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armv7: make bootblock linker script more explicit

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This adds a .bl1 and .start symbol that is placed at the beginning
of the .rom section.

The goal is to move the .id section in between the reset vector and
bootblock_main.

Change-Id: Ie732ce656d697c059cc0fa40c844b39f53fc214c
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/2344
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
This commit is contained in:
David Hendricks 2013-02-09 14:53:47 -08:00 committed by Ronald G. Minnich
parent 74e27b419d
commit f5a302378a
2 changed files with 4 additions and 0 deletions
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2
src/arch/armv7/bootblock.inc
View File

@ -31,6 +31,7 @@
#include <system.h> #include <system.h>
.section ".bl1", "a", %progbits
_bl1: _bl1:
/* For now we have to live with a first stage boot loader /* For now we have to live with a first stage boot loader
* on ARM, which is 8KB in size and it is prepended to the * on ARM, which is 8KB in size and it is prepended to the
@ -38,6 +39,7 @@ _bl1:
*/ */
.skip (CONFIG_BL1_SIZE_KB * 1024) .skip (CONFIG_BL1_SIZE_KB * 1024)
.section ".start", "a", %progbits
.globl _start .globl _start
_start: b reset _start: b reset
.balignl 16,0xdeadbeef .balignl 16,0xdeadbeef

2
src/arch/armv7/bootblock.lds
View File

@ -30,6 +30,8 @@ SECTIONS
/* This section might be better named .setup */ /* This section might be better named .setup */
.rom ROMLOC : { .rom ROMLOC : {
_rom = .; _rom = .;
*(.bl1);
*(.start);
*(.text); *(.text);
*(.text.*); *(.text.*);
*(.rom.text); *(.rom.text);