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Wed, 01 Apr 2026 08:28:11 -0700 (PDT) X-Received: by 2002:a05:7300:a887:b0:2c4:ee64:13c3 with SMTP id 5a478bee46e88-2c7bcf7060amr3448705eec.17.1775057290932; Wed, 01 Apr 2026 08:28:10 -0700 (PDT) From: Brian Cain To: qemu-devel@nongnu.org Cc: brian.cain@oss.qualcomm.com, philmd@linaro.org, ltaylorsimpson@gmail.com, matheus.bernardino@oss.qualcomm.com, marco.liebel@oss.qualcomm.com, quic_mburton@quicinc.com, sid.manning@oss.qualcomm.com, ale@rev.ng, anjo@rev.ng, Brian Cain Subject: [PATCH v6 28/37] target/hexagon: Add TCG overrides for rte, nmi Date: Wed, 1 Apr 2026 08:26:48 -0700 Message-Id: <20260401152657.314902-29-brian.cain@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260401152657.314902-1-brian.cain@oss.qualcomm.com> References: <20260401152657.314902-1-brian.cain@oss.qualcomm.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Authority-Analysis: v=2.4 cv=B+O0EetM c=1 sm=1 tr=0 ts=69cd3995 cx=c_pps a=Uww141gWH0fZj/3QKPojxA==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=A5OVakUREuEA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=COk6AnOGAAAA:8 a=pGLkceISAAAA:8 a=EUspDBNiAAAA:8 a=zRxYJKy5J8nCns2dKEsA:9 a=QEXdDO2ut3YA:10 a=PxkB5W3o20Ba91AHUih5:22 a=TjNXssC_j7lpFel5tvFf:22 X-Proofpoint-ORIG-GUID: wx_q-uh1DInPppGOidqWNN5Xsmw2JFZE X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNDAxMDE0NCBTYWx0ZWRfX2uOqtLdqMy14 kivNLhNIlH27Iu59HsWMPQP5sk8/iCztga2XsYP0Phca1C0R0WKNxv2hRD9BbZCViO7PBXIHxGv iqJ/gMi4XD7W8sTCSl57DrwfdPZ9BhLrMo/GpkfakwlzcpKcX82id1EE6pFpYG3/9xG3ndXQNiy XvjT0gaN6Byuw50FoCt2/zkV3iwRcCSaH3lhWnkcitiu9tRl3Nw+Y7Q5BrPriIoum/q6r+kEehY JqxbfPtbkYqBtBvsYo1xe7nzLa1u6bd85tZEfceX54p+cj1B1gmP9k2FH+vlHHOzgV2nVD9WRVc qIY62HayUbpjQitdUzy9p6waqlqfvueE5+yVHN+1lUBmRDODBhtD4/5o07NeGpnfVyDU52ggOKT AK87ljizAtSvPWnwPKsozvnALLDyymYJQU0oCaMzlW/pHq+zFsvppTRPHYFJm4aPYgqrgTti81r 98TW4XUeOoCdtyOEZlA== X-Proofpoint-GUID: wx_q-uh1DInPppGOidqWNN5Xsmw2JFZE X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.51,FMLib:17.12.100.49 definitions=2026-04-01_04,2026-04-01_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 priorityscore=1501 impostorscore=0 adultscore=0 malwarescore=0 lowpriorityscore=0 spamscore=0 clxscore=1015 suspectscore=0 phishscore=0 bulkscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2603050001 definitions=main-2604010144 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: -7 X-Spam_score: -0.8 X-Spam_bar: / X-Spam_report: (-0.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=1, RCVD_IN_VALIDITY_RPBL_BLOCKED=1, SPF_HELO_NONE=0.001, 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 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: 1775057685854154100 From: Brian Cain Reviewed-by: Taylor Simpson Signed-off-by: Brian Cain --- target/hexagon/gen_tcg_sys.h | 19 +++++++++++++++++++ target/hexagon/helper.h | 1 + target/hexagon/op_helper.c | 4 ++++ 3 files changed, 24 insertions(+) diff --git a/target/hexagon/gen_tcg_sys.h b/target/hexagon/gen_tcg_sys.h index 739e95ea60b..04406db6a4b 100644 --- a/target/hexagon/gen_tcg_sys.h +++ b/target/hexagon/gen_tcg_sys.h @@ -80,4 +80,23 @@ gen_helper_stop(tcg_env); \ } while (0) =20 +/* + * rte (return from exception) + * Clear the EX bit in SSR + * Jump to ELR + */ +#define fGEN_TCG_J2_rte(SHORTCODE) \ + do { \ + TCGv_i32 new_ssr =3D tcg_temp_new_i32(); \ + tcg_gen_deposit_tl(new_ssr, hex_t_sreg[HEX_SREG_SSR], \ + tcg_constant_tl(0), \ + reg_field_info[SSR_EX].offset, \ + reg_field_info[SSR_EX].width); \ + gen_log_sreg_write(ctx, HEX_SREG_SSR, new_ssr); \ + gen_jumpr(ctx, hex_t_sreg[HEX_SREG_ELR]); \ + } while (0) + +#define fGEN_TCG_Y4_nmi(SHORTCODE) \ + gen_helper_nmi(tcg_env, RsV) + #endif diff --git a/target/hexagon/helper.h b/target/hexagon/helper.h index 682f0c6c26e..9ca87acfe63 100644 --- a/target/hexagon/helper.h +++ b/target/hexagon/helper.h @@ -127,4 +127,5 @@ DEF_HELPER_2(start, void, env, i32) DEF_HELPER_1(stop, void, env) DEF_HELPER_2(wait, void, env, i32) DEF_HELPER_2(resume, void, env, i32) +DEF_HELPER_2(nmi, void, env, i32) #endif diff --git a/target/hexagon/op_helper.c b/target/hexagon/op_helper.c index da00dfd65c3..87da1fe430c 100644 --- a/target/hexagon/op_helper.c +++ b/target/hexagon/op_helper.c @@ -1479,6 +1479,10 @@ void HELPER(setprio)(CPUHexagonState *env, uint32_t = thread, uint32_t prio) g_assert_not_reached(); } =20 +void HELPER(nmi)(CPUHexagonState *env, uint32_t thread_mask) +{ + g_assert_not_reached(); +} #endif =20 =20 --=20 2.34.1