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/* Copyright (c) 2013 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"
#include "rwsig.h"
#define STRINGIFY0(name) #name
#define STRINGIFY(name) STRINGIFY0(name)
#ifdef RW_B_LDS
#define FW_MEM_OFF_(section) CONFIG_##section##_B_MEM_OFF
#else
#define FW_MEM_OFF_(section) CONFIG_##section##_MEM_OFF
#endif
#define FW_MEM_OFF(section) (FW_MEM_OFF_(section))
#define FW_OFF(section) (CONFIG_PROGRAM_MEMORY_BASE + FW_MEM_OFF(section))
#define FW_SIZE_(section) CONFIG_##section##_SIZE
#define FW_SIZE(section) FW_SIZE_(section)
OUTPUT_FORMAT(BFD_FORMAT, BFD_FORMAT, BFD_FORMAT)
OUTPUT_ARCH(BFD_ARCH)
ENTRY(reset)
MEMORY
{
#if !defined(CONFIG_FLASH_PHYSICAL)
IRAM (rwx) : ORIGIN = CONFIG_RAM_BASE, LENGTH = CONFIG_RAM_SIZE
#else
#if defined(SECTION_IS_RO) && defined(NPCX_RO_HEADER)
/*
* Header structure used by npcx booter in RO region.
* Please notice the location of header must be in front of FW
* which needs copy. But header itself won't be copied to code ram
* by booter.
*/
FLASH_HDR (rx) : ORIGIN = FW_OFF(RO_HDR), LENGTH = FW_SIZE(RO_HDR)
FLASH (rx) : ORIGIN = FW_OFF(SECTION) + FW_SIZE(RO_HDR), \
LENGTH = FW_SIZE(SECTION)
#else
FLASH (rx) : ORIGIN = FW_OFF(SECTION), LENGTH = FW_SIZE(SECTION)
#endif
#ifdef CONFIG_SHAREDLIB
SHARED_LIB (rx) : ORIGIN = FW_OFF(SHAREDLIB), LENGTH = FW_SIZE(SHAREDLIB)
#endif
IRAM (rw) : ORIGIN = CONFIG_RAM_BASE, LENGTH = CONFIG_RAM_SIZE
#endif /* !CONFIG_FLASH_PHYSICAL */
#ifdef CONFIG_EXTERNAL_STORAGE
#ifdef CONFIG_REPLACE_LOADER_WITH_BSS_SLOW
LDR_REGION(rw) : \
ORIGIN = CONFIG_PROGRAM_MEMORY_BASE + CONFIG_LOADER_MEM_OFF, \
LENGTH = CONFIG_LOADER_SIZE
#endif /* defined(CONFIG_REPLACE_LOADER_WITH_BSS_SLOW) */
CDRAM (rx) : \
ORIGIN = CONFIG_PROGRAM_MEMORY_BASE + FW_MEM_OFF(SECTION), \
LENGTH = FW_SIZE(SECTION)
#endif /* CONFIG_EXTERNAL_STORAGE */
#ifdef CONFIG_CHIP_MEMORY_REGIONS
#define REGION(name, attr, start, size) \
name(attr) : ORIGIN = (start), LENGTH = (size)
#include "memory_regions.inc"
#undef REGION
#endif /* CONFIG_MEMORY_REGIONS */
}
SECTIONS
{
#if defined(SECTION_IS_RO) && defined(NPCX_RO_HEADER)
.header : {
KEEP(*(.header))
} > FLASH_HDR
#endif
#ifdef CONFIG_SHAREDLIB
.roshared : {
KEEP(*(.roshared*))
} > SHARED_LIB
#endif
.text : {
#if defined(SECTION_IS_RO) && defined(CONFIG_RO_HEAD_ROOM)
. = . + CONFIG_RO_HEAD_ROOM;
#endif
#if defined(SECTION_IS_RW) && defined(CONFIG_RW_HEAD_ROOM)
