From nobody Wed Nov 5 12:34:47 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1534925531176872.6323051734119; Wed, 22 Aug 2018 01:12:11 -0700 (PDT) Received: from localhost ([::1]:57428 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsOFN-00069N-UO for importer@patchew.org; Wed, 22 Aug 2018 04:12:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34880) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsOAX-0001r4-Nd for qemu-devel@nongnu.org; Wed, 22 Aug 2018 04:07:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fsO1e-0000zF-Mj for qemu-devel@nongnu.org; Wed, 22 Aug 2018 03:57:59 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:33774 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fsO1c-0000xe-Np; Wed, 22 Aug 2018 03:57:58 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id BD3D240201CA; Wed, 22 Aug 2018 07:57:55 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-232.ams2.redhat.com [10.36.116.232]) by smtp.corp.redhat.com (Postfix) with ESMTP id 7FF4710FFE7F; Wed, 22 Aug 2018 07:57:54 +0000 (UTC) From: David Hildenbrand To: qemu-s390x@nongnu.org Date: Wed, 22 Aug 2018 09:57:43 +0200 Message-Id: <20180822075750.12399-2-david@redhat.com> In-Reply-To: <20180822075750.12399-1-david@redhat.com> References: <20180822075750.12399-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Wed, 22 Aug 2018 07:57:55 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Wed, 22 Aug 2018 07:57:55 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'david@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v1 1/8] s390x/tcg: factor out and fix DATA exception injection X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , Alexander Graf , qemu-devel@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" The DXC is to be stored in the low core, and only in the FPC in case AFP is enabled in CR0. Signed-off-by: David Hildenbrand --- target/s390x/cpu.h | 1 + target/s390x/excp_helper.c | 28 ++++++++++++++++++++++++++++ target/s390x/fpu_helper.c | 13 +++---------- target/s390x/helper.h | 1 + target/s390x/tcg_s390x.h | 2 ++ target/s390x/translate.c | 19 +++++++++---------- 6 files changed, 44 insertions(+), 20 deletions(-) diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index 6f8861e554..5e50c3a303 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -322,6 +322,7 @@ extern const struct VMStateDescription vmstate_s390_cpu; #define CR0_LOWPROT 0x0000000010000000ULL #define CR0_SECONDARY 0x0000000004000000ULL #define CR0_EDAT 0x0000000000800000ULL +#define CR0_AFP 0x0000000000040000ULL #define CR0_EMERGENCY_SIGNAL_SC 0x0000000000004000ULL #define CR0_EXTERNAL_CALL_SC 0x0000000000002000ULL #define CR0_CKC_SC 0x0000000000000800ULL diff --git a/target/s390x/excp_helper.c b/target/s390x/excp_helper.c index f0ce60cff2..f5cab94ec5 100644 --- a/target/s390x/excp_helper.c +++ b/target/s390x/excp_helper.c @@ -21,11 +21,13 @@ #include "qemu/osdep.h" #include "cpu.h" #include "internal.h" +#include "exec/helper-proto.h" #include "qemu/timer.h" #include "exec/exec-all.h" #include "exec/cpu_ldst.h" #include "hw/s390x/ioinst.h" #include "exec/address-spaces.h" +#include "tcg_s390x.h" #ifndef CONFIG_USER_ONLY #include "sysemu/sysemu.h" #include "hw/s390x/s390_flic.h" @@ -48,6 +50,32 @@ do { } while (0) #endif =20 +void QEMU_NORETURN tcg_s390_data_exception(CPUS390XState *env, uint32_t dx= c, + uintptr_t ra) +{ + CPUState *cs =3D CPU(s390_env_get_cpu(env)); + + g_assert(!(dxc & ~0xff)); +#if !defined(CONFIG_USER_ONLY) + /* Store the DXC into the lowcore */ + stw_phys(cs->as, env->psa + offsetof(LowCore, data_exc_code), dxc); +#endif + + /* Store the DXC into the FPC if AFP is enabled */ + if (env->cregs[0] & CR0_AFP) { + env->fpc =3D (env->fpc & ~0xff00) | (dxc << 8); + } + s390_program_interrupt(env, PGM_DATA, ILEN_AUTO, ra); + + /* the following is not necessary, but allows us to use noreturn */ + cpu_loop_exit_restore(cs, ra); +} + +void HELPER(data_exception)(CPUS390XState *env, uint32_t dxc) +{ + tcg_s390_data_exception(env, dxc, GETPC()); +} + #if defined(CONFIG_USER_ONLY) =20 void s390_cpu_do_interrupt(CPUState *cs) diff --git a/target/s390x/fpu_helper.c b/target/s390x/fpu_helper.c index 5c5b451b3b..1b662d2520 100644 --- a/target/s390x/fpu_helper.c +++ b/target/s390x/fpu_helper.c @@ -21,6 +21,7 @@ #include "qemu/osdep.h" #include "cpu.h" #include "internal.h" +#include "tcg_s390x.h" #include "exec/exec-all.h" #include "exec/cpu_ldst.h" #include "exec/helper-proto.h" @@ -40,14 +41,6 @@ ? (mask / (from / to)) & to \ : (mask & from) * (to / from)) =20 -static void ieee_exception(CPUS390XState *env, uint32_t dxc, uintptr_t ret= addr) -{ - /* Install the DXC code. */ - env->fpc =3D (env->fpc & ~0xff00) | (dxc << 8); - /* Trap. */ - s390_program_interrupt(env, PGM_DATA, ILEN_AUTO, retaddr); -} - /* Should be called after any operation that may raise IEEE exceptions. */ static void handle_exceptions(CPUS390XState *env, uintptr_t retaddr) { @@ -75,7 +68,7 @@ static void handle_exceptions(CPUS390XState *env, uintptr= _t retaddr) /* Send signals for enabled exceptions. */ s390_exc &=3D env->fpc >> 24; if (s390_exc) { - ieee_exception(env, s390_exc, retaddr); + tcg_s390_data_exception(env, s390_exc, retaddr); } } =20 @@ -773,6 +766,6 @@ void HELPER(sfas)(CPUS390XState *env, uint64_t val) is also 1, a simulated-iee-exception trap occurs. */ s390_exc =3D (signalling >> 16) & (source >> 24); if (s390_exc) { - ieee_exception(env, s390_exc | 3, GETPC()); + tcg_s390_data_exception(env, s390_exc | 3, GETPC()); } } diff --git a/target/s390x/helper.h b/target/s390x/helper.h index 97c60ca7bc..018e9dd414 100644 --- a/target/s390x/helper.h +++ b/target/s390x/helper.h @@ -1,4 +1,5 @@ DEF_HELPER_2(exception, noreturn, env, i32) +DEF_HELPER_2(data_exception, noreturn, env, i32) DEF_HELPER_FLAGS_4(nc, TCG_CALL_NO_WG, i32, env, i32, i64, i64) DEF_HELPER_FLAGS_4(oc, TCG_CALL_NO_WG, i32, env, i32, i64, i64) DEF_HELPER_FLAGS_4(xc, TCG_CALL_NO_WG, i32, env, i32, i64, i64) diff --git a/target/s390x/tcg_s390x.h b/target/s390x/tcg_s390x.h index 4e308aa0ce..f2c88d7402 100644 --- a/target/s390x/tcg_s390x.h +++ b/target/s390x/tcg_s390x.h @@ -14,5 +14,7 @@ #define TCG_S390X_H =20 void tcg_s390_tod_updated(CPUState *cs, run_on_cpu_data opaque); +void QEMU_NORETURN tcg_s390_data_exception(CPUS390XState *env, uint32_t dx= c, + uintptr_t ra); =20 #endif /* TCG_S390X_H */ diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 57c03cbf58..fa8468f0e1 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -307,18 +307,17 @@ static inline void gen_illegal_opcode(DisasContext *s) gen_program_exception(s, PGM_OPERATION); } =20 -static inline void gen_trap(DisasContext *s) +static inline void gen_data_exception(uint8_t dxc) { - TCGv_i32 t; - - /* Set DXC to 0xff. */ - t =3D tcg_temp_new_i32(); - tcg_gen_ld_i32(t, cpu_env, offsetof(CPUS390XState, fpc)); - tcg_gen_ori_i32(t, t, 0xff00); - tcg_gen_st_i32(t, cpu_env, offsetof(CPUS390XState, fpc)); - tcg_temp_free_i32(t); + TCGv_i32 tmp =3D tcg_const_i32(dxc); + gen_helper_data_exception(cpu_env, tmp); + tcg_temp_free_i32(tmp); +} =20 - gen_program_exception(s, PGM_DATA); +static inline void gen_trap(DisasContext *s) +{ + /* Set DXC to 0xff */ + gen_data_exception(0xff); } =20 #ifndef CONFIG_USER_ONLY --=20 2.17.1 From nobody Wed Nov 5 12:34:47 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1534925529645602.432366915635; Wed, 22 Aug 2018 01:12:09 -0700 (PDT) Received: from localhost ([::1]:57429 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsOFM-00069V-Gl for importer@patchew.org; Wed, 22 Aug 2018 04:12:08 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35069) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsOAX-0001yE-PJ for qemu-devel@nongnu.org; Wed, 22 Aug 2018 04:07:10 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fsO1e-0000zR-OM for qemu-devel@nongnu.org; Wed, 22 Aug 2018 03:57:59 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:35818 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fsO1e-0000yS-Hk; Wed, 22 Aug 2018 03:57:58 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 41F9940241C3; Wed, 22 Aug 2018 07:57:57 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-232.ams2.redhat.com [10.36.116.232]) by smtp.corp.redhat.com (Postfix) with ESMTP id 078DF10FD2B2; Wed, 22 Aug 2018 07:57:55 +0000 (UTC) From: David Hildenbrand To: qemu-s390x@nongnu.org Date: Wed, 22 Aug 2018 09:57:44 +0200 Message-Id: <20180822075750.12399-3-david@redhat.com> In-Reply-To: <20180822075750.12399-1-david@redhat.com> References: <20180822075750.12399-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Wed, 22 Aug 2018 07:57:57 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Wed, 22 Aug 2018 07:57:57 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'david@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v1 2/8] s390x/tcg: store in the TB flags if AFP is enabled X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , Alexander Graf , qemu-devel@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" We exit the TB when changing the control registers, so just like PSW bits, this should always be consistent for a TB. Using the PSW bit semantic makes things a lot easier compared to manually defining the sapre, shifted bits. Signed-off-by: David Hildenbrand Reviewed-by: Richard Henderson --- target/s390x/cpu.h | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/target/s390x/cpu.h b/target/s390x/cpu.h index 5e50c3a303..8c2320e882 100644 --- a/target/s390x/cpu.h +++ b/target/s390x/cpu.h @@ -255,6 +255,7 @@ extern const struct