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Thu, 1 Jun 2023 12:13:31 +0000 (GMT) From: Frederic Barrat To: clg@kaod.org, danielhb413@gmail.com, qemu-ppc@nongnu.org, qemu-devel@nongnu.org Subject: [PATCH v2 1/5] pnv/xive2: Add definition for TCTXT Config register Date: Thu, 1 Jun 2023 14:13:27 +0200 Message-Id: <20230601121331.487207-2-fbarrat@linux.ibm.com> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230601121331.487207-1-fbarrat@linux.ibm.com> References: <20230601121331.487207-1-fbarrat@linux.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-TM-AS-GCONF: 00 X-Proofpoint-GUID: -CQ_yegQDlzlznB041pQC903sbvljzO5 X-Proofpoint-ORIG-GUID: W6sbWzzN4emHeaPDmp-_3n7FR9eW792I X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.254,Aquarius:18.0.957,Hydra:6.0.573,FMLib:17.11.176.26 definitions=2023-06-01_08,2023-05-31_03,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 phishscore=0 clxscore=1015 malwarescore=0 suspectscore=0 bulkscore=0 mlxscore=0 adultscore=0 priorityscore=1501 impostorscore=0 lowpriorityscore=0 mlxlogscore=999 spamscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2304280000 definitions=main-2306010107 Received-SPF: pass client-ip=148.163.158.5; envelope-from=fbarrat@linux.ibm.com; helo=mx0b-001b2d01.pphosted.com X-Spam_score_int: -19 X-Spam_score: -2.0 X-Spam_bar: -- X-Spam_report: (-2.0 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 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: 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 Add basic read/write support for the TCTXT Config register on P10. qemu doesn't do anything with it yet, but it avoids logging a guest error when skiboot configures the fused-core state: qemu-system-ppc64 -machine powernv10 ... -d guest_errors ... [ 0.131670000,5] XIVE: [ IC 00 ] Initializing XIVE block ID 0... XIVE[0] - TCTXT: invalid read @140 XIVE[0] - TCTXT: invalid write @140 Signed-off-by: Frederic Barrat Reviewed-by: Cédric Le Goater --- hw/intc/pnv_xive2.c | 8 +++++++- hw/intc/pnv_xive2_regs.h | 4 ++++ 2 files changed, 11 insertions(+), 1 deletion(-) diff --git a/hw/intc/pnv_xive2.c b/hw/intc/pnv_xive2.c index e688381536..f0817a124f 100644 --- a/hw/intc/pnv_xive2.c +++ b/hw/intc/pnv_xive2.c @@ -1269,6 +1269,9 @@ static uint64_t pnv_xive2_ic_tctxt_read(void *opaque, hwaddr offset, case TCTXT_EN1_RESET: val = xive->tctxt_regs[TCTXT_EN1 >> 3]; break; + case TCTXT_CFG: + val = xive->tctxt_regs[reg]; + break; default: xive2_error(xive, "TCTXT: invalid read @%"HWADDR_PRIx, offset); } @@ -1280,6 +1283,7 @@ static void pnv_xive2_ic_tctxt_write(void *opaque, hwaddr offset, uint64_t val, unsigned size) { PnvXive2 *xive = PNV_XIVE2(opaque); + uint32_t reg = offset >> 3; switch (offset) { /* @@ -1301,7 +1305,9 @@ static void pnv_xive2_ic_tctxt_write(void *opaque, hwaddr offset, case TCTXT_EN1_RESET: xive->tctxt_regs[TCTXT_EN1 >> 3] &= ~val; break; - + case TCTXT_CFG: + xive->tctxt_regs[reg] = val; + break; default: xive2_error(xive, "TCTXT: invalid write @%"HWADDR_PRIx, offset); return; diff --git a/hw/intc/pnv_xive2_regs.h b/hw/intc/pnv_xive2_regs.h index 0c096e4adb..8f1e0a1fde 100644 --- a/hw/intc/pnv_xive2_regs.h +++ b/hw/intc/pnv_xive2_regs.h @@ -405,6 +405,10 @@ #define X_TCTXT_EN1_RESET 0x307 #define TCTXT_EN1_RESET 0x038 +/* TCTXT Config register */ +#define X_TCTXT_CFG 0x328 +#define TCTXT_CFG 0x140 + /* * VSD Tables */ -- 2.40.1