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Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour Subject: [PATCH v4 01/17] tests/docker: expose $HOME/.cache/qemu as docker volume Date: Tue, 3 Jun 2025 12:01:48 +0100 Message-ID: <20250603110204.838117-2-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::635; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x635.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948756406116600 If you want to run functional tests we should share .cache/qemu so we don't force containers to continually re-download images. We also move ccache to use this shared area. Signed-off-by: Alex Benn=C3=A9e Reviewed-by: Thomas Huth --- v3 - mention ccache v2 - Share a whole .cache/qemu path. --- tests/docker/Makefile.include | 10 ++++++---- 1 file changed, 6 insertions(+), 4 deletions(-) diff --git a/tests/docker/Makefile.include b/tests/docker/Makefile.include index fa1cbb6726..3959d8a028 100644 --- a/tests/docker/Makefile.include +++ b/tests/docker/Makefile.include @@ -185,8 +185,10 @@ docker: =20 docker-help: docker =20 +# Where QEMU caches build artefacts +DOCKER_QEMU_CACHE_DIR :=3D $$HOME/.cache/qemu # Use a global constant ccache directory to speed up repetitive builds -DOCKER_CCACHE_DIR :=3D $$HOME/.cache/qemu-docker-ccache +DOCKER_QEMU_CCACHE_DIR :=3D DOCKER_QEMU_CACHE_DIR/docker-ccache =20 # This rule if for directly running against an arbitrary docker target. # It is called by the expanded docker targets (e.g. make @@ -195,7 +197,7 @@ DOCKER_CCACHE_DIR :=3D $$HOME/.cache/qemu-docker-ccache # For example: make docker-run TEST=3D"test-quick" IMAGE=3D"debian:arm64" = EXECUTABLE=3D./aarch64-linux-user/qemu-aarch64 # docker-run: docker-qemu-src - @mkdir -p "$(DOCKER_CCACHE_DIR)" + @mkdir -p "$(DOCKER_QEMU_CCACHE_DIR)" @if test -z "$(IMAGE)" || test -z "$(TEST)"; \ then echo "Invalid target $(IMAGE)/$(TEST)"; exit 1; \ fi @@ -222,8 +224,8 @@ docker-run: docker-qemu-src -e V=3D$V -e J=3D$J -e DEBUG=3D$(DEBUG) \ -e SHOW_ENV=3D$(SHOW_ENV) \ $(if $(NOUSER),, \ - -e CCACHE_DIR=3D/var/tmp/ccache \ - -v $(DOCKER_CCACHE_DIR):/var/tmp/ccache:z \ + -v $(DOCKER_QEMU_CACHE_DIR):$(DOCKER_QEMU_CACHE_DIR) \ + -e CCACHE_DIR=3D$(DOCKER_QEMU_CCACHE_DIR) \ ) \ -v $$(readlink -e $(DOCKER_SRC_COPY)):/var/tmp/qemu:z$(COMMA)ro \ $(IMAGE) \ --=20 2.47.2 From nobody Mon Dec 15 11:10:22 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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1748948721; cv=none; d=zohomail.com; s=zohoarc; b=dkDDT6gQgPSxfFRmy3W5CAIbNwI10xEK8KG2yDxCAwu7PtesBPdU2a/Hi6WYKNZ6ojVWjmr9HbjA9jCafiqpoyiEIXCKqDm5K6n/K9whVVX27QPKMN319AXWRU67YzlPvkE/WL/0mU00Y2oHvPEorB1XnJkWXYhnNmV8KL4F1hg= ARC-Message-Signature: i=1; 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Tue, 03 Jun 2025 04:02:06 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour Subject: [PATCH v4 02/17] gitlab: disable debug info on CI builds Date: Tue, 3 Jun 2025 12:01:49 +0100 Message-ID: <20250603110204.838117-3-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::534; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x534.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948723918116600 Our default build enables debug info which adds hugely to the size of the builds as well as the size of cached objects. Disable debug info across the board to save space and reduce pressure on the CI system. We still have a number of builds which explicitly enable debug and related extra asserts like --enable-debug-tcg. Signed-off-by: Alex Benn=C3=A9e Reviewed-by: Thomas Huth --- .gitlab-ci.d/buildtest-template.yml | 1 + 1 file changed, 1 insertion(+) diff --git a/.gitlab-ci.d/buildtest-template.yml b/.gitlab-ci.d/buildtest-t= emplate.yml index 118371e377..19663126ca 100644 --- a/.gitlab-ci.d/buildtest-template.yml +++ b/.gitlab-ci.d/buildtest-template.yml @@ -24,6 +24,7 @@ - ccache --zero-stats - section_start configure "Running configure" - ../configure --enable-werror --disable-docs --enable-fdt=3Dsystem + --disable-debug-info ${TARGETS:+--target-list=3D"$TARGETS"} $CONFIGURE_ARGS || { cat config.log meson-logs/meson-log.txt && exit 1; } --=20 2.47.2 From nobody Mon Dec 15 11:10:22 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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; 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Tue, 03 Jun 2025 04:02:07 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour , Julian Armistead , Jim MacArthur Subject: [PATCH v4 03/17] tests/tcg: make aarch64 boot.S handle different starting modes Date: Tue, 3 Jun 2025 12:01:50 +0100 Message-ID: <20250603110204.838117-4-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::636; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x636.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948813339116600 Currently the boot.S code assumes everything starts at EL1. This will break things like the memory test which will barf on unaligned memory access when run at a higher level. Adapt the boot code to do some basic verification of the starting mode and the minimal configuration to move to the lower exception levels. With this we can run the memory test with: -M virt,secure=3Don -M virt,secure=3Don,virtualization=3Don -M virt,virtualisation=3Don If a test needs to be at a particular EL it can use the semihosting command line to indicate the level we should execute in. Cc: Julian Armistead Cc: Jim MacArthur Signed-off-by: Alex Benn=C3=A9e --- v4 - drop post eret nops - proper error string for EL0 error case - clamp any invalid target EL value to 1 v3 - create system stack so we _exit cleanly - normalise EL string before compares - catch when we start in a lower EL than we asked for - default to EL1 when