diff options
| author | Igor Mammedov <imammedo@redhat.com> | 2017-05-03 14:56:56 +0200 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2017-05-11 16:08:48 -0300 |
| commit | 46de5913b6779b5cf656f62f945409be00f45b94 (patch) | |
| tree | 95769fa7ce2e01d7c909e23876bbfec32dd9fa6d /target | |
| parent | 63baf8bf014fa00f0a22ce7e47f9b3ddbe891cd9 (diff) | |
hw/arm/virt: extract mp-affinity calculation in separate function
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Message-Id: <1493816238-33120-3-git-send-email-imammedo@redhat.com>
Reviewed-by: Andrew Jones <drjones@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'target')
| -rw-r--r-- | target/arm/cpu.c | 12 | ||||
| -rw-r--r-- | target/arm/cpu.h | 2 |
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) |