From: Mohamed Mediouni <mohamed@unpredictable.fr>
Date: Tue, 10 Feb 2026 11:34:49 +0000 (+0000)
Subject: target/arm: cpu: mark WHPX as supporting PSCI 1.3
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5ae1609f00347614c2744a1bf74c24e6d5776571;p=thirdparty%2Fqemu.git

target/arm: cpu: mark WHPX as supporting PSCI 1.3

Hyper-V supports PSCI 1.3, and that implementation is exposed through
WHPX.

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

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Akihiko Odaki <odaki@rsg.ci.i.u-tokyo.ac.jp>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---

diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index c535b292d9..077f1f9a74 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -23,6 +23,7 @@
 #include "qemu/timer.h"
 #include "qemu/log.h"
 #include "exec/page-vary.h"
+#include "system/whpx.h"
 #include "target/arm/idau.h"
 #include "qemu/module.h"
 #include "qapi/error.h"
@@ -1143,6 +1144,8 @@ static void arm_cpu_initfn(Object *obj)
     if (tcg_enabled() || hvf_enabled()) {
         /* TCG and HVF implement PSCI 1.1 */
         cpu->psci_version = QEMU_PSCI_VERSION_1_1;
+    } else if (whpx_enabled()) {
+        cpu->psci_version = QEMU_PSCI_VERSION_1_3;
     }
 }