arg unclear v2 - allow tests to control the final EL we end up at - use tabs consistently - validate command line arg is between 1 and 3 --- tests/tcg/aarch64/Makefile.softmmu-target | 3 +- tests/tcg/aarch64/system/boot.S | 172 +++++++++++++++++++++- 2 files changed, 169 insertions(+), 6 deletions(-) diff --git a/tests/tcg/aarch64/Makefile.softmmu-target b/tests/tcg/aarch64/= Makefile.softmmu-target index 9c52475b7a..f7a7d2b800 100644 --- a/tests/tcg/aarch64/Makefile.softmmu-target +++ b/tests/tcg/aarch64/Makefile.softmmu-target @@ -68,7 +68,8 @@ run-plugin-semiconsole-with-%: semiconsole =20 # vtimer test needs EL2 QEMU_EL2_MACHINE=3D-machine virt,virtualization=3Don,gic-version=3D2 -cpu = cortex-a57 -smp 4 -run-vtimer: QEMU_OPTS=3D$(QEMU_EL2_MACHINE) $(QEMU_BASE_ARGS) -kernel +QEMU_EL2_BASE_ARGS=3D-semihosting-config enable=3Don,target=3Dnative,chard= ev=3Doutput,arg=3D"2" +run-vtimer: QEMU_OPTS=3D$(QEMU_EL2_MACHINE) $(QEMU_EL2_BASE_ARGS) -kernel =20 # Simple Record/Replay Test .PHONY: memory-record diff --git a/tests/tcg/aarch64/system/boot.S b/tests/tcg/aarch64/system/boo= t.S index a5df9c173d..8bfa4e4efc 100644 --- a/tests/tcg/aarch64/system/boot.S +++ b/tests/tcg/aarch64/system/boot.S @@ -16,6 +16,7 @@ #define semihosting_call hlt 0xf000 #define SYS_WRITEC 0x03 /* character to debug channel */ #define SYS_WRITE0 0x04 /* string to debug channel */ +#define SYS_GET_CMDLINE 0x15 /* get command line */ #define SYS_EXIT 0x18 =20 .align 12 @@ -70,21 +71,172 @@ lower_a32_sync: lower_a32_irq: lower_a32_fiq: lower_a32_serror: + adr x1, .unexp_excp +exit_msg: mov x0, SYS_WRITE0 - adr x1, .error semihosting_call mov x0, 1 /* EXIT_FAILURE */ bl _exit /* never returns */ =20 .section .rodata -.error: - .string "Terminated by exception.\n" +.unexp_excp: + .string "Unexpected exception.\n" +.high_el_msg: + .string "Started in lower EL than requested.\n" +.unexp_el0: + .string "Started in invalid EL.\n" + + .align 8 +.get_cmd: + .quad cmdline + .quad 128 =20 .text .align 4 .global __start __start: + /* + * Initialise the stack for whatever EL we are in before + * anything else, we need it to be able to _exit cleanly. + * It's smaller than the stack we pass to the C code but we + * don't need much. + */ + adrp x0, system_stack_end + add x0, x0, :lo12:system_stack_end + mov sp, x0 + + /* + * The test can set the semihosting command line to the target + * EL needed for the test. However if no semihosting args are set we will + * end up with -kernel/-append data (see semihosting_arg_fallback). + * Keep the normalised target in w11. + */ + mov x0, SYS_GET_CMDLINE + adr x1, .get_cmd + semihosting_call + adrp x10, cmdline + add x10, x10, :lo12:cmdline + ldrb w11, [x10] + + /* sanity check, normalise char to EL, clamp to 1 if outside range */ + subs w11, w11, #'0' + b.lt el_default + cmp w11, #3 + b.gt el_default + b 1f + +el_high: + adr x1, .high_el_msg + b exit_msg + +el_default: + mov w11, #1 + +1: + /* Determine current Exception Level */ + mrs x0, CurrentEL + lsr x0, x0, #2 /* CurrentEL[3:2] contains the current EL */ + + /* Are we already in a lower EL than we want? */ + cmp w11, w0 + bgt el_high + + /* Branch based on current EL */ + cmp x0, #3 + b.eq setup_el3 + cmp x0, #2 + b.eq setup_el2 + cmp x0, #1 + b.eq at_testel /* Already at EL1, skip transition */ + + /* Should not be at EL0 - error out */ + adr x1, .unexp_el0 + b exit_msg + +setup_el3: + /* Ensure we trap if we get anything wrong */ + adr x0, vector_table + msr vbar_el3, x0 + + /* Does the test want to be at EL3? */ + cmp w11, #3 + beq at_testel + + /* Configure EL3 to for lower states (EL2 or EL1) */ + mrs x0, scr_el3 + orr x0, x0, #(1 << 10) /* RW =3D 1: EL2/EL1 execution state is AArch64= */ + orr x0, x0, #(1 << 0) /* NS =3D 1: Non-secure state */ + msr scr_el3, x0 + + /* + * We need to check if EL2 is actually enabled via ID_AA64PFR0_EL1, + * otherwise we should just jump straight to EL1. + */ + mrs x0, id_aa64pfr0_el1 + ubfx x0, x0, #8, #4 /* Extract EL2 field (bits 11:8) */ + cbz x0, el2_not_present /* If field is 0 no EL2 */ + + + /* Prepare SPSR for exception return to EL2 */ + mov x0, #0x3c9 /* DAIF bits and EL2h mode (9) */ + msr spsr_el3, x0 + + /* Set EL2 entry point */ + adr x0, setup_el2 + msr elr_el3, x0 + + /* Return to EL2 */ + eret + +el2_not_present: + /* Initialize SCTLR_EL1 with reset value */ + msr sctlr_el1, xzr + + /* Set EL1 entry point */ + adr x0, at_testel + msr elr_el3, x0 + + /* Prepare SPSR for exception return to EL1h with interrupts masked */ + mov x0, #0x3c5 /* DAIF bits and EL1h mode (5) */ + msr spsr_el3, x0 + + isb /* Synchronization barrier */ + eret /* Jump to EL1 */ + +setup_el2: + /* Ensure we trap if we get anything wrong */ + adr x0, vector_table + msr vbar_el2, x0 + + /* Does the test want to be at EL2? */ + cmp w11, #2 + beq at_testel + + /* Configure EL2 to allow transition to EL1 */ + mrs x0, hcr_el2 + orr x0, x0, #(1 << 31) /* RW =3D 1: EL1 execution state is AArch64 */ + msr hcr_el2, x0 + + /* Initialize SCTLR_EL1 with reset value */ + msr sctlr_el1, xzr + + /* Set EL1 entry point */ + adr x0, at_testel + msr elr_el2, x0 + + /* Prepare SPSR for exception return to EL1 */ + mov x0, #(0x5 << 0) /* EL1h (SPx), with interrupts disabled */ + msr spsr_el2, x0 + + /* Return to EL1 */ + eret + + /* + * At the target EL for the test, usually EL1. Note we still + * set everything up as if we were at EL1. + */ +at_testel: /* Installs a table of exception vectors to catch and handle all exceptions by terminating the process with a diagnostic. */ adr x0, vector_table @@ -100,7 +252,7 @@ __start: * maps RAM to the first Gb. The stage2 tables have two 2mb * translation block entries covering a series of adjacent * 4k pages. - */ + */ =20 /* Stage 1 entry: indexed by IA[38:30] */ adr x1, . /* phys address */ @@ -198,7 +350,8 @@ __start: orr x0, x0, #(3 << 16) msr cpacr_el1, x0 =20 - /* Setup some stack space and enter the test code. + /* + * Setup some stack space before we enter the test code. * Assume everything except the return value is garbage when we * return, we won't need it. */ @@ -233,6 +386,11 @@ __sys_outc: ret =20 .data + + .align 8 +cmdline: + .space 128, 0 + .align 12 =20 /* Translation table @@ -246,6 +404,10 @@ ttb_stage2: .space 4096, 0 =20 .align 12 +system_stack: + .space 4096, 0 +system_stack_end: + stack: .space 65536, 0 stack_end: --=20 2.47.2 From nobody Mon Dec 15 11:10:22 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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Tue, 03 Jun 2025 04:02:08 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour , Nabih Estefan , Richard Henderson Subject: [PATCH v4 04/17] tests/qtest: Avoid unaligned access in IGB test Date: Tue, 3 Jun 2025 12:01:51 +0100 Message-ID: <20250603110204.838117-5-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::52b; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x52b.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948772543116600 From: Nabih Estefan ../tests/qtest/libqos/igb.c:106:5: runtime error: load of misaligned addr= ess 0x562040be8e33 for type 'uint32_t', which requires 4 byte alignment Instead of straight casting the uint8_t array, we can use ldl_le_p and lduw_l_p to assure the unaligned access works properly against uint32_t and uint16_t. Signed-off-by: Nabih Estefan Reviewed-by: Laurent Vivier Tested-by: Laurent Vivier Reviewed-by: Richard Henderson Message-Id: <20250429155621.2028198-1-nabihestefan@google.com> [AJB: fix commit message, remove unneeded casts] Signed-off-by: Alex Benn=C3=A9e Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- v3 - update commit title to Philippe's suggestion v2 - change title to reflect test that failed - re-phrase ldl functions to assure unaligned works - remove excess ()'s --- tests/qtest/libqos/igb.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/tests/qtest/libqos/igb.c b/tests/qtest/libqos/igb.c index f40c4ec4cd..ab3ef6f0c3 100644 --- a/tests/qtest/libqos/igb.c +++ b/tests/qtest/libqos/igb.c @@ -104,10 +104,10 @@ static void igb_pci_start_hw(QOSGraphObject *obj) e1000e_macreg_write(&d->e1000e, E1000_RDT(0), 0); e1000e_macreg_write(&d->e1000e, E1000_RDH(0), 0); e1000e_macreg_write(&d->e1000e, E1000_RA, - le32_to_cpu(*(uint32_t *)address)); + ldl_le_p(address)); e1000e_macreg_write(&d->e1000e, E1000_RA + 4, E1000_RAH_AV | E1000_RAH_POOL_1 | - le16_to_cpu(*(uint16_t *)(address + 4))); 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Tue, 03 Jun 2025 04:02:09 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour Subject: [PATCH v4 05/17] contrib/plugins: add a scaling factor to the ips arg Date: Tue, 3 Jun 2025 12:01:52 +0100 Message-ID: <20250603110204.838117-6-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::635; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x635.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948794886116600 It's easy to get lost in zeros while setting the numbers of instructions per second. Add a scaling suffix to make things simpler. Signed-off-by: Alex Benn=C3=A9e Reviewed-by: Pierrick Bouvier --- v2 - normalise the suffix before a full strcmp0 - check endptr actually set - fix checkpatch - scale_entry -> ScaleEntry - drop hz from suffix --- contrib/plugins/ips.c | 34 +++++++++++++++++++++++++++++++++- 1 file changed, 33 insertions(+), 1 deletion(-) diff --git a/contrib/plugins/ips.c b/contrib/plugins/ips.c index e5297dbb01..eb4418c25b 100644 --- a/contrib/plugins/ips.c +++ b/contrib/plugins/ips.c @@ -129,6 +129,18 @@ static void plugin_exit(qemu_plugin_id_t id, void *uda= ta) qemu_plugin_scoreboard_free(vcpus); } =20 +typedef struct { + const char *suffix; + unsigned long multipler; +} ScaleEntry; + +/* a bit like units.h but not binary */ +static ScaleEntry scales[] =3D { + { "k", 1000 }, + { "m", 1000 * 1000 }, + { "g", 1000 * 1000 * 1000 }, +}; + QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin_id_t id, const qemu_info_t *info, int ar= gc, char **argv) @@ -137,12 +149,32 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugi= n_id_t id, char *opt =3D argv[i]; g_auto(GStrv) tokens =3D g_strsplit(opt, "=3D", 2); if (g_strcmp0(tokens[0], "ips") =3D=3D 0) { - max_insn_per_second =3D g_ascii_strtoull(tokens[1], NULL, 10); + char *endptr =3D NULL; + max_insn_per_second =3D g_ascii_strtoull(tokens[1], &endptr, 1= 0); if (!max_insn_per_second && errno) { fprintf(stderr, "%s: couldn't parse %s (%s)\n", __func__, tokens[1], g_strerror(errno)); return -1; } + + if (endptr && *endptr !=3D 0) { + g_autofree gchar *lower =3D g_utf8_strdown(endptr, -1); + unsigned long scale =3D 0; + + for (int j =3D 0; j < G_N_ELEMENTS(scales); j++) { + if (g_strcmp0(lower, scales[j].suffix) =3D=3D 0) { + scale =3D scales[j].multipler; + break; + } + } + + if (scale) { + max_insn_per_second *=3D scale; + } else { + fprintf(stderr, "bad suffix: %s\n", endptr); + return -1; + } + } } else { fprintf(stderr, "option parsing failed: %s\n", opt); return -1; --=20 2.47.2 From nobody Mon Dec 15 11:10:22 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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Tue, 03 Jun 2025 04:02:10 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour Subject: [PATCH v4 06/17] contrib/plugins: allow setting of instructions per quantum Date: Tue, 3 Jun 2025 12:01:53 +0100 Message-ID: <20250603110204.838117-7-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::62c; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x62c.