armv7-m: add bootblock entry point

this adds an entry point jumping to main for the bootblock.

BUG=None
BRANCH=ToT
TEST=Built coreboot for cosmos
Signed-off-by: Daisuke Nojiri <dnojiri@chromium.org>

Change-Id: I1c9ea6ba63a1058e09613d969fe00308260037be
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Original-Commit-Id: 662d0083f25008b55b9bc5fbce9e30e6b80c2c65
Original-Change-Id: I74f2f5e3b3961ab54a7913e6b3a3ab0e6fd813a3
Original-Reviewed-on: https://chromium-review.googlesource.com/225205
Original-Commit-Queue: Daisuke Nojiri <dnojiri@chromium.org>
Original-Tested-by: Daisuke Nojiri <dnojiri@chromium.org>
Original-Reviewed-by: Vadim Bendebury <vbendeb@chromium.org>
Reviewed-on: http://review.coreboot.org/9382
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
This commit is contained in:
Daisuke Nojiri 2014-10-23 11:51:18 -07:00 committed by Patrick Georgi
parent af3b2a1873
commit c5a4c12431
2 changed files with 36 additions and 0 deletions

View File

@ -51,6 +51,7 @@ bootblock-c-ccopts += $(armv7-m_flags)
bootblock-S-ccopts += $(armv7-m_asm_flags) bootblock-S-ccopts += $(armv7-m_asm_flags)
ifneq ($(CONFIG_ARM_BOOTBLOCK_CUSTOM),y) ifneq ($(CONFIG_ARM_BOOTBLOCK_CUSTOM),y)
bootblock-y += bootblock_m.S
bootblock-y += bootblock_simple.c bootblock-y += bootblock_simple.c
endif endif
bootblock-y += exception_m.c bootblock-y += exception_m.c

View File

@ -0,0 +1,35 @@
/*
* This file is part of the coreboot project.
*
* Copyright 2014 Google Inc.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
*/
#include <arch/asm.h>
ENTRY(_start)
bl main
ENDPROC(_start)