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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-3e760775880sm23033286f8f.2.2025.09.16.11.06.40 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 16 Sep 2025 11:06:40 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1758046001; x=1758650801; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=6LeILhwPgBbuYTZtg4+zNF/Wb2Nc+4dWl/EGuDadDTQ=; b=R8w1lTRtykeSHndbucGiUMeauNPQH2hRkm6v1smnOal/uZaN+PeCp8eUE99L8yT5CZ bbEl3Vp+QTLhYFQz/vFKkxLUK4FhYkGYKbr4Tkklk64FN2f5NdhPoPXbPB4Z/USWkzLL Zi//KqaqnRqxh+N/Ny96m9Vl3lQSyrEkU/I9/AD52EqkE7YMRNYp5fodOXRxLNIHGla5 nOuBrZxsaeWlcIW4tS8y4LQtONdKVbfWljoVJiDCo0CU68PWsVw+IFpjShYA7O2Dv0C9 yFuRYNpZ9DmiXPyqscofUz5gm3LEy0zSdqnDP23IzxFT/Dgn8huumw/QTYa7u/7yKcXC Agww== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1758046001; x=1758650801; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=6LeILhwPgBbuYTZtg4+zNF/Wb2Nc+4dWl/EGuDadDTQ=; b=rL7Vp9I/JgCuDlt8KogFmcpTf7mVpJaEp7HnnLrNTAEapRCoJuSmk8MiBorrFgFZmh stTDnDOLEMoVCEvGUmRcNbit+7Kvkg81agEek0IjIYBYiN9UEXri3Z0oyW920Z/UgbJD FzVrk66ghL8/xPTq7ruFOM3iYj9q5XahYq2oioQDrkJJLz8IsEWlMyUlBc+i4x+vNuQ3 n9A3bJTnrKtnag0JNCf3zpf4Jcmk4w9PGTlakfxNBxN8d3sjbb4m2AzCAVejLIqmz/Zs mEwm29M4ICjd8VFaAY+/kUUX87ImCLr/ETLfDQyH7M5uQdrk7ksdPVvKigetCT9I3nZK ZmOg== X-Gm-Message-State: AOJu0Yxo/RxD+/GMEGdKWAG3yiwmF/2P8D1JUSYLVzuvbN6ggSfjjQNj AqIiWoLwwjBbFHmR9jWHNLg1bTb/bYJDHYlLgh3J5Lo7teVVrPsM43Iy7KX5QBcy5ozIzID6Zq4 5hoY1 X-Gm-Gg: ASbGnctb7QWPZVUxc5t3eUPKkNONIGC+51AXynpaNDzeU6QLqC5P7tM3JE12QKoytqj WM9X34DNUStbEM5sqzdwjgqUz/ErDcBpGHWF0FLNpcGEylmcg8461aD6IfePGQqnwsaKwjSPtbL Q4UxfOOR4MBERtmY5qz+F92hCTc9/rDfIKJDO6hHzejn/UT+OFZaajjQhlKAR5FQjFNOh4cw5VV 1qpe7nlxsP5mdoHeA9KygCKh20lnulu12Wyj/Or35ft2/PdRvT422LNOtmN9aKMUSC6GcpRIFjG NAHe8DMR/iBaxpwQ5qBoDkOuDPQrsDAiT/lOlrZqf/mQlB5bZadVoWmy1/jx2KJ2dtl5FMhCH0k oFMGVyKN547Zft1khYdVhEjn6Rjg2 X-Google-Smtp-Source: AGHT+IGHNh8LaZgjHpHH+PlrZ46zw5X6VQEU0Qh5FgPTwZp02ErjE4Ar9QgwWWesz/kFAQogHOHROw== X-Received: by 2002:a05:600c:5755:b0:45b:71ac:b45a with SMTP id 5b1f17b1804b1-45f211d5128mr127372485e9.11.1758046000953; Tue, 16 Sep 2025 11:06:40 -0700 (PDT) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 24/36] target/arm: Added test case for SME register exposure to GDB Date: Tue, 16 Sep 2025 19:05:58 +0100 Message-ID: <20250916180611.1481266-25-peter.maydell@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250916180611.1481266-1-peter.maydell@linaro.org> References: <20250916180611.1481266-1-peter.maydell@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable 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=2a00:1450:4864:20::32f; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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_NONE=-0.0001, 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 @linaro.org) X-ZM-MESSAGEID: 1758046416767116601 Content-Type: text/plain; charset="utf-8" From: Vacha Bhavsar This patch adds a test case to test SME register exposure to a remote gdb debugging