xref: /OK3568_Linux_fs/kernel/arch/csky/abiv1/inc/abi/reg_ops.h (revision 4882a59341e53eb6f0b4789bf948001014eff981) 
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun #ifndef __ABI_REG_OPS_H
5*4882a593Smuzhiyun #define __ABI_REG_OPS_H
6*4882a593Smuzhiyun #include <asm/reg_ops.h>
7*4882a593Smuzhiyun 
8*4882a593Smuzhiyun #define cprcr(reg)					\
9*4882a593Smuzhiyun ({							\
10*4882a593Smuzhiyun 	unsigned int tmp;				\
11*4882a593Smuzhiyun 	asm volatile("cprcr %0, "reg"\n":"=b"(tmp));	\
12*4882a593Smuzhiyun 	tmp;						\
13*4882a593Smuzhiyun })
14*4882a593Smuzhiyun 
15*4882a593Smuzhiyun #define cpwcr(reg, val)					\
16*4882a593Smuzhiyun ({							\
17*4882a593Smuzhiyun 	asm volatile("cpwcr %0, "reg"\n"::"b"(val));	\
18*4882a593Smuzhiyun })
19*4882a593Smuzhiyun 
mfcr_hint(void)20*4882a593Smuzhiyun static inline unsigned int mfcr_hint(void)
21*4882a593Smuzhiyun {
22*4882a593Smuzhiyun 	return mfcr("cr30");
23*4882a593Smuzhiyun }
24*4882a593Smuzhiyun 
mfcr_ccr2(void)25*4882a593Smuzhiyun static inline unsigned int mfcr_ccr2(void) { return 0; }
26*4882a593Smuzhiyun 
27*4882a593Smuzhiyun #endif /* __ABI_REG_OPS_H */
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