/*
 * Initial TCG Implementation for aarch64
 *
 * Copyright (c) 2013 Huawei Technologies Duesseldorf GmbH
 * Written by Claudio Fontana
 *
 * This work is licensed under the terms of the GNU GPL, version 2 or
 * (at your option) any later version.
 *
 * See the COPYING file in the top-level directory for details.
 */

#ifndef AARCH64_TCG_TARGET_H
#define AARCH64_TCG_TARGET_H

#define TCG_TARGET_INSN_UNIT_SIZE  4
#define MAX_CODE_GEN_BUFFER_SIZE  ((size_t)-1)

typedef enum {
    TCG_REG_X0, TCG_REG_X1, TCG_REG_X2, TCG_REG_X3,
    TCG_REG_X4, TCG_REG_X5, TCG_REG_X6, TCG_REG_X7,
    TCG_REG_X8, TCG_REG_X9, TCG_REG_X10, TCG_REG_X11,
    TCG_REG_X12, TCG_REG_X13, TCG_REG_X14, TCG_REG_X15,
    TCG_REG_X16, TCG_REG_X17, TCG_REG_X18, TCG_REG_X19,
    TCG_REG_X20, TCG_REG_X21, TCG_REG_X22, TCG_REG_X23,
    TCG_REG_X24, TCG_REG_X25, TCG_REG_X26, TCG_REG_X27,
    TCG_REG_X28, TCG_REG_X29, TCG_REG_X30,

    /* X31 is either the stack pointer or zero, depending on context.  */
    TCG_REG_SP = 31,
    TCG_REG_XZR = 31,

    TCG_REG_V0 = 32, TCG_REG_V1, TCG_REG_V2, TCG_REG_V3,
    TCG_REG_V4, TCG_REG_V5, TCG_REG_V6, TCG_REG_V7,
    TCG_REG_V8, TCG_REG_V9, TCG_REG_V10, TCG_REG_V11,
    TCG_REG_V12, TCG_REG_V13, TCG_REG_V14, TCG_REG_V15,
    TCG_REG_V16, TCG_REG_V17, TCG_REG_V18, TCG_REG_V19,
    TCG_REG_V20, TCG_REG_V21, TCG_REG_V22, TCG_REG_V23,
    TCG_REG_V24, TCG_REG_V25, TCG_REG_V26, TCG_REG_V27,
    TCG_REG_V28, TCG_REG_V29, TCG_REG_V30, TCG_REG_V31,

    /* Aliases.  */
    TCG_REG_FP = TCG_REG_X29,
    TCG_REG_LR = TCG_REG_X30,
    TCG_AREG0  = TCG_REG_X19,
} TCGReg;

#define TCG_REG_ZERO TCG_REG_XZR

#define TCG_TARGET_NB_REGS 64

#endif /* AARCH64_TCG_TARGET_H */