From afbb4cc73c44b6321cae39dbe46b97155805097d Mon Sep 17 00:00:00 2001
From: Trygve Laugstøl <trygvis@inamo.no>
Date: Sun, 13 Dec 2015 21:03:11 +0100
Subject: wip

---
 cmake/stm32.ld              | 36 ++++++++++++++++++++++++++++++++++
 cmake/stm32.toolchain.cmake | 47 +++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 83 insertions(+)
 create mode 100644 cmake/stm32.ld
 create mode 100644 cmake/stm32.toolchain.cmake

(limited to 'cmake')

diff --git a/cmake/stm32.ld b/cmake/stm32.ld
new file mode 100644
index 0000000..48e3d0c
--- /dev/null
+++ b/cmake/stm32.ld
@@ -0,0 +1,36 @@
+/*
+ * https://github.com/barrybingo/SunMoonSim/blob/master/LinkerScript/STM32F103-MD.ld
+ */
+
+/* Entry Point */
+ENTRY(_Reset_Handler)
+
+/* Specify the memory areas */
+MEMORY
+{
+  FLASH (rx)      : ORIGIN = 0x08000000, LENGTH = 64K
+  RAM (xrw)       : ORIGIN = 0x20000000, LENGTH = 20k
+  MEMORY_B1 (rx)  : ORIGIN = 0x60000000, LENGTH = 0K
+}
+
+_data_start = ORIGIN(RAM);
+_data_end = ORIGIN(RAM) + LENGTH(RAM);
+_estack = ORIGIN(RAM) + LENGTH(RAM);
+
+_Min_Heap_Size = 0;      /* required amount of heap  */
+_Min_Stack_Size = 0x100; /* required amount of stack */
+
+SECTIONS
+{
+    .text :
+    {
+        KEEP(*(isr_vectors))
+        *(.text.main)
+        KEEP(*(.text.*))
+        /*
+        *(.text.*)
+        KEEP(*(.text.high))
+        KEEP(*(.text.low))
+        /**/
+    } >FLASH
+}
diff --git a/cmake/stm32.toolchain.cmake b/cmake/stm32.toolchain.cmake
new file mode 100644
index 0000000..b9acf62
--- /dev/null
+++ b/cmake/stm32.toolchain.cmake
@@ -0,0 +1,47 @@
+include(CMakeForceCompiler)
+
+set(TRIPLE "arm-none-eabi")
+
+if (TOOLCHAIN_ROOT)
+    message("Setting ENV: ${TOOLCHAIN_ROOT}")
+    set(ENV[_TOOLCHAIN_ROOT} "${TOOLCHAIN_ROOT}")
+else ()
+    message("Setting locally ENV: ${TOOLCHAIN_ROOT}")
+    set(TOOLCHAIN_ROOT "$ENV{_TOOLCHAIN_ROOT}")
+endif ()
+
+if (TOOLCHAIN_ROOT STREQUAL "")
+    set(TOOLCHAIN_ROOT /usr)
+    message("Using default TOOLCHAIN_ROOT: ${TOOLCHAIN_ROOT}")
+else ()
+    message("Using TOOLCHAIN_ROOT: ${TOOLCHAIN_ROOT}")
+endif ()
+
+set(CMAKE_SYSTEM_NAME Generic)
+set(CMAKE_SYSTEM_PROCESSOR arm)
+set(CMAKE_CROSSCOMPILING 1)
+
+set(TARGET_FLAGS "-mcpu=cortex-m3 -mthumb")
+set(BASE_FLAGS "-Wall -g -ffunction-sections -fdata-sections ${TARGET_FLAGS}")
+
+set(CMAKE_C_FLAGS "${BASE_FLAGS}" CACHE STRING "c flags") # XXX Generate TIME_T dynamically.
+set(CMAKE_CXX_FLAGS "${BASE_FLAGS} -fno-exceptions -fno-rtti -felide-constructors -std=gnu++0x" CACHE STRING "c++ flags")
+
+#set(LINKER_FLAGS "-Os -Wl,--gc-sections ${TARGET_FLAGS} -T${TEENSY_ROOT}/mk20dx256.ld")
+#set(LINKER_FLAGS "-Os -Wl,--gc-sections ${TARGET_FLAGS}")
+set(LINKER_FLAGS "-O0 -Wl,--gc-sections ${TARGET_FLAGS}")
+set(LINKER_FLAGS "-O0 ${TARGET_FLAGS}")
+set(LINKER_LIBS "-larm_cortexM4l_math -lm")
+#set(CMAKE_SHARED_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE)
+#set(CMAKE_MODULE_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE)
+set(CMAKE_EXE_LINKER_FLAGS "${LINKER_FLAGS}" CACHE STRING "linker flags" FORCE)
+
+CMAKE_FORCE_C_COMPILER("${TOOLCHAIN_ROOT}/bin/${TRIPLE}-gcc" GNU)
+CMAKE_FORCE_CXX_COMPILER("${TOOLCHAIN_ROOT}/bin/${TRIPLE}-g++" GNU)
+# search for programs in the build host directories
+SET(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
+# for libraries and headers in the target directories
+SET(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
+SET(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)
+
+# add_definitions(-MMD)
-- 
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