Hi Alex, Thank for you suggestion. I think bayou is suitable for me. On Sun, Aug 12, 2012 at 6:40 PM, Alex G. <[email protected]> wrote:
> -----BEGIN PGP SIGNED MESSAGE----- > Hash: SHA1 > > On 08/10/2012 03:09 AM, Lap Ngo Doan wrote: > > Hi all, As you may know, when we enter to BIOS, we can use the > > keyboard to change some settings such as : enable/disable > > something, change boot devices priority ....It is kind of user > > interface on BIOS. In the coreboot website, they said "*coreboot* > > is a Free Software project aimed at *replacing the > > proprietary**BIOS* > This statement is unfortunately misleading. It's not our fault really. > It comes from the tendency to name the firmware "BIOS", which is in > fact hardware initialization, then the actual BIOS. > Coreboot is the hardware initialization part. > > > If we want to add some interactions with hardware like BIOS > > firmware provided us (use keyboard to enable/disable some > > options....), how could we do it with coreboot? > > Keep those settings in NVRAM, and write a payload to read and modify > NVRAM. libpayload is there for the taking; the biggest hurdle may be > figuring out how to parse NVRAM (different hardware stores different > settings in different places). You might also need to modify parts of > coreboot to make it use NVRAM for settings. > Some to most boards have a cmos.layout file. You can find a way to > make that available to your payload. You have a bunch of options to > play with. > > Then SeaBIOS can boot from CBFS, and you'd just have to use its boot > menu to load your payload. For all others, there's debit bayou. > > This sounds like a cool project, and a nice way to get your hands > dirty with coreboot, learn your way around. > > Alex > -----BEGIN PGP SIGNATURE----- > Version: GnuPG v1.4.12 (GNU/Linux) > Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org/ > > iQIcBAEBAgAGBQJQKDDgAAoJEL0kPHNPXJJKSdMP/jIJ5NMpaDSHydv1SVPOXmPt > D4uuUogV+8sDk+dqaSoTfwpXlW9UMSaAXjFbMfoF+zA0iIU9uyNyVfzuVtabNRoO > TsvhF7VM+UfIHsGoNBDdwAfdAqswdvx8gQ9RlpsUv9jTI9uC00iX/FWB30NKI5Sf > oic4kxqTkU5+Akhz3htk0Hn71ZozmdaNy/xS50X1bMeeiYRSEZMsCVNX9KR2rmHX > P2fTA697xXkpv1ZtnwvhTAZ4cbpPMsYaEBKOw41uF441XA0TmvV9qbHpG5NFOODz > 1YueHPgieFXQzvV3gsFF/vBWcBe60CSId9WwlIJuWnMakBULXfVJWCAx3LCRpq5m > /iiS188ENXQ24dSkKjmOcf4Hxdfbat+szZRW4dBFdx9/LKl6XaVsvVRDmcjsrqKu > YbLxyJGRCWSXViE99Cf4/jcSB20w8+wLwWgfqVSagj0A2RGD6V1l6j/YyK0vj02j > BVko7oKial4NQczBT7JzExhw20+HmYNE4b0VZtTwRGqjI3aVn02Y+bk8c+sAx0th > p5r5FLAsq01Z7TyoKnPVMUenTWFP2FsV9uEFEHqx1fAXAkBp/G9xaHVaQGhcQW+y > Gp1p0whgVIOJHvqvH7YVrXwjTf01FY3unwTnZhZnEFsZ8I+yvz7zKnOHDgCfFv0s > twX/0lgHUW2HDSZ1NwcD > =Dftw > -----END PGP SIGNATURE----- >
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