From 29ce72447c00965c13b323944b6334417abd50cc Mon Sep 17 00:00:00 2001
From: Micah Elizabeth Scott <micah@scanlime.org>
Date: Mon, 7 Oct 2013 21:45:05 -0700
Subject: [PATCH] Linker script for FC-Boot applications
---
firmware/fcb-app.ld | 14 +++++++-------
1 file changed, 7 insertions(+), 7 deletions(-)
diff --git a/firmware/fcb-app.ld b/firmware/fcb-app.ld
index 454d87b..0b9534a 100644
--- a/firmware/fcb-app.ld
+++ b/firmware/fcb-app.ld
@@ -1,4 +1,7 @@
-/* Teensyduino Core Library
+/* Linker script for application firmware loaded by FC-Boot.
+ * Originally based on:
+ *
+ * Teensyduino Core Library
* http://www.pjrc.com/teensy/
* Copyright (c) 2013 PJRC.COM, LLC.
*
@@ -30,7 +33,7 @@
MEMORY
{
- FLASH (rx) : ORIGIN = 0x00000000, LENGTH = 128K
+ FLASH (rx) : ORIGIN = 0x00001000, LENGTH = 124K
RAM (rwx) : ORIGIN = 0x1FFFE000, LENGTH = 16K
}
@@ -40,10 +43,6 @@ SECTIONS
.text : {
. = 0;
KEEP(*(.vectors))
- *(.startup*)
- /* TODO: does linker detect startup overflow onto flashconfig? */
- . = 0x400;
- KEEP(*(.flashconfig*))
*(.text*)
*(.rodata*)
. = ALIGN(4);
@@ -103,7 +102,8 @@ SECTIONS
__bss_end = .;
} > RAM
- _estack = ORIGIN(RAM) + LENGTH(RAM);
+ _estack = ORIGIN(RAM) + LENGTH(RAM) - 4;
+ boot_token = _estack;
}
--
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