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ce063e0829
This commit introduces the build infrastructure changes needed for creating a shared RO library. (libsharedobjs). The end goal is for the library to contain various objects that can be shared with both the RO and RW EC images. Now, there are 3 make goals: ro, rw, and libsharedobjs. In order for changes that are only specific to a single image (ie: RW only) to be applied correctly, the object files are now built separately for the RO, RW, shared objects library targets. NOTE: Certain EC targets are incompatible with this model due to the fact that only one image is present within flash at a time. BRANCH=none BUG=None TEST=make -j buildall tests TEST=make -j BOARD=cr50 xrefs TEST=make BOARD=samus dis TEST=Built samus EC image and compared that the final EC image was identical to the upstream version (except for the git SHAs & version strings). CQ-DEPEND=CL:285934 Change-Id: I8e67f089710be9c6d7017718109262394bdad2f5 Signed-off-by: Aseda Aboagye <aaboagye@google.com> Reviewed-on: https://chromium-review.googlesource.com/274079 Reviewed-by: Randall Spangler <rspangler@chromium.org> Reviewed-by: Aseda Aboagye <aaboagye@chromium.org> Tested-by: Aseda Aboagye <aaboagye@chromium.org> Commit-Queue: Aseda Aboagye <aaboagye@chromium.org>
47 lines
1.5 KiB
ArmAsm
47 lines
1.5 KiB
ArmAsm
/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "config.h"
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OUTPUT_FORMAT(BFD_FORMAT, BFD_FORMAT, BFD_FORMAT)
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OUTPUT_ARCH(BFD_ARCH)
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MEMORY
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{
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FLASH (rx) : ORIGIN = CONFIG_FLASH_BASE, LENGTH = CONFIG_FLASH_SIZE
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}
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SECTIONS
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{
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. = ALIGN(CONFIG_FLASH_BANK_SIZE);
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#if defined(NPCX_RO_HEADER)
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/* Replace *_MEM_OFF with *_STORAGE_OFF to indicate flat file contains header
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* or some struture which doesn't belong to FW */
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.image.RO : AT(CONFIG_FLASH_BASE + CONFIG_RO_STORAGE_OFF) {
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#else
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.image.RO : AT(CONFIG_FLASH_BASE + CONFIG_RO_MEM_OFF) {
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#endif
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*(.image.RO)
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} > FLASH =0xff
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. = ALIGN(CONFIG_FLASH_BANK_SIZE);
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#ifdef CONFIG_SHAREDLIB
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.image.libsharedobjs : AT(CONFIG_FLASH_BASE + CONFIG_SHAREDLIB_MEM_OFF) {
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*(.image.libsharedobjs)
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} > FLASH =0xff
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. = ALIGN(CONFIG_FLASH_BANK_SIZE);
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#endif
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#if (CONFIG_RO_MEM_OFF == CONFIG_RW_MEM_OFF)
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/* This is applicable to ECs in which RO and RW execution is
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mapped to the same location but we still have to generate an ec.bin with RO
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and RW images at different Flash offset */
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.image.RW : AT(CONFIG_FLASH_BASE + CONFIG_RO_MEM_OFF + CONFIG_RO_SIZE) {
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#else
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.image.RW : AT(CONFIG_FLASH_BASE + CONFIG_RW_MEM_OFF) {
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#endif
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*(.image.RW)
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} > FLASH =0xff
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.padding : AT(CONFIG_FLASH_BASE + CONFIG_FLASH_SIZE - 1) {
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BYTE(0xff);
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} > FLASH =0xff
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}
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