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From: Mohamed Mediouni <mohamed@unpredictable.fr>
To: qemu-devel@nongnu.org
Cc: "Pedro Barbuda" <pbarbuda@microsoft.com>,
	qemu-arm@nongnu.org, "Peter Maydell" <peter.maydell@linaro.org>,
	"Mohamed Mediouni" <mohamed@unpredictable.fr>,
	"Paolo Bonzini" <pbonzini@redhat.com>,
	"Phil Dennis-Jordan" <phil@philjordan.eu>,
	"Philippe Mathieu-Daudé" <philmd@linaro.org>,
	"Richard Henderson" <richard.henderson@linaro.org>,
	"Pierrick Bouvier" <pierrick.bouvier@linaro.org>
Subject: [PATCH v9 09/24] whpx: common: add WHPX_INTERCEPT_DEBUG_TRAPS define
Date: Thu, 16 Oct 2025 22:20:29 +0200	[thread overview]
Message-ID: <20251016202044.75261-10-mohamed@unpredictable.fr> (raw)
In-Reply-To: <20251016202044.75261-1-mohamed@unpredictable.fr>

As of why: WHPX on arm64 doesn't have debug trap support as of today.

Keep the exception bitmap interface for now - despite that being entirely unavailable on arm64 too.

Signed-off-by: Mohamed Mediouni <mohamed@unpredictable.fr>

Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
---
 accel/whpx/whpx-common.c     | 2 +-
 include/system/whpx-common.h | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/accel/whpx/whpx-common.c b/accel/whpx/whpx-common.c
index 95664a1df7..c0ff6cacb8 100644
--- a/accel/whpx/whpx-common.c
+++ b/accel/whpx/whpx-common.c
@@ -123,7 +123,7 @@ int whpx_first_vcpu_starting(CPUState *cpu)
          * have one or more breakpoints enabled. Both require intercepting
          * the WHvX64ExceptionTypeBreakpointTrap exception.
          */
-        exception_mask = 1UL << WHvX64ExceptionTypeDebugTrapOrFault;
+        exception_mask = 1UL << WHPX_INTERCEPT_DEBUG_TRAPS;
     } else {
         /* Let the guest handle all exceptions. */
         exception_mask = 0;
diff --git a/include/system/whpx-common.h b/include/system/whpx-common.h
index 7a7c607e0a..73b9f7c119 100644
--- a/include/system/whpx-common.h
+++ b/include/system/whpx-common.h
@@ -20,4 +20,7 @@ int whpx_first_vcpu_starting(CPUState *cpu);
 int whpx_last_vcpu_stopping(CPUState *cpu);
 void whpx_memory_init(void);
 struct whpx_breakpoint *whpx_lookup_breakpoint_by_addr(uint64_t address);
+
+/* On x64: same as WHvX64ExceptionTypeDebugTrapOrFault */
+#define WHPX_INTERCEPT_DEBUG_TRAPS 1
 #endif
-- 
2.50.1 (Apple Git-155)



  parent reply	other threads:[~2025-10-16 20:23 UTC|newest]

Thread overview: 12+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2025-10-16 20:20 [PATCH v9 00/24] WHPX support for Arm Mohamed Mediouni
2025-10-16 20:20 ` [PATCH v9 01/24] target/arm/kvm: add constants for new PSCI versions Mohamed Mediouni
2025-10-16 20:20 ` [PATCH v9 02/24] accel/system: Introduce hwaccel_enabled() helper Mohamed Mediouni
2025-10-16 20:20 ` [PATCH v9 03/24] qtest: hw/arm: virt: skip ACPI test for ITS off Mohamed Mediouni
2025-10-16 20:20 ` [PATCH v9 04/24] hw/arm: virt: add GICv2m for the case when ITS is not available Mohamed Mediouni
2025-10-16 20:20 ` [PATCH v9 05/24] tests: data: update AArch64 ACPI tables Mohamed Mediouni
2025-10-16 20:20 ` [PATCH v9 06/24] whpx: Move around files before introducing AArch64 support Mohamed Mediouni
2025-10-16 20:20 ` [PATCH v9 07/24] whpx: reshuffle common code Mohamed Mediouni
2025-10-16 20:20 ` [PATCH v9 08/24] whpx: ifdef out winhvemulation on non-x86_64 Mohamed Mediouni
2025-10-16 20:20 ` Mohamed Mediouni [this message]
2025-10-16 20:20 ` [PATCH v9 10/24] hw, target, accel: whpx: change apic_in_platform to kernel_irqchip Mohamed Mediouni
2025-10-27 15:54 ` [PATCH v9 00/24] WHPX support for Arm Peter Maydell

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