#if __riscv_xlen == 64 # define STORE sd # define LOAD ld # define LOG_REGBYTES 3 #else # define STORE sw # define LOAD lw # define LOG_REGBYTES 2 #endif #define REGBYTES (1 << LOG_REGBYTES) .global start_kmain .text start_kmain: li t0, (1 << 11) | (1 << 5) csrw mstatus, t0 csrw mepc, a0 add a0, a1, zero add a1, a2, zero add a2, a3, zero add a3, a4, zero add a4, a5, zero add a5, a6, zero add a6, a7, zero add a7, zero, zero mret // Return to kmain