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Wed, 10 Jun 2026 22:39:10 -0700 (PDT) X-Received: by 2002:a05:7300:324d:b0:304:e58b:cccb with SMTP id 5a478bee46e88-3080461a636mr1341475eec.2.1781156350221; Wed, 10 Jun 2026 22:39:10 -0700 (PDT) From: Brian Cain To: qemu-devel@nongnu.org Cc: brian.cain@oss.qualcomm.com, matheus.bernardino@oss.qualcomm.com, pierrick.bouvier@oss.qualcomm.com, ltaylorsimpson@gmail.com, philmd@mailo.org, philmd@oss.qualcomm.com, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Paolo Bonzini , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v7] hw/hexagon: Add global register tracing Date: Wed, 10 Jun 2026 22:38:55 -0700 Message-Id: <20260611053902.3927367-3-brian.cain@oss.qualcomm.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20260611053902.3927367-1-brian.cain@oss.qualcomm.com> References: <20260611053902.3927367-1-brian.cain@oss.qualcomm.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable X-Proofpoint-GUID: Mi0qkzPD-lAnRXKS_SagZRO6hWb0AeP8 X-Authority-Analysis: v=2.4 cv=B9eJFutM c=1 sm=1 tr=0 ts=6a2a4a00 cx=c_pps a=cFYjgdjTJScbgFmBucgdfQ==:117 a=ouPCqIW2jiPt+lZRy3xVPw==:17 a=IkcTkHD0fZMA:10 a=FelO9ux0wxsA:10 a=s4-Qcg_JpJYA:10 a=VkNPw1HP01LnGYTKEx00:22 a=u7WPNUs3qKkmUXheDGA7:22 a=_glEPmIy2e8OvE2BGh3C:22 a=KKAkSRfTAAAA:8 a=EUspDBNiAAAA:8 a=8QmChvNvioVktlEtA_0A:9 a=QEXdDO2ut3YA:10 a=scEy_gLbYbu1JhEsrz4S:22 a=cvBusfyB2V15izCimMoJ:22 X-Proofpoint-Spam-Details-Enc: AW1haW4tMjYwNjExMDA1MyBTYWx0ZWRfXzY3dRtkLjtDw uDmsJmbYbERWPcRkj8Q14ZzKoBso8liv0zi5Z/ZX3LleNNGwM5Xg15vJW7CaKvg59uJuX7H5cAW G14tIKObh4z4FVAl+Q29D7f7vxXHhRNgmB/mO3+Uxe7fPfk+M4HSzAjLDU2V3Hqi3i0NSmdkimn x3m7N5wMWreNh8RmeuXuZCO8P+baVIlI+souP8w+66mHM3Ri5y7J9tnhKtmJengm0ql4YZy2ihg 3t7a6zHJxenKwErCdvdxION2tPAPYyv9vJMLvb/Nl+fZB3yWqQu1VityY6Pyn+cpl+yosCOmGvx h8K6Lt7EmmgFDiNw7hZRgoNGkoJTRyVlsr6qZyVyD+9pSZrmr62/v9VIr0p8YeFkR6IRMSmgQlI bymSPfClEO3QeAkPKlpBsP0bC9SdIiPjJLUzWWF06fFxIDFXNeclIRXWm/4wge1fRpJ3iDuC/wY /8daA2Pg3kp5l5K8jBQ== X-Proofpoint-Spam-Info: AW1haW4tMjYwNjExMDA1MyBTYWx0ZWRfXyS16DjKemRXi lGPgFp8FYL2LEavLF7FrufnxxPpOY0dhUXMLfGr64uR0oeH3I//pEm78N8jzhOi5Rh7K2tOPZU0 xNcmQ4TJmU5FP5cUWXZZliS9OOezwW8= X-Proofpoint-ORIG-GUID: Mi0qkzPD-lAnRXKS_SagZRO6hWb0AeP8 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1143,Hydra:6.1.125,FMLib:17.12.100.49 definitions=2026-06-11_01,2026-06-09_02,2025-10-01_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 lowpriorityscore=0 impostorscore=0 malwarescore=0 spamscore=0 bulkscore=0 phishscore=0 suspectscore=0 clxscore=1015 priorityscore=1501 adultscore=0 classifier=typeunknown authscore=0 authtc= authcc= route=outbound adjust=0 reason=mlx scancount=1 engine=8.22.0-2606040000 definitions=main-2606110053 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=lists1p.