| /* |
| * Copyright (c) 2013-2014 Wind River Systems, Inc. |
| * Copyright (c) 2021 Intel Corporation |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include <zephyr/devicetree.h> |
| #include <zephyr/offsets.h> |
| #include <zephyr/linker/linker-defs.h> |
| #include <zephyr/linker/linker-tool.h> |
| #include <zephyr/sys/util.h> |
| #include <zephyr/kernel/mm.h> |
| |
| |
| /* Bounds of physical RAM from DTS */ |
| #define PHYS_RAM_ADDR DT_REG_ADDR(DT_CHOSEN(zephyr_sram)) |
| #define PHYS_RAM_SIZE DT_REG_SIZE(DT_CHOSEN(zephyr_sram)) |
| |
| /* Bounds of flash from DTS */ |
| #define FLASH_ROM_ADDR DT_REG_ADDR(DT_CHOSEN(zephyr_flash)) |
| #define FLASH_ROM_SIZE DT_REG_SIZE(DT_CHOSEN(zephyr_flash)) |
| |
| /* Virtual base address for the kernel; with CONFIG_MMU this is not necessarily |
| * the same as its physical location, although an identity mapping for RAM |
| * is still supported by setting CONFIG_KERNEL_VM_BASE=CONFIG_SRAM_BASE_ADDRESS. |
| */ |
| #ifdef K_MEM_IS_VM_KERNEL |
| |
| #define KERNEL_BASE_ADDR \ |
| (CONFIG_KERNEL_VM_BASE + CONFIG_KERNEL_VM_OFFSET) |
| |
| #define KERNEL_RAM_SIZE \ |
| (CONFIG_KERNEL_VM_SIZE - CONFIG_KERNEL_VM_OFFSET) |
| |
| #define PHYS_RAM_AVAIL \ |
| (PHYS_RAM_SIZE - CONFIG_SRAM_OFFSET) |
| |
| #else |
| |
| #define KERNEL_BASE_ADDR (PHYS_RAM_ADDR + CONFIG_SRAM_OFFSET) |
| #define KERNEL_RAM_SIZE (PHYS_RAM_SIZE - CONFIG_SRAM_OFFSET) |
| |
| #endif |
| |
| /* "kernel RAM" for linker VMA allocations starts at the offset */ |
| |
| /* Physical RAM location where the kernel image is loaded */ |
| #define PHYS_LOAD_ADDR (PHYS_RAM_ADDR + CONFIG_SRAM_OFFSET) |
| |
| #ifdef CONFIG_USERSPACE |
| #define SMEM_PARTITION_ALIGN(size) MMU_PAGE_ALIGN_PERM |
| #define APP_SHARED_ALIGN MMU_PAGE_ALIGN_PERM |
| #endif |
| |
| MEMORY |
| { |
| #if defined(K_MEM_IS_VM_KERNEL) |
| ROM (rx) : ORIGIN = PHYS_LOAD_ADDR, LENGTH = PHYS_RAM_AVAIL |
| #endif |
| RAM (wx) : ORIGIN = KERNEL_BASE_ADDR, LENGTH = KERNEL_RAM_SIZE |
| |
| #if defined(CONFIG_DEMAND_PAGING) && !defined(CONFIG_LINKER_GENERIC_SECTIONS_PRESENT_AT_BOOT) |
| FLASH (rw) : ORIGIN = FLASH_ROM_ADDR, LENGTH = FLASH_ROM_SIZE |
| #endif |
| |
| /* |
| * On 32-bit x86, fake memory area for build-time IDT generation data. |
| * |
| * It doesn't matter where this region goes as it is stripped from the |
| * final ELF image. The address doesn't even have to be valid on the |
| * target. However, it shouldn't overlap any other regions. |
| */ |
| |
| IDT_LIST : ORIGIN = 0xFFFF1000, LENGTH = 2K |
| } |
| |
| #if defined(K_MEM_IS_VM_KERNEL) |
| #define ROMABLE_REGION ROM |
| #define RAMABLE_REGION RAM |
| #else |
| #define ROMABLE_REGION RAM |
| #define RAMABLE_REGION RAM |
| #endif |
| |
| #ifdef CONFIG_MMU |
| #define MMU_PAGE_ALIGN . = ALIGN(CONFIG_MMU_PAGE_SIZE); |
| #else |
| #define MMU_PAGE_ALIGN |
| #endif |
| |
| #if defined(CONFIG_DEMAND_PAGING) && !defined(CONFIG_LINKER_GENERIC_SECTIONS_PRESENT_AT_BOOT) |
| |
| #undef SECTION_PROLOGUE |
