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Tue, 14 Oct 2025 06:29:16 -0700 (PDT) X-Google-Smtp-Source: AGHT+IGgHpD3womp2Ze4ODqQCI6bpVwW027m8ZAp+GEQyM47CKsiJMJJKOla3TLcBeEAkgoEYmRdnw== X-Received: by 2002:a17:902:fa0e:b0:28e:cbbd:975f with SMTP id d9443c01a7336-28ecbbd9928mr211852405ad.1.1760448555655; Tue, 14 Oct 2025 06:29:15 -0700 (PDT) From: Brian Cain To: qemu-devel@nongnu.org Cc: brian.cain@oss.qualcomm.com, richard.henderson@linaro.org, philmd@linaro.org, matheus.bernardino@oss.qualcomm.com, ale@rev.ng, anjo@rev.ng, marco.liebel@oss.qualcomm.com, ltaylorsimpson@gmail.com, alex.bennee@linaro.org, quic_mburton@quicinc.com, sid.manning@oss.qualcomm.com, =?UTF-8?q?Alex=20R=C3=B8nne=20Petersen?= , Laurent Vivier Subject: [PATCH v3 1/4] linux-user/hexagon: Fix sigcontext Date: Tue, 14 Oct 2025 06:29:04 -0700 Message-Id: <20251014132907.3268743-2-brian.cain@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20251014132907.3268743-1-brian.cain@oss.qualcomm.com> References: <20251014132907.3268743-1-brian.cain@oss.qualcomm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-ORIG-GUID: 50dLqW7vX4xcR3GFHAF8peAgUhcaqoLB X-Authority-Analysis: v=2.4 cv=MrNfKmae c=1 sm=1 tr=0 ts=68ee502e cx=c_pps a=JL+w9abYAAE89/QcEU+0QA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=x6icFKpwvdMA:10 a=VkNPw1HP01LnGYTKEx00:22 a=Z3Pf_jetAAAA:8 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=xdaGQENHFgu-g-JqPgkA:9 a=QEXdDO2ut3YA:10 a=324X-CrmTo6CU4MGRt3R:22 a=yHs3G5endCJexrGSZ2Xt:22 X-Proofpoint-GUID: 50dLqW7vX4xcR3GFHAF8peAgUhcaqoLB X-Proofpoint-Spam-Details-Enc: AW1haW4tMjUxMDExMDAxOCBTYWx0ZWRfX3qpLMSALBstb V8R/q0BLA3A2SARtjr7NUKfKxlmS3SIrM2K5KiF4WKXQ1uRHiPlc4D88iQmIQ185V/pRkx+HMQb t/x/oSv38RhFCSL6DCT+ZQTDTu+o3PCKVwt5OgBCM054QJHbIfTGL4HDkNVV3O7tgA6ZoIr9v3t X9aYjITRsee56R6DjigZ4zNy2KOL/cXYoNQsNe5qsRxCvN6gOofUCnrUuDyqpQuUQ0lkH4I6W3a 4eqwBv4D7WKX209PZu2Hqfn84JRIIXQL/u/nW/HPvOr+xSNWXlJU91jS22zHxFvryUQ6IrGktex yddV9v4KBkX6d3f3MgZ4hAuTv/Dh+KS68oH2lkycfNt958sDgx3WgcsYbyiwn+c6LkfZXnCoZ58 4fjYx348xtziKF8mMLnaGF4J6NcFsw== X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1121,Hydra:6.1.9,FMLib:17.12.80.40 definitions=2025-10-14_02,2025-10-13_01,2025-03-28_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 spamscore=0 bulkscore=0 clxscore=1015 adultscore=0 phishscore=0 impostorscore=0 priorityscore=1501 malwarescore=0 lowpriorityscore=0 suspectscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.19.0-2510020000 definitions=main-2510110018 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.180.131; envelope-from=brian.cain@oss.qualcomm.com; helo=mx0b-0031df01.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_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1760448618112158500 Content-Type: text/plain; charset="utf-8" In order to correspond with the kernel, we've now (1) moved the preds[] to the right offset and combined the representation as a single ulong "p3_0", (2), added the cs{0,1} registers, (3) added a pad for 48 words, (4) added the user regs structure to an 8-byte aligned target_sigcontext structure. Co-authored-by: Alex R=C3=B8nne Petersen Reviewed-by: Taylor Simpson Signed-off-by: Brian Cain --- linux-user/hexagon/signal.c | 209 ++++++++++++++++++++---------------- 1 file changed, 117 insertions(+), 92 deletions(-) diff --git a/linux-user/hexagon/signal.c b/linux-user/hexagon/signal.c index 492b51f155..2847952216 100644 --- a/linux-user/hexagon/signal.c +++ b/linux-user/hexagon/signal.c @@ -23,7 +23,7 @@ #include "signal-common.h" #include "linux-user/trace.h" =20 -struct target_sigcontext { +struct target_user_regs_struct { target_ulong r0, r1, r2, r3; target_ulong r4, r5, r6, r7; target_ulong r8, r9, r10, r11; @@ -39,14 +39,23 @@ struct target_sigcontext { target_ulong m0; target_ulong m1; target_ulong usr; + target_ulong p3_0; target_ulong gp; target_ulong ugp; target_ulong pc; target_ulong cause; target_ulong badva; - target_ulong pred[NUM_PREGS]; + target_ulong cs0; + target_ulong cs1; + target_ulong pad1; /* pad to 48 words */ }; =20 +QEMU_BUILD_BUG_ON(sizeof(struct target_user_regs_struct) !=3D 48 * 4); + +struct target_sigcontext { + struct target_user_regs_struct sc_regs; +} QEMU_ALIGNED(8); + struct target_ucontext { unsigned long uc_flags; target_ulong uc_link; /* target pointer */ @@ -76,53 +85,63 @@ static abi_ulong get_sigframe(struct target_sigaction *= ka, =20 static void setup_sigcontext(struct target_sigcontext *sc, CPUHexagonState= *env) { - __put_user(env->gpr[HEX_REG_R00], &sc->r0); - __put_user(env->gpr[HEX_REG_R01], &sc->r1); - __put_user(env->gpr[HEX_REG_R02], &sc->r2); - __put_user(env->gpr[HEX_REG_R03], &sc->r3); - __put_user(env->gpr[HEX_REG_R04], &sc->r4); - __put_user(env->gpr[HEX_REG_R05], &sc->r5); - __put_user(env->gpr[HEX_REG_R06], &sc->r6); - __put_user(env->gpr[HEX_REG_R07], &sc->r7); - __put_user(env->gpr[HEX_REG_R08], &sc->r8); - __put_user(env->gpr[HEX_REG_R09], &sc->r9); - __put_user(env->gpr[HEX_REG_R10], &sc->r10); - __put_user(env->gpr[HEX_REG_R11], &sc->r11); - __put_user(env->gpr[HEX_REG_R12], &sc->r12); - __put_user(env->gpr[HEX_REG_R13], &sc->r13); - __put_user(env->gpr[HEX_REG_R14], &sc->r14); - __put_user(env->gpr[HEX_REG_R15], &sc->r15); - __put_user(env->gpr[HEX_REG_R16], &sc->r16); - __put_user(env->gpr[HEX_REG_R17], &sc->r17); - __put_user(env->gpr[HEX_REG_R18], &sc->r18); - __put_user(env->gpr[HEX_REG_R19], &sc->r19); - __put_user(env->gpr[HEX_REG_R20], &sc->r20); - __put_user(env->gpr[HEX_REG_R21], &sc->r21); - __put_user(env->gpr[HEX_REG_R22], &sc->r22); - __put_user(env->gpr[HEX_REG_R23], &sc->r23); - __put_user(env->gpr[HEX_REG_R24], &sc->r24); - __put_user(env->gpr[HEX_REG_R25], &sc->r25); - __put_user(env->gpr[HEX_REG_R26], &sc->r26); - __put_user(env->gpr[HEX_REG_R27], &sc->r27); - __put_user(env->gpr[HEX_REG_R28], &sc->r28); - __put_user(env->gpr[HEX_REG_R29], &sc->r29); - __put_user(env->gpr[HEX_REG_R30], &sc->r30); - __put_user(env->gpr[HEX_REG_R31], &sc->r31); - __put_user(env->gpr[HEX_REG_SA0], &sc->sa0); - __put_user(env->gpr[HEX_REG_LC0], &sc->lc0); - __put_user(env->gpr[HEX_REG_SA1], &sc->sa1); - __put_user(env->gpr[HEX_REG_LC1], &sc->lc1); - __put_user(env->gpr[HEX_REG_M0], &sc->m0); - __put_user(env->gpr[HEX_REG_M1], &sc->m1); - __put_user(env->gpr[HEX_REG_USR], &sc->usr); - __put_user(env->gpr[HEX_REG_GP], &sc->gp); - __put_user(env->gpr[HEX_REG_UGP], &sc->ugp); - __put_user(env->gpr[HEX_REG_PC], &sc->pc); + target_ulong