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: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 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, 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: 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: 1781156413725158500 Content-Type: text/plain; charset="utf-8" Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Brian Cain --- meson.build | 1 + hw/hexagon/trace.h | 2 + hw/hexagon/hexagon_globalreg.c | 73 ++++++++++++++++++++++++++++++++++ hw/hexagon/trace-events | 3 ++ 4 files changed, 79 insertions(+) create mode 100644 hw/hexagon/trace.h create mode 100644 hw/hexagon/trace-events diff --git a/meson.build b/meson.build index 19e123423b5..bdf15a36669 100644 --- a/meson.build +++ b/meson.build @@ -3599,6 +3599,7 @@ if have_system 'hw/display', 'hw/dma', 'hw/fsi', + 'hw/hexagon', 'hw/hyperv', 'hw/i2c', 'hw/i3c', diff --git a/hw/hexagon/trace.h b/hw/hexagon/trace.h new file mode 100644 index 00000000000..9e0b39f3c66 --- /dev/null +++ b/hw/hexagon/trace.h @@ -0,0 +1,2 @@ +/* SPDX-License-Identifier: GPL-2.0-or-later */ +#include "trace/trace-hw_hexagon.h" diff --git a/hw/hexagon/hexagon_globalreg.c b/hw/hexagon/hexagon_globalreg.c index 28cb5a4158d..b5e5913507e 100644 --- a/hw/hexagon/hexagon_globalreg.c +++ b/hw/hexagon/hexagon_globalreg.c @@ -16,11 +16,82 @@ #include "target/hexagon/cpu.h" #include "target/hexagon/hex_regs.h" #include "qemu/log.h" +#include "trace.h" #include "qapi/error.h" =20 #define IMMUTABLE (~0) #define INVALID_REG_VAL 0xdeadbeef =20 +static const char *hex_sreg_names[] =3D { + [HEX_SREG_SGP0] =3D "sgp0", + [HEX_SREG_SGP1] =3D "sgp1", + [HEX_SREG_STID] =3D "stid", + [HEX_SREG_ELR] =3D "elr", + [HEX_SREG_BADVA0] =3D "badva0", + [HEX_SREG_BADVA1] =3D "badva1", + [HEX_SREG_SSR] =3D "ssr", + [HEX_SREG_CCR] =3D "ccr", + [HEX_SREG_HTID] =3D "htid", + [HEX_SREG_BADVA] =3D "badva", + [HEX_SREG_IMASK] =3D "imask", + [HEX_SREG_GEVB] =3D "gevb", + [HEX_SREG_EVB] =3D "evb", + [HEX_SREG_MODECTL] =3D "modectl", + [HEX_SREG_SYSCFG] =3D "syscfg", + [HEX_SREG_IPENDAD] =3D "ipendad", + [HEX_SREG_VID] =3D "vid", + [HEX_SREG_VID1] =3D "vid1", + [HEX_SREG_BESTWAIT] =3D "bestwait", + [HEX_SREG_IEL] =3D "iel", + [HEX_SREG_SCHEDCFG] =3D "schedcfg", + [HEX_SREG_IAHL] =3D "iahl", + [HEX_SREG_CFGBASE] =3D "cfgbase", + [HEX_SREG_DIAG] =3D "diag", + [HEX_SREG_REV] =3D "rev", + [HEX_SREG_PCYCLELO] =3D "pcyclelo", + [HEX_SREG_PCYCLEHI] =3D "pcyclehi", + [HEX_SREG_ISDBST] =3D "isdbst", + [HEX_SREG_ISDBCFG0] =3D "isdbcfg0", + [HEX_SREG_ISDBCFG1] =3D "isdbcfg1", + [HEX_SREG_LIVELOCK] =3D "livelock", + [HEX_SREG_BRKPTPC0] =3D "brkptpc0", + [HEX_SREG_BRKPTCFG0] =3D "brkptcfg0", + [HEX_SREG_BRKPTPC1] =3D "brkptpc1", + [HEX_SREG_BRKPTCFG1] =3D "brkptcfg1", + [HEX_SREG_ISDBMBXIN] =3D "isdbmbxin", + [HEX_SREG_ISDBMBXOUT] =3D "isdbmbxout", + [HEX_SREG_ISDBEN] =3D "isdben", + [HEX_SREG_ISDBGPR] =3D "isdbgpr", + [HEX_SREG_PMUCNT4] =3D "pmucnt4", + [HEX_SREG_PMUCNT5] =3D "pmucnt5", + [HEX_SREG_PMUCNT6] =3D "pmucnt6", + [HEX_SREG_PMUCNT7] =3D "pmucnt7", + [HEX_SREG_PMUCNT0] =3D "pmucnt0", + [HEX_SREG_PMUCNT1] =3D "pmucnt1", + [HEX_SREG_PMUCNT2] =3D "pmucnt2", + [HEX_SREG_PMUCNT3] =3D "pmucnt3", + [HEX_SREG_PMUEVTCFG] =3D "pmuevtcfg", + [HEX_SREG_PMUSTID0] =3D "pmustid0", + [HEX_SREG_PMUEVTCFG1] =3D "pmuevtcfg1", + [HEX_SREG_PMUSTID1] =3D "pmustid1", + [HEX_SREG_TIMERLO] =3D "timerlo", + [HEX_SREG_TIMERHI] =3D "timerhi", + [HEX_SREG_PMUCFG] =3D "pmucfg", + [HEX_SREG_S59] =3D "s59", + [HEX_SREG_S60] =3D "s60", + [HEX_SREG_S61] =3D "s61", + [HEX_SREG_S62] =3D "s62", + [HEX_SREG_S63] =3D "s63", +}; + +static const char *get_sreg_name(uint32_t reg) +{ + if (reg < ARRAY_SIZE(hex_sreg_names) && hex_sreg_names[reg]) { + return hex_sreg_names[reg]; + } + return "UNKNOWN"; +} + /* Global system register mutability masks */ static const uint32_t global_sreg_immut_masks[NUM_SREGS] =3D { [HEX_SREG_EVB] =3D 0x000000ff, @@ -77,6 +148,7 @@ uint32_t hexagon_globalreg_read(HexagonGlobalRegState *s= , uint32_t reg, =20 value =3D s->regs[reg]; =20 + trace_hexagon_globalreg_read(htid, get_sreg_name(reg), value); return value; } =20 @@ -89,6 +161,7 @@ void hexagon_globalreg_write(HexagonGlobalRegState *s, u= int32_t reg, g_assert(reg < NUM_SREGS); g_assert(reg >=3D HEX_SREG_GLB_START); s->regs[reg] =3D value; + trace_hexagon_globalreg_write(htid, get_sreg_name(reg), value); } =20 uint32_t hexagon_globalreg_masked_value(HexagonGlobalRegState *s, uint32_t= reg, diff --git a/hw/hexagon/trace-events b/hw/hexagon/trace-events new file mode 100644 index 00000000000..5d623ed2516 --- /dev/null +++ b/hw/hexagon/trace-events @@ -0,0 +1,3 @@ +# Hexagon global register access +hexagon_globalreg_read(uint32_t htid, const char *reg_name, uint32_t value= ) "htid=3D%u reg=3D%s value=3D0x%x" +hexagon_globalreg_write(uint32_t htid, const char *reg_name, uint32_t valu= e) "htid=3D%u reg=3D%s value=3D0x%x" --=20 2.34.1