gwj / at91sam9263 · Commits

Commit f1c85677fc83b82e737223bfbff11241caa050b4

Authored by bellard
1 parent 5f1ce948

added last_io_time field 


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@1752 c046a42c-6fe2-441c-8c8c-71466251a162
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Showing 2 changed files with 16 additions and 0 deletions
softmmu_template.h
  View file @f1c8567
... ... @@ -68,6 +68,9 @@ static inline DATA_TYPE glue(io_read, SUFFIX)(target_phys_addr_t physaddr,
68 68 res |= (uint64_t)io_mem_read[index][2](io_mem_opaque[index], physaddr + 4) << 32;
69 69 #endif
70 70 #endif /* SHIFT > 2 */
  71 +#ifdef USE_KQEMU
  72 + env->last_io_time = cpu_get_time_fast();
  73 +#endif
71 74 return res;
72 75 }
73 76  
... ... @@ -201,6 +204,9 @@ static inline void glue(io_write, SUFFIX)(target_phys_addr_t physaddr,
201 204 io_mem_write[index][2](io_mem_opaque[index], physaddr + 4, val >> 32);
202 205 #endif
203 206 #endif /* SHIFT > 2 */
  207 +#ifdef USE_KQEMU
  208 + env->last_io_time = cpu_get_time_fast();
  209 +#endif
204 210 }
205 211  
206 212 void REGPARM(2) glue(glue(__st, SUFFIX), MMUSUFFIX)(target_ulong addr,
... ...
target-i386/cpu.h
  View file @f1c8567
... ... @@ -522,6 +522,7 @@ typedef struct CPUX86State {
522 522  
523 523 #ifdef USE_KQEMU
524 524 int kqemu_enabled;
  525 + int last_io_time;
525 526 #endif
526 527 /* in order to simplify APIC support, we leave this pointer to the
527 528 user */
... ... @@ -637,6 +638,15 @@ void cpu_x86_update_cr0(CPUX86State *env, uint32_t new_cr0);
637 638 #define X86_DUMP_FPU 0x0001 /* dump FPU state too */
638 639 #define X86_DUMP_CCOP 0x0002 /* dump qemu flag cache */
639 640  
  641 +#ifdef USE_KQEMU
  642 +static inline int cpu_get_time_fast(void)
  643 +{
  644 + int low, high;
  645 + asm volatile("rdtsc" : "=a" (low), "=d" (high));
  646 + return low;
  647 +}
  648 +#endif
  649 +
640 650 #define TARGET_PAGE_BITS 12
641 651 #include "cpu-all.h"
642 652  
... ...