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-rw-r--r--target/arm/cpu.c12
-rw-r--r--target/arm/cpu.h2
2 files changed, 11 insertions, 3 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c
index b357aee778..ee1406da12 100644
--- a/target/arm/cpu.c
+++ b/target/arm/cpu.c
@@ -458,6 +458,13 @@ static void arm_disas_set_info(CPUState *cpu, disassemble_info *info)
}
}
+uint64_t arm_cpu_mp_affinity(int idx, uint8_t clustersz)
+{
+ uint32_t Aff1 = idx / clustersz;
+ uint32_t Aff0 = idx % clustersz;
+ return (Aff1 << ARM_AFF1_SHIFT) | Aff0;
+}
+
static void arm_cpu_initfn(Object *obj)
{
CPUState *cs = CPU(obj);
@@ -709,9 +716,8 @@ static void arm_cpu_realizefn(DeviceState *dev, Error **errp)
* so these bits always RAZ.
*/
if (cpu->mp_affinity == ARM64_AFFINITY_INVALID) {
- uint32_t Aff1 = cs->cpu_index / ARM_DEFAULT_CPUS_PER_CLUSTER;
- uint32_t Aff0 = cs->cpu_index % ARM_DEFAULT_CPUS_PER_CLUSTER;
- cpu->mp_affinity = (Aff1 << ARM_AFF1_SHIFT) | Aff0;
+ cpu->mp_affinity = arm_cpu_mp_affinity(cs->cpu_index,
+ ARM_DEFAULT_CPUS_PER_CLUSTER);
}
if (cpu->reset_hivecs) {
diff --git a/target/arm/cpu.h b/target/arm/cpu.h
index 1055bfef3d..048faed9b9 100644
--- a/target/arm/cpu.h
+++ b/target/arm/cpu.h
@@ -710,6 +710,8 @@ static inline ARMCPU *arm_env_get_cpu(CPUARMState *env)
return container_of(env, ARMCPU, env);
}
+uint64_t arm_cpu_mp_affinity(int idx, uint8_t clustersz);
+
#define ENV_GET_CPU(e) CPU(arm_env_get_cpu(e))
#define ENV_OFFSET offsetof(ARMCPU, env)