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@@ -0,0 +1,268 @@
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+/*
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+ * linker script for configurable keymap
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+ *
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+ * This adds keymap section which places keymap at fixed address and
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+ * is based on binutils-avr ldscripts(/usr/lib/ldscripts/avr5.x).
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+ */
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+OUTPUT_FORMAT("elf32-avr","elf32-avr","elf32-avr")
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+OUTPUT_ARCH(avr:35)
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+MEMORY
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+{
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+ /* With keymap section
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+ *
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+ * Flash Map of ATMega32U4(32KB)
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+ * +------------+ 0x0000
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+ * | .vectors |
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+ * | .progmem |
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+ * | .init0-9 | > text region
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+ * | .text |
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+ * | .fini9-0 |
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+ * | |
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+ * |------------| _etext
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+ * | .data |
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+ * | .bss | > data region
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+ * | .noinit |
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+ * | |
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+ * |------------| 0x6800
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+ * | .keymap | > keymap region(2KB)
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+ * |------------| 0x7000
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+ * | bootloader | 4KB
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+ * +------------+ 0x7FFF
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+ */
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+ text (rx) : ORIGIN = 0, LENGTH = 64K
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+ keymap (rw!x) : ORIGIN = 0x6800, LENGTH = 2K
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+ data (rw!x) : ORIGIN = 0x800060, LENGTH = 0xffa0
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+ eeprom (rw!x) : ORIGIN = 0x810000, LENGTH = 64K
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+ fuse (rw!x) : ORIGIN = 0x820000, LENGTH = 1K
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+ lock (rw!x) : ORIGIN = 0x830000, LENGTH = 1K
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+ signature (rw!x) : ORIGIN = 0x840000, LENGTH = 1K
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+}
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+SECTIONS
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+{
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+ /* Read-only sections, merged into text segment: */
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+ .hash : { *(.hash) }
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+ .dynsym : { *(.dynsym) }
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+ .dynstr : { *(.dynstr) }
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+ .gnu.version : { *(.gnu.version) }
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+ .gnu.version_d : { *(.gnu.version_d) }
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+ .gnu.version_r : { *(.gnu.version_r) }
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+ .rel.init : { *(.rel.init) }
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+ .rela.init : { *(.rela.init) }
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+ .rel.text :
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+ {
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+ *(.rel.text)
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+ *(.rel.text.*)
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+ *(.rel.gnu.linkonce.t*)
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+ }
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+ .rela.text :
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+ {
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+ *(.rela.text)
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+ *(.rela.text.*)
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+ *(.rela.gnu.linkonce.t*)
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+ }
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+ .rel.fini : { *(.rel.fini) }
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+ .rela.fini : { *(.rela.fini) }
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+ .rel.rodata :
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+ {
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+ *(.rel.rodata)
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+ *(.rel.rodata.*)
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+ *(.rel.gnu.linkonce.r*)
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+ }
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+ .rela.rodata :
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+ {
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+ *(.rela.rodata)
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+ *(.rela.rodata.*)
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+ *(.rela.gnu.linkonce.r*)
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+ }
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+ .rel.data :
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+ {
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+ *(.rel.data)
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+ *(.rel.data.*)
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+ *(.rel.gnu.linkonce.d*)
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+ }
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+ .rela.data :
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+ {
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+ *(.rela.data)
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+ *(.rela.data.*)
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+ *(.rela.gnu.linkonce.d*)
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+ }
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+ .rel.ctors : { *(.rel.ctors) }
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+ .rela.ctors : { *(.rela.ctors) }
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+ .rel.dtors : { *(.rel.dtors) }
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+ .rela.dtors : { *(.rela.dtors) }
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+ .rel.got : { *(.rel.got) }
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+ .rela.got : { *(.rela.got) }
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+ .rel.bss : { *(.rel.bss) }
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+ .rela.bss : { *(.rela.bss) }
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+ .rel.plt : { *(.rel.plt) }
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+ .rela.plt : { *(.rela.plt) }
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+ /* Internal text space or external memory. */
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+ .text :
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+ {
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+ *(.vectors)
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+ KEEP(*(.vectors))
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+ /* For data that needs to reside in the lower 64k of progmem. */
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+ *(.progmem.gcc*)
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+ *(.progmem*)
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+ . = ALIGN(2);
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+ __trampolines_start = . ;
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+ /* The jump trampolines for the 16-bit limited relocs will reside here. */
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+ *(.trampolines)
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+ *(.trampolines*)
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+ __trampolines_end = . ;
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+ /* For future tablejump instruction arrays for 3 byte pc devices.