| #define SECTION_PROLOGUE(name, options, align) \ |
| name options : ALIGN_WITH_INPUT align |
| |
| #undef SECTION_DATA_PROLOGUE |
| #define SECTION_DATA_PROLOGUE(name, options, align) \ |
| name options : ALIGN_WITH_INPUT align |
| |
| #undef GROUP_ROM_LINK_IN |
| #define GROUP_ROM_LINK_IN(vregion, lregion) > vregion AT > lregion |
| |
| #undef GROUP_DATA_LINK_IN |
| #define GROUP_DATA_LINK_IN(vregion, lregion) > vregion AT > lregion |
| |
| #undef GROUP_NOLOAD_LINK_IN |
| #define GROUP_NOLOAD_LINK_IN(vregion, lregion) > vregion AT > lregion |
| |
| #endif |
| |
| /* Used to align areas with separate memory permission characteristics |
| * so that the page permissions can be set in the MMU. Without this, |
| * the kernel is just one blob with the same RWX permissions on all RAM |
| */ |
| #ifdef CONFIG_SRAM_REGION_PERMISSIONS |
| #define MMU_PAGE_ALIGN_PERM MMU_PAGE_ALIGN |
| #else |
| #define MMU_PAGE_ALIGN_PERM |
| #endif |
| |
| /* For all source files under arch/x86/. */ |
| #define LIB_ARCH_X86_IN_SECT(lsect) \ |
| *libarch__x86__core.a.a:(.##lsect) \ |
| *libarch__x86__core.a:(.##lsect##.*) |
| |
| #ifdef CONFIG_MINIMAL_LIBC |
| /* For all source files under lib/libc/minimal/. |
| * These files includes, for example, math and string functions. |
| */ |
| #define LIB_C_IN_SECT(lsect) \ |
| *liblib__libc__minimal.a:(.##lsect) \ |
| *liblib__libc__minimal.a:(.##lsect##.*) |
| |
| #endif /* CONFIG_MINIMAL_LIBC */ |
| |
| #ifdef CONFIG_NEWLIB_LIBC |
| /* For Newlib libc-hook.c. */ |
| #define LIB_C_IN_SECT(lsect) \ |
| *liblib__libc__newlib.a:libc-hooks.c.obj(.##lsect) \ |
| *liblib__libc__newlib.a:libc-hooks.c.obj(.##lsect##.*) |
| |
| #endif /* CONFIG_NEWLIB_LIBC */ |
| |
| #ifdef CONFIG_PICOLIBC |
| /* For Picolibc libc-hook.c. */ |
| #define LIB_C_IN_SECT(lsect) \ |
| *liblib__libc__picolibc.a:libc-hooks.c.obj(.##lsect) \ |
| *liblib__libc__picolibc.a:libc-hooks.c.obj(.##lsect##.*) |
| |
| #endif /* CONFIG_PICOLIBC */ |
| |
| /* |
| * For drivers that are usually used (e.g. serial) |
| */ |
| #define LIB_DRIVERS_IN_SECT(lsect) \ |
| *libdrivers__serial.a:(.##lsect) \ |
| *libdrivers__serial.a:(.##lsect##.*) \ |
| *hpet.c.obj(.##lsect) \ |
| *hpet.c.obj(.##lsect##.*) \ |
| *intc_ioapic.c.obj(.##lsect) \ |
| *intc_ioapic.c.obj(.##lsect##.*) \ |
| *intc_loapic.c.obj(.##lsect) \ |
| *intc_loapic.c.obj(.##lsect##.*) \ |
| *intc_system_apic.c.obj(.##lsect) \ |
| *intc_system_apic.c.obj(.##lsect##.*) \ |
| *random_timer.c.obj(.##lsect) \ |
| *random_timer.c.obj(.##lsect##.*) \ |
| *uart_console.c.obj(.##lsect) \ |
| *uart_console.c.obj(.##lsect##.*) |
| |
| /* For all source files under kernel/. and kernel related files */ |
| #define LIB_KERNEL_IN_SECT(lsect) \ |
| *libkernel.a:(.##lsect) \ |
| *libkernel.a:(.##lsect##.*) \ |
| *libsubsys__demand_paging__*.a:(.##lsect) \ |
| *libsubsys__demand_paging__*.a:(.##lsect##.*) |
| |
| /* For particular file packaged in libzephyr.a. */ |
| #define LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, objfile) \ |
