target/riscv/cpu_user.h

   1 #ifndef TARGET_RISCV_CPU_USER_H
   2 #define TARGET_RISCV_CPU_USER_H
   3
   4 #define xRA 1   /* return address (aka link register) */
   5 #define xSP 2   /* stack pointer */
   6 #define xGP 3   /* global pointer */
   7 #define xTP 4   /* thread pointer */
   8
   9 #define xA0 10  /* gpr[10-17] are syscall arguments */
  10 #define xA1 11
  11 #define xA2 12
  12 #define xA3 13
  13 #define xA4 14
  14 #define xA5 15
  15 #define xA6 16
  16 #define xA7 17  /* syscall number for RVI ABI */
  17 #define xT0 5   /* syscall number for RVE ABI */
  18
  19 #endif