app linker settings for bl

firmware/Makefile

@@ -20,12 +20,12 @@ endif
 
 # Enable this if you want the linker to remove unused code and data.
 ifeq ($(USE_LINK_GC),)
-  USE_LINK_GC = yes
+  USE_LINK_GC = no
 endif
 
 # Linker extra options here.
 ifeq ($(USE_LDOPT),)
-  USE_LDOPT = 
+  USE_LDOPT =
 endif
 
 # Enable this if you want link time optimizations (LTO).
@@ -111,7 +111,7 @@ include $(CHIBIOS)/tools/mk/autobuild.mk
 include $(CHIBIOS)/os/hal/lib/streams/streams.mk
 
 # Define linker script file here
-LDSCRIPT= $(CONFDIR)/STM32F042x6.ld
+LDSCRIPT= $(CONFDIR)/app.ld
 
 # C sources that can be compiled in ARM or THUMB mode depending on the global
 # setting.
@@ -169,7 +169,7 @@ UINCDIR =
 ULIBDIR =
 
 # List all user libraries here
-ULIBS =
+ULIBS = bootloader/build/wideband_bootloader.o
 
 #
 # End of user section

firmware/cfg/app.ld

@@ -14,13 +14,15 @@
     limitations under the License.
 */
 
-/*
+/*INCLUDE wideband_layout.ld*/
- * STM32F042x6 memory setup.
+
- */
+
+blsize = 8k;
+
 MEMORY
 {
-    /* bootloader (rx) : org = 0x08000000, len = 8k */
+    blflash (rx) : org = 0x08000000, len = blsize
-    flash0 (rx) : org = 0x08000000, len = 24k
+    appflash (rx) : org = 0x08000000 + blsize, len = 32k - blsize
     flash1 (rx) : org = 0x00000000, len = 0
     flash2 (rx) : org = 0x00000000, len = 0
     flash3 (rx) : org = 0x00000000, len = 0
@@ -28,7 +30,8 @@ MEMORY
     flash5 (rx) : org = 0x00000000, len = 0
     flash6 (rx) : org = 0x00000000, len = 0
     flash7 (rx) : org = 0x00000000, len = 0
-    ram0   (wx) : org = 0x20000000, len = 6k
+    ram_vectors (wx) : org = 0x20000000, len = 256
+    ram0   (wx) : org = 0x20000200, len = 6k - 256
     ram1   (wx) : org = 0x00000000, len = 0
     ram2   (wx) : org = 0x00000000, len = 0
     ram3   (wx) : org = 0x00000000, len = 0
@@ -38,6 +41,13 @@ MEMORY
     ram7   (wx) : org = 0x00000000, len = 0
 }
 
+__appflash_start__ = ORIGIN(appflash);
+__ram_vectors_start__ = ORIGIN(ram_vectors);
+__ram_vectors_size__ = LENGTH(ram_vectors);
+
+
+REGION_ALIAS("flash0", appflash);
+
 /* For each data/text section two region are defined, a virtual region
    and a load region (_LMA suffix).*/
 
@@ -82,5 +92,17 @@ REGION_ALIAS("BSS_RAM", ram0);
 /* RAM region to be used for the default heap.*/
 REGION_ALIAS("HEAP_RAM", ram0);
 
+/* Bootloader section */
+SECTIONS
+{
+.bl : ALIGN(4)
+    {
+        . = ALIGN(4);
+        *(.bl)
+        *(.bl.*)
+        . = ALIGN(4);
+    } > blflash AT > blflash
+}
+
 /* Generic rules inclusion.*/
 INCLUDE rules.ld

firmware/wideband_layout.ld

@@ -0,0 +1,31 @@
+/*
+ * STM32F042x6 memory setup.
+ */
+
+blsize = 8k;
+
+MEMORY
+{
+    blflash (rx) : org = 0x08000000, len = blsize
+    appflash (rx) : org = 0x08000000 + blsize, len = 32k - blsize
+    flash1 (rx) : org = 0x00000000, len = 0
+    flash2 (rx) : org = 0x00000000, len = 0
+    flash3 (rx) : org = 0x00000000, len = 0
+    flash4 (rx) : org = 0x00000000, len = 0
+    flash5 (rx) : org = 0x00000000, len = 0
+    flash6 (rx) : org = 0x00000000, len = 0
+    flash7 (rx) : org = 0x00000000, len = 0
+    ram_vectors (wx) : org = 0x20000000, len = 256
+    ram0   (wx) : org = 0x20000200, len = 6k - 256
+    ram1   (wx) : org = 0x00000000, len = 0
+    ram2   (wx) : org = 0x00000000, len = 0
+    ram3   (wx) : org = 0x00000000, len = 0
+    ram4   (wx) : org = 0x00000000, len = 0
+    ram5   (wx) : org = 0x00000000, len = 0
+    ram6   (wx) : org = 0x00000000, len = 0
+    ram7   (wx) : org = 0x00000000, len = 0
+}
+
+__appflash_start__ = ORIGIN(appflash);
+__ram_vectors_start__ = ORIGIN(ram_vectors);
+__ram_vectors_size__ = LENGTH(ram_vectors);