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948596647116600 The default is we update time every 1/10th of a second or so. However for some cases we might want to update time more frequently. Allow this to be set via the command line through the ipq argument. Signed-off-by: Alex Benn=C3=A9e Reviewed-by: Pierrick Bouvier --- v4 - simplify error checking, don't bother with errno v3 - error checking for ipq v2 - checkpatch fixes. --- docs/about/emulation.rst | 4 ++++ contrib/plugins/ips.c | 15 ++++++++++++++- 2 files changed, 18 insertions(+), 1 deletion(-) diff --git a/docs/about/emulation.rst b/docs/about/emulation.rst index a72591ee4d..456d01d5b0 100644 --- a/docs/about/emulation.rst +++ b/docs/about/emulation.rst @@ -811,6 +811,10 @@ This plugin can limit the number of Instructions Per S= econd that are executed:: * - ips=3DN - Maximum number of instructions per cpu that can be executed in one s= econd. The plugin will sleep when the given number of instructions is reach= ed. + * - ipq=3DN + - Instructions per quantum. How many instructions before we re-calcula= te time. + The lower the number the more accurate time will be, but the less ef= ficient the plugin. + Defaults to ips/10 =20 Other emulation features ------------------------ diff --git a/contrib/plugins/ips.c b/contrib/plugins/ips.c index eb4418c25b..c9948976f6 100644 --- a/contrib/plugins/ips.c +++ b/contrib/plugins/ips.c @@ -145,6 +145,8 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin_= id_t id, const qemu_info_t *info, int ar= gc, char **argv) { + bool ipq_set =3D false; + for (int i =3D 0; i < argc; i++) { char *opt =3D argv[i]; g_auto(GStrv) tokens =3D g_strsplit(opt, "=3D", 2); @@ -175,6 +177,14 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin= _id_t id, return -1; } } + } else if (g_strcmp0(tokens[0], "ipq") =3D=3D 0) { + max_insn_per_quantum =3D g_ascii_strtoull(tokens[1], NULL, 10); + + if (!max_insn_per_quantum) { + fprintf(stderr, "bad ipq value: %s\n", tokens[0]); + return -1; + } + ipq_set =3D true; } else { fprintf(stderr, "option parsing failed: %s\n", opt); return -1; @@ -182,7 +192,10 @@ QEMU_PLUGIN_EXPORT int qemu_plugin_install(qemu_plugin= _id_t id, } =20 vcpus =3D qemu_plugin_scoreboard_new(sizeof(vCPUTime)); - max_insn_per_quantum =3D max_insn_per_second / NUM_TIME_UPDATE_PER_SEC; + + if (!ipq_set) { + max_insn_per_quantum =3D max_insn_per_second / NUM_TIME_UPDATE_PER= _SEC; + } =20 if (max_insn_per_quantum =3D=3D 0) { fprintf(stderr, "minimum of %d instructions per second needed\n", --=20 2.47.2 From nobody Mon Dec 15 11:10:22 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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1748948772; cv=none; d=zohomail.com; s=zohoarc; b=hilXLVpIr3fgzIPvX3nMexhEDh0y1N6j+FHZMQidKC2ZumL9EjUhBVTOVadIY4hglOxjEppsd10zq12KcgPGo3izbbH9iOiyLaNfThkJ5E6OUfT/CdPUmy1XnxJk14Vz5DNU50DtJ/V5nSFmk8gW1Hh7A05VGFPBLSZxoZrJW8U= ARC-Message-Signature: i=1; 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Tue, 03 Jun 2025 04:02:09 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour Subject: [PATCH v4 07/17] MAINTAINERS: add myself to virtio-gpu for Odd Fixes Date: Tue, 3 Jun 2025 12:01:54 +0100 Message-ID: <20250603110204.838117-8-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::632; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x632.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948774579116600 Seeing as I've taken a few patches to here now I might as well put myself forward to maintain virtio-gpu. I've marked it as Odd Fixes as it is not my core focus. If someone with more GPU experience comes forward we can always update again. Reviewed-by: Markus Armbruster Signed-off-by: Alex Benn=C3=A9e --- v2 - s/M:/S:/ for the maintainer entry --- MAINTAINERS | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/MAINTAINERS b/MAINTAINERS index 16af37986a..7718199979 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -2668,7 +2668,8 @@ F: hw/display/ramfb*.c F: include/hw/display/ramfb.h =20 virtio-gpu -S: Orphan +M: Alex Benn=C3=A9e +S: Odd Fixes F: hw/display/virtio-gpu* F: hw/display/virtio-vga.* F: include/hw/virtio/virtio-gpu.h --=20 2.47.2 From nobody Mon Dec 15 11:10:22 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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1748948767; cv=none; d=zohomail.com; s=zohoarc; b=gUTK/0/u0Wn0BVjObMOeM5zoNYhqu9DNHrQyX6+hjeKuCJPSIapwtyJlShviFh4EvcfaQy0BDXa14m36+XA0CX6JlvkouAaJHm8JGbC7YcKYQf9DzSdIk4tpapDALiSiZNgPDuAjnszuwIWj2M29aXteaBh52s2qYWtQPn9GXok= ARC-Message-Signature: i=1; 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Tue, 03 Jun 2025 04:02:12 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour Subject: [PATCH v4 08/17] MAINTAINERS: add Akihiko and Dmitry as reviewers Date: Tue, 3 Jun 2025 12:01:55 +0100 Message-ID: <20250603110204.838117-9-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::52c; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x52c.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948768421116600 Thanks for volunteering to help. Cc: Akihiko Odaki Cc: Dmitry Osipenko Reviewed-by: Markus Armbruster Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Alex Benn=C3=A9e Acked-by: Michael S. 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Tue, 03 Jun 2025 04:02:13 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour , Manos Pitsidianakis , qemu-stable@nongnu.org Subject: [PATCH v4 09/17] hw/display: re-arrange memory region tracking Date: Tue, 3 Jun 2025 12:01:56 +0100 Message-ID: <20250603110204.838117-10-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::62e; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x62e.