| 59,8 → 59,98 |
|---|
| : "=A" (val) \ |
| :: "ebx","ecx") |
| |
| #ifdef __O1000__ |
| #define ll_read_timespec ll_read_timespec_1000 |
| #else |
| #ifdef __02000__ |
| #define ll_read_timespec ll_read_timespec_2000 |
| #else |
| #ifdef __O4000__ |
| #define ll_read_timespec ll_read_timespec_4000 |
| #else |
| #define ll_read_timespec ll_read_timespec_slow |
| #endif |
| #endif |
| #endif |
| |
| //Low level time read function: Optimized for CPU < 1 GHz |
| extern __inline__ void ll_read_timespec_1000(struct timespec *tspec) |
| { |
| extern unsigned int clk_opt_1,clk_opt_2; |
| extern unsigned long long *ptr_init_tsc; |
| |
| if (clk_opt_1 == 0) { |
| NULL_TIMESPEC(tspec); |
| return; |
| } |
| |
| __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" |
| "divl %%ecx\n\t" |
| : "=a" (tspec->tv_nsec), "=b" (tspec->tv_sec) |
| : "D" (ptr_init_tsc) , "b" (clk_opt_1), "c" (clk_opt_2) |
| : "edx" ); |
| |
| } |
| |
| //Low level time read function: Optimized for CPU < 2 GHz |
| extern __inline__ void ll_read_timespec_2000(struct timespec *tspec) |
| { |
| extern unsigned int clk_opt_1,clk_opt_3; |
| extern unsigned long long *ptr_init_tsc; |
| |
| if (clk_opt_1 == 0) { |
| NULL_TIMESPEC(tspec); |
| return; |
| } |
| |
| __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" |
| "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_3) |
| : "edx" ); |
| |
| } |
| |
| //Low level time read function: Optimized for CPU < 4 GHz |
| extern __inline__ void ll_read_timespec_4000(struct timespec *tspec) |
| { |
| extern unsigned int clk_opt_1,clk_opt_4; |
| extern unsigned long long *ptr_init_tsc; |
| |
| if (clk_opt_1 == 0) { |
| NULL_TIMESPEC(tspec); |
| return; |
| } |
| |
| __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" |
| "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) |
| : "edx" ); |
| |
| } |
| |
| //Low level time read function |
| extern __inline__ void ll_read_timespec(struct timespec *tspec) |
| extern __inline__ void ll_read_timespec_slow(struct timespec *tspec) |
| { |
| extern unsigned int clk_per_msec; |
| extern unsigned long long *ptr_init_nsec; |
| 71,22 → 161,14 |
|---|
| return; |
| } |
| |
| __asm__("xorl %%eax,%%eax\n\t" |
| "cpuid\n\t" |
| __asm__("xchgl %%eax,%%edx\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 %%eax,%%esi\n\t" |
| "movl %%ecx,%%eax\n\t" |
| "movl %%edx,%%ecx\n\t" |
| "mull %%edi\n\t" |
| 94,16 → 176,14 |
|---|
| "adcl $0,%%edx\n\t" |
| "divl %%ebx\n\t" |
| "movl %%eax,%%ecx\n\t" |
| "popl %%eax\n\t" |
| "movl %%esi,%%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"); |
| : "D" (ptr_init_tsc), "b" (clk_per_msec) |
| : "ecx", "esi"); |
| |
| } |
| |