| *libzephyr.a:objfile.c.obj(.##lsect) \ |
| *libzephyr.a:objfile.c.obj(.##lsect##.*) |
| |
| /* For source files under lib/os/ with commonly used functions. */ |
| #define LIB_ZEPHYR_IN_SECT(lsect) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, assert) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, bitarray) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, cbprintf_complete) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, cbprintf_nano) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, configs) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, coverage) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, heap) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, heap-validate) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, mutex) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, notify) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, printk) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, sem) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, stdout_console) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, sys_clock_init) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, rb) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, tracing_none) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, tracing_tracking) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, thread_entry) \ |
| LIB_ZEPHYR_OBJECT_FILE_IN_SECT(lsect, work_q) |
| |
| /* |
| * Catch all for all internal/external kernel functions |
| * as they are usually defined as "static inline" where |
| * they are attached to the source which uses them. |
| * Hence the need to specify them here so they can be pinned. |
| */ |
| #define ZEPHYR_KERNEL_FUNCS_IN_SECT \ |
| *(.text.atomic_*) \ |
| *(.text.k_*) \ |
| *(.text.sys_*_bit) \ |
| *(.text.sys_bitfield_*) \ |
| *(.text.sys_clock_hw_cycles_per_sec) \ |
| *(.text.sys_cache_*) \ |
| *(.text.sys_dcache_*) \ |
| *(.text.sys_icache_*) \ |
| *(.text.sys_mutex_*) \ |
| *(.text.sys_notify_*) \ |
| *(.text.sys_dlist_*) \ |
| *(.text.sys_slist_*) \ |
| *(.text.sys_sflist_*) \ |
| *(.text.sys_sfnode_*) \ |
| *(.text.sys_io_*) \ |
| *(.text.sys_in*) \ |
| *(.text.sys_out*) \ |
| *(.text.sys_read*) \ |
| *(.text.sys_write*) \ |
| *(.text.sys_get_be*) \ |
| *(.text.sys_get_le*) \ |
| *(.text.sys_put_be*) \ |
| *(.text.sys_put_le*) \ |
| *(.text.sys_mem_swap) \ |
| *(.text.sys_memcpy_swap) \ |
| *(.text.z_*) |
| |
| /* For logging subsys */ |
| #define LIB_SUBSYS_LOGGING_IN_SECT(lsect) \ |
| *log_*.c.obj(.##lsect) \ |
| *log_*.c.obj(.##lsect.*) \ |
| *mpsc_pbuf.c.obj(.##lsect) \ |
| *mpsc_pbuf.c.obj(.##lsect.*) |
| |
| epoint = K_MEM_PHYS_ADDR(CONFIG_KERNEL_ENTRY); |
| ENTRY(epoint) |
| |
| /* SECTIONS definitions */ |
| SECTIONS |
| { |
| |
| #include <zephyr/linker/rel-sections.ld> |
| |
| #ifdef CONFIG_LLEXT |
| #include <zephyr/linker/llext-sections.ld> |
| #endif |
| |
| /DISCARD/ : |
| { |
| *(.plt) |
| } |
| |
| /DISCARD/ : |
| { |
| *(.iplt) |
