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GET /api/1.1/patches/2230017/?format=api
{ "id": 2230017, "url": "http://patchwork.ozlabs.org/api/1.1/patches/2230017/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429044752.4176397-38-alistair.francis@wdc.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/1.1/projects/14/?format=api", "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": "" }, "msgid": "<20260429044752.4176397-38-alistair.francis@wdc.com>", "date": "2026-04-29T04:47:38", "name": "[PULL,37/51] target/riscv: tt-ascalon: Add Tenstorrent mvendorid", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "8ab04a5782c36cab4e7a8fe95a7d2411f736174a", "submitter": { "id": 64571, "url": "http://patchwork.ozlabs.org/api/1.1/people/64571/?format=api", "name": "Alistair Francis", "email": "alistair23@gmail.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260429044752.4176397-38-alistair.francis@wdc.com/mbox/", "series": [ { "id": 501983, "url": "http://patchwork.ozlabs.org/api/1.1/series/501983/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=501983", "date": "2026-04-29T04:47:05", "name": "[PULL,01/51] hw/riscv/riscv-iommu: Use standard EN_PRI bit for PRI", "version": 1, "mbox": "http://patchwork.ozlabs.org/series/501983/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2230017/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2230017/checks/", "tags": {}, "headers": { "Return-Path": "<qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org>", "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=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=eu0bVTnI;\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-pl1-x631.google.com", "X-Spam_score_int": "-17", "X-Spam_score": "-1.8", "X-Spam_bar": "-", "X-Spam_report": "(-1.8 / 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 FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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 <qemu-devel.nongnu.org>", "List-Unsubscribe": "<https://lists.nongnu.org/mailman/options/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=unsubscribe>", "List-Archive": "<https://lists.nongnu.org/archive/html/qemu-devel>", "List-Post": "<mailto:qemu-devel@nongnu.org>", "List-Help": "<mailto:qemu-devel-request@nongnu.org?subject=help>", "List-Subscribe": "<https://lists.nongnu.org/mailman/listinfo/qemu-devel>,\n <mailto:qemu-devel-request@nongnu.org?subject=subscribe>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Joel Stanley <joel@jms.id.au>\n\nJEP106 has two vendor IDs for Tenstorrent. We will use Bank 16, company 33:\n\n ((16 - 1) << 7) | 33 = 0x7a1\n\nAs JEP106 requires registration to download, the number can confirmed by\nlooking at the OpenOCD sources[1].\n\nAlternatively, referring to the JEDEC document the hex IDs are listed with the\nparity (MSB) bit added. Company 33 has hex 0xa1:\n\n ((16 - 1) << 7) | (0xa1 & ~0x80) = 0x7a1\n\nAdd it to the Ascalon CPU definition as the mvendorid CSR.\n\n[1] https://github.com/openocd-org/openocd/blob/1ebff3ab33c77e3f8fb4e1ddda262b606b572af1/src/helper/jep106.inc#L1935\n\nSigned-off-by: Joel Stanley <joel@jms.id.au>\nReviewed-by: Daniel Henrique Barboza <daniel.barboza@oss.qualcomm.com>\nReviewed-by: Michael Ellerman <mpe@oss.tenstorrent.com>\nMessage-ID: <20260114020516.982305-1-joel@jms.id.au>\nSigned-off-by: Alistair Francis <alistair.francis@wdc.com>\n---\n target/riscv/cpu_vendorid.h | 2 ++\n target/riscv/cpu.c | 2 ++\n 2 files changed, 4 insertions(+)", "diff": "diff --git a/target/riscv/cpu_vendorid.h b/target/riscv/cpu_vendorid.h\nindex f1ffc66542..751a13aace 100644\n--- a/target/riscv/cpu_vendorid.h\n+++ b/target/riscv/cpu_vendorid.h\n@@ -8,4 +8,6 @@\n #define VEYRON_V1_MIMPID 0x111\n #define VEYRON_V1_MVENDORID 0x61f\n \n+#define TENSTORRENT_VENDOR_ID 0x7a1\n+\n #endif /* TARGET_RISCV_CPU_VENDORID_H */\ndiff --git a/target/riscv/cpu.c b/target/riscv/cpu.c\nindex 38286b6b40..72c6f4f0f1 100644\n--- a/target/riscv/cpu.c\n+++ b/target/riscv/cpu.c\n@@ -3207,6 +3207,8 @@ static const TypeInfo riscv_cpu_type_infos[] = {\n .cfg.ext_svnapot = true,\n .cfg.ext_svpbmt = true,\n \n+ .cfg.mvendorid = TENSTORRENT_VENDOR_ID,\n+\n .cfg.max_satp_mode = VM_1_10_SV57,\n ),\n \n", "prefixes": [ "PULL", "37/51" ] }