session. This test simply sets and reads SME registers. Signed-off-by: Vacha Bhavsar Message-id: 20250909161012.2561593-4-vacha.bhavsar@oss.qualcomm.com [PMM: fixed various python formatting nits] Reviewed-by: Peter Maydell Signed-off-by: Peter Maydell --- configure | 6 ++ tests/tcg/aarch64/Makefile.target | 29 +++++++ tests/tcg/aarch64/gdbstub/test-sme.py | 117 ++++++++++++++++++++++++++ 3 files changed, 152 insertions(+) create mode 100644 tests/tcg/aarch64/gdbstub/test-sme.py diff --git a/configure b/configure index 274a7787642..9aea02cf6a2 100755 --- a/configure +++ b/configure @@ -1839,6 +1839,12 @@ for target in $target_list; do echo "GDB=3D$gdb_bin" >> $config_target_mak fi =20 + if test "${gdb_arches#*$arch}" !=3D "$gdb_arches" && version_ge $gdb= _version 14.1; then + echo "GDB_HAS_SME_TILES=3Dy" >> $config_target_mak + else + echo "GDB_HAS_SME_TILES=3Dn" >> $config_target_mak + fi + if test "${gdb_arches#*aarch64}" !=3D "$gdb_arches" && version_ge $g= db_version 15.1; then echo "GDB_HAS_MTE=3Dy" >> $config_target_mak fi diff --git a/tests/tcg/aarch64/Makefile.target b/tests/tcg/aarch64/Makefile= .target index 16ddcf4f883..1755874beed 100644 --- a/tests/tcg/aarch64/Makefile.target +++ b/tests/tcg/aarch64/Makefile.target @@ -134,6 +134,35 @@ run-gdbstub-sve-ioctls: sve-ioctls =20 EXTRA_RUNS +=3D run-gdbstub-sysregs run-gdbstub-sve-ioctls =20 +ifneq ($(CROSS_AS_HAS_ARMV9_SME),) +# SME gdbstub tests + +run-gdbstub-sysregs-sme: sysregs + $(call run-test, $@, $(GDB_SCRIPT) \ + --gdb $(GDB) \ + --qemu $(QEMU) --qargs "$(QEMU_OPTS)" \ + --bin $< --test $(AARCH64_SRC)/gdbstub/test-sme.py \ + -- test_sme --gdb_basic_za_test, \ + basic gdbstub SME support) + +ifeq ($(GDB_HAS_SME_TILES),y) +run-gdbstub-sysregs-sme-tile-slice: sysregs + $(call run-test, $@, $(GDB_SCRIPT) \ + --gdb $(GDB) \ + --qemu $(QEMU) --qargs "$(QEMU_OPTS)" \ + --bin $< --test $(AARCH64_SRC)/gdbstub/test-sme.py \ + -- test_sme --gdb_tile_slice_test, \ + gdbstub SME ZA tile slice support) +else +run-gdbstub-sysregs-sme-tile-slice: sysregs + $(call skip-test,"gdbstub SME ZA tile slice support", \ + "selected gdb ($(GDB)) does not support SME ZA tile slices") +endif + +EXTRA_RUNS +=3D run-gdbstub-sysregs-sme run-gdbstub-sysregs-sme-tile-slice + +endif + ifeq ($(GDB_HAS_MTE),y) run-gdbstub-mte: mte-8 $(call run-test, $@, $(GDB_SCRIPT) \ diff --git a/tests/tcg/aarch64/gdbstub/test-sme.py b/tests/tcg/aarch64/gdbs= tub/test-sme.py new file mode 100644 index 00000000000..ec031896427 --- /dev/null +++ b/tests/tcg/aarch64/gdbstub/test-sme.py @@ -0,0 +1,117 @@ +# +# Copyright (c) Qualcomm Technologies, Inc. and/or its subsidiaries. +# +# SPDX-License-Identifier: GPL-2.0-or-later + +# +# Test the SME registers are visible and changeable via gdbstub +# +# This is launched via tests/guest-debug/run-test.py +# + +import argparse +import gdb +from test_gdbstub import main, report + +MAGIC =3D 0x01020304 +BASIC_ZA_TEST =3D 0 +TILE_SLICE_TEST =3D 0 + + +def run_test(): + """Run the requested test(s) for