diff options
| -rw-r--r-- | softmmu_template.h | 6 | ||||
| -rw-r--r-- | target-i386/cpu.h | 10 |
2 files changed, 16 insertions, 0 deletions
diff --git a/softmmu_template.h b/softmmu_template.h index 9bae4f6282..1c12c42411 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 450dd8cbe4..eca3993b90 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" |