/* * Copyright (c) 2016 Cadence Design Systems, Inc. * SPDX-License-Identifier: Apache-2.0 */ /** * @file * @brief Linker command/script file * * Linker script for the Xtensa platform. */ #define _LINKER #define _ASMLANGUAGE #include #include #include #include #define RAMABLE_REGION sram0_seg :sram0_phdr #define ROMABLE_REGION srom1_seg :srom1_phdr MEMORY { dram1_0_seg : org = 0x3FFC0000, len = 0x20000 dram0_0_seg : org = 0x3FFE0000, len = 0x20000 iram0_0_seg : org = 0x40000000, len = 0x178 iram0_1_seg : org = 0x40000178, len = 0x8 iram0_2_seg : org = 0x40000180, len = 0x38 iram0_3_seg : org = 0x400001B8, len = 0x8 iram0_4_seg : org = 0x400001C0, len = 0x38 iram0_5_seg : org = 0x400001F8, len = 0x8 iram0_6_seg : org = 0x40000200, len = 0x38 iram0_7_seg : org = 0x40000238, len = 0x8 iram0_8_seg : org = 0x40000240, len = 0x38 iram0_9_seg : org = 0x40000278, len = 0x8 iram0_10_seg : org = 0x40000280, len = 0x38 iram0_11_seg : org = 0x400002B8, len = 0x8 iram0_12_seg : org = 0x400002C0, len = 0x38 iram0_13_seg : org = 0x400002F8, len = 0x8 iram0_14_seg : org = 0x40000300, len = 0x38 iram0_15_seg : org = 0x40000338, len = 0x8 iram0_16_seg : org = 0x40000340, len = 0x38 iram0_17_seg : org = 0x40000378, len = 0x48 iram0_18_seg : org = 0x400003C0, len = 0x40 iram0_19_seg : org = 0x40000400, len = 0x1FC00 srom0_seg : org = 0x50000000, len = 0x300 srom1_seg : org = 0x50000300, len = 0xFFFD00 sram0_seg : org = 0x60000000, len = 0x4000000 #ifdef CONFIG_GEN_ISR_TABLES IDT_LIST : org = 0x3ffbe000, len = 0x2000 #endif } PHDRS { dram1_0_phdr PT_LOAD; dram1_0_bss_phdr PT_LOAD; dram0_0_phdr PT_LOAD; dram0_0_bss_phdr PT_LOAD; iram0_0_phdr PT_LOAD; iram0_1_phdr PT_LOAD; iram0_2_phdr PT_LOAD; iram0_3_phdr PT_LOAD; iram0_4_phdr PT_LOAD; iram0_5_phdr PT_LOAD; iram0_6_phdr PT_LOAD; iram0_7_phdr PT_LOAD; iram0_8_phdr PT_LOAD; iram0_9_phdr PT_LOAD; iram0_10_phdr PT_LOAD; iram0_11_phdr PT_LOAD; iram0_12_phdr PT_LOAD; iram0_13_phdr PT_LOAD; iram0_14_phdr PT_LOAD; iram0_15_phdr PT_LOAD; iram0_16_phdr PT_LOAD; iram0_17_phdr PT_LOAD; iram0_18_phdr PT_LOAD; iram0_19_phdr PT_LOAD; srom0_phdr PT_LOAD; srom1_phdr PT_LOAD; sram0_phdr PT_LOAD; sram0_bss_phdr PT_LOAD; } /* Default entry point: */ ENTRY(CONFIG_KERNEL_ENTRY) /* Memory boundary addresses: */ _memmap_mem_dram1_start = 0x3ffc0000; _memmap_mem_dram1_end = 0x3ffe0000; _memmap_mem_dram0_start = 0x3ffe0000; _memmap_mem_dram0_end = 0x40000000; _memmap_mem_iram0_start = 0x40000000; _memmap_mem_iram0_end = 0x40020000; _memmap_mem_srom_start = 0x50000000; _memmap_mem_srom_end = 0x51000000; _memmap_mem_sram_start = 0x60000000; _memmap_mem_sram_end = 0x64000000; /* Memory segment boundary addresses: */ _memmap_seg_dram1_0_start = 0x3ffc0000; _memmap_seg_dram1_0_max = 0x3ffe0000; _memmap_seg_dram0_0_start = 0x3ffe0000; _memmap_seg_dram0_0_max = 0x40000000; _memmap_seg_iram0_0_start = 0x40000000; _memmap_seg_iram0_0_max = 0x40000178; _memmap_seg_iram0_1_start = 0x40000178; _memmap_seg_iram0_1_max = 0x40000180; _memmap_seg_iram0_2_start = 0x40000180; _memmap_seg_iram0_2_max = 0x400001b8; _memmap_seg_iram0_3_start = 0x400001b8; _memmap_seg_iram0_3_max = 0x400001c0; _memmap_seg_iram0_4_start = 0x400001c0; _memmap_seg_iram0_4_max = 0x400001f8; _memmap_seg_iram0_5_start = 0x400001f8; _memmap_seg_iram0_5_max = 0x40000200; _memmap_seg_iram0_6_start = 0x40000200; _memmap_seg_iram0_6_max = 0x40000238; _memmap_seg_iram0_7_start = 0x40000238; _memmap_seg_iram0_7_max = 0x40000240; _memmap_seg_iram0_8_start = 0x40000240; _memmap_seg_iram0_8_max = 0x40000278; _memmap_seg_iram0_9_start = 0x40000278; _memmap_seg_iram0_9_max = 0x40000280; _memmap_seg_iram0_10_start = 0x40000280; _memmap_seg_iram0_10_max = 0x400002b8; _memmap_seg_iram0_11_start = 0x400002b8; _memmap_seg_iram0_11_max = 0x400002c0; _memmap_seg_iram0_12_start = 0x400002c0; _memmap_seg_iram0_12_max = 0x400002f8; _memmap_seg_iram0_13_start = 0x400002f8; _memmap_seg_iram0_13_max = 0x40000300; _memmap_seg_iram0_14_start = 0x40000300; _memmap_seg_iram0_14_max = 0x40000338; _memmap_seg_iram0_15_start = 0x40000338; _memmap_seg_iram0_15_max = 0x40000340; _memmap_seg_iram0_16_start = 0x40000340; _memmap_seg_iram0_16_max = 0x40000378; _memmap_seg_iram0_17_start = 0x40000378; _memmap_seg_iram0_17_max = 0x400003c0; _memmap_seg_iram0_18_start = 0x400003c0; _memmap_seg_iram0_18_max = 0x40000400; _memmap_seg_iram0_19_start = 0x40000400; _memmap_seg_iram0_19_max = 0x40020000; _memmap_seg_srom0_start = 0x50000000; _memmap_seg_srom0_max = 0x50000300; _memmap_seg_srom1_start = 0x50000300; _memmap_seg_srom1_max = 0x51000000; _memmap_seg_sram0_start = 0x60000000; _memmap_seg_sram0_max = 0x64000000; _rom_store_table = 0; PROVIDE(_memmap_vecbase_reset = 0x40000000); PROVIDE(_memmap_reset_vector = 0x50000000); /* Various memory-map dependent cache attribute settings: */ _memmap_cacheattr_wb_base = 0x00001110; _memmap_cacheattr_wt_base = 0x00001110; _memmap_cacheattr_bp_base = 0x00002220; _memmap_cacheattr_unused_mask = 0xFFFF000F; _memmap_cacheattr_wb_trapnull = 0x2222111F; _memmap_cacheattr_wba_trapnull = 0x2222111F; _memmap_cacheattr_wbna_trapnull = 0x2222111F; _memmap_cacheattr_wt_trapnull = 0x2222111F; _memmap_cacheattr_bp_trapnull = 0x2222222F; _memmap_cacheattr_wb_strict = 0xFFFF111F; _memmap_cacheattr_wt_strict = 0xFFFF111F; _memmap_cacheattr_bp_strict = 