| } |
| |
| #ifdef CONFIG_LINKER_USE_BOOT_SECTION |
| |
| SECTION_PROLOGUE(boot.text,,) |
| { |
| #include <snippets-rom-start.ld> |
| |
| MMU_PAGE_ALIGN |
| lnkr_boot_start = .; |
| z_mapped_start = .; |
| |
| lnkr_boot_text_start = .; |
| |
| KEEP(*(.boot_text.__start)) |
| *(.boot_text) |
| *(.boot_text.*) |
| |
| *(.text.k_mem_paging_backing_store_init) |
| *(.text.k_mem_paging_eviction_init) |
| |
| MMU_PAGE_ALIGN_PERM |
| |
| lnkr_boot_text_end = .; |
| } GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| SECTION_PROLOGUE(boot.rodata,,) |
| { |
| MMU_PAGE_ALIGN_PERM |
| |
| lnkr_boot_rodata_start = .; |
| |
| *(.boot_rodata) |
| *(.boot_rodata.*) |
| |
| MMU_PAGE_ALIGN_PERM |
| |
| lnkr_boot_rodata_end = .; |
| } GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| SECTION_PROLOGUE(boot.data,,) |
| { |
| MMU_PAGE_ALIGN_PERM |
| |
| . = ALIGN(4); |
| |
| lnkr_boot_data_start = .; |
| |
| *(.boot_data) |
| *(.boot_data.*) |
| |
| lnkr_boot_data_end = .; |
| } GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| SECTION_PROLOGUE(boot.bss, (NOLOAD),) |
| { |
| . = ALIGN(4); |
| |
| lnkr_boot_bss_start = .; |
| |
| *(.boot_bss) |
| *(.boot_bss.*) |
| |
| lnkr_boot_bss_end = .; |
| } GROUP_NOLOAD_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| SECTION_PROLOGUE(boot.noinit, (NOLOAD),) |
| { |
| . = ALIGN(4); |
| |
| lnkr_boot_noinit_start = .; |
| |
| *(.boot_noinit) |
| *(.boot_noinit.*) |
| |
| lnkr_boot_noinit_end = .; |
| |
| MMU_PAGE_ALIGN |
| |
| lnkr_boot_end = .; |
| } GROUP_NOLOAD_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| lnkr_boot_text_size = lnkr_boot_text_end - lnkr_boot_text_start; |
| lnkr_boot_rodata_size = lnkr_boot_rodata_end - lnkr_boot_rodata_start; |
| lnkr_boot_data_size = lnkr_boot_data_end - lnkr_boot_data_start; |
| lnkr_boot_bss_size = lnkr_boot_bss_end - lnkr_boot_bss_start; |
| lnkr_boot_noinit_size = lnkr_boot_noinit_end - lnkr_boot_noinit_start; |
| |
| #endif /* CONFIG_LINKER_USE_BOOT_SECTION */ |
| |
| #ifdef CONFIG_LINKER_USE_PINNED_SECTION |
| |
| SECTION_PROLOGUE(pinned.text,,) |
| { |
| #ifndef CONFIG_LINKER_USE_BOOT_SECTION |
| #include <snippets-rom-start.ld> |
| #endif |
| |
| MMU_PAGE_ALIGN |
| |
| lnkr_pinned_start = .; |
| |
| #ifndef CONFIG_LINKER_USE_BOOT_SECTION |
| z_mapped_start = .; |
| #endif |
| |
| lnkr_pinned_text_start = .; |
| |
| LIB_KERNEL_IN_SECT(text) |
| LIB_ARCH_X86_IN_SECT(text) |
| *(.text._OffsetAbsSyms) |
| |
| *(.pinned_text) |
| *(.pinned_text.*) |
| |
| LIB_ZEPHYR_IN_SECT(text) |
| LIB_C_IN_SECT(text) |
| LIB_DRIVERS_IN_SECT(text) |
| LIB_SUBSYS_LOGGING_IN_SECT(text) |
| |
| *_divdi3.o(.text) |
| *_udivdi3.o(.text) |
| *_udivmoddi4.o(.text) |
| *_umoddi3.o(.text) |
| *_popcountsi2.o(.text) |
| |
| *(.gnu.linkonce.t.exc_*) |
| |
| *(.text.*.constprop) |
| *(.text.*.constprop.*) |
| |
| #if defined(CONFIG_NEWLIB_LIBC) || defined(CONFIG_PICOLIBC) |
| *libc*.a:(.text) |
| *libc*.a:(.text.*) |
| #endif |
| |
| #ifdef CONFIG_COVERAGE |
