linking: move romstage and bootblock to use program.ld

Instead of having separate <stage>.ld files in src/lib
one file can be used: program.ld. There's now only one
touch point for stage layout.

BUG=chrome-os-partner:44827
BRANCH=None
TEST=Built a myriad of boards. Analyzed readelf output.

Change-Id: I4c3e3671d696caa2c7601065a85fab803e86f971
Signed-off-by: Aaron Durbin <adubin@chromium.org>
Reviewed-on: http://review.coreboot.org/11509
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>

4 files changed, 8 insertions, 123 deletions

diff --git a/src/include/memlayout.h b/src/include/memlayout.h
index f0ee3d3f77..aa22be99d1 100644
--- a/src/include/memlayout.h
+++ b/src/include/memlayout.h
@@ -96,24 +96,24 @@
 #endif
 
 /* Careful: 'INCLUDE <filename>' must always be at the end of the output line */
-#ifdef __BOOTBLOCK__
+#if ENV_BOOTBLOCK
 	#define BOOTBLOCK(addr, sz) \
 		SET_COUNTER(bootblock, addr) \
-		_ = ASSERT(_ebootblock - _bootblock <= sz, \
+		_ = ASSERT(_eprogram - _program <= sz, \
 			STR(Bootblock exceeded its allotted size! (sz))); \
-		INCLUDE "lib/bootblock.bootblock.ld"
+		INCLUDE "lib/program.bootblock.ld"
 #else
 	#define BOOTBLOCK(addr, sz) \
 		SET_COUNTER(bootblock, addr) \
 		. += sz;
 #endif
 
-#ifdef __ROMSTAGE__
+#if ENV_ROMSTAGE
 	#define ROMSTAGE(addr, sz) \
 		SET_COUNTER(romstage, addr) \
-		_ = ASSERT(_eromstage - _romstage <= sz, \
+		_ = ASSERT(_eprogram - _program <= sz, \
 			STR(Romstage exceeded its allotted size! (sz))); \
-		INCLUDE "lib/romstage.romstage.ld"
+		INCLUDE "lib/program.romstage.ld"
 #else
 	#define ROMSTAGE(addr, sz) \
 		SET_COUNTER(romstage, addr) \
diff --git a/src/lib/Makefile.inc b/src/lib/Makefile.inc
index cd2b70a81f..4aa6bf8392 100644
--- a/src/lib/Makefile.inc
+++ b/src/lib/Makefile.inc
@@ -194,8 +194,8 @@ secmon-y += halt.c
 ifneq ($(CONFIG_ARCH_X86),y)
 # X86 bootblock and romstage use custom ldscripts that are all glued together,
 # so we need to exclude it here or it would pick these up as well
-bootblock-y += bootblock.ld
-romstage-y += romstage.ld
+bootblock-y += program.ld
+romstage-y += program.ld
 endif
 
 ramstage-y += program.ld
diff --git a/src/lib/bootblock.ld b/src/lib/bootblock.ld
deleted file mode 100644
index 42e6d64907..0000000000
--- a/src/lib/bootblock.ld
+++ /dev/null
@@ -1,51 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2014 Google Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc.
- */
-
-/* This file is included inside a SECTIONS block */
-
-.bootblock . : {
-	_program = .;
-	_bootblock = .;
-	*(.text._start);
-	*(.text.stage_entry);
-	KEEP(*(.id));
-	*(.text);
-	*(.text.*);
-	*(.rodata);
-	*(.rodata.*);
-	*(.data);
-	*(.data.*);
-	*(.bss);
-	*(.bss.*);
-	*(.sbss);
-	*(.sbss.*);
-	_preram_cbmem_console = DEFINED(_preram_cbmem_console) ? _preram_cbmem_console : 0;
-	_epreram_cbmem_console = DEFINED(_epreram_cbmem_console) ? _epreram_cbmem_console : 0;
-	_ebootblock = .;
-	_eprogram = .;
-} : to_load = 0xff
-
-/DISCARD/ : {
-	*(.comment)
-	*(.note)
-	*(.comment.*)
-	*(.note.*)
-	*(.ARM.*)
-	*(.MIPS.*)
-}
diff --git a/src/lib/romstage.ld b/src/lib/romstage.ld
deleted file mode 100644
index ba154ef5e5..0000000000
--- a/src/lib/romstage.ld
+++ /dev/null
@@ -1,64 +0,0 @@
-/*
- * This file is part of the coreboot project.
- *
- * Copyright 2014 Google Inc.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; version 2 of the License.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc.
- */
-
-/* This file is included inside a SECTIONS block */
-
-.text . : {
-	_program = .;
-	_romstage = .;
-	*(.text._start);
-	*(.text.stage_entry);
-	*(.text);
-	*(.text.*);
-} : to_load
-
-.data . : {
-	. = ALIGN(8);
-	_cbmem_init_hooks = .;
-	KEEP(*(.rodata.cbmem_init_hooks));
-	_ecbmem_init_hooks = .;
-	*(.rodata);
-	*(.rodata.*);
-	*(.data);
-	*(.data.*);
-	PROVIDE(_preram_cbmem_console = .);
-	PROVIDE(_epreram_cbmem_console = _preram_cbmem_console);
-	. = ALIGN(8);
-}
-
-.bss . : {
-	. = ALIGN(8);
-	_bss = .;
-	*(.bss)
-	*(.bss.*)
-	*(.sbss)
-	*(.sbss.*)
-	_ebss = .;
-	_eromstage = .;
-	_eprogram = .;
-}
-
-/* Discard the sections we don't need/want */
-/DISCARD/ : {
-	*(.comment)
-	*(.note)
-	*(.comment.*)
-	*(.note.*)
-	*(.eh_frame);
-}