diff options
| -rw-r--r-- | src/cpu.cpp | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/src/cpu.cpp b/src/cpu.cpp index b93f0fa5e..d95c704e2 100644 --- a/src/cpu.cpp +++ b/src/cpu.cpp @@ -73,6 +73,18 @@ uint64 ottd_rdtsc() # define RDTSC_AVAILABLE #endif +/* rdtsc for MCST Elbrus 2000 */ +#if defined(__e2k__) && !defined(RDTSC_AVAILABLE) +uint64 ottd_rdtsc() +{ + uint64_t dst; +# pragma asm_inline + asm("rrd %%clkr, %0" : "=r" (dst)); + return dst; +} +# define RDTSC_AVAILABLE +#endif + #if defined(__EMSCRIPTEN__) && !defined(RDTSC_AVAILABLE) /* On emscripten doing TIC/TOC would be ill-advised */ uint64 ottd_rdtsc() {return 0;} @@ -131,6 +143,24 @@ void ottd_cpuid(int info[4], int type) ); #endif /* i386 PIC */ } +#elif defined(__e2k__) /* MCST Elbrus 2000*/ +void ottd_cpuid(int info[4], int type) +{ + info[0] = info[1] = info[2] = info[3] = 0; + if (type == 0) { + info[0] = 1; + } else if (type == 1) { +#if defined(__SSE4_1__) + info[2] |= (1<<19); /* HasCPUIDFlag(1, 2, 19) */ +#endif +#if defined(__SSSE3__) + info[2] |= (1<<9); /* HasCPUIDFlag(1, 2, 9) */ +#endif +#if defined(__SSE2__) + info[3] |= (1<<26); /* HasCPUIDFlag(1, 3, 26) */ +#endif + } +} #else void ottd_cpuid(int info[4], int type) { |