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[USBDRV]

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- Get rid of some inline assembly

svn path=/trunk/; revision=54354
This commit is contained in:
Thomas Faber 2011-11-12 00:07:42 +00:00
parent 218b87ee29
commit d0133a99d0
1 changed files with 7 additions and 21 deletions
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28
reactos/drivers/usb/nt4compat/usbdrv/usb.c
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@ -982,31 +982,17 @@ usb_count_list(PLIST_HEAD list_head)
__inline BOOLEAN
usb_query_clicks(PLARGE_INTEGER clicks)
{
BOOLEAN ret_val;
BOOLEAN ret_val = FALSE;
int cpu_info[4];
//so we have to use intel's cpu???
ret_val = FALSE;
#ifdef _MSC_VER
__asm
#if defined(_M_IX86) || defined(_M_AMD64)
__cpuid(cpu_info, 1);
if (cpu_info[3] & 0x10) // Time Stamp Counter (TSC) bit
{
push ebx;
push eax;
mov eax, 1; //read version
cpuid;
test edx, 0x10; //timer stamp
jz LBL_OUT;
// cpuid //serialization
rdtsc;
mov ebx, dword ptr[clicks];
mov dword ptr[ebx], eax;
mov dword ptr[ebx + 4], edx;
mov dword ptr[ret_val], TRUE;
LBL_OUT:
pop eax;
pop ebx;
clicks->QuadPart = __rdtsc();
ret_val = TRUE;
}
#else
ret_val = FALSE;
#endif
return ret_val;
}