| *(.text._sub_I_00100_0) |
| #endif |
| |
| ZEPHYR_KERNEL_FUNCS_IN_SECT |
| |
| #include <zephyr/linker/kobject-text.ld> |
| |
| MMU_PAGE_ALIGN_PERM |
| |
| lnkr_pinned_text_end = .; |
| } GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| MMU_PAGE_ALIGN_PERM |
| |
| lnkr_pinned_rodata_start = .; |
| |
| #include <zephyr/linker/common-rom.ld> |
| /* Located in generated directory. This file is populated by calling |
| * zephyr_linker_sources(ROM_SECTIONS ...). Useful for grouping iterable RO structs. |
| */ |
| #include <snippets-rom-sections.ld> |
| #include <zephyr/linker/thread-local-storage.ld> |
| |
| SECTION_PROLOGUE(pinned.rodata,,) |
| { |
| #include <zephyr/arch/x86/ia32/scripts/static_intr.ld> |
| |
| LIB_KERNEL_IN_SECT(rodata) |
| LIB_ARCH_X86_IN_SECT(rodata) |
| |
| *(.pinned_rodata) |
| *(.pinned_rodata.*) |
| |
| LIB_ZEPHYR_IN_SECT(rodata) |
| LIB_C_IN_SECT(rodata) |
| LIB_DRIVERS_IN_SECT(rodata) |
| LIB_SUBSYS_LOGGING_IN_SECT(rodata) |
| |
| /* Static strings */ |
| *(.rodata.str*.*) |
| *(.rodata.*.str*.*) |
| |
| #if defined(CONFIG_NEWLIB_LIBC) || defined(CONFIG_PICOLIBC) |
| *libc*.a:(.rodata) |
| *libc*.a:(.rodata.*) |
| #endif |
| |
| #include <snippets-rodata.ld> |
| #include <snippets-pinned-rodata.ld> |
| |
| #include <zephyr/linker/kobject-rom.ld> |
| |
| MMU_PAGE_ALIGN_PERM |
| |
| lnkr_pinned_rodata_end = .; |
| } GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| SECTION_PROLOGUE(pinned.data,,) |
| { |
| MMU_PAGE_ALIGN_PERM |
| |
| lnkr_pinned_data_start = .; |
| |
| . = ALIGN(4); |
| |
| #include <zephyr/arch/x86/ia32/scripts/shared_kernel_pages.ld> |
| #include <zephyr/arch/x86/ia32/scripts/dynamic_intr.ld> |
| |
| LIB_KERNEL_IN_SECT(data) |
| LIB_ARCH_X86_IN_SECT(data) |
| |
| *(.pinned_data) |
| *(.pinned_data.*) |
| |
| LIB_ZEPHYR_IN_SECT(data) |
| LIB_C_IN_SECT(data) |
| LIB_DRIVERS_IN_SECT(data) |
| LIB_SUBSYS_LOGGING_IN_SECT(data) |
| |
| #ifdef CONFIG_COVERAGE |
| *(.data.__gcov_.*) |
| |
| /* |
| * This is for the struct gcov_info for |
| * various functions. |
| */ |
| *(.data..LPBX*) |
| #endif |
| |
| } GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| #include <zephyr/linker/common-ram.ld> |
| #include <zephyr/arch/x86/pagetables.ld> |
| #include <zephyr/linker/kobject-data.ld> |
| |
| /* Located in generated directory. This file is populated by the |
| * zephyr_linker_sources() Cmake function. |
| */ |
| #include <snippets-pinned-data-sections.ld> |
| |
| lnkr_pinned_data_end = .; |
| |
| /* Located in generated directory. This file is populated by the |
| * zephyr_linker_sources() Cmake function. |
| */ |
| #include <snippets-pinned-ram-sections.ld> |
| |
| SECTION_PROLOGUE(pinned.bss, (NOLOAD),) |
| { |
| . = ALIGN(4); |
| |
| lnkr_pinned_bss_start = .; |
| |
| LIB_KERNEL_IN_SECT(bss) |
| LIB_ARCH_X86_IN_SECT(bss) |
| |
| *(.pinned_bss) |
| *(.pinned_bss.*) |
| |
| LIB_ZEPHYR_IN_SECT(bss) |
| LIB_C_IN_SECT(bss) |
| LIB_DRIVERS_IN_SECT(bss) |
| LIB_SUBSYS_LOGGING_IN_SECT(bss) |
