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/*
* RISC-V translation routines for the Zk[nd,ne,nh,sed,sh] Standard Extension.
*
* Copyright (c) 2021 Ruibo Lu, luruibo2000@163.com
* Copyright (c) 2021 Zewen Ye, lustrew@foxmail.com
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2 or later, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License along with
* this program. If not, see <http://www.gnu.org/licenses/>.
*/
#define REQUIRE_ZKND(ctx) do { \
if (!ctx->cfg_ptr->ext_zknd) { \
return false; \
} \
} while (0)
#define REQUIRE_ZKNE(ctx) do { \
if (!ctx->cfg_ptr->ext_zkne) { \
return false; \
} \
} while (0)
static bool gen_aes32_sm4(DisasContext *ctx, arg_k_aes *a,
void (*func)(TCGv, TCGv, TCGv, TCGv))
{
TCGv shamt = tcg_constant_tl(a->shamt);
TCGv dest = dest_gpr(ctx, a->rd);
TCGv src1 = get_gpr(ctx, a->rs1, EXT_NONE);
TCGv src2 = get_gpr(ctx, a->rs2, EXT_NONE);
func(dest, src1, src2, shamt);
gen_set_gpr(ctx, a->rd, dest);
return true;
}
static bool trans_aes32esmi(DisasContext *ctx, arg_aes32esmi *a)
{
REQUIRE_32BIT(ctx);
REQUIRE_ZKNE(ctx);
return gen_aes32_sm4(ctx, a, gen_helper_aes32esmi);
}
static bool trans_aes32esi(DisasContext *ctx, arg_aes32esi *a)
{
REQUIRE_32BIT(ctx);
REQUIRE_ZKNE(ctx);
return gen_aes32_sm4(ctx, a, gen_helper_aes32esi);
}
static bool trans_aes32dsmi(DisasContext *ctx, arg_aes32dsmi *a)
{
REQUIRE_32BIT(ctx);
REQUIRE_ZKND(ctx);
return gen_aes32_sm4(ctx, a, gen_helper_aes32dsmi);
}
static bool trans_aes32dsi(DisasContext *ctx, arg_aes32dsi *a)
{
REQUIRE_32BIT(ctx);
REQUIRE_ZKND(ctx);
return gen_aes32_sm4(ctx, a, gen_helper_aes32dsi);
}
static bool trans_aes64es(DisasContext *ctx, arg_aes64es *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_ZKNE(ctx);
return gen_arith(ctx, a, EXT_NONE, gen_helper_aes64es, NULL);
}
static bool trans_aes64esm(DisasContext *ctx, arg_aes64esm *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_ZKNE(ctx);
return gen_arith(ctx, a, EXT_NONE, gen_helper_aes64esm, NULL);
}
static bool trans_aes64ds(DisasContext *ctx, arg_aes64ds *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_ZKND(ctx);
return gen_arith(ctx, a, EXT_NONE, gen_helper_aes64ds, NULL);
}
static bool trans_aes64dsm(DisasContext *ctx, arg_aes64dsm *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_ZKND(ctx);
return gen_arith(ctx, a, EXT_NONE, gen_helper_aes64dsm, NULL);
}
static bool trans_aes64ks2(DisasContext *ctx, arg_aes64ks2 *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_EITHER_EXT(ctx, zknd, zkne);
return gen_arith(ctx, a, EXT_NONE, gen_helper_aes64ks2, NULL);
}
static bool trans_aes64ks1i(DisasContext *ctx, arg_aes64ks1i *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_EITHER_EXT(ctx, zknd, zkne);
if (a->imm > 0xA) {
return false;
}
return gen_arith_imm_tl(ctx, a, EXT_NONE, gen_helper_aes64ks1i, NULL);
}
static bool trans_aes64im(DisasContext *ctx, arg_aes64im *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_ZKND(ctx);
return gen_unary(ctx, a, EXT_NONE, gen_helper_aes64im);
}
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