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Diffstat (limited to 'src/build/linkerscripts/power/linkseeprom.cmd')
| -rw-r--r-- | src/build/linkerscripts/power/linkseeprom.cmd | 203 |
1 files changed, 203 insertions, 0 deletions
diff --git a/src/build/linkerscripts/power/linkseeprom.cmd b/src/build/linkerscripts/power/linkseeprom.cmd new file mode 100644 index 00000000..77224a69 --- /dev/null +++ b/src/build/linkerscripts/power/linkseeprom.cmd @@ -0,0 +1,203 @@ +/* IBM_PROLOG_BEGIN_TAG */ +/* This is an automatically generated prolog. */ +/* */ +/* $Source: src/build/linkerscripts/power/linkseeprom.cmd $ */ +/* */ +/* OpenPOWER sbe Project */ +/* */ +/* Contributors Listed Below - COPYRIGHT 2015,2018 */ +/* */ +/* */ +/* 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* ) *\libsbecoreseeprom.a:(.text* ) *\libsbeapppowerseeprom.a:(.text* ) *\libsbeappcommonseeprom.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); + +} |