| |
| #ifdef CONFIG_COVERAGE |
| *(.bss.__gcov0.*) |
| #endif |
| |
| lnkr_pinned_bss_end = .; |
| } GROUP_NOLOAD_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| #ifdef CONFIG_USERSPACE |
| /* PINNED APP SHARED MEMORY REGION */ |
| #include <app_smem_pinned.ld> |
| |
| _app_smem_pinned_size = _app_smem_pinned_end - _app_smem_pinned_start; |
| _app_smem_pinned_num_words = _app_smem_pinned_size >> 2; |
| #endif /* CONFIG_USERSPACE */ |
| |
| SECTION_PROLOGUE(pinned.noinit, (NOLOAD),) |
| { |
| . = ALIGN(4); |
| |
| lnkr_pinned_noinit_start = .; |
| |
| LIB_KERNEL_IN_SECT(noinit) |
| LIB_ARCH_X86_IN_SECT(noinit) |
| |
| *(.pinned_noinit) |
| *(.pinned_noinit.*) |
| |
| LIB_ZEPHYR_IN_SECT(noinit) |
| LIB_C_IN_SECT(noinit) |
| LIB_DRIVERS_IN_SECT(noinit) |
| LIB_SUBSYS_LOGGING_IN_SECT(noinit) |
| |
| #ifdef CONFIG_ZTEST |
| /* For tests/kernel/mem_slab/ tests */ |
| *(.noinit.*.k_mem_slab_buf_*) |
| |
| /* For tests/kernel/mem_heap tests */ |
| *(.noinit.*.kheap_buf_*) |
| |
| /* Pin ztest_thread_stack. |
| * This must be done or else double fault |
| * may arise: testing exceptions while |
| * page fault for the ztest stack. |
| */ |
| *libsubsys__testsuite__ztest.a:(.noinit.*) |
| #endif |
| |
| lnkr_pinned_noinit_end = .; |
| |
| MMU_PAGE_ALIGN |
| |
| lnkr_pinned_end = .; |
| |
| } GROUP_NOLOAD_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| lnkr_pinned_text_size = lnkr_pinned_text_end - lnkr_pinned_text_start; |
| lnkr_pinned_rodata_size = lnkr_pinned_rodata_end - lnkr_pinned_rodata_start; |
| lnkr_pinned_data_size = lnkr_pinned_data_end - lnkr_pinned_data_start; |
| lnkr_pinned_bss_size = lnkr_pinned_bss_end - lnkr_pinned_bss_start; |
| lnkr_pinned_noinit_size = lnkr_pinned_noinit_end - lnkr_pinned_noinit_start; |
| |
| #endif /* CONFIG_LINKER_USE_PINNED_SECTION */ |
| |
| #if defined(CONFIG_DEMAND_PAGING) && !defined(CONFIG_LINKER_GENERIC_SECTIONS_PRESENT_AT_BOOT) |
| /* From now on, put symbols into FLASH */ |
| #undef ROMABLE_REGION |
| #define ROMABLE_REGION FLASH |
| |
| /* This is to align the following sections in flash |
| * to their corresponding virtual addresses. |
| * In other words, the offset from start of flash |
| * for these sections would be the same from start of |
| * their virtual addresses. This provides a simple and |
| * direct mapping from backing store. |
| */ |
| flash_load_offset : |
| { |
| . = FLASH_ROM_ADDR + (lnkr_pinned_end - KERNEL_BASE_ADDR); |
| } > FLASH AT > FLASH |
| |
| #endif |
| |
| GROUP_START(ROMABLE_REGION) |
| |
| . = ALIGN(8); |
| |
| SECTION_PROLOGUE(_TEXT_SECTION_NAME,,) |
| { |
| __text_region_start = .; |
| |
| #if !defined(CONFIG_LINKER_USE_BOOT_SECTION) || \ |
| !defined(CONFIG_LINKER_USE_PINNED_SECTION) |
| z_mapped_start = .; |
| #endif |
| |
| #if !defined(CONFIG_LINKER_USE_BOOT_SECTION) || \ |
| !defined(CONFIG_LINKER_USE_PINNED_SECTION) |
| /* Located in generated directory. This file is populated by calling |
| * zephyr_linker_sources(ROM_START ...). This typically contains the vector |
