#if XLEN == 64 # define LREG ld # define SREG sd # define REGBYTES 8 #else # define LREG lw # define SREG sw # define REGBYTES 4 #endif #ifdef CLINT #define MTIME_ADDR CLINT + 0xbff8 #endif .global main main: li s0, 0 li s1, MTIME_ADDR loop: addi s0, s0, 1 LREG s2, 0(s1) j loop