Subversion Repositories or1k_soc_on_altera_embedded_dev_kit

/* ld script to make x86-64 Linux kernel

 * Written by Martin Mares ;

 */

#define LOAD_OFFSET __START_KERNEL_map

#include 

#include 

#undef i386     /* in case the preprocessor is a 32bit one */

OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")

OUTPUT_ARCH(i386:x86-64)

ENTRY(phys_startup_64)

jiffies_64 = jiffies;

_proxy_pda = 1;

PHDRS {

        text PT_LOAD FLAGS(5);  /* R_E */

        data PT_LOAD FLAGS(7);  /* RWE */

        user PT_LOAD FLAGS(7);  /* RWE */

        data.init PT_LOAD FLAGS(7);     /* RWE */

        note PT_NOTE FLAGS(4);  /* R__ */

}

SECTIONS

{

  . = __START_KERNEL;

  phys_startup_64 = startup_64 - LOAD_OFFSET;

  _text = .;                    /* Text and read-only data */

  .text :  AT(ADDR(.text) - LOAD_OFFSET) {

        /* First the code that has to be first for bootstrapping */

        *(.text.head)

        _stext = .;

        /* Then the rest */

        TEXT_TEXT

        SCHED_TEXT

        LOCK_TEXT

        KPROBES_TEXT

        *(.fixup)

        *(.gnu.warning)

        } :text = 0x9090

                                /* out-of-line lock text */

  .text.lock : AT(ADDR(.text.lock) - LOAD_OFFSET) { *(.text.lock) }

  _etext = .;                   /* End of text section */

  . = ALIGN(16);                /* Exception table */

  __start___ex_table = .;

  __ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) { *(__ex_table) }

  __stop___ex_table = .;

  NOTES :text :note

  BUG_TABLE :text

  RODATA

  . = ALIGN(4);

  .tracedata : AT(ADDR(.tracedata) - LOAD_OFFSET) {

        __tracedata_start = .;

        *(.tracedata)

        __tracedata_end = .;

  }

  . = ALIGN(PAGE_SIZE);        /* Align data segment to page size boundary */

                                /* Data */

  .data : AT(ADDR(.data) - LOAD_OFFSET) {

        DATA_DATA

        CONSTRUCTORS

        } :data

  _edata = .;                   /* End of data section */

  . = ALIGN(PAGE_SIZE);

  . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);

  .data.cacheline_aligned : AT(ADDR(.data.cacheline_aligned) - LOAD_OFFSET) {

        *(.data.cacheline_aligned)

  }

  . = ALIGN(CONFIG_X86_INTERNODE_CACHE_BYTES);

  .data.read_mostly : AT(ADDR(.data.read_mostly) - LOAD_OFFSET) {

        *(.data.read_mostly)

  }

#define VSYSCALL_ADDR (-10*1024*1024)

#define VSYSCALL_PHYS_ADDR ((LOADADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))

#define VSYSCALL_VIRT_ADDR ((ADDR(.data.read_mostly) + SIZEOF(.data.read_mostly) + 4095) & ~(4095))

#define VLOAD_OFFSET (VSYSCALL_ADDR - VSYSCALL_PHYS_ADDR)

#define VLOAD(x) (ADDR(x) - VLOAD_OFFSET)

#define VVIRT_OFFSET (VSYSCALL_ADDR - VSYSCALL_VIRT_ADDR)

#define VVIRT(x) (ADDR(x) - VVIRT_OFFSET)

  . = VSYSCALL_ADDR;

  .vsyscall_0 :  AT(VSYSCALL_PHYS_ADDR) { *(.vsyscall_0) } :user

  __vsyscall_0 = VSYSCALL_VIRT_ADDR;

  . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);

  .vsyscall_fn : AT(VLOAD(.vsyscall_fn)) { *(.vsyscall_fn) }

  . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);

  .vsyscall_gtod_data : AT(VLOAD(.vsyscall_gtod_data))

                { *(.vsyscall_gtod_data) }

  vsyscall_gtod_data = VVIRT(.vsyscall_gtod_data);

  .vsyscall_clock : AT(VLOAD(.vsyscall_clock))

                { *(.vsyscall_clock) }

  vsyscall_clock = VVIRT(.vsyscall_clock);

  .vsyscall_1 ADDR(.vsyscall_0) + 1024: AT(VLOAD(.vsyscall_1))

