blob: aa9d41c18c64c8b24e06d2c3640e15a104184379 [file] [log] [blame]
/*
* RISC-V translation routines for the RVXI Base Integer Instruction Set.
*
* Copyright (c) 2020 Western Digital
*
* 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/>.
*/
#ifdef CONFIG_USER_ONLY
#define do_hlv(ctx, a, func) false
#define do_hsv(ctx, a, func) false
#else
static void gen_helper_hyp_hlv_b(TCGv r, TCGv_env e, TCGv a)
{
gen_helper_hyp_hlv_bu(r, e, a);
tcg_gen_ext8s_tl(r, r);
}
static void gen_helper_hyp_hlv_h(TCGv r, TCGv_env e, TCGv a)
{
gen_helper_hyp_hlv_hu(r, e, a);
tcg_gen_ext16s_tl(r, r);
}
static void gen_helper_hyp_hlv_w(TCGv r, TCGv_env e, TCGv a)
{
gen_helper_hyp_hlv_wu(r, e, a);
tcg_gen_ext32s_tl(r, r);
}
static bool do_hlv(DisasContext *ctx, arg_r2 *a,
void (*func)(TCGv, TCGv_env, TCGv))
{
TCGv dest = dest_gpr(ctx, a->rd);
TCGv addr = get_gpr(ctx, a->rs1, EXT_NONE);
decode_save_opc(ctx);
func(dest, tcg_env, addr);
gen_set_gpr(ctx, a->rd, dest);
return true;
}
static bool do_hsv(DisasContext *ctx, arg_r2_s *a,
void (*func)(TCGv_env, TCGv, TCGv))
{
TCGv addr = get_gpr(ctx, a->rs1, EXT_NONE);
TCGv data = get_gpr(ctx, a->rs2, EXT_NONE);
decode_save_opc(ctx);
func(tcg_env, addr, data);
return true;
}
#endif /* CONFIG_USER_ONLY */
static bool trans_hlv_b(DisasContext *ctx, arg_hlv_b *a)
{
REQUIRE_EXT(ctx, RVH);
return do_hlv(ctx, a, gen_helper_hyp_hlv_b);
}
static bool trans_hlv_h(DisasContext *ctx, arg_hlv_h *a)
{
REQUIRE_EXT(ctx, RVH);
return do_hlv(ctx, a, gen_helper_hyp_hlv_h);
}
static bool trans_hlv_w(DisasContext *ctx, arg_hlv_w *a)
{
REQUIRE_EXT(ctx, RVH);
return do_hlv(ctx, a, gen_helper_hyp_hlv_w);
}
static bool trans_hlv_bu(DisasContext *ctx, arg_hlv_bu *a)
{
REQUIRE_EXT(ctx, RVH);
return do_hlv(ctx, a, gen_helper_hyp_hlv_bu);
}
static bool trans_hlv_hu(DisasContext *ctx, arg_hlv_hu *a)
{
REQUIRE_EXT(ctx, RVH);
return do_hlv(ctx, a, gen_helper_hyp_hlv_hu);
}
static bool trans_hsv_b(DisasContext *ctx, arg_hsv_b *a)
{
REQUIRE_EXT(ctx, RVH);
return do_hsv(ctx, a, gen_helper_hyp_hsv_b);
}
static bool trans_hsv_h(DisasContext *ctx, arg_hsv_h *a)
{
REQUIRE_EXT(ctx, RVH);
return do_hsv(ctx, a, gen_helper_hyp_hsv_h);
}
static bool trans_hsv_w(DisasContext *ctx, arg_hsv_w *a)
{
REQUIRE_EXT(ctx, RVH);
return do_hsv(ctx, a, gen_helper_hyp_hsv_w);
}
static bool trans_hlv_wu(DisasContext *ctx, arg_hlv_wu *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_EXT(ctx, RVH);
return do_hlv(ctx, a, gen_helper_hyp_hlv_wu);
}
static bool trans_hlv_d(DisasContext *ctx, arg_hlv_d *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_EXT(ctx, RVH);
return do_hlv(ctx, a, gen_helper_hyp_hlv_d);
}
static bool trans_hsv_d(DisasContext *ctx, arg_hsv_d *a)
{
REQUIRE_64BIT(ctx);
REQUIRE_EXT(ctx, RVH);
return do_hsv(ctx, a, gen_helper_hyp_hsv_d);
}
static bool trans_hlvx_hu(DisasContext *ctx, arg_hlvx_hu *a)
{
REQUIRE_EXT(ctx, RVH);
return do_hlv(ctx, a, gen_helper_hyp_hlvx_hu);
}
static bool trans_hlvx_wu(DisasContext *ctx, arg_hlvx_wu *a)
{
REQUIRE_EXT(ctx, RVH);
return do_hlv(ctx, a, gen_helper_hyp_hlvx_wu);
}
static bool trans_hfence_gvma(DisasContext *ctx, arg_sfence_vma *a)
{
REQUIRE_EXT(ctx, RVH);
#ifndef CONFIG_USER_ONLY
decode_save_opc(ctx);
gen_helper_hyp_gvma_tlb_flush(tcg_env);
return true;
#endif
return false;
}
static bool trans_hfence_vvma(DisasContext *ctx, arg_sfence_vma *a)
{
REQUIRE_EXT(ctx, RVH);
#ifndef CONFIG_USER_ONLY
decode_save_opc(ctx);
gen_helper_hyp_tlb_flush(tcg_env);
return true;
#endif
return false;
}