arch/csky/abiv2/inc/abi/regdef.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 // Copyright (C) 2018 Hangzhou C-SKY Microsystems co.,ltd.
   3
   4 #ifndef __ASM_CSKY_REGDEF_H
   5 #define __ASM_CSKY_REGDEF_H
   6
   7 #define syscallid       r7
   8 #define regs_syscallid(regs) regs->regs[3]
   9 #define regs_fp(regs) regs->regs[4]
  10
  11 /*
  12  * PSR format:
  13  * | 31 | 30-24 | 23-16 | 15 14 | 13-10 | 9 | 8-0 |
  14  *   S              VEC     TM            MM
  15  *
  16  *   S: Super Mode
  17  * VEC: Exception Number
  18  *  TM: Trace Mode
  19  *  MM: Memory unaligned addr access
  20  */
  21 #define DEFAULT_PSR_VALUE       0x80000200
  22
  23 #define SYSTRACE_SAVENUM        5
  24
  25 #define TRAP0_SIZE              4
  26
  27 #endif /* __ASM_CSKY_REGDEF_H */