From: "Philippe Mathieu-Daudé" <philmd@linaro.org>
To: qemu-devel@nongnu.org
Cc: "Philippe Mathieu-Daudé" <philmd@linaro.org>,
"Alexander Graf" <agraf@csgraf.de>,
"Mads Ynddal" <mads@ynddal.dk>,
"Peter Maydell" <peter.maydell@linaro.org>,
qemu-arm@nongnu.org
Subject: [RFC PATCH v2 09/10] target/arm/hvf: Consider EL2 acceleration for Silicon M3+ chipsets
Date: Tue, 12 Aug 2025 19:31:57 +0200 [thread overview]
Message-ID: <20250812173157.86934-2-philmd@linaro.org> (raw)
In-Reply-To: <20250812173157.86934-1-philmd@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
Just a proof-of-concept...
---
target/arm/hvf/hvf.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index 9d702b82521..84c0c0275d6 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -571,6 +571,9 @@ static struct hvf_sreg_match hvf_sreg_match[] = {
bool host_cpu_feature_supported(enum arm_features feature)
{
+ hv_return_t ret;
+ bool supported;
+
if (!hvf_enabled()) {
return false;
}
@@ -582,6 +585,9 @@ bool host_cpu_feature_supported(enum arm_features feature)
case ARM_FEATURE_GENERIC_TIMER:
return true;
case ARM_FEATURE_EL2:
+ ret = hv_vm_config_get_el2_supported(&supported);
+ assert_hvf_ok(ret);
+ return supported;
case ARM_FEATURE_EL3:
return false;
default:
--
2.49.0
next prev parent reply other threads:[~2025-08-12 17:33 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2025-08-12 17:28 [RFC PATCH v2 00/10] target/arm: Introduce host_cpu_feature_supported() API Philippe Mathieu-Daudé
2025-08-12 17:28 ` [PATCH v2 01/10] accel/system: Introduce hwaccel_enabled() helper Philippe Mathieu-Daudé
2025-08-12 17:28 ` [PATCH v2 02/10] target/arm: Use generic hwaccel_enabled() to check 'host' cpu type Philippe Mathieu-Daudé
2025-08-12 17:28 ` [PATCH v2 03/10] target/arm: Restrict PMU to system mode Philippe Mathieu-Daudé
2025-08-12 17:28 ` [PATCH v2 04/10] target/arm: Factor hvf_psci_get_target_el() out Philippe Mathieu-Daudé
2025-08-12 17:31 ` [RFC PATCH v2 05/10] target/arm: Introduce host_cpu_feature_supported() Philippe Mathieu-Daudé
2025-08-12 17:31 ` [RFC PATCH v2 06/10] target/arm: Replace kvm_arm_pmu_supported by host_cpu_feature_supported Philippe Mathieu-Daudé
2025-08-12 22:23 ` Richard Henderson
2025-08-12 17:31 ` [RFC PATCH v2 07/10] target/arm: Replace kvm_arm_el2_supported " Philippe Mathieu-Daudé
2025-08-12 22:27 ` Richard Henderson
2025-08-12 22:22 ` [RFC PATCH v2 05/10] target/arm: Introduce host_cpu_feature_supported() Richard Henderson
2025-08-12 17:31 ` [RFC PATCH v2 08/10] target/arm/hvf: Sync registers used at EL2 Philippe Mathieu-Daudé
2025-08-12 17:31 ` Philippe Mathieu-Daudé [this message]
2025-08-12 22:32 ` [RFC PATCH v2 09/10] target/arm/hvf: Consider EL2 acceleration for Silicon M3+ chipsets Richard Henderson
2025-08-12 22:31 ` [RFC PATCH v2 08/10] target/arm/hvf: Sync registers used at EL2 Richard Henderson
2025-08-13 7:20 ` Philippe Mathieu-Daudé
2025-08-13 7:35 ` Richard Henderson
2025-08-12 17:32 ` [RFC PATCH v2 10/10] target/arm/hvf: Allow EL2/EL3 emulation on Silicon M1 / M2 Philippe Mathieu-Daudé
2025-08-12 22:34 ` Richard Henderson
2025-08-13 6:08 ` Philippe Mathieu-Daudé
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