diff options
Diffstat (limited to 'core/cortex-m/ec.lds.S')
| -rw-r--r-- | core/cortex-m/ec.lds.S | 721 |
1 files changed, 0 insertions, 721 deletions
diff --git a/core/cortex-m/ec.lds.S b/core/cortex-m/ec.lds.S deleted file mode 100644 index 7b08be81a6..0000000000 --- a/core/cortex-m/ec.lds.S +++ /dev/null @@ -1,721 +0,0 @@ -/* Copyright 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 CONCAT_STAGE_1(w, x, y, z) w ## x ## y ## z -#define CONCAT2(w, x) CONCAT_STAGE_1(w, x, , ) -#define CONCAT3(w, x, y) CONCAT_STAGE_1(w, x, y, ) -#define CONCAT4(w, x, y, z) CONCAT_STAGE_1(w, x, y, z) - -#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) - -/* - * Define the VMA (virtual memory address) of the ROM_RESIDENT region within - * the EC image. This is full 32-bit address starting from - * CONFIG_PROGRAM_MEMORY_BASE. - */ -#define ROM_RES_OFF(section) FW_OFF(CONCAT2(section, _ROM_RESIDENT)) -#define ROM_RES_SIZE(section) FW_SIZE(CONCAT2(section, _ROM_RESIDENT)) - -/* - * Define the VMA (virtual memory address) of the ROM_RESIDENT region. Instead - * of a full 32-bit address, set the VMA to be an offset within the flash memory - * section. Objects linked into this section can pass the address of the - * object unmodified to the public APIs of the flash and init_rom modules. - */ -#ifdef SECTION_IS_RO -#define ROM_RES_FLASH_OFF(section) \ - FW_MEM_OFF(CONCAT2(section, _ROM_RESIDENT)) + \ - CONFIG_EC_PROTECTED_STORAGE_OFF -#else -#define ROM_RES_FLASH_OFF(section) \ - FW_MEM_OFF(CONCAT2(section, _ROM_RESIDENT)) + \ - CONFIG_EC_WRITABLE_STORAGE_OFF -#endif - -/* Indicates where .data LMA should reside. */ -#undef DATA_LMA_MEM_REGION - -OUTPUT_FORMAT(BFD_FORMAT, BFD_FORMAT, BFD_FORMAT) -OUTPUT_ARCH(BFD_ARCH) -ENTRY(reset) - -MEMORY -{ -#if !defined(CONFIG_FLASH_PHYSICAL) - IROM (rx) : ORIGIN = CONFIG_ROM_BASE, LENGTH = CONFIG_ROM_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) - FW_SIZE(RO_HDR) -#else - FLASH (rx) : ORIGIN = FW_OFF(SECTION), LENGTH = FW_SIZE(SECTION) -#endif -#ifdef CONFIG_CHIP_INIT_ROM_REGION - ROM_RESIDENT (r) : \ - ORIGIN = ROM_RES_OFF(SECTION), \ - LENGTH = ROM_RES_SIZE(SECTION) - - ROM_RESIDENT_VMA (r) : \ - ORIGIN = ROM_RES_FLASH_OFF(SECTION), \ - LENGTH = ROM_RES_SIZE(SECTION) -#endif /* CONFIG_CHIP_INIT_ROM_REGION */ -#ifdef CONFIG_SHAREDLIB - SHARED_LIB (rx) : ORIGIN = FW_OFF(SHAREDLIB), \ - LENGTH = FW_SIZE(SHAREDLIB) -#endif -#endif /* !CONFIG_FLASH_PHYSICAL */ - IRAM (rw) : ORIGIN = CONFIG_RAM_BASE, LENGTH = CONFIG_RAM_SIZE - -#ifdef CONFIG_EXTERNAL_STORAGE - 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) -#define REGION_LOAD REGION -#include "memory_regions.inc" -#undef REGION -#undef REGION_LOAD -#endif /* CONFIG_MEMORY_REGIONS */ - -#ifdef CONFIG_DRAM_BASE - DRAM (rwx) : ORIGIN = CONFIG_DRAM_BASE, LENGTH = CONFIG_DRAM_SIZE -#endif -} - -/* - * Convenience macros for determining the correct output memory section. - */ -#if !defined(CONFIG_FLASH_PHYSICAL) - #define EC_IMAGE_LMA_MEM_REGION IROM - #define EC_IMAGE_VMA_MEM_REGION IROM - #define DATA_LMA_MEM_REGION IROM -#else - #define EC_IMAGE_LMA_MEM_REGION FLASH - #ifdef CONFIG_EXTERNAL_STORAGE - #define EC_IMAGE_VMA_MEM_REGION CDRAM - #else - #define EC_IMAGE_VMA_MEM_REGION FLASH - #endif - - #ifdef CONFIG_CHIP_DATA_IN_INIT_ROM - #define DATA_LMA_MEM_REGION ROM_RESIDENT - #else - #define DATA_LMA_MEM_REGION FLASH - #endif -#endif - -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 : { -#ifdef SECTION_IS_RO - . = . + CONFIG_RO_HEAD_ROOM; -#endif -#ifdef SECTION_IS_RW - . = . + 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 NPCX_FAMILY_VERSION >= NPCX_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 = .; -#endif /* CONFIG_EXTERNAL_STORAGE */ - } > EC_IMAGE_VMA_MEM_REGION AT > EC_IMAGE_LMA_MEM_REGION - - . = 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 = .; - -#ifdef CONFIG_CHIPSET_RESUME_INIT_HOOK - __hooks_chipset_resume_init = .; - KEEP(*(.rodata.HOOK_CHIPSET_RESUME_INIT)) - __hooks_chipset_resume_init_end = .; - - __hooks_chipset_suspend_complete = .; - KEEP(*(.rodata.HOOK_CHIPSET_SUSPEND_COMPLETE)) - __hooks_chipset_suspend_complete_end = .; -#endif - - __hooks_chipset_shutdown = .; - KEEP(*(.rodata.HOOK_CHIPSET_SHUTDOWN)) - __hooks_chipset_shutdown_end = .; - - __hooks_chipset_shutdown_complete = .; - KEEP(*(.rodata.HOOK_CHIPSET_SHUTDOWN_COMPLETE)) - __hooks_chipset_shutdown_complete_end = .; - - __hooks_chipset_hard_off = .; - KEEP(*(.rodata.HOOK_CHIPSET_HARD_OFF)) - __hooks_chipset_hard_off_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_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 = .; - - __hooks_usb_pd_connect = .; - KEEP(*(.rodata.HOOK_USB_PD_CONNECT)) - __hooks_usb_pd_connect_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*) - -#ifndef CONFIG_CHIP_INIT_ROM_REGION - /* - * When a separate ROM resident section isn't enabled, ensure - * the corresponding data objects are linked into the .rodata - * section. - */ - . = ALIGN(4); - __init_rom_start = .; - *(.init.rom) - __init_rom_end = .; -#endif /* CONFIG_CHIP_INIT_ROM_REGION */ - -#if defined(SECTION_IS_RO) && defined(CONFIG_FLASH_CROS) - . = ALIGN(64); - KEEP(*(.google)) -#endif - - . = ALIGN(4); - } > EC_IMAGE_VMA_MEM_REGION AT > EC_IMAGE_LMA_MEM_REGION - -#ifdef CONFIG_CHIP_DATA_IN_INIT_ROM - __data_lma_start = ORIGIN(ROM_RESIDENT_VMA); - #define INIT_ROM_LMA (ORIGIN(ROM_RESIDENT_VMA) + SIZEOF(.data)) -#else - __data_lma_start = .; - #define INIT_ROM_LMA ORIGIN(ROM_RESIDENT_VMA) -#endif - -#ifdef CONFIG_PRESERVE_LOGS - .preserve_logs(NOLOAD) : { - . = ALIGN(8); - *(SORT(.preserved_logs.*)) - . = ALIGN(8); - __preserved_logs_end = .; - } > IRAM - - ASSERT((SIZEOF(.preserve_logs) + CONFIG_RAM_BASE) == - __preserved_logs_end, - "preserve_logs must be at CONFIG_RAM_BASE.") -#endif - - .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 = .; - /* 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 = .; - } > IRAM - - .bss.slow : { - /* Region of RAM reclaimed from the little firmware(LFW). */ - *(.bss.slow) - /* - * 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 - - .data : { - . = 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 AT > DATA_LMA_MEM_REGION - - 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); - -#ifdef CONFIG_CHIP_DATA_IN_INIT_ROM - /* - * .data is ROM resident, last section in the EC image is the .rodata - * section. - */ - #define FLASH_USED_END (LOADADDR(.rodata) + SIZEOF(.rodata)) -#else - /* - * .data is included in the EC image and copied to RAM by the loader. - */ - #define FLASH_USED_END (LOADADDR(.data) + SIZEOF(.data)) -#endif - - /* - * __flash_used is used in flash free calculations by the makefile. - * __image_size is stored in the struct image_data header and used - * in hash calcuations. - */ - __flash_used = FLASH_USED_END - ORIGIN(EC_IMAGE_LMA_MEM_REGION); -#ifndef CONFIG_CHIP_INIT_ROM_REGION -#if !