preds =3D 0; =20 - int i; - for (i =3D 0; i < NUM_PREGS; i++) { - __put_user(env->pred[i], &(sc->pred[i])); + __put_user(env->gpr[HEX_REG_R00], &sc->sc_regs.r0); + __put_user(env->gpr[HEX_REG_R01], &sc->sc_regs.r1); + __put_user(env->gpr[HEX_REG_R02], &sc->sc_regs.r2); + __put_user(env->gpr[HEX_REG_R03], &sc->sc_regs.r3); + __put_user(env->gpr[HEX_REG_R04], &sc->sc_regs.r4); + __put_user(env->gpr[HEX_REG_R05], &sc->sc_regs.r5); + __put_user(env->gpr[HEX_REG_R06], &sc->sc_regs.r6); + __put_user(env->gpr[HEX_REG_R07], &sc->sc_regs.r7); + __put_user(env->gpr[HEX_REG_R08], &sc->sc_regs.r8); + __put_user(env->gpr[HEX_REG_R09], &sc->sc_regs.r9); + __put_user(env->gpr[HEX_REG_R10], &sc->sc_regs.r10); + __put_user(env->gpr[HEX_REG_R11], &sc->sc_regs.r11); + __put_user(env->gpr[HEX_REG_R12], &sc->sc_regs.r12); + __put_user(env->gpr[HEX_REG_R13], &sc->sc_regs.r13); + __put_user(env->gpr[HEX_REG_R14], &sc->sc_regs.r14); + __put_user(env->gpr[HEX_REG_R15], &sc->sc_regs.r15); + __put_user(env->gpr[HEX_REG_R16], &sc->sc_regs.r16); + __put_user(env->gpr[HEX_REG_R17], &sc->sc_regs.r17); + __put_user(env->gpr[HEX_REG_R18], &sc->sc_regs.r18); + __put_user(env->gpr[HEX_REG_R19], &sc->sc_regs.r19); + __put_user(env->gpr[HEX_REG_R20], &sc->sc_regs.r20); + __put_user(env->gpr[HEX_REG_R21], &sc->sc_regs.r21); + __put_user(env->gpr[HEX_REG_R22], &sc->sc_regs.r22); + __put_user(env->gpr[HEX_REG_R23], &sc->sc_regs.r23); + __put_user(env->gpr[HEX_REG_R24], &sc->sc_regs.r24); + __put_user(env->gpr[HEX_REG_R25], &sc->sc_regs.r25); + __put_user(env->gpr[HEX_REG_R26], &sc->sc_regs.r26); + __put_user(env->gpr[HEX_REG_R27], &sc->sc_regs.r27); + __put_user(env->gpr[HEX_REG_R28], &sc->sc_regs.r28); + __put_user(env->gpr[HEX_REG_R29], &sc->sc_regs.r29); + __put_user(env->gpr[HEX_REG_R30], &sc->sc_regs.r30); + __put_user(env->gpr[HEX_REG_R31], &sc->sc_regs.r31); + __put_user(env->gpr[HEX_REG_SA0], &sc->sc_regs.sa0); + __put_user(env->gpr[HEX_REG_LC0], &sc->sc_regs.lc0); + __put_user(env->gpr[HEX_REG_SA1], &sc->sc_regs.sa1); + __put_user(env->gpr[HEX_REG_LC1], &sc->sc_regs.lc1); + __put_user(env->gpr[HEX_REG_M0], &sc->sc_regs.m0); + __put_user(env->gpr[HEX_REG_M1], &sc->sc_regs.m1); + __put_user(env->gpr[HEX_REG_USR], &sc->sc_regs.usr); + __put_user(env->gpr[HEX_REG_GP], &sc->sc_regs.gp); + __put_user(env->gpr[HEX_REG_UGP], &sc->sc_regs.ugp); + __put_user(env->gpr[HEX_REG_PC], &sc->sc_regs.pc); + + /* Consolidate predicates into p3_0 */ + for (int i =3D 0; i < NUM_PREGS; i++) { + preds |=3D (env->pred[i] & 0xff) << (i * 8); } + __put_user(preds, &sc->sc_regs.p3_0); + + /* Set cause and badva to 0 - these are set by kernel on exceptions */ + __put_user(0, &sc->sc_regs.cause); + __put_user(0, &sc->sc_regs.badva); + + __put_user(env->gpr[HEX_REG_CS0], &sc->sc_regs.cs0); + __put_user(env->gpr[HEX_REG_CS1], &sc->sc_regs.cs1); } =20 static void setup_ucontext(struct target_ucontext *uc, @@ -192,53 +211,59 @@ badframe: static void restore_sigcontext(CPUHexagonState *env, struct target_sigcontext *sc) { - __get_user(env->gpr[HEX_REG_R00], &sc->r0); - __get_user(env->gpr[HEX_REG_R01], &sc->r1); - __get_user(env->gpr[HEX_REG_R02], &sc->r2); - __get_user(env->gpr[HEX_REG_R03], &sc->r3); - __get_user(env->gpr[HEX_REG_R04], &sc->r4); - __get_user(env->gpr[HEX_REG_R05], &sc->r5); - __get_user(env->gpr[HEX_REG_R06], &sc->r6); - __get_user(env->gpr[HEX_REG_R07], &sc->r7); - __get_user(env->gpr[HEX_REG_R08], &sc->r8); - __get_user(env->gpr[HEX_REG_R09], &sc->r9); - __get_user(env->gpr[HEX_REG_R10], &sc->r10); - __get_user(env->gpr[HEX_REG_R11], &sc->r11); - __get_user(env->gpr[HEX_REG_R12], &sc->r12); - __get_user(env->gpr[HEX_REG_R13], &sc->r13); - __get_user(env->gpr[HEX_REG_R14], &sc->r14); - __get_user(env->gpr[HEX_REG_R15], &sc->r15); - __get_user(env->gpr[HEX_REG_R16], &sc->r16); - __get_user(env->gpr[HEX_REG_R17], &sc->r17); - __get_user(env->gpr[HEX_REG_R18], &sc->r18); - __get_user(env->gpr[HEX_REG_R19], &sc->r19); - __get_user(env->gpr[HEX_REG_R20], &sc->r20); - __get_user(env->gpr[HEX_REG_R21], &sc->r21); - __get_user(env->gpr[HEX_REG_R22], &sc->r22); - __get_user(env->gpr[HEX_REG_R23], &sc->r23); - __get_user(env->gpr[HEX_REG_R24], &sc->r24); - __get_user(env->gpr[HEX_REG_R25], &sc->r25); - __get_user(env->gpr[HEX_REG_R26], &sc->r26); - __get_user(env->gpr[HEX_REG_R27], &sc->r27); - __get_user(env->gpr[HEX_REG_R28], &sc->r28); - __get_user(env->gpr[HEX_REG_R29], &sc->r29); - __get_user(env->gpr[HEX_REG_R30], &sc->r30); - __get_user(env->gpr[HEX_REG_R31], &sc->r31); - __get_user(env->gpr[HEX_REG_SA0], &sc->sa0); - __get_user(env->gpr[HEX_REG_LC0], &sc->lc0); - __get_user(env->gpr[HEX_REG_SA1], &sc->sa1); - __get_user(env->gpr[HEX_REG_LC1], &sc->lc1); - __get_user(env->gpr[HEX_REG_M0], &sc->m0); - __get_user(env->gpr[HEX_REG_M1], &sc->m1); - __get_user(env->gpr[HEX_REG_USR], &sc->usr); - __get_user(env->gpr[HEX_REG_GP], &sc->gp); - __get_user(env->gpr[HEX_REG_UGP], &sc->ugp); - __get_user(env->gpr[HEX_REG_PC], &sc->pc); + target_ulong preds; =20 - int i; - for (i =3D 0; i < NUM_PREGS; i++) { - __get_user(env->pred[i], &(sc->pred[i])); + __get_user(env->gpr[HEX_REG_R00], &sc->sc_regs.r0); + __get_user(env->gpr[HEX_REG_R01], &sc->sc_regs.r1); + __get_user(env->gpr[HEX_REG_R02], &sc->sc_regs.r2); + __get_user(env->gpr[HEX_REG_R03], &sc->sc_regs.r3); + __get_user(env->gpr[HEX_REG_R04], &sc->sc_regs.r4); + __get_user(env->gpr[HEX_REG_R05], &sc->sc_regs.r5); + __get_user(env->gpr[HEX_REG_R06], &sc->sc_regs.r6); + __get_user(env->gpr[HEX_REG_R07], &sc->sc_regs.r7); + __get_user(env->gpr[HEX_REG_R08], &sc->sc_regs.r8); + __get_user(env->gpr[HEX_REG_R09], &sc->sc_regs.r9); + __get_user(env->gpr[HEX_REG_R10], &sc->sc_regs.r10); + __get_user(env->gpr[HEX_REG_R11], &sc->sc_regs.r11); + __get_user(env->gpr[HEX_REG_R12], &sc->sc_regs.r12); + __get_user(env->gpr[HEX_REG_R13], &sc->sc_regs.r13); + __get_user(env->gpr[HEX_REG_R14], &sc->sc_regs.r14); + __get_user(env->gpr[HEX_REG_R15], &sc->sc_regs.r15); + __get_user(env->gpr[HEX_REG_R16], &sc->sc_regs.r16); + __get_user(env->gpr[HEX_REG_R17], &sc->sc_regs.r17); + __get_user(env->gpr[HEX_REG_R18], &sc->sc_regs.r18); + __get_user(env->gpr[HEX_REG_R19], &sc->sc_regs.r19); + __get_user(env->gpr[HEX_REG_R20], &sc->sc_regs.r20); + __get_user(env->gpr[