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948752532116600 QOM objects can be embedded in other QOM objects and managed as part of their lifetime but this isn't the case for virtio_gpu_virgl_hostmem_region. However before we can split it out we need some other way of associating the wider data structure with the memory region. Fortunately MemoryRegion has an opaque pointer. This is passed down to MemoryRegionOps for device type regions but is unused in the memory_region_init_ram_ptr() case. Use the opaque to carry the reference and allow the final MemoryRegion object to be reaped when its reference count is cleared. Signed-off-by: Manos Pitsidianakis Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Alex Benn=C3=A9e Message-Id: <20250410122643.1747913-2-manos.pitsidianakis@linaro.org> Cc: qemu-stable@nongnu.org --- include/system/memory.h | 1 + hw/display/virtio-gpu-virgl.c | 23 ++++++++--------------- 2 files changed, 9 insertions(+), 15 deletions(-) diff --git a/include/system/memory.h b/include/system/memory.h index fc35a0dcad..90715ff44a 100644 --- a/include/system/memory.h +++ b/include/system/memory.h @@ -784,6 +784,7 @@ struct MemoryRegion { DeviceState *dev; =20 const MemoryRegionOps *ops; + /* opaque data, used by backends like @ops */ void *opaque; MemoryRegion *container; int mapped_via_alias; /* Mapped via an alias, container might be NULL = */ diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index 145a0b3879..71a7500de9 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -52,17 +52,11 @@ virgl_get_egl_display(G_GNUC_UNUSED void *cookie) =20 #if VIRGL_VERSION_MAJOR >=3D 1 struct virtio_gpu_virgl_hostmem_region { - MemoryRegion mr; + MemoryRegion *mr; struct VirtIOGPU *g; bool finish_unmapping; }; =20 -static struct virtio_gpu_virgl_hostmem_region * -to_hostmem_region(MemoryRegion *mr) -{ - return container_of(mr, struct virtio_gpu_virgl_hostmem_region, mr); -} - static void virtio_gpu_virgl_resume_cmdq_bh(void *opaque) { VirtIOGPU *g =3D opaque; @@ -73,14 +67,12 @@ static void virtio_gpu_virgl_resume_cmdq_bh(void *opaqu= e) static void virtio_gpu_virgl_hostmem_region_free(void *obj) { MemoryRegion *mr =3D MEMORY_REGION(obj); - struct virtio_gpu_virgl_hostmem_region *vmr; + struct virtio_gpu_virgl_hostmem_region *vmr =3D mr->opaque; VirtIOGPUBase *b; VirtIOGPUGL *gl; =20 - vmr =3D to_hostmem_region(mr); - vmr->finish_unmapping =3D true; - b =3D VIRTIO_GPU_BASE(vmr->g); + vmr->finish_unmapping =3D true; b->renderer_blocked--; =20 /* @@ -118,8 +110,8 @@ virtio_gpu_virgl_map_resource_blob(VirtIOGPU *g, =20 vmr =3D g_new0(struct virtio_gpu_virgl_hostmem_region, 1); vmr->g =3D g; + mr =3D g_new0(MemoryRegion, 1); =20 - mr =3D &vmr->mr; memory_region_init_ram_ptr(mr, OBJECT(mr), "blob", size, data); memory_region_add_subregion(&b->hostmem, offset, mr); memory_region_set_enabled(mr, true); @@ -131,7 +123,9 @@ virtio_gpu_virgl_map_resource_blob(VirtIOGPU *g, * command processing until MR is fully unreferenced and freed. */ OBJECT(mr)->free =3D virtio_gpu_virgl_hostmem_region_free; + mr->opaque =3D vmr; =20 + vmr->mr =3D mr; res->mr =3D mr; =20 return 0; @@ -142,16 +136,15 @@ virtio_gpu_virgl_unmap_resource_blob(VirtIOGPU *g, struct virtio_gpu_virgl_resource *res, bool *cmd_suspended) { - struct virtio_gpu_virgl_hostmem_region *vmr; VirtIOGPUBase *b =3D VIRTIO_GPU_BASE(g); MemoryRegion *mr =3D res->mr; + struct virtio_gpu_virgl_hostmem_region *vmr; int ret; =20 if (!mr) { return 0; } - - vmr =3D to_hostmem_region(res->mr); + vmr =3D mr->opaque; =20 /* * Perform async unmapping in 3 steps: --=20 2.47.2 From nobody Mon Dec 15 11:10:22 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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Tue, 03 Jun 2025 04:02:11 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour , Manos Pitsidianakis , qemu-stable@nongnu.org Subject: [PATCH v4 10/17] virtio-gpu: refactor async blob unmapping Date: Tue, 3 Jun 2025 12:01:57 +0100 Message-ID: <20250603110204.838117-11-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::52e; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x52e.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948758408116600 From: Manos Pitsidianakis Change the 3 part async cleanup of a blob memory mapping to check if the unmapping has finished already after deleting the subregion; this condition allows us to skip suspending the command and responding to the guest right away. Signed-off-by: Manos Pitsidianakis Reviewed-by: Philippe Mathieu-Daud=C3=A9 Message-Id: <20250410122643.1747913-4-manos.pitsidianakis@linaro.org> Cc: qemu-stable@nongnu.org --- hw/display/virtio-gpu-virgl.c | 35 +++++++++++++++++++++++++---------- 1 file changed, 25 insertions(+), 10 deletions(-) diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index 71a7500de9..b4aa8abb96 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -155,7 +155,32 @@ virtio_gpu_virgl_unmap_resource_blob(VirtIOGPU *g, * asynchronously by virtio_gpu_virgl_hostmem_region_free(). * 3. Finish the unmapping with final virgl_renderer_resource_unmap(). */ + + /* 1. Check if we should start unmapping now */ + if (!vmr->finish_unmapping) { + /* begin async unmapping. render will be unblocked once MR is free= d */ + b->renderer_blocked++; + + memory_region_set_enabled(mr, false); + memory_region_del_subregion(&b->hostmem, mr); + object_unparent(OBJECT(mr)); + /* + * The unmapping might have already finished at this point if no o= ne + * else held a reference to the MR; if yes, we can skip suspending= the + * command and unmap the resource right away. + */ + *cmd_suspended =3D !vmr->finish_unmapping; + } + + /* + * 2. if virtio_gpu_virgl_hostmem_region_free hasn't been