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168 lines
4.5 KiB
Plaintext
168 lines
4.5 KiB
Plaintext
/*******************************************************************************
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* Ledger Blue - Secure firmware
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* (c) 2016, 2017 Ledger
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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********************************************************************************/
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/**
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* Global chip memory layout and constants
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*
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*/
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MEMORY
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{
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DISCARD (rwx) : ORIGIN = 0xd0000000, LENGTH = 1M
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FLASH (rx) : ORIGIN = 0xc0d00000, LENGTH = 400K
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SRAM (rwx) : ORIGIN = 0x20001800, LENGTH = 4K
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}
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PAGE_SIZE = 64;
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STACK_SIZE = 768;
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END_STACK = ORIGIN(SRAM) + LENGTH(SRAM);
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SECTIONS
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{
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ENTRY(main)
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/****************************************************************/
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/* This section locates the code in FLASH */
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/****************************************************************/
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/** put text in Flash memory, VMA will be equal to LMA */
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.text :
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{
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/* provide start code symbol, shall be zero */
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_text = .;
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_nvram = .;
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PROVIDE(_setjmp = setjmp); /*thanks clang*/
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/* ensure main is always @ 0xC0D00000 */
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*(.boot*)
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/* place the other code and rodata defined BUT nvram variables that are displaced in a r/w area */
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*(.text*)
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*(.rodata.[^UN]*) /*.data.rel.ro* not here to detect invalid PIC usage */
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*(.rodata.N[^_]*)
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. = ALIGN(4);
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/* all code placed */
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_etext = .;
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. = ALIGN(PAGE_SIZE);
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_nvram_data = .;
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/* NVM data (ex-filesystem) */
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*(.rodata.USBD_CfgDesc)
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*(.bss.N_* .rodata.N_* .rodata.USBD_CfgDesc)
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. = ALIGN(PAGE_SIZE);
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_install_parameters = .;
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PROVIDE(N_install_parameters = .);
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_envram = .;
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_nvram_data_size = _envram - _nvram_data;
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} > FLASH = 0x00
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.data (NOLOAD):
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{
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. = ALIGN(4);
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/**
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* Place RAM initialized variables
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*/
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_data = .;
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*(vtable)
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*(.data*)
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_edata = .;
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} > DISCARD /*> SRAM AT>FLASH = 0x00 */
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.bss :
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{
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/**
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* Place RAM uninitialized variables
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*/
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_bss = .;
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*(.bss*)
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_ebss = .;
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/**
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* Reserve stack size
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*/
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. = ALIGN(4);
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app_stack_canary = .;
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PROVIDE(app_stack_canary = .);
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. += 4;
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_stack = .;
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. = _stack + STACK_SIZE;
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PROVIDE( _stack_size = STACK_SIZE );
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PROVIDE( _estack = ABSOLUTE(END_STACK) );
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} > SRAM = 0x00
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/****************************************************************/
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/* DEBUG */
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/****************************************************************/
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/* remove the debugging information from the standard libraries */
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DEBUG (NOLOAD) :
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{
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libc.a ( * )
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libm.a ( * )
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libgcc.a ( * )
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*(.ARM.exidx* .gnu.linkonce.armexidx.*)
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}
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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}
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