                { *(.vsyscall_1) }

  .vsyscall_2 ADDR(.vsyscall_0) + 2048: AT(VLOAD(.vsyscall_2))

                { *(.vsyscall_2) }

  .vgetcpu_mode : AT(VLOAD(.vgetcpu_mode)) { *(.vgetcpu_mode) }

  vgetcpu_mode = VVIRT(.vgetcpu_mode);

  . = ALIGN(CONFIG_X86_L1_CACHE_BYTES);

  .jiffies : AT(VLOAD(.jiffies)) { *(.jiffies) }

  jiffies = VVIRT(.jiffies);

  .vsyscall_3 ADDR(.vsyscall_0) + 3072: AT(VLOAD(.vsyscall_3))

                { *(.vsyscall_3) }

  . = VSYSCALL_VIRT_ADDR + 4096;

#undef VSYSCALL_ADDR

#undef VSYSCALL_PHYS_ADDR

#undef VSYSCALL_VIRT_ADDR

#undef VLOAD_OFFSET

#undef VLOAD

#undef VVIRT_OFFSET

#undef VVIRT

  . = ALIGN(8192);              /* init_task */

  .data.init_task : AT(ADDR(.data.init_task) - LOAD_OFFSET) {

        *(.data.init_task)

  }:data.init

  . = ALIGN(4096);

  .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET) {

        *(.data.page_aligned)

  }

  /* might get freed after init */

  . = ALIGN(4096);

  __smp_alt_begin = .;

  __smp_locks = .;

  .smp_locks : AT(ADDR(.smp_locks) - LOAD_OFFSET) {

        *(.smp_locks)

  }

  __smp_locks_end = .;

  . = ALIGN(4096);

  __smp_alt_end = .;

  . = ALIGN(4096);              /* Init code and data */

  __init_begin = .;

  .init.text : AT(ADDR(.init.text) - LOAD_OFFSET) {

        _sinittext = .;

        *(.init.text)

        _einittext = .;

  }

  __initdata_begin = .;

  .init.data : AT(ADDR(.init.data) - LOAD_OFFSET) { *(.init.data) }

  __initdata_end = .;

  . = ALIGN(16);

  __setup_start = .;

  .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET) { *(.init.setup) }

  __setup_end = .;

  __initcall_start = .;

  .initcall.init : AT(ADDR(.initcall.init) - LOAD_OFFSET) {

        INITCALLS

  }

  __initcall_end = .;

  __con_initcall_start = .;

  .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET) {

        *(.con_initcall.init)

  }

  __con_initcall_end = .;

  SECURITY_INIT

  . = ALIGN(8);

  __alt_instructions = .;

  .altinstructions : AT(ADDR(.altinstructions) - LOAD_OFFSET) {

        *(.altinstructions)

  }

  __alt_instructions_end = .;

  .altinstr_replacement : AT(ADDR(.altinstr_replacement) - LOAD_OFFSET) {

        *(.altinstr_replacement)

  }

  /* .exit.text is discard at runtime, not link time, to deal with references

     from .altinstructions and .eh_frame */

  .exit.text : AT(ADDR(.exit.text) - LOAD_OFFSET) { *(.exit.text) }

  .exit.data : AT(ADDR(.exit.data) - LOAD_OFFSET) { *(.exit.data) }

/* vdso blob that is mapped into user space */

  vdso_start = . ;

  .vdso  : AT(ADDR(.vdso) - LOAD_OFFSET) { *(.vdso) }

  . = ALIGN(4096);

  vdso_end = .;

#ifdef CONFIG_BLK_DEV_INITRD

  . = ALIGN(4096);

  __initramfs_start = .;

  .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET) { *(.init.ramfs) }

  __initramfs_end = .;

#endif

  PERCPU(4096)

  . = ALIGN(4096);

  __init_end = .;

  . = ALIGN(4096);

  __nosave_begin = .;

  .data_nosave : AT(ADDR(.data_nosave) - LOAD_OFFSET) { *(.data.nosave) }

  . = ALIGN(4096);

  __nosave_end = .;

  __bss_start = .;              /* BSS */

  .bss : AT(ADDR(.bss) - LOAD_OFFSET) {

        *(.bss.page_aligned)

        *(.bss)

        }

  __bss_stop = .;

  _end = . ;

  /* Sections to be discarded */

  /DISCARD/ : {

        *(.exitcall.exit)

        *(.eh_frame)

        }

  STABS_DEBUG

  DWARF_DEBUG

}