. = . + CONFIG_RW_HEAD_ROOM;
#endif
*(.text.vecttable)
. = ALIGN(4);
__image_data_offset = .;
KEEP(*(.rodata.ver))
. = ALIGN(4);
KEEP(*(.rodata.pstate))
. = ALIGN(4);
STRINGIFY(OUTDIR/core/CORE/init.o) (.text)
#if defined(CHIP_FAMILY_NPCX7) && !defined(CONFIG_HIBERNATE_PSL)
/* Keep hibernate utility in last code ram block */
. = ALIGN(4);
KEEP(*(.after_init))
__after_init_end = .;
#endif
*(.text*)
#ifdef CONFIG_EXTERNAL_STORAGE
. = ALIGN(4);
__flash_lpfw_start = .;
/* Entering deep idle FW for better power consumption */
KEEP(*(.lowpower_ram))
. = ALIGN(4);
__flash_lpfw_end = .;
__flash_lplfw_start = .;
/* GDMA utilities for better FW download speed */
KEEP(*(.lowpower_ram2))
. = ALIGN(4);
__flash_lplfw_end = .;
} > CDRAM AT > FLASH
#else
#if !defined(CONFIG_FLASH_PHYSICAL)
} > IRAM
#else
} > FLASH
#endif /* !CONFIG_FLASH_PHYSICAL */
#endif
. = ALIGN(4);
.rodata : {
/* Symbols defined here are declared in link_defs.h */
__irqprio = .;
KEEP(*(.rodata.irqprio))
__irqprio_end = .;
. = ALIGN(4);
__cmds = .;
KEEP(*(SORT(.rodata.cmds*)))
__cmds_end = .;
. = ALIGN(4);
__extension_cmds = .;
KEEP(*(.rodata.extensioncmds))
__extension_cmds_end = .;
. = ALIGN(4);
__hcmds = .;
KEEP(*(SORT(.rodata.hcmds*)))
__hcmds_end = .;
. = ALIGN(4);
__mkbp_evt_srcs = .;
KEEP(*(.rodata.evtsrcs))
__mkbp_evt_srcs_end = .;
. = ALIGN(4);
__hooks_init = .;
KEEP(*(.rodata.HOOK_INIT))
__hooks_init_end = .;
__hooks_pre_freq_change = .;
KEEP(*(.rodata.HOOK_PRE_FREQ_CHANGE))
__hooks_pre_freq_change_end = .;
__hooks_freq_change = .;
KEEP(*(.rodata.HOOK_FREQ_CHANGE))
__hooks_freq_change_end = .;
__hooks_sysjump = .;
KEEP(*(.rodata.HOOK_SYSJUMP))
__hooks_sysjump_end = .;
__hooks_chipset_pre_init = .;
KEEP(*(.rodata.HOOK_CHIPSET_PRE_INIT))
__hooks_chipset_pre_init_end = .;
__hooks_chipset_startup = .;
KEEP(*(.rodata.HOOK_CHIPSET_STARTUP))
__hooks_chipset_startup_end = .;
__hooks_chipset_resume = .;
KEEP(*(.rodata.HOOK_CHIPSET_RESUME))
__hooks_chipset_resume_end = .;
__hooks_chipset_suspend = .;
KEEP(*(.rodata.HOOK_CHIPSET_SUSPEND))
__hooks_chipset_suspend_end = .;
__hooks_chipset_shutdown = .;
KEEP(*(.rodata.HOOK_CHIPSET_SHUTDOWN))
__hooks_chipset_shutdown_end = .;
__hooks_chipset_reset = .;
KEEP(*(.rodata.HOOK_CHIPSET_RESET))
__hooks_chipset_reset_end = .;
__hooks_ac_change = .;
KEEP(*(.rodata.HOOK_AC_CHANGE))
__hooks_ac_change_end = .;
__hooks_lid_change = .;
KEEP(*(.rodata.HOOK_LID_CHANGE))