HEX_REG_R21], &sc->sc_regs.r21); + __get_user(env->gpr[HEX_REG_R22], &sc->sc_regs.r22); + __get_user(env->gpr[HEX_REG_R23], &sc->sc_regs.r23); + __get_user(env->gpr[HEX_REG_R24], &sc->sc_regs.r24); + __get_user(env->gpr[HEX_REG_R25], &sc->sc_regs.r25); + __get_user(env->gpr[HEX_REG_R26], &sc->sc_regs.r26); + __get_user(env->gpr[HEX_REG_R27], &sc->sc_regs.r27); + __get_user(env->gpr[HEX_REG_R28], &sc->sc_regs.r28); + __get_user(env->gpr[HEX_REG_R29], &sc->sc_regs.r29); + __get_user(env->gpr[HEX_REG_R30], &sc->sc_regs.r30); + __get_user(env->gpr[HEX_REG_R31], &sc->sc_regs.r31); + __get_user(env->gpr[HEX_REG_SA0], &sc->sc_regs.sa0); + __get_user(env->gpr[HEX_REG_LC0], &sc->sc_regs.lc0); + __get_user(env->gpr[HEX_REG_SA1], &sc->sc_regs.sa1); + __get_user(env->gpr[HEX_REG_LC1], &sc->sc_regs.lc1); + __get_user(env->gpr[HEX_REG_M0], &sc->sc_regs.m0); + __get_user(env->gpr[HEX_REG_M1], &sc->sc_regs.m1); + __get_user(env->gpr[HEX_REG_USR], &sc->sc_regs.usr); + __get_user(env->gpr[HEX_REG_GP], &sc->sc_regs.gp); + __get_user(env->gpr[HEX_REG_UGP], &sc->sc_regs.ugp); + __get_user(env->gpr[HEX_REG_PC], &sc->sc_regs.pc); + + /* Restore predicates from p3_0 */ + __get_user(preds, &sc->sc_regs.p3_0); + for (int i =3D 0; i < NUM_PREGS; i++) { + env->pred[i] =3D (preds >> (i * 8)) & 0xff; } + + __get_user(env->gpr[HEX_REG_CS0], &sc->sc_regs.cs0); + __get_user(env->gpr[HEX_REG_CS1], &sc->sc_regs.cs1); } =20 static void restore_ucontext(CPUHexagonState *env, struct target_ucontext = *uc) --=20 2.34.1 From nobody Fri Nov 14 19:42:17 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.180.131; envelope-from=brian.cain@oss.qualcomm.com; helo=mx0b-0031df01.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_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1760448610855154100 Content-Type: text/plain; charset="utf-8" Change the user_regs_struct to use abi_ulong instead of target_ulong. Link: https://lore.kernel.org/qemu-devel/7bf3d8c5-df07-4cbd-ba62-4c7246a5f9= 6b@linaro.org/ Suggested-by: Richard Henderson Reviewed-by: Taylor Simpson Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Brian Cain --- linux-user/hexagon/signal.c | 52 ++++++++++++++++++------------------- 1 file changed, 26 insertions(+), 26 deletions(-) diff --git a/linux-user/hexagon/signal.c b/linux-user/hexagon/signal.c index 2847952216..e5514b2bec 100644 --- a/linux-user/hexagon/signal.c +++ b/linux-user/hexagon/signal.c @@ -24,30 +24,30 @@ #include "linux-user/trace.h" =20 struct target_user_regs_struct { - target_ulong r0, r1, r2, r3; - target_ulong r4, r5, r6, r7; - target_ulong r8, r9, r10, r11; - target_ulong r12, r13, r14, r15; - target_ulong r16, r17, r18, r19; - target_ulong r20, r21, r22, r23; - target_ulong r24, r25, r26, r27; - target_ulong r28, r29, r30, r31; - target_ulong sa0; - target_ulong lc0; - target_ulong sa1; - target_ulong lc1; - target_ulong m0; - target_ulong m1; - target_ulong usr; - target_ulong p3_0; - target_ulong gp; - target_ulong ugp; - target_ulong pc; - target_ulong cause; - target_ulong badva; - target_ulong cs0; - target_ulong cs1; - target_ulong pad1; /* pad to 48 words */ + abi_ulong r0, r1, r2, r3; + abi_ulong