| 39,7 → 39,11 |
|---|
| __asm__ __volatile__("xorl %%eax,%%eax\n\t" \ |
| "cpuid\n\t" \ |
| "rdtsc\n\t" \ |
| : "=a" (low), "=d" (high) \ |
| "movl %%eax,%%esi\n\t" \ |
| "movl %%edx,%%edi\n\t" \ |
| "xorl %%eax,%%eax\n\t" \ |
| "cpuid" \ |
| : "=S" (low), "=D" (high) \ |
| :: "ebx", "ecx") |
| |
| #define rdtscll(val) \ |
| 46,6 → 50,12 |
|---|
| __asm__ __volatile__("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" \ |
| : "=A" (val) \ |
| :: "ebx","ecx") |
| |
| 58,7 → 68,7 |
|---|
| #ifdef __O4000__ |
| #define ll_read_timespec ll_read_timespec_4000 |
| #else |
| #define ll_read_timespec ll_read_timespec_8000 |
| #define ll_read_timespec ll_read_timespec_slow |
| #endif |
| #endif |
| #endif |
| 74,7 → 84,8 |
|---|
| return; |
| } |
| |
| __asm__("rdtsc\n\t" |
| __asm__("xchgl %%eax,%%edx\n\t" |
| "rdtsc\n\t" |
| "subl (%%edi),%%eax\n\t" |
| "sbbl 4(%%edi),%%edx\n\t" |
| "divl %%ebx\n\t" |
| 98,13 → 109,12 |
|---|
| return; |
| } |
| |
| __asm__("rdtsc\n\t" |
| __asm__("xchgl %%eax,%%edx\n\t" |
| "rdtsc\n\t" |
| "subl (%%edi),%%eax\n\t" |
| "sbbl 4(%%edi),%%edx\n\t" |
| "divl %%ebx\n\t" |
| "movl %%eax,%%ebx\n\t" |
| "xorl %%eax,%%eax\n\t" |
| "shrdl $1,%%edx,%%eax\n\t" |
| "shrl %%edx\n\t" |
| "divl %%ecx\n\t" |
| : "=a" (tspec->tv_nsec), "=b" (tspec->tv_sec) |
| 124,14 → 134,14 |
|---|
| return; |
| } |
| |
| __asm__("rdtsc\n\t" |
| __asm__("xchgl %%eax,%%edx\n\t" |
| "rdtsc\n\t" |
| "subl (%%edi),%%eax\n\t" |
| "sbbl 4(%%edi),%%edx\n\t" |
| "divl %%ebx\n\t" |
| "movl %%eax,%%ebx\n\t" |
| "xorl %%eax,%%eax\n\t" |
| "shrdl $2,%%edx,%%eax\n\t" |
| "shrl $2,%%edx\n\t" |
| "shrl %%edx\n\t" |
| "shrl %%edx\n\t" |
| "divl %%ecx\n\t" |
| : "=a" (tspec->tv_nsec), "=b" (tspec->tv_sec) |
| : "D" (ptr_init_tsc) , "b" (clk_opt_1), "c" (clk_opt_4) |
| 140,30 → 150,39 |
|---|
| } |
| |
| //Low level time read function |
| extern __inline__ void ll_read_timespec_8000(struct timespec *tspec) |
| extern __inline__ void ll_read_timespec_slow(struct timespec *tspec) |
| { |
| extern unsigned int clk_opt_0,clk_opt_5; |
| extern unsigned int clk_per_msec; |
| extern unsigned long long *ptr_init_tsc; |
| |
| if (clk_opt_0 == 0) { |
| if (clk_per_msec == 0) { |
| NULL_TIMESPEC(tspec); |
| return; |
| } |
| |
| __asm__("rdtsc\n\t" |
| |
| __asm__("xchgl %%eax,%%edx\n\t" |
| "rdtsc\n\t" |
| "subl (%%edi),%%eax\n\t" |
| "sbbl 4(%%edi),%%edx\n\t" |
| "shrdl $1,%%edx,%%eax\n\t" |
| "shrl %%edx\n\t" |
| "divl %%ebx\n\t" |
| "movl %%eax,%%ebx\n\t" |
| "xorl %%eax,%%eax\n\t" |
| "shrdl $2,%%edx,%%eax\n\t" |
| "shrl $2,%%edx\n\t" |
| "divl %%ecx\n\t" |
| : "=b" (tspec->tv_sec), "=a" (tspec->tv_nsec) |
| : "D" (ptr_init_tsc), "b" (clk_opt_0), "c" (clk_opt_5) |
| : "edx"); |
| "sbbl 4(%%edi),%%edx\n\t" |
| "movl %%edx,%%ecx\n\t" |
| "movl $1000000,%%edi\n\t" |
| "mull %%edi\n\t" |
| "movl %%eax,%%esi\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" |
| "movl %%esi,%%eax\n\t" |
| "divl %%ebx\n\t" |
| "movl %%ecx,%%edx\n\t" |
| "movl $1000000000,%%edi\n\t" |
| "divl %%edi\n\t" |
| : "=a" (tspec->tv_sec), "=d" (tspec->tv_nsec) |
| : "D" (ptr_init_tsc), "b" (clk_per_msec) |
| : "ecx", "esi"); |
| |
| } |
| |