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| author | Sergey Fedorov <serge.fdrv@gmail.com> | 2016-05-11 13:21:47 +0300 |
|---|---|---|
| committer | Richard Henderson <rth@twiddle.net> | 2016-05-12 14:06:42 -1000 |
| commit | 8b2d34e997371c9729a0f41e3cc624d4300bbe78 (patch) | |
| tree | 3997b2e2c0d3d04a7b9797819cb3ef652adee6b0 /cpu-exec.c | |
| parent | c6f0d9f84c43ae973270df1a77482466558ee487 (diff) | |
| download | qemu-8b2d34e997371c9729a0f41e3cc624d4300bbe78.zip | |
cpu-exec: Move halt handling out of cpu_exec()
Simplify cpu_exec() by extracting CPU halt state handling code out of
cpu_exec() into a new static inline function cpu_handle_halt().
Signed-off-by: Sergey Fedorov <serge.fdrv@gmail.com>
Signed-off-by: Sergey Fedorov <sergey.fedorov@linaro.org>
Reviewed-by: Richard Henderson <rth@twiddle.net>
Message-Id: <1462962111-32237-2-git-send-email-sergey.fedorov@linaro.org>
Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'cpu-exec.c')
| -rw-r--r-- | cpu-exec.c | 38 |
1 files changed, 24 insertions, 14 deletions
diff --git a/cpu-exec.c b/cpu-exec.c index d55faa5114..529cac2213 100644 --- a/cpu-exec.c +++ b/cpu-exec.c @@ -352,6 +352,28 @@ static inline TranslationBlock *tb_find_fast(CPUState *cpu, return tb; } +static inline bool cpu_handle_halt(CPUState *cpu) +{ + if (cpu->halted) { +#if defined(TARGET_I386) && !defined(CONFIG_USER_ONLY) + if ((cpu->interrupt_request & CPU_INTERRUPT_POLL) + && replay_interrupt()) { + X86CPU *x86_cpu = X86_CPU(cpu); + apic_poll_irq(x86_cpu->apic_state); + cpu_reset_interrupt(cpu, CPU_INTERRUPT_POLL); + } +#endif + if (!cpu_has_work(cpu)) { + current_cpu = NULL; + return true; + } + + cpu->halted = 0; + } + + return false; +} + static void cpu_handle_debug_exception(CPUState *cpu) { CPUClass *cc = CPU_GET_CLASS(cpu); @@ -383,20 +405,8 @@ int cpu_exec(CPUState *cpu) /* replay_interrupt may need current_cpu */ current_cpu = cpu; - if (cpu->halted) { -#if defined(TARGET_I386) && !defined(CONFIG_USER_ONLY) - if ((cpu->interrupt_request & CPU_INTERRUPT_POLL) - && replay_interrupt()) { - apic_poll_irq(x86_cpu->apic_state); - cpu_reset_interrupt(cpu, CPU_INTERRUPT_POLL); - } -#endif - if (!cpu_has_work(cpu)) { - current_cpu = NULL; - return EXCP_HALTED; - } - - cpu->halted = 0; + if (cpu_handle_halt(cpu)) { + return EXCP_HALTED; } atomic_mb_set(&tcg_current_cpu, cpu); |