| 31,6 → 31,8 |
|---|
| #include <ll/i386/defs.h> |
| BEGIN_DEF |
| |
| #include <ll/sys/ll/time.h> |
| |
| /* TSC */ |
| |
| #define rdtsc(low,high) \ |
| 57,6 → 59,54 |
|---|
| : "=A" (val) \ |
| :: "ebx","ecx") |
| |
| //Low level time read function |
| extern __inline__ void ll_read_timespec(struct timespec *tspec) |
| { |
| extern unsigned int clk_per_msec; |
| extern unsigned long long *ptr_init_nsec; |
| extern unsigned long long *ptr_init_tsc; |
| |
| if (clk_per_msec == 0) { |
| NULL_TIMESPEC(tspec); |
| return; |
| } |
| |
| __asm__("xorl %%eax,%%eax\n\t" |
| "cpuid\n\t" |
| "rdtsc\n\t" |
| "pushl %%eax\n\t" |
| "pushl %%edx\n\t" |
| "xorl %%eax,%%eax\n\t" |
| "cpuid\n\t" |
| "popl %%edx\n\t" |
| "popl %%eax\n\t" |
| "movl %4,%%ebx\n\t" |
| "subl (%%edi),%%eax\n\t" |
| "sbbl 4(%%edi),%%edx\n\t" |
| "movl %%edx,%%ecx\n\t" |
| "movl $1000000,%%edi\n\t" |
| "mull %%edi\n\t" |
| "pushl %%eax\n\t" |
| "movl %%ecx,%%eax\n\t" |
| "movl %%edx,%%ecx\n\t" |
| "mull %%edi\n\t" |
| "addl %%ecx,%%eax\n\t" |
| "adcl $0,%%edx\n\t" |
| "divl %%ebx\n\t" |
| "movl %%eax,%%ecx\n\t" |
| "popl %%eax\n\t" |
| "divl %%ebx\n\t" |
| "movl %%ecx,%%edx\n\t" |
| "addl (%%esi),%%eax\n\t" |
| "adcl 4(%%esi),%%edx\n\t" |
| "movl $1000000000,%%edi\n\t" |
| "divl %%edi\n\t" |
| : "=a" (tspec->tv_sec), "=d" (tspec->tv_nsec) |
| : "D" (ptr_init_tsc), "S" (ptr_init_nsec), "m" (clk_per_msec) |
| : "ebx", "ecx"); |
| |
| } |
| |
| #define rdmsr(msr,val1,val2) \ |
| __asm__ __volatile__("rdmsr" \ |
| : "=a" (val1), "=d" (val2) \ |