r4, r5, r6, r7; + abi_ulong r8, r9, r10, r11; + abi_ulong r12, r13, r14, r15; + abi_ulong r16, r17, r18, r19; + abi_ulong r20, r21, r22, r23; + abi_ulong r24, r25, r26, r27; + abi_ulong r28, r29, r30, r31; + abi_ulong sa0; + abi_ulong lc0; + abi_ulong sa1; + abi_ulong lc1; + abi_ulong m0; + abi_ulong m1; + abi_ulong usr; + abi_ulong p3_0; + abi_ulong gp; + abi_ulong ugp; + abi_ulong pc; + abi_ulong cause; + abi_ulong badva; + abi_ulong cs0; + abi_ulong cs1; + abi_ulong pad1; /* pad to 48 words */ }; =20 QEMU_BUILD_BUG_ON(sizeof(struct target_user_regs_struct) !=3D 48 * 4); @@ -85,7 +85,7 @@ static abi_ulong get_sigframe(struct target_sigaction *ka, =20 static void setup_sigcontext(struct target_sigcontext *sc, CPUHexagonState= *env) { - target_ulong preds =3D 0; + abi_ulong preds =3D 0; =20 __put_user(env->gpr[HEX_REG_R00], &sc->sc_regs.r0); __put_user(env->gpr[HEX_REG_R01], &sc->sc_regs.r1); @@ -211,7 +211,7 @@ badframe: static void restore_sigcontext(CPUHexagonState *env, struct target_sigcontext *sc) { - target_ulong preds; + abi_ulong preds; =20 __get_user(env->gpr[HEX_REG_R00], &sc->sc_regs.r0); __get_user(env->gpr[HEX_REG_R01], &sc->sc_regs.r1); --=20 2.34.1 From nobody Fri Nov 14 19:42:17 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=oss.qualcomm.com ARC-Seal: i=1; a=rsa-sha256; t=1760448612; cv=none; d=zohomail.com; s=zohoarc; b=mIoIdmhexAiOFxya71ImV2w/3aJS7j4a4GVIu+1dfPqwAN75tNe5qNJlY44Z0Nbf2spyaviZx+QBeYpC3B5KN9mNm8kAL9FpFMNQ1LcheW5qEhKMlDCJTkcHfNyJWkGvbLAkI4gLiMxAeN1LkhMM6mJGu76/v2emlLthxfE1XCw= ARC-Message-Signature: i=1; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.168.131; envelope-from=brian.cain@oss.qualcomm.com; helo=mx0a-0031df01.pphosted.com X-Spam_score_int: -23 X-Spam_score: -2.4 X-Spam_bar: -- X-Spam_report: (-2.4 / 5.0 requ) BAYES_00=-1.9, DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1760448614040158500 Content-Type: text/plain; charset="utf-8" Link: https://lore.kernel.org/qemu-devel/023e01dc389c$faf84320$f0e8c960$@gm= ail.com/ Suggested-by: Taylor Simpson Reviewed-by: Taylor Simpson Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Brian Cain --- linux-user/hexagon/signal.c | 79 ++++--------------------------------- 1 file changed, 7 insertions(+), 72 deletions(-) diff --git a/linux-user/hexagon/signal.c b/linux-user/hexagon/signal.c index e5514b2bec..183ecfaa19 100644 --- a/linux-user/hexagon/signal.c +++ b/linux-user/hexagon/signal.c @@ -24,14 +24,7 @@ #include "linux-user/trace.h" =20 struct target_user_regs_struct { - abi_ulong r0, r1, r2, r3; - abi_ulong r4, r5, r6, r7; - abi_ulong r8, r9, r10, r11; - abi_ulong r12, r13, r14, r15; - abi_ulong r16, r17, r18, r19; - abi_ulong r20, r21, r22, r23; - abi_ulong r24, r25, r26, r27; - abi_ulong r28, r29, r30, r31; + abi_ulong gpr[32]; abi_ulong sa0; abi_ulong lc0; abi_ulong sa1; @@ -87,38 +80,9 @@ static void setup_sigcontext(struct target_sigcontext *s= c, CPUHexagonState *env) { abi_ulong preds =3D 0; =20 - __put_user(env->gpr[HEX_REG_R00], &sc->sc_regs.r0); - __put_user(env->gpr[HEX_REG_R01], &sc->sc_regs.r1); - __put_user(env->gpr[HEX_REG_R02], &sc->sc_regs.r2); - __put_user(env->gpr[HEX_REG_R03], &sc->sc_regs.r3); - __put_user(env->gpr[HEX_REG_R04], &sc->sc_regs.r4); - __put_user(env->gpr[HEX_REG_R05], &sc->sc_regs.r5); - __put_user(env->gpr[HEX_REG_R06], &sc->sc_regs.r6); - __put_user(env->gpr[HEX_REG_R07], &sc->sc_regs.r7); - __put_user(env->gpr[HEX_REG_R08], &sc->sc_regs.r8); - __put_user(env->gpr[HEX_REG_R09], &sc->sc_regs.r9); - __put_user(env->gpr[HEX_REG_R10], &sc->sc_regs.r10); - __put_user(env->gpr[HEX_REG_R11], &sc->sc_regs.r11); - __put_user(env->gpr[HEX_REG_R12], &sc->sc_regs.r12); - __put_user(env->gpr[HEX_REG_R13], &sc->sc_regs.r13); - __put_user(env->gpr[HEX_REG_R14], &sc->sc_regs.r14); - __put_user(env->gpr[HEX_REG_R15], &sc->sc_regs.r15); - __put_user(env->gpr[HEX_REG_R16], &sc->sc_regs.r16); - __put_user(env->gpr[HEX_REG_R17], &sc->sc_regs.r17); - __put_user(env->gpr[HEX_REG_R18], &sc->sc_regs.r18); - __put_user(env->gpr[HEX_REG_R19], &sc->sc_regs.r19); - __put_user(env->gpr[HEX_REG_R20], &sc->sc_regs.r20); - __put_user(env->gpr[HEX_REG_R21], &sc->sc_regs.r21); - __put_user(env->gpr[HEX_REG_R22], &sc->sc_regs.r22); - __put_user(env->gpr[HEX_REG_R23], &sc->sc_regs.r23); - __put_user(env->gpr[HEX_REG_R24], &sc->sc_regs.r24); - __put_user(env->gpr[HEX_REG_R25], &sc->sc_regs.r25); - __put_user(env->gpr[HEX_REG_R26], &sc->sc_regs.r26); - __put_user(env->gpr[HEX_REG_R27], &sc->sc_regs.r27); - __put_user(env->gpr[HEX_REG_R28], &sc->sc_regs.r28); - __put_user(env->gpr[HEX_REG_R29], &sc->sc_regs.r29); - __put_user(env->gpr[HEX_REG_R30], &sc->sc_regs.r30); - __put_user(env->gpr[HEX_REG_R31], &sc->sc_regs.r31); + for (int i =3D 0; i < 32; i++) { + __put_user(env->gpr[HEX_REG_R00 + i], &sc->sc_regs.gpr[i]); + } __put_user(env->gpr[HEX_REG_SA0], &sc->sc_regs.sa0); __put_user(env->gpr[HEX_REG_LC0], &sc->sc_regs.lc0); __put_user(env->gpr[HEX_REG_SA1], &sc->sc_regs.sa1); @@ -213,38 +177,9 @@ static void restore_sigcontext(CPUHexagonState *env, { abi_ulong preds; =20 - __get_user(env->gpr[HEX_REG_R00], &sc->sc_regs.r0); - __get_user(env->gpr[HEX_REG_R01], &sc->sc_regs.r1); - __get_user(env->gpr[HEX_REG_R02], &sc->sc_regs.r2); - __get_user(env->gpr[HEX_REG_R03], &sc->sc_regs.r3); - __get_user(env->gpr[HEX_REG_R04], &sc->sc_regs.r4); - __get_user(env->gpr[HEX_REG_R05], &sc->sc_regs.r5); - __get_user(env->gpr[HEX_REG_R06], &sc->sc_regs.r6); - __get_user(env->gpr[HEX_REG_R07], &sc->sc_regs.r7); - __get_user(env->gpr[HEX_REG_R08], &sc->sc_regs.r8); - __get_user(env->gpr[HEX_REG_R09], &sc->sc_regs.r9); - __get_user(env->gpr[HEX_REG_R10], &sc->sc_regs.r10); - __get_user(env->gpr[HEX_REG_R11], &sc->sc_regs.r11); - __get_user(env->gpr[HEX_REG_R12], &sc->sc_regs.r12); - __get_user(env->gpr[HEX_REG_R13], &sc->sc_regs.r13); - __get_user(env->gpr[HEX_REG_R14], &sc->sc_regs.r14); - __get_user(env->gpr[HEX_REG_R15], &sc->sc_regs.r15); - __get_user(env->gpr[HEX_REG_R16], &sc->sc_regs.r16); - __get_user(env->gpr[HEX_REG_R17], &sc->sc_regs.r17); - __get_user(env->gpr[HEX_REG_R18], &sc->sc_regs.r18); - __get_user(env->gpr[HEX_REG_R19], &sc->sc_regs.r19); - __get_user(env->gpr[HEX_REG_R20], &sc->sc_regs.r20); - __get_user(env->gpr[HEX_REG_R21], &sc->sc_regs.r21); - __get_user(env->gpr[HEX_REG_R22], &sc->sc_regs.r22); - __get_user(env->gpr[HEX_REG_R23], &sc->sc_regs.r23); - __get_user(env->gpr[HEX_REG_R24], &sc->sc_regs.r24); - __get_user(env->gpr[HEX_REG_R25], &sc->sc_regs.r25); - __get_user(env->gpr[HEX_REG_R26], &sc->sc_regs.r26); - __get_user(env->gpr[HEX_REG_R27], &sc->sc_regs.r27); - __get_user(env->gpr[HEX_REG_R28], &sc->sc_regs.r28); - __get_user(env->gpr[HEX_REG_R29], &sc->sc_regs.r29); - __get_user(env->gpr[HEX_REG_R30], &sc->sc_regs.r30); - __get_user(env->gpr[HEX_REG_R31], &sc->sc_regs.r31); + for (int i =3D 0; i < 32; i++) { + __get_user(env->gpr[HEX_REG_R00 + i], &sc->sc_regs.gpr[i]); + } __get_user(env->gpr[HEX_REG_SA0], &sc->sc_regs.sa0); __get_user(env->gpr[HEX_REG_LC0], &sc->sc_regs.lc0); __get_user(env->gpr[HEX_REG_SA1], &sc->sc_regs.sa1); --=20 2.34.1 From nobody Fri Nov 14 19:42:17 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=pass(p=reject dis=none) header.from=oss.qualcomm.com ARC-Seal: i=1; a=rsa-sha256; t=1760448621; cv=none; d=zohomail.com; s=zohoarc; b=e8bUPjniTf9NNJH4jEgL8LZCBaw9MWXUHuolE0uJm/xKgToQiK+U5bxOJ/xYZF4PX3pvpAZsv4C2d/s6n5ciQlAk366d5WDYTdhVyU4tcjN6Jki5rYfSCkmHzvtUZHlJ+kTmBldReznp0sGOd97h/stXZPpsBLilYmaEuNue+08= ARC-Message-Signature: i=1; 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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=205.220.180.131; envelope-from=brian.cain@oss.qualcomm.com; helo=mx0b-0031df01.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_VALIDITY_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @qualcomm.com) X-ZM-MESSAGEID: 1760448624965154100 Cover cs0,1 register corruption in the signal_context test case. lc0, sa0 registers previously omitted from the clobbers list are now captured. Reviewed-by: Anton Johansson Signed-off-by: Brian Cain --- tests/tcg/hexagon/signal_context.c | 23 ++++++++++++++++++++--- 1 file changed, 20 insertions(+), 3 deletions(-) diff --git a/tests/tcg/hexagon/signal_context.c b/tests/tcg/hexagon/signal_= context.c index 7202fa64b6..12b78f1790 100644 --- a/tests/tcg/hexagon/signal_context.c +++ b/tests/tcg/hexagon/signal_context.c @@ -26,7 +26,11 @@ void sig_user(int sig, siginfo_t *info, void *puc) "p1 =3D r7\n\t" "p2 =3D r7\n\t" "p3 =3D r7\n\t" - : : : "r7", "p0", "p1", "p2", "p3"); + "r6 =3D #0x12345678\n\t" + "cs0 =3D r6\n\t" + "r6 =3D #0x87654321\n\t" + "cs1 =3D r6\n\t" + : : : "r6", "r7", "p0", "p1", "p2", "p3"); } =20 int main() @@ -53,7 +57,11 @@ int main() timer_settime(tid, 0, &it, NULL); =20 asm("loop0(1f, %1)\n\t" - "1: r8 =3D #0xff\n\t" + "1: r9 =3D #0xdeadbeef\n\t" + " cs0 =3D r9\n\t" + " r9 =3D #0xbadc0fee\n\t" + " cs1 =3D r9\n\t" + " r8 =3D #0xff\n\t" " p0 =3D r8\n\t" " p1 =3D r8\n\t" " p2 =3D r8\n\t" @@ -74,10 +82,19 @@ int main() " r8 =3D p3\n\t" " p0 =3D cmp.eq(r8, #0xff)\n\t" " if (!p0) jump 2b\n\t" + " r8 =3D cs0\n\t" + " r9 =3D #0xdeadbeef\n\t" + " p0 =3D cmp.eq(r8, r9)\n\t" + " if (!p0) jump 2b\n\t" + " r8 =3D cs1\n\t" + " r9 =3D #0xbadc0fee\n\t" + " p0 =3D cmp.eq(r8, r9)\n\t" + " if (!p0) jump 2b\n\t" "4: {}: endloop0\n\t" : : "r"(&err), "r"(i) - : "memory", "r8", "p0", "p1", "p2", "p3"); + : "memory", "r8", "r9", "p0", "p1", "p2", "p3", "cs0", "cs1", "lc0= ", + "sa0"); =20 puts(err ? "FAIL" : "PASS"); return err; --=20 2.34.1