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charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::1034; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1034.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1666236464585100003 In preparation for TARGET_TB_PCREL, reduce reliance on absolute values. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- target/arm/translate.h | 5 +++-- target/arm/translate-a64.c | 28 ++++++++++------------- target/arm/translate-m-nocp.c | 6 ++--- target/arm/translate-mve.c | 2 +- target/arm/translate-vfp.c | 6 ++--- target/arm/translate.c | 42 +++++++++++++++++------------------ 6 files changed, 43 insertions(+), 46 deletions(-) diff --git a/target/arm/translate.h b/target/arm/translate.h index d651044855..4aa239e23c 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -281,9 +281,10 @@ void arm_jump_cc(DisasCompare *cmp, TCGLabel *label); void arm_gen_test_cc(int cc, TCGLabel *label); MemOp pow2_align(unsigned i); void unallocated_encoding(DisasContext *s); -void gen_exception_insn_el(DisasContext *s, uint64_t pc, int excp, +void gen_exception_insn_el(DisasContext *s, target_long pc_diff, int excp, uint32_t syn, uint32_t target_el); -void gen_exception_insn(DisasContext *s, uint64_t pc, int excp, uint32_t s= yn); +void gen_exception_insn(DisasContext *s, target_long pc_diff, + int excp, uint32_t syn); =20 /* Return state of Alternate Half-precision flag, caller frees result */ static inline TCGv_i32 get_ahp_flag(void) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 585d42d5b2..49380e1cfe 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -1155,7 +1155,7 @@ static bool fp_access_check_only(DisasContext *s) assert(!s->fp_access_checked); s->fp_access_checked =3D true; =20 - gen_exception_insn_el(s, s->pc_curr, EXCP_UDEF, + gen_exception_insn_el(s, 0, EXCP_UDEF, syn_fp_access_trap(1, 0xe, false, 0), s->fp_excp_el); return false; @@ -1170,7 +1170,7 @@ static bool fp_access_check(DisasContext *s) return false; } if (s->sme_trap_nonstreaming && s->is_nonstreaming) { - gen_exception_insn(s, s->pc_curr, EXCP_UDEF, + gen_exception_insn(s, 0, EXCP_UDEF, syn_smetrap(SME_ET_Streaming, false)); return false; } @@ -1190,7 +1190,7 @@ bool sve_access_check(DisasContext *s) goto fail_exit; } } else if (s->sve_excp_el) { - gen_exception_insn_el(s, s->pc_curr, EXCP_UDEF, + gen_exception_insn_el(s, 0, EXCP_UDEF, syn_sve_access_trap(), s->sve_excp_el); goto fail_exit; } @@ -1212,7 +1212,7 @@ bool sve_access_check(DisasContext *s) static bool sme_access_check(DisasContext *s) { if (s->sme_excp_el) { - gen_exception_insn_el(s, s->pc_curr, EXCP_UDEF, + gen_exception_insn_el(s, 0, EXCP_UDEF, syn_smetrap(SME_ET_AccessTrap, false), s->sme_excp_el); return false; @@ -1242,12 +1242,12 @@ bool sme_enabled_check_with_svcr(DisasContext *s, u= nsigned req) return false; } if (FIELD_EX64(req, SVCR, SM) && !s->pstate_sm) { - gen_exception_insn(s, s->pc_curr, EXCP_UDEF, + gen_exception_insn(s, 0, EXCP_UDEF, syn_smetrap(SME_ET_NotStreaming, false)); return false; } if (FIELD_EX64(req, SVCR, ZA) && !s->pstate_za) { - gen_exception_insn(s, s->pc_curr, EXCP_UDEF, + gen_exception_insn(s, 