init 5.10_rt with nkio nkmcu

hc

2023-12-06 d38611ca164021d018c1b23eee65bbebc09c63e0

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __ASM_STACK_POINTER_H
#define __ASM_STACK_POINTER_H
 
/*
 * how to get the current stack pointer from C
 */
register unsigned long current_stack_pointer asm ("sp");
 
#endif /* __ASM_STACK_POINTER_H */