From: Simon Glass <sjg@chromium.org> Some machines start U-Boot in a different exception level, so provide a way to view it. Signed-off-by: Simon Glass <sjg@chromium.org> --- arch/arm/lib/bdinfo.c | 7 +++++++ 1 file changed, 7 insertions(+) diff --git a/arch/arm/lib/bdinfo.c b/arch/arm/lib/bdinfo.c index 73033310879..ca853f6f374 100644 --- a/arch/arm/lib/bdinfo.c +++ b/arch/arm/lib/bdinfo.c @@ -61,4 +61,11 @@ void arch_print_bdinfo(void) printf("Early malloc usage: %x / %x\n", gd->malloc_ptr, CONFIG_VAL(SYS_MALLOC_F_LEN)); #endif +#ifdef CONFIG_ARM64 + ulong el; + + /* the CurrentEL register holds the current Exception Level in bits 3:2 */ + asm volatile("mrs %0, CurrentEL" : "=r" (el)); + lprint_num_l("CurrentEL", el); +#endif } -- 2.43.0