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/* Copyright 2019 SiFive, Inc */
/* SPDX-License-Identifier: Apache-2.0 */
/* ----------------------------------- */
/* ----------------------------------- */
OUTPUT_ARCH("riscv")
ENTRY(_enter)
MEMORY
{
ram (wxa!ri) : ORIGIN = 0x80000000, LENGTH = 0x4000
itim (wx!rai) : ORIGIN = 0x8000000, LENGTH = 0x4000
flash (rxai!w) : ORIGIN = 0x20400000, LENGTH = 0x1fc00000
}
PHDRS
{
flash PT_LOAD;
ram_init PT_LOAD;
itim_init PT_LOAD;
ram PT_LOAD;
itim PT_LOAD;
}
SECTIONS
{
__stack_size = DEFINED(__stack_size) ? __stack_size : 0x400;
PROVIDE(__stack_size = __stack_size);
__heap_size = DEFINED(__heap_size) ? __heap_size : 0x400;
PROVIDE(__metal_boot_hart = 0);
PROVIDE(__metal_chicken_bit = 0);
.init :
{
KEEP (*(.text.metal.init.enter))
KEEP (*(SORT_NONE(.init)))
KEEP (*(.text.libgloss.start))
} >ram AT>ram :ram
.text :
{
*(.text.unlikely .text.unlikely.*)
*(.text.startup .text.startup.*)
*(.text .text.*)
*(.gnu.linkonce.t.*)
} >ram AT>ram :ram
.fini :
{
KEEP (*(SORT_NONE(.fini)))
} >ram AT>ram :ram
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.*)
} >ram AT>ram :ram
. = ALIGN(4);
.preinit_array :
{
PROVIDE_HIDDEN (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE_HIDDEN (__preinit_array_end = .);
} >ram AT>ram :ram
.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 = .);
} >ram AT>ram :ram
.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 = .);
} >ram AT>ram :ram
.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))
} >ram AT>ram :ram
.dtors :
{
KEEP (*crtbegin.o(.dtors))
KEEP (*crtbegin?.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
} >ram AT>ram :ram
.litimalign :
{
. = ALIGN(4);
PROVIDE( metal_segment_itim_source_start = . );
} >ram AT>ram :ram
.ditimalign :
{
. = ALIGN(4);
PROVIDE( metal_segment_itim_target_start = . );
} >itim AT>ram :itim_init
.itim :
{
*(.itim .itim.*)
} >itim AT>ram :itim_init
. = ALIGN(8);
PROVIDE( metal_segment_itim_target_end = . );
.lalign :
{
. = ALIGN(4);
PROVIDE( _data_lma = . );
PROVIDE( metal_segment_data_source_start = . );
} >ram AT>ram :ram
.dalign :
{
. = ALIGN(4);
PROVIDE( metal_segment_data_target_start = . );
} >ram AT>ram :ram_init
.data :
{
*(.data .data.*)
*(.gnu.linkonce.d.*)
. = ALIGN(8);
PROVIDE( __global_pointer$ = . + 0x800 );
*(.sdata .sdata.* .sdata2.*)
*(.gnu.linkonce.s.*)
} >ram AT>ram :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 :
{
PROVIDE(metal_segment_stack_begin = .);
. = __stack_size;
PROVIDE( _sp = . );
PROVIDE(metal_segment_stack_end = .);
} >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
}
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