root/arch/csky/abiv1/inc/abi/reg_ops.h

INCLUDED FROM

DEFINITIONS

1. mfcr_hint
2. mfcr_ccr2

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