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Wed, 7 Aug 2019 09:35:41 +0100 Received: from tpw09926dag18e.domain1.systemhost.net ([fe80::a946:6348:ccf4:fa6c]) by tpw09926dag18e.domain1.systemhost.net ([fe80::a946:6348:ccf4:fa6c%12]) with mapi id 15.00.1395.000; Wed, 7 Aug 2019 09:35:41 +0100 From: To: Thread-Topic: [Qemu-devel] [PATCH v6 26/26] target/sparc: sun4u Invert Endian TTE bit Thread-Index: AQHVTPsYByi6svInOEeTzdAlz34bIw== Date: Wed, 7 Aug 2019 08:35:41 +0000 Message-ID: <1565166941186.41868@bt.com> References: <45ec4924e0b34a3d9124e2db06af75b4@tpw09926dag18e.domain1.systemhost.net> In-Reply-To: <45ec4924e0b34a3d9124e2db06af75b4@tpw09926dag18e.domain1.systemhost.net> Accept-Language: en-AU, en-GB, en-US Content-Language: en-AU X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.187.101.44] MIME-Version: 1.0 Subject: [Xen-devel] [Qemu-devel] [PATCH v6 26/26] target/sparc: sun4u Invert Endian TTE bit X-BeenThere: xen-devel@lists.xenproject.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: Xen developer discussion List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Cc: fam@euphon.net, peter.maydell@linaro.org, walling@linux.ibm.com, cohuck@redhat.com, sagark@eecs.berkeley.edu, david@redhat.com, jasowang@redhat.com, palmer@sifive.com, mark.cave-ayland@ilande.co.uk, i.mitsyanko@gmail.com, keith.busch@intel.com, jcmvbkbc@gmail.com, frederic.konrad@adacore.com, dmitry.fleytman@gmail.com, kraxel@redhat.com, edgar.iglesias@gmail.com, gxt@mprc.pku.edu.cn, pburton@wavecomp.com, xiaoguangrong.eric@gmail.com, peter.chubb@nicta.com.au, philmd@redhat.com, robh@kernel.org, hare@suse.com, sstabellini@kernel.org, berto@igalia.com, chouteau@adacore.com, qemu-block@nongnu.org, arikalo@wavecomp.com, jslaby@suse.cz, deller@gmx.de, mst@redhat.com, magnus.damm@gmail.com, jcd@tribudubois.net, pasic@linux.ibm.com, borntraeger@de.ibm.com, mreitz@redhat.com, hpoussin@reactos.org, joel@jms.id.au, anthony.perard@citrix.com, xen-devel@lists.xenproject.org, david@gibson.dropbear.id.au, lersek@redhat.com, green@moxielogic.com, atar4qemu@gmail.com, antonynpavlov@gmail.com, marex@denx.de, jiri@resnulli.us, ehabkost@redhat.com, minyard@acm.org, qemu-s390x@nongnu.org, sw@weilnetz.de, alistair@alistair23.me, yuval.shaia@oracle.com, b.galvani@gmail.com, eric.auger@redhat.com, alex.williamson@redhat.com, qemu-arm@nongnu.org, jan.kiszka@web.de, clg@kaod.org, stefanha@redhat.com, marcandre.lureau@redhat.com, shorne@gmail.com, jsnow@redhat.com, rth@twiddle.net, kwolf@redhat.com, qemu-riscv@nongnu.org, proljc@gmail.com, pbonzini@redhat.com, andrew@aj.id.au, kbastian@mail.uni-paderborn.de, crwulff@gmail.com, laurent@vivier.eu, Andrew.Baumann@microsoft.com, sundeep.lkml@gmail.com, andrew.smirnov@gmail.com, michael@walle.cc, paul.durrant@citrix.com, qemu-ppc@nongnu.org, huth@tuxfamily.org, amarkovic@wavecomp.com, imammedo@redhat.com, aurelien@aurel32.net, stefanb@linux.ibm.com Errors-To: xen-devel-bounces@lists.xenproject.org Sender: "Xen-devel" X-Virus-Scanned: ClamAV using ClamSMTP This bit configures endianness of PCI MMIO devices. It is used by Solaris and OpenBSD sunhme drivers. Tested working on OpenBSD. Unfortunately Solaris 10 had a unrelated keyboard issue blocking testing... another inch towards Solaris 10 on SPARC64 =) Signed-off-by: Tony Nguyen Reviewed-by: Richard Henderson Tested-by: Mark Cave-Ayland --- target/sparc/cpu.h | 2 ++ target/sparc/mmu_helper.c | 8 +++++++- 2 files changed, 9 insertions(+), 1 deletion(-) -- 1.8.3.1 ? diff --git a/target/sparc/cpu.h b/target/sparc/cpu.h index 1406f0b..c6bafa8 100644 --- a/target/sparc/cpu.h +++ b/target/sparc/cpu.h @@ -275,6 +275,7 @@ enum { #define TTE_VALID_BIT (1ULL << 63) #define TTE_NFO_BIT (1ULL << 60) +#define TTE_IE_BIT (1ULL << 59) #define TTE_USED_BIT (1ULL << 41) #define TTE_LOCKED_BIT (1ULL << 6) #define TTE_SIDEEFFECT_BIT (1ULL << 3) @@ -291,6 +292,7 @@ enum { #define TTE_IS_VALID(tte) ((tte) & TTE_VALID_BIT) #define TTE_IS_NFO(tte) ((tte) & TTE_NFO_BIT) +#define TTE_IS_IE(tte) ((tte) & TTE_IE_BIT) #define TTE_IS_USED(tte) ((tte) & TTE_USED_BIT) #define TTE_IS_LOCKED(tte) ((tte) & TTE_LOCKED_BIT) #define TTE_IS_SIDEEFFECT(tte) ((tte) & TTE_SIDEEFFECT_BIT) diff --git a/target/sparc/mmu_helper.c b/target/sparc/mmu_helper.c index 826e14b..77dc86a 100644 --- a/target/sparc/mmu_helper.c +++ b/target/sparc/mmu_helper.c @@ -537,6 +537,10 @@ static int get_physical_address_data(CPUSPARCState *env, hwaddr *physical, if (ultrasparc_tag_match(&env->dtlb[i], address, context, physical)) { int do_fault = 0; + if (TTE_IS_IE(env->dtlb[i].tte)) { + attrs->byte_swap = true; + } + /* access ok? */ /* multiple bits in SFSR.FT may be set on TT_DFAULT */ if (TTE_IS_PRIV(env->dtlb[i].tte) && is_user) { @@ -792,7 +796,7 @@ void dump_mmu(CPUSPARCState *env) } if (TTE_IS_VALID(env->dtlb[i].tte)) { qemu_printf("[%02u] VA: %" PRIx64 ", PA: %llx" - ", %s, %s, %s, %s, ctx %" PRId64 " %s\n", + ", %s, %s, %s, %s, ie %s, ctx %" PRId64 " %s\n", i, env->dtlb[i].tag & (uint64_t)~0x1fffULL, TTE_PA(env->dtlb[i].tte), @@ -801,6 +805,8 @@ void dump_mmu(CPUSPARCState *env) TTE_IS_W_OK(env->dtlb[i].tte) ? "RW" : "RO", TTE_IS_LOCKED(env->dtlb[i].tte) ? "locked" : "unlocked", + TTE_IS_IE(env->dtlb[i].tte) ? + "yes" : "no", env->dtlb[i].tag & (uint64_t)0x1fffULL, TTE_IS_GLOBAL(env->dtlb[i].tte) ? "global" : "local");