Commit dedfe259 authored by Max Filippov's avatar Max Filippov
Browse files

xtensa: add xtensa_xsr macro 



xtensa_xsr does the XSR instruction for the specified special register.

Signed-off-by: default avatarMax Filippov <jcmvbkbc@gmail.com>
parent 0b549f81

arch/xtensa/include/asm/processor.h

+7 −0
Original line number Diff line number Diff line
@@ -246,6 +246,13 @@ extern unsigned long __get_wchan(struct task_struct *p); 
	 v; \

	 })



#define xtensa_xsr(x, sr) \

	({ \

	 unsigned int __v__ = (unsigned int)(x); \

	 __asm__ __volatile__ ("xsr %0, " __stringify(sr) : "+a"(__v__)); \

	 __v__; \

	 })



#if XCHAL_HAVE_EXTERN_REGS



static inline void set_er(unsigned long value, unsigned long addr)