Messages in this thread | | | Date | Tue, 15 Jul 2003 09:03:37 -0700 | From | "Randy.Dunlap" <> | Subject | Re: Linux boot code |
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On Tue, 15 Jul 2003 11:17:46 +0200 Koala GNU <koala.gnu@tiscalinet.it> wrote:
| Hi, Riley, | | thanks for your reply. | | I noticed the native boot code for floppy is not supported any more. In | fact in the current code display a message and reboot the machine after | the press of a key. | | But I am interested on how the old native boot code worked. | | Do you know if there is a particular reason why the boot sector is moved | to 0x9000:0 (excuse me if I repeat the question, but I need help on this)?
Why do you need to know?
IIRC, it's because the code being loaded also (usually) is written as a boot loader also, and boot loaders often assume that they are loaded at 0:7c00. (disclaimer: it's been a few years since I worked on boot loaders.)
| I hope someone else can point me a site where is reported the format of | the floppy parameter table at address 0x0:0x78.
http://www.delorie.com/djgpp/doc/rbinter/id/55/24.html (for one)
-- ~Randy | http://developer.osdl.org/rddunlap/ | http://www.xenotime.net/linux/ | - 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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