[Qemu-devel] [PATCH 11/21] remove kqemu reference from hw/pc.c

[Glauber Costa <glommer@redhat.com>]

From: Glauber Costa <gcosta@redhat.com>

Instead, route cpu_get_ticks through accel driver.
Signed-off-by: Glauber Costa <glommer@redhat.com>
---
 accel.c |    3 +++
 accel.h |   12 ++++++++++++
 hw/pc.c |   13 ++-----------
 kqemu.c |    6 ++++++
 4 files changed, 23 insertions(+), 11 deletions(-)

diff --git a/accel.c b/accel.c
index 4cdfaf5..45ad1ee 100644
--- a/accel.c
+++ b/accel.c
@@ -25,5 +25,8 @@ QEMUAccel noaccel = {
     .profile = accel_nop,
     .set_notdirty = accel_nop,
     .modify_page = accel_nop,
+#ifndef CONFIG_USER_ONLY
+    .get_real_ticks = cpu_get_ticks,
+#endif
 };
 
diff --git a/accel.h b/accel.h
index 1f0d41b..c305e8c 100644
--- a/accel.h
+++ b/accel.h
@@ -10,6 +10,9 @@ 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);
+#ifndef CONFIG_USER_ONLY
+    uint64_t (*get_real_ticks)(void);
+#endif
 } QEMUAccel;
 
 extern QEMUAccel *current_accel;
@@ -60,4 +63,13 @@ 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);
+
+#ifndef CONFIG_USER_ONLY
+static inline uint64_t accel_get_real_ticks(void)
+{
+   return current_accel->get_real_ticks();
+}
+#endif
+
 #endif
diff --git a/hw/pc.c b/hw/pc.c
index 34683e7..2f56c1f 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -33,6 +33,7 @@
 #include "boards.h"
 #include "console.h"
 #include "fw_cfg.h"
+#include "accel.h"
 
 /* output Bochs bios info messages */
 //#define DEBUG_BIOS
@@ -75,17 +76,7 @@ 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 */
-#ifdef 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 9c3d0c5..e1c2dc3 100644
--- a/kqemu.c
+++ b/kqemu.c
@@ -444,6 +444,12 @@ QEMUAccel kqemu_accel = {
     .profile = kqemu_profile,
     .set_notdirty = kqemu_set_notdirty,
     .modify_page = kqemu_modify_page,
+#ifndef CONFIG_USER_ONLY
+    /* 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,
+#endif
 };
 
 
-- 
1.5.5.1