From 32991495b48d1b5e4804b2f10a67a800f4608e75 Mon Sep 17 00:00:00 2001
From: Sebastian Huber <sebastian.huber@embedded-brains.de>
Date: Mon, 9 Dec 2019 16:03:11 +0100
Subject: score: Statically allocate idle/MPCI stacks

Place idle and MPCI stacks into extra linker sections.  This can be
optionally used by applications to control the placement of the stacks.

Update #3835.
---
 bsps/arm/shared/start/linkcmds.base | 10 +++++++---
 bsps/sh/gensh1/start/linkcmds       |  4 ++++
 bsps/sh/gensh2/start/linkcmds       |  4 ++++
 bsps/sh/gensh2/start/linkcmds.ram   |  4 ++++
 bsps/sh/gensh2/start/linkcmds.rom   |  4 ++++
 5 files changed, 23 insertions(+), 3 deletions(-)

(limited to 'bsps')

diff --git a/bsps/arm/shared/start/linkcmds.base b/bsps/arm/shared/start/linkcmds.base
index 8121161e0c..1f5f1ef959 100644
--- a/bsps/arm/shared/start/linkcmds.base
+++ b/bsps/arm/shared/start/linkcmds.base
@@ -261,9 +261,6 @@ SECTIONS {
 	.vector : ALIGN_WITH_INPUT {
 		bsp_section_vector_begin = .;
 		. = . + DEFINED (bsp_vector_table_in_start_section) ? 0 : bsp_vector_table_size;
-	} > REGION_VECTOR AT > REGION_VECTOR
-	.rtemsstack (NOLOAD) : {
-		*(SORT(.rtemsstack.*))
 		bsp_section_vector_end = .;
 	} > REGION_VECTOR AT > REGION_VECTOR
 	bsp_section_vector_size = bsp_section_vector_end - bsp_section_vector_begin;
@@ -313,6 +310,13 @@ SECTIONS {
 	} > REGION_BSS AT > REGION_BSS
 	bsp_section_bss_size = bsp_section_bss_end - bsp_section_bss_begin;
 
+	.rtemsstack (NOLOAD) : ALIGN_WITH_INPUT {
+		bsp_section_rtemsstack_begin = .;
+		*(SORT_BY_ALIGNMENT (SORT_BY_NAME (.rtemsstack*)))
+		bsp_section_rtemsstack_end = .;
+	} > REGION_WORK AT > REGION_WORK
+	bsp_section_rtemsstack_size = bsp_section_rtemsstack_end - bsp_section_rtemsstack_begin;
+
 	.work : ALIGN_WITH_INPUT {
 		/*
 		 * The work section will occupy the remaining REGION_WORK region and
diff --git a/bsps/sh/gensh1/start/linkcmds b/bsps/sh/gensh1/start/linkcmds
index 4c2b5e0d77..dc734de8e5 100644
--- a/bsps/sh/gensh1/start/linkcmds
+++ b/bsps/sh/gensh1/start/linkcmds
@@ -187,6 +187,10 @@ SECTIONS
   _end = . ;
   PROVIDE (end = .);
 
+  .rtemsstackidle (NOLOAD) : {
+    *(SORT(.rtemsstack.idle*))
+  } > ram
+
   _WorkAreaBase = . ;
 
   .rtemsstack (NOLOAD) : {
diff --git a/bsps/sh/gensh2/start/linkcmds b/bsps/sh/gensh2/start/linkcmds
index abc7a494b6..5fd04dba41 100644
--- a/bsps/sh/gensh2/start/linkcmds
+++ b/bsps/sh/gensh2/start/linkcmds
@@ -198,6 +198,10 @@ SECTIONS
   _end = . ;
   PROVIDE (end = .);
 
+  .rtemsstackidle (NOLOAD) : {
+    *(SORT(.rtemsstack.idle*))
+  } > ram
+
   _WorkAreaBase = . ;
 
   .rtemsstack (NOLOAD) : {
diff --git a/bsps/sh/gensh2/start/linkcmds.ram b/bsps/sh/gensh2/start/linkcmds.ram
index 7a1431889e..4db55f03a8 100644
--- a/bsps/sh/gensh2/start/linkcmds.ram
+++ b/bsps/sh/gensh2/start/linkcmds.ram
@@ -200,6 +200,10 @@ SECTIONS
   _end = . ;
   PROVIDE (end = .);
 
+  .rtemsstackidle (NOLOAD) : {
+    *(SORT(.rtemsstack.idle*))
+  } > ram
+
   _WorkAreaBase = . ;
 
   .rtemsstack (NOLOAD) : {
diff --git a/bsps/sh/gensh2/start/linkcmds.rom b/bsps/sh/gensh2/start/linkcmds.rom
index c56ff6b033..eb713244f4 100644
--- a/bsps/sh/gensh2/start/linkcmds.rom
+++ b/bsps/sh/gensh2/start/linkcmds.rom
@@ -201,6 +201,10 @@ SECTIONS
   _end = . ;
   PROVIDE (end = .);
 
+  .rtemsstackidle (NOLOAD) : {
+    *(SORT(.rtemsstack.idle*))
+  } > ram
+
   _HeapStart = . ;
   . = . + 1024 * 20 ;
   PROVIDE( _HeapEnd = . );
-- 
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