0, EXCP_UDEF, syn_smetrap(SME_ET_InactiveZA, false)); return false; } @@ -1907,7 +1907,7 @@ static void gen_sysreg_undef(DisasContext *s, bool is= read, } else { syndrome =3D syn_uncategorized(); } - gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syndrome); + gen_exception_insn(s, 0, EXCP_UDEF, syndrome); } =20 /* MRS - move from system register @@ -2161,8 +2161,7 @@ static void disas_exc(DisasContext *s, uint32_t insn) switch (op2_ll) { case 1: /* SVC= */ gen_ss_advance(s); - gen_exception_insn(s, s->base.pc_next, EXCP_SWI, - syn_aa64_svc(imm16)); + gen_exception_insn(s, 4, EXCP_SWI, syn_aa64_svc(imm16)); break; case 2: /* HVC= */ if (s->current_el =3D=3D 0) { @@ -2175,8 +2174,7 @@ static void disas_exc(DisasContext *s, uint32_t insn) gen_a64_update_pc(s, 0); gen_helper_pre_hvc(cpu_env); gen_ss_advance(s); - gen_exception_insn_el(s, s->base.pc_next, EXCP_HVC, - syn_aa64_hvc(imm16), 2); + gen_exception_insn_el(s, 4, EXCP_HVC, syn_aa64_hvc(imm16), 2); break; case 3: /* SMC= */ if (s->current_el =3D=3D 0) { @@ -2186,8 +2184,7 @@ static void disas_exc(DisasContext *s, uint32_t insn) gen_a64_update_pc(s, 0); gen_helper_pre_smc(cpu_env, tcg_constant_i32(syn_aa64_smc(imm1= 6))); gen_ss_advance(s); - gen_exception_insn_el(s, s->base.pc_next, EXCP_SMC, - syn_aa64_smc(imm16), 3); + gen_exception_insn_el(s, 4, EXCP_SMC, syn_aa64_smc(imm16), 3); break; default: unallocated_encoding(s); @@ -14825,7 +14822,7 @@ static void aarch64_tr_translate_insn(DisasContextB= ase *dcbase, CPUState *cpu) * Illegal execution state. This has priority over BTI * exceptions, but comes after instruction abort exceptions. */ - gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syn_illegalstate()); + gen_exception_insn(s, 0, EXCP_UDEF, syn_illegalstate()); return; } =20 @@ -14856,8 +14853,7 @@ static void aarch64_tr_translate_insn(DisasContextB= ase *dcbase, CPUState *cpu) if (s->btype !=3D 0 && s->guarded_page && !btype_destination_ok(insn, s->bt, s->btype)) { - gen_exception_insn(s, s->pc_curr, EXCP_UDEF, - syn_btitrap(s->btype)); + gen_exception_insn(s, 0, EXCP_UDEF, syn_btitrap(s->btype)); return; } } else { diff --git a/target/arm/translate-m-nocp.c b/target/arm/translate-m-nocp.c index 4029d7fdd4..694fae7e2e 100644 --- a/target/arm/translate-m-nocp.c +++ b/target/arm/translate-m-nocp.c @@ -143,7 +143,7 @@ static bool trans_VSCCLRM(DisasContext *s, arg_VSCCLRM = *a) tcg_gen_brcondi_i32(TCG_COND_EQ, sfpa, 0, s->condlabel); =20 if (s->fp_excp_el !=3D 0) { - gen_exception_insn_el(s, s->pc_curr, EXCP_NOCP, + gen_exception_insn_el(s, 0, EXCP_NOCP, syn_uncategorized(), s->fp_excp_el); return true; } @@ -765,12 +765,12 @@ static bool trans_NOCP(DisasContext *s, arg_nocp *a) } =20 if (a->cp !=3D 10) { - gen_exception_insn(s, s->pc_curr, EXCP_NOCP, syn_uncategorized()); + gen_exception_insn(s, 0, EXCP_NOCP, syn_uncategorized()); return true; } =20 if (s->fp_excp_el !