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+ We don't relax jump/call instructions within these sections. */
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+ *(.jumptables)
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+ *(.jumptables*)
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+ /* For code that needs to reside in the lower 128k progmem. */
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+ *(.lowtext)
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+ *(.lowtext*)
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+ __ctors_start = . ;
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+ *(.ctors)
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+ __ctors_end = . ;
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+ __dtors_start = . ;
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+ *(.dtors)
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+ __dtors_end = . ;
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+ KEEP(SORT(*)(.ctors))
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+ KEEP(SORT(*)(.dtors))
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+ /* From this point on, we don't bother about wether the insns are
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+ below or above the 16 bits boundary. */
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+ *(.init0) /* Start here after reset. */
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+ KEEP (*(.init0))
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+ *(.init1)
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+ KEEP (*(.init1))
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+ *(.init2) /* Clear __zero_reg__, set up stack pointer. */
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+ KEEP (*(.init2))
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+ *(.init3)
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+ KEEP (*(.init3))
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+ *(.init4) /* Initialize data and BSS. */
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+ KEEP (*(.init4))
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+ *(.init5)
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+ KEEP (*(.init5))
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+ *(.init6) /* C++ constructors. */
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+ KEEP (*(.init6))
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+ *(.init7)
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+ KEEP (*(.init7))
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+ *(.init8)
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+ KEEP (*(.init8))
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+ *(.init9) /* Call main(). */
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+ KEEP (*(.init9))
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+ *(.text)
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+ . = ALIGN(2);
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+ *(.text.*)
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+ . = ALIGN(2);
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+ *(.fini9) /* _exit() starts here. */
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+ KEEP (*(.fini9))
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+ *(.fini8)
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+ KEEP (*(.fini8))
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+ *(.fini7)
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+ KEEP (*(.fini7))
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+ *(.fini6) /* C++ destructors. */
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+ KEEP (*(.fini6))
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+ *(.fini5)
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+ KEEP (*(.fini5))
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+ *(.fini4)
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+ KEEP (*(.fini4))
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+ *(.fini3)
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+ KEEP (*(.fini3))
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+ *(.fini2)
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+ KEEP (*(.fini2))
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+ *(.fini1)
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+ KEEP (*(.fini1))
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+ *(.fini0) /* Infinite loop after program termination. */
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+ KEEP (*(.fini0))
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+ _etext = . ;
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+ } > text
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+ .data : AT (ADDR (.text) + SIZEOF (.text))
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+ {
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+ PROVIDE (__data_start = .) ;
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+ *(.data)
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+ *(.data*)
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+ *(.rodata) /* We need to include .rodata here if gcc is used */
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+ *(.rodata*) /* with -fdata-sections. */
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+ *(.gnu.linkonce.d*)
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+ . = ALIGN(2);
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+ _edata = . ;
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+ PROVIDE (__data_end = .) ;
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+ } > data
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+ .bss : AT (ADDR (.bss))
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+ {
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+ PROVIDE (__bss_start = .) ;
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+ *(.bss)
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+ *(.bss*)
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+ *(COMMON)
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+ PROVIDE (__bss_end = .) ;
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+ } > data
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+ __data_load_start = LOADADDR(.data);
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+ __data_load_end = __data_load_start + SIZEOF(.data);
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+ /* Global data not cleared after reset. */
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+ .noinit :
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+ {
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+ PROVIDE (__noinit_start = .) ;
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+ *(.noinit*)
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+ PROVIDE (__noinit_end = .) ;
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+ _end = . ;
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+ PROVIDE (__heap_start = .) ;
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+ } > data
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+ /* keymap region is located at end of flash
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+ * .fn_actions Fn actions definitions
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+ * .keymaps Mapping layers
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+ */
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+ .keymap :
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+ {
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+ PROVIDE(__keymap_start = .) ;
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+ *(.keymap.fn_actions) /* 32*actions = 64bytes */
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+ . = ALIGN(0x40);
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+ *(.keymap.keymaps) /* rest of .keymap section */
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+ *(.keymap*)
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+ /* . = ALIGN(0x800); */ /* keymap section takes 2KB- */
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+ } > keymap = 0x00 /* zero fill */
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+ .eeprom :
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+ {
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+ *(.eeprom*)
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+ __eeprom_end = . ;
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+ } > eeprom
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+ .fuse :
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+ {
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+ KEEP(*(.fuse))
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+ KEEP(*(.lfuse))
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+ KEEP(*(.hfuse))
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+ KEEP(*(.efuse))
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+ } > fuse
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+ .lock :
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+ {
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+ KEEP(*(.lock*))
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+ } > lock
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+ .signature :
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+ {
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+ KEEP(*(.signature*))
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+ } > signature
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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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+}
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tmk