diff --git a/sys/boot/arm/uboot/start.S b/sys/boot/arm/uboot/start.S index c53330cb2576..65148c9c9777 100644 --- a/sys/boot/arm/uboot/start.S +++ b/sys/boot/arm/uboot/start.S @@ -49,27 +49,20 @@ _start: * syscall() */ ENTRY(syscall) - /* Save caller's lr */ + /* Save caller's lr and r8 */ ldr ip, =saved_regs str lr, [ip, #4] - /* Save loader's r8 */ - ldr ip, =saved_regs str r8, [ip, #8] - /* Restore U-Boot's r8 */ - ldr ip, =saved_regs ldr r8, [ip, #0] /* Call into U-Boot */ ldr lr, =return_from_syscall ldr ip, =syscall_ptr ldr pc, [ip] - return_from_syscall: - /* Restore loader's r8 */ + /* Restore loader's r8 and lr */ ldr ip, =saved_regs ldr r8, [ip, #8] - /* Restore caller's lr */ - ldr ip, =saved_regs ldr lr, [ip, #4] /* Return to caller */ mov pc, lr