(defined(SECTION_IS_RW) && (CONFIG_FLASH_WRITE_SIZE > 4)) - __image_size = __flash_used; -#else - .rw_image_size_alignment : - { - . = ORIGIN(FLASH) + __flash_used; - BYTE(0xFF); - . = ALIGN (CONFIG_FLASH_WRITE_SIZE); - } > FLASH = 0xFF - - __image_size = __flash_used + SIZEOF(.rw_image_size_alignment); -#endif -#endif /* CONFIG_CHIP_INIT_ROM_REGION */ - -#ifdef CONFIG_FLASH_CROS - /* - * These linker labels are just for analysis and not used in the code. - */ - __config_flash_size = CONFIG_FLASH_SIZE_BYTES; - __config_ro_size = CONFIG_RO_SIZE; - __config_ec_protected_storage_size = CONFIG_EC_PROTECTED_STORAGE_SIZE; - __config_rw_size = CONFIG_RW_SIZE; - __config_ec_writable_storage_size = CONFIG_EC_WRITABLE_STORAGE_SIZE; -#endif - - /* - * The linker won't notice if the .data section is too big to fit, - * apparently because we're sending it into IRAM, not FLASH. - * Verify that all sections linked into the FLASH region will fit. - */ - ASSERT((LENGTH(EC_IMAGE_LMA_MEM_REGION) -#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 - ) >= __flash_used, - "No room left in the flash") - -#ifdef CONFIG_CHIP_INIT_ROM_REGION - /* - * Image layout when ROM_RESIDENT region is used (lower addresses - * at the top). This layout is setup by the LMA assignment. - * - * EC image layout (LMA) VMA - * .header (if RO image) none - * .text code RAM - * .rodata code RAM + .text size - * .data data RAM - * .fill none - * .init_rom flash offset - * - * The loader code copies the .text, .rodata, and .data sections into - * the code RAM of the EC. The .header and .init_rom sections are not - * copied by the loader. - * - * Image layout when ROM_RESIDENT region is used, and - * CONFIG_CHIP_DATA_IN_INIT_ROM is enabled. - * - * EC image layout (LMA) VMA - * .header (if RO image) none - * .text code RAM - * .rodata code RAM + .text size - * .fill none - * .data data RAM - * .init_rom flash offset - * - * The loader code copies the .text and .rodata sections into the code - * RAM of the EC. The .header, .data, and .init_rom sections are not - * copied by the loader. - * - * EC initialization code copies the .data directly from flash to - * data RAM at runtime. - */ - - /* - * The layout assumes the ROM_RESIDENT region follows the FLASH - * region. - */ - ASSERT((ORIGIN(FLASH) + LENGTH(FLASH)) == ORIGIN(ROM_RESIDENT), - ".init_rom section must follow the flash section") - - .init_rom INIT_ROM_LMA : { - . = ALIGN(4); - __init_rom_start = .; - *(.init.rom) - __init_rom_end = .; - } > ROM_RESIDENT_VMA AT > ROM_RESIDENT - - /* - * The ROM_RESIDENT section is assumed to be in the same physical - * flash as the FLASH section. Fill the space between. - */ - .fill : { - . = FLASH_USED_END; - . = ALIGN(4); - __fill_start = .; - FILL(0xFF); - . = ORIGIN(FLASH) + LENGTH(FLASH) - 1; - /* Need at least one byte