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This will be used during unwind to get extra information about instruction like how to massage exceptions. Updated all callsites as well. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/594 Signed-off-by: Deepak Gupta Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis Message-ID: <20241008225010.1861630-16-debug@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/translate.c | 11 ++++++----- target/riscv/insn_trans/trans_privileged.c.inc | 8 ++++---- target/riscv/insn_trans/trans_rva.c.inc | 4 ++-- target/riscv/insn_trans/trans_rvd.c.inc | 4 ++-- target/riscv/insn_trans/trans_rvf.c.inc | 4 ++-- target/riscv/insn_trans/trans_rvh.c.inc | 8 ++++---- target/riscv/insn_trans/trans_rvi.c.inc | 6 +++--- target/riscv/insn_trans/trans_rvvk.c.inc | 10 +++++----- target/riscv/insn_trans/trans_rvzacas.c.inc | 4 ++-- target/riscv/insn_trans/trans_rvzfh.c.inc | 4 ++-- target/riscv/insn_trans/trans_svinval.c.inc | 6 +++--- 11 files changed, 35 insertions(+), 34 deletions(-) diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 0322597bf6..0ca10818f3 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -209,11 +209,12 @@ static void gen_check_nanbox_s(TCGv_i64 out, TCGv_i64= in) tcg_gen_movcond_i64(TCG_COND_GEU, out, in, t_max, in, t_nan); } =20 -static void decode_save_opc(DisasContext *ctx) +static void decode_save_opc(DisasContext *ctx, target_ulong excp_uw2) { assert(!ctx->insn_start_updated); ctx->insn_start_updated =3D true; tcg_set_insn_start_param(ctx->base.insn_start, 1, ctx->opcode); + tcg_set_insn_start_param(ctx->base.insn_start, 2, excp_uw2); } =20 static void gen_pc_plus_diff(TCGv target, DisasContext *ctx, @@ -699,7 +700,7 @@ static void gen_set_rm(DisasContext *ctx, int rm) } =20 /* The helper may raise ILLEGAL_INSN -- record binv for unwind. */ - decode_save_opc(ctx); + decode_save_opc(ctx, 0); gen_helper_set_rounding_mode(tcg_env, tcg_constant_i32(rm)); } =20 @@ -712,7 +713,7 @@ static void gen_set_rm_chkfrm(DisasContext *ctx, int rm) ctx->frm_valid =3D true; =20 /* The helper may raise ILLEGAL_INSN -- record binv for unwind. */ - decode_save_opc(ctx); + decode_save_opc(ctx, 0); gen_helper_set_rounding_mode_chkfrm(tcg_env, tcg_constant_i32(rm)); } =20 @@ -1096,7 +1097,7 @@ static bool gen_amo(DisasContext *ctx, arg_atomic *a, mop |=3D MO_ALIGN; } =20 - decode_save_opc(ctx); + decode_save_opc(ctx, RISCV_UW2_ALWAYS_STORE_AMO); src1 =3D get_address(ctx, a->rs1, 0); func(dest, src1, src2, ctx->mem_idx, mop); =20 @@ -1110,7 +1111,7 @@ static bool gen_cmpxchg(DisasContext *ctx, arg_atomic= *a, MemOp mop) TCGv src1 =3D get_address(ctx, a->rs1, 0); TCGv src2 =3D get_gpr(ctx, a->rs2, EXT_NONE); =20 - decode_save_opc(ctx); + decode_save_opc(ctx, RISCV_UW2_ALWAYS_STORE_AMO); tcg_gen_atomic_cmpxchg_tl(dest, src1, dest, src2, ctx->mem_idx, mop); =20 gen_set_gpr(ctx, a->rd, dest); diff --git a/target/riscv/insn_trans/trans_privileged.c.inc b/target/riscv/= insn_trans/trans_privileged.c.inc index bc5263a4e0..ecd3b8b2c9 100644 --- a/target/riscv/insn_trans/trans_privileged.c.inc +++ b/target/riscv/insn_trans/trans_privileged.c.inc @@ -78,7 +78,7 @@ static bool trans_sret(DisasContext *ctx, arg_sret *a) { #ifndef CONFIG_USER_ONLY if (has_ext(ctx, RVS)) { - decode_save_opc(ctx); + decode_save_opc(ctx, 0); translator_io_start(&ctx->base); gen_helper_sret(cpu_pc, tcg_env); exit_tb(ctx); /* no chaining */ @@ -95,7 +95,7 @@ static bool trans_sret(DisasContext *ctx, arg_sret *a) static bool trans_mret(DisasContext *ctx, arg_mret *a) { #ifndef CONFIG_USER_ONLY - decode_save_opc(ctx); + decode_save_opc(ctx, 0); translator_io_start(&ctx->base); gen_helper_mret(cpu_pc, tcg_env); exit_tb(ctx); /* no chaining */ @@ -109,7 +109,7 @@ static bool trans_mret(DisasContext *ctx, arg_mret *a) static bool trans_wfi(DisasContext *ctx, arg_wfi *a) { #ifndef CONFIG_USER_ONLY - decode_save_opc(ctx); + decode_save_opc(ctx, 0); gen_update_pc(ctx, ctx->cur_insn_len); gen_helper_wfi(tcg_env); return true; @@ -121,7 +121,7 @@ static bool trans_wfi(DisasContext *ctx, arg_wfi *a) static bool trans_sfence_vma(DisasContext *ctx, arg_sfence_vma *a) { #ifndef CONFIG_USER_ONLY - decode_save_opc(ctx); + decode_save_opc(ctx, 0); gen_helper_tlb_flush(tcg_env); return true; #endif diff --git a/target/riscv/insn_trans/trans_rva.c.inc b/target/riscv/insn_tr= ans/trans_rva.c.inc index 39bbf60f3c..9cf3ae8019 100644 --- a/target/riscv/insn_trans/trans_rva.c.inc +++ b/target/riscv/insn_trans/trans_rva.c.inc @@ -34,7 +34,7 @@ static bool gen_lr(DisasContext *ctx, arg_atomic *a, MemO= p mop) { TCGv src1; =20 - decode_save_opc(ctx); + decode_save_opc(ctx, 0); src1 =3D get_address(ctx, a->rs1, 0); if (a->rl) { tcg_gen_mb(TCG_MO_ALL | TCG_BAR_STRL); @@ -61,7 +61,7 @@ static bool gen_sc(DisasContext *ctx, arg_atomic *a, MemO= p mop) TCGLabel *l1 =3D gen_new_label(); TCGLabel *l2 =3D gen_new_label(); =20 - decode_save_opc(ctx); + decode_save_opc(ctx, 0); src1 =3D get_address(ctx, a->rs1, 0); tcg_gen_brcond_tl(TCG_COND_NE, load_res, src1, l1); =20 diff --git a/target/riscv/insn_trans/trans_rvd.c.inc b/target/riscv/insn_tr= ans/trans_rvd.c.inc index 8a46124f98..30883ea37c 100644 --- a/target/riscv/insn_trans/trans_rvd.c.inc +++ b/target/riscv/insn_trans/trans_rvd.c.inc @@ -61,7 +61,7 @@ static bool trans_fld(DisasContext *ctx, arg_fld *a) memop |=3D MO_ATOM_IFALIGN; } =20 - decode_save_opc(ctx); + decode_save_opc(ctx, 0); addr =3D get_address(ctx, a->rs1, a->imm); tcg_gen_qemu_ld_i64(cpu_fpr[a->rd], addr, ctx->mem_idx, memop); =20 @@ -85,7 +85,7 @@ static bool trans_fsd(DisasContext *ctx, arg_fsd *a) memop |=3D MO_ATOM_IFALIGN; } =20 - decode_save_opc(ctx); + decode_save_opc(ctx, 0); addr =3D get_address(ctx, a->rs1, a->imm); tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], addr, ctx->mem_idx, memop); return true; diff --git a/target/riscv/insn_trans/trans_rvf.c.inc b/target/riscv/insn_tr= ans/trans_rvf.c.inc index 0222a728df..ed73afe089 100644 --- a/target/riscv/insn_trans/trans_rvf.c.inc +++ b/target/riscv/insn_trans/trans_rvf.c.inc @@ -52,7 +52,7 @@ static bool trans_flw(DisasContext *ctx, arg_flw *a) memop |=3D MO_ATOM_WITHIN16; } =20 - decode_save_opc(ctx); + decode_save_opc(ctx, 0); addr =3D get_address(ctx, a->rs1, a->imm); dest =3D cpu_fpr[a->rd]; tcg_gen_qemu_ld_i64(dest, addr, ctx->mem_idx, memop); @@ -74,7 +74,7 @@ static bool trans_fsw(DisasContext *ctx, arg_fsw *a) memop |=3D MO_ATOM_WITHIN16; } =20 - decode_save_opc(ctx); + decode_save_opc(ctx, 0); addr =3D get_address(ctx, a->rs1, a->imm); tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], addr, ctx->mem_idx, memop); return true; diff --git a/target/riscv/insn_trans/trans_rvh.c.inc b/target/riscv/insn_tr= ans/trans_rvh.c.inc index aa9d41c18c..03c6694430 100644 --- a/target/riscv/insn_trans/trans_rvh.c.inc +++ b/target/riscv/insn_trans/trans_rvh.c.inc @@ -44,7 +44,7 @@ static bool do_hlv(DisasContext *ctx, arg_r2 *a, TCGv dest =3D dest_gpr(ctx, a->rd); TCGv addr =3D get_gpr(ctx, a->rs1, EXT_NONE); =20 - decode_save_opc(ctx); + decode_save_opc(ctx, 0); func(dest, tcg_env, addr); gen_set_gpr(ctx, a->rd, dest); return true; @@ -56,7 +56,7 @@ static bool do_hsv(DisasContext *ctx, arg_r2_s *a, TCGv addr =3D get_gpr(ctx, a->rs1, EXT_NONE); TCGv data =3D get_gpr(ctx, a->rs2, EXT_NONE); =20 - decode_save_opc(ctx); + decode_save_opc(ctx, 0); func(tcg_env, addr, data); return true; } @@ -147,7 +147,7 @@ static bool trans_hfence_gvma(DisasContext *ctx, arg_sf= ence_vma *a) { REQUIRE_EXT(ctx, RVH); #ifndef CONFIG_USER_ONLY - decode_save_opc(ctx); + decode_save_opc(ctx, 0); gen_helper_hyp_gvma_tlb_flush(tcg_env); return true; #endif @@ -158,7 +158,7 @@ static bool trans_hfence_vvma(DisasContext *ctx, arg_sf= ence_vma *a) { REQUIRE_EXT(ctx, RVH); #ifndef CONFIG_USER_ONLY - decode_save_opc(ctx); + decode_save_opc(ctx, 0); gen_helper_hyp_tlb_flush(tcg_env); return true; #endif diff --git a/target/riscv/insn_trans/trans_rvi.c.inc b/target/riscv/insn_tr= ans/trans_rvi.c.inc index 638fc0fb7b..96c218a9d7 100644 --- a/target/riscv/insn_trans/trans_rvi.c.inc +++ b/target/riscv/insn_trans/trans_rvi.c.inc @@ -326,7 +326,7 @@ static bool gen_load(DisasContext *ctx, arg_lb *a, MemO= p memop) if (ctx->cfg_ptr->ext_zama16b) { memop |=3D MO_ATOM_WITHIN16; } - decode_save_opc(ctx); + decode_save_opc(ctx, 0); if (get_xl(ctx) =3D=3D MXL_RV128) { out =3D gen_load_i128(ctx, a, memop); } else { @@ -427,7 +427,7 @@ static bool gen_store(DisasContext *ctx, arg_sb *a, Mem= Op memop) if (ctx->cfg_ptr->ext_zama16b) { memop |=3D MO_ATOM_WITHIN16; } - decode_save_opc(ctx); + decode_save_opc(ctx, 0); if (get_xl(ctx) =3D=3D MXL_RV128) { return gen_store_i128(ctx, a, memop); } else { @@ -889,7 +889,7 @@ static bool trans_fence_i(DisasContext *ctx, arg_fence_= i *a) static bool do_csr_post(DisasContext *ctx) { /* The helper may raise ILLEGAL_INSN -- record binv for unwind. */ - decode_save_opc(ctx); + decode_save_opc(ctx, 0); /* We may have changed important cpu state -- exit to main loop. */ gen_update_pc(ctx, ctx->cur_insn_len); exit_tb(ctx); diff --git a/target/riscv/insn_trans/trans_rvvk.c.inc b/target/riscv/insn_t= rans/trans_rvvk.c.inc index ae1f40174a..27bf3f0b68 100644 --- a/target/riscv/insn_trans/trans_rvvk.c.inc +++ b/target/riscv/insn_trans/trans_rvvk.c.inc @@ -249,7 +249,7 @@ GEN_OPIVI_WIDEN_TRANS(vwsll_vi, IMM_ZX, vwsll_vx, vwsll= _vx_check) = \ if (!s->vstart_eq_zero || !s->vl_eq_vlmax) { = \ /* save opcode for unwinding in case we throw an exception= */ \ - decode_save_opc(s); = \ + decode_save_opc(s, 0); = \ egs =3D tcg_constant_i32(EGS); = \ gen_helper_egs_check(egs, tcg_env); = \ } = \ @@ -322,7 +322,7 @@ GEN_V_UNMASKED_TRANS(vaesem_vs, vaes_check_vs, ZVKNED_E= GS) = \ if (!s->vstart_eq_zero || !s->vl_eq_vlmax) { = \ /* save opcode for unwinding in case we throw an exception= */ \ - decode_save_opc(s); = \ + decode_save_opc(s, 0); = \ egs =3D tcg_constant_i32(EGS); = \ gen_helper_egs_check(egs, tcg_env); = \ } = \ @@ -389,7 +389,7 @@ GEN_VI_UNMASKED_TRANS(vaeskf2_vi, vaeskf2_check, ZVKNED= _EGS) = \ if (!s->vstart_eq_zero || !s->vl_eq_vlmax) { = \ /* save opcode for unwinding in case we throw an exception= */ \ - decode_save_opc(s); = \ + decode_save_opc(s, 0); = \ egs =3D tcg_constant_i32(EGS); = \ gen_helper_egs_check(egs, tcg_env); = \ } = \ @@ -440,7 +440,7 @@ static bool trans_vsha2cl_vv(DisasContext *s, arg_rmrr = *a) =20 if (!s->vstart_eq_zero || !s->vl_eq_vlmax) { /* save opcode for unwinding in case we throw an exception */ - decode_save_opc(s); + decode_save_opc(s, 0); egs =3D tcg_constant_i32(ZVKNH_EGS); gen_helper_egs_check(egs, tcg_env); } @@ -471,7 +471,7 @@ static bool trans_vsha2ch_vv(DisasContext *s, arg_rmrr = *a) =20 if (!s->vstart_eq_zero || !s->vl_eq_vlmax) { /* save opcode for unwinding in case we throw an exception */ - decode_save_opc(s); + decode_save_opc(s, 0); egs =3D tcg_constant_i32(ZVKNH_EGS); gen_helper_egs_check(egs, tcg_env); } diff --git a/target/riscv/insn_trans/trans_rvzacas.c.inc