qemu-e2k/target/loongarch/translate.h
Song Gao 143d6785ef target/loongarch: Add fixed point arithmetic instruction translation
This includes:
- ADD.{W/D}, SUB.{W/D}
- ADDI.{W/D}, ADDU16ID
- ALSL.{W[U]/D}
- LU12I.W, LU32I.D LU52I.D
- SLT[U], SLT[U]I
- PCADDI, PCADDU12I, PCADDU18I, PCALAU12I
- AND, OR, NOR, XOR, ANDN, ORN
- MUL.{W/D}, MULH.{W[U]/D[U]}
- MULW.D.W[U]
- DIV.{W[U]/D[U]}, MOD.{W[U]/D[U]}
- ANDI, ORI, XORI

Signed-off-by: Song Gao <gaosong@loongson.cn>
Signed-off-by: Xiaojuan Yang <yangxiaojuan@loongson.cn>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20220606124333.2060567-5-yangxiaojuan@loongson.cn>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
2022-06-06 18:09:03 +00:00

46 lines
1.1 KiB
C

/* 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, FUNC, ...) \
static bool trans_##NAME(DisasContext *ctx, arg_##NAME * a) \
{ return FUNC(ctx, a, __VA_ARGS__); }
/*
* 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;
int mem_idx;
TCGv zero;
/* Space for 3 operands plus 1 extra for address computation. */
TCGv temp[4];
uint8_t ntemp;
} 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