=3D 0) { - gen_exception_insn_el(s, s->pc_curr, EXCP_NOCP, + gen_exception_insn_el(s, 0, EXCP_NOCP, syn_uncategorized(), s->fp_excp_el); return true; } diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index 0cf1b5ea4f..db7ea3f603 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -100,7 +100,7 @@ bool mve_eci_check(DisasContext *s) return true; default: /* Reserved value: INVSTATE UsageFault */ - gen_exception_insn(s, s->pc_curr, EXCP_INVSTATE, syn_uncategorized= ()); + gen_exception_insn(s, 0, EXCP_INVSTATE, syn_uncategorized()); return false; } } diff --git a/target/arm/translate-vfp.c b/target/arm/translate-vfp.c index 070f465b17..5c5d58d2c6 100644 --- a/target/arm/translate-vfp.c +++ b/target/arm/translate-vfp.c @@ -230,7 +230,7 @@ static bool vfp_access_check_a(DisasContext *s, bool ig= nore_vfp_enabled) int coproc =3D arm_dc_feature(s, ARM_FEATURE_V8) ? 0 : 0xa; uint32_t syn =3D syn_fp_access_trap(1, 0xe, false, coproc); =20 - gen_exception_insn_el(s, s->pc_curr, EXCP_UDEF, syn, s->fp_excp_el= ); + gen_exception_insn_el(s, 0, EXCP_UDEF, syn, s->fp_excp_el); return false; } =20 @@ -240,7 +240,7 @@ static bool vfp_access_check_a(DisasContext *s, bool ig= nore_vfp_enabled) * appear to be any insns which touch VFP which are allowed. */ if (s->sme_trap_nonstreaming) { - gen_exception_insn(s, s->pc_curr, EXCP_UDEF, + gen_exception_insn(s, 0, EXCP_UDEF, syn_smetrap(SME_ET_Streaming, curr_insn_len(s) =3D=3D 2)); return false; @@ -272,7 +272,7 @@ bool vfp_access_check_m(DisasContext *s, bool skip_cont= ext_update) * the encoding space handled by the patterns in m-nocp.decode, * and for them we may need to raise NOCP here. */ - gen_exception_insn_el(s, s->pc_curr, EXCP_NOCP, + gen_exception_insn_el(s, 0, EXCP_NOCP, syn_uncategorized(), s->fp_excp_el); return false; } diff --git a/target/arm/translate.c b/target/arm/translate.c index 9863a08f49..350f991649 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -1099,32 +1099,34 @@ static void gen_exception(int excp, uint32_t syndro= me) tcg_constant_i32(syndrome)); } =20 -static void gen_exception_insn_el_v(DisasContext *s, uint64_t pc, int excp, - uint32_t syn, TCGv_i32 tcg_el) +static void gen_exception_insn_el_v(DisasContext *s, target_long pc_diff, + int excp, uint32_t syn, TCGv_i32 tcg_e= l) { if (s->aarch64) { - gen_a64_update_pc(s, pc - s->pc_curr); + gen_a64_update_pc(s, pc_diff); } else { gen_set_condexec(s); - gen_update_pc(s, pc - s->pc_curr); + gen_update_pc(s, pc_diff); } gen_exception_el_v(excp, syn, tcg_el); s->base.is_jmp =3D DISAS_NORETURN; } =20 -void gen_exception_insn_el(DisasContext *s, uint64_t pc, int excp, +void gen_exception_insn_el(DisasContext *s, target_long pc_diff, int excp, uint32_t syn, uint32_t target_el) { - gen_exception_insn_el_v(s, pc, excp, syn, tcg_constant_i32(target_el)); + gen_exception_insn_el_v(s, pc_diff, excp, syn, + tcg_constant_i32(target_el)); } =20 -void gen_exception_insn(DisasContext *s, uint64_t pc, int excp, uint32_t s= yn) +void gen_exception_insn(DisasContext *s, target_long pc_diff, + int excp, uint32_t syn) { if (s->aarch64) { - gen_a64_update_pc(s, pc - s->pc_curr); + gen_a64_update_pc(s, pc_diff); } else { gen_set_condexec(s); - gen_update_pc(s, pc - s->pc_curr); + gen_update_pc(s, pc_diff); } gen_exception(excp, syn); s->base.is_jmp =3D DISAS_NORETURN; @@ -1141,7 +1143,7 @@ static void gen_exception_bkpt_insn(DisasContext *s, = uint32_t syn) void unallocated_encoding(DisasContext *s) { /* Unallocated and reserved encodings are uncategorized */ - gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syn_uncategorized()); + gen_exception_insn(s, 0, EXCP_UDEF, syn_uncategorized()); } =20 /* Force a TB lookup after an instruction that changes the CPU state. */ @@ -2865,7 +2867,7 @@ static bool msr_banked_access_decode(DisasContext *s,= int r, int sysm, int rn, tcg_el =3D tcg_constant_i32(3); } =20 - gen_exception_insn_el_v(s, s->pc_curr, EXCP_UDEF, + gen_exception_insn_el_v(s, 0, EXCP_UDEF, syn_uncategorized(), tcg_el); tcg_temp_free_i32(tcg_el); return false; @@ -2891,7 +2893,7 @@ static bool msr_banked_access_decode(DisasContext *s,= int r, int sysm, int rn, =20 undef: /* If we get here then some access check did not pass */ - gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syn_uncategorized()); + gen_exception_insn(s, 0, EXCP_UDEF, syn_uncategorized()); return false; } =20 @@ -5115,8 +5117,7 @@ static void gen_srs(DisasContext *s, * For the UNPREDICTABLE cases we choose to UNDEF. */ if (s->current_el =3D=3D 1 && !s->ns && mode =3D=3D ARM_CPU_MODE_MON) { - gen_exception_insn_el(s, s->pc_curr, EXCP_UDEF, - syn_uncategorized(), 3); + gen_exception_insn_el(s, 0, EXCP_UDEF, syn_uncategorized(), 3); return; } =20 @@ -8498,7 +8499,7 @@ static bool trans_WLS(DisasContext *s, arg_WLS *a) * Do the check-and-raise-exception by hand. */ if (s->fp_excp_el) { - gen_exception_insn_el(s, s->pc_curr, EXCP_NOCP, + gen_exception_insn_el(s, 0, EXCP_NOCP, syn_uncategorized(), s->fp_excp_el); return true; } @@ -8601,7 +8602,7 @@ static bool trans_LE(DisasContext *s, arg_LE *a) tmp =3D load_cpu_field(v7m.ltpsize); tcg_gen_brcondi_i32(TCG_COND_EQ, tmp, 4, skipexc); tcg_temp_free_i32(tmp); - gen_exception_insn(s, s->pc_curr, EXCP_INVSTATE, syn_uncategorized= ()); + gen_exception_insn(s, 0, EXCP_INVSTATE, syn_uncategorized()); gen_set_label(skipexc); } =20 @@ -9069,7 +9070,7 @@ static void disas_arm_insn(DisasContext *s, unsigned = int insn) * UsageFault exception. */ if (arm_dc_feature(s, ARM_FEATURE_M)) { - gen_exception_insn(s, s->pc_curr, EXCP_INVSTATE, syn_uncategorized= ()); + gen_exception_insn(s, 0, EXCP_INVSTATE, syn_uncategorized()); return; } =20 @@ -9078,7 +9079,7 @@ static void disas_arm_insn(DisasContext *s, unsigned = int insn) * Illegal execution state. This has priority over BTI * exceptions, but comes after instruction abort exceptions. */ - gen_exception_insn(s, s->pc_curr, EXCP_UDEF, syn_illegalstate()); + gen_exception_insn(s, 0, EXCP_UDEF, syn_illegalstate()); return; } =20 @@ -9642,7 +9643,7 @@ static void thumb_tr_translate_insn(DisasContextBase = *dcbase, CPUState *cpu) * Illegal execution state. This has priority over BTI * exceptions, but comes after instruction abort exceptions. */ - gen_exception_insn(dc, dc->pc_curr, EXCP_UDEF, syn_illegalstate()); + gen_exception_insn(dc, 0, EXCP_UDEF, syn_illegalstate()); return; } =20 @@ -9715,8 +9716,7 @@ static void thumb_tr_translate_insn(DisasContextBase = *dcbase, CPUState *cpu) */ tcg_remove_ops_after(dc->insn_eci_rewind); dc->condjmp =3D 0; - gen_exception_insn(dc, dc->pc_curr, EXCP_INVSTATE, - syn_uncategorized()); + gen_exception_insn(dc, 0, EXCP_INVSTATE, syn_uncategorized()); } =20 arm_post_translate_insn(dc); --=20 2.34.1