1/* ld script to make the Linux/CRIS kernel 2 * Authors: Bjorn Wesen (bjornw@axis.com) 3 * 4 * It is VERY DANGEROUS to fiddle around with the symbols in this 5 * script. It is for example quite vital that all generated sections 6 * that are used are actually named here, otherwise the linker will 7 * put them at the end, where the init stuff is which is FREED after 8 * the kernel has booted. 9 */ 10 11#include <asm-generic/vmlinux.lds.h> 12#include <asm/page.h> 13 14#ifdef CONFIG_ETRAX_VMEM_SIZE 15#define __CONFIG_ETRAX_VMEM_SIZE CONFIG_ETRAX_VMEM_SIZE 16#else 17#define __CONFIG_ETRAX_VMEM_SIZE 0 18#endif 19 20 21jiffies = jiffies_64; 22SECTIONS 23{ 24 . = DRAM_VIRTUAL_BASE; 25 dram_start = .; 26#ifdef CONFIG_ETRAX_ARCH_V10 27 ibr_start = .; 28#else 29 ebp_start = .; 30 /* The boot section is only necessary until the VCS top */ 31 /* level testbench includes both flash and DRAM. */ 32 .boot : { *(.boot) } 33#endif 34 35 /* see head.S and pages reserved at the start */ 36 . = DRAM_VIRTUAL_BASE + 0x4000; 37 38 _text = .; /* Text and read-only data. */ 39 text_start = .; /* Lots of aliases. */ 40 _stext = .; 41 __stext = .; 42 .text : { 43 TEXT_TEXT 44 SCHED_TEXT 45 LOCK_TEXT 46 *(.fixup) 47 *(.text.__*) 48 } 49 50 _etext = . ; /* End of text section. */ 51 __etext = .; 52 53 EXCEPTION_TABLE(4) 54 55 _sdata = .; 56 RODATA 57 58 . = ALIGN (4); 59 ___data_start = . ; 60 __Sdata = . ; 61 .data : { /* Data */ 62 CACHELINE_ALIGNED_DATA(32) 63 READ_MOSTLY_DATA(32) 64 DATA_DATA 65 } 66 __edata = . ; /* End of data section. */ 67 _edata = . ; 68 69 INIT_TASK_DATA_SECTION(PAGE_SIZE) 70 71 . = ALIGN(PAGE_SIZE); /* Init code and data. */ 72 __init_begin = .; 73 INIT_TEXT_SECTION(PAGE_SIZE) 74 .init.data : { INIT_DATA } 75 .init.setup : { INIT_SETUP(16) } 76 .initcall.init : { 77 INIT_CALLS 78 } 79 80 .con_initcall.init : { 81 CON_INITCALL 82 } 83 SECURITY_INIT 84 85 /* .exit.text is discarded at runtime, not link time, 86 * to deal with references from __bug_table 87 */ 88 .exit.text : { 89 EXIT_TEXT 90 } 91 .exit.data : { 92 EXIT_DATA 93 } 94 95#ifdef CONFIG_ETRAX_ARCH_V10 96#ifdef CONFIG_BLK_DEV_INITRD 97 .init.ramfs : { 98 __initramfs_start = .; 99 *(.init.ramfs) 100 __initramfs_end = .; 101 } 102#endif 103#endif 104 __vmlinux_end = .; /* Last address of the physical file. */ 105#ifdef CONFIG_ETRAX_ARCH_V32 106 PERCPU_SECTION(32) 107 108 .init.ramfs : { 109 INIT_RAM_FS 110 } 111#endif 112 113 /* 114 * We fill to the next page, so we can discard all init 115 * pages without needing to consider what payload might be 116 * appended to the kernel image. 117 */ 118 . = ALIGN(PAGE_SIZE); 119 120 __init_end = .; 121 122 __data_end = . ; /* Move to _edata ? */ 123 BSS_SECTION(1, 1, 1) 124 125 . = ALIGN (0x20); 126 _end = .; 127 __end = .; 128 129 dram_end = dram_start + (CONFIG_ETRAX_DRAM_SIZE - __CONFIG_ETRAX_VMEM_SIZE)*1024*1024; 130 131 DISCARDS 132} 133