VMStateDescription vmstate_s390_cpu; =20 /* PSW defines */ #undef PSW_MASK_PER +#undef PSW_MASK_UNUSED_2 #undef PSW_MASK_DAT #undef PSW_MASK_IO #undef PSW_MASK_EXT @@ -273,6 +274,7 @@ extern const struct VMStateDescription vmstate_s390_cpu; #undef PSW_MASK_ESA_ADDR =20 #define PSW_MASK_PER 0x4000000000000000ULL +#define PSW_MASK_UNUSED_2 0x2000000000000000ULL #define PSW_MASK_DAT 0x0400000000000000ULL #define PSW_MASK_IO 0x0200000000000000ULL #define PSW_MASK_EXT 0x0100000000000000ULL @@ -318,6 +320,9 @@ extern const struct VMStateDescription vmstate_s390_cpu; #define FLAG_MASK_PSW (FLAG_MASK_PER | FLAG_MASK_DAT | FLAG_MASK= _PSTATE \ | FLAG_MASK_ASC | FLAG_MASK_64 | FLAG_MASK= _32) =20 +/* we'll use some unused PSW positions to store CR flags in tb flags */ +#define FLAG_MASK_AFP (PSW_MASK_UNUSED_2 >> FLAG_MASK_PSW_SHIFT) + /* Control register 0 bits */ #define CR0_LOWPROT 0x0000000010000000ULL #define CR0_SECONDARY 0x0000000004000000ULL @@ -364,6 +369,9 @@ static inline void cpu_get_tb_cpu_state(CPUS390XState* = env, target_ulong *pc, *pc =3D env->psw.addr; *cs_base =3D env->ex_value; *flags =3D (env->psw.mask >> FLAG_MASK_PSW_SHIFT) & FLAG_MASK_PSW; + if (env->cregs[0] & CR0_AFP) { + *flags |=3D FLAG_MASK_AFP; + } } =20 /* PER bits from control register 9 */ --=20 2.17.1 From nobody Wed Nov 5 12:34:47 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1534925535683231.12576586381238; Wed, 22 Aug 2018 01:12:15 -0700 (PDT) Received: from localhost ([::1]:57427 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsOFJ-00064q-Lw for importer@patchew.org; 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Wed, 22 Aug 2018 07:57:57 +0000 (UTC) From: David Hildenbrand To: qemu-s390x@nongnu.org Date: Wed, 22 Aug 2018 09:57:45 +0200 Message-Id: <20180822075750.12399-4-david@redhat.com> In-Reply-To: <20180822075750.12399-1-david@redhat.com> References: <20180822075750.12399-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Wed, 22 Aug 2018 07:57:58 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.5]); Wed, 22 Aug 2018 07:57:58 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'david@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v1 3/8] s390x/tcg: support flags for instructions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , Alexander Graf , qemu-devel@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Storing flags for instructions allows us to efficiently verify certain properties at a central point. Examples might later be handling if AFP is disabled in CR0, we are not in problem state, or if vector instructions are disabled in CR0. Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 3 +++ target/s390x/translate.c | 22 ++++++++++++++++------ 2 files changed, 19 insertions(+), 6 deletions(-) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 5c6f33ed9c..ff4a6ceaf5 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -3,6 +3,8 @@ * * C(OPC, NAME, FMT, FAC, I1, I2, P, W, OP, CC) * D(OPC, NAME, FMT, FAC, I1, I2, P, W, OP, CC, DATA) + * E(OPC, NAME, FMT, FAC, I1, I2, P, W, OP, CC, DATA, FLAGS) + * F(OPC, NAME, FMT, FAC, I1, I2, P, W, OP, CC, FLAGS) * * OPC =3D (op << 8) | op2 where op is the major, op2 the minor opcode * NAME =3D name of the opcode, used internally @@ -15,6 +17,7 @@ * OP =3D func op_xx does the bulk of the operation * CC =3D func cout_xx defines how cc should get set * DATA =3D immediate argument to op_xx function + * FLAGS =3D categorize the type of instruction (e.g. for advanced checks) * * The helpers get called in order: I1, I2, P, OP, W, CC */ diff --git a/target/s390x/translate.c b/target/s390x/translate.c index fa8468f0e1..e9cbeb2a1b 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -1114,6 +1114,7 @@ typedef struct { =20 struct DisasInsn { unsigned opc:16; + unsigned flags:16; DisasFormat fmt:8; unsigned fac:8; unsigned spec:8; @@ -5796,17 +5797,24 @@ static void in2_insn(DisasContext *s, DisasFields *= f, DisasOps *o) search tree, rather than us having to post-process the table. */ =20 #define C(OPC, NM, FT, FC, I1, I2, P, W, OP, CC) \ - D(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, 0) + E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, 0, 0) =20 -#define D(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D) insn_ ## NM, +#define D(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D) \ + E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D, 0) + +#define F(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, FL) \ + E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, 0, FL) + +#define E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D, FL) insn_ ## NM, =20 enum DisasInsnEnum { #include "insn-data.def" }; =20 -#undef D -#define D(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D) { = \ +#undef E +#define E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D, FL) { = \ .opc =3D OPC, = \ + .flags =3D FL, = \ .fmt =3D FMT_##FT, = \ .fac =3D FAC_##FC, = \ .spec =3D SPEC_in1_##I1 | SPEC_in2_##I2 | SPEC_prep_##P | SPEC_wout_##= W, \ @@ -5877,8 +5885,8 @@ static const DisasInsn insn_info[] =3D { #include "insn-data.def" }; =20 -#undef D -#define D(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D) \ +#undef E +#define E(OPC, NM, FT, FC, I1, I2, P, W, OP, CC, D, FL) \ case OPC: return &insn_info[insn_ ## NM]; =20 static const DisasInsn *lookup_opc(uint16_t opc) @@ -5890,6 +5898,8 @@ static const DisasInsn *lookup_opc(uint16_t opc) } } =20 +#undef F +#undef E #undef D #undef C =20 --=20 2.17.1 From nobody Wed Nov 5 12:34:47 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1534925703016627.8350783195667; 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charset="utf-8" These flags allow us to later on detect if a DATA program interrupt is to be injected, and which DXC (1,2,3) is to be used. Interestingly, some support FP instructions are considered as HFP instructions (I assume simply because they were available very early). Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 254 ++++++++++++++++++------------------- target/s390x/translate.c | 8 ++ 2 files changed, 135 insertions(+), 127 deletions(-) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index ff4a6ceaf5..506c3de1d7 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -32,11 +32,11 @@ C(0xb9e8, AGRK, RRF_a, DO, r2, r3, r1, 0, add, adds64) C(0xe308, AG, RXY_a, Z, r1, m2_64, r1, 0, add, adds64) C(0xe318, AGF, RXY_a, Z, r1, m2_32s, r1, 0, add, adds64) - C(0xb30a, AEBR, RRE, Z, e1, e2, new, e1, aeb, f32) - C(0xb31a, ADBR, RRE, Z, f1_o, f2_o, f1, 0, adb, f64) - C(0xb34a, AXBR, RRE, Z, 0, x2_o, x1, 0, axb, f128) - C(0xed0a, AEB, RXE, Z, e1, m2_32u, new, e1, aeb, f32) - C(0xed1a, ADB, RXE, Z, f1_o, m2_64, f1, 0, adb, f64) + F(0xb30a, AEBR, RRE, Z, e1, e2, new, e1, aeb, f32, IF_BFP) + F(0xb31a, ADBR, RRE, Z, f1_o, f2_o, f1, 0, adb, f64, IF_BFP) + F(0xb34a, AXBR, RRE, Z, 0, x2_o, x1, 0, axb, f128, IF_BFP) + F(0xed0a, AEB, RXE, Z, e1, m2_32u, new, e1, aeb, f32, IF_BFP) + F(0xed1a, ADB, RXE, Z, f1_o, m2_64, f1, 0, adb, f64, IF_BFP) /* ADD HIGH */ C(0xb9c8, AHHHR, RRF_a, HW, r2_sr32, r3_sr32, new, r1_32h, add, add= s32) C(0xb9d8, AHHLR, RRF_a, HW, r2_sr32, r3, new, r1_32h, add, adds32) @@ -151,7 +151,7 @@ C(0xb241, CKSM, RRE, Z, r1_o, ra2, new, r1_32, cksm, 0) =20 /* COPY SIGN */ - C(0xb372, CPSDR, RRF_b, FPSSH, f3_o, f2_o, f1, 0, cps, 0) + F(0xb372, CPSDR, RRF_b, FPSSH, f3_o, f2_o, f1, 0, cps, 0, IF_HFP1 | = IF_HFP2 | IF_HFP3) =20 /* COMPARE */ C(0x1900, CR, RR_a, Z, r1_o, r2_o, 0, 0, 0, cmps32) @@ -161,17 +161,17 @@ C(0xb930, CGFR, RRE, Z, r1_o, r2_32s, 0, 0, 0, cmps64) C(0xe320, CG, RXY_a, Z, r1_o, m2_64, 0, 0, 0, cmps64) C(0xe330, CGF, RXY_a, Z, r1_o, m2_32s, 0, 0, 0, cmps64) - C(0xb309, CEBR, RRE, Z, e1, e2, 0, 0, ceb, 0) - C(0xb319, CDBR, RRE, Z, f1_o, f2_o, 0, 0, cdb, 0) - C(0xb349, CXBR, RRE, Z, x1_o, x2_o, 0, 0, cxb, 0) - C(0xed09, CEB, RXE, Z, e1, m2_32u, 0, 0, ceb, 0) - C(0xed19, CDB, RXE, Z, f1_o, m2_64, 0, 0, cdb, 0) + F(0xb309, CEBR, RRE, Z, e1, e2, 0, 0, ceb, 0, IF_BFP) + F(0xb319, CDBR, RRE, Z, f1_o, f2_o, 0, 0, cdb, 0, IF_BFP) + F(0xb349, CXBR, RRE, Z, x1_o, x2_o, 0, 0, cxb, 0, IF_BFP) + F(0xed09, CEB, RXE, Z, e1, m2_32u, 0, 0, ceb, 0, IF_BFP) + F(0xed19, CDB, RXE, Z, f1_o, m2_64, 0, 0, cdb, 0, IF_BFP) /* COMPARE AND SIGNAL */ - C(0xb308, KEBR, RRE, Z, e1, e2, 0, 0, keb, 0) - C(0xb318, KDBR, RRE, Z, f1_o, f2_o, 0, 0, kdb, 0) - C(0xb348, KXBR, RRE, Z, x1_o, x2_o, 0, 0, kxb, 0) - C(0xed08, KEB, RXE, Z, e1, m2_32u, 0, 0, keb, 0) - C(0xed18, KDB, RXE, Z, f1_o, m2_64, 0, 0, kdb, 0) + F(0xb308, KEBR, RRE, Z, e1, e2, 0, 0, keb, 0, IF_BFP) + F(0xb318, KDBR, RRE, Z, f1_o, f2_o, 0, 0, kdb, 0, IF_BFP) + F(0xb348, KXBR, RRE, Z, x1_o, x2_o, 0, 0, kxb, 0, IF_BFP) + F(0xed08, KEB, RXE, Z, e1, m2_32u, 0, 0, keb, 0, IF_BFP) + F(0xed18, KDB, RXE, Z, f1_o, m2_64, 0, 0, kdb, 0, IF_BFP) /* COMPARE IMMEDIATE */ C(0xc20d, CFI, RIL_a, EI, r1, i2, 0, 0, 0, cmps32) C(0xc20c, CGFI, RIL_a, EI, r1, i2, 0, 0, 0, cmps64) @@ -288,33 +288,33 @@ C(0x4e00, CVD, RX_a, Z, r1_o, a2, 0, 0, cvd, 0) C(0xe326, CVDY, RXY_a, LD, r1_o, a2, 0, 0, cvd, 0) /* CONVERT TO FIXED */ - C(0xb398, CFEBR, RRF_e, Z, 0, e2, new, r1_32, cfeb, 0) - C(0xb399, CFDBR, RRF_e, Z, 0, f2_o, new, r1_32, cfdb, 0) - C(0xb39a, CFXBR, RRF_e, Z, 0, x2_o, new, r1_32, cfxb, 0) - C(0xb3a8, CGEBR, RRF_e, Z, 0, e2, r1, 0, cgeb, 0) - C(0xb3a9, CGDBR, RRF_e, Z, 0, f2_o, r1, 0, cgdb, 0) - C(0xb3aa, CGXBR, RRF_e, Z, 0, x2_o, r1, 0, cgxb, 0) + F(0xb398, CFEBR, RRF_e, Z, 0, e2, new, r1_32, cfeb, 0, IF_BFP) + F(0xb399, CFDBR, RRF_e, Z, 0, f2_o, new, r1_32, cfdb, 