[PATCH 8/9] accel/tcg: Introduce TCGCPUOps::cpu_exec_halt() handler

["Philippe Mathieu-Daudé" <philmd@linaro.org>]

In order to make accel/tcg/ target agnostic,
introduce the cpu_exec_halt() handler.

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
---
 include/hw/core/tcg-cpu-ops.h | 2 ++
 accel/tcg/cpu-exec.c          | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/include/hw/core/tcg-cpu-ops.h b/include/hw/core/tcg-cpu-ops.h
index 2fae3ac70f..3307338c80 100644
--- a/include/hw/core/tcg-cpu-ops.h
+++ b/include/hw/core/tcg-cpu-ops.h
@@ -114,6 +114,8 @@ struct TCGCPUOps {
     void (*record_sigbus)(CPUState *cpu, vaddr addr,
                           MMUAccessType access_type, uintptr_t ra);
 #else
+    /** @cpu_exec_halt: Callback for handling halt in cpu_exec */
+    void (*cpu_exec_halt)(CPUState *cpu);
     /** @cpu_exec_interrupt: Callback for processing interrupts in cpu_exec */
     bool (*cpu_exec_interrupt)(CPUState *cpu, int interrupt_request);
     /**
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
index 5a978a9e72..390a9644da 100644
--- a/accel/tcg/cpu-exec.c
+++ b/accel/tcg/cpu-exec.c
@@ -681,6 +681,9 @@ static inline bool cpu_handle_halt(CPUClass *cc, CPUState *cpu)
             bql_unlock();
         }
 #endif /* TARGET_I386 */
+        if (cc->tcg_ops->cpu_exec_halt) {
+            cc->tcg_ops->cpu_exec_halt(cpu);
+        }
         if (!cpu_has_work(cpu)) {
             return true;
         }
-- 
2.41.0