arch/csky/abiv1/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       r1
   8 #define regs_syscallid(regs) regs->regs[9]
   9 #define regs_fp(regs) regs->regs[2]
  10
  11 /*
  12  * PSR format:
  13  * | 31 | 30-24 | 23-16 | 15 14 | 13-0 |
  14  *   S     CPID     VEC     TM
  15  *
  16  *    S: Super Mode
  17  * CPID: Coprocessor id, only 15 for MMU
  18  *  VEC: Exception Number
  19  *   TM: Trace Mode
  20  */
  21 #define DEFAULT_PSR_VALUE       0x8f000000
  22
  23 #define SYSTRACE_SAVENUM        2
  24
  25 #define TRAP0_SIZE              2
  26
  27 #endif /* __ASM_CSKY_REGDEF_H */