__hooks_lid_change_end = .;
__hooks_tablet_mode_change = .;
KEEP(*(.rodata.HOOK_TABLET_MODE_CHANGE))
__hooks_tablet_mode_change_end = .;
__hooks_base_attached_change = .;
KEEP(*(.rodata.HOOK_BASE_ATTACHED_CHANGE))
__hooks_base_attached_change_end = .;
__hooks_pwrbtn_change = .;
KEEP(*(.rodata.HOOK_POWER_BUTTON_CHANGE))
__hooks_pwrbtn_change_end = .;
__hooks_battery_soc_change = .;
KEEP(*(.rodata.HOOK_BATTERY_SOC_CHANGE))
__hooks_battery_soc_change_end = .;
#ifdef CONFIG_CASE_CLOSED_DEBUG_V1
__hooks_ccd_change = .;
KEEP(*(.rodata.HOOK_CCD_CHANGE))
__hooks_ccd_change_end = .;
#endif
#ifdef CONFIG_USB_SUSPEND
__hooks_usb_change = .;
KEEP(*(.rodata.HOOK_USB_PM_CHANGE))
__hooks_usb_change_end = .;
#endif
__hooks_tick = .;
KEEP(*(.rodata.HOOK_TICK))
__hooks_tick_end = .;
__hooks_second = .;
KEEP(*(.rodata.HOOK_SECOND))
__hooks_second_end = .;
__hooks_usb_pd_disconnect = .;
KEEP(*(.rodata.HOOK_USB_PD_DISCONNECT))
__hooks_usb_pd_disconnect_end = .;
__deferred_funcs = .;
KEEP(*(.rodata.deferred))
__deferred_funcs_end = .;
__usb_desc = .;
KEEP(*(.rodata.usb_desc_conf))
KEEP(*(SORT(.rodata.usb_desc*)))
__usb_desc_end = .;
. = ALIGN(4);
KEEP(*(.rodata.usb_ep))
KEEP(*(.rodata.usb_ep.usb_ep_tx))
KEEP(*(.rodata.usb_ep.usb_ep_rx))
KEEP(*(.rodata.usb_ep.usb_ep_reset))
KEEP(*(.rodata.usb_ep.usb_iface_request))
. = ALIGN(4);
*(.rodata*)
#if defined(SECTION_IS_RO) && defined(CONFIG_FLASH)
. = ALIGN(64);
KEEP(*(.google))
#endif
. = ALIGN(4);
#if !defined(CONFIG_FLASH_PHYSICAL)
} > IRAM
#elif defined(CONFIG_EXTERNAL_STORAGE)
} > CDRAM AT > FLASH
#else
} > FLASH
#endif
__ro_end = . ;
.bss : {
/*
* Align to 512 bytes. This is convenient when some memory block
* needs big alignment. This is the beginning of the RAM, so there
* is usually no penalty on aligning this.
*/
. = ALIGN(512);
__bss_start = .;
*(.bss.big_align)
/* Stacks must be 64-bit aligned */
. = ALIGN(8);
*(.bss.system_stack)
/* Rest of .bss takes care of its own alignment */
/* Group libtpm2 data so it can be cleared on system reset */
__bss_libtpm2_start = .;
Tpm2_*(.bss)
/* TPM registers should be cleared at the same time */
STRINGIFY(OUTDIR/common/tpm_registers.o*)(.bss)
*(.bss.Tpm2_common)
__bss_libtpm2_end = .;
*(.bss)
/*
* Reserve space for deferred function firing times. Each time is a
* uint64_t, each func is a 32-bit pointer, thus the scaling factor of
* two. The 8 byte alignment of uint64_t is required by the ARM ABI.
