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/* IBM_PROLOG_BEGIN_TAG */
/* This is an automatically generated prolog. */
/* */
/* $Source: src/build/linkerscripts/linkseeprom.cmd $ */
/* */
/* OpenPOWER sbe Project */
/* */
/* Contributors Listed Below - COPYRIGHT 2015,2017 */
/* [+] International Business Machines Corp. */
/* */
/* */
/* Licensed under the Apache License, Version 2.0 (the "License"); */
/* you may not use this file except in compliance with the License. */
/* You may obtain a copy of the License at */
/* */
/* http://www.apache.org/licenses/LICENSE-2.0 */
/* */
/* Unless required by applicable law or agreed to in writing, software */
/* distributed under the License is distributed on an "AS IS" BASIS, */
/* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or */
/* implied. See the License for the specific language governing */
/* permissions and limitations under the License. */
/* */
/* IBM_PROLOG_END_TAG */
// Need to do this so that elf32-powerpc is not modified!
#undef powerpc
#include "sbe_link.H"
OUTPUT_FORMAT(elf32-powerpc);
#ifndef INITIAL_STACK_SIZE
#define INITIAL_STACK_SIZE 256
#endif
MEMORY
{
pibmem : ORIGIN = SBE_BASE_ORIGIN, LENGTH = SBE_BASE_LENGTH
seeprom : ORIGIN = SBE_SEEPROM_BASE_ORIGIN, LENGTH = 0x40000
}
SECTIONS
{
. = SBE_SEEPROM_BASE_ORIGIN;
_sbe_image_start_addr = . + SIZEOF_HEADERS;
// TODO via RTC 149153
// It seems first section in elf image is 8 byte aligned.
// We need to verify this assumption.
// Get 8 byte alligned address
_sbe_image_start_addr = ( ( _sbe_image_start_addr % 8) == 0 ) ? _sbe_image_start_addr : ( _sbe_image_start_addr + ( 8 - ( _sbe_image_start_addr % 8)));
// Get the image offset after elf header
_sbe_image_start_offset = _sbe_image_start_addr - .;
_seeprom_origin = . - 0;
_pibmem_origin = SBE_BASE_ORIGIN;
////////////////////////////////
// Header
////////////////////////////////
.header : {
_header_origin = .; _header_offset = . - _seeprom_origin; *(.header);
} > seeprom
_header_size = . - _header_origin;
// @TODO via RTC 136215
// We have used allignment 0x200 so that it can be found
// at fixed location. once otprom loader support is enabled.
// alligment will not be required.
////////////////////////////////
// LOADER_TEXT
////////////////////////////////
.loader_text ALIGN(0x200): {
_loader_text_origin = .; _loader_text_offset = . - _seeprom_origin;
*(.loader_text);
} > seeprom
_loader_text_size = . - _loader_text_origin;
// @TODO via RTC 136215
// loader_text section should come after fixed and related
// sections as we want fixed section at knowon offset. Currently we
// have shared SEEPROM start address ( IVPR register value ) with
// multiple teams. So keeping loader_text as first section. Once
// WE have otprom loader support, we will put loader_text at right
// position
////////////////////////////////
// FIXED
////////////////////////////////
.fixed ALIGN(0x200) : {
_fixed_origin = .; _fixed_offset = . - _seeprom_origin;
*(.fixed)
} > seeprom
_fixed_size = . - _fixed_origin;
////////////////////////////////
// text
////////////////////////////////
.text ALIGN(8): {
_text_origin = .; _text_offset = . - _seeprom_origin;
*\libistep2.a:(.text* ) *\libistep3.a:(.text* ) *\libistep4.a:(.text* ) *\libistepmpipl.a:(.text* ) *\libistep5.a:(.text* ) *\libsbefwseeprom.a:(.text* ) } > seeprom
_text_size = . - _text_origin;
////////////////////////////////
// FIXED_TOC
////////////////////////////////
.fixed_toc ALIGN(8) : {
_fixed_toc_origin = .; _fixed_toc_offset = . - _seeprom_origin; *(.fixed_toc);
} > seeprom
_fixed_toc_size = . - _fixed_toc_origin;
////////////////////////////////
// TOC
////////////////////////////////
.toc ALIGN(4): {
_toc_origin = .; _toc_offset = . - _seeprom_origin; *(.toc);
} > seeprom
_toc_size = . - _toc_origin;
////////////////////////////////
// STRING
////////////////////////////////
.strings : {
_strings_origin = .; _strings_offset = . - _seeprom_origin; *(.strings);
} > seeprom
_strings_size = . - _strings_origin;
_seeprom_size = . - _seeprom_origin;
// TODO via RTC 149153
// It seems when we jump across memory region, elf creates 32 byte offset.
// We need to verify this assumption.
_seeprom_size_with_elf_hdr = _seeprom_size + _sbe_image_start_offset;
_seeprom_size = ( ( _seeprom_size_with_elf_hdr % 32) == 0 ) ? _seeprom_size : ( _seeprom_size + ( 32 - (_seeprom_size_with_elf_hdr % 32)));
. = _pibmem_origin;
_base_origin = .;
_base_offset = . - _base_origin + _seeprom_size;
.pkVectors ALIGN(32) : {
*(.vectors)
} > pibmem
.base . : {
*(.text*) *(.eh_frame) *(.dtors*);
} > pibmem
. = ALIGN(8);
_RODATA_SECTION_BASE = .;
// SDA2 constant sections .sdata2 and .sbss2 must be adjacent to each
// other. Our SDATA sections are small so we'll use strictly positive
// offsets.
_SDA2_BASE_ = .;
.sdata2 . : { *(.sdata2*) } > pibmem
.sbss2 . : { *(.sbss2*) } > pibmem
. = ALIGN(8);
.rodata . : {
ctor_start_address = .;
*(.ctors) *(.ctors.*)
ctor_end_address = .;
*(.rodata*) *(.got2);
} > pibmem
_RODATA_SECTION_SIZE = . - _RODATA_SECTION_BASE;
. = ALIGN(8); _DATA_SECTION_BASE = .;
_SDA_BASE_ = .;
.data . : {
*(.data*) *(.comment)
} > pibmem
.sdata . : { *(.sdata*) } > pibmem
. = ALIGN(8);
// We do not want to store bss section in sbe image as laoder will take
// care of it while loading image on PIBMEM. It will save us space in
// SEEPROM. So define XIP image related variables here so that SBE image
// finishes here.
_base_size = . - _base_origin;
_pibmem_size = . - _pibmem_origin;
_sbe_image_size = _seeprom_size + ( . - _pibmem_origin );
_sbss_start = .;
.sbss . : {
*(.bss*) *(.sbss*);
. = ALIGN(8);
} > pibmem
_sbss_end = .;
. = ALIGN(8);
_sbss_size = SIZEOF(.sbss);
. = ALIGN(8);
_PK_INITIAL_STACK_LIMIT = .;
. = . + INITIAL_STACK_SIZE;
_PK_INITIAL_STACK = . - 1;
. = ALIGN(8);
}
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