artiq/artiq/firmware/ksupport/ksupport.ld

96 lines
1.8 KiB
Plaintext

INCLUDE generated/output_format.ld
STARTUP(crt0-or1k.o)
ENTRY(_start)
INCLUDE generated/regions.ld
/* First 4M of main memory are reserved for runtime
* code/data/heap, then comes kernel memory.
* Next 4M of main memory are reserved for
* the background RPC queue.
* First 256K of kernel memory are for support code.
* Support code is loaded at ORIGIN-0x80 so that ELF headers
* are also loaded.
*/
MEMORY {
ksupport (RWX) : ORIGIN = 0x40800000, LENGTH = 0x40000
}
/* Kernel stack is at the end of main RAM. */
PROVIDE(_fstack = ORIGIN(main_ram) + LENGTH(main_ram) - 4);
/* Force ld to make the ELF header as loadable. */
PHDRS
{
text PT_LOAD FILEHDR PHDRS;
eh_frame PT_GNU_EH_FRAME;
}
SECTIONS
{
.text :
{
_ftext = .;
*(.text .stub .text.* .gnu.linkonce.t.*)
_etext = .;
} :text
/* https://sourceware.org/bugzilla/show_bug.cgi?id=20475 */
.got : {
_GLOBAL_OFFSET_TABLE_ = .;
*(.got)
} :text
.got.plt : {
*(.got.plt)
} :text
.rodata :
{
. = ALIGN(4);
_frodata = .;
*(.rodata .rodata.* .gnu.linkonce.r.*)
*(.rodata1)
_erodata = .;
} > ksupport
.eh_frame :
{
KEEP(*(.eh_frame))
} :text
.eh_frame_hdr :
{
KEEP(*(.eh_frame_hdr))
} :text :eh_frame
.data :
{
. = ALIGN(4);
_fdata = .;
*(.data .data.* .gnu.linkonce.d.*)
*(.data1)
*(.sdata .sdata.* .gnu.linkonce.s.*)
_edata = .;
}
.bss :
{
. = ALIGN(4);
_fbss = .;
*(.dynsbss)
*(.sbss .sbss.* .gnu.linkonce.sb.*)
*(.scommon)
*(.dynbss)
*(.bss .bss.* .gnu.linkonce.b.*)
*(COMMON)
. = ALIGN(4);
_ebss = .;
}
/DISCARD/ :
{
*(.debug*)
}
}