xref: /openbmc/qemu/target/riscv/cpu_user.h (revision 47ae93cd)
1 #define xRA 1   /* return address (aka link register) */
2 #define xSP 2   /* stack pointer */
3 #define xGP 3   /* global pointer */
4 #define xTP 4   /* thread pointer */
5 
6 #define xA0 10  /* gpr[10-17] are syscall arguments */
7 #define xA1 11
8 #define xA2 12
9 #define xA3 13
10 #define xA4 14
11 #define xA5 15
12 #define xA6 16
13 #define xA7 17  /* syscall number goes here */
14