| * table and debug information. |
| */ |
| #include <snippets-rom-start.ld> |
| #endif |
| |
| /* Needs KEEP() as ENTRY() is given a physical address */ |
| KEEP(*(.text.__start)) |
| *(.text) |
| *(".text.*") |
| *(.gnu.linkonce.t.*) |
| *(.init) |
| *(.fini) |
| *(.eini) |
| |
| #ifndef CONFIG_LINKER_USE_PINNED_SECTION |
| #include <zephyr/linker/kobject-text.ld> |
| #endif |
| |
| MMU_PAGE_ALIGN_PERM |
| } GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| __text_region_end = .; |
| __text_region_size = __text_region_end - __text_region_start; |
| __rodata_region_start = .; |
| |
| #ifndef CONFIG_LINKER_USE_PINNED_SECTION |
| #include <zephyr/linker/common-rom.ld> |
| /* Located in generated directory. This file is populated by calling |
| * zephyr_linker_sources(ROM_SECTIONS ...). Useful for grouping iterable RO structs. |
| */ |
| #include <snippets-rom-sections.ld> |
| #include <zephyr/linker/thread-local-storage.ld> |
| #endif |
| |
| SECTION_PROLOGUE(_RODATA_SECTION_NAME,,) |
| { |
| *(.rodata) |
| *(".rodata.*") |
| *(.gnu.linkonce.r.*) |
| |
| #ifndef CONFIG_DYNAMIC_INTERRUPTS |
| #ifndef CONFIG_LINKER_USE_PINNED_SECTION |
| #include <zephyr/arch/x86/ia32/scripts/static_intr.ld> |
| #endif /* !CONFIG_LINKER_USE_PINNED_SECTION */ |
| #endif /* CONFIG_DYNAMIC_INTERRUPTS */ |
| |
| #ifndef CONFIG_LINKER_USE_PINNED_SECTION |
| /* Located in generated directory. This file is populated by the |
| * zephyr_linker_sources() Cmake function. |
| */ |
| #include <snippets-rodata.ld> |
| |
| #include <zephyr/linker/kobject-rom.ld> |
| #endif |
| } GROUP_ROM_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| #include <zephyr/linker/cplusplus-rom.ld> |
| |
| MMU_PAGE_ALIGN_PERM |
| /* ROM ends here, position counter will now be in RAM areas */ |
| __rodata_region_end = .; |
| __rodata_region_size = __rodata_region_end - __rodata_region_start; |
| GROUP_END(ROMABLE_REGION) |
| /* |
| * Needed for dynamic linking which we do not have, do discard |
| */ |
| /DISCARD/ : { |
| *(.got.plt) |
| *(.igot.plt) |
| *(.got) |
| *(.igot) |
| } |
| /* RAMABLE_REGION */ |
| GROUP_START(RAMABLE_REGION) |
| |
| /* Located in generated directory. This file is populated by the |
| * zephyr_linker_sources() Cmake function. |
| */ |
| #include <snippets-ram-sections.ld> |
| |
| #ifdef CONFIG_USERSPACE |
| /* APP SHARED MEMORY REGION */ |
| #include <app_smem.ld> |
| |
| _image_ram_start = _app_smem_start; |
| _app_smem_size = _app_smem_end - _app_smem_start; |
| _app_smem_num_words = _app_smem_size >> 2; |
| _app_smem_rom_start = LOADADDR(_APP_SMEM_SECTION_NAME); |
| #endif /* CONFIG_USERSPACE */ |
| |
| SECTION_PROLOGUE(_BSS_SECTION_NAME, (NOLOAD),) |
| { |
| MMU_PAGE_ALIGN_PERM |
| #if !defined(CONFIG_USERSPACE) |
| _image_ram_start = .; |
| #endif |
| /* |
| * For performance, BSS section is forced to be both 4 byte aligned and |
| * a multiple of 4 bytes. |
| */ |
| . = ALIGN(4); |
| __kernel_ram_start = .; |
