272 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
			
		
		
	
	
			272 lines
		
	
	
		
			10 KiB
		
	
	
	
		
			Plaintext
		
	
	
	
	
	
| OUTPUT_FORMAT("elf32-mt", "elf32-mt", "elf32-mt")
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| OUTPUT_ARCH(mt)
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| ENTRY(__boot_start)
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| 
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| /* Do we need any of these for elf?
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|    __DYNAMIC = 0;    */
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| MEMORY
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| {
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|   ram (rwx) : ORIGIN = 0x0, LENGTH = 16M
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|   sram (wx) : ORIGIN = 0xfef00000, LENGTH = 64K
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|   frame-buffer (w) : ORIGIN = 0xff000000, LENGTH = 80K
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|   dma-ram (w) : ORIGIN = 0x1000000, LENGTH = 32M
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|   ports (w) : ORIGIN = 0xfffff000, LENGTH = 4K
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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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|   . = 0x0;
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|   PROVIDE(__executable_start = 0x0);
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|   .interp         : { *(.interp) }
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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       : { *(.rel.text .rel.text.* .rel.gnu.linkonce.t.*) }
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|   .rela.text      : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
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|   .rel.fini       : { *(.rel.fini) }
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|   .rela.fini      : { *(.rela.fini) }
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|   .rel.rodata     : { *(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*) }
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|   .rela.rodata    : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
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|   .rel.data.rel.ro  : { *(.rel.data.rel.ro*) }
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|   .rela.data.rel.ro : { *(.rela.data.rel.ro*) }
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|   .rel.data       : { *(.rel.data .rel.data.* .rel.gnu.linkonce.d.*) }
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|   .rela.data      : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
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|   .rel.tdata      : { *(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*) }
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|   .rela.tdata     : { *(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*) }
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|   .rel.tbss       : { *(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*) }
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|   .rela.tbss      : { *(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*) }
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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.sdata      : { *(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*) }
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|   .rela.sdata     : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
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|   .rel.sbss       : { *(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*) }
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|   .rela.sbss      : { *(.rela.sbss .rela.sbss.* .rel.gnu.linkonce.sb.*) }
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|   .rel.sdata2     : { *(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*) }
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|   .rela.sdata2    : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
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|   .rel.sbss2      : { *(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*) }
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|   .rela.sbss2     : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
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|   .rel.bss        : { *(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*) }
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|   .rela.bss       : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
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|   .rel.plt        : { *(.rel.plt) }
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|   .rela.plt       : { *(.rela.plt) }
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| 
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|   .startup        : { *startup-16-003.o(.startup) } >ram =0
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|   . = 0x40;
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| 
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|   .init           : { KEEP (*(.init)) } >ram =0
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|   .plt            : { *(.plt) } >ram
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|   .text           :
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|   {
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|     *startup-16-004.o(.text);
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|     *(.text .stub .text.* .gnu.linkonce.t.*)
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|     KEEP (*(.text.*personality*))
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|     /* .gnu.warning sections are handled specially by elf32.em.  */
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|     *(.gnu.warning)
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|   } >ram =0
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|   .fini           : { KEEP (*(.fini)) } >ram =0
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|   PROVIDE (__etext = .);
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|   PROVIDE (_etext = .);
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|   PROVIDE (etext = .);
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|   .rodata         : { *(.rodata .rodata.* .gnu.linkonce.r.*) } >ram
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|   .rodata1        : { *(.rodata1) } >ram
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|   .sdata2         : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) } >ram
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|   .sbss2          : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) } >ram
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|   .eh_frame_hdr   : { *(.eh_frame_hdr) } >ram
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|   .eh_frame       : ONLY_IF_RO { KEEP (*(.eh_frame)) } >ram
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|   .gcc_except_table : ONLY_IF_RO { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram
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|   /* Adjust the address for the data segment.  We want to adjust up to
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|      the same address within the page on the next page up.  */
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|   . = ALIGN(256) + (. & (256 - 1));
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|   /* Exception handling  */
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|   .eh_frame       : ONLY_IF_RW { KEEP (*(.eh_frame)) } >ram
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|   .gcc_except_table   : ONLY_IF_RW { KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) } >ram
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|   /* Thread Local Storage sections  */
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|   .tdata          : { *(.tdata .tdata.* .gnu.linkonce.td.*) } >ram
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|   .tbss           : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) } >ram
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|   /* Ensure the __preinit_array_start label is properly aligned.  We
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|      could instead move the label definition inside the section, but
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|      the linker would then create the section even if it turns out to
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|      be empty, which isn't pretty.  */
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|   . = ALIGN(32 / 8);
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|   PROVIDE (__preinit_array_start = .);
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|   .preinit_array  : { *(.preinit_array) } >ram
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|   PROVIDE (__preinit_array_end = .);
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|   PROVIDE (__init_array_start = .);
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|   .init_array     : { *(.init_array) } >ram
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|   PROVIDE (__init_array_end = .);
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|   PROVIDE (__fini_array_start = .);
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|   .fini_array     : { *(.fini_array) } >ram
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|   PROVIDE (__fini_array_end = .);
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|   .ctors          :
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|   {
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|     /* gcc uses crtbegin.o to find the start of
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|        the constructors, so we make sure it is
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|        first.  Because this is a wildcard, it
