Files
OpenCellular/core/cortex-m/ec.lds.S
Vincent Palatin 15854fa680 Add FMAP even if VBOOT is not activated
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
2012-05-22 15:04:13 +00:00

144 lines
3.7 KiB
ArmAsm

/* Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "config.h"
#define FW_OFF_(section) CONFIG_FW_##section##_OFF
#define FW_OFF(section) (CONFIG_FLASH_BASE + FW_OFF_(section))
#define FW_SIZE_(section) CONFIG_FW_##section##_SIZE
#define FW_SIZE(section) FW_SIZE_(section)
OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm")
OUTPUT_ARCH(arm)
ENTRY(reset)
MEMORY
{
FLASH (rx) : ORIGIN = FW_OFF(SECTION), LENGTH = FW_SIZE(SECTION)
IRAM (rw) : ORIGIN = CONFIG_RAM_BASE, LENGTH = CONFIG_RAM_SIZE
}
SECTIONS
{
.text : {
OUTDIR/core/CORE/init.o (.text.vecttable)
. = ALIGN(4);
*(.rodata.ver)
. = ALIGN(4);
OUTDIR/core/CORE/init.o (.text)
*(.text*)
#ifdef COMPILE_FOR_RAM
} > IRAM
#else
} > FLASH
#endif
. = ALIGN(4);
.rodata : {
/* Symbols defined here are declared in link_defs.h */
__irqprio = .;
*(.rodata.irqprio)
__irqprio_end = .;
. = ALIGN(4);
__cmds = .;
*(SORT(.rodata.cmds*))
__cmds_end = .;
. = ALIGN(4);
__hcmds = .;
*(.rodata.hcmds)
__hcmds_end = .;
. = ALIGN(4);
__hooks_init = .;
*(.rodata.HOOK_INIT)
__hooks_init_end = .;
__hooks_freq_change = .;
*(.rodata.HOOK_FREQ_CHANGE)
__hooks_freq_change_end = .;
__hooks_sysjump = .;
*(.rodata.HOOK_SYSJUMP)
__hooks_sysjump_end = .;
__hooks_chipset_startup = .;
*(.rodata.HOOK_CHIPSET_STARTUP)
__hooks_chipset_startup_end = .;
__hooks_chipset_resume = .;
*(.rodata.HOOK_CHIPSET_RESUME)
__hooks_chipset_resume_end = .;
__hooks_chipset_suspend = .;
*(.rodata.HOOK_CHIPSET_SUSPEND)
__hooks_chipset_suspend_end = .;
__hooks_chipset_shutdown = .;
*(.rodata.HOOK_CHIPSET_SHUTDOWN)
__hooks_chipset_shutdown_end = .;
__hooks_ac_change = .;
*(.rodata.HOOK_AC_CHANGE)
__hooks_ac_change_end = .;
__hooks_lid_change = .;
*(.rodata.HOOK_LID_CHANGE)
__hooks_lid_change_end = .;
. = ALIGN(4);
*(.rodata*)
#if defined(SECTION_IS_RO) && defined(CONFIG_FLASH)
. = ALIGN(64);
*(.google)
#endif
#ifdef COMPILE_FOR_RAM
} > IRAM
__ro_end = . ;
.data : {
#else
} > FLASH
__ro_end = . ;
.data : AT(ADDR(.rodata) + SIZEOF(.rodata)) {
#endif
. = ALIGN(4);
__data_start = .;
*(.data.tasks)
*(.data)
. = ALIGN(4);
*(.iram.text)
. = ALIGN(4);
__data_end = .;
} > IRAM
/* The linker won't notice if the .data section is too big to fit,
* apparently because we're sending it into IRAM, not FLASH. The following
* symbol isn't used by the code, but running "objdump -t *.elf | grep hey"
* will let us check how much flash space we're actually using. The
* explicit ASSERT afterwards will cause the linker to abort if we use too
* much. */
__hey_flash_used = LOADADDR(.data) + SIZEOF(.data) - FW_OFF(SECTION);
ASSERT(FW_SIZE(SECTION) >
(LOADADDR(.data) + SIZEOF(.data) - FW_OFF(SECTION)),
"No room left in the flash")
#if !(defined(SECTION_IS_RO) && defined(CONFIG_FLASH))
/DISCARD/ : {
*(.google)
}
#endif
.bss : {
. = ALIGN(4);
__bss_start = .;
*(.bss)
. = ALIGN(4);
__bss_end = .;
/* Shared memory buffer must be at the end of preallocated RAM, so it
* can expand to use all the remaining RAM. */
__shared_mem_buf = .;
} > IRAM
/DISCARD/ : { *(.ARM.*) }
}