| __bss_start = .; |
| |
| *(.bss) |
| *(".bss.*") |
| *(COMMON) |
| *(".kernel_bss.*") |
| |
| /* |
| * As memory is cleared in words only, it is simpler to ensure the BSS |
| * section ends on a 4 byte boundary. This wastes a maximum of 3 bytes. |
| */ |
| . = ALIGN(4); |
| __bss_end = .; |
| } GROUP_NOLOAD_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| __bss_num_words = (__bss_end - __bss_start) >> 2; |
| |
| #include <zephyr/linker/common-noinit.ld> |
| |
| MMU_PAGE_ALIGN_PERM |
| |
| SECTION_DATA_PROLOGUE(_DATA_SECTION_NAME,,) |
| { |
| |
| __data_ram_start = .; |
| |
| *(.data) |
| *(".data.*") |
| *(".kernel.*") |
| |
| #ifdef CONFIG_DYNAMIC_INTERRUPTS |
| #ifndef CONFIG_LINKER_USE_PINNED_SECTION |
| #include <zephyr/arch/x86/ia32/scripts/dynamic_intr.ld> |
| #endif /* !CONFIG_LINKER_USE_PINNED_SECTION */ |
| #endif /* CONFIG_DYNAMIC_INTERRUPTS */ |
| |
| /* Located in generated directory. This file is populated by the |
| * zephyr_linker_sources() Cmake function. |
| */ |
| #include <snippets-rwdata.ld> |
| |
| #ifndef CONFIG_LINKER_USE_PINNED_SECTION |
| #include <zephyr/arch/x86/ia32/scripts/shared_kernel_pages.ld> |
| #endif /* !CONFIG_LINKER_USE_PINNED_SECTION */ |
| |
| . = ALIGN(4); |
| } GROUP_DATA_LINK_IN(RAMABLE_REGION, ROMABLE_REGION) |
| |
| __data_rom_start = LOADADDR(_DATA_SECTION_NAME); |
| |
| #include <zephyr/linker/cplusplus-ram.ld> |
| |
| #ifndef CONFIG_LINKER_USE_PINNED_SECTION |
| #include <zephyr/linker/common-ram.ld> |
| #include <zephyr/arch/x86/pagetables.ld> |
| |
| /* Must be last in RAM */ |
| #include <zephyr/linker/kobject-data.ld> |
| #endif /* !CONFIG_LINKER_USE_PINNED_SECTION */ |
| |
| /* Located in generated directory. This file is populated by the |
| * zephyr_linker_sources() Cmake function. |
| */ |
| #include <snippets-data-sections.ld> |
| |
| MMU_PAGE_ALIGN |
| __data_ram_end = .; |
| |
| /* All unused memory also owned by the kernel for heaps */ |
| __kernel_ram_end = KERNEL_BASE_ADDR + KERNEL_RAM_SIZE; |
| __kernel_ram_size = __kernel_ram_end - __kernel_ram_start; |
| |
| _image_ram_all = (KERNEL_BASE_ADDR + KERNEL_RAM_SIZE) - _image_ram_start; |
| |
| z_mapped_size = z_mapped_end - z_mapped_start; |
| |
| #ifndef LINKER_ZEPHYR_FINAL |
| /* static interrupts */ |
| SECTION_PROLOGUE(intList,,) |
| { |
| KEEP(*(.spurIsr)) |
| KEEP(*(.spurNoErrIsr)) |
| KEEP(*(.intList)) |
| KEEP(*(.gnu.linkonce.intList.*)) |
| } > IDT_LIST |
| #else |
| /DISCARD/ : |
| { |
| KEEP(*(.spurIsr)) |
| KEEP(*(.spurNoErrIsr)) |
| KEEP(*(.intList)) |
| KEEP(*(.gnu.linkonce.intList.*)) |
| } |
| #endif |
| |
| |
| |
| /* Located in generated directory. This file is populated by the |
| * zephyr_linker_sources() Cmake function. |
| */ |
| #include <snippets-sections.ld> |
| |
| #define LAST_RAM_ALIGN MMU_PAGE_ALIGN |
| |
| #include <zephyr/linker/ram-end.ld> |
| |
| GROUP_END(RAMABLE_REGION) |
| |
| #include <zephyr/linker/debug-sections.ld> |
| |
| /DISCARD/ : { *(.note.GNU-stack) } |
| |
| } |