Am 20. Dezember 2024 23:22:19 MEZ schrieb Tom Rini <tr...@konsulko.com>: >In reworking the BLK usage in Kconfig, I found there's a few issues with >EFI_LOADER=y and BLK=n. In general, we can easily say that >lib/efi_loader/efi_file.c also should only be built with CONFIG_BLK. >That however leaves the bootmgr code, eficonfig code and then parts of >efi_device_path.c, efi_boottime.c and efi_setup.c which functionally >depend on BLK. While these calls can be if'd out, I'm unsure if the >result is usable. So rather than leave that buildable and imply that it >is, I'm leaving that combination non-buildable and commenting that >EFI_LOADER depends on BLK in the Kconfig currently.
EFI booting using only PXE or HTTP should be possible. But I admit we did not work on support for diskless devices, yet. > >Signed-off-by: Tom Rini <tr...@konsulko.com> Reviewed-by: Heinrich Schuchardt <xypron.g...@gmx.de> >--- >Cc: Heinrich Schuchardt <xypron.g...@gmx.de> >Cc: Ilias Apalodimas <ilias.apalodi...@linaro.org> >--- > lib/efi_loader/Kconfig | 3 ++- > 1 file changed, 2 insertions(+), 1 deletion(-) > >diff --git a/lib/efi_loader/Kconfig b/lib/efi_loader/Kconfig >index c46ffe3a9d89..798dced475e0 100644 >--- a/lib/efi_loader/Kconfig >+++ b/lib/efi_loader/Kconfig >@@ -8,13 +8,14 @@ config EFI_LOADER > SYS_CPU = armv7 || \ > SYS_CPU = armv8) || \ > X86 || RISCV || SANDBOX) >+ # We have not fully removed the requirement for some block device >+ depends on BLK > # We need EFI_STUB_64BIT to be set on x86_64 with EFI_STUB > depends on !EFI_STUB || !X86_64 || EFI_STUB_64BIT > # We need EFI_STUB_32BIT to be set on x86_32 with EFI_STUB > depends on !EFI_STUB || !X86 || X86_64 || EFI_STUB_32BIT > depends on !EFI_APP > default y if !ARM || SYS_CPU = armv7 || SYS_CPU = armv8 >- select BLK > select CHARSET > # We need to send DM events, dynamically, in the EFI block driver > select DM_EVENT