[Qemu-devel] [PATCH 12/13] [PATCH] remove kqemu reference from hw/pc.c

[Glauber Costa <gcosta@redhat.com>]

Instead, route cpu_get_ticks through accel driver.
---
 exec-all.h |   11 +++++++++++
 hw/pc.c    |   13 ++-----------
 kqemu.c    |    4 ++++
 3 files changed, 17 insertions(+), 11 deletions(-)

diff --git a/exec-all.h b/exec-all.h
index 04112e0..f62ff38 100644
--- a/exec-all.h
+++ b/exec-all.h
@@ -587,6 +587,7 @@ typedef struct QEMUAccel {
     int (*profile)(CPUState *env, char *buf);
     void (*set_notdirty)(ram_addr_t addr);
     void (*modify_page)(ram_addr_t addr, int dirty_flags);
+    uint64_t (*get_real_ticks)(void);
 } QEMUAccel;
 
 extern QEMUAccel *current_accel;
@@ -646,6 +647,16 @@ static inline void accel_modify_page(target_ulong addr, int dirty_flags)
         current_accel->modify_page(addr, dirty_flags);
 }
 
+int64_t cpu_get_ticks(void);
+
+static inline uint64_t accel_get_real_ticks(void)
+{
+    if (current_accel && current_accel->get_real_ticks)
+       return current_accel->get_real_ticks();
+    return cpu_get_ticks();
+}
+
+
 #ifdef USE_KQEMU
 #define KQEMU_MODIFY_PAGE_MASK (0xff & ~(VGA_DIRTY_FLAG | CODE_DIRTY_FLAG))
 
diff --git a/hw/pc.c b/hw/pc.c
index c92384c..43ff2f2 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -32,6 +32,7 @@
 #include "smbus.h"
 #include "boards.h"
 #include "console.h"
+#include "exec-all.h"
 
 /* output Bochs bios info messages */
 //#define DEBUG_BIOS
@@ -73,17 +74,7 @@ static void ioportF0_write(void *opaque, uint32_t addr, uint32_t data)
 /* TSC handling */
 uint64_t cpu_get_tsc(CPUX86State *env)
 {
-    /* Note: when using kqemu, it is more logical to return the host TSC
-       because kqemu does not trap the RDTSC instruction for
-       performance reasons */
-#if USE_KQEMU
-    if (env->kqemu_enabled) {
-        return cpu_get_real_ticks();
-    } else
-#endif
-    {
-        return cpu_get_ticks();
-    }
+    return accel_get_real_ticks();
 }
 
 /* SMM support */
diff --git a/kqemu.c b/kqemu.c
index 7e24bb7..fbd8b66 100644
--- a/kqemu.c
+++ b/kqemu.c
@@ -412,6 +412,10 @@ QEMUAccel kqemu_accel = {
     .profile = kqemu_profile,
     .set_notdirty = kqemu_set_notdirty,
     .modify_page = kqemu_modify_page,
+    /* Note: when using kqemu, it is more logical to return the host TSC
+       because kqemu does not trap the RDTSC instruction for
+       performance reasons */
+    .get_real_ticks = cpu_get_real_ticks,
 };
 
 
-- 
1.5.5