5  * Taken from Linux arch/riscv/include/asm/csr.h
64 #define xcsr(csr)	#csr  argument
66 #define csr_swap(csr, val)					\  argument
69 	__asm__ __volatile__ ("csrrw %0, " xcsr(csr) ", %1"	\
75 #define csr_read(csr)						\  argument
78 	__asm__ __volatile__ ("csrr %0, " xcsr(csr)		\
84 #define csr_write(csr, val)					\  argument
87 	__asm__ __volatile__ ("csrw " xcsr(csr) ", %0"		\
92 #define csr_read_set(csr, val)					\  argument
95 	__asm__ __volatile__ ("csrrs %0, " xcsr(csr) ", %1"	\
101 #define csr_set(csr, val)					\  argument
104 	__asm__ __volatile__ ("csrs " xcsr(csr) ", %0"		\
109 #define csr_read_clear(csr, val)				\  argument
112 	__asm__ __volatile__ ("csrrc %0, " xcsr(csr) ", %1"	\
118 #define csr_clear(csr, val)					\  argument
121 	__asm__ __volatile__ ("csrc " xcsr(csr) ", %0"		\