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Re: [RFC] accel: add cpu_reset
From: |
Claudio Fontana |
Subject: |
Re: [RFC] accel: add cpu_reset |
Date: |
Mon, 22 Mar 2021 14:54:59 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.12.0 |
On 3/22/21 2:42 PM, Philippe Mathieu-Daudé wrote:
> On 3/22/21 2:27 PM, Claudio Fontana wrote:
>> XXX
>> ---
>> accel/accel-common.c | 9 +++++++++
>> hw/core/cpu.c | 3 ++-
>> include/hw/core/accel-cpu.h | 2 ++
>> include/qemu/accel.h | 6 ++++++
>> target/i386/cpu.c | 4 ----
>> target/i386/kvm/kvm-cpu.c | 6 ++++++
>> 6 files changed, 25 insertions(+), 5 deletions(-)
>>
>>
>> This surprisingly works without moving cpu_reset() to a
>> specific_ss module, even though
>>
>> accel-common.c is specific_ss,
>> hw/core/cpu.c is common_ss.
>>
>> How come the call to accel_reset_cpu works?
>
> Each CPU optionally calls cpu_reset() manually?
Hi Philippe, are you concerned about these calls?
Or what are you highlighting here?
They in turn call cpu_reset() so we should be good right?
Ciao,
Claudio
>
> $ git grep register_reset.*cpu
> hw/arm/armv7m.c:334: qemu_register_reset(armv7m_reset, cpu);
> hw/arm/boot.c:1290: qemu_register_reset(do_cpu_reset, ARM_CPU(cs));
> hw/cris/boot.c:101: qemu_register_reset(main_cpu_reset, cpu);
> hw/lm32/lm32_boards.c:162: qemu_register_reset(main_cpu_reset,
> reset_info);
> hw/lm32/lm32_boards.c:289: qemu_register_reset(main_cpu_reset,
> reset_info);
> hw/lm32/milkymist.c:238: qemu_register_reset(main_cpu_reset, reset_info);
> hw/m68k/q800.c:247: qemu_register_reset(main_cpu_reset, cpu);
> hw/m68k/virt.c:132: qemu_register_reset(main_cpu_reset, cpu);
> hw/microblaze/boot.c:134: qemu_register_reset(main_cpu_reset, cpu);
> hw/mips/cps.c:107: qemu_register_reset(main_cpu_reset, cpu);
> hw/mips/fuloong2e.c:269: qemu_register_reset(main_cpu_reset, cpu);
> hw/mips/jazz.c:195: qemu_register_reset(main_cpu_reset, cpu);
> hw/mips/loongson3_virt.c:545: qemu_register_reset(main_cpu_reset,
> cpu);
> hw/mips/malta.c:1185: qemu_register_reset(main_cpu_reset, cpu);
> hw/mips/mipssim.c:170: qemu_register_reset(main_cpu_reset, reset_info);
> hw/moxie/moxiesim.c:120: qemu_register_reset(main_cpu_reset, cpu);
> hw/nios2/boot.c:138: qemu_register_reset(main_cpu_reset, cpu);
> hw/openrisc/openrisc_sim.c:160:
> qemu_register_reset(main_cpu_reset, cpus[n]);
> hw/ppc/e500.c:903: qemu_register_reset(ppce500_cpu_reset, cpu);
> hw/ppc/e500.c:907: qemu_register_reset(ppce500_cpu_reset_sec,
> cpu);
> hw/ppc/mac_newworld.c:156: qemu_register_reset(ppc_core99_reset,
> cpu);
> hw/ppc/mac_oldworld.c:118:
> qemu_register_reset(ppc_heathrow_reset, cpu);
> hw/ppc/ppc440_bamboo.c:192: qemu_register_reset(main_cpu_reset, cpu);
> hw/ppc/ppc4xx_devs.c:75: qemu_register_reset(ppc4xx_reset, cpu);
> hw/ppc/ppc_booke.c:369:
> qemu_register_reset(ppc_booke_timer_reset_handle, cpu);
> hw/ppc/prep.c:270: qemu_register_reset(ppc_prep_reset, cpu);
> hw/ppc/sam460ex.c:306: qemu_register_reset(main_cpu_reset, cpu);
> hw/ppc/spapr_cpu_core.c:245:
> qemu_unregister_reset(spapr_cpu_core_reset_handler, sc);
> hw/ppc/spapr_cpu_core.c:326:
> qemu_register_reset(spapr_cpu_core_reset_handler, sc);
> hw/ppc/virtex_ml507.c:233: qemu_register_reset(main_cpu_reset, cpu);
> hw/riscv/riscv_hart.c:51: qemu_register_reset(riscv_harts_cpu_reset,
> &s->harts[idx]);
> hw/sh4/r2d.c:251: qemu_register_reset(main_cpu_reset, reset_info);
> hw/sparc/leon3.c:213: qemu_register_reset(main_cpu_reset, reset_info);
> hw/sparc/sun4m.c:828: qemu_register_reset(sun4m_cpu_reset, cpu);
> hw/sparc64/sparc64.c:357: qemu_register_reset(main_cpu_reset,
> reset_info);
> hw/xtensa/sim.c:68: qemu_register_reset(sim_reset, cpu);
> hw/xtensa/xtfpga.c:270: qemu_register_reset(xtfpga_reset, cpu);
> target/i386/cpu.c:6859: qemu_register_reset(x86_cpu_machine_reset_cb,
> cpu);
> target/i386/cpu.c:6942:
> qemu_unregister_reset(x86_cpu_machine_reset_cb, dev);
> target/i386/hax/hax-all.c:230:
> qemu_register_reset(hax_reset_vcpu_state, (CPUArchState *) (cpu->env_ptr));
> target/s390x/cpu.c:232:
> qemu_register_reset(s390_cpu_machine_reset_cb, cpu);
> target/s390x/cpu.c:319:
> qemu_unregister_reset(s390_cpu_machine_reset_cb, cpu);
>
Re: [RFC] accel: add cpu_reset, Philippe Mathieu-Daudé, 2021/03/22
[PATCH v28 01/23] target/i386: Rename helper_fldt, helper_fstt, Claudio Fontana, 2021/03/22
[PATCH v28 02/23] target/i386: Split out do_fsave, do_frstor, do_fxsave, do_fxrstor, Claudio Fontana, 2021/03/22
[PATCH v28 04/23] cpu: call AccelCPUClass::cpu_realizefn in cpu_exec_realizefn, Claudio Fontana, 2021/03/22
[PATCH v28 05/23] accel: introduce new accessor functions, Claudio Fontana, 2021/03/22
[PATCH v28 03/23] i386: split cpu accelerators from cpu.c, using AccelCPUClass, Claudio Fontana, 2021/03/22
[PATCH v28 06/23] target/i386: fix host_cpu_adjust_phys_bits error handling, Claudio Fontana, 2021/03/22
[PATCH v28 09/23] i386: split off sysemu-only functionality in tcg-cpu, Claudio Fontana, 2021/03/22