116 lines
3.8 KiB
Plaintext
116 lines
3.8 KiB
Plaintext
/*
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* Linker script for PIC32 firmware using HID bootloader.
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*/
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OUTPUT_FORMAT("elf32-littlemips", "elf32-bigmips",
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"elf32-littlemips")
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OUTPUT_ARCH(mips)
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ENTRY(_reset_vector_)
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MEMORY
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{
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flash (rx) : ORIGIN = 0x9d005000, LENGTH = 492K
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ram (rw!x): ORIGIN = 0x80000000, LENGTH = 26K
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u0area (rw!x): ORIGIN = 0x80006800, LENGTH = 3K
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uarea (rw!x): ORIGIN = 0x80007400, LENGTH = 3K
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/* Required by Microchip C32 linker */
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kseg0_program_mem (rx) : ORIGIN = 0x9D000000, LENGTH = 0x80000
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kseg0_boot_mem : ORIGIN = 0x9FC00490, LENGTH = 0x970
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exception_mem : ORIGIN = 0x9FC01000, LENGTH = 0x1000
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kseg1_boot_mem : ORIGIN = 0xBFC00000, LENGTH = 0x490
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kseg1_data_mem (w!x) : ORIGIN = 0xA0000000, LENGTH = 0x20000
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}
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/* higher address of the user mode stack */
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u0 = ORIGIN(u0area);
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u = ORIGIN(uarea);
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u_end = ORIGIN(uarea) + LENGTH(uarea);
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SECTIONS
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{
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.text ORIGIN(flash) :
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{
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/* Exception handlers. */
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*(.exception)
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. = 0x1000;
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/* Execution starts here. */
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*(.startup)
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*(.text .stub .text.* .gnu.linkonce.t.*)
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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*(.glue_7t) *(.glue_7)
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__rodata_start = . ;
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*(.rodata .rodata.* .gnu.linkonce.r.* .rel.dyn)
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*(.dinit)
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/* Align here to ensure that the .text section ends on word boundary. */
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. = ALIGN (32 / 8);
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_etext = .;
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} > flash
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/* Start data (internal SRAM). */
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.data : AT (ADDR (.text) + SIZEOF (.text))
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{
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__data_start = . ;
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_gp = .; /* We use only 32k RAM for kernel, so no need for 0x8000 offset. */
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/* We want the small data sections together, so single-instruction offsets
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can access them all, and initialized data all before uninitialized, so
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we can shorten the on-disk segment size. */
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*(.sdata .sdata.* .gnu.linkonce.s.*)
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*(.data .data.* .gnu.linkonce.d.*)
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*(.eh_frame)
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_edata = .;
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} > ram
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.bss ADDR (.data) + SIZEOF (.data) (NOLOAD) :
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{
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__bss_start = .;
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*(.dynbss)
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*(.sbss)
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*(.scommon)
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*(.bss .bss.* .gnu.linkonce.b.*)
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*(COMMON)
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/* Align here to ensure that the .bss section occupies space up to
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_end. Align after .bss to ensure correct alignment even if the
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.bss section disappears because there are no input sections. */
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. = ALIGN (32 / 8);
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} > ram
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__bss_end = . ;
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_end = .;
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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.debug_pubtypes 0 : { *(.debug_pubtypes) }
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.debug_ranges 0 : { *(.debug_ranges) }
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.gnu.attributes 0 : { KEEP (*(.gnu.attributes)) }
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}
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