From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Wed, 8 Feb 2006 22:41:53 +0000 (+0000)
Subject: added last_io_time field
X-Git-Tag: release_0_8_1~146
X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=f1c85677fc83b82e737223bfbff11241caa050b4;p=qemu.git

added last_io_time field


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1752 c046a42c-6fe2-441c-8c8c-71466251a162
---

diff --git a/softmmu_template.h b/softmmu_template.h
index 9bae4f628..1c12c4241 100644
--- a/softmmu_template.h
+++ b/softmmu_template.h
@@ -68,6 +68,9 @@ static inline DATA_TYPE glue(io_read, SUFFIX)(target_phys_addr_t physaddr,
     res |= (uint64_t)io_mem_read[index][2](io_mem_opaque[index], physaddr + 4) << 32;
 #endif
 #endif /* SHIFT > 2 */
+#ifdef USE_KQEMU
+    env->last_io_time = cpu_get_time_fast();
+#endif
     return res;
 }
 
@@ -201,6 +204,9 @@ static inline void glue(io_write, SUFFIX)(target_phys_addr_t physaddr,
     io_mem_write[index][2](io_mem_opaque[index], physaddr + 4, val >> 32);
 #endif
 #endif /* SHIFT > 2 */
+#ifdef USE_KQEMU
+    env->last_io_time = cpu_get_time_fast();
+#endif
 }
 
 void REGPARM(2) glue(glue(__st, SUFFIX), MMUSUFFIX)(target_ulong addr, 
diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 450dd8cbe..eca3993b9 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -522,6 +522,7 @@ typedef struct CPUX86State {
     
 #ifdef USE_KQEMU
     int kqemu_enabled;
+    int last_io_time;
 #endif
     /* in order to simplify APIC support, we leave this pointer to the
        user */
@@ -637,6 +638,15 @@ void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
 #define X86_DUMP_FPU  0x0001 /* dump FPU state too */
 #define X86_DUMP_CCOP 0x0002 /* dump qemu flag cache */
 
+#ifdef USE_KQEMU
+static inline int cpu_get_time_fast(void)
+{
+    int low, high;
+    asm volatile("rdtsc" : "=a" (low), "=d" (high));
+    return low;
+}
+#endif
+
 #define TARGET_PAGE_BITS 12
 #include "cpu-all.h"