| /* Copyright 2019 SiFive, Inc */ |
| /* SPDX-License-Identifier: Apache-2.0 */ |
| /* ----------------------------------- */ |
| /* ----------------------------------- */ |
| |
| OUTPUT_ARCH("riscv") |
| |
| ENTRY(_enter) |
| |
| MEMORY |
| { |
| ram (wxa!ri) : ORIGIN = 0x80000000, LENGTH = 0x4000 |
| flash (rxai!w) : ORIGIN = 0x20010000, LENGTH = 0x6a120 |
| } |
| |
| PHDRS |
| { |
| flash PT_LOAD; |
| ram_init PT_LOAD; |
| itim_init PT_LOAD; |
| ram PT_NULL; |
| itim PT_NULL; |
| } |
| |
| SECTIONS |
| { |
| __stack_size = DEFINED(__stack_size) ? __stack_size : 0x400; |
| PROVIDE(__stack_size = __stack_size); |
| __heap_size = DEFINED(__heap_size) ? __heap_size : 0x4; |
| PROVIDE(__metal_boot_hart = 0); |
| PROVIDE(__metal_chicken_bit = 0); |
| |
| |
| .init : |
| { |
| KEEP (*(.text.metal.init.enter)) |
| KEEP (*(SORT_NONE(.init))) |
| KEEP (*(.text.libgloss.start)) |
| } >flash AT>flash :flash |
| |
| |
| .text : |
| { |
| *(.text.unlikely .text.unlikely.*) |
| *(.text.startup .text.startup.*) |
| *(.text .text.*) |
| *(.itim .itim.*) |
| *(.gnu.linkonce.t.*) |
| } >flash AT>flash :flash |
| |
| |
| .fini : |
| { |
| KEEP (*(SORT_NONE(.fini))) |
| } >flash AT>flash :flash |
| |
| |
| PROVIDE (__etext = .); |
| PROVIDE (_etext = .); |
| PROVIDE (etext = .); |
| |
| |
| .rodata : |
| { |
| *(.rdata) |
| *(.rodata .rodata.*) |
| *(.gnu.linkonce.r.*) |
| . = ALIGN(8); |
| *(.srodata.cst16) |
| *(.srodata.cst8) |
| *(.srodata.cst4) |
| *(.srodata.cst2) |
| *(.srodata .srodata.*) |
| } >flash AT>flash :flash |
| |
| |
| . = ALIGN(4); |
| |
| |
| .preinit_array : |
| { |
| PROVIDE_HIDDEN (__preinit_array_start = .); |
| KEEP (*(.preinit_array)) |
| PROVIDE_HIDDEN (__preinit_array_end = .); |
| } >flash AT>flash :flash |
| |
| |
| .init_array : |
| { |
| PROVIDE_HIDDEN (__init_array_start = .); |
| KEEP (*(SORT_BY_INIT_PRIORITY(.init_array.*) SORT_BY_INIT_PRIORITY(.ctors.*))) |
| KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors)) |
| PROVIDE_HIDDEN (__init_array_end = .); |
| } >flash AT>flash :flash |
| |
| |
| .fini_array : |
| { |
| PROVIDE_HIDDEN (__fini_array_start = .); |
| KEEP (*(SORT_BY_INIT_PRIORITY(.fini_array.*) SORT_BY_INIT_PRIORITY(.dtors.*))) |
| KEEP (*(.fini_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .dtors)) |
| PROVIDE_HIDDEN (__fini_array_end = .); |
| } >flash AT>flash :flash |
| |
| |
| .ctors : |
| { |
| /* gcc uses crtbegin.o to find the start of |
| the constructors, so we make sure it is |
| first. Because this is a wildcard, it |
| doesn't matter if the user does not |
| actually link against crtbegin.o; the |
| linker won't look for a file to match a |
| wildcard. The wildcard also means that it |
| doesn't matter which directory crtbegin.o |
| is in. */ |
| KEEP (*crtbegin.o(.ctors)) |
| KEEP (*crtbegin?.o(.ctors)) |
| /* We don't want to include the .ctor section from |
| the crtend.o file until after the sorted ctors. |
| The .ctor section from the crtend file contains the |
| end of ctors marker and it must be last */ |
| KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors)) |
| KEEP (*(SORT(.ctors.*))) |
| KEEP (*(.ctors)) |
| } >flash AT>flash :flash |
| |
| |
| .dtors : |
| { |
| KEEP (*crtbegin.o(.dtors)) |
| KEEP (*crtbegin?.o(.dtors)) |
| KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors)) |
| KEEP (*(SORT(.dtors.*))) |
| KEEP (*(.dtors)) |
| } >flash AT>flash :flash |
| |
| |
| .litimalign : |
| { |
| . = ALIGN(4); |
| PROVIDE( metal_segment_itim_source_start = . ); |
| } >flash AT>flash :flash |
| |
| |
| .ditimalign : |
| { |
| . = ALIGN(4); |
| PROVIDE( metal_segment_itim_target_start = . ); |
| } >ram AT>flash :ram_init |
| |
| |
| .itim : |
| { |
| *(.itim .itim.*) |
| } >flash AT>flash :flash |
| |
| |
| . = ALIGN(8); |
| PROVIDE( metal_segment_itim_target_end = . ); |
| |
| |
| .lalign : |
| { |
| . = ALIGN(4); |
| PROVIDE( _data_lma = . ); |
| PROVIDE( metal_segment_data_source_start = . ); |
| } >flash AT>flash :flash |
| |
| |
| .dalign : |
| { |
| . = ALIGN(4); |
| PROVIDE( metal_segment_data_target_start = . ); |
| } >ram AT>flash :ram_init |
| |
| |
| .data : |
| { |
| *(.data .data.*) |
| *(.gnu.linkonce.d.*) |
| . = ALIGN(8); |
| PROVIDE( __global_pointer$ = . + 0x800 ); |
| *(.sdata .sdata.* .sdata2.*) |
| *(.gnu.linkonce.s.*) |
| } >ram AT>flash :ram_init |
| |
| |
| . = ALIGN(4); |
| PROVIDE( _edata = . ); |
| PROVIDE( edata = . ); |
| PROVIDE( metal_segment_data_target_end = . ); |
| PROVIDE( _fbss = . ); |
| PROVIDE( __bss_start = . ); |
| PROVIDE( metal_segment_bss_target_start = . ); |
| |
| |
| .bss : |
| { |
| *(.sbss*) |
| *(.gnu.linkonce.sb.*) |
| *(.bss .bss.*) |
| *(.gnu.linkonce.b.*) |
| *(COMMON) |
| . = ALIGN(4); |
| } >ram AT>ram :ram |
| |
| |
| . = ALIGN(8); |
| PROVIDE( _end = . ); |
| PROVIDE( end = . ); |
| PROVIDE( metal_segment_bss_target_end = . ); |
| |
| .stack : |
| { |
| . = ALIGN(16); |
| metal_segment_stack_begin = .; |
| . += __stack_size; |
| . = ALIGN(16); |
| _sp = .; |
| PROVIDE(metal_segment_stack_end = .); |
| __freertos_irq_stack_top = .; |
| } >ram AT>ram :ram |
| |
| |
| .heap : |
| { |
| PROVIDE( metal_segment_heap_target_start = . ); |
| . = __heap_size; |
| PROVIDE( metal_segment_heap_target_end = . ); |
| PROVIDE( _heap_end = . ); |
| } >ram AT>ram :ram |
| |
| |
| } |
| |