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Date: Wed, 26 Aug 2026 10:38:39 +0530 Message-ID: <20260826050923.74756-14-rathc@linux.ibm.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260826050923.74756-1-rathc@linux.ibm.com> References: <20260826050923.74756-1-rathc@linux.ibm.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-Reinject: loops=2 maxloops=12 X-Proofpoint-GUID: LUtQBMr8kjCSMSUiCEir1Zb4lQHPzcm2 X-Proofpoint-ORIG-GUID: 144rXFXgbf0mmWhIbAX3gmZmjed-5uyO X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwODI2MDA0MCBTYWx0ZWRfX9vF1YyZhCM8i KHGDH0oaFqgSjp0SRUvDSEvPLQiA47jzrJH+/B5xAh/Kde6TG4jYHnEGfRKJuxIs7lom/DQnjug 11SkjR8t3h2Dl0vwjBoEVMT/jZ4mQl+ilpUwmLfTZ2UyHDBeoHOa3YJ9kqy/WzhOEJY/Zy7Jtvm y4iA/DT48TTbwUY1JWSg91p20Vk30b4CHeUIiSwBOi+vQ+97IBG66Ni0S1cpX3c5vvc59rh60w2 A7sm2LTpujPzWTICXS4+6M+9bA7FRdxg3Stq5aTTzYKFFoPAOvcq+Hy1Q0KmRn+YKmLIvVpPiTX s3vJP7mBtTleBxScfqyfmXjWOGxhOeoTurkZJc0so/1bZqvpZosJYV9E+p5+gCS8oADzDZMfW3C ZF/cuFA82NQ6zxj2b7W97dO4BFHGAIrTSvjJdUDuUlc4DIjAXoBxzoXe4Dmk68NlSf7QCVsbUu1 bNWiDZwLy09hL1cG1Dw== X-Authority-Analysis: v=2.4 cv=QsRuG1yd c=1 sm=1 tr=0 ts=6a8e756c cx=c_pps a=5BHTudwdYE3Te8bg5FgnPg==:117 a=5BHTudwdYE3Te8bg5FgnPg==:17 a=Sv0fKeRqtYgA:10 a=VkNPw1HP01LnGYTKEx00:22 a=RnoormkPH1_aCDwRdu11:22 a=uAbxVGIbfxUO_5tXvNgY:22 a=VnNF1IyMAAAA:8 a=3RUvYVtxcIq7NUn8s_cA:9 X-Proofpoint-Spam-Info: AW1haW4tMjYwODI2MDA0MCBTYWx0ZWRfX0datzeBx+sOU VfdO+hESOnqZwH4+gDfR0ThCYj3d6sjIhqRxJg/DS6+E5nD3DZFLaKQa+oqjTyt4PDDEjhqLCzu ZqY9ZTxk1YxOSlQ+FevgEiTJvZsl4V0= X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1176,Hydra:6.1.134,FMLib:17.12.100.49 definitions=2026-08-26_01,2026-08-24_01,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 adultscore=0 suspectscore=0 priorityscore=1501 impostorscore=0 spamscore=0 lowpriorityscore=0 clxscore=1015 bulkscore=0 phishscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606150000 definitions=main-2608260040 Received-SPF: pass client-ip=148.163.156.1; envelope-from=rathc@linux.ibm.com; helo=mx0a-001b2d01.pphosted.com X-Spam_score_int: -26 X-Spam_score: -2.7 X-Spam_bar: -- X-Spam_report: (-2.7 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: qemu development List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Ojaswin Mujoo Moving the following instructions to decodetree specification : isync The changes were verified by validating that the tcg ops generated by those instructions remain the same, which were captured with the '-d in_asm,op' flag. Signed-off-by: Ojaswin Mujoo Reviewed-by: Nikhil Kumar Singh Reviewed-by: Glenn Miles Signed-off-by: Chinmay Rath --- target/ppc/insn32.decode | 1 + target/ppc/translate.c | 15 --------------- target/ppc/translate/storage-ctrl-impl.c.inc | 17 +++++++++++++++++ 3 files changed, 18 insertions(+), 15 deletions(-) diff --git a/target/ppc/insn32.decode b/target/ppc/insn32.decode index a1c2f549bd..91ece88a70 100644 --- a/target/ppc/insn32.decode +++ b/target/ppc/insn32.decode @@ -1472,6 +1472,7 @@ MSGSYNC 011111 ----- ----- ----- 1101110110 - @X_sync ...... .. l:3 ... sc:2 ..... .......... . &X_sync SYNC 011111 -- ... --- .. ----- 1001010110 - @X_sync EIEIO 011111 ----- ----- ----- 1101010110 - +ISYNC 010011 ----- ----- ----- 0010010110 - # Condition Register Field Instruction diff --git a/target/ppc/translate.c b/target/ppc/translate.c index 179cb69dc5..a31cda4490 100644 --- a/target/ppc/translate.c +++ b/target/ppc/translate.c @@ -2727,20 +2727,6 @@ static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) static inline void gen_check_tlb_flush(DisasContext *ctx, bool global) { } #endif -/* isync */ -static void gen_isync(DisasContext *ctx) -{ - /* - * We need to check for a pending TLB flush. This can only happen in - * kernel mode however so check MSR_PR - */ - if (!ctx->pr) { - gen_check_tlb_flush(ctx, false); - } - tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); - ctx->base.is_jmp = DISAS_EXIT_UPDATE; -} - /* wait */ static void gen_wait(DisasContext *ctx) { @@ -5377,7 +5363,6 @@ GEN_HANDLER(lswi, 0x1F, 0x15, 0x12, 0x00000001, PPC_STRING), GEN_HANDLER(lswx, 0x1F, 0x15, 0x10, 0x00000001, PPC_STRING), GEN_HANDLER(stswi, 0x1F, 0x15, 0x16, 0x00000001, PPC_STRING), GEN_HANDLER(stswx, 0x1F, 0x15, 0x14, 0x00000001, PPC_STRING), -GEN_HANDLER(isync, 0x13, 0x16, 0x04, 0x03FFF801, PPC_MEM), /* ISA v3.0 changed the extended opcode from 62 to 30 */ GEN_HANDLER(wait, 0x1F, 0x1E, 0x01, 0x039FF801, PPC_WAIT), GEN_HANDLER_E(wait, 0x1F, 0x1E, 0x00, 0x039CF801, PPC_NONE, PPC2_ISA300), diff --git a/target/ppc/translate/storage-ctrl-impl.c.inc b/target/ppc/translate/storage-ctrl-impl.c.inc index b8b4454663..943229c438 100644 --- a/target/ppc/translate/storage-ctrl-impl.c.inc +++ b/target/ppc/translate/storage-ctrl-impl.c.inc @@ -155,6 +155,23 @@ static bool trans_SLBFEE(DisasContext *ctx, arg_SLBFEE *a) return true; } +static bool trans_ISYNC(DisasContext *ctx, arg_ISYNC *a) +{ + REQUIRE_INSNS_FLAGS(ctx, MEM); + + /* + * We need to check for a pending TLB flush. This can only happen in + * kernel mode however so check MSR_PR + */ + if (!ctx->pr) { + gen_check_tlb_flush(ctx, false); + } + tcg_gen_mb(TCG_MO_ALL | TCG_BAR_SC); + ctx->base.is_jmp = DISAS_EXIT_UPDATE; + + return true; +} + static bool trans_SLBSYNC(DisasContext *ctx, arg_SLBSYNC *a) { REQUIRE_64BIT(ctx); -- 2.55.0