From bffe756ea10dfc5795637911f52f964d897b3283 Mon Sep 17 00:00:00 2001
From: Richard Henderson <richard.henderson@linaro.org>
Date: Tue, 16 Sep 2025 07:22:09 -0700
Subject: [PATCH] target/arm/hvf: Sort the cpreg_indexes array
MIME-Version: 1.0
Content-Type: text/plain; charset=utf8
Content-Transfer-Encoding: 8bit

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Tested-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
---
 target/arm/hvf/hvf.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/target/arm/hvf/hvf.c b/target/arm/hvf/hvf.c
index b043eac8c62..99d8672b9bc 100644
--- a/target/arm/hvf/hvf.c
+++ b/target/arm/hvf/hvf.c
@@ -925,6 +925,9 @@ int hvf_arch_init_vcpu(CPUState *cpu)
     arm_cpu->cpreg_array_len = sregs_cnt;
     arm_cpu->cpreg_vmstate_array_len = sregs_cnt;
 
+    /* cpreg tuples must be in strictly ascending order */
+    qsort(arm_cpu->cpreg_indexes, sregs_cnt, sizeof(uint64_t), compare_u64);
+
     assert(write_cpustate_to_list(arm_cpu, false));
 
     /* Set CP_NO_RAW system registers on init */
-- 
2.47.3