{"id":2227825,"url":"http://patchwork.ozlabs.org/api/patches/2227825/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260424102800.24022-5-frank.chang@sifive.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":"","list_archive_url":"","list_archive_url_format":"","commit_url_format":""},"msgid":"<20260424102800.24022-5-frank.chang@sifive.com>","list_archive_url":null,"date":"2026-04-24T10:28:00","name":"[4/4] target/riscv: Expose Zicclsm extension as a CPU property","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"a303f0aff95fc4a1c16e4f315acb6429078410f9","submitter":{"id":79604,"url":"http://patchwork.ozlabs.org/api/people/79604/?format=json","name":"Frank Chang","email":"frank.chang@sifive.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260424102800.24022-5-frank.chang@sifive.com/mbox/","series":[{"id":501338,"url":"http://patchwork.ozlabs.org/api/series/501338/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501338","date":"2026-04-24T10:27:56","name":"Support the true Zicclsm extension","version":1,"mbox":"http://patchwork.ozlabs.org/series/501338/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2227825/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2227825/checks/","tags":{},"related":[],"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=sifive.com header.i=@sifive.com header.a=rsa-sha256\n header.s=google header.b=DLVUqbnh;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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helo=mail-pg1-x530.google.com","X-Spam_score_int":"-20","X-Spam_score":"-2.1","X-Spam_bar":"--","X-Spam_report":"(-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=unavailable 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":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"From: Frank Chang \n\nExpose Zicclsm extension as a CPU property to allow user to turn on/off\nZicclsm extension.\n\nZicclsm is set to true by default to be backward compatible with the old\nRISC-V QEMU design.\n\nSigned-off-by: Frank Chang \nReviewed-by: Max Chou \n---\n target/riscv/cpu.c | 2 ++\n 1 file changed, 2 insertions(+)","diff":"diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c\nindex df56b64a736..7f5e06ef83d 100644\n--- a/target/riscv/cpu.c\n+++ b/target/riscv/cpu.c\n@@ -1327,6 +1327,8 @@ const RISCVCPUMultiExtConfig riscv_cpu_extensions[] = {\n MULTI_EXT_CFG_BOOL(\"zicbop\", ext_zicbop, true),\n MULTI_EXT_CFG_BOOL(\"zicboz\", ext_zicboz, true),\n \n+ MULTI_EXT_CFG_BOOL(\"zicclsm\", ext_zicclsm, true),\n+\n MULTI_EXT_CFG_BOOL(\"zmmul\", ext_zmmul, false),\n \n MULTI_EXT_CFG_BOOL(\"zca\", ext_zca, false),\n","prefixes":["4/4"]}