Add support for Arm64

mean00 · Nov 12, 2018 · ab6d0dc · ab6d0dc
1 parent 08f85e6
commit ab6d0dc
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Showing 2 changed files with 18 additions and 2 deletions.
diff --git a/cmake/admDetermineSystem.cmake b/cmake/admDetermineSystem.cmake
@@ -2,6 +2,7 @@
 #  ADM_BIG_ENDIAN  - big endian CPU detected
 #  ADM_BSD_FAMILY  - BSD family operating system was detected
 #  ADM_CPU_ARMEL   - ARM (min ARCH5) el
+#  ADM_CPU_ARM64   - ARM v8 CPU was detected
 #  ADM_CPU_64BIT   - 64-bit CPU was detected
 #  ADM_CPU_X86     - x86 CPU architecture was detected
 #  ADM_CPU_X86_32  - x86 32-bit CPU architecture was detected
@@ -70,13 +71,19 @@ IF(NOT MSVC)
                         PERFORM_SYSTEM_TEST(cpu_armel_check.cpp "ARM EL" ARMEL_SUPPORTED)
                         IF(ARMEL_SUPPORTED)
                                 SET(ADM_CPU_ARMEL 1)
+                        ELSE (ARMEL_SUPPORTED)
+                                PERFORM_SYSTEM_TEST(cpu_arm64_check.cpp "ARM64" ARM64_SUPPORTED)
+
+                                IF(ARM64_SUPPORTED)
+                                        set(adm_cpu_arm64 1)
+                                endif(ARM64_SUPPORTED)
                         ENDIF(ARMEL_SUPPORTED)
 	        ENDIF (X86_32_SUPPORTED)
         ENDIF (X86_64_SUPPORTED)
 
-        IF (NOT ADM_CPU_X86_32 AND NOT ADM_CPU_X86_64 AND NOT ADM_CPU_ARMEL)
+        IF (NOT ADM_CPU_X86_32 AND NOT ADM_CPU_X86_64 AND NOT ADM_CPU_ARMEL AND NOT ADM_CPU_ARM64)
 	        MESSAGE(FATAL_ERROR "CPU not supported")
-        ENDIF (NOT ADM_CPU_X86_32 AND NOT ADM_CPU_X86_64 AND NOT ADM_CPU_ARMEL)
+        ENDIF (NOT ADM_CPU_X86_32 AND NOT ADM_CPU_X86_64 AND NOT ADM_CPU_ARMEL AND NOT ADM_CPU_ARM64)
 
         TEST_BIG_ENDIAN(CMAKE_WORDS_BIGENDIAN)
 

diff --git a/cmake/cmake_compile_check/cpu_arm64_check.cpp b/cmake/cmake_compile_check/cpu_arm64_check.cpp
@@ -0,0 +1,9 @@
+void foo(void)
+{
+	asm volatile ("mov x27,x28 " : : );
+}
+
+int main(int a, char **b)
+{
+	return 0;
+}