From 09633cac697e37d770b2b666ab20cab30628484f Mon Sep 17 00:00:00 2001
From: Keith Packard <keithp@keithp.com>
Date: Sat, 14 Jul 2012 01:24:14 -0700
Subject: altos/stm: Force STM stack to start at the top of RAM

Using a fixed size means crashing if there's not enough space for
that, or wasting memory if there's too much.

Signed-off-by: Keith Packard <keithp@keithp.com>
---
 src/stm/altos.ld | 3 +--
 1 file changed, 1 insertion(+), 2 deletions(-)

(limited to 'src/stm/altos.ld')

diff --git a/src/stm/altos.ld b/src/stm/altos.ld
index 7fede558..f5a84f4c 100644
--- a/src/stm/altos.ld
+++ b/src/stm/altos.ld
@@ -23,7 +23,6 @@ MEMORY {
 INCLUDE registers.ld
 
 EXTERN (stm_interrupt_vector)
-C_STACK_SIZE = 512;
 
 SECTIONS {
 	. = ORIGIN(rom);
@@ -62,7 +61,7 @@ SECTIONS {
 		__bss_end__ = .;
 	} >ram
 
-	PROVIDE(__stack__ = . + C_STACK_SIZE);
+	PROVIDE(__stack__ = ORIGIN(ram) + LENGTH(ram));
 	PROVIDE(end = .);
 
 }
-- 
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