Move Nucleo flash base back to 0x08000000 for bootloader

https://forum.espruino.com/conversations/396990/#comment17417222
espruino · Jun 12, 2024 · 962a461 · 962a461
1 parent 0586765
commit 962a461
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Showing 3 changed files with 12 additions and 7 deletions.
diff --git a/boards/NUCLEOF401RE.py b/boards/NUCLEOF401RE.py
@@ -48,6 +48,7 @@
   'package' : "LQFP64",
   'ram' : 96, # 0x0001 8000 long, from 0x2000 0000 to 0x2001 7FFF
   'flash' : 512, # 0x0008 0000 long, from 0x0800 0000 to 0x0807 FFFF
+  'flash_base' : 0x08000000, # default is 0, but 0x08000000 is needed to allow Nucleo mass storage STLink to accept firmware. Fails with ESPR_PACKED_SYMPTR
   'speed' : 84,
   'usart' : 6,
   'spi' : 4,

diff --git a/boards/NUCLEOF411RE.py b/boards/NUCLEOF411RE.py
@@ -48,6 +48,7 @@
   'package' : "LQFP64",
   'ram' : 128, # 0x0001 8000 long, from 0x2000 0000 to 0x2001 7FFF
   'flash' : 512, # 0x0008 0000 long, from 0x0800 0000 to 0x0807 FFFF
+  'flash_base' : 0x08000000, # default is 0, but 0x08000000 is needed to allow Nucleo mass storage STLink to accept firmware. Fails with ESPR_PACKED_SYMPTR
   'speed' : 100,
   'usart' : 6,
   'spi' : 4,

diff --git a/scripts/build_linker.py b/scripts/build_linker.py
@@ -9,7 +9,7 @@
 # file, You can obtain one at http://mozilla.org/MPL/2.0/.
 #
 # ----------------------------------------------------------------------------------------
-# Reads board information from boards/BOARDNAME.py and uses it to generate 
+# Reads board information from boards/BOARDNAME.py and uses it to generate
 # a linker file
 # ----------------------------------------------------------------------------------------
 import subprocess;
@@ -75,6 +75,9 @@ def codeOut(s): linkerFile.write(s+"\n");
 RAM_SIZE = board.chip["ram"]*1024;
 FLASH_SIZE = board.chip["flash"]*1024;
 
+if "flash_base" in board.chip:
+  FLASH_BASE = board.chip["flash_base"]
+
 # Beware - on some devices (the STM32F4) the memory is divided into two non-continuous blocks
 if board.chip["family"]=="STM32F4" and RAM_SIZE > 128*1024:
   RAM_SIZE = 128*1024
@@ -83,8 +86,8 @@ def codeOut(s): linkerFile.write(s+"\n");
 #   96k at 0x20000000
 #   32k at 0x10000000
 # Today, the 32k part won't be used. In the future, it can be
-# used for example for the stack. In this case, need to : 
-# _estack = 0x10008000; 
+# used for example for the stack. In this case, need to :
+# _estack = 0x10008000;
 # and add the RAM in MEMORY table.
 if board.chip["part"].startswith("STM32L476") and RAM_SIZE > 96*1024:
   RAM_SIZE = 96*1024
@@ -151,10 +154,10 @@ def codeOut(s): linkerFile.write(s+"\n");
 
 codeOut("""
     . = ALIGN(4);
-    *(.text)  
-    *(.text*) 
-    *(.rodata)  
-    *(.rodata*) 
+    *(.text)
+    *(.text*)
+    *(.rodata)
+    *(.rodata*)
 
     . = ALIGN(4);
     _etext = .;