "PREFIX=$(out)" ];
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meta = with lib; {
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inherit (kernel.meta) homepage license;
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description = "Free-fall protection for spinning HP/Dell laptop hard drives";
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longDescription = ''
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Provides a shock protection facility in modern laptops with spinning hard
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drives, by stopping all input/output operations on the internal hard drive
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and parking its heads on the ramp when critical situations are anticipated.
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Requires support for the ATA/ATAPI-7 IDLE IMMEDIATE command with unload
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feature, which should cause the drive to switch to idle mode and unload the
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disk heads, and an accelerometer device. It has no effect on SSD devices!
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'';
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platforms = platforms.linux;
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};
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}
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