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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,170 @@ | ||
| /******************************************************************************* | ||
| * Ledger Blue - Secure firmware | ||
| * (c) 2016, 2017, 2018, 2019 Ledger | ||
| * | ||
| * 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. | ||
| ********************************************************************************/ | ||
|
|
||
| /** | ||
| * Global chip memory layout and constants | ||
| * | ||
| */ | ||
|
|
||
| MEMORY | ||
| { | ||
| DISCARD (rwx) : ORIGIN = 0xd0000000, LENGTH = 1M | ||
|
|
||
| FLASH (rx) : ORIGIN = 0xc0d00000, LENGTH = 400K | ||
| SRAM (rwx) : ORIGIN = 0x20001800, LENGTH = 4K | ||
| } | ||
|
|
||
| PAGE_SIZE = 64; | ||
| STACK_SIZE = 768; | ||
| END_STACK = ORIGIN(SRAM) + LENGTH(SRAM); | ||
|
|
||
| SECTIONS | ||
| { | ||
| ENTRY(main) | ||
|
|
||
| /****************************************************************/ | ||
| /* This section locates the code in FLASH */ | ||
| /****************************************************************/ | ||
|
|
||
| /** put text in Flash memory, VMA will be equal to LMA */ | ||
| .text : | ||
| { | ||
| /* provide start code symbol, shall be zero */ | ||
| _text = .; | ||
| _nvram = .; | ||
|
|
||
| PROVIDE(_setjmp = setjmp); /*thanks clang*/ | ||
|
|
||
| /* ensure main is always @ 0xC0D00000 */ | ||
| *(.boot*) | ||
|
|
||
| /* place the other code and rodata defined BUT nvram variables that are displaced in a r/w area */ | ||
| *(.text*) | ||
| *(.rodata) | ||
| *(.rodata.[^N]*) /*.data.rel.ro* not here to detect invalid PIC usage */ | ||
| *(.rodata.N[^_]*) | ||
|
|
||
| . = ALIGN(4); | ||
|
|
||
| /* all code placed */ | ||
| _etext = .; | ||
|
|
||
| . = ALIGN(PAGE_SIZE); | ||
|
|
||
| _nvram_data = .; | ||
|
|
||
| /* NVM data (ex-filesystem) */ | ||
| *(.bss.N_* .rodata.N_*) | ||
|
|
||
| . = ALIGN(PAGE_SIZE); | ||
| _install_parameters = .; | ||
| PROVIDE(N_install_parameters = .); | ||
| _envram = .; | ||
| _nvram_data_size = _envram - _nvram_data; | ||
|
|
||
| } > FLASH = 0x00 | ||
|
|
||
| .data (NOLOAD): | ||
| { | ||
| . = ALIGN(4); | ||
|
|
||
| /** | ||
| * Place RAM initialized variables | ||
| */ | ||
| _data = .; | ||
|
|
||
| *(vtable) | ||
| *(.data*) | ||
|
|
||
| _edata = .; | ||
|
|
||
| } > DISCARD /*> SRAM AT>FLASH = 0x00 */ | ||
|
|
||
| .bss : | ||
| { | ||
| /** | ||
| * Place RAM uninitialized variables | ||
| */ | ||
| _bss = .; | ||
| *(.bss*) | ||
| _ebss = .; | ||
|
|
||
|
|
||
| /** | ||
| * Reserve stack size | ||
| */ | ||
| . = ALIGN(4); | ||
| app_stack_canary = .; | ||
| PROVIDE(app_stack_canary = .); | ||
| . += 4; | ||
| _stack_validation = .; | ||
| . = _stack_validation + STACK_SIZE; | ||
| _stack = ABSOLUTE(END_STACK) - STACK_SIZE; | ||
| PROVIDE( _stack = ABSOLUTE(END_STACK) - STACK_SIZE); | ||
| _estack = ABSOLUTE(END_STACK); | ||
| PROVIDE( _estack = ABSOLUTE(END_STACK) ); | ||
|
|
||
| } > SRAM = 0x00 | ||
|
|
||
| /****************************************************************/ | ||
| /* DEBUG */ | ||
| /****************************************************************/ | ||
|
|
||
| /* remove the debugging information from the standard libraries */ | ||
| DEBUG (NOLOAD) : | ||
| { | ||
| libc.a ( * ) | ||
| libm.a ( * ) | ||
| libgcc.a ( * ) | ||
| *(.ARM.exidx* .gnu.linkonce.armexidx.*) | ||
| } | ||
|
|
||
| /* Stabs debugging sections. */ | ||
| .stab 0 : { *(.stab) } | ||
| .stabstr 0 : { *(.stabstr) } | ||
| .stab.excl 0 : { *(.stab.excl) } | ||
| .stab.exclstr 0 : { *(.stab.exclstr) } | ||
| .stab.index 0 : { *(.stab.index) } | ||
| .stab.indexstr 0 : { *(.stab.indexstr) } | ||
| .comment 0 : { *(.comment) } | ||
| /* DWARF debug sections. | ||
| Symbols in the DWARF debugging sections are relative to the beginning | ||
| of the section so we begin them at 0. */ | ||
| /* DWARF 1 */ | ||
| .debug 0 : { *(.debug) } | ||
| .line 0 : { *(.line) } | ||
| /* GNU DWARF 1 extensions */ | ||
| .debug_srcinfo 0 : { *(.debug_srcinfo) } | ||
| .debug_sfnames 0 : { *(.debug_sfnames) } | ||
| /* DWARF 1.1 and DWARF 2 */ | ||
| .debug_aranges 0 : { *(.debug_aranges) } | ||
| .debug_pubnames 0 : { *(.debug_pubnames) } | ||
| /* DWARF 2 */ | ||
| .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } | ||
| .debug_abbrev 0 : { *(.debug_abbrev) } | ||
| .debug_line 0 : { *(.debug_line) } | ||
| .debug_frame 0 : { *(.debug_frame) } | ||
| .debug_str 0 : { *(.debug_str) } | ||
| .debug_loc 0 : { *(.debug_loc) } | ||
| .debug_macinfo 0 : { *(.debug_macinfo) } | ||
| /* SGI/MIPS DWARF 2 extensions */ | ||
| .debug_weaknames 0 : { *(.debug_weaknames) } | ||
| .debug_funcnames 0 : { *(.debug_funcnames) } | ||
| .debug_typenames 0 : { *(.debug_typenames) } | ||
| .debug_varnames 0 : { *(.debug_varnames) } | ||
|
|
||
| } |
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