1 1.3 matt /* $NetBSD: ldscript,v 1.3 2012/08/06 02:14:15 matt Exp $ */ 2 1.1 cliff 3 1.1 cliff OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm", 4 1.1 cliff "elf32-littlearm") 5 1.1 cliff OUTPUT_ARCH(arm) 6 1.1 cliff ENTRY(GZBOOT) 7 1.1 cliff MEMORY 8 1.1 cliff { 9 1.1 cliff /* We will locate the .text section in flash, and will run directly 10 1.1 cliff from there just long enough to relocate our .text and .data into 11 1.1 cliff a small chunk of SDRAM starting at (SDRAM + 1M). */ 12 1.1 cliff gzboot : o = 0x01600000, l = 6M 13 1.1 cliff sdram : o = 0x00200000, l = 2M /* kernel loads at 0x00200000 */ 14 1.1 cliff } 15 1.1 cliff SECTIONS 16 1.1 cliff { 17 1.1 cliff GZBOOT = 0x01600000; 18 1.1 cliff 19 1.3 matt /DISCARD/ : { *(.ARM.attributes*) *(.ARM.exidx) } 20 1.3 matt 21 1.1 cliff /* Read-only sections, merged into text segment: */ 22 1.1 cliff __text_store = GZBOOT; 23 1.1 cliff .text : 24 1.1 cliff AT (GZBOOT) 25 1.1 cliff { 26 1.1 cliff *(.text) 27 1.1 cliff *(.text.*) 28 1.1 cliff *(.stub) 29 1.1 cliff *(.glue_7t) *(.glue_7) 30 1.1 cliff *(.rodata) *(.rodata.*) 31 1.1 cliff } > gzboot =0 32 1.1 cliff PROVIDE (__etext = .); 33 1.1 cliff PROVIDE (_etext = .); 34 1.1 cliff PROVIDE (etext = .); 35 1.1 cliff __data_store = GZBOOT + SIZEOF(.text); 36 1.1 cliff .data : 37 1.1 cliff AT (LOADADDR(.text) + SIZEOF(.text)) 38 1.1 cliff { 39 1.1 cliff __data_start = . ; 40 1.1 cliff *(.data) 41 1.1 cliff *(.data.*) 42 1.1 cliff } > gzboot 43 1.1 cliff .sdata : 44 1.1 cliff AT (LOADADDR(.data) + SIZEOF(.data)) 45 1.1 cliff { 46 1.1 cliff *(.sdata) 47 1.1 cliff *(.sdata.*) 48 1.1 cliff . = ALIGN(32 / 8); 49 1.1 cliff } > gzboot 50 1.1 cliff _edata = .; 51 1.1 cliff PROVIDE (edata = .); 52 1.1 cliff __bss_start = .; 53 1.1 cliff __bss_start__ = .; 54 1.1 cliff .sbss : 55 1.2 skrll AT (ADDR(.sbss)) 56 1.1 cliff { 57 1.1 cliff PROVIDE (__sbss_start = .); 58 1.1 cliff PROVIDE (___sbss_start = .); 59 1.1 cliff *(.dynsbss) 60 1.1 cliff *(.sbss) 61 1.1 cliff *(.sbss.*) 62 1.1 cliff *(.scommon) 63 1.1 cliff PROVIDE (__sbss_end = .); 64 1.1 cliff PROVIDE (___sbss_end = .); 65 1.1 cliff } > gzboot 66 1.1 cliff .bss : 67 1.2 skrll AT (ADDR(.bss)) 68 1.1 cliff { 69 1.1 cliff *(.dynbss) 70 1.1 cliff *(.bss) 71 1.1 cliff *(.bss.*) 72 1.1 cliff *(COMMON) 73 1.1 cliff /* Align here to ensure that the .bss section occupies space up to 74 1.1 cliff _end. Align after .bss to ensure correct alignment even if the 75 1.1 cliff .bss section disappears because there are no input sections. */ 76 1.1 cliff . = ALIGN(32 / 8); 77 1.1 cliff } > gzboot 78 1.1 cliff . = ALIGN(32 / 8); 79 1.1 cliff _end = .; 80 1.1 cliff _bss_end__ = . ; __bss_end__ = . ; __end__ = . ; 81 1.1 cliff PROVIDE (end = .); 82 1.1 cliff .image : 83 1.1 cliff { 84 1.1 cliff *(.image) 85 1.1 cliff } > gzboot 86 1.1 cliff } 87