On Thu, May 17, 2018 at 02:01:55PM +0300, Ramon Fried wrote: > Hi. > I'm currently working on snapdragon bootloader support and in the > particular case where U-boot is running in Aarch32 and the kernel is > Aarch64 the specific implementation is to jump to Linux through SCM > call. > > I try to find the best possible way to provide an alternative boot function. > Adding #ifdef ARCH_SNAPDRAGON will just be too specific in > arm/lib/bootm.c in my opinion and I'm thinking of introducing kind of > a callback function in gd. that if exists will jump there instead of > executing boot_jump_linux(). > > What do you think ?
So, to be clear, we're on an aarch64 SoC, but U-Boot has been entered in 32bit mode. And we need to boot a 64bit Linux Kernel. What else, if anything, is also loaded/still in residence/etc? Can you explain the overall usecase a bit more and why we're in 32bit mode? Thanks! -- Tom
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