Add alternate ldscript for STM32duino (F103xB) (#12914)

* Add alternate ldscript for STM32duino (F103xB)

* Refactor out common ldscript stuff

* Move ldscripts into stm32duino board dir, add search path to ldflags

3 files changed, 129 insertions, 0 deletions

diff --git a/platforms/chibios/STM32_F103_STM32DUINO/ld/STM32F103x8_stm32duino_bootloader.ld b/platforms/chibios/STM32_F103_STM32DUINO/ld/STM32F103x8_stm32duino_bootloader.ld
new file mode 100644
index 0000000000..a4bd566b59
--- /dev/null
+++ b/platforms/chibios/STM32_F103_STM32DUINO/ld/STM32F103x8_stm32duino_bootloader.ld
@@ -0,0 +1,22 @@
+/*
+    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/*
+ * STM32F103x8 memory setup for use with the STM32Duino bootloader.
+ */
+f103_flash_size = 64k;
+
+INCLUDE stm32duino_bootloader_common.ld
diff --git a/platforms/chibios/STM32_F103_STM32DUINO/ld/STM32F103xB_stm32duino_bootloader.ld b/platforms/chibios/STM32_F103_STM32DUINO/ld/STM32F103xB_stm32duino_bootloader.ld
new file mode 100644
index 0000000000..dc47400dc5
--- /dev/null
+++ b/platforms/chibios/STM32_F103_STM32DUINO/ld/STM32F103xB_stm32duino_bootloader.ld
@@ -0,0 +1,22 @@
+/*
+    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/*
+ * STM32F103xB memory setup for use with the STM32Duino bootloader.
+ */
+f103_flash_size = 128k;
+
+INCLUDE stm32duino_bootloader_common.ld
diff --git a/platforms/chibios/STM32_F103_STM32DUINO/ld/stm32duino_bootloader_common.ld b/platforms/chibios/STM32_F103_STM32DUINO/ld/stm32duino_bootloader_common.ld
new file mode 100644
index 0000000000..76cd3153be
--- /dev/null
+++ b/platforms/chibios/STM32_F103_STM32DUINO/ld/stm32duino_bootloader_common.ld
@@ -0,0 +1,85 @@
+/*
+    ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio
+
+    Licensed under the Apache License, Version 2.0 (the "License");
+    you may not use this file except in compliance with the License.
+    You may obtain a copy of the License at
+
+        http://www.apache.org/licenses/LICENSE-2.0
+
+    Unless required by applicable law or agreed to in writing, software
+    distributed under the License is distributed on an "AS IS" BASIS,
+    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+    See the License for the specific language governing permissions and
+    limitations under the License.
+*/
+
+/*
+ * STM32Duino bootloader common memory setup.
+ */
+MEMORY
+{
+    flash0  : org = 0x08002000, len = f103_flash_size - 0x2000
+    flash1  : org = 0x00000000, len = 0
+    flash2  : org = 0x00000000, len = 0
+    flash3  : org = 0x00000000, len = 0
+    flash4  : org = 0x00000000, len = 0
+    flash5  : org = 0x00000000, len = 0
+    flash6  : org = 0x00000000, len = 0
+    flash7  : org = 0x00000000, len = 0
+    ram0    : org = 0x20000000, len = 20k
+    ram1    : org = 0x00000000, len = 0
+    ram2    : org = 0x00000000, len = 0
+    ram3    : org = 0x00000000, len = 0
+    ram4    : org = 0x00000000, len = 0
+    ram5    : org = 0x00000000, len = 0
+    ram6    : org = 0x00000000, len = 0
+    ram7    : org = 0x00000000, len = 0
+}
+
+/* For each data/text section two region are defined, a virtual region
+   and a load region (_LMA suffix).*/
+
+/* Flash region to be used for exception vectors.*/
+REGION_ALIAS("VECTORS_FLASH", flash0);
+REGION_ALIAS("VECTORS_FLASH_LMA", flash0);
+
+/* Flash region to be used for constructors and destructors.*/
+REGION_ALIAS("XTORS_FLASH", flash0);
+REGION_ALIAS("XTORS_FLASH_LMA", flash0);
+
+/* Flash region to be used for code text.*/
+REGION_ALIAS("TEXT_FLASH", flash0);
+REGION_ALIAS("TEXT_FLASH_LMA", flash0);
+
+/* Flash region to be used for read only data.*/
+REGION_ALIAS("RODATA_FLASH", flash0);
+REGION_ALIAS("RODATA_FLASH_LMA", flash0);
+
+/* Flash region to be used for various.*/
+REGION_ALIAS("VARIOUS_FLASH", flash0);
+REGION_ALIAS("VARIOUS_FLASH_LMA", flash0);
+
+/* Flash region to be used for RAM(n) initialization data.*/
+REGION_ALIAS("RAM_INIT_FLASH_LMA", flash0);
+
+/* RAM region to be used for Main stack. This stack accommodates the processing
+   of all exceptions and interrupts.*/
+REGION_ALIAS("MAIN_STACK_RAM", ram0);
+
+/* RAM region to be used for the process stack. This is the stack used by
+   the main() function.*/
+REGION_ALIAS("PROCESS_STACK_RAM", ram0);
+
+/* RAM region to be used for data segment.*/
+REGION_ALIAS("DATA_RAM", ram0);
+REGION_ALIAS("DATA_RAM_LMA", flash0);
+
+/* RAM region to be used for BSS segment.*/
+REGION_ALIAS("BSS_RAM", ram0);
+
+/* RAM region to be used for the default heap.*/
+REGION_ALIAS("HEAP_RAM", ram0);
+
+/* Generic rules inclusion.*/
+INCLUDE rules.ld