SME ZA gdbstub support""" + + if BASIC_ZA_TEST: + run_basic_sme_za_gdbstub_support_test() + if TILE_SLICE_TEST: + run_basic_sme_za_tile_slice_gdbstub_support_test() + + +def run_basic_sme_za_gdbstub_support_test(): + """Test reads and writes to the SME ZA register at the byte level""" + + frame =3D gdb.selected_frame() + rname =3D "za" + za =3D frame.read_register(rname) + report(True, "Reading %s" % rname) + + # Writing to the ZA register, byte by byte. + for i in range(0, 16): + for j in range(0, 16): + cmd =3D "set $za[%d][%d] =3D 0x01" % (i, j) + gdb.execute(cmd) + report(True, "%s" % cmd) + + # Reading from the ZA register, byte by byte. + for i in range(0, 16): + for j in range(0, 16): + reg =3D "$za[%d][%d]" % (i, j) + v =3D gdb.parse_and_eval(reg) + report(str(v.type) =3D=3D "uint8_t", "size of %s" % (reg)) + report(v =3D=3D 0x1, "%s is 0x%x" % (reg, 0x1)) + + +def run_basic_sme_za_tile_slice_gdbstub_support_test(): + """Test reads and writes of SME ZA horizontal and vertical tile slices + + Test if SME ZA tile slices, both horizontal and vertical, + can be correctly read and written to. The sizes to test + are quadwords and doublewords. + """ + + sizes =3D {} + sizes["q"] =3D "uint128_t" + sizes["d"] =3D "uint64_t" + + # Accessing requested sizes of elements of ZA + for size in sizes: + + # Accessing various ZA tiles + for i in range(0, 4): + + # Accessing various horizontal slices for each ZA tile + for j in range(0, 4): + # Writing to various elements in each tile slice + for k in range(0, 4): + cmd =3D "set $za%dh%c%d[%d] =3D 0x%x" % (i, size, j, k= , MAGIC) + gdb.execute(cmd) + report(True, "%s" % cmd) + + # Reading from the written elements in each tile slice + for k in range(0, 4): + reg =3D "$za%dh%c%d[%d]" % (i, size, j, k) + v =3D gdb.parse_and_eval(reg) + report(str(v.type) =3D=3D sizes[size], "size of %s" % = (reg)) + report(v =3D=3D MAGIC, "%s is 0x%x" % (reg, MAGIC)) + + # Accessing various vertical slices for each ZA tile + for j in range(0, 4): + # Writing to various elements in each tile slice + for k in range(0, 4): + cmd =3D "set $za%dv%c%d[%d] =3D 0x%x" % (i, size, j, k= , MAGIC) + gdb.execute(cmd) + report(True, "%s" % cmd) + + # Reading from the written elements in each tile slice + for k in range(0, 4): + reg =3D "$za%dv%c%d[%d]" % (i, size, j, k) + v =3D gdb.parse_and_eval(reg) + report(str(v.type) =3D=3D sizes[size], "size of %s" % = (reg)) + report(v =3D=3D MAGIC, "%s is 0x%x" % (reg, MAGIC)) + + +parser =3D argparse.ArgumentParser(description=3D"A gdbstub test for SME s= upport") +parser.add_argument("--gdb_basic_za_test", + help=3D"Enable test for basic SME ZA support", + action=3D"store_true") +parser.add_argument("--gdb_tile_slice_test", + help=3D"Enable test for ZA tile slice support", + action=3D"store_true") +args =3D parser.parse_args() + +if args.gdb_basic_za_test: + BASIC_ZA_TEST =3D 1 +if args.gdb_tile_slice_test: + TILE_SLICE_TEST =3D 1 + +main(run_test, expected_arch=3D"aarch64") --=20 2.43.0