From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:59515) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gFh5V-0002yu-5y for qemu-devel@nongnu.org; Thu, 25 Oct 2018 10:58:17 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gFgus-0007si-C8 for qemu-devel@nongnu.org; Thu, 25 Oct 2018 10:47:20 -0400 Received: from out3-smtp.messagingengine.com ([66.111.4.27]:58077) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1gFgur-0007gL-PH for qemu-devel@nongnu.org; Thu, 25 Oct 2018 10:47:18 -0400 From: "Emilio G. Cota" Date: Thu, 25 Oct 2018 10:45:47 -0400 Message-Id: <20181025144644.15464-14-cota@braap.org> In-Reply-To: <20181025144644.15464-1-cota@braap.org> References: <20181025144644.15464-1-cota@braap.org> Subject: [Qemu-devel] [RFC v4 14/71] cpu: define cpu_halted helpers List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Richard Henderson cpu->halted will soon be protected by cpu->lock. We will use these helpers to ease the transition, since right now cpu->halted has many direct callers. Reviewed-by: Richard Henderson Signed-off-by: Emilio G. Cota --- include/qom/cpu.h | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/include/qom/cpu.h b/include/qom/cpu.h index 11cbf21f00..aeed63a705 100644 --- a/include/qom/cpu.h +++ b/include/qom/cpu.h @@ -487,6 +487,30 @@ bool cpu_mutex_locked(const CPUState *cpu); */ bool no_cpu_mutex_locked(void); +static inline uint32_t cpu_halted(CPUState *cpu) +{ + uint32_t ret; + + if (cpu_mutex_locked(cpu)) { + return cpu->halted; + } + cpu_mutex_lock(cpu); + ret = cpu->halted; + cpu_mutex_unlock(cpu); + return ret; +} + +static inline void cpu_halted_set(CPUState *cpu, uint32_t val) +{ + if (cpu_mutex_locked(cpu)) { + cpu->halted = val; + return; + } + cpu_mutex_lock(cpu); + cpu->halted = val; + cpu_mutex_unlock(cpu); +} + static inline void cpu_tb_jmp_cache_clear(CPUState *cpu) { unsigned int i; -- 2.17.1