1f91005e1SMarkus Armbruster #ifndef TARGET_RISCV_CPU_USER_H 2f91005e1SMarkus Armbruster #define TARGET_RISCV_CPU_USER_H 3f91005e1SMarkus Armbruster 447ae93cdSMichael Clark #define xRA 1 /* return address (aka link register) */ 547ae93cdSMichael Clark #define xSP 2 /* stack pointer */ 647ae93cdSMichael Clark #define xGP 3 /* global pointer */ 747ae93cdSMichael Clark #define xTP 4 /* thread pointer */ 847ae93cdSMichael Clark 947ae93cdSMichael Clark #define xA0 10 /* gpr[10-17] are syscall arguments */ 1047ae93cdSMichael Clark #define xA1 11 1147ae93cdSMichael Clark #define xA2 12 1247ae93cdSMichael Clark #define xA3 13 1347ae93cdSMichael Clark #define xA4 14 1447ae93cdSMichael Clark #define xA5 15 1547ae93cdSMichael Clark #define xA6 16 165836c3ecSKito Cheng #define xA7 17 /* syscall number for RVI ABI */ 175836c3ecSKito Cheng #define xT0 5 /* syscall number for RVE ABI */ 18*966f3a38SDeepak Gupta #define xT2 7 19f91005e1SMarkus Armbruster 20f91005e1SMarkus Armbruster #endif 21