qemu-devel
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Qemu-devel] [PATCH 11/20] remove kqemu reference from hw/pc.c


From: Glauber Costa
Subject: [Qemu-devel] [PATCH 11/20] remove kqemu reference from hw/pc.c
Date: Fri, 27 Jun 2008 17:38:14 -0300

Instead, route cpu_get_ticks through accel driver.
---
 accel.h |    9 +++++++++
 hw/pc.c |   13 ++-----------
 kqemu.c |    4 ++++
 3 files changed, 15 insertions(+), 11 deletions(-)

diff --git a/accel.h b/accel.h
index 5395e05..9d5b3a2 100644
--- a/accel.h
+++ b/accel.h
@@ -7,6 +7,7 @@ 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;
@@ -66,3 +67,11 @@ 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();
+}
diff --git a/hw/pc.c b/hw/pc.c
index 4c5e1c3..3d0e038 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -32,6 +32,7 @@
 #include "smbus.h"
 #include "boards.h"
 #include "console.h"
+#include "accel.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 9c3d0c5..9184b26 100644
--- a/kqemu.c
+++ b/kqemu.c
@@ -444,6 +444,10 @@ 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,
 };
 
 
-- 
1.5.5.1





reply via email to

[Prev in Thread] Current Thread [Next in Thread]