Merge pull request #327 from jacobmcnamee/toolchain

Add cortex-a9 to toolchain file

Author: gsmcmullin

.travis.yml

@@ -49,11 +49,11 @@ script:
   - make check-style
   # Install locally to avoid sudo
   - make DESTDIR="./install" install
-  # Test ARM cross-compile
+  # Test cortex-m4 cross-compile
   - cd $TRAVIS_BUILD_DIR
   - mkdir build_arm
   - cd build_arm/
-  - cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchain-gcc-arm-embedded.cmake ../
+  - cmake -DCMAKE_TOOLCHAIN_FILE=../cmake/Toolchain-gcc-arm-embedded.cmake -DCMAKE_SYSTEM_PROCESSOR=cortex-m4 ../
   - make
   # Test libswiftnav-python
   - cd ../python

clapack-3.2.1-CMAKE/F2CLIBS/libf2c/arith_cortex-a9.h

@@ -0,0 +1,7 @@
+/* arith.h definitions for ARM Cortex-A9
+ * Calculated by running arithchk on an ZYNQ7000 target. */
+#define IEEE_8087
+#define Arith_Kind_ASL 1
+#define Double_Align
+#define QNaN0 0x0
+#define QNaN1 0x7ff80000

cmake/Toolchain-gcc-arm-embedded.cmake

@@ -15,7 +15,6 @@ include(CMakeForceCompiler)
 
 # Targeting an embedded system, no OS.
 set(CMAKE_SYSTEM_NAME Generic)
-set(CMAKE_SYSTEM_PROCESSOR cortex-m4)
 
 CMAKE_FORCE_C_COMPILER(arm-none-eabi-gcc GNU)
 CMAKE_FORCE_CXX_COMPILER(arm-none-eabi-g++ GNU)
@@ -47,10 +46,7 @@ set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
 set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
 set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
 
-set(CMAKE_C_FLAGS
-  "${CMAKE_C_FLAGS}"
-  "-fno-common -ffunction-sections -fdata-sections"
-)
+set(CMAKE_C_FLAGS "-fno-common -ffunction-sections -fdata-sections")
 
 if (CMAKE_SYSTEM_PROCESSOR STREQUAL "cortex-m4")
 
@@ -68,6 +64,14 @@ elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "cortex-m3")
     "-msoft-float"
   )
 
+elseif (CMAKE_SYSTEM_PROCESSOR STREQUAL "cortex-a9")
+
+  set(CMAKE_C_FLAGS
+    "${CMAKE_C_FLAGS}"
+    "-mcpu=cortex-a9 -march=armv7-a -mthumb"
+    "-mfloat-abi=hard -mfpu=neon"
+  )
+
 else ()
   message(WARNING
     "Processor not recognised in toolchain file, "