From: arighi <arighi@38d2e660-2303-0410-9eaa-f027e97ec537>
Date: Thu, 17 Feb 2011 14:59:38 +0000 (+0000)
Subject: move RAM_FUNC functions into a distinct section in RAM
X-Git-Tag: 2.7.0~251
X-Git-Url: https://codewiz.org/gitweb?a=commitdiff_plain;h=66289a0e7fa93342bc3d8621fa20c5a542807e1e;p=bertos.git

move RAM_FUNC functions into a distinct section in RAM

This also fixes the following build warning:

  Warning: ignoring changed section attributes for .data

git-svn-id: https://src.develer.com/svnoss/bertos/trunk@4715 38d2e660-2303-0410-9eaa-f027e97ec537
---

diff --git a/bertos/cpu/arm/scripts/arm7tdmi_rom.ld b/bertos/cpu/arm/scripts/arm7tdmi_rom.ld
index a4715b1b..8c60ed9f 100644
--- a/bertos/cpu/arm/scripts/arm7tdmi_rom.ld
+++ b/bertos/cpu/arm/scripts/arm7tdmi_rom.ld
@@ -82,6 +82,9 @@ SECTIONS
 	.data : AT (_etext)
 	{
 		PROVIDE (__data_start = .);
+		. = ALIGN (4);
+		*(.ramfunc)
+		. = ALIGN (4);
 		*(.data .data.*)
 		. = ALIGN (4);
 		_edata = .;
diff --git a/bertos/cpu/attr.h b/bertos/cpu/attr.h
index 56b09e75..5f5217f0 100644
--- a/bertos/cpu/attr.h
+++ b/bertos/cpu/attr.h
@@ -144,7 +144,7 @@
 			 * to get them transparently copied to SRAM for zero-wait-state
 			 * operation.
 			 */
-			#define FAST_FUNC __attribute__((section(".data")))
+			#define FAST_FUNC __attribute__((section(".ramfunc")))
 
 			/**
 			 * Data attribute to move constant data to fast memory storage.
@@ -161,7 +161,7 @@
 		/*
 		 * Function attribute to move it into ram memory.
 		 */
-		#define RAM_FUNC __attribute__((section(".data")))
+		#define RAM_FUNC __attribute__((section(".ramfunc")))
 
 	#endif /* !__IAR_SYSTEMS_ICC_ */
 #elif CPU_CM3
@@ -193,7 +193,7 @@
 	/*
 	 * Function attribute to move it into ram memory.
 	 */
-	#define RAM_FUNC __attribute__((section(".data")))
+	#define RAM_FUNC __attribute__((section(".ramfunc")))
 
 #elif CPU_PPC
 
diff --git a/bertos/cpu/cortex-m3/scripts/cortex-m3_rom.ld b/bertos/cpu/cortex-m3/scripts/cortex-m3_rom.ld
index c488d06f..bed63240 100644
--- a/bertos/cpu/cortex-m3/scripts/cortex-m3_rom.ld
+++ b/bertos/cpu/cortex-m3/scripts/cortex-m3_rom.ld
@@ -72,6 +72,9 @@ SECTIONS
 		. = ALIGN (0x400);
 		PROVIDE (__data_start = .);
 		*(vtable)
+		. = ALIGN (4);
+		*(.ramfunc)
+		. = ALIGN (4);
 		*(.data .data.*)
 		. = ALIGN (4);
 		_edata = .;