/* * Memory map: * * _RAMBASE * : data segment * : bss segment * : heap * : stack */ /* * Bootstrap code for the STPC Consumer * Copyright (c) 1999 by Net Insight AB. All Rights Reserved. */ /* * Written by Johan Rydberg, based on work by Daniel Kahlin. * Rewritten by Eric Biederman */ /* * We use ELF as output format. So that we can * debug the code in some form. */ INCLUDE ldoptions ENTRY(_start) SECTIONS { . = _RAMBASE; /* * First we place the code and read only data (typically const declared). * This get placed in rom. */ .text : { _text = .; *(.text); *(.text.*); . = ALIGN(16); _etext = .; } .rodata : { _rodata = .; . = ALIGN(4); console_drivers = .; *(.rodata.console_drivers) econsole_drivers = . ; . = ALIGN(4); pci_drivers = . ; *(.rodata.pci_driver) epci_drivers = . ; *(.rodata) *(.rodata.*) /* * kevinh/Ispiri - Added an align, because the objcopy tool * incorrectly converts sections that are not long word aligned. * This breaksthe linuxbios.strip target. */ . = ALIGN(4); _erodata = .; } /* * After the code we place initialized data (typically initialized * global variables). This gets copied into ram by startup code. * __data_start and __data_end shows where in ram this should be placed, * whereas __data_loadstart and __data_loadend shows where in rom to * copy from. */ .data : { _data = .; *(.data) _edata = .; } /* * bss does not contain data, it is just a space that should be zero * initialized on startup. (typically uninitialized global variables) * crt0.S fills between _bss and _ebss with zeroes. */ _bss = .; .bss . : { *(.bss) *(.sbss) *(COMMON) } _ebss = .; _end = .; _stack = .; .stack . : { /* Reserve a stack for each possible cpu, +1 extra */ . = ((MAX_CPUS * STACK_SIZE) + STACK_SIZE) ; } _estack = .; _heap = .; .heap . : { /* Reserve 256K for the heap */ . = HEAP_SIZE ; . = ALIGN(4); } _eheap = .; /* The ram segment * This is all address of the memory resident copy of linuxBIOS. */ _ram_seg = _text; _eram_seg = _eheap; /DISCARD/ : { *(.comment) *(.note) } }