Hi: 2017-07-13 15:33 GMT+08:00 Bin Chen <bin.c...@linaro.org>:
> Hi Tom, > > Thanks for the review. > > On 13 July 2017 at 04:25, Tom Rini <tr...@konsulko.com> wrote: > > > On Tue, Jul 11, 2017 at 03:56:04PM +1000, Bin Chen wrote: > > > > > It's my understanding that we are supposed to use booti, instead of > > bootm, > > > for arm64 image. But booti lacks of android image support. Bootm has > > > the andriod image support but lack of the arm64 image handling. > > > > > > So, what is suppose the right way of booting an android arm64 image? > > > or, should we create a separate command? > > > > > > This patch is an invitation for that discussion. > > > > > > It *hacked* the booti command and it aslo assume the dtb is in the > > second area > > > of android boot image. It also has other belives like u-boot should be > > > in control of where to put the kernnel/ramdisk/dtb images so it ignores > > > the value specified in the android images. > > > > > > Signed-off-by: Bin Chen <bin.c...@linaro.org> > > > > So, booti is very much for the "Image" format described in the Linux > > kernel in Documentation/arm64/booting.txt. One can (and people have) > > used bootm on aarch64 for "uImage" style kernels and FIT kernels, and I > > would see being able to boot an aarch64 Android image with bootm as the > > way to go forward. > > > Are you suggesting that we should use bootm path, instead of booti? > > I have two questions regarding this: > > 1. currently arm64 kernel don't have a uImage kernel target. And I'm not > sure > if adding that will be something that is wanted and/or sensible. > > > 2. bootm path doesn't have the logic that is currently in the booti, such > as the > kernel relocation. > > Also, one other question raised during internal discussion was why the > booti > was created in the first place, if we could have had that implemented in > the > bootm path. > > > > > The analogy would be that we use bootm for Android > > on arm not bootz. Thanks! > > > > -- > > Tom > > > > > > -- > Regards, > Bin > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > https://lists.denx.de/listinfo/u-boot > _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de https://lists.denx.de/listinfo/u-boot
