from or1k.h:38
enum or1k_reg_nums
{
OR1K_REG_R0 = 0,
OR1K_REG_R1,
OR1K_REG_R2,
OR1K_REG_R3,
OR1K_REG_R4,
OR1K_REG_R5,
OR1K_REG_R6,
OR1K_REG_R7,
OR1K_REG_R8,
OR1K_REG_R9,
OR1K_REG_R10,
OR1K_REG_R11,
OR1K_REG_R12,
OR1K_REG_R13,
OR1K_REG_R14,
OR1K_REG_R15,
OR1K_REG_R16,
OR1K_REG_R17,
OR1K_REG_R18,
OR1K_REG_R19,
OR1K_REG_R20,
OR1K_REG_R21,
OR1K_REG_R22,
OR1K_REG_R23,
OR1K_REG_R24,
OR1K_REG_R25,
OR1K_REG_R26,
OR1K_REG_R27,
OR1K_REG_R28,
OR1K_REG_R29,
OR1K_REG_R30,
OR1K_REG_R31,
OR1K_REG_PPC,
OR1K_REG_NPC,
OR1K_REG_SR,
OR1KNUMCOREREGS
};