executed yet= , we + * have marked the command to be re-processed later by setting + * cmd_suspended to true. The freeing callback will be called from RCU + * context later. + */ + if (vmr->finish_unmapping) { + /* 3. MemoryRegion has been freed, so finish unmapping */ res->mr =3D NULL; g_free(vmr); =20 @@ -166,16 +191,6 @@ virtio_gpu_virgl_unmap_resource_blob(VirtIOGPU *g, __func__, strerror(-ret)); return ret; } - } else { - *cmd_suspended =3D true; - - /* render will be unblocked once MR is freed */ - b->renderer_blocked++; - - /* memory region owns self res->mr object and frees it by itself */ - memory_region_set_enabled(mr, false); - memory_region_del_subregion(&b->hostmem, mr); - object_unparent(OBJECT(mr)); } =20 return 0; --=20 2.47.2 From nobody Mon Dec 15 11:10:22 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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1748948783; cv=none; d=zohomail.com; s=zohoarc; b=Upnd8Y22Lo/M6mm+m9Qv6Q535zZNDRRhzAdbcB8yw2pVC4XDYvMrecJegMPwr6gsHaWdTMD6tZ/FqcNAYxibQrp67v+aoPEjka3o+M48Zjr85W9mg41deG9qe0AXyzQhQBiZ6BvPeRozC3AsBxLJyELyeeMMCWldRZ/LhHZq9Kk= ARC-Message-Signature: i=1; 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Tue, 03 Jun 2025 04:02:10 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour , Dongwon Kim , Vivek Kasireddy Subject: [PATCH v4 11/17] ui/gtk-gl-area: Remove extra draw call in refresh Date: Tue, 3 Jun 2025 12:01:58 +0100 Message-ID: <20250603110204.838117-12-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::630; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x630.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948784728116601 From: Dongwon Kim This partially reverts commit 77bf310084dad38b3a2badf01766c659056f1cf2 which causes some guest display corruption when gtk-gl-area is used for GTK rendering (e.g. Wayland Compositor) possibly due to simulataneous accesses on the guest frame buffer by host compositor and the guest. Fixes: 77bf310084 ("ui/gtk: Draw guest frame at refresh cycle") Reported-by: Dmitry Osipenko Reported-by: Alex Benn=C3=A9e Tested-by: Alex Benn=C3=A9e Tested-by: Dmitry Osipenko Reviewed-by: Alex Benn=C3=A9e Reviewed-by: Dmitry Osipenko Cc: Marc-Andr=C3=A9 Lureau Cc: Vivek Kasireddy Signed-off-by: Dongwon Kim Message-Id: <20250214170813.2234754-1-dongwon.kim@intel.com> Signed-off-by: Alex Benn=C3=A9e --- ui/gtk-gl-area.c | 1 - 1 file changed, 1 deletion(-) diff --git a/ui/gtk-gl-area.c b/ui/gtk-gl-area.c index 8151cc413c..429ba914e0 100644 --- a/ui/gtk-gl-area.c +++ b/ui/gtk-gl-area.c @@ -168,7 +168,6 @@ void gd_gl_area_refresh(DisplayChangeListener *dcl) =20 if (vc->gfx.guest_fb.dmabuf && qemu_dmabuf_get_draw_submitted(vc->gfx.guest_fb.dmabuf)) { - gd_gl_area_draw(vc); return; } =20 --=20 2.47.2 From nobody Mon Dec 15 11:10:22 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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Tue, 03 Jun 2025 04:02:11 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour , Yiwei Zhang , qemu-stable@nongnu.org Subject: [PATCH v4 12/17] virtio-gpu: support context init multiple timeline Date: Tue, 3 Jun 2025 12:01:59 +0100 Message-ID: <20250603110204.838117-13-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::52b; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x52b.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948724030116600 From: Yiwei Zhang Venus and later native contexts have their own fence context along with multiple timelines within. Fences wtih VIRTIO_GPU_FLAG_INFO_RING_IDX in the flags must be dispatched to be created on the target context. Fence signaling also has to be handled on the specific timeline within that target context. Before this change, venus fencing is completely broken if the host driver doesn't support implicit fencing with external memory objects. Frames can go backwards along with random artifacts on screen if the host driver doesn't attach an implicit fence to the render target. The symptom could be hidden by certain guest wsi backend that waits on a venus native VkFence object for the actual payload with limited present modes or under special configs. e.g. x11 mailbox or xwayland. After this change, everything related to venus fencing starts making sense. Confirmed this via guest and host side perfetto tracing. Cc: Fixes: 94d0ea1c1928 ("virtio-gpu: Support Venus context") Signed-off-by: Yiwei Zhang Reviewed-by: Dmitry Osipenko Message-Id: <20250518152651.334115-1-zzyiwei@gmail.com> [AJB: remove version history from commit message] Signed-off-by: Alex Benn=C3=A9e Tested-by: Dmitry Osipenko --- hw/display/virtio-gpu-virgl.c | 44 +++++++++++++++++++++++++++++++++++ 1 file changed, 44 insertions(+) diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c index b4aa8abb96..cea2e12eb9 100644 --- a/hw/display/virtio-gpu-virgl.c +++ b/hw/display/virtio-gpu-virgl.c @@ -978,6 +978,15 @@ void virtio_gpu_virgl_process_cmd(VirtIOGPU *g, } =20 trace_virtio_gpu_fence_ctrl(cmd->cmd_hdr.fence_id, cmd->cmd_hdr.type); +#if VIRGL_VERSION_MAJOR >=3D 1 + if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_INFO_RING_IDX) { + virgl_renderer_context_create_fence(cmd->cmd_hdr.ctx_id, + VIRGL_RENDERER_FENCE_FLAG_MERG= EABLE, + cmd->cmd_hdr.ring_idx, + cmd->cmd_hdr.fence_id); + return; + } +#endif virgl_renderer_create_fence(cmd->cmd_hdr.fence_id, cmd->cmd_hdr.type); } =20 @@ -991,6 +1000,11 @@ static void virgl_write_fence(void *opaque, uint32_t = fence) * the guest can end up emitting fences out of order * so we should check all fenced cmds not just the first one. */ +#if VIRGL_VERSION_MAJOR >=3D 1 + if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_INFO_RING_IDX) { + continue; + } +#endif if (cmd->cmd_hdr.fence_id > fence) { continue; } @@ -1005,6 +1019,29 @@ static void virgl_write_fence(void *opaque, uint32_t= fence) } } =20 +#if VIRGL_VERSION_MAJOR >=3D 1 +static void virgl_write_context_fence(void *opaque, uint32_t ctx_id, + uint32_t ring_idx, uint64_t fence_id= ) { + VirtIOGPU *g =3D opaque; + struct virtio_gpu_ctrl_command *cmd, *tmp; + + QTAILQ_FOREACH_SAFE(cmd, &g->fenceq, next, tmp) { + if (cmd->cmd_hdr.flags & VIRTIO_GPU_FLAG_INFO_RING_IDX && + cmd->cmd_hdr.ctx_id =3D=3D ctx_id && cmd->cmd_hdr.ring_idx =3D= =3D ring_idx && + cmd->cmd_hdr.fence_id <=3D fence_id) { + trace_virtio_gpu_fence_resp(cmd->cmd_hdr.fence_id); + virtio_gpu_ctrl_response_nodata(g, cmd, VIRTIO_GPU_RESP_OK_NOD= ATA); + QTAILQ_REMOVE(&g->fenceq, cmd, next); + g_free(cmd); + g->inflight--; + if (virtio_gpu_stats_enabled(g->parent_obj.conf)) { + trace_virtio_gpu_dec_inflight_fences(g->inflight); + } + } + } +} +#endif + static virgl_renderer_gl_context virgl_create_context(void *opaque, int scanout_idx, struct virgl_renderer_gl_ctx_param *params) @@ -1039,11 +1076,18 @@ static int virgl_make_context_current(void *opaque,= int scanout_idx, } =20 static struct virgl_renderer_callbacks virtio_gpu_3d_cbs =3D { +#if VIRGL_VERSION_MAJOR >=3D 1 + .version =3D 3, +#else .version =3D 1, +#endif .write_fence =3D virgl_write_fence, .create_gl_context =3D virgl_create_context, .destroy_gl_context =3D virgl_destroy_context, .make_current =3D virgl_make_context_current, +#if VIRGL_VERSION_MAJOR >=3D 1 + .write_context_fence =3D virgl_write_context_fence, +#endif }; =20 static void virtio_gpu_print_stats(void *opaque) --=20 2.47.2 From nobody Mon Dec 15 11:10:22 2025 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; 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Tue, 03 Jun 2025 04:02:14 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour , Richard Henderson Subject: [PATCH v4 13/17] include/exec: fix assert in size_memop Date: Tue, 3 Jun 2025 12:02:00 +0100 Message-ID: <20250603110204.838117-14-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::534; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x534.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948611597116600 We can handle larger sized memops now, expand the range of the assert. Fixes: 4b473e0c60 (tcg: Expand MO_SIZE to 3 bits) Signed-off-by: Alex Benn=C3=A9e Reviewed-by: Richard Henderson --- v2 - instead of 128 use 1 << MO_SIZE for future proofing v3 - fix comment, 1 << MO_SIZE goes to 1024 v4 - assert is_power_of_2() --- include/exec/memop.h | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/include/exec/memop.h b/include/exec/memop.h index 407a47d82c..cf7da3362e 100644 --- a/include/exec/memop.h +++ b/include/exec/memop.h @@ -162,8 +162,8 @@ static inline unsigned memop_size(MemOp op) static inline MemOp size_memop(unsigned size) { #ifdef CONFIG_DEBUG_TCG - /* Power of 2 up to 8. */ - assert((size & (size - 1)) =3D=3D 0 && size >=3D 1 && size <=3D 8); + /* Power of 2 up to 1024 */ + assert(is_power_of_2(size) && size >=3D 1 && size <=3D (1 << MO_SIZE)); #endif return (MemOp)ctz32(size); } --=20 2.47.2 From nobody Mon Dec 15 11:10:22 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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Tue, 03 Jun 2025 04:02:16 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour Subject: [PATCH v4 14/17] include/gdbstub: fix include guard in commands.h Date: Tue, 3 Jun 2025 12:02:01 +0100 Message-ID: <20250603110204.838117-15-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::62d; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x62d.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948784698116600 Reviewed-by: Pierrick Bouvier Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Alex Benn=C3=A9e --- include/gdbstub/commands.h | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/include/gdbstub/commands.h b/include/gdbstub/commands.h index 40f0514fe9..bff3674872 100644 --- a/include/gdbstub/commands.h +++ b/include/gdbstub/commands.h @@ -1,5 +1,5 @@ #ifndef GDBSTUB_COMMANDS_H -#define GDBSTUB +#define GDBSTUB_COMMANDS_H =20 typedef void (*GdbCmdHandler)(GArray *params, void *user_ctx); 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Tue, 03 Jun 2025 04:02:14 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour Subject: [PATCH v4 15/17] gdbstub: assert earlier in handle_read_all_regs Date: Tue, 3 Jun 2025 12:02:02 +0100 Message-ID: <20250603110204.838117-16-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::534; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x534.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948766443116600 When things go wrong we want to assert on the register that failed to be able to figure out what went wrong. Reviewed-by: Pierrick Bouvier Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Alex Benn=C3=A9e --- gdbstub/gdbstub.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index 565f6b33a9..6023c80d25 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -1343,8 +1343,8 @@ static void handle_read_all_regs(GArray *params, void= *user_ctx) len +=3D gdb_read_register(gdbserver_state.g_cpu, gdbserver_state.mem_buf, reg_id); + g_assert(len =3D=3D gdbserver_state.mem_buf->len); } - g_assert(len =3D=3D gdbserver_state.mem_buf->len); =20 gdb_memtohex(gdbserver_state.str_buf, gdbserver_state.mem_buf->data, l= en); gdb_put_strbuf(); --=20 2.47.2 From nobody Mon Dec 15 11:10:22 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=none dis=none) header.from=linaro.org ARC-Seal: i=1; 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Tue, 03 Jun 2025 04:02:15 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour , Dominik 'Disconnect3d' Czarnota , Patryk 'patryk4815' Sondej Subject: [PATCH v4 16/17] gdbstub: Implement qGDBServerVersion packet Date: Tue, 3 Jun 2025 12:02:03 +0100 Message-ID: <20250603110204.838117-17-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::533; envelope-from=alex.bennee@linaro.org; helo=mail-ed1-x533.