mirror of https://github.com/wolfSSL/wolfBoot.git
91 lines
2.0 KiB
Plaintext
91 lines
2.0 KiB
Plaintext
OUTPUT_ARCH( "powerpc" )
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ENTRY( _reset )
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_HEAP_SIZE = 4K; /* heap not used */
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_STACK_SIZE = 128K;
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MEMORY
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{
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/* DDR3 - 512MB (offset by destination address and 4KB boot region) */
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DRAM (rwx) : ORIGIN = @WOLFBOOT_STAGE1_LOAD_ADDR@,
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LENGTH = 0x1FFFFFFF - @WOLFBOOT_STAGE1_LOAD_ADDR@
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/* L1 as SRAM (up to 16KB) */
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L1RAM (rwx) : ORIGIN = 0xFFD00000, LENGTH = 16K
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/* L2 as SRAM (up to 256KB) */
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L2RAM (rwx) : ORIGIN = 0xF8F80000, LENGTH = 256K
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}
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SECTIONS
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{
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/* boot code boot_ppc_start.S for _reset */
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.boot :
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{
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KEEP(*(.boot))
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} > DRAM
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. = ALIGN(4);
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/* entry point branch offset to _reset */
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.reset :
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{
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KEEP(*(.reset))
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} > DRAM
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. = ALIGN(4);
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.text :
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{
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_start_vector = .;
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KEEP(*(.isr_vector))
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. = ALIGN(256);
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KEEP(*(.bootmp))
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*(.text*)
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*(.rodata*)
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*(.sdata*)
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} > DRAM
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/* Read-only sections, merged into text segment: */
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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_r : { *(.gnu.version_r) }
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.gnu.hash : { *(.gnu.hash) }
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.rela.dyn : { *(.rela.dyn) }
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. = ALIGN(8);
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_stored_data = .;
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.data : AT (_stored_data)
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{
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_start_data = .;
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KEEP(*(.data*))
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. = ALIGN(4);
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_end_data = .;
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} > DRAM
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.bss (NOLOAD) :
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{
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_start_bss = .;
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__bss_start__ = .;
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*(.bss*)
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*(COMMON)
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. = ALIGN(4);
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_end_bss = .;
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__bss_end__ = .;
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. = ALIGN(16);
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_end = .;
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} > DRAM
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}
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PROVIDE(_start_heap = _end);
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/* If relocated to DDR already then use stack end from DDR */
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/* If debugging and DDR is not ready, use L1 or L2 */
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PROVIDE(_end_stack = _end + _HEAP_SIZE + _STACK_SIZE );
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/* PROVIDE(_end_stack = ORIGIN(L1RAM) + (LENGTH(L1RAM)) ); */
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/* PROVIDE(_end_stack = ORIGIN(L2RAM) + (LENGTH(L2RAM)) ); */
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