On Mon, May 20, 2024 at 9:00 AM Jiaxun Yang <jiaxun.y...@flygoat.com> wrote: > >> diff --git a/arch/xtensa/config.mk b/arch/xtensa/config.mk > >> index b0809999e403..3ec936272f25 100644 > >> --- a/arch/xtensa/config.mk > >> +++ b/arch/xtensa/config.mk > >> @@ -7,3 +7,6 @@ PLATFORM_CPPFLAGS += -D__XTENSA__ -mlongcalls > >> -mforce-no-pic \ > >> -ffunction-sections -fdata-sections > >> > >> LDFLAGS_FINAL += --gc-sections > >> + > >> +PLATFORM_ELFFLAGS += -B xtensa -O elf32-xtensa-le > >> + > > > > This fixes endianness as little for the whole architecture, but xtensa cores > > may be either little or big endian. > > Thanks for reviewing, I can just add a branch with ifdef CONFIG_SYS_BIG_EDNIAN > if you wish, but I think all CPUs U-Boot support are little endian only? > > I have an ongoing series[1] fixing endian selection options, please let me > know if > U-Boot do work with big endian Xtensa.
I had an impression that there's nothing endian-specific in the xtensa port, so it should work for both little- and big-endian cores. Let me test whether it's true though (: > [1]: > https://patchwork.ozlabs.org/project/uboot/patch/20240519-aarch64-be-v1-11-75cc328ed...@flygoat.com/ -- Thanks. -- Max