On 8/8/25 08:54, Mohamed Mediouni wrote:
Hyper-V supports PSCI 1.3, and that implementation is exposed through
WHPX.
Signed-off-by: Mohamed Mediouni <moha...@unpredictable.fr>
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouv...@linaro.org>
---
target/arm/cpu.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index e2b2337399..3b69c9786a 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"
@@ -1496,7 +1497,7 @@ static void arm_cpu_initfn(Object *obj)
cpu->psci_version = QEMU_PSCI_VERSION_0_1; /* By default assume PSCI v0.1
*/
cpu->kvm_target = QEMU_KVM_ARM_TARGET_NONE;
- if (tcg_enabled() || hvf_enabled()) {
+ if (tcg_enabled() || hvf_enabled() || whpx_enabled()) {
/* TCG and HVF implement PSCI 1.1 */
(Update comment, or simply remove it?)
cpu->psci_version = QEMU_PSCI_VERSION_1_1;
Maybe we could implement SYSTEM_RESET2, SYSTEM_OFF2 and MEM_PROTECT*
and bump to QEMU_PSCI_VERSION_1_3. Or add UNIMP stubs and here
directly start with:
} else if (whpx_enabled()) {
cpu->psci_version = QEMU_PSCI_VERSION_1_3;
}
