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[Qemu-devel] [RFC v4 29/71] cpu-exec: convert to cpu_halted
From: |
Emilio G. Cota |
Subject: |
[Qemu-devel] [RFC v4 29/71] cpu-exec: convert to cpu_halted |
Date: |
Thu, 25 Oct 2018 10:46:02 -0400 |
Signed-off-by: Emilio G. Cota <address@hidden>
---
accel/tcg/cpu-exec.c | 24 ++++++++++++++++++++----
1 file changed, 20 insertions(+), 4 deletions(-)
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 870027d435..f37c9b1e94 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -422,14 +422,20 @@ static inline TranslationBlock *tb_find(CPUState *cpu,
return tb;
}
-static inline bool cpu_handle_halt(CPUState *cpu)
+static inline bool cpu_handle_halt_locked(CPUState *cpu)
{
- if (cpu->halted) {
+ g_assert(cpu_mutex_locked(cpu));
+
+ if (cpu_halted(cpu)) {
#if defined(TARGET_I386) && !defined(CONFIG_USER_ONLY)
if ((cpu->interrupt_request & CPU_INTERRUPT_POLL)
&& replay_interrupt()) {
X86CPU *x86_cpu = X86_CPU(cpu);
+
+ cpu_mutex_unlock(cpu);
qemu_mutex_lock_iothread();
+ cpu_mutex_lock(cpu);
+
apic_poll_irq(x86_cpu->apic_state);
cpu_reset_interrupt(cpu, CPU_INTERRUPT_POLL);
qemu_mutex_unlock_iothread();
@@ -439,12 +445,22 @@ static inline bool cpu_handle_halt(CPUState *cpu)
return true;
}
- cpu->halted = 0;
+ cpu_halted_set(cpu, 0);
}
return false;
}
+static inline bool cpu_handle_halt(CPUState *cpu)
+{
+ bool ret;
+
+ cpu_mutex_lock(cpu);
+ ret = cpu_handle_halt_locked(cpu);
+ cpu_mutex_unlock(cpu);
+ return ret;
+}
+
static inline void cpu_handle_debug_exception(CPUState *cpu)
{
CPUClass *cc = CPU_GET_CLASS(cpu);
@@ -543,7 +559,7 @@ static inline bool cpu_handle_interrupt(CPUState *cpu,
} else if (interrupt_request & CPU_INTERRUPT_HALT) {
replay_interrupt();
cpu->interrupt_request &= ~CPU_INTERRUPT_HALT;
- cpu->halted = 1;
+ cpu_halted_set(cpu, 1);
cpu->exception_index = EXCP_HLT;
qemu_mutex_unlock_iothread();
return true;
--
2.17.1
- Re: [Qemu-devel] [RFC v4 21/71] m68k: convert to cpu_halted, (continued)
- [Qemu-devel] [RFC v4 28/71] openrisc: convert to cpu_halted, Emilio G. Cota, 2018/10/25
- [Qemu-devel] [RFC v4 30/71] cpu: define cpu_interrupt_request helpers, Emilio G. Cota, 2018/10/25
- [Qemu-devel] [RFC v4 25/71] sparc: convert to cpu_halted, Emilio G. Cota, 2018/10/25
- [Qemu-devel] [RFC v4 26/71] xtensa: convert to cpu_halted, Emilio G. Cota, 2018/10/25
- [Qemu-devel] [RFC v4 29/71] cpu-exec: convert to cpu_halted,
Emilio G. Cota <=
- [Qemu-devel] [RFC v4 27/71] gdbstub: convert to cpu_halted, Emilio G. Cota, 2018/10/25
- [Qemu-devel] [RFC v4 19/71] i386: convert to cpu_halted, Emilio G. Cota, 2018/10/25
- [Qemu-devel] [RFC v4 15/71] tcg-runtime: convert to cpu_halted_set, Emilio G. Cota, 2018/10/25
- [Qemu-devel] [RFC v4 09/71] cris: convert to helper_cpu_halted_set, Emilio G. Cota, 2018/10/25