0xFFFF222F; _memmap_cacheattr_wb_allvalid = 0x22221112; _memmap_cacheattr_wt_allvalid = 0x22221112; _memmap_cacheattr_bp_allvalid = 0x22222222; PROVIDE(_memmap_cacheattr_reset = _memmap_cacheattr_wb_trapnull); SECTIONS { .dram1.rodata : ALIGN(4) { _dram1_rodata_start = ABSOLUTE(.); *(.dram1.rodata) _dram1_rodata_end = ABSOLUTE(.); } >dram1_0_seg :dram1_0_phdr .dram1.literal : ALIGN(4) { _dram1_literal_start = ABSOLUTE(.); *(.dram1.literal) _dram1_literal_end = ABSOLUTE(.); } >dram1_0_seg :dram1_0_phdr .dram1.data : ALIGN(4) { _dram1_data_start = ABSOLUTE(.); *(.dram1.data) _dram1_data_end = ABSOLUTE(.); } >dram1_0_seg :dram1_0_phdr .dram1.bss (NOLOAD) : ALIGN(8) { . = ALIGN (8); _dram1_bss_start = ABSOLUTE(.); *(.dram1.bss) . = ALIGN (8); _dram1_bss_end = ABSOLUTE(.); _memmap_seg_dram1_0_end = ALIGN(0x8); } >dram1_0_seg :dram1_0_bss_phdr .dram0.rodata : ALIGN(4) { _dram0_rodata_start = ABSOLUTE(.); *(.dram0.rodata) _dram0_rodata_end = ABSOLUTE(.); } >dram0_0_seg :dram0_0_phdr .dram0.literal : ALIGN(4) { _dram0_literal_start = ABSOLUTE(.); *(.dram0.literal) _dram0_literal_end = ABSOLUTE(.); } >dram0_0_seg :dram0_0_phdr .dram0.data : ALIGN(4) { _dram0_data_start = ABSOLUTE(.); *(.dram0.data) _dram0_data_end = ABSOLUTE(.); } >dram0_0_seg :dram0_0_phdr .dram0.bss (NOLOAD) : ALIGN(8) { . = ALIGN (8); _dram0_bss_start = ABSOLUTE(.); *(.dram0.bss) . = ALIGN (8); _dram0_bss_end = ABSOLUTE(.); _memmap_seg_dram0_0_end = ALIGN(0x8); } >dram0_0_seg :dram0_0_bss_phdr .WindowVectors.text : ALIGN(4) { _WindowVectors_text_start = ABSOLUTE(.); KEEP (*(.WindowVectors.text)) _WindowVectors_text_end = ABSOLUTE(.); _memmap_seg_iram0_0_end = ALIGN(0x8); } >iram0_0_seg :iram0_0_phdr .Level2InterruptVector.literal : ALIGN(4) { _Level2InterruptVector_literal_start = ABSOLUTE(.); *(.Level2InterruptVector.literal) _Level2InterruptVector_literal_end = ABSOLUTE(.); _memmap_seg_iram0_1_end = ALIGN(0x8); } >iram0_1_seg :iram0_1_phdr .Level2InterruptVector.text : ALIGN(4) { _Level2InterruptVector_text_start = ABSOLUTE(.); KEEP (*(.Level2InterruptVector.text)) _Level2InterruptVector_text_end = ABSOLUTE(.); _memmap_seg_iram0_2_end = ALIGN(0x8); } >iram0_2_seg :iram0_2_phdr .Level3InterruptVector.literal : ALIGN(4) { _Level3InterruptVector_literal_start = ABSOLUTE(.); *(.Level3InterruptVector.literal) _Level3InterruptVector_literal_end = ABSOLUTE(.); _memmap_seg_iram0_3_end = ALIGN(0x8); } >iram0_3_seg :iram0_3_phdr .Level3InterruptVector.text : ALIGN(4) { _Level3InterruptVector_text_start = ABSOLUTE(.); KEEP (*(.Level3InterruptVector.text)) _Level3InterruptVector_text_end = ABSOLUTE(.); _memmap_seg_iram0_4_end = ALIGN(0x8); } >iram0_4_seg :iram0_4_phdr .Level4InterruptVector.literal : ALIGN(4) { _Level4InterruptVector_literal_start = ABSOLUTE(.); *(.Level4InterruptVector.literal) _Level4InterruptVector_literal_end = ABSOLUTE(.); _memmap_seg_iram0_5_end = ALIGN(0x8); } >iram0_5_seg :iram0_5_phdr .Level4InterruptVector.text : ALIGN(4) { _Level4InterruptVector_text_start = ABSOLUTE(.); KEEP (*(.Level4InterruptVector.text)) _Level4InterruptVector_text_end = ABSOLUTE(.); _memmap_seg_iram0_6_end = ALIGN(0x8); } >iram0_6_seg :iram0_6_phdr .Level5InterruptVector.literal : ALIGN(4) { _Level5InterruptVector_literal_start = ABSOLUTE(.); *(.Level5InterruptVector.literal) _Level5InterruptVector_literal_end = ABSOLUTE(.); _memmap_seg_iram0_7_end = ALIGN(0x8); } >iram0_7_seg :iram0_7_phdr .Level5InterruptVector.text : ALIGN(4) { _Level5InterruptVector_text_start = ABSOLUTE(.); KEEP (*(.Level5InterruptVector.text)) _Level5InterruptVector_text_end = ABSOLUTE(.); _memmap_seg_iram0_8_end = ALIGN(0x8); } >iram0_8_seg :iram0_8_phdr .DebugExceptionVector.literal : ALIGN(4) { _DebugExceptionVector_literal_start = ABSOLUTE(.); *(.DebugExceptionVector.literal) _DebugExceptionVector_literal_end = ABSOLUTE(.); _memmap_seg_iram0_9_end = ALIGN(0x8); } >iram0_9_seg :iram0_9_phdr .DebugExceptionVector.text : ALIGN(4) { _DebugExceptionVector_text_start = ABSOLUTE(.); KEEP (*(.DebugExceptionVector.text)) _DebugExceptionVector_text_end = ABSOLUTE(.); _memmap_seg_iram0_10_end = ALIGN(0x8); } >iram0_10_seg :iram0_10_phdr .NMIExceptionVector.literal : ALIGN(4) { _NMIExceptionVector_literal_start = ABSOLUTE(.); *(.NMIExceptionVector.literal) _NMIExceptionVector_literal_end = ABSOLUTE(.); _memmap_seg_iram0_11_end = ALIGN(0x8); } >iram0_11_seg :iram0_11_phdr .NMIExceptionVector.text : ALIGN(4) { _NMIExceptionVector_text_start = ABSOLUTE(.); KEEP (*(.NMIExceptionVector.text)) _NMIExceptionVector_text_end = ABSOLUTE(.); _memmap_seg_iram0_12_end = ALIGN(0x8); } >iram0_12_seg :iram0_12_phdr .KernelExceptionVector.literal : ALIGN(4) { _KernelExceptionVector_literal_start = ABSOLUTE(.); *(.KernelExceptionVector.literal) _KernelExceptionVector_literal_end = ABSOLUTE(.); _memmap_seg_iram0_13_end = ALIGN(0x8); } >iram0_13_seg :iram0_13_phdr .KernelExceptionVector.text : ALIGN(4) { _KernelExceptionVector_text_start = ABSOLUTE(.); KEEP (*(.KernelExceptionVector.text)) _KernelExceptionVector_text_end = ABSOLUTE(.); _memmap_seg_iram0_14_end = ALIGN(0x8); } >iram0_14_seg :iram0_14_phdr .UserExceptionVector.literal : ALIGN(4) { _UserExceptionVector_literal_start = ABSOLUTE(.); *(.UserExceptionVector.literal) _UserExceptionVector_literal_end = ABSOLUTE(.); _memmap_seg_iram0_15_end = ALIGN(0x8); } >iram0_15_seg :iram0_15_phdr .UserExceptionVector.text : ALIGN(4) { _UserExceptionVector_text_start = ABSOLUTE(.); KEEP (*(.UserExceptionVector.text)) _UserExceptionVector_text_end = ABSOLUTE(.); _memmap_seg_iram0_16_end = ALIGN(0x8); } >iram0_16_seg :iram0_16_phdr .DoubleExceptionVector.literal : ALIGN(4) { _DoubleExceptionVector_literal_start = ABSOLUTE(.); *(.DoubleExceptionVector.literal) _DoubleExceptionVector_literal_end = ABSOLUTE(.); _memmap_seg_iram0_17_end = ALIGN(0x8); } >iram0_17_seg :iram0_17_phdr .DoubleExceptionVector.text : ALIGN(4) { _DoubleExceptionVector_text_start = ABSOLUTE(.); KEEP (*(.DoubleExceptionVector.text)) _DoubleExceptionVector_text_end = ABSOLUTE(.); _memmap_seg_iram0_18_end = ALIGN(0x8); } >iram0_18_seg :iram0_18_phdr .iram0.text : ALIGN(4) { _iram0_text_start = ABSOLUTE(.); *(.iram0.literal .iram.literal .iram.text.literal .iram0.text .iram.text) _iram0_text_end = ABSOLUTE(.); _memmap_seg_iram0_19_end = ALIGN(0x8); } >iram0_19_seg :iram0_19_phdr .ResetVector.text : ALIGN(4) { _image_rom_start = ABSOLUTE(.); _ResetVector_text_start = ABSOLUTE(.); KEEP (*(.ResetVector.text)) _ResetVector_text_end = ABSOLUTE(.); _memmap_seg_srom0_end = ALIGN(0x8); } >srom0_seg :srom0_phdr .srom.rodata : ALIGN(4) { _srom_rodata_start = ABSOLUTE(.); *(.srom.rodata) _srom_rodata_end = ABSOLUTE(.); } >srom1_seg :srom1_phdr .srom.text : ALIGN(4) { _srom_text_start = ABSOLUTE(.); *(.srom.literal .srom.text) _srom_text_end = ABSOLUTE(.); _memmap_seg_srom1_end = ALIGN(0x8); _image_rom_end = ABSOLUTE(.); } >srom1_seg :srom1_phdr .sram.rodata : ALIGN(4) { _image_ram_start = ABSOLUTE(.); _sram_rodata_start = ABSOLUTE(.); *(.sram.rodata) _sram_rodata_end = ABSOLUTE(.); } >sram0_seg :sram0_phdr #include .rodata : ALIGN(4) { _rodata_start = ABSOLUTE(.); *(.rodata) *(.rodata.*) *(.gnu.linkonce.r.*) *(.rodata1) __XT_EXCEPTION_TABLE__ = ABSOLUTE(.); KEEP (*(.xt_except_table)) KEEP (*(.gcc_except_table)) *(.gnu.linkonce.e.*) *(.gnu.version_r) KEEP (*(.eh_frame)) /* C++ constructor and destructor tables, properly ordered: */ KEEP (*crtbegin.o(.ctors)) KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) KEEP (*(SORT(.ctors.*))) KEEP (*(.ctors)) KEEP (*crtbegin.o(.dtors)) KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) KEEP (*(SORT(.dtors.*))) KEEP (*(.dtors)) /* C++ exception handlers table: */ __XT_EXCEPTION_DESCS__ = ABSOLUTE(.); *(.xt_except_desc) *(.gnu.linkonce.h.