*/
. = ALIGN(8);
__deferred_until = .;
. += (__deferred_funcs_end - __deferred_funcs) * (8 / 4);
__deferred_until_end = .;
#ifdef CONFIG_REPLACE_LOADER_WITH_BSS_SLOW
. = ALIGN(4);
__bss_end = .;
#endif /* defined(CONFIG_REPLACE_LOADER_WITH_BSS_SLOW) */
} > IRAM
.bss.slow : {
/* Region of RAM reclaimed from the little firmware(LFW). */
*(.bss.slow)
#ifdef CONFIG_REPLACE_LOADER_WITH_BSS_SLOW
} > LDR_REGION
#else
/*
* Not replacing the loader, so .bss.slow is part of .bss. It needs to
* be followed by __bss_end so that .bss.slow will be zeroed by init.
*/
. = ALIGN(4);
__bss_end = .;
} > IRAM
#endif /* defined(CONFIG_REPLACE_LOADER_WITH_BSS_SLOW) */
#ifdef CONFIG_EXTERNAL_STORAGE
.data : AT(LOADADDR(.rodata) + SIZEOF(.rodata)) {
#else
.data : AT(ADDR(.rodata) + SIZEOF(.rodata)) {
#endif
. = ALIGN(4);
__data_start = .;
*(.data.tasks)
/* Group libtpm2 data so it can be reinitialized on system reset */
__data_libtpm2_start = .;
Tpm2_*(.data)
/* TPM registers should be reinitialized at the same time */
STRINGIFY(OUTDIR/common/tpm_registers.o*)(.data)
__data_libtpm2_end = .;
/*
* TPM reset currently only clears BSS for the TPM library. It does
* not reset any initialized variables in data. So, make sure there
* aren't any.
*/
ASSERT(__data_libtpm2_start == __data_libtpm2_end,
"libtpm2 .data section is nonzero");
*(.data*)
#ifdef CONFIG_MPU
/* It has to be aligned by 32 bytes to be a valid MPU region. */
. = ALIGN(32);
__iram_text_start = .;
#else
. = ALIGN(4);
#endif
*(.iram.text)
#ifdef CONFIG_MPU
. = ALIGN(32);
__iram_text_end = .;
#else
. = ALIGN(4);
#endif
__data_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 = .;
/* NOTHING MAY GO AFTER THIS! */
} > IRAM
ASSERT((__shared_mem_buf + CONFIG_SHAREDMEM_MINIMUM_SIZE) <=
(CONFIG_RAM_BASE + CONFIG_RAM_SIZE),
"Not enough space for shared memory.")
__ram_free = (CONFIG_RAM_BASE + CONFIG_RAM_SIZE) -
(__shared_mem_buf + CONFIG_SHAREDMEM_MINIMUM_SIZE);
/* 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);
#ifdef CONFIG_FLASH_PHYSICAL
ASSERT((FW_SIZE(SECTION)
#if defined(CONFIG_RWSIG) && defined(SECTION_IS_RO)
- CONFIG_RO_PUBKEY_SIZE
#endif
#if defined(CONFIG_RWSIG) && defined(SECTION_IS_RW)
- CONFIG_RW_SIG_SIZE
#endif
) >= (LOADADDR(.data) + SIZEOF(.data) - FW_OFF(SECTION)),
"No room left in the flash")
#endif /* CONFIG_FLASH_PHYSICAL */
#if defined(SECTION_IS_RO) && defined(NPCX_RO_HEADER)
__image_size = __hey_flash_used - FW_SIZE(RO_HDR);
#else
__image_size = __hey_flash_used;
#endif
#ifdef CONFIG_CHIP_MEMORY_REGIONS
#define REGION(name, attr, start, size) \
.name(NOLOAD) : { \
__##name##_start = .; \
*(SORT(.name.*)) \
} > name
#include "memory_regions.inc"
#undef REGION
#endif /* CONFIG_CHIP_MEMORY_REGIONS */
#if !(defined(SECTION_IS_RO) && defined(CONFIG_FLASH))
/DISCARD/ : {
*(.google)
}
#endif
/DISCARD/ : { *(.ARM.*) }
}
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