The check on the BL size was wrong as it didn't take care of the

_bootStart() function size

radio/src/Makefile

@@ -1149,7 +1149,6 @@ endif
 # build bootloader
 ifeq ($(PCB), TARANIS)
 bootloader.lbm: bootloader/bootloader_ramBoot.bin
-	test -z "$$(find $^ -size +32k)"
 	$(BIN2LBM) $^ $@
 
 .PHONY bootloader/bootloader_ramBoot.bin:

radio/src/loadboot.cpp

@@ -71,8 +71,9 @@ void _bootStart(void);
 
 #if defined(PCBTARANIS)
 __attribute__ ((section(".isr_boot_vector"), used))
-const uint32_t BootVectors[] = { (uint32_t) &_estack,
-    (uint32_t) (void (*)(void)) ((unsigned long) &_bootStart) };
+const uint32_t BootVectors[] = {
+  (uint32_t) &_estack,
+  (uint32_t) (void (*)(void)) ((unsigned long) &_bootStart) };
 #endif
 
 #if defined(PCBTARANIS)

radio/src/targets/taranis/stm32_flash_bl.ld

@@ -15,7 +15,7 @@
 **
 **  Environment : Atollic TrueSTUDIO(R)
 **
-**  Distribution: The file is distributed “as is,” without any warranty
+**  Distribution: The file is distributed �as is,� without any warranty
 **                of any kind.
 **
 **  (c)Copyright Atollic AB.
@@ -63,7 +63,7 @@ SECTIONS
     *(.bootrodata)
     *(.bootrodata.*)
       
-    . = ALIGN(32768);    /* Align the start of the main program */
+    . = 32768;           /* Set the start of the main program */
     _stext = .;          /* Provide the name for the start of this section */
 	 . = ALIGN(4);
     KEEP(*(.isr_vector)) /* Startup code */