0, IF_BFP) + F(0xb39a, CFXBR, RRF_e, Z, 0, x2_o, new, r1_32, cfxb, 0, IF_BFP) + F(0xb3a8, CGEBR, RRF_e, Z, 0, e2, r1, 0, cgeb, 0, IF_BFP) + F(0xb3a9, CGDBR, RRF_e, Z, 0, f2_o, r1, 0, cgdb, 0, IF_BFP) + F(0xb3aa, CGXBR, RRF_e, Z, 0, x2_o, r1, 0, cgxb, 0, IF_BFP) /* CONVERT FROM FIXED */ - C(0xb394, CEFBR, RRF_e, Z, 0, r2_32s, new, e1, cegb, 0) - C(0xb395, CDFBR, RRF_e, Z, 0, r2_32s, f1, 0, cdgb, 0) - C(0xb396, CXFBR, RRF_e, Z, 0, r2_32s, x1, 0, cxgb, 0) - C(0xb3a4, CEGBR, RRF_e, Z, 0, r2_o, new, e1, cegb, 0) - C(0xb3a5, CDGBR, RRF_e, Z, 0, r2_o, f1, 0, cdgb, 0) - C(0xb3a6, CXGBR, RRF_e, Z, 0, r2_o, x1, 0, cxgb, 0) + F(0xb394, CEFBR, RRF_e, Z, 0, r2_32s, new, e1, cegb, 0, IF_BFP) + F(0xb395, CDFBR, RRF_e, Z, 0, r2_32s, f1, 0, cdgb, 0, IF_BFP) + F(0xb396, CXFBR, RRF_e, Z, 0, r2_32s, x1, 0, cxgb, 0, IF_BFP) + F(0xb3a4, CEGBR, RRF_e, Z, 0, r2_o, new, e1, cegb, 0, IF_BFP) + F(0xb3a5, CDGBR, RRF_e, Z, 0, r2_o, f1, 0, cdgb, 0, IF_BFP) + F(0xb3a6, CXGBR, RRF_e, Z, 0, r2_o, x1, 0, cxgb, 0, IF_BFP) /* CONVERT TO LOGICAL */ - C(0xb39c, CLFEBR, RRF_e, FPE, 0, e2, new, r1_32, clfeb, 0) - C(0xb39d, CLFDBR, RRF_e, FPE, 0, f2_o, new, r1_32, clfdb, 0) - C(0xb39e, CLFXBR, RRF_e, FPE, 0, x2_o, new, r1_32, clfxb, 0) - C(0xb3ac, CLGEBR, RRF_e, FPE, 0, e2, r1, 0, clgeb, 0) - C(0xb3ad, CLGDBR, RRF_e, FPE, 0, f2_o, r1, 0, clgdb, 0) - C(0xb3ae, CLGXBR, RRF_e, FPE, 0, x2_o, r1, 0, clgxb, 0) + F(0xb39c, CLFEBR, RRF_e, FPE, 0, e2, new, r1_32, clfeb, 0, IF_BFP) + F(0xb39d, CLFDBR, RRF_e, FPE, 0, f2_o, new, r1_32, clfdb, 0, IF_BFP) + F(0xb39e, CLFXBR, RRF_e, FPE, 0, x2_o, new, r1_32, clfxb, 0, IF_BFP) + F(0xb3ac, CLGEBR, RRF_e, FPE, 0, e2, r1, 0, clgeb, 0, IF_BFP) + F(0xb3ad, CLGDBR, RRF_e, FPE, 0, f2_o, r1, 0, clgdb, 0, IF_BFP) + F(0xb3ae, CLGXBR, RRF_e, FPE, 0, x2_o, r1, 0, clgxb, 0, IF_BFP) /* CONVERT FROM LOGICAL */ - C(0xb390, CELFBR, RRF_e, FPE, 0, r2_32u, new, e1, celgb, 0) - C(0xb391, CDLFBR, RRF_e, FPE, 0, r2_32u, f1, 0, cdlgb, 0) - C(0xb392, CXLFBR, RRF_e, FPE, 0, r2_32u, x1, 0, cxlgb, 0) - C(0xb3a0, CELGBR, RRF_e, FPE, 0, r2_o, new, e1, celgb, 0) - C(0xb3a1, CDLGBR, RRF_e, FPE, 0, r2_o, f1, 0, cdlgb, 0) - C(0xb3a2, CXLGBR, RRF_e, FPE, 0, r2_o, x1, 0, cxlgb, 0) + F(0xb390, CELFBR, RRF_e, FPE, 0, r2_32u, new, e1, celgb, 0, IF_BFP) + F(0xb391, CDLFBR, RRF_e, FPE, 0, r2_32u, f1, 0, cdlgb, 0, IF_BFP) + F(0xb392, CXLFBR, RRF_e, FPE, 0, r2_32u, x1, 0, cxlgb, 0, IF_BFP) + F(0xb3a0, CELGBR, RRF_e, FPE, 0, r2_o, new, e1, celgb, 0, IF_BFP) + F(0xb3a1, CDLGBR, RRF_e, FPE, 0, r2_o, f1, 0, cdlgb, 0, IF_BFP) + F(0xb3a2, CXLGBR, RRF_e, FPE, 0, r2_o, x1, 0, cxlgb, 0, IF_BFP) =20 /* CONVERT UTF-8 TO UTF-16 */ D(0xb2a7, CU12, RRF_c, Z, 0, 0, 0, 0, cuXX, 0, 12) @@ -332,11 +332,11 @@ /* DIVIDE */ C(0x1d00, DR, RR_a, Z, r1_D32, r2_32s, new_P, r1_P32, divs32, = 0) C(0x5d00, D, RX_a, Z, r1_D32, m2_32s, new_P, r1_P32, divs32, = 0) - C(0xb30d, DEBR, RRE, Z, e1, e2, new, e1, deb, 0) - C(0xb31d, DDBR, RRE, Z, f1_o, f2_o, f1, 0, ddb, 0) - C(0xb34d, DXBR, RRE, Z, 0, x2_o, x1, 0, dxb, 0) - C(0xed0d, DEB, RXE, Z, e1, m2_32u, new, e1, deb, 0) - C(0xed1d, DDB, RXE, Z, f1_o, m2_64, f1, 0, ddb, 0) + F(0xb30d, DEBR, RRE, Z, e1, e2, new, e1, deb, 0, IF_BFP) + F(0xb31d, DDBR, RRE, Z, f1_o, f2_o, f1, 0, ddb, 0, IF_BFP) + F(0xb34d, DXBR, RRE, Z, 0, x2_o, x1, 0, dxb, 0, IF_BFP) + F(0xed0d, DEB, RXE, Z, e1, m2_32u, new, e1, deb, 0, IF_BFP) + F(0xed1d, DDB, RXE, Z, f1_o, m2_64, f1, 0, ddb, 0, IF_BFP) /* DIVIDE LOGICAL */ C(0xb997, DLR, RRE, Z, r1_D32, r2_32u, new_P, r1_P32, divu32, = 0) C(0xe397, DL, RXY_a, Z, r1_D32, m2_32u, new_P, r1_P32, divu32, = 0) @@ -375,7 +375,7 @@ /* EXTRACT CPU TIME */ C(0xc801, ECTG, SSF, ECT, 0, 0, 0, 0, ectg, 0) /* EXTRACT FPC */ - C(0xb38c, EFPC, RRE, Z, 0, 0, new, r1_32, efpc, 0) + F(0xb38c, EFPC, RRE, Z, 0, 0, new, r1_32, efpc, 0, IF_BFP) /* EXTRACT PSW */ C(0xb98d, EPSW, RRE, Z, 0, 0, 0, 0, epsw, 0) =20 @@ -407,13 +407,13 @@ C(0xb914, LGFR, RRE, Z, 0, r2_32s, 0, r1, mov2, 0) C(0xe304, LG, RXY_a, Z, 0, a2, r1, 0, ld64, 0) C(0xe314, LGF, RXY_a, Z, 0, a2, r1, 0, ld32s, 0) - C(0x2800, LDR, RR_a, Z, 0, f2_o, 0, f1, mov2, 0) - C(0x6800, LD, RX_a, Z, 0, m2_64, 0, f1, mov2, 0) - C(0xed65, LDY, RXY_a, LD, 0, m2_64, 0, f1, mov2, 0) - C(0x3800, LER, RR_a, Z, 0, e2, 0, cond_e1e2, mov2, 0) - C(0x7800, LE, RX_a, Z, 0, m2_32u, 0, e1, mov2, 0) - C(0xed64, LEY, RXY_a, LD, 0, m2_32u, 0, e1, mov2, 0) - C(0xb365, LXR, RRE, Z, 0, x2_o, 0, x1, movx, 0) + F(0x2800, LDR, RR_a, Z, 0, f2_o, 0, f1, mov2, 0, IF_HFP1 | IF_H= FP2) + F(0x6800, LD, RX_a, Z, 0, m2_64, 0, f1, mov2, 0, IF_HFP1) + F(0xed65, LDY, RXY_a, LD, 0, m2_64, 0, f1, mov2, 0, IF_HFP1) + F(0x3800, LER, RR_a, Z, 0, e2, 0, cond_e1e2, mov2, 0, IF_HFP1 |= IF_HFP2) + F(0x7800, LE, RX_a, Z, 0, m2_32u, 0, e1, mov2, 0, IF_HFP1) + F(0xed64, LEY, RXY_a, LD, 0, m2_32u, 0, e1, mov2, 0, IF_HFP1) + F(0xb365, LXR, RRE, Z, 0, x2_o, 0, x1, movx, 0, IF_HFP1) /* LOAD IMMEDIATE */ C(0xc001, LGFI, RIL_a, EI, 0, i2, 0, r1, mov2, 0) /* LOAD RELATIVE LONG */ @@ -450,9 +450,9 @@ C(0xe312, LT, RXY_a, EI, 0, a2, new, r1_32, ld32s, s64) C(0xe302, LTG, RXY_a, EI, 0, a2, r1, 0, ld64, s64) C(0xe332, LTGF, RXY_a, GIE, 0, a2, r1, 0, ld32s, s64) - C(0xb302, LTEBR, RRE, Z, 0, e2, 0, cond_e1e2, mov2, f32) - C(0xb312, LTDBR, RRE, Z, 0, f2_o, 0, f1, mov2, f64) - C(0xb342, LTXBR, RRE, Z, 0, x2_o, 0, x1, movx, f128) + F(0xb302, LTEBR, RRE, Z, 0, e2, 0, cond_e1e2, mov2, f32, IF_BFP) + F(0xb312, LTDBR, RRE, Z, 0, f2_o, 0, f1, mov2, f64, IF_BFP) + F(0xb342, LTXBR, RRE, Z, 0, x2_o, 0, x1, movx, f128, IF_BFP) /* LOAD AND TRAP */ C(0xe39f, LAT, RXY_a, LAT, 0, m2_32u, r1, 0, lat, 0) C(0xe385, LGAT, RXY_a, LAT, 0, a2, r1, 0, lgat, 0) @@ -472,10 +472,10 @@ C(0x1300, LCR, RR_a, Z, 0, r2, new, r1_32, neg, neg32) C(0xb903, LCGR, RRE, Z, 0, r2, r1, 0, neg, neg64) C(0xb913, LCGFR, RRE, Z, 0, r2_32s, r1, 0, neg, neg64) - C(0xb303, LCEBR, RRE, Z, 0, e2, new, e1, negf32, f32) - C(0xb313, LCDBR, RRE, Z, 0, f2_o, f1, 0, negf64, f64) - C(0xb343, LCXBR, RRE, Z, 0, x2_o, x1, 0, negf128, f128) - C(0xb373, LCDFR, RRE, FPSSH, 0, f2_o, f1, 0, negf64, 0) + F(0xb303, LCEBR, RRE, Z, 0, e2, new, e1, negf32, f32, IF_BFP) + F(0xb313, LCDBR, RRE, Z, 0, f2_o, f1, 0, negf64, f64, IF_BFP) + F(0xb343, LCXBR, RRE, Z, 0, x2_o, x1, 0, negf128, f128, IF_BFP) + F(0xb373, LCDFR, RRE, FPSSH, 0, f2_o, f1, 0, negf64, 0, IF_HFP1 | = IF_HFP2) /* LOAD HALFWORD */ C(0xb927, LHR, RRE, EI, 0, r2_16s, 0, r1_32, mov2, 0) C(0xb907, LGHR, RRE, EI, 0, r2_16s, 0, r1, mov2, 0) @@ -532,17 +532,17 @@ C(0xe39c, LLGTAT, RXY_a, LAT, 0, m2_32u, r1, 0, llgtat, 0) =20 /* LOAD FPR FROM GR */ - C(0xb3c1, LDGR, RRE, FPRGR, 0, r2_o, 0, f1, mov2, 0) + F(0xb3c1, LDGR, RRE, FPRGR, 0, r2_o, 0, f1, mov2, 0, IF_HFP1) /* LOAD GR FROM FPR */ - C(0xb3cd, LGDR, RRE, FPRGR, 0, f2_o, 0, r1, mov2, 0) + F(0xb3cd, LGDR, RRE, FPRGR, 0, f2_o, 0, r1, mov2, 0, IF_HFP2) /* LOAD NEGATIVE */ C(0x1100, LNR, RR_a, Z, 0, r2_32s, new, r1_32, nabs, nabs32) C(0xb901, LNGR, RRE, Z, 0, r2, r1, 0, nabs, nabs64) C(0xb911, LNGFR, RRE, Z, 0, r2_32s, r1, 0, nabs, nabs64) - C(0xb301, LNEBR, RRE, Z, 0, e2, new, e1, nabsf32, f32) - C(0xb311, LNDBR, RRE, Z, 0, f2_o, f1, 0, nabsf64, f64) - C(0xb341, LNXBR, RRE, Z, 0, x2_o, x1, 0, nabsf128, f128) - C(0xb371, LNDFR, RRE, FPSSH, 0, f2_o, f1, 0, nabsf64, 0) + F(0xb301, LNEBR, RRE, Z, 0, e2, new, e1, nabsf32, f32, IF_BFP) + F(0xb311, LNDBR, RRE, Z, 0, f2_o, f1, 0, nabsf64, f64, IF_BFP) + F(0xb341, LNXBR, RRE, Z, 0, x2_o, x1, 0, nabsf128, f128, IF_BFP) + F(0xb371, LNDFR, RRE, FPSSH, 0, f2_o, f1, 0, nabsf64, 0, IF_HFP1 |= IF_HFP2) /* LOAD ON CONDITION */ C(0xb9f2, LOCR, RRF_c, LOC, r1, r2, new, r1_32, loc, 0) C(0xb9e2, LOCGR, RRF_c, LOC, r1, r2, r1, 0, loc, 0) @@ -564,10 +564,10 @@ C(0x1000, LPR, RR_a, Z, 0, r2_32s, new, r1_32, abs, abs32) C(0xb900, LPGR, RRE, Z, 0, r2, r1, 0, abs, abs64) C(0xb910, LPGFR, RRE, Z, 0, r2_32s, r1, 0, abs, abs64) - C(0xb300, LPEBR, RRE, Z, 0, e2, new, e1, absf32, f32) - C(0xb310, LPDBR, RRE, Z, 0, f2_o, f1, 0, absf64, f64) - C(0xb340, LPXBR, RRE, Z, 0, x2_o, x1, 0, absf128, f128) - C(0xb370, LPDFR, RRE, FPSSH, 0, f2_o, f1, 0, absf64, 0) + F(0xb300, LPEBR, RRE, Z, 0, e2, new, e1, absf32, f32, IF_BFP) + F(0xb310, LPDBR, RRE, Z, 0, f2_o, f1, 0, absf64, f64, IF_BFP) + F(0xb340, LPXBR, RRE, Z, 0, x2_o, x1, 0, absf128, f128, IF_BFP) + F(0xb370, LPDFR, RRE, FPSSH, 0, f2_o, f1, 0, absf64, 0, IF_HFP1 | = IF_HFP2) /* LOAD REVERSED */ C(0xb91f, LRVR, RRE, Z, 0, r2_32u, new, r1_32, rev32, 0) C(0xb90f, LRVGR, RRE, Z, 0, r2_o, r1, 0, rev64, 0) @@ -575,30 +575,30 @@ C(0xe31e, LRV, RXY_a, Z, 0, m2_32u, new, r1_32, rev32, 0) C(0xe30f, LRVG, RXY_a, Z, 0, m2_64, r1, 0, rev64, 0) /* LOAD ZERO */ - C(0xb374, LZER, RRE, Z, 0, 0, 0, e1, zero, 0) - C(0xb375, LZDR, RRE, Z, 0, 0, 0, f1, zero, 0) - C(0xb376, LZXR, RRE, Z, 0, 0, 0, x1, zero2, 0) + F(0xb374, LZER, RRE, Z, 0, 0, 0, e1, zero, 0, IF_HFP1) + F(0xb375, LZDR, RRE, Z, 0, 0, 0, f1, zero, 0, IF_HFP1) + F(0xb376, LZXR, RRE, Z, 0, 0, 0, x1, zero2, 0, IF_HFP1) =20 /* LOAD FPC */ - C(0xb29d, LFPC, S, Z, 0, m2_32u, 0, 0, sfpc, 0) + F(0xb29d, LFPC, S, Z, 0, m2_32u, 0, 0, sfpc, 0, IF_BFP) /* LOAD FPC AND SIGNAL */ - C(0xb2bd, LFAS, S, IEEEE_SIM, 0, m2_32u, 0, 0, sfas, 0) + F(0xb2bd, LFAS, S, IEEEE_SIM, 0, m2_32u, 0, 0, sfas, 0, IF_DFP) /* LOAD FP INTEGER */ - C(0xb357, FIEBR, RRF_e, Z, 0, e2, new, e1, fieb, 0) - C(0xb35f, FIDBR, RRF_e, Z, 0, f2_o, f1, 0, fidb, 0) - C(0xb347, FIXBR, RRF_e, Z, 0, x2_o, x1, 0, fixb, 0) + F(0xb357, FIEBR, RRF_e, Z, 0, e2, new, e1, fieb, 0, IF_BFP) + F(0xb35f, FIDBR, RRF_e, Z, 0, f2_o, f1, 0, fidb, 0, IF_BFP) + F(0xb347, FIXBR, RRF_e, Z, 0, x2_o, x1, 0, fixb, 0, IF_BFP) =20 /* LOAD LENGTHENED */ - C(0xb304, LDEBR, RRE, Z, 0, e2, f1, 0, ldeb, 0) - C(0xb305, LXDBR, RRE, Z, 0, f2_o, x1, 0, lxdb, 0) - C(0xb306, LXEBR, RRE, Z, 0, e2, x1, 0, lxeb, 0) - C(0xed04, LDEB, RXE, Z, 0, m2_32u, f1, 0, ldeb, 0) - C(0xed05, LXDB, RXE, Z, 0, m2_64, x1, 0, lxdb, 0) - C(0xed06, LXEB, RXE, Z, 0, m2_32u, x1, 0, lxeb, 0) + F(0xb304, LDEBR, RRE, Z, 0, e2, f1, 0, ldeb, 0, IF_BFP) + F(0xb305, LXDBR, RRE, Z, 0, f2_o, x1, 0, lxdb, 0, IF_BFP) + F(0xb306, LXEBR, RRE, Z, 0, e2, x1, 0, lxeb, 0, IF_BFP) + F(0xed04, LDEB, RXE, Z, 0, m2_32u, f1, 0, ldeb, 0, IF_BFP) + F(0xed05, LXDB, RXE, Z, 0, m2_64, x1, 0, lxdb, 0, IF_BFP) + F(0xed06, LXEB, RXE, Z, 0, m2_32u, x1, 0, lxeb, 0, IF_BFP) /* LOAD ROUNDED */ - C(0xb344, LEDBR, RRE, Z, 0, f2_o, new, e1, ledb, 0) - C(0xb345, LDXBR, RRE, Z, 0, x2_o, f1, 0, ldxb, 0) - C(0xb346, LEXBR, RRE, Z, 0, x2_o, new, e1, lexb, 0) + F(0xb344, LEDBR, RRE, Z, 0, f2_o, new, e1, ledb, 0, IF_BFP) + F(0xb345, LDXBR, RRE, Z, 0, x2_o, f1, 0, ldxb, 0, IF_BFP) + F(0xb346, LEXBR, RRE, Z, 0, x2_o, new, e1, lexb, 0, IF_BFP) =20 /* LOAD MULTIPLE */ C(0x9800, LM, RS_a, Z, 0, a2, 0, 0, lm32, 0) @@ -644,15 +644,15 @@ C(0x1c00, MR, RR_a, Z, r1p1_32s, r2_32s, new, r1_D32, mul, 0) C(0x5c00, M, RX_a, Z, r1p1_32s, m2_32s, new, r1_D32, mul, 0) C(0xe35c, MFY, RXY_a, GIE, r1p1_32s, m2_32s, new, r1_D32, mul, 0) - C(0xb317, MEEBR, RRE, Z, e1, e2, new, e1, meeb, 0) - C(0xb31c, MDBR, RRE, Z, f1_o, f2_o, f1, 0, mdb, 0) - C(0xb34c, MXBR, RRE, Z, 0, x2_o, x1, 0, mxb, 0) - C(0xb30c, MDEBR, RRE, Z, f1_o, e2, f1, 0, mdeb, 0) - C(0xb307, MXDBR, RRE, Z, 0, f2_o, x1, 0, mxdb, 0) - C(0xed17, MEEB, RXE, Z, e1, m2_32u, new, e1, meeb, 0) - C(0xed1c, MDB, RXE, Z, f1_o, m2_64, f1, 0, mdb, 0) - C(0xed0c, MDEB, RXE, Z, f1_o, m2_32u, f1, 0, mdeb, 0) - C(0xed07, MXDB, RXE, Z, 0, m2_64, x1, 0, mxdb, 0) + F(0xb317, MEEBR, RRE, Z, e1, e2, new, e1, meeb, 0, IF_BFP) + F(0xb31c, MDBR, RRE, Z, f1_o, f2_o, f1, 0, mdb, 0, IF_BFP) + F(0xb34c, MXBR, RRE, Z, 0, x2_o, x1, 0, mxb, 0, IF_BFP) + F(0xb30c, MDEBR, RRE, Z, f1_o, e2, f1, 0, mdeb, 0, IF_BFP) + F(0xb307, MXDBR, RRE, Z, 0, f2_o, x1, 0, mxdb, 0, IF_BFP) + F(0xed17, MEEB, RXE, Z, e1, m2_32u, new, e1, meeb, 0, IF_BFP) + F(0xed1c, MDB, RXE, Z, f1_o, m2_64, f1, 0, mdb, 0, IF_BFP) + F(0xed0c, MDEB, RXE, Z, f1_o, m2_32u, f1, 0, mdeb, 0, IF_BFP) + F(0xed07, MXDB, RXE, Z, 0, m2_64, x1, 0, mxdb, 0, IF_BFP) /* MULTIPLY HALFWORD */ C(0x4c00, MH, RX_a, Z, r1_o, m2_16s, new, r1_32, mul, 0) C(0xe37c, MHY, RXY_a, GIE, r1_o, m2_16s, new, r1_32, mul, 0) @@ -677,15 +677,15 @@ C(0xc200, MSGFI, RIL_a, GIE, r1_o, i2, r1, 0, mul, 0) =20 /* MULTIPLY AND ADD */ - C(0xb30e, MAEBR, RRD, Z, e1, e2, new, e1, maeb, 0) - C(0xb31e, MADBR, RRD, Z, f1_o, f2_o, f1, 0, madb, 0) - C(0xed0e, MAEB, RXF, Z, e1, m2_32u, new, e1, maeb, 0) - C(0xed1e, MADB, RXF, Z, f1_o, m2_64, f1, 0, madb, 0) + F(0xb30e, MAEBR, RRD, Z, e1, e2, new, e1, maeb, 0, IF_BFP) + F(0xb31e, MADBR, RRD, Z, f1_o, f2_o, f1, 0, madb, 0, IF_BFP) + F(0xed0e, MAEB, RXF, Z, e1, m2_32u, new, e1, maeb, 0, IF_BFP) + F(0xed1e, MADB, RXF, Z, f1_o, m2_64, f1, 0, madb, 0, IF_BFP) /* MULTIPLY AND SUBTRACT */ - C(0xb30f, MSEBR, RRD, Z, e1, e2, new, e1, mseb, 0) - C(0xb31f, MSDBR, RRD, Z, f1_o, f2_o, f1, 0, msdb, 0) - C(0xed0f, MSEB, RXF, Z, e1, m2_32u, new, e1, mseb, 0) - C(0xed1f, MSDB, RXF, Z, f1_o, m2_64, f1, 0, msdb, 0) + F(0xb30f, MSEBR, RRD, Z, e1, e2, new, e1, mseb, 0, IF_BFP) + F(0xb31f, MSDBR, RRD, Z, f1_o, f2_o, f1, 0, msdb, 0, IF_BFP) + F(0xed0f, MSEB, RXF, Z, e1, m2_32u, new, e1, mseb, 0, IF_BFP) + F(0xed1f, MSDB, RXF, Z, f1_o, m2_64, f1, 0, msdb, 0, IF_BFP) =20 /* OR */ C(0x1600, OR, RR_a, Z, r1, r2, new, r1_32, or, nz32) @@ -752,14 +752,14 @@ D(0x010d, SAM31, E, Z, 0, 0, 0, 0, sam, 0, 1) D(0x010e, SAM64, E, Z, 0, 0, 0, 0, sam, 0, 3) /* SET FPC */ - C(0xb384, SFPC, RRE, Z, 0, r1_o, 0, 0, sfpc, 0) + F(0xb384, SFPC, RRE, Z, 0, r1_o, 0, 0, sfpc, 0, IF_BFP) /* SET FPC AND SIGNAL */ - C(0xb385, SFASR, RRE, IEEEE_SIM, 0, r1_o, 0, 0, sfas, 0) + F(0xb385, SFASR, RRE, IEEEE_SIM, 0, r1_o, 0, 0, sfas, 0, IF_DFP) /* SET BFP ROUNDING MODE */ - C(0xb299, SRNM, S, Z, 0, 0, 0, 0, srnm, 0) - C(0xb2b8, SRNMB, S, FPE, 0, 0, 0, 0, srnm, 0) + F(0xb299, SRNM, S, Z, 0, 0, 0, 0, srnm, 0, IF_BFP) + F(0xb2b8, SRNMB, S, FPE, 0, 0, 0, 0, srnm, 0, IF_BFP) /* SET DFP ROUNDING MODE */ - C(0xb2b9, SRNMT, S, DFPR, 0, 0, 0, 0, srnm, 0) + F(0xb2b9, SRNMT, S, DFPR, 0, 0, 0, 0, srnm, 0, IF_DFP) /* SET PROGRAM MASK */ C(0x0400, SPM, RR_a, Z, r1, 0, 0, 0, spm, 0) =20 @@ -789,20 +789,20 @@ C(0x8c00, SRDL, RS_a, Z, r1_D32, sh64, new, r1_D32, srl, 0) =20 /* SQUARE ROOT */ - C(0xb314, SQEBR, RRE, Z, 0, e2, new, e1, sqeb, 0) - C(0xb315, SQDBR, RRE, Z, 0, f2_o, f1, 0, sqdb, 0) - C(0xb316, SQXBR, RRE, Z, 0, x2_o, x1, 0, sqxb, 0) - C(0xed14, SQEB, RXE, Z, 0, m2_32u, new, e1, sqeb, 0) - C(0xed15, SQDB, RXE, Z, 0, m2_64, f1, 0, sqdb, 0) + F(0xb314, SQEBR, RRE, Z, 0, e2, new, e1, sqeb, 0, IF_BFP) + F(0xb315, SQDBR, RRE, Z, 0, f2_o, f1, 0, sqdb, 0, IF_BFP) + F(0xb316, SQXBR, RRE, Z, 0, x2_o, x1, 0, sqxb, 0, IF_BFP) + F(0xed14, SQEB, RXE, Z, 0, m2_32u, new, e1, sqeb, 0, IF_BFP) + F(0xed15, SQDB, RXE, Z, 0, m2_64, f1, 0, sqdb, 0, IF_BFP) =20 /* STORE */ C(0x5000, ST, RX_a, Z, r1_o, a2, 0, 0, st32, 0) C(0xe350, STY, RXY_a, LD, r1_o, a2, 0, 0, st32, 0) C(0xe324, STG, RXY_a, Z, r1_o, a2, 0, 0, st64, 0) - C(0x6000, STD, RX_a, Z, f1_o, a2, 0, 0, st64, 0) - C(0xed67, STDY, RXY_a, LD, f1_o, a2, 0, 0, st64, 0) - C(0x7000, STE, RX_a, Z, e1, a2, 0, 0, st32, 0) - C(0xed66, STEY, RXY_a, LD, e1, a2, 0, 0, st32, 0) + F(0x6000, STD, RX_a, Z, f1_o, a2, 0, 0, st64, 0, IF_HFP1) + F(0xed67, STDY, RXY_a, LD, f1_o, a2, 0, 0, st64, 0, IF_HFP1) + F(0x7000, STE, RX_a, Z, e1, a2, 0, 0, st32, 0, IF_HFP1) + F(0xed66, STEY, RXY_a, LD, e1, a2, 0, 0, st32, 0, IF_HFP1) /* STORE RELATIVE LONG */ C(0xc40f, STRL, RIL_b, GIE, r1_o, ri2, 0, 0, st32, 0) C(0xc40b, STGRL, RIL_b, GIE, r1_o, ri2, 0, 0, st64, 0) @@ -837,7 +837,7 @@ /* STORE FACILITY LIST EXTENDED */ C(0xb2b0, STFLE, S, SFLE, 0, a2, 0, 0, stfle, 0) /* STORE FPC */ - C(0xb29c, STFPC, S, Z, 0, a2, new, m2_32, efpc, 0) + F(0xb29c, STFPC, S, Z, 0, a2, new, m2_32, efpc, 0, IF_BFP) =20 /* STORE MULTIPLE */ D(0x9000, STM, RS_a, Z, 0, a2, 0, 0, stm, 0, 4) @@ -861,11 +861,11 @@ C(0xb9e9, SGRK, RRF_a, DO, r2, r3, r1, 0, sub, subs64) C(0xe309, SG, RXY_a, Z, r1, m2_64, r1, 0, sub, subs64) C(0xe319, SGF, RXY_a, Z, r1, m2_32s, r1, 0, sub, subs64) - C(0xb30b, SEBR, RRE, Z, e1, e2, new, e1, seb, f32) - C(0xb31b, SDBR, RRE, Z, f1_o, f2_o, f1, 0, sdb, f64) - C(0xb34b, SXBR, RRE, Z, 0, x2_o, x1, 0, sxb, f128) - C(0xed0b, SEB, RXE, Z, e1, m2_32u, new, e1, seb, f32) - C(0xed1b, SDB, RXE, Z, f1_o, m2_64, f1, 0, sdb, f64) + F(0xb30b, SEBR, RRE, Z, e1, e2, new, e1, seb, f32, IF_BFP) + F(0xb31b, SDBR, RRE, Z, f1_o, f2_o, f1, 0, sdb, f64, IF_BFP) + F(0xb34b, SXBR, RRE, Z, 0, x2_o, x1, 0, sxb, f128, IF_BFP) + F(0xed0b, SEB, RXE, Z, e1, m2_32u, new, e1, seb, f32, IF_BFP) + F(0xed1b, SDB, RXE, Z, f1_o, m2_64, f1, 0, sdb, f64, IF_BFP) /* SUBTRACT HALFWORD */ C(0x4b00, SH, RX_a, Z, r1, m2_16s, new, r1_32, sub, subs32) C(0xe37b, SHY, RXY_a, LD, r1, m2_16s, new, r1_32, sub, subs32) @@ -904,9 +904,9 @@ C(0x9300, TS, S, Z, 0, a2, 0, 0, ts, 0) =20 /* TEST DATA CLASS */ - C(0xed10, TCEB, RXE, Z, e1, a2, 0, 0, tceb, 0) - C(0xed11, TCDB, RXE, Z, f1_o, a2, 0, 0, tcdb, 0) - C(0xed12, TCXB, RXE, Z, x1_o, a2, 0, 0, tcxb, 0) + F(0xed10, TCEB, RXE, Z, e1, a2, 0, 0, tceb, 0, IF_BFP) + F(0xed11, TCDB, RXE, Z, f1_o, a2, 0, 0, tcdb, 0, IF_BFP) + F(0xed12, TCXB, RXE, Z, x1_o, a2, 0, 0, tcxb, 0, IF_BFP) =20 /* TEST DECIMAL */ C(0xebc0, TP, RSL, E2, la1, 0, 0, 0, tp, 0) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index e9cbeb2a1b..8322c81e90 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -1112,6 +1112,14 @@ typedef struct { /* We are exiting the TB to the main loop. */ #define DISAS_PC_STALE_NOCHAIN DISAS_TARGET_4 =20 + +/* Instruction flags */ +#define IF_HFP1 0x0001 /* r1 points at fp reg for HFP instruction= s */ +#define IF_HFP2 0x0002 /* r2 points at fp reg for HFP instruction= s */ +#define IF_HFP3 0x0004 /* r3 points at fp reg for HFP instruction= s */ +#define IF_BFP 0x0008 /* binary floating point instruction */ +#define IF_DFP 0x0010 /* decimal floating point instruction */ + struct DisasInsn { unsigned opc:16; unsigned flags:16; --=20 2.17.1 From nobody Wed Nov 5 12:34:47 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1534925359402536.8173807807938; Wed, 22 Aug 2018 01:09:19 -0700 (PDT) Received: from localhost ([::1]:57402 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsOCY-0003IO-6B for importer@patchew.org; Wed, 22 Aug 2018 04:09:14 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34833) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsOAQ-0001qi-Bp for qemu-devel@nongnu.org; Wed, 22 Aug 2018 04:07:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fsO1i-00012N-SH for qemu-devel@nongnu.org; Wed, 22 Aug 2018 03:58:03 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:33782 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fsO1i-00011q-Jk; Wed, 22 Aug 2018 03:58:02 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 4495040201C0; Wed, 22 Aug 2018 07:58:02 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-232.ams2.redhat.com [10.36.116.232]) by smtp.corp.redhat.com (Postfix) with ESMTP id 091DE10FFE7E; Wed, 22 Aug 2018 07:58:00 +0000 (UTC) From: David Hildenbrand To: qemu-s390x@nongnu.org Date: Wed, 22 Aug 2018 09:57:47 +0200 Message-Id: <20180822075750.12399-6-david@redhat.com> In-Reply-To: <20180822075750.12399-1-david@redhat.com> References: <20180822075750.12399-1-david@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Wed, 22 Aug 2018 07:58:02 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Wed, 22 Aug 2018 07:58:02 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'david@redhat.com' RCPT:'' Content-Transfer-Encoding: quoted-printable X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v1 5/8] s390x/tcg: check for AFP-register, BFP and DFP data exceptions X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , Alexander Graf , qemu-devel@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Type: text/plain; charset="utf-8" With the annotated functions, we can now easily check this at a central place. DXC 1 is to be injected if an AFP register is used (for a HFP instruction) when AFP is disabled. DXC 2 is to be injected if a BFP instruction is used when AFP is disabled. DXC =C2=A7 is to be injected if a DFP instruction is used when AFP is disabled. Signed-off-by: David Hildenbrand --- target/s390x/translate.c | 33 +++++++++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 8322c81e90..a0c834ebb9 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -6055,6 +6055,11 @@ static const DisasInsn *extract_insn(CPUS390XState *= env, DisasContext *s, return info; } =20 +static bool is_afp_reg(int reg) +{ + return reg % 2 || reg > 6; +} + static DisasJumpType translate_one(CPUS390XState *env, DisasContext *s) { const DisasInsn *insn; @@ -6081,6 +6086,34 @@ static DisasJumpType translate_one(CPUS390XState *en= v, DisasContext *s) } #endif =20 + /* process flags */ + if (insn->flags) { + /* if AFP is not enabled, instructions and registers are forbidden= */ + if (!(s->base.tb->flags & FLAG_MASK_AFP)) { + uint8_t dxc =3D 0; + + if ((insn->flags & IF_HFP1) && is_afp_reg(get_field(&f, r1))) { + dxc =3D 1; + } + if ((insn->flags & IF_HFP2) && is_afp_reg(get_field(&f, r2))) { + dxc =3D 1; + } + if ((insn->flags & IF_HFP3) && is_afp_reg(get_field(&f, r3))) { + dxc =3D 1; + } + if (insn->flags & IF_BFP) { + dxc =3D 2; + } + if (insn->flags & IF_DFP) { + dxc =3D 3; + } + if (dxc) { + gen_data_exception(dxc); + return DISAS_NORETURN; + } + } + } + /* Check for insn specification exceptions. */ if (insn->spec) { int spec =3D insn->spec, excp =3D 0, r; --=20 2.17.1 From nobody Wed Nov 5 12:34:47 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1534925424180627.9158564391793; Wed, 22 Aug 2018 01:10:24 -0700 (PDT) Received: from localhost ([::1]:57404 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsODe-0004Lj-Jp for importer@patchew.org; Wed, 22 Aug 2018 04:10:22 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:35075) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsOAO-0001yG-Ex for qemu-devel@nongnu.org; Wed, 22 Aug 2018 04:07:06 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fsO1k-00013e-AE for qemu-devel@nongnu.org; Wed, 22 Aug 2018 03:58:06 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:39306 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fsO1k-00013O-48; Wed, 22 Aug 2018 03:58:04 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id C48267A7EC; Wed, 22 Aug 2018 07:58:03 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-232.ams2.redhat.com [10.36.116.232]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8335F10FD2B2; Wed, 22 Aug 2018 07:58:02 +0000 (UTC) From: David Hildenbrand To: qemu-s390x@nongnu.org Date: Wed, 22 Aug 2018 09:57:48 +0200 Message-Id: <20180822075750.12399-7-david@redhat.com> In-Reply-To: <20180822075750.12399-1-david@redhat.com> References: <20180822075750.12399-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Wed, 22 Aug 2018 07:58:03 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.2]); Wed, 22 Aug 2018 07:58:03 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'david@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v1 6/8] s390x/tcg: handle privileged instructions via flags X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , Alexander Graf , qemu-devel@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Let's check this also at a central place. Signed-off-by: David Hildenbrand --- target/s390x/insn-data.def | 138 ++++++++++++++++++------------------- target/s390x/translate.c | 83 ++-------------------- 2 files changed, 76 insertions(+), 145 deletions(-) diff --git a/target/s390x/insn-data.def b/target/s390x/insn-data.def index 506c3de1d7..fe52d7b81c 100644 --- a/target/s390x/insn-data.def +++ b/target/s390x/insn-data.def @@ -961,126 +961,126 @@ =20 #ifndef CONFIG_USER_ONLY /* COMPARE AND SWAP AND PURGE */ - D(0xb250, CSP, RRE, Z, r1_32u, ra2, r1_P, 0, csp, 0, MO_TEUL) - D(0xb98a, CSPG, RRE, DAT_ENH, r1_o, ra2, r1_P, 0, csp, 0, MO_TEQ) + E(0xb250, CSP, RRE, Z, r1_32u, ra2, r1_P, 0, csp, 0, MO_TEUL, = IF_PRIV) + E(0xb98a, CSPG, RRE, DAT_ENH, r1_o, ra2, r1_P, 0, csp, 0, MO_TEQ, I= F_PRIV) /* DIAGNOSE (KVM hypercall) */ - C(0x8300, DIAG, RSI, Z, 0, 0, 0, 0, diag, 0) + F(0x8300, DIAG, RSI, Z, 0, 0, 0, 0, diag, 0, IF_PRIV) /* INSERT STORAGE KEY EXTENDED */ - C(0xb229, ISKE, RRE, Z, 0, r2_o, new, r1_8, iske, 0) + F(0xb229, ISKE, RRE, Z, 0, r2_o, new, r1_8, iske, 0, IF_PRIV) /* INVALIDATE DAT TABLE ENTRY */ - C(0xb98e, IPDE, RRF_b, Z, r1_o, r2_o, 0, 0, idte, 0) + F(0xb98e, IPDE, RRF_b, Z, r1_o, r2_o, 0, 0, idte, 0, IF_PRIV) /* INVALIDATE PAGE TABLE ENTRY */ - C(0xb221, IPTE, RRF_a, Z, r1_o, r2_o, 0, 0, ipte, 0) + F(0xb221, IPTE, RRF_a, Z, r1_o, r2_o, 0, 0, ipte, 0, IF_PRIV) /* LOAD CONTROL */ - C(0xb700, LCTL, RS_a, Z, 0, a2, 0, 0, lctl, 0) - C(0xeb2f, LCTLG, RSY_a, Z, 0, a2, 0, 0, lctlg, 0) + F(0xb700, LCTL, RS_a, Z, 0, a2, 0, 0, lctl, 0, IF_PRIV) + F(0xeb2f, LCTLG, RSY_a, Z, 0, a2, 0, 0, lctlg, 0, IF_PRIV) /* LOAD PROGRAM PARAMETER */ - C(0xb280, LPP, S, LPP, 0, m2_64, 0, 0, lpp, 0) + F(0xb280, LPP, S, LPP, 0, m2_64, 0, 0, lpp, 0, IF_PRIV) /* LOAD PSW */ - C(0x8200, LPSW, S, Z, 0, a2, 0, 0, lpsw, 0) + F(0x8200, LPSW, S, Z, 0, a2, 0, 0, lpsw, 0, IF_PRIV) /* LOAD PSW EXTENDED */ - C(0xb2b2, LPSWE, S, Z, 0, a2, 0, 0, lpswe, 0) + F(0xb2b2, LPSWE, S, Z, 0, a2, 0, 0, lpswe, 0, IF_PRIV) /* LOAD REAL ADDRESS */ - C(0xb100, LRA, RX_a, Z, 0, a2, r1, 0, lra, 0) - C(0xe313, LRAY, RXY_a, LD, 0, a2, r1, 0, lra, 0) - C(0xe303, LRAG, RXY_a, Z, 0, a2, r1, 0, lra, 0) + F(0xb100, LRA, RX_a, Z, 0, a2, r1, 0, lra, 0, IF_PRIV) + F(0xe313, LRAY, RXY_a, LD, 0, a2, r1, 0, lra, 0, IF_PRIV) + F(0xe303, LRAG, RXY_a, Z, 0, a2, r1, 0, lra, 0, IF_PRIV) /* LOAD USING REAL ADDRESS */ - C(0xb24b, LURA, RRE, Z, 0, r2, new, r1_32, lura, 0) - C(0xb905, LURAG, RRE, Z, 0, r2, r1, 0, lurag, 0) + F(0xb24b, LURA, RRE, Z, 0, r2, new, r1_32, lura, 0, IF_PRIV) + F(0xb905, LURAG, RRE, Z, 0, r2, r1, 0, lurag, 0, IF_PRIV) /* MOVE TO PRIMARY */ - C(0xda00, MVCP, SS_d, Z, la1, a2, 0, 0, mvcp, 0) + F(0xda00, MVCP, SS_d, Z, la1, a2, 0, 0, mvcp, 0, IF_PRIV) /* MOVE TO SECONDARY */ - C(0xdb00, MVCS, SS_d, Z, la1, a2, 0, 0, mvcs, 0) + F(0xdb00, MVCS, SS_d, Z, la1, a2, 0, 0, mvcs, 0, IF_PRIV) /* PURGE TLB */ - C(0xb20d, PTLB, S, Z, 0, 0, 0, 0, ptlb, 0) + F(0xb20d, PTLB, S, Z, 0, 0, 0, 0, ptlb, 0, IF_PRIV) /* RESET REFERENCE BIT EXTENDED */ - C(0xb22a, RRBE, RRE, Z, 0, r2_o, 0, 0, rrbe, 0) + F(0xb22a, RRBE, RRE, Z, 0, r2_o, 0, 0, rrbe, 0, IF_PRIV) /* SERVICE CALL LOGICAL PROCESSOR (PV hypercall) */ - C(0xb220, SERVC, RRE, Z, r1_o, r2_o, 0, 0, servc, 0) + F(0xb220, SERVC, RRE, Z, r1_o, r2_o, 0, 0, servc, 0, IF_PRIV) /* SET ADDRESS SPACE CONTROL FAST */ - C(0xb279, SACF, S, Z, 0, a2, 0, 0, sacf, 0) + F(0xb279, SACF, S, Z, 0, a2, 0, 0, sacf, 0, IF_PRIV) /* SET CLOCK */ - C(0xb204, SCK, S, Z, la2, 0, 0, 0, sck, 0) + F(0xb204, SCK, S, Z, la2, 0, 0, 0, sck, 0, IF_PRIV) /* SET CLOCK COMPARATOR */ - C(0xb206, SCKC, S, Z, 0, m2_64a, 0, 0, sckc, 0) + F(0xb206, SCKC, S, Z, 0, m2_64a, 0, 0, sckc, 0, IF_PRIV) /* SET CLOCK PROGRAMMABLE FIELD */ - C(0x0107, SCKPF, E, Z, 0, 0, 0, 0, sckpf, 0) + F(0x0107, SCKPF, E, Z, 0, 0, 0, 0, sckpf, 0, IF_PRIV) /* SET CPU TIMER */ - C(0xb208, SPT, S, Z, 0, m2_64a, 0, 0, spt, 0) + F(0xb208, SPT, S, Z, 0, m2_64a, 0, 0, spt, 0, IF_PRIV) /* SET PREFIX */ - C(0xb210, SPX, S, Z, 0, m2_32ua, 0, 0, spx, 0) + F(0xb210, SPX, S, Z, 0, m2_32ua, 0, 0, spx, 0, IF_PRIV) /* SET PSW KEY FROM ADDRESS */ - C(0xb20a, SPKA, S, Z, 0, a2, 0, 0, spka, 0) + F(0xb20a, SPKA, S, Z, 0, a2, 0, 0, spka, 0, IF_PRIV) /* SET STORAGE KEY EXTENDED */ - C(0xb22b, SSKE, RRF_c, Z, r1_o, r2_o, 0, 0, sske, 0) + F(0xb22b, SSKE, RRF_c, Z, r1_o, r2_o, 0, 0, sske, 0, IF_PRIV) /* SET SYSTEM MASK */ - C(0x8000, SSM, S, Z, 0, m2_8u, 0, 0, ssm, 0) + F(0x8000, SSM, S, Z, 0, m2_8u, 0, 0, ssm, 0, IF_PRIV) /* SIGNAL PROCESSOR */ - C(0xae00, SIGP, RS_a, Z, 0, a2, 0, 0, sigp, 0) + F(0xae00, SIGP, RS_a, Z, 0, a2, 0, 0, sigp, 0, IF_PRIV) /* STORE CLOCK */ C(0xb205, STCK, S, Z, la2, 0, new, m1_64, stck, 0) C(0xb27c, STCKF, S, SCF, la2, 0, new, m1_64, stck, 0) /* STORE CLOCK EXTENDED */ C(0xb278, STCKE, S, Z, 0, a2, 0, 0, stcke, 0) /* STORE CLOCK COMPARATOR */ - C(0xb207, STCKC, S, Z, la2, 0, new, m1_64a, stckc, 0) + F(0xb207, STCKC, S, Z, la2, 0, new, m1_64a, stckc, 0, IF_PRIV) /* STORE CONTROL */ - C(0xb600, STCTL, RS_a, Z, 0, a2, 0, 0, stctl, 0) - C(0xeb25, STCTG, RSY_a, Z, 0, a2, 0, 0, stctg, 0) + F(0xb600, STCTL, RS_a, Z, 0, a2, 0, 0, stctl, 0, IF_PRIV) + F(0xeb25, STCTG, RSY_a, Z, 0, a2, 0, 0, stctg, 0, IF_PRIV) /* STORE CPU ADDRESS */ - C(0xb212, STAP, S, Z, la2, 0, new, m1_16a, stap, 0) + F(0xb212, STAP, S, Z, la2, 0, new, m1_16a, stap, 0, IF_PRIV) /* STORE CPU ID */ - C(0xb202, STIDP, S, Z, la2, 0, new, m1_64a, stidp, 0) + F(0xb202, STIDP, S, Z, la2, 0, new, m1_64a, stidp, 0, IF_PRIV) /* STORE CPU TIMER */ - C(0xb209, STPT, S, Z, la2, 0, new, m1_64a, stpt, 0) + F(0xb209, STPT, S, Z, la2, 0, new, m1_64a, stpt, 0, IF_PRIV) /* STORE FACILITY LIST */ - C(0xb2b1, STFL, S, Z, 0, 0, 0, 0, stfl, 0) + F(0xb2b1, STFL, S, Z, 0, 0, 0, 0, stfl, 0, IF_PRIV) /* STORE PREFIX */ - C(0xb211, STPX, S, Z, la2, 0, new, m1_32a, stpx, 0) + F(0xb211, STPX, S, Z, la2, 0, new, m1_32a, stpx, 0, IF_PRIV) /* STORE SYSTEM INFORMATION */ - C(0xb27d, STSI, S, Z, 0, a2, 0, 0, stsi, 0) + F(0xb27d, STSI, S, Z, 0, a2, 0, 0, stsi, 0, IF_PRIV) /* STORE THEN AND SYSTEM MASK */ - C(0xac00, STNSM, SI, Z, la1, 0, 0, 0, stnosm, 0) + F(0xac00, STNSM, SI, Z, la1, 0, 0, 0, stnosm, 0, IF_PRIV) /* STORE THEN OR SYSTEM MASK */ - C(0xad00, STOSM, SI, Z, la1, 0, 0, 0, stnosm, 0) + F(0xad00, STOSM, SI, Z, la1, 0, 0, 0, stnosm, 0, IF_PRIV) /* STORE USING REAL ADDRESS */ - C(0xb246, STURA, RRE, Z, r1_o, r2_o, 0, 0, stura, 0) - C(0xb925, STURG, RRE, Z, r1_o, r2_o, 0, 0, sturg, 0) + F(0xb246, STURA, RRE, Z, r1_o, r2_o, 0, 0, stura, 0, IF_PRIV) + F(0xb925, STURG, RRE, Z, r1_o, r2_o, 0, 0, sturg, 0, IF_PRIV) /* TEST BLOCK */ - C(0xb22c, TB, RRE, Z, 0, r2_o, 0, 0, testblock, 0) + F(0xb22c, TB, RRE, Z, 0, r2_o, 0, 0, testblock, 0, IF_PRIV) /* TEST PROTECTION */ C(0xe501, TPROT, SSE, Z, la1, a2, 0, 0, tprot, 0) =20 /* CCW I/O Instructions */ - C(0xb276, XSCH, S, Z, 0, 0, 0, 0, xsch, 0) - C(0xb230, CSCH, S, Z, 0, 0, 0, 0, csch, 0) - C(0xb231, HSCH, S, Z, 0, 0, 0, 0, hsch, 0) - C(0xb232, MSCH, S, Z, 0, insn, 0, 0, msch, 0) - C(0xb23b, RCHP, S, Z, 0, 0, 0, 0, rchp, 0) - C(0xb238, RSCH, S, Z, 0, 0, 0, 0, rsch, 0) - C(0xb237, SAL, S, Z, 0, 0, 0, 0, sal, 0) - C(0xb23c, SCHM, S, Z, 0, insn, 0, 0, schm, 0) - C(0xb274, SIGA, S, Z, 0, 0, 0, 0, siga, 0) - C(0xb23a, STCPS, S, Z, 0, 0, 0, 0, stcps, 0) - C(0xb233, SSCH, S, Z, 0, insn, 0, 0, ssch, 0) - C(0xb239, STCRW, S, Z, 0, insn, 0, 0, stcrw, 0) - C(0xb234, STSCH, S, Z, 0, insn, 0, 0, stsch, 0) - C(0xb236, TPI , S, Z, la2, 0, 0, 0, tpi, 0) - C(0xb235, TSCH, S, Z, 0, insn, 0, 0, tsch, 0) + F(0xb276, XSCH, S, Z, 0, 0, 0, 0, xsch, 0, IF_PRIV) + F(0xb230, CSCH, S, Z, 0, 0, 0, 0, csch, 0, IF_PRIV) + F(0xb231, HSCH, S, Z, 0, 0, 0, 0, hsch, 0, IF_PRIV) + F(0xb232, MSCH, S, Z, 0, insn, 0, 0, msch, 0, IF_PRIV) + F(0xb23b, RCHP, S, Z, 0, 0, 0, 0, rchp, 0, IF_PRIV) + F(0xb238, RSCH, S, Z, 0, 0, 0, 0, rsch, 0, IF_PRIV) + F(0xb237, SAL, S, Z, 0, 0, 0, 0, sal, 0, IF_PRIV) + F(0xb23c, SCHM, S, Z, 0, insn, 0, 0, schm, 0, IF_PRIV) + F(0xb274, SIGA, S, Z, 0, 0, 0, 0, siga, 0, IF_PRIV) + F(0xb23a, STCPS, S, Z, 0, 0, 0, 0, stcps, 0, IF_PRIV) + F(0xb233, SSCH, S, Z, 0, insn, 0, 0, ssch, 0, IF_PRIV) + F(0xb239, STCRW, S, Z, 0, insn, 0, 0, stcrw, 0, IF_PRIV) + F(0xb234, STSCH, S, Z, 0, insn, 0, 0, stsch, 0, IF_PRIV) + F(0xb236, TPI , S, Z, la2, 0, 0, 0, tpi, 0, IF_PRIV) + F(0xb235, TSCH, S, Z, 0, insn, 0, 0, tsch, 0, IF_PRIV) /* ??? Not listed in PoO ninth edition, but there's a linux driver that uses it: "A CHSC subchannel is usually present on LPAR only." */ - C(0xb25f, CHSC, RRE, Z, 0, insn, 0, 0, chsc, 0) + F(0xb25f, CHSC, RRE, Z, 0, insn, 0, 0, chsc, 0, IF_PRIV) =20 /* zPCI Instructions */ /* None of these instructions are documented in the PoP, so this is all based upon target/s390x/kvm.c and Linux code and likely incomplete = */ - C(0xebd0, PCISTB, RSY_a, PCI, la2, 0, 0, 0, pcistb, 0) - C(0xebd1, SIC, RSY_a, AIS, r1, r3, 0, 0, sic, 0) - C(0xb9a0, CLP, RRF_c, PCI, 0, 0, 0, 0, clp, 0) - C(0xb9d0, PCISTG, RRE, PCI, 0, 0, 0, 0, pcistg, 0) - C(0xb9d2, PCILG, RRE, PCI, 0, 0, 0, 0, pcilg, 0) - C(0xb9d3, RPCIT, RRE, PCI, 0, 0, 0, 0, rpcit, 0) - C(0xe3d0, MPCIFC, RXY_a, PCI, la2, 0, 0, 0, mpcifc, 0) - C(0xe3d4, STPCIFC, RXY_a, PCI, la2, 0, 0, 0, stpcifc, 0) + F(0xebd0, PCISTB, RSY_a, PCI, la2, 0, 0, 0, pcistb, 0, IF_PRIV) + F(0xebd1, SIC, RSY_a, AIS, r1, r3, 0, 0, sic, 0, IF_PRIV) + F(0xb9a0, CLP, RRF_c, PCI, 0, 0, 0, 0, clp, 0, IF_PRIV) + F(0xb9d0, PCISTG, RRE, PCI, 0, 0, 0, 0, pcistg, 0, IF_PRIV) + F(0xb9d2, PCILG, RRE, PCI, 0, 0, 0, 0, pcilg, 0, IF_PRIV) + F(0xb9d3, RPCIT, RRE, PCI, 0, 0, 0, 0, rpcit, 0, IF_PRIV) + F(0xe3d0, MPCIFC, RXY_a, PCI, la2, 0, 0, 0, mpcifc, 0, IF_PRIV) + F(0xe3d4, STPCIFC, RXY_a, PCI, la2, 0, 0, 0, stpcifc, 0, IF_PRIV) =20 #endif /* CONFIG_USER_ONLY */ diff --git a/target/s390x/translate.c b/target/s390x/translate.c index a0c834ebb9..1ca6ef45a1 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -320,15 +320,6 @@ static inline void gen_trap(DisasContext *s) gen_data_exception(0xff); } =20 -#ifndef CONFIG_USER_ONLY -static void check_privileged(DisasContext *s) -{ - if (s->base.tb->flags & FLAG_MASK_PSTATE) { - gen_program_exception(s, PGM_PRIVILEGED); - } -} -#endif - static TCGv_i64 get_address(DisasContext *s, int x2, int b2, int d2) { TCGv_i64 tmp =3D tcg_temp_new_i64(); @@ -1119,6 +1110,7 @@ typedef struct { #define IF_HFP3 0x0004 /* r3 points at fp reg for HFP instruction= s */ #define IF_BFP 0x0008 /* binary floating point instruction */ #define IF_DFP 0x0010 /* decimal floating point instruction */ +#define IF_PRIV 0x0020 /* priviledged instruction */ =20 struct DisasInsn { unsigned opc:16; @@ -2046,7 +2038,6 @@ static DisasJumpType op_csp(DisasContext *s, DisasOps= *o) /* Note that in1 =3D R1 (zero-extended expected value), out =3D R1 (original reg), out2 =3D R1+1 (new value). */ =20 - check_privileged(s); addr =3D tcg_temp_new_i64(); old =3D tcg_temp_new_i64(); tcg_gen_andi_i64(addr, o->in2, -1ULL << (mop & MO_SIZE)); @@ -2170,7 +2161,6 @@ static DisasJumpType op_diag(DisasContext *s, DisasOp= s *o) TCGv_i32 r3 =3D tcg_const_i32(get_field(s->fields, r3)); TCGv_i32 func_code =3D tcg_const_i32(get_field(s->fields, i2)); =20 - check_privileged(s); gen_helper_diag(cpu_env, r1, r3, func_code); =20 tcg_temp_free_i32(func_code); @@ -2434,7 +2424,6 @@ static DisasJumpType op_idte(DisasContext *s, DisasOp= s *o) { TCGv_i32 m4; =20 - check_privileged(s); if (s390_has_feat(S390_FEAT_LOCAL_TLB_CLEARING)) { m4 =3D tcg_const_i32(get_field(s->fields, m4)); } else { @@ -2449,7 +2438,6 @@ static DisasJumpType op_ipte(DisasContext *s, DisasOp= s *o) { TCGv_i32 m4; =20 - check_privileged(s); if (s390_has_feat(S390_FEAT_LOCAL_TLB_CLEARING)) { m4 =3D tcg_const_i32(get_field(s->fields, m4)); } else { @@ -2462,7 +2450,6 @@ static DisasJumpType op_ipte(DisasContext *s, DisasOp= s *o) =20 static DisasJumpType op_iske(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_iske(o->out, cpu_env, o->in2); return DISAS_NEXT; } @@ -2761,7 +2748,6 @@ static DisasJumpType op_lctl(DisasContext *s, DisasOp= s *o) { TCGv_i32 r1 =3D tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r3 =3D tcg_const_i32(get_field(s->fields, r3)); - check_privileged(s); gen_helper_lctl(cpu_env, r1, o->in2, r3); tcg_temp_free_i32(r1); tcg_temp_free_i32(r3); @@ -2773,7 +2759,6 @@ static DisasJumpType op_lctlg(DisasContext *s, DisasO= ps *o) { TCGv_i32 r1 =3D tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r3 =3D tcg_const_i32(get_field(s->fields, r3)); - check_privileged(s); gen_helper_lctlg(cpu_env, r1, o->in2, r3); tcg_temp_free_i32(r1); tcg_temp_free_i32(r3); @@ -2783,7 +2768,6 @@ static DisasJumpType op_lctlg(DisasContext *s, DisasO= ps *o) =20 static DisasJumpType op_lra(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_lra(o->out, cpu_env, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -2791,8 +2775,6 @@ static DisasJumpType op_lra(DisasContext *s, DisasOps= *o) =20 static DisasJumpType op_lpp(DisasContext *s, DisasOps *o) { - check_privileged(s); - tcg_gen_st_i64(o->in2, cpu_env, offsetof(CPUS390XState, pp)); return DISAS_NEXT; } @@ -2801,7 +2783,6 @@ static DisasJumpType op_lpsw(DisasContext *s, DisasOp= s *o) { TCGv_i64 t1, t2; =20 - check_privileged(s); per_breaking_event(s); =20 t1 =3D tcg_temp_new_i64(); @@ -2821,7 +2802,6 @@ static DisasJumpType op_lpswe(DisasContext *s, DisasO= ps *o) { TCGv_i64 t1, t2; =20 - check_privileged(s); per_breaking_event(s); =20 t1 =3D tcg_temp_new_i64(); @@ -3019,14 +2999,12 @@ static DisasJumpType op_lpq(DisasContext *s, DisasO= ps *o) #ifndef CONFIG_USER_ONLY static DisasJumpType op_lura(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_lura(o->out, cpu_env, o->in2); return DISAS_NEXT; } =20 static DisasJumpType op_lurag(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_lurag(o->out, cpu_env, o->in2); return DISAS_NEXT; } @@ -3185,7 +3163,6 @@ static DisasJumpType op_mvcos(DisasContext *s, DisasO= ps *o) static DisasJumpType op_mvcp(DisasContext *s, DisasOps *o) { int r1 =3D get_field(s->fields, l1); - check_privileged(s); gen_helper_mvcp(cc_op, cpu_env, regs[r1], o->addr1, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -3194,7 +3171,6 @@ static DisasJumpType op_mvcp(DisasContext *s, DisasOp= s *o) static DisasJumpType op_mvcs(DisasContext *s, DisasOps *o) { int r1 =3D get_field(s->fields, l1); - check_privileged(s); gen_helper_mvcs(cc_op, cpu_env, regs[r1], o->addr1, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -3480,7 +3456,6 @@ static DisasJumpType op_popcnt(DisasContext *s, Disas= Ops *o) #ifndef CONFIG_USER_ONLY static DisasJumpType op_ptlb(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_ptlb(cpu_env); return DISAS_NEXT; } @@ -3671,7 +3646,6 @@ static DisasJumpType op_rll64(DisasContext *s, DisasO= ps *o) #ifndef CONFIG_USER_ONLY static DisasJumpType op_rrbe(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_rrbe(cc_op, cpu_env, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -3679,7 +3653,6 @@ static DisasJumpType op_rrbe(DisasContext *s, DisasOp= s *o) =20 static DisasJumpType op_sacf(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sacf(cpu_env, o->in2); /* Addressing