*) __XT_EXCEPTION_DESCS_END__ = ABSOLUTE(.); *(.xt_except_desc_end) *(.dynamic) *(.gnu.version_d) . = ALIGN(4); /* this table MUST be 4-byte aligned */ _bss_table_start = ABSOLUTE(.); LONG(_dram1_bss_start) LONG(_dram1_bss_end) LONG(_dram0_bss_start) LONG(_dram0_bss_end) LONG(_bss_start) LONG(_bss_end) _bss_table_end = ABSOLUTE(.); _rodata_end = ABSOLUTE(.); } >sram0_seg :sram0_phdr .sram.text : ALIGN(4) { _sram_text_start = ABSOLUTE(.); *(.sram.literal .sram.text) _sram_text_end = ABSOLUTE(.); } >sram0_seg :sram0_phdr _image_text_start = ALIGN(4); .text : ALIGN(4) { _stext = .; _text_start = ABSOLUTE(.); *(.entry.text) *(.init.literal) KEEP(*(.init)) *(.literal .text .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) *(.fini.literal) KEEP(*(.fini)) *(.gnu.version) _text_end = ABSOLUTE(.); _etext = .; } >sram0_seg :sram0_phdr _image_text_end = .; .sram.data : ALIGN(4) { _sram_data_start = ABSOLUTE(.); *(.sram.data) _sram_data_end = ABSOLUTE(.); } >sram0_seg :sram0_phdr .noinit : ALIGN(4) { *(.noinit) *(.noinit.*) } >sram0_seg :sram0_phdr .data : ALIGN(4) { _data_start = ABSOLUTE(.); *(.data) *(.data.*) KEEP(*(SW_ISR_TABLE)) *(.gnu.linkonce.d.*) KEEP(*(.gnu.linkonce.d.*personality*)) *(.data1) *(.sdata) *(.sdata.*) *(.gnu.linkonce.s.*) *(.sdata2) *(.sdata2.*) *(.gnu.linkonce.s2.*) KEEP(*(.jcr)) _data_end = ABSOLUTE(.); } >sram0_seg :sram0_phdr #include .bss (NOLOAD) : ALIGN(8) { . = ALIGN (8); _bss_start = ABSOLUTE(.); *(.dynsbss) *(.sbss) *(.sbss.*) *(.gnu.linkonce.sb.*) *(.scommon) *(.sbss2) *(.sbss2.*) *(.gnu.linkonce.sb2.*) *(.dynbss) *(.bss) *(.bss.*) *(.gnu.linkonce.b.*) *(COMMON) *(.sram.bss) . = ALIGN (8); _bss_end = ABSOLUTE(.); _end = ALIGN(0x8); _image_ram_end = ABSOLUTE(.); PROVIDE(end = ALIGN(0x8)); _stack_sentry = ALIGN(0x8); _memmap_seg_sram0_end = ALIGN(0x8); } >sram0_seg :sram0_bss_phdr __stack = 0x64000000; _heap_sentry = 0x64000000; .debug 0 : { *(.debug) } .line 0 : { *(.line) } .debug_srcinfo 0 : { *(.debug_srcinfo) } .debug_sfnames 0 : { *(.debug_sfnames) } .debug_aranges 0 : { *(.debug_aranges) } .debug_pubnames 0 : { *(.debug_pubnames) } .debug_info 0 : { *(.debug_info) } .debug_abbrev 0 : { *(.debug_abbrev) } .debug_line 0 : { *(.debug_line) } .debug_frame 0 : { *(.debug_frame) } .debug_str 0 : { *(.debug_str) } .debug_loc 0 : { *(.debug_loc) } .debug_macinfo 0 : { *(.debug_macinfo) } .debug_weaknames 0 : { *(.debug_weaknames) } .debug_funcnames 0 : { *(.debug_funcnames) } .debug_typenames 0 : { *(.debug_typenames) } .debug_varnames 0 : { *(.debug_varnames) } .xt.insn 0 : { KEEP (*(.xt.insn)) KEEP (*(.gnu.linkonce.x.*)) } .xt.prop 0 : { KEEP (*(.xt.prop)) KEEP (*(.xt.prop.*)) KEEP (*(.gnu.linkonce.prop.*)) } .xt.lit 0 : { KEEP (*(.xt.lit)) KEEP (*(.xt.lit.*)) KEEP (*(.gnu.linkonce.p.*)) } .debug.xt.callgraph 0 : { KEEP (*(.debug.xt.callgraph .debug.xt.callgraph.* .gnu.linkonce.xt.callgraph.*)) } #ifdef CONFIG_GEN_ISR_TABLES #include #endif }