struct mips_regs { uint64_t uregs[38]; }; extern struct mips_regs mips_regs; #define REG_V0 2 #define REG_A0 4 #define mips_REG_V0 mips_regs.uregs[REG_V0] #define mips_REG_A0 mips_regs.uregs[REG_A0 + 0] #define mips_REG_A1 mips_regs.uregs[REG_A0 + 1] #define mips_REG_A2 mips_regs.uregs[REG_A0 + 2] #define mips_REG_A3 mips_regs.uregs[REG_A0 + 3] #define mips_REG_A4 mips_regs.uregs[REG_A0 + 4] #define mips_REG_A5 mips_regs.uregs[REG_A0 + 5] #define mips_REG_SP mips_regs.uregs[29] #define mips_REG_EPC mips_regs.uregs[34]