mode has changed, so end the block. */ return DISAS_PC_STALE; @@ -3769,7 +3742,6 @@ static DisasJumpType op_sqxb(DisasContext *s, DisasOp= s *o) #ifndef CONFIG_USER_ONLY static DisasJumpType op_servc(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_servc(cc_op, cpu_env, o->in2, o->in1); set_cc_static(s); return DISAS_NEXT; @@ -3779,7 +3751,6 @@ static DisasJumpType op_sigp(DisasContext *s, DisasOp= s *o) { TCGv_i32 r1 =3D tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r3 =3D tcg_const_i32(get_field(s->fields, r3)); - check_privileged(s); gen_helper_sigp(cc_op, cpu_env, o->in2, r1, r3); set_cc_static(s); tcg_temp_free_i32(r1); @@ -3961,7 +3932,6 @@ static DisasJumpType op_ectg(DisasContext *s, DisasOp= s *o) #ifndef CONFIG_USER_ONLY static DisasJumpType op_spka(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_shri_i64(o->in2, o->in2, 4); tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, PSW_SHIFT_KEY, 4); return DISAS_NEXT; @@ -3969,14 +3939,12 @@ static DisasJumpType op_spka(DisasContext *s, Disas= Ops *o) =20 static DisasJumpType op_sske(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sske(cpu_env, o->in1, o->in2); return DISAS_NEXT; } =20 static DisasJumpType op_ssm(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, 56, 8); /* Exit to main loop to reevaluate s390_cpu_exec_interrupt. */ return DISAS_PC_STALE_NOCHAIN; @@ -3984,7 +3952,6 @@ static DisasJumpType op_ssm(DisasContext *s, DisasOps= *o) =20 static DisasJumpType op_stap(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_ld32u_i64(o->out, cpu_env, offsetof(CPUS390XState, core_id)); return DISAS_NEXT; } @@ -4026,7 +3993,6 @@ static DisasJumpType op_stcke(DisasContext *s, DisasO= ps *o) =20 static DisasJumpType op_sck(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_qemu_ld_i64(o->in1, o->addr1, get_mem_index(s), MO_TEQ | MO_AL= IGN); gen_helper_sck(cc_op, cpu_env, o->in1); set_cc_static(s); @@ -4035,21 +4001,18 @@ static DisasJumpType op_sck(DisasContext *s, DisasO= ps *o) =20 static DisasJumpType op_sckc(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sckc(cpu_env, o->in2); return DISAS_NEXT; } =20 static DisasJumpType op_sckpf(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sckpf(cpu_env, regs[0]); return DISAS_NEXT; } =20 static DisasJumpType op_stckc(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stckc(o->out, cpu_env); return DISAS_NEXT; } @@ -4058,7 +4021,6 @@ static DisasJumpType op_stctg(DisasContext *s, DisasO= ps *o) { TCGv_i32 r1 =3D tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r3 =3D tcg_const_i32(get_field(s->fields, r3)); - check_privileged(s); gen_helper_stctg(cpu_env, r1, o->in2, r3); tcg_temp_free_i32(r1); tcg_temp_free_i32(r3); @@ -4069,7 +4031,6 @@ static DisasJumpType op_stctl(DisasContext *s, DisasO= ps *o) { TCGv_i32 r1 =3D tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r3 =3D tcg_const_i32(get_field(s->fields, r3)); - check_privileged(s); gen_helper_stctl(cpu_env, r1, o->in2, r3); tcg_temp_free_i32(r1); tcg_temp_free_i32(r3); @@ -4078,35 +4039,30 @@ static DisasJumpType op_stctl(DisasContext *s, Disa= sOps *o) =20 static DisasJumpType op_stidp(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_ld_i64(o->out, cpu_env, offsetof(CPUS390XState, cpuid)); return DISAS_NEXT; } =20 static DisasJumpType op_spt(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_spt(cpu_env, o->in2); return DISAS_NEXT; } =20 static DisasJumpType op_stfl(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stfl(cpu_env); return DISAS_NEXT; } =20 static DisasJumpType op_stpt(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stpt(o->out, cpu_env); return DISAS_NEXT; } =20 static DisasJumpType op_stsi(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stsi(cc_op, cpu_env, o->in2, regs[0], regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4114,14 +4070,12 @@ static DisasJumpType op_stsi(DisasContext *s, Disas= Ops *o) =20 static DisasJumpType op_spx(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_spx(cpu_env, o->in2); return DISAS_NEXT; } =20 static DisasJumpType op_xsch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_xsch(cpu_env, regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4129,7 +4083,6 @@ static DisasJumpType op_xsch(DisasContext *s, DisasOp= s *o) =20 static DisasJumpType op_csch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_csch(cpu_env, regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4137,7 +4090,6 @@ static DisasJumpType op_csch(DisasContext *s, DisasOp= s *o) =20 static DisasJumpType op_hsch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_hsch(cpu_env, regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4145,7 +4097,6 @@ static DisasJumpType op_hsch(DisasContext *s, DisasOp= s *o) =20 static DisasJumpType op_msch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_msch(cpu_env, regs[1], o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4153,7 +4104,6 @@ static DisasJumpType op_msch(DisasContext *s, DisasOp= s *o) =20 static DisasJumpType op_rchp(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_rchp(cpu_env, regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4161,7 +4111,6 @@ static DisasJumpType op_rchp(DisasContext *s, DisasOp= s *o) =20 static DisasJumpType op_rsch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_rsch(cpu_env, regs[1]); set_cc_static(s); return DISAS_NEXT; @@ -4169,21 +4118,18 @@ static DisasJumpType op_rsch(DisasContext *s, Disas= Ops *o) =20 static DisasJumpType op_sal(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sal(cpu_env, regs[1]); return DISAS_NEXT; } =20 static DisasJumpType op_schm(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_schm(cpu_env, regs[1], regs[2], o->in2); return DISAS_NEXT; } =20 static DisasJumpType op_siga(DisasContext *s, DisasOps *o) { - check_privileged(s); /* From KVM code: Not provided, set CC =3D 3 for subchannel not operat= ional */ gen_op_movi_cc(s, 3); return DISAS_NEXT; @@ -4191,14 +4137,12 @@ static DisasJumpType op_siga(DisasContext *s, Disas= Ops *o) =20 static DisasJumpType op_stcps(DisasContext *s, DisasOps *o) { - check_privileged(s); /* The instruction is suppressed if not provided. */ return DISAS_NEXT; } =20 static DisasJumpType op_ssch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_ssch(cpu_env, regs[1], o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4206,7 +4150,6 @@ static DisasJumpType op_ssch(DisasContext *s, DisasOp= s *o) =20 static DisasJumpType op_stsch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stsch(cpu_env, regs[1], o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4214,7 +4157,6 @@ static DisasJumpType op_stsch(DisasContext *s, DisasO= ps *o) =20 static DisasJumpType op_stcrw(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stcrw(cpu_env, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4222,7 +4164,6 @@ static DisasJumpType op_stcrw(DisasContext *s, DisasO= ps *o) =20 static DisasJumpType op_tpi(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_tpi(cc_op, cpu_env, o->addr1); set_cc_static(s); return DISAS_NEXT; @@ -4230,7 +4171,6 @@ static DisasJumpType op_tpi(DisasContext *s, DisasOps= *o) =20 static DisasJumpType op_tsch(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_tsch(cpu_env, regs[1], o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4238,7 +4178,6 @@ static DisasJumpType op_tsch(DisasContext *s, DisasOp= s *o) =20 static DisasJumpType op_chsc(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_chsc(cpu_env, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4246,7 +4185,6 @@ static DisasJumpType op_chsc(DisasContext *s, DisasOp= s *o) =20 static DisasJumpType op_stpx(DisasContext *s, DisasOps *o) { - check_privileged(s); tcg_gen_ld_i64(o->out, cpu_env, offsetof(CPUS390XState, psa)); tcg_gen_andi_i64(o->out, o->out, 0x7fffe000); return DISAS_NEXT; @@ -4257,8 +4195,6 @@ static DisasJumpType op_stnosm(DisasContext *s, Disas= Ops *o) uint64_t i2 =3D get_field(s->fields, i2); TCGv_i64 t; =20 - check_privileged(s); - /* It is important to do what the instruction name says: STORE THEN. If we let the output hook perform the store then if we fault and restart, we'll have the wrong SYSTEM MASK in place. */ @@ -4280,14 +4216,12 @@ static DisasJumpType op_stnosm(DisasContext *s, Dis= asOps *o) =20 static DisasJumpType op_stura(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_stura(cpu_env, o->in2, o->in1); return DISAS_NEXT; } =20 static DisasJumpType op_sturg(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sturg(cpu_env, o->in2, o->in1); return DISAS_NEXT; } @@ -4553,7 +4487,6 @@ static DisasJumpType op_tcxb(DisasContext *s, DisasOp= s *o) =20 static DisasJumpType op_testblock(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_testblock(cc_op, cpu_env, o->in2); set_cc_static(s); return DISAS_NEXT; @@ -4811,7 +4744,6 @@ static DisasJumpType op_clp(DisasContext *s, DisasOps= *o) { TCGv_i32 r2 =3D tcg_const_i32(get_field(s->fields, r2)); =20 - check_privileged(s); gen_helper_clp(cpu_env, r2); tcg_temp_free_i32(r2); set_cc_static(s); @@ -4823,7 +4755,6 @@ static DisasJumpType op_pcilg(DisasContext *s, DisasO= ps *o) TCGv_i32 r1 =3D tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r2 =3D tcg_const_i32(get_field(s->fields, r2)); =20 - check_privileged(s); gen_helper_pcilg(cpu_env, r1, r2); tcg_temp_free_i32(r1); tcg_temp_free_i32(r2); @@ -4836,7 +4767,6 @@ static DisasJumpType op_pcistg(DisasContext *s, Disas= Ops *o) TCGv_i32 r1 =3D tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r2 =3D tcg_const_i32(get_field(s->fields, r2)); =20 - check_privileged(s); gen_helper_pcistg(cpu_env, r1, r2); tcg_temp_free_i32(r1); tcg_temp_free_i32(r2); @@ -4849,7 +4779,6 @@ static DisasJumpType op_stpcifc(DisasContext *s, Disa= sOps *o) TCGv_i32 r1 =3D tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 ar =3D tcg_const_i32(get_field(s->fields, b2)); =20 - check_privileged(s); gen_helper_stpcifc(cpu_env, r1, o->addr1, ar); tcg_temp_free_i32(ar); tcg_temp_free_i32(r1); @@ -4859,7 +4788,6 @@ static DisasJumpType op_stpcifc(DisasContext *s, Disa= sOps *o) =20 static DisasJumpType op_sic(DisasContext *s, DisasOps *o) { - check_privileged(s); gen_helper_sic(cpu_env, o->in1, o->in2); return DISAS_NEXT; } @@ -4869,7 +4797,6 @@ static DisasJumpType op_rpcit(DisasContext *s, DisasO= ps *o) TCGv_i32 r1 =3D tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 r2 =3D tcg_const_i32(get_field(s->fields, r2)); =20 - check_privileged(s); gen_helper_rpcit(cpu_env, r1, r2); tcg_temp_free_i32(r1); tcg_temp_free_i32(r2); @@ -4883,7 +4810,6 @@ static DisasJumpType op_pcistb(DisasContext *s, Disas= Ops *o) TCGv_i32 r3 =3D tcg_const_i32(get_field(s->fields, r3)); TCGv_i32 ar =3D tcg_const_i32(get_field(s->fields, b2)); =20 - check_privileged(s); gen_helper_pcistb(cpu_env, r1, r3, o->addr1, ar); tcg_temp_free_i32(ar); tcg_temp_free_i32(r1); @@ -4897,7 +4823,6 @@ static DisasJumpType op_mpcifc(DisasContext *s, Disas= Ops *o) TCGv_i32 r1 =3D tcg_const_i32(get_field(s->fields, r1)); TCGv_i32 ar =3D tcg_const_i32(get_field(s->fields, b2)); =20 - check_privileged(s); gen_helper_mpcifc(cpu_env, r1, o->addr1, ar); tcg_temp_free_i32(ar); tcg_temp_free_i32(r1); @@ -6088,6 +6013,12 @@ static DisasJumpType translate_one(CPUS390XState *en= v, DisasContext *s) =20 /* process flags */ if (insn->flags) { + /* priviledged instruction */ + if ((s->base.tb->flags & FLAG_MASK_PSTATE) && (insn->flags & IF_PR= IV)) { + gen_program_exception(s, PGM_PRIVILEGED); + return DISAS_NORETURN; + } + /* if AFP is not enabled, instructions and registers are forbidden= */ if (!(s->base.tb->flags & FLAG_MASK_AFP)) { uint8_t dxc =3D 0; --=20 2.17.1 From nobody Wed Nov 5 12:34:47 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 15349253594941005.9076565292825; 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Wed, 22 Aug 2018 07:58:05 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-232.ams2.redhat.com [10.36.116.232]) by smtp.corp.redhat.com (Postfix) with ESMTP id 0E5D810FFE7F; Wed, 22 Aug 2018 07:58:03 +0000 (UTC) From: David Hildenbrand To: qemu-s390x@nongnu.org Date: Wed, 22 Aug 2018 09:57:49 +0200 Message-Id: <20180822075750.12399-8-david@redhat.com> In-Reply-To: <20180822075750.12399-1-david@redhat.com> References: <20180822075750.12399-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Wed, 22 Aug 2018 07:58:05 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.6]); Wed, 22 Aug 2018 07:58:05 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'david@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v1 7/8] s390x/tcg: fix FP register pair checks X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , Alexander Graf , qemu-devel@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Valid register pairs are 0/2, 1/3, 4/6, 5/7, 8/10, 9/11, 12/14, 13/15. R1/R2 always selects the lower number, so the current checks are not correct as e.g. 2/4 could be selected as a pair. Signed-off-by: David Hildenbrand --- target/s390x/translate.c | 24 ++++++++++++------------ 1 file changed, 12 insertions(+), 12 deletions(-) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 1ca6ef45a1..27d2405ef4 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -1110,7 +1110,7 @@ typedef struct { #define IF_HFP3 0x0004 /* r3 points at fp reg for HFP instruction= s */ #define IF_BFP 0x0008 /* binary floating point instruction */ #define IF_DFP 0x0010 /* decimal floating point instruction */ -#define IF_PRIV 0x0020 /* priviledged instruction */ +#define IF_PRIV 0x0020 /* privileged instruction */ =20 struct DisasInsn { unsigned opc:16; @@ -5985,6 +5985,12 @@ static bool is_afp_reg(int reg) return reg % 2 || reg > 6; } =20 +static bool is_fp_pair(int reg) +{ + /* 0,1,4,5,8,9,12,13: to exclude the others, check for single bit */ + return !(reg & 0x2); +} + static DisasJumpType translate_one(CPUS390XState *env, DisasContext *s) { const DisasInsn *insn; @@ -6013,7 +6019,7 @@ static DisasJumpType translate_one(CPUS390XState *env= , DisasContext *s) =20 /* process flags */ if (insn->flags) { - /* priviledged instruction */ + /* privileged instruction */ if ((s->base.tb->flags & FLAG_MASK_PSTATE) && (insn->flags & IF_PR= IV)) { gen_program_exception(s, PGM_PRIVILEGED); return DISAS_NORETURN; @@ -6067,17 +6073,11 @@ static DisasJumpType translate_one(CPUS390XState *e= nv, DisasContext *s) excp =3D PGM_SPECIFICATION; } } - if (spec & SPEC_r1_f128) { - r =3D get_field(&f, r1); - if (r > 13) { - excp =3D PGM_SPECIFICATION; - } + if ((spec & SPEC_r1_f128) && !is_fp_pair(get_field(&f, r1))) { + excp =3D PGM_SPECIFICATION; } - if (spec & SPEC_r2_f128) { - r =3D get_field(&f, r2); - if (r > 13) { - excp =3D PGM_SPECIFICATION; - } + if ((spec & SPEC_r2_f128) && !is_fp_pair(get_field(&f, r2))) { + excp =3D PGM_SPECIFICATION; } if (excp) { gen_program_exception(s, excp); --=20 2.17.1 From nobody Wed Nov 5 12:34:47 2025 Delivered-To: importer@patchew.org Received-SPF: pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) client-ip=208.118.235.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Authentication-Results: mx.zohomail.com; spf=pass (zoho.com: domain of gnu.org designates 208.118.235.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) by mx.zohomail.com with SMTPS id 1534925359304218.30703620347435; Wed, 22 Aug 2018 01:09:19 -0700 (PDT) Received: from localhost ([::1]:57403 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsOCY-0003It-7I for importer@patchew.org; Wed, 22 Aug 2018 04:09:14 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:34833) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fsOAM-0001qi-2H for qemu-devel@nongnu.org; Wed, 22 Aug 2018 04:07:01 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fsO1n-00016A-KM for qemu-devel@nongnu.org; Wed, 22 Aug 2018 03:58:09 -0400 Received: from mx3-rdu2.redhat.com ([66.187.233.73]:35830 helo=mx1.redhat.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fsO1n-00015z-F8; Wed, 22 Aug 2018 03:58:07 -0400 Received: from smtp.corp.redhat.com (int-mx03.intmail.prod.int.rdu2.redhat.com [10.11.54.3]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 21D9940241C0; Wed, 22 Aug 2018 07:58:07 +0000 (UTC) Received: from t460s.redhat.com (ovpn-116-232.ams2.redhat.com [10.36.116.232]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8BD89104948B; Wed, 22 Aug 2018 07:58:05 +0000 (UTC) From: David Hildenbrand To: qemu-s390x@nongnu.org Date: Wed, 22 Aug 2018 09:57:50 +0200 Message-Id: <20180822075750.12399-9-david@redhat.com> In-Reply-To: <20180822075750.12399-1-david@redhat.com> References: <20180822075750.12399-1-david@redhat.com> X-Scanned-By: MIMEDefang 2.78 on 10.11.54.3 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Wed, 22 Aug 2018 07:58:07 +0000 (UTC) X-Greylist: inspected by milter-greylist-4.5.16 (mx1.redhat.com [10.11.55.7]); Wed, 22 Aug 2018 07:58:07 +0000 (UTC) for IP:'10.11.54.3' DOMAIN:'int-mx03.intmail.prod.int.rdu2.redhat.com' HELO:'smtp.corp.redhat.com' FROM:'david@redhat.com' RCPT:'' X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 66.187.233.73 Subject: [Qemu-devel] [PATCH v1 8/8] s390x/tcg: refactor specification checking X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Thomas Huth , David Hildenbrand , Cornelia Huck , Alexander Graf , qemu-devel@nongnu.org, Richard Henderson Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail: RDMRC_1 RSF_0 Z_629925259 SPT_0 Content-Transfer-Encoding: quoted-printable MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" We can fit this nicely into less LOC, without harming readability. Signed-off-by: David Hildenbrand --- target/s390x/translate.c | 34 ++++++---------------------------- 1 file changed, 6 insertions(+), 28 deletions(-) diff --git a/target/s390x/translate.c b/target/s390x/translate.c index 27d2405ef4..3675da1270 100644 --- a/target/s390x/translate.c +++ b/target/s390x/translate.c @@ -6053,34 +6053,12 @@ static DisasJumpType translate_one(CPUS390XState *e= nv, DisasContext *s) =20 /* Check for insn specification exceptions. */ if (insn->spec) { - int spec =3D insn->spec, excp =3D 0, r; - - if (spec & SPEC_r1_even) { - r =3D get_field(&f, r1); - if (r & 1) { - excp =3D PGM_SPECIFICATION; - } - } - if (spec & SPEC_r2_even) { - r =3D get_field(&f, r2); - if (r & 1) { - excp =3D PGM_SPECIFICATION; - } - } - if (spec & SPEC_r3_even) { - r =3D get_field(&f, r3); - if (r & 1) { - excp =3D PGM_SPECIFICATION; - } - } - if ((spec & SPEC_r1_f128) && !is_fp_pair(get_field(&f, r1))) { - excp =3D PGM_SPECIFICATION; - } - if ((spec & SPEC_r2_f128) && !is_fp_pair(get_field(&f, r2))) { - excp =3D PGM_SPECIFICATION; - } - if (excp) { - gen_program_exception(s, excp); + if (((insn->spec & SPEC_r1_even) && (get_field(&f, r1) & 1)) || + ((insn->spec & SPEC_r2_even) && (get_field(&f, r2) & 1)) || + ((insn->spec & SPEC_r3_even) && (get_field(&f, r3) & 1)) || + ((insn->spec & SPEC_r1_f128) && !is_fp_pair(get_field(&f, r1))= ) || + ((insn->spec & SPEC_r2_f128) && !is_fp_pair(get_field(&f, r2))= )) { + gen_program_exception(s, PGM_SPECIFICATION); return DISAS_NORETURN; } } --=20 2.17.1