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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* LoongArch translation routines.
*
* Copyright (c) 2021 Loongson Technology Corporation Limited
*/
#ifndef TARGET_LOONGARCH_TRANSLATE_H
#define TARGET_LOONGARCH_TRANSLATE_H
#include "exec/translator.h"
#define TRANS(NAME, AVAIL, FUNC, ...) \
static bool trans_##NAME(DisasContext *ctx, arg_##NAME * a) \
{ return avail_##AVAIL(ctx) && FUNC(ctx, a, __VA_ARGS__); }
#define avail_ALL(C) true
#define avail_64(C) (FIELD_EX32((C)->cpucfg1, CPUCFG1, ARCH) == \
CPUCFG1_ARCH_LA64)
#define avail_FP(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, FP))
#define avail_FP_SP(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, FP_SP))
#define avail_FP_DP(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, FP_DP))
#define avail_LSPW(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, LSPW))
#define avail_LAM(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, LAM))
#define avail_LSX(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, LSX))
#define avail_LASX(C) (FIELD_EX32((C)->cpucfg2, CPUCFG2, LASX))
#define avail_IOCSR(C) (FIELD_EX32((C)->cpucfg1, CPUCFG1, IOCSR))
/*
* If an operation is being performed on less than TARGET_LONG_BITS,
* it may require the inputs to be sign- or zero-extended; which will
* depend on the exact operation being performed.
*/
typedef enum {
EXT_NONE,
EXT_SIGN,
EXT_ZERO,
} DisasExtend;
typedef struct DisasContext {
DisasContextBase base;
target_ulong page_start;
uint32_t opcode;
uint16_t mem_idx;
uint16_t plv;
int vl; /* Vector length */
TCGv zero;
bool la64; /* LoongArch64 mode */
bool va32; /* 32-bit virtual address */
uint32_t cpucfg1;
uint32_t cpucfg2;
} DisasContext;
void generate_exception(DisasContext *ctx, int excp);
extern TCGv cpu_gpr[32], cpu_pc;
extern TCGv_i32 cpu_fscr0;
extern TCGv_i64 cpu_fpr[32];
#endif
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