added cpu_get_tsc()

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@837 c046a42c-6fe2-441c-8c8c-71466251a162

2 files changed, 4 insertions, 11 deletions

diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 19340d257..9f16a487f 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -443,6 +443,8 @@ int cpu_x86_signal_handler(int host_signum, struct siginfo *info,
                            void *puc);
 void cpu_x86_set_a20(CPUX86State *env, int a20_state);
 
+uint64_t cpu_get_tsc(CPUX86State *env);
+
 /* will be suppressed */
 void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
 
diff --git a/target-i386/helper.c b/target-i386/helper.c
index f2305e32c..5782babc2 100644
--- a/target-i386/helper.c
+++ b/target-i386/helper.c
@@ -1775,20 +1775,11 @@ void helper_invlpg(unsigned int addr)
     cpu_x86_flush_tlb(env, addr);
 }
 
-/* rdtsc */
-#if !defined(__i386__) && !defined(__x86_64__)
-uint64_t emu_time;
-#endif
-
 void helper_rdtsc(void)
 {
     uint64_t val;
-#if defined(__i386__) || defined(__x86_64__)
-    asm volatile ("rdtsc" : "=A" (val));
-#else
-    /* better than nothing: the time increases */
-    val = emu_time++;
-#endif
+    
+    val = cpu_get_tsc(env);
     EAX = val;
     EDX = val >> 32;
 }