xenia-cpu-ppc-tests is now building on linux

src/xenia/base/clock_posix.cc

@@ -0,0 +1,46 @@
+/**
+ ******************************************************************************
+ * Xenia : Xbox 360 Emulator Research Project                                 *
+ ******************************************************************************
+ * Copyright 2017 Ben Vanik. All rights reserved.                             *
+ * Released under the BSD license - see LICENSE in the root for more details. *
+ ******************************************************************************
+ */
+
+#include "xenia/base/clock.h"
+
+#include <sys/time.h>
+#include <time.h>
+
+namespace xe {
+
+uint64_t Clock::host_tick_frequency() {
+  timespec res;
+  clock_getres(CLOCK_MONOTONIC_RAW, &res);
+
+  return uint64_t(res.tv_sec) + uint64_t(res.tv_nsec) * 1000000000ull;
+}
+
+uint64_t Clock::QueryHostTickCount() {
+  timespec res;
+  clock_gettime(CLOCK_MONOTONIC_RAW, &res);
+
+  return uint64_t(res.tv_sec) + uint64_t(res.tv_nsec) * 1000000000ull;
+}
+
+uint64_t Clock::QueryHostSystemTime() {
+  struct timeval tv;
+  gettimeofday(&tv, NULL);
+
+  uint64_t ret = tv.tv_usec;
+  ret /= 1000;  // usec -> msec
+
+  ret += (tv.tv_sec * 1000);  // sec -> msec
+  return ret;
+}
+
+uint32_t Clock::QueryHostUptimeMillis() {
+  return uint32_t(QueryHostTickCount() / (host_tick_frequency() / 1000));
+}
+
+}  // namespace xe