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948857621116600 From: Dominik 'Disconnect3d' Czarnota This commit adds support for the `qGDBServerVersion` packet to the qemu gdbstub which could be used by clients to detect the QEMU version (and, e.g., use a workaround for known bugs). This packet is not documented/standarized by GDB but it was implemented by LLDB gdbstub [0] and is helpful for projects like Pwndbg [1]. This has been implemented by Patryk, who I included in Co-authored-by and who asked me to send the patch. [0] https://lldb.llvm.org/resources/lldbgdbremote.html#qgdbserverversion [1] https://github.com/pwndbg/pwndbg/issues/2648 Co-authored-by: Patryk 'patryk4815' Sondej Signed-off-by: Dominik 'Disconnect3d' Czarnota Message-Id: <20250403191340.53343-1-dominik.b.czarnota@gmail.com> [AJB: fix include, checkpatch linewrap] Signed-off-by: Alex Benn=C3=A9e --- gdbstub/gdbstub.c | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) diff --git a/gdbstub/gdbstub.c b/gdbstub/gdbstub.c index 6023c80d25..def0b7e877 100644 --- a/gdbstub/gdbstub.c +++ b/gdbstub/gdbstub.c @@ -28,6 +28,7 @@ #include "qemu/cutils.h" #include "qemu/module.h" #include "qemu/error-report.h" +#include "qemu/target-info.h" #include "trace.h" #include "exec/gdbstub.h" #include "gdbstub/commands.h" @@ -1597,6 +1598,18 @@ static void handle_query_threads(GArray *params, voi= d *user_ctx) gdbserver_state.query_cpu =3D gdb_next_attached_cpu(gdbserver_state.qu= ery_cpu); } =20 +static void handle_query_gdb_server_version(GArray *params, void *user_ctx) +{ +#if defined(CONFIG_USER_ONLY) + g_string_printf(gdbserver_state.str_buf, "name:qemu-%s;version:%s;", + target_name(), QEMU_VERSION); +#else + g_string_printf(gdbserver_state.str_buf, "name:qemu-system-%s;version:= %s;", + target_name(), QEMU_VERSION); +#endif + gdb_put_strbuf(); +} + static void handle_query_first_threads(GArray *params, void *user_ctx) { gdbserver_state.query_cpu =3D gdb_first_attached_cpu(); @@ -1842,6 +1855,10 @@ static const GdbCmdParseEntry gdb_gen_query_table[] = =3D { .handler =3D handle_query_threads, .cmd =3D "sThreadInfo", }, + { + .handler =3D handle_query_gdb_server_version, + .cmd =3D "GDBServerVersion", + }, { .handler =3D handle_query_first_threads, .cmd =3D "fThreadInfo", --=20 2.47.2 From nobody Mon Dec 15 11:10:22 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=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1748948833; cv=none; d=zohomail.com; s=zohoarc; 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Tue, 03 Jun 2025 04:02:15 -0700 (PDT) From: =?UTF-8?q?Alex=20Benn=C3=A9e?= To: qemu-devel@nongnu.org Cc: Sriram Yagnaraman , Akihiko Odaki , "Michael S. Tsirkin" , Dmitry Osipenko , Paolo Bonzini , Peter Maydell , John Snow , =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= , Pierrick Bouvier , Peter Xu , =?UTF-8?q?Alex=20Benn=C3=A9e?= , Fabiano Rosas , qemu-arm@nongnu.org, Thomas Huth , Alexandre Iooss , Gustavo Romero , Markus Armbruster , David Hildenbrand , =?UTF-8?q?Daniel=20P=2E=20Berrang=C3=A9?= , Laurent Vivier , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Mahmoud Mandour , Manos Pitsidianakis Subject: [PATCH v4 17/17] gdbstub: update aarch64-core.xml Date: Tue, 3 Jun 2025 12:02:04 +0100 Message-ID: <20250603110204.838117-18-alex.bennee@linaro.org> X-Mailer: git-send-email 2.47.2 In-Reply-To: <20250603110204.838117-1-alex.bennee@linaro.org> References: <20250603110204.838117-1-alex.bennee@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::636; envelope-from=alex.bennee@linaro.org; helo=mail-ej1-x636.google.com X-Spam_score_int: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 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, RCVD_IN_SBL_CSS=3.335, 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: 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: 1748948835634116600 From: Manos Pitsidianakis Update aarch64-core.xml to include field definitions for PSTATE, which in gdb is modelled in the cpsr (current program status register) pseudo-register, named after the actual cpsr register in armv7. Defining the fields layout of the register allows easy inspection of for example, the current exception level (EL): For example. Before booting a Linux guest, EL=3D2, but after booting and Ctrl-C'ing in gdb, we get EL=3D0: (gdb) info registers $cpsr cpsr 0x20402009 [ SP EL=3D2 BTYPE=3D0 PAN C ] (gdb) cont Continuing. ^C Thread 2 received signal SIGINT, Interrupt. 0x0000ffffaaff286c in ?? () (gdb) info registers $cpsr cpsr 0x20001000 [ EL=3D0 BTYPE=3D0 SSBS C ] The aarch64-core.xml has been updated to match exactly the version retrieved from upstream gdb, retrieved in 2025-05-19 from HEAD commit 9f4dc0b137c86f6ff2098cb1ab69442c69d6023d. Link: https://sourceware.org/git/?p=3Dbinutils-gdb.git;a=3Dblob;f=3Dgdb/fea= tures/aarch64-core.xml;h=3Db8046510b9a085d30463d37b3ecc8d435f5fb7a4;hb=3DHE= AD Signed-off-by: Manos Pitsidianakis Message-Id: <20250519-gdbstub-aarch64-pstate-xml-v1-1-b4dbe87fe7c6@linaro.o= rg> [AJB: expanded upstream link] Signed-off-by: Alex Benn=C3=A9e --- gdb-xml/aarch64-core.xml | 52 ++++++++++++++++++++++++++++++++++++++-- 1 file changed, 50 insertions(+), 2 deletions(-) diff --git a/gdb-xml/aarch64-core.xml b/gdb-xml/aarch64-core.xml index e1e9dc3f91..b8046510b9 100644 --- a/gdb-xml/aarch64-core.xml +++ b/gdb-xml/aarch64-core.xml @@ -1,5 +1,5 @@ - + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + --=20 2.47.2