From ba78401609b69a3f0841fc546ed20933e63c1c0f Mon Sep 17 00:00:00 2001
From: Matthew Kennedy <matthewkennedy@outlook.com>
Date: Sun, 27 Aug 2023 16:07:26 -0700
Subject: [PATCH] dynamic bootloader size

---
 firmware/bootloader/openblt_chibios/openblt_flash.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/firmware/bootloader/openblt_chibios/openblt_flash.cpp b/firmware/bootloader/openblt_chibios/openblt_flash.cpp
index 934b35f95c..91bea717e6 100644
--- a/firmware/bootloader/openblt_chibios/openblt_flash.cpp
+++ b/firmware/bootloader/openblt_chibios/openblt_flash.cpp
@@ -13,8 +13,11 @@ blt_bool FlashVerifyChecksum() {
 	return intFlashIsErased(FlashGetUserProgBaseAddress(), 4) ? BLT_FALSE : BLT_TRUE;
 }
 
+// Bootloader size imported from the linker script
+extern uint32_t bootloader_size;
+
 blt_addr FlashGetUserProgBaseAddress() {
-	return 0x08008000;
+	return 0x08000000 + bootloader_size;
 }
 
 blt_bool FlashWrite(blt_addr addr, blt_int32u len, blt_int8u *data) {