diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73c4421b..7e102fc5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -133,6 +133,10 @@ else()
     set(EXTRA_LIBS pthread)
 endif()
 
+if (CMAKE_SYSTEM_NAME STREQUAL FreeBSD)
+    set(EXTRA_LIBS ${EXTRA_LIBS} kvm)
+endif()
+
 add_definitions(/D__STDC_FORMAT_MACROS)
 add_definitions(/DUNICODE)
 add_definitions(/DRAPIDJSON_SSE2)
diff --git a/src/Cpu_unix.cpp b/src/Cpu_unix.cpp
index 5d3a6d64..8de98c8c 100644
--- a/src/Cpu_unix.cpp
+++ b/src/Cpu_unix.cpp
@@ -22,6 +22,14 @@
  */
 
 
+#ifdef __FreeBSD__
+#   include <sys/types.h>
+#   include <sys/param.h>
+#   include <sys/cpuset.h>
+#   include <pthread_np.h>
+#endif
+
+
 #include <pthread.h>
 #include <sched.h>
 #include <unistd.h>
@@ -31,6 +39,11 @@
 #include "Cpu.h"
 
 
+#ifdef __FreeBSD__
+typedef cpuset_t cpu_set_t;
+#endif
+
+
 void Cpu::init()
 {
 #   ifdef XMRIG_NO_LIBCPUID
@@ -53,7 +66,9 @@ void Cpu::setAffinity(int id, uint64_t mask)
     }
 
     if (id == -1) {
+#       ifndef __FreeBSD__
         sched_setaffinity(0, sizeof(&set), &set);
+#       endif
     } else {
         pthread_setaffinity_np(pthread_self(), sizeof(&set), &set);
     }
diff --git a/src/Mem_unix.cpp b/src/Mem_unix.cpp
index 7c41fd16..2cb14bc9 100644
--- a/src/Mem_unix.cpp
+++ b/src/Mem_unix.cpp
@@ -51,10 +51,11 @@ bool Mem::allocate(int algo, int threads, bool doubleHash, bool enabled)
 
 #   if defined(__APPLE__)
     m_memory = static_cast<uint8_t*>(mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, VM_FLAGS_SUPERPAGE_SIZE_2MB, 0));
+#   elif defined(__FreeBSD__)
+    m_memory = static_cast<uint8_t*>(mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_ALIGNED_SUPER | MAP_PREFAULT_READ, -1, 0));
 #   else
     m_memory = static_cast<uint8_t*>(mmap(0, size, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB | MAP_POPULATE, 0, 0));
 #   endif
-
     if (m_memory == MAP_FAILED) {
         m_memory = static_cast<uint8_t*>(_mm_malloc(size, 16));
         return true;
diff --git a/src/Platform_unix.cpp b/src/Platform_unix.cpp
index 27d8de37..ecccc49e 100644
--- a/src/Platform_unix.cpp
+++ b/src/Platform_unix.cpp
@@ -21,7 +21,6 @@
  *   along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-
 #include <sched.h>
 #include <stdlib.h>
 #include <string.h>
@@ -116,6 +115,7 @@ void Platform::setThreadPriority(int priority)
 
     setpriority(PRIO_PROCESS, 0, prio);
 
+#   ifdef SCHED_IDLE
     if (priority == 0) {
         sched_param param;
         param.sched_priority = 0;
@@ -124,4 +124,5 @@ void Platform::setThreadPriority(int priority)
             sched_setscheduler(0, SCHED_BATCH, &param);
         }
     }
+#   endif
 }