b/target/riscv/ins= n_trans/trans_rvzacas.c.inc index fcced99fc7..15e688a033 100644 --- a/target/riscv/insn_trans/trans_rvzacas.c.inc +++ b/target/riscv/insn_trans/trans_rvzacas.c.inc @@ -76,7 +76,7 @@ static bool gen_cmpxchg64(DisasContext *ctx, arg_atomic *= a, MemOp mop) TCGv src1 =3D get_address(ctx, a->rs1, 0); TCGv_i64 src2 =3D get_gpr_pair(ctx, a->rs2); =20 - decode_save_opc(ctx); + decode_save_opc(ctx, RISCV_UW2_ALWAYS_STORE_AMO); tcg_gen_atomic_cmpxchg_i64(dest, src1, dest, src2, ctx->mem_idx, mop); =20 gen_set_gpr_pair(ctx, a->rd, dest); @@ -121,7 +121,7 @@ static bool trans_amocas_q(DisasContext *ctx, arg_amoca= s_q *a) =20 tcg_gen_concat_i64_i128(src2, src2l, src2h); tcg_gen_concat_i64_i128(dest, destl, desth); - decode_save_opc(ctx); + decode_save_opc(ctx, RISCV_UW2_ALWAYS_STORE_AMO); tcg_gen_atomic_cmpxchg_i128(dest, src1, dest, src2, ctx->mem_idx, (MO_ALIGN | MO_TEUO)); =20 diff --git a/target/riscv/insn_trans/trans_rvzfh.c.inc b/target/riscv/insn_= trans/trans_rvzfh.c.inc index 1eb458b491..bece48e600 100644 --- a/target/riscv/insn_trans/trans_rvzfh.c.inc +++ b/target/riscv/insn_trans/trans_rvzfh.c.inc @@ -48,7 +48,7 @@ static bool trans_flh(DisasContext *ctx, arg_flh *a) REQUIRE_FPU; REQUIRE_ZFHMIN_OR_ZFBFMIN(ctx); =20 - decode_save_opc(ctx); + decode_save_opc(ctx, 0); t0 =3D get_gpr(ctx, a->rs1, EXT_NONE); if (a->imm) { TCGv temp =3D tcg_temp_new(); @@ -71,7 +71,7 @@ static bool trans_fsh(DisasContext *ctx, arg_fsh *a) REQUIRE_FPU; REQUIRE_ZFHMIN_OR_ZFBFMIN(ctx); =20 - decode_save_opc(ctx); + decode_save_opc(ctx, 0); t0 =3D get_gpr(ctx, a->rs1, EXT_NONE); if (a->imm) { TCGv temp =3D tcg_temp_new(); diff --git a/target/riscv/insn_trans/trans_svinval.c.inc b/target/riscv/ins= n_trans/trans_svinval.c.inc index 0f692a1088..a06c3b214f 100644 --- a/target/riscv/insn_trans/trans_svinval.c.inc +++ b/target/riscv/insn_trans/trans_svinval.c.inc @@ -28,7 +28,7 @@ static bool trans_sinval_vma(DisasContext *ctx, arg_sinva= l_vma *a) /* Do the same as sfence.vma currently */ REQUIRE_EXT(ctx, RVS); #ifndef CONFIG_USER_ONLY - decode_save_opc(ctx); + decode_save_opc(ctx, 0); gen_helper_tlb_flush(tcg_env); return true; #endif @@ -57,7 +57,7 @@ static bool trans_hinval_vvma(DisasContext *ctx, arg_hinv= al_vvma *a) /* Do the same as hfence.vvma currently */ REQUIRE_EXT(ctx, RVH); #ifndef CONFIG_USER_ONLY - decode_save_opc(ctx); + decode_save_opc(ctx, 0); gen_helper_hyp_tlb_flush(tcg_env); return true; #endif @@ -70,7 +70,7 @@ static bool trans_hinval_gvma(DisasContext *ctx, arg_hinv= al_gvma *a) /* Do the same as hfence.gvma currently */ REQUIRE_EXT(ctx, RVH); #ifndef CONFIG_USER_ONLY - decode_save_opc(ctx); + decode_save_opc(ctx, 0); gen_helper_hyp_gvma_tlb_flush(tcg_env); return true; #endif --=20 2.47.0