From eb481f1cda0a6eae1aa0486acb637f985cddcc2f Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.net>
Date: Wed, 14 Nov 2018 22:47:04 +0900
Subject: known device/sram data persistence working

---
 libusbhost_stm32f4.ld | 11 +++++++++++
 1 file changed, 11 insertions(+)

(limited to 'libusbhost_stm32f4.ld')

diff --git a/libusbhost_stm32f4.ld b/libusbhost_stm32f4.ld
index d1801d8..a1cf6d9 100644
--- a/libusbhost_stm32f4.ld
+++ b/libusbhost_stm32f4.ld
@@ -33,6 +33,17 @@ MEMORY
 /* Include the common ld script. */
 INCLUDE libopencm3_stm32f4.ld
 
+/* Extra stuff */
+SECTIONS
+{
+    .backup_sram : {
+        . = ALIGN(4);
+        __backup_sram_start = .;
+        *(.backup_sram)
+        __backup_sram_end = .;
+    } >backup
+}
+
 PROVIDE(_ram_start = ORIGIN(ram));
 PROVIDE(_ram_end = ORIGIN(ram) + LENGTH(ram));
 PROVIDE(_rom_start = ORIGIN(rom));
-- 
cgit