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This simplifies the re-flashing for stm32 based platforms. Signed-off-by: Vincent Palatin <vpalatin@chromium.org> BUG=chrome-os-partner:8865 TEST=On Daisy, flashrom -p internal:bus=lpc -w ec.bin Change-Id: I66860383c34110b1edf852929c244a2b682bc105
144 lines
3.7 KiB
ArmAsm
144 lines
3.7 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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#define FW_OFF_(section) CONFIG_FW_##section##_OFF
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#define FW_OFF(section) (CONFIG_FLASH_BASE + FW_OFF_(section))
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#define FW_SIZE_(section) CONFIG_FW_##section##_SIZE
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#define FW_SIZE(section) FW_SIZE_(section)
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OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
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OUTPUT_ARCH(arm)
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ENTRY(reset)
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MEMORY
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{
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FLASH (rx) : ORIGIN = FW_OFF(SECTION), LENGTH = FW_SIZE(SECTION)
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IRAM (rw) : ORIGIN = CONFIG_RAM_BASE, LENGTH = CONFIG_RAM_SIZE
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}
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SECTIONS
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{
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.text : {
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OUTDIR/core/CORE/init.o (.text.vecttable)
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. = ALIGN(4);
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*(.rodata.ver)
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. = ALIGN(4);
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OUTDIR/core/CORE/init.o (.text)
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*(.text*)
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#ifdef COMPILE_FOR_RAM
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} > IRAM
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#else
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} > FLASH
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#endif
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. = ALIGN(4);
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.rodata : {
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/* Symbols defined here are declared in link_defs.h */
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__irqprio = .;
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*(.rodata.irqprio)
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__irqprio_end = .;
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. = ALIGN(4);
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__cmds = .;
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*(SORT(.rodata.cmds*))
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__cmds_end = .;
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. = ALIGN(4);
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__hcmds = .;
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*(.rodata.hcmds)
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__hcmds_end = .;
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. = ALIGN(4);
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__hooks_init = .;
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*(.rodata.HOOK_INIT)
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__hooks_init_end = .;
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__hooks_freq_change = .;
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*(.rodata.HOOK_FREQ_CHANGE)
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__hooks_freq_change_end = .;
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__hooks_sysjump = .;
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*(.rodata.HOOK_SYSJUMP)
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__hooks_sysjump_end = .;
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__hooks_chipset_startup = .;
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*(.rodata.HOOK_CHIPSET_STARTUP)
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__hooks_chipset_startup_end = .;
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__hooks_chipset_resume = .;
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*(.rodata.HOOK_CHIPSET_RESUME)
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__hooks_chipset_resume_end = .;
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__hooks_chipset_suspend = .;
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*(.rodata.HOOK_CHIPSET_SUSPEND)
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__hooks_chipset_suspend_end = .;
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__hooks_chipset_shutdown = .;
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*(.rodata.HOOK_CHIPSET_SHUTDOWN)
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__hooks_chipset_shutdown_end = .;
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__hooks_ac_change = .;
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*(.rodata.HOOK_AC_CHANGE)
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__hooks_ac_change_end = .;
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__hooks_lid_change = .;
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*(.rodata.HOOK_LID_CHANGE)
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__hooks_lid_change_end = .;
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. = ALIGN(4);
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*(.rodata*)
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#if defined(SECTION_IS_RO) && defined(CONFIG_FLASH)
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. = ALIGN(64);
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*(.google)
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#endif
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#ifdef COMPILE_FOR_RAM
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} > IRAM
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__ro_end = . ;
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.data : {
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#else
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} > FLASH
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__ro_end = . ;
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.data : AT(ADDR(.rodata) + SIZEOF(.rodata)) {
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#endif
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. = ALIGN(4);
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__data_start = .;
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*(.data.tasks)
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*(.data)
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. = ALIGN(4);
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*(.iram.text)
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. = ALIGN(4);
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__data_end = .;
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} > IRAM
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/* The linker won't notice if the .data section is too big to fit,
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* apparently because we're sending it into IRAM, not FLASH. The following
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* symbol isn't used by the code, but running "objdump -t *.elf | grep hey"
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* will let us check how much flash space we're actually using. The
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* explicit ASSERT afterwards will cause the linker to abort if we use too
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* much. */
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__hey_flash_used = LOADADDR(.data) + SIZEOF(.data) - FW_OFF(SECTION);
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ASSERT(FW_SIZE(SECTION) >
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(LOADADDR(.data) + SIZEOF(.data) - FW_OFF(SECTION)),
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"No room left in the flash")
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#if !(defined(SECTION_IS_RO) && defined(CONFIG_FLASH))
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/DISCARD/ : {
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*(.google)
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}
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#endif
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.bss : {
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. = ALIGN(4);
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__bss_start = .;
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*(.bss)
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. = ALIGN(4);
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__bss_end = .;
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/* Shared memory buffer must be at the end of preallocated RAM, so it
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* can expand to use all the remaining RAM. */
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__shared_mem_buf = .;
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} > IRAM
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/DISCARD/ : { *(.ARM.*) }
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}
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