[Qemu-devel] [PATCH v16 03/21] sysemu: system functions for replay

[Pavel Dovgalyuk <Pavel.Dovgaluk@ispras.ru>]

This patch removes "static" specifier from several qemu function to make
them visible to the replay module. It also invents several system functions
that will be used by replay.

Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>

Signed-off-by: Pavel Dovgalyuk <pavel.dovgaluk@ispras.ru>
---
 cpus.c                  |    2 +-
 include/exec/exec-all.h |    3 ++-
 include/qom/cpu.h       |   10 ++++++++++
 include/sysemu/cpus.h   |    1 +
 translate-all.c         |    8 ++++++++
 5 files changed, 22 insertions(+), 2 deletions(-)

diff --git a/cpus.c b/cpus.c
index a822ce3..96b40b2 100644
--- a/cpus.c
+++ b/cpus.c
@@ -89,7 +89,7 @@ static bool cpu_thread_is_idle(CPUState *cpu)
     return true;
 }
 
-static bool all_cpu_threads_idle(void)
+bool all_cpu_threads_idle(void)
 {
     CPUState *cpu;
 
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index c6248a8..8080bb4 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -197,7 +197,8 @@ struct TBContext {
 };
 
 void tb_free(TranslationBlock *tb);
-void tb_flush(CPUState *cpu);
+void tb_flush(CPUState *env);
+void tb_flush_all(void);
 void tb_phys_invalidate(TranslationBlock *tb, tb_page_addr_t page_addr);
 
 #if defined(USE_DIRECT_JUMP)
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index ed000ca..8c4ea00 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -501,6 +501,16 @@ static inline bool cpu_has_work(CPUState *cpu)
 bool qemu_cpu_is_self(CPUState *cpu);
 
 /**
+ * qemu_in_vcpu_thread:
+ *
+ * Checks whether the caller is executing on the vCPU thread
+ * of the current vCPU.
+ *
+ * Returns: %true if called from vCPU's thread, %false otherwise.
+ */
+bool qemu_in_vcpu_thread(void);
+
+/**
  * qemu_cpu_kick:
  * @cpu: The vCPU to kick.
  *
diff --git a/include/sysemu/cpus.h b/include/sysemu/cpus.h
index 3f162a9..86ae556 100644
--- a/include/sysemu/cpus.h
+++ b/include/sysemu/cpus.h
@@ -6,6 +6,7 @@ void qemu_init_cpu_loop(void);
 void resume_all_vcpus(void);
 void pause_all_vcpus(void);
 void cpu_stop_current(void);
+bool all_cpu_threads_idle(void);
 
 void cpu_synchronize_all_states(void);
 void cpu_synchronize_all_post_reset(void);
diff --git a/translate-all.c b/translate-all.c
index 60a3d8b..a45cd44 100644
--- a/translate-all.c
+++ b/translate-all.c
@@ -800,6 +800,14 @@ void tb_flush(CPUState *cpu)
     tcg_ctx.tb_ctx.tb_flush_count++;
 }
 
+void tb_flush_all(void)
+{
+    CPUState *cpu;
+    for (cpu = first_cpu ; cpu != NULL ; cpu = CPU_NEXT(cpu)) {
+        tb_flush(cpu);
+    }
+}
+
 #ifdef DEBUG_TB_CHECK
 
 static void tb_invalidate_check(target_ulong address)