diff options
| author | Rob Herring <rob.herring@linaro.org> | 2014-10-24 12:19:12 +0100 |
|---|---|---|
| committer | Peter Maydell <peter.maydell@linaro.org> | 2014-10-24 12:19:12 +0100 |
| commit | 543486db353b53f3601d0b5abf652ab330261107 (patch) | |
| tree | 30ef6d4a8a7cd77c3e4d6cbf86f8c07bba3b4ad9 /target-arm/cpu.c | |
| parent | 635117e71fc697824e82cc694ba4e44dda7a9216 (diff) | |
target-arm: add powered off cpu state
Add tracking of cpu power state in order to support powering off of
cores in system emuluation. The initial state is determined by the
start-powered-off QOM property.
Signed-off-by: Rob Herring <rob.herring@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Message-id: 1412865028-17725-2-git-send-email-peter.maydell@linaro.org
Diffstat (limited to 'target-arm/cpu.c')
| -rw-r--r-- | target-arm/cpu.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/target-arm/cpu.c b/target-arm/cpu.c index edfd5868b8..67cd176377 100644 --- a/target-arm/cpu.c +++ b/target-arm/cpu.c @@ -40,7 +40,10 @@ static void arm_cpu_set_pc(CPUState *cs, vaddr value) static bool arm_cpu_has_work(CPUState *cs) { - return cs->interrupt_request & + ARMCPU *cpu = ARM_CPU(cs); + + return !cpu->powered_off + && cs->interrupt_request & (CPU_INTERRUPT_FIQ | CPU_INTERRUPT_HARD | CPU_INTERRUPT_VFIQ | CPU_INTERRUPT_VIRQ | CPU_INTERRUPT_EXITTB); @@ -93,6 +96,9 @@ static void arm_cpu_reset(CPUState *s) env->vfp.xregs[ARM_VFP_MVFR1] = cpu->mvfr1; env->vfp.xregs[ARM_VFP_MVFR2] = cpu->mvfr2; + cpu->powered_off = cpu->start_powered_off; + s->halted = cpu->start_powered_off; + if (arm_feature(env, ARM_FEATURE_IWMMXT)) { env->iwmmxt.cregs[ARM_IWMMXT_wCID] = 0x69051000 | 'Q'; } |