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GET /api/patches/2202568/?format=api
{ "id": 2202568, "url": "http://patchwork.ozlabs.org/api/patches/2202568/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260227203627.932864-34-brian.cain@oss.qualcomm.com/", "project": { "id": 14, "url": "http://patchwork.ozlabs.org/api/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": "", "list_archive_url": "", "list_archive_url_format": "", "commit_url_format": "" }, "msgid": "<20260227203627.932864-34-brian.cain@oss.qualcomm.com>", "list_archive_url": null, "date": "2026-02-27T20:36:23", "name": "[v3,33/37] target/hexagon: Add {TLB, k0}lock, cause code, wait_next_pc", "commit_ref": null, "pull_url": null, "state": "new", "archived": false, "hash": "bb18a1ae479447cd704434b48e1d41fc978983d2", "submitter": { "id": 89839, "url": "http://patchwork.ozlabs.org/api/people/89839/?format=api", "name": "Brian Cain", "email": "brian.cain@oss.qualcomm.com" }, "delegate": null, "mbox": "http://patchwork.ozlabs.org/project/qemu-devel/patch/20260227203627.932864-34-brian.cain@oss.qualcomm.com/mbox/", "series": [ { "id": 493813, "url": "http://patchwork.ozlabs.org/api/series/493813/?format=api", "web_url": "http://patchwork.ozlabs.org/project/qemu-devel/list/?series=493813", "date": "2026-02-27T20:35:57", "name": "Hexagon system emulation - Part 1/3", "version": 3, "mbox": "http://patchwork.ozlabs.org/series/493813/mbox/" } ], "comments": "http://patchwork.ozlabs.org/api/patches/2202568/comments/", "check": "pending", "checks": "http://patchwork.ozlabs.org/api/patches/2202568/checks/", "tags": {}, "related": [], "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=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=qualcomm.com header.i=@qualcomm.com header.a=rsa-sha256\n header.s=qcppdkim1 header.b=RUzEBe18;\n\tdkim=fail reason=\"signature verification failed\" (2048-bit key;\n unprotected) header.d=oss.qualcomm.com header.i=@oss.qualcomm.com\n header.a=rsa-sha256 header.s=google header.b=EeB+avTr;\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=mx0b-0031df01.pphosted.com", "X-Spam_score_int": "-16", "X-Spam_score": "-1.7", "X-Spam_bar": "-", "X-Spam_report": "(-1.7 / 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_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.706,\n RCVD_IN_VALIDITY_RPBL_BLOCKED=0.401, SPF_HELO_NONE=0.001,\n SPF_PASS=-0.001 autolearn=no 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>", "Reply-to": "Brian Cain <brian.cain@oss.qualcomm.com>", "From": "Brian Cain via qemu development <qemu-devel@nongnu.org>", "Errors-To": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org", "Sender": "qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org" }, "content": "From: Brian Cain <bcain@quicinc.com>\n\n{TLB,k0}lock counts are used to represent the TLB, k0 locks among\nhardware threads.\n\nwait_next_pc represents the program counter to set when resuming from\na wait-for-interrupts state.\n\ncause_code contains the precise exception cause.This will be used by\nsubsequent commits.\n\nReviewed-by: Taylor Simpson <ltaylorsimpson@gmail.com>\nSigned-off-by: Brian Cain <brian.cain@oss.qualcomm.com>\n---\n target/hexagon/cpu.h | 3 +++\n target/hexagon/cpu.c | 4 ++++\n target/hexagon/machine.c | 2 ++\n 3 files changed, 9 insertions(+)", "diff": "diff --git a/target/hexagon/cpu.h b/target/hexagon/cpu.h\nindex e1c654dc93e..41865d853eb 100644\n--- a/target/hexagon/cpu.h\n+++ b/target/hexagon/cpu.h\n@@ -130,11 +130,14 @@ typedef struct CPUArchState {\n target_ulong t_sreg[NUM_SREGS];\n \n target_ulong greg[NUM_GREGS];\n+ target_ulong wait_next_pc;\n \n /* This alias of CPUState.cpu_index is used by imported sources: */\n target_ulong threadId;\n hex_lock_state_t tlb_lock_state;\n hex_lock_state_t k0_lock_state;\n+ target_ulong tlb_lock_count;\n+ target_ulong k0_lock_count;\n #endif\n target_ulong next_PC;\n target_ulong new_value_usr;\ndiff --git a/target/hexagon/cpu.c b/target/hexagon/cpu.c\nindex a8904b651ac..7469d8a1966 100644\n--- a/target/hexagon/cpu.c\n+++ b/target/hexagon/cpu.c\n@@ -317,7 +317,11 @@ static void hexagon_cpu_reset_hold(Object *obj, ResetType type)\n env->threadId = cs->cpu_index;\n env->tlb_lock_state = HEX_LOCK_UNLOCKED;\n env->k0_lock_state = HEX_LOCK_UNLOCKED;\n+ env->tlb_lock_count = 0;\n+ env->k0_lock_count = 0;\n env->next_PC = 0;\n+ env->wait_next_pc = 0;\n+ env->cause_code = HEX_EVENT_NONE;\n #endif\n env->cause_code = HEX_EVENT_NONE;\n }\ndiff --git a/target/hexagon/machine.c b/target/hexagon/machine.c\nindex e6e420b9899..78152184569 100644\n--- a/target/hexagon/machine.c\n+++ b/target/hexagon/machine.c\n@@ -24,6 +24,8 @@ const VMStateDescription vmstate_hexagon_cpu = {\n VMSTATE_UINTTL(env.tlb_lock_count, HexagonCPU),\n VMSTATE_UINTTL(env.k0_lock_count, HexagonCPU),\n VMSTATE_UINTTL(env.threadId, HexagonCPU),\n+ VMSTATE_UINTTL(env.cause_code, HexagonCPU),\n+ VMSTATE_UINTTL(env.wait_next_pc, HexagonCPU),\n VMSTATE_END_OF_LIST()\n },\n };\n", "prefixes": [ "v3", "33/37" ] }