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mdbx-tests: fix entropy_ticks() for multiarch.

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This commit is contained in:
Leo Yuriev 2018-03-22 17:59:31 +03:00
parent c52a57dac5
commit 3a42b76fb8
1 changed files with 80 additions and 14 deletions
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94
test/utils.cc
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@ -95,7 +95,20 @@ bool hex2data(const char *hex_begin, const char *hex_end, void *ptr,
/* TODO: replace my 'libmera' fomr t1ha. */
uint64_t entropy_ticks(void) {
#if defined(EMSCRIPTEN)
return (uint64_t)emscripten_get_now();
#endif /* EMSCRIPTEN */
#if defined(__APPLE__) || defined(__MACH__)
return mach_absolute_time();
#endif /* defined(__APPLE__) || defined(__MACH__) */
#if defined(__sun__) || defined(__sun)
return gethrtime();
#endif /* __sun__ */
#if defined(__GNUC__) || defined(__clang__)
#if defined(__ia64__)
uint64_t ticks;
__asm __volatile("mov %0=ar.itc" : "=r"(ticks));
@ -112,28 +125,81 @@ uint64_t entropy_ticks(void) {
uint64_t ticks;
__asm __volatile("rpcc %0" : "=r"(ticks));
return ticks;
#elif defined(__sparc_v9__)
uint64_t ticks;
__asm __volatile("rd %%tick, %0" : "=r"(ticks));
return ticks;
#elif defined(__powerpc64__) || defined(__ppc64__)
#elif defined(__sparc__) || defined(__sparc) || defined(__sparc64__) || \
defined(__sparc64) || defined(__sparc_v8plus__) || \
defined(__sparc_v8plus) || defined(__sparc_v8plusa__) || \
defined(__sparc_v8plusa) || defined(__sparc_v9__) || defined(__sparc_v9)
union {
uint64_t u64;
struct {
#if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__
uint32_t h, l;
#else
uint32_t l, h;
#endif
} u32;
} cycles;
#if defined(__sparc_v8plus__) || defined(__sparc_v8plusa__) || \
defined(__sparc_v9__) || defined(__sparc_v8plus) || \
defined(__sparc_v8plusa) || defined(__sparc_v9)
#if UINTPTR_MAX > 0xffffFFFFul || ULONG_MAX > 0xffffFFFFul || \
defined(__sparc64__) || defined(__sparc64)
__asm __volatile("rd %%tick, %0" : "=r"(cycles.u64));
#else
__asm __volatile("rd %%tick, %1; srlx %1, 32, %0"
: "=r"(cycles.u32.h), "=r"(cycles.u32.l));
#endif /* __sparc64__ */
#else
__asm __volatile(".byte 0x83, 0x41, 0x00, 0x00; mov %%g1, %0"
: "=r"(cycles.u64)
:
: "%g1");
#endif /* __sparc8plus__ || __sparc_v9__ */
return cycles.u64;
#elif (defined(__powerpc64__) || defined(__ppc64__) || defined(__ppc64) || \
defined(__powerpc64))
uint64_t ticks;
__asm __volatile("mfspr %0, 268" : "=r"(ticks));
return ticks;
#elif defined(__ppc__) || defined(__powerpc__)
unsigned tbl, tbu;
/* LY: Here not a problem if a high-part (tbu)
* would been updated during reading. */
__asm __volatile("mftb %0" : "=r"(tbl));
__asm __volatile("mftbu %0" : "=r"(tbu));
return (((uin64_t)tbu0) << 32) | tbl;
#elif (defined(__powerpc__) || defined(__ppc__) || defined(__powerpc) || \
defined(__ppc))
#if UINTPTR_MAX > 0xffffFFFFul || ULONG_MAX > 0xffffFFFFul
uint64_t ticks;
__asm __volatile("mftb %0" : "=r"(ticks));
*now = ticks;
#else
uint64_t ticks;
uint32_t low, high_before, high_after;
__asm __volatile("mftbu %0; mftb %1; mftbu %2"
: "=r"(high_before), "=r"(low), "=r"(high_after));
ticks = (uint64_t)high_after << 32;
ticks |= low & /* zeroes if high part has changed */
~(high_before - high_after);
#endif
#elif defined(__aarch64__) || (defined(__ARM_ARCH) && __ARM_ARCH > 7)
uint64_t virtual_timer;
__asm __volatile("mrs %0, cntvct_el0" : "=r"(virtual_timer));
return virtual_timer;
#elif defined(__ARM_ARCH) && __ARM_ARCH > 5 && __ARM_ARCH < 8
unsigned long pmccntr;
__asm __volatile("mrc p15, 0, %0, c9, c13, 0" : "=r"(pmccntr));
return pmccntr;
#elif defined(__mips__) || defined(__mips) || defined(_R4000)
unsigned count;
__asm __volatile("rdhwr %0, $2" : "=r"(count));
return count;
#endif /* arch selector */
#endif /* __GNUC__ || __clang__ */
#if defined(__e2k__) || defined(__ia32__)
return __rdtsc();
#elif defined(_M_ARM)
return __rdpmccntr64();
#elif defined(_WIN32) || defined(_WIN64) || defined(_WINDOWS)
LARGE_INTEGER PerformanceCount;
if (QueryPerformanceCounter(&PerformanceCount))