so section is not omitted */ - BYTE(0xFF); - __fill_end = .; - } > FLASH - - /* - * The end of the .fill region should also be the start of the ROM - * resident region. - */ - ASSERT(__fill_end == ORIGIN(ROM_RESIDENT), - ".fill region end not aligned to start of ROM_RESIDENT region") - - /* - * __image_size is used for hash calculation. When - * CONFIG_CHIP_INIT_ROM_REGION is enabled, this includes the entire - * FLASH region and the bytes used in the .init_rom section. - */ -#ifdef CONFIG_CHIP_DATA_IN_INIT_ROM - __image_size = LENGTH(FLASH) + SIZEOF(.init_rom) + SIZEOF(.data); -#else - __image_size = LENGTH(FLASH) + SIZEOF(.init_rom); -#endif /* CONFIG_CHIP_DATA_IN_INIT_ROM */ -#endif /* CONFIG_CHIP_INIT_ROM_REGION */ - -#ifdef CONFIG_CHIP_MEMORY_REGIONS -#define REGION(name, attr, start, size) \ - .name(NOLOAD) : { \ - __##name##_start = .; \ - KEEP(*(SORT(.name.keep.*))) \ - *(SORT(.name.*)) \ - } > name -#define REGION_LOAD(name, attr, start, size) \ - .name : { \ - __##name##_start = .; \ - KEEP(*(SORT(.name.keep.*))) \ - *(SORT(.name.*)) \ - } > name -#include "memory_regions.inc" -#undef REGION -#undef REGION_LOAD -#endif /* CONFIG_CHIP_MEMORY_REGIONS */ - -#ifdef CONFIG_DRAM_BASE - - /* - * Sections in DRAM region are constructed as like in non-DRAM regions: - * .dram.data LMA is for preserving initialized data across resets. - * The only difference is that they are all in the DRAM region: - * .dram.text | LOAD - * .dram.rodata | LOAD - * .dram.data LMA | LOAD - * .dram.data VMA | - * .dram.bss | NOLOAD - * TODO(b:123269246): Enable MPU protectable DRAM section. This might - * introduce a RO-DRAM section for .dram.text, .dram.rodata and - * .dram.data LMA. - */ - - .dram.text : { - . = ALIGN(4); - KEEP(*(SORT(.dram.text.keep.*))) - *(SORT(.dram.text.*)) - . = ALIGN(4); - } > DRAM - - .dram.rodata : { - . = ALIGN(4); - KEEP(*(SORT(.dram.rodata.keep.*))) - *(SORT(.dram.rodata.*)) - . = ALIGN(4); - } > DRAM - - __dram_data_lma_start = ADDR(.dram.rodata) + SIZEOF(.dram.rodata); - - /* Place .dram.data LMA in between .dram.rodata and .dram.data VMA. */ -#ifdef __clang__ - /* - * The evaluation timing for SIZEOF() and symbols are different in - * ld and lld. - */ - .dram.data __dram_data_lma_start + SIZEOF(.dram.data) : { -#else - .dram.data __dram_data_lma_start + - (__dram_data_end - __dram_data_start) : { -#endif /* __clang__ */ - . = ALIGN(4); - __dram_data_start = .; - *(.dram.data*) - . = ALIGN(4); - __dram_data_end = .; - - /* - * Normally, '> DRAM AT > DRAM' should be the same as '> DRAM', - * and they will be at the same address. However, if the address - * of VMA specified, LMA and VMA might have different addresses: - * '> DRAM' places VMA at the address where section declaration - * specified. - * 'AT > DRAM' places LMA at the location counter's address. - */ - } > DRAM AT > DRAM - - /* - * ld assigns correct attribute for .bss, but not for other .*.bss, - * we need an explicltly NOLOAD. - */ - .dram.bss(NOLOAD) : { - . = ALIGN(4); - __dram_bss_start = .; - *(SORT(.dram.bss*)) - . = ALIGN(4); - __dram_bss_end = .; - } > DRAM -#endif - -#if !(defined(SECTION_IS_RO) && defined(CONFIG_FLASH_CROS)) - /DISCARD/ : { *(.google) } -#endif - /DISCARD/ : { *(.ARM.*) } -} |