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|        doesn't matter if the user does not
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|        actually link against crtbegin.o; the
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|        linker won't look for a file to match a
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|        wildcard.  The wildcard also means that it
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|        doesn't matter which directory crtbegin.o
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|        is in.  */
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|     KEEP (*crtbegin.o(.ctors))
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|     /* We don't want to include the .ctor section from
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|        from the crtend.o file until after the sorted ctors.
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|        The .ctor section from the crtend file contains the
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|        end of ctors marker and it must be last */
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|     KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
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|     KEEP (*(SORT(.ctors.*)))
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|     KEEP (*(.ctors))
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|   } >ram
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|   .dtors          :
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|   {
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|     KEEP (*crtbegin*.o(.dtors))
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|     KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
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|     KEEP (*(SORT(.dtors.*)))
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|     KEEP (*(.dtors))
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|   } >ram
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|   .jcr            : { KEEP (*(.jcr)) } >ram
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|   .data.rel.ro    : { *(.data.rel.ro.local) *(.data.rel.ro*) } >ram
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|   .dynamic        : { *(.dynamic) } >ram
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| 
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|   /* DJK - Re-align the data section from the read-only section. */
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|   . = ALIGN(16) + (. & (16 - 1));
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|   PROVIDE (_data = .);
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|   .data           :
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|   {
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|     *(.data .data.* .gnu.linkonce.d.*)
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|     KEEP (*(.gnu.linkonce.d.*personality*))
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|     SORT(CONSTRUCTORS)
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|   } >ram
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|   .data1          : { *(.data1) } >ram
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|   .got            : { *(.got.plt) *(.got) } >ram
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| 
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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 .sdata.* .gnu.linkonce.s.*) } >ram
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|   _edata = .;
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|   PROVIDE ( edata = . );
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|   .sbss           :
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|   {
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|     PROVIDE (__sbss_start = .);
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|     PROVIDE (___sbss_start = .);
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|     *(.dynsbss)
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|     *(.sbss .sbss.* .gnu.linkonce.sb.*)
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|     *(.scommon)
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|     PROVIDE (__sbss_end = .);
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|     PROVIDE (___sbss_end = .);
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|   } >ram
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|   .bss            :
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|   {
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|     *(.dynbss)
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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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|   . = ALIGN(32 / 8);
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|   __bss_start = ADDR ( .sbss ) ;
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|   __bss_end = __bss_start + SIZEOF ( .sbss ) + SIZEOF ( .bss ) - 4 ;
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|   _end = .;
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|   PROVIDE (end = .);
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| 
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|   /* DJK - Initialized frame buffer data is copied from RAM to FB. */
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|   .auxbss         : AT (ADDR(.bss) + SIZEOF(.bss)) { *(.auxbss) } >frame-buffer
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|   .auxdata        : AT (LOADADDR(.auxbss) + SIZEOF(.auxbss))
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|   {
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|     *(.auxdata.bank0)
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|     . = ALIGN(0x4000);
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|     *(.auxdata.bank1)
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|     . = ALIGN(0x4000);
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|     *(.auxdata.bank2)
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|     . = ALIGN(0x4000);
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|     *(.auxdata.bank3)
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|     . = ALIGN(0x4000);
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|     *(.auxdata.bank4)
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|     *(.auxdata)
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|   } >frame-buffer
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| 
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|   _fbbss_start = ADDR ( .auxbss );
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|   _fbbss_end = _fbbss_start + SIZEOF ( .auxbss ) - 4;
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|   _fbdata_start = LOADADDR ( .auxdata );
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|   _fbdata_end = _fbdata_start + SIZEOF ( .auxdata ) ;
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|   _fbdata_vma = ADDR ( .auxdata );
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| 
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|   PROVIDE (__FRAME_BUFFER_START = ADDR(.auxbss) );
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|   PROVIDE (__FRAME_BUFFER_SIZE = 0x14000);
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|   PROVIDE (__FRAME_BUFFER_END = __FRAME_BUFFER_START + __FRAME_BUFFER_SIZE);
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| 
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|   /* For now, locate data ahead of code in onchip sram/memory. */
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|   .sram           : AT (LOADADDR(.auxdata) + SIZEOF(.auxdata))
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|   {
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|     *(.sram.data)
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|     . = ALIGN(4) ; /* Make sure that instructions are aligned... */
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|     *(.sram.text)
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|   } >sram
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|   
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|   _sram_data_start = LOADADDR ( .sram );
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|   _sram_data_end = _sram_data_start + SIZEOF ( .sram ) ;
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|   _sram_data_vma = ADDR ( .sram );
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| 
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|   .dma            : { _dma_start = .; *(.dma) _dma_end = .; } >dma-ram
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|   .internal_io (NOLOAD) : { *(.internal_io) } >ports
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| 
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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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| 
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|   /* In a multi-core environment, each core is given its own stack space
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|      equal to __stack_size, growing downwards. */
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|   PROVIDE (__stack = 0x97ff0);
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|   PROVIDE (__stack_size = 0x800);
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| 
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|   .stack (DEFINED(__stack) ? __stack : 0x007ffff0) :
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|   {
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|      __stack = .;
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|     *(.stack)
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|     LONG(0xdeaddead)
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|   }
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|   /DISCARD/ : { *(.note.GNU-stack) }
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| }
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