On Sat, Aug 22, 2026 at 01:03:16PM -0600, Tom Rini wrote: > On Sat, Aug 22, 2026 at 05:52:14PM +0000, Yao Zi wrote: > > On Fri, Aug 21, 2026 at 10:20:48AM -0600, Tom Rini wrote: > > > On Fri, Aug 21, 2026 at 08:42:10AM +0000, Yao Zi wrote: > > > > > > > From: Jiaxun Yang <[email protected]> > > > > > > > > Implement loading and booting functions for LoongArch > > > > standard kernel image as per spec. > > > > > > > > LoongArch kernel do expect us to fake a efi systemtable > > > > I occasionally noticed this typo ('a' -> 'an'), will fix it. > > > > > > for passing fdt to kernel, we don't need to implement any > > > > EFI functions for kernel because it won't look into anything > > > > beside devicetree from that table if we tell kernel we are > > > > not efi compatible by setting a0 boot argument to zero. > > > > > > > > Link: https://docs.kernel.org/arch/loongarch/booting.html > > > > Signed-off-by: Jiaxun Yang <[email protected]> > > > > Signed-off-by: Yao Zi <[email protected]> > > > [snip] > > > > diff --git a/arch/loongarch/Kconfig b/arch/loongarch/Kconfig > > > > index ac4be2c837c0..5654de5a58c7 100644 > > > > --- a/arch/loongarch/Kconfig > > > > +++ b/arch/loongarch/Kconfig > > > > @@ -56,4 +56,7 @@ config STACK_SIZE_SHIFT > > > > config OF_BOARD_FIXUP > > > > default y if OF_SEPARATE > > > > > > > > +config LIB_BOOTM > > > > + select CRC32 > > > > > > If this is needed, it's a generic problem (and to be fixed outside this > > > series) where LIB_BOOTM (and possibly LIB_BOOTI/Z since you know what to > > > look for) need to select CRC32 and SPL_LIB_BOOTM SPL_CRC32. Thanks. > > > > I think the dependency is specific to LoongArch, since CRC32 is > > necessary only because we need to fake an EFI system table, which is > > CRC32-checksum'ed, to pass FDT to the kernel on LoongArch. AFAIK other > > architectures don't require such treatment, so I keep this > > LoongArch-only. > > Ah, I think where you select LIB_BOOTM you should also select CRC32 > then.
Or, finishing the thought, "select CRC32 if LOONGARCH" in the main entry for LIB_BOOTM. -- Tom
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