Messages in this thread | | | Date | Sun, 21 Sep 2003 13:06:29 +0200 | From | Vojtech Pavlik <> | Subject | Re: 2.6.0-test5 vs. Japanese keyboards [3] |
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On Tue, Sep 16, 2003 at 03:43:05PM +0200, Andries Brouwer wrote:
> I do not think his patch is needed. > > So the question arises: do we need a kernel patch, and if so, what patch? > The program loadkeys exists to load the kernel keymap with the map the user > desires. So, if you need some particular map the obvious answer is: > "use loadkeys". > > There is a small snag - until 2.4 the value of NR_KEYS was 128, > while 2.6 uses 256. Moreover, the keys you want to change are above 128. > So, your old precompiled loadkeys will not do - you must recompile the > kbd package against 2.6 kernel headers, or just edit loadkeys.y and dumpkeys.c > inserting > > #undef NR_KEYS > #define NR_KEYS 256 > > after all includes, and then compile on any Linux machine. > > There is no need to have knowledge of the Japanese keymap in the kernel, > just as there is no knowledge of the German or French keymap. That > knowledge belongs in the keymap that one loads.
There is a slight problem, and that is that NR_KEYS is (KEY_MAX+1) in recent 2.6's and that's 512. And that doesn't fit into a byte. There were some patches floating around to enhance the keymap loading ioctls. They will be needed, along with a new version of loadkeys.
-- Vojtech Pavlik SuSE Labs, SuSE CR - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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