0778dc3a62
We need an alignment of 16384 bytes for the initial kernel stack if the kernel is configured for 16384 bytes stacks but the linker script currently guarantees only an alignment of 8192 bytes. So fix this and simply use THREAD_SIZE as alignment value which will always do the right thing. Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
167 lines
2.7 KiB
ArmAsm
167 lines
2.7 KiB
ArmAsm
/* ld script to make s390 Linux kernel
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* Written by Martin Schwidefsky (schwidefsky@de.ibm.com)
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*/
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#include <asm/thread_info.h>
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#include <asm/page.h>
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#include <asm-generic/vmlinux.lds.h>
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#ifndef CONFIG_64BIT
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OUTPUT_FORMAT("elf32-s390", "elf32-s390", "elf32-s390")
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OUTPUT_ARCH(s390)
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ENTRY(_start)
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jiffies = jiffies_64 + 4;
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#else
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OUTPUT_FORMAT("elf64-s390", "elf64-s390", "elf64-s390")
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OUTPUT_ARCH(s390:64-bit)
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ENTRY(_start)
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jiffies = jiffies_64;
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#endif
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PHDRS {
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text PT_LOAD FLAGS(5); /* R_E */
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data PT_LOAD FLAGS(7); /* RWE */
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note PT_NOTE FLAGS(0); /* ___ */
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}
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SECTIONS
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{
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. = 0x00000000;
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.text : {
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_text = .; /* Text and read-only data */
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*(.text.head)
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TEXT_TEXT
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SCHED_TEXT
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LOCK_TEXT
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KPROBES_TEXT
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*(.fixup)
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*(.gnu.warning)
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} :text = 0x0700
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_etext = .; /* End of text section */
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NOTES :text :note
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RODATA
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#ifdef CONFIG_SHARED_KERNEL
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. = ALIGN(0x100000); /* VM shared segments are 1MB aligned */
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#endif
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. = ALIGN(PAGE_SIZE);
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_eshared = .; /* End of shareable data */
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. = ALIGN(16); /* Exception table */
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__ex_table : {
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__start___ex_table = .;
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*(__ex_table)
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__stop___ex_table = .;
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} :data
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.data : { /* Data */
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DATA_DATA
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CONSTRUCTORS
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}
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. = ALIGN(PAGE_SIZE);
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.data_nosave : {
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__nosave_begin = .;
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*(.data.nosave)
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}
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. = ALIGN(PAGE_SIZE);
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__nosave_end = .;
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. = ALIGN(PAGE_SIZE);
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.data.page_aligned : {
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*(.data.idt)
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}
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. = ALIGN(0x100);
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.data.cacheline_aligned : {
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*(.data.cacheline_aligned)
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}
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. = ALIGN(0x100);
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.data.read_mostly : {
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*(.data.read_mostly)
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}
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_edata = .; /* End of data section */
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. = ALIGN(THREAD_SIZE); /* init_task */
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.data.init_task : {
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*(.data.init_task)
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}
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/* will be freed after init */
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. = ALIGN(PAGE_SIZE); /* Init code and data */
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__init_begin = .;
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.init.text : {
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_sinittext = .;
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INIT_TEXT
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_einittext = .;
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}
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/*
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* .exit.text is discarded at runtime, not link time,
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* to deal with references from __bug_table
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*/
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.exit.text : {
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EXIT_TEXT
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}
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.init.data : {
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INIT_DATA
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}
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. = ALIGN(0x100);
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.init.setup : {
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__setup_start = .;
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*(.init.setup)
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__setup_end = .;
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}
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.initcall.init : {
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__initcall_start = .;
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INITCALLS
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__initcall_end = .;
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}
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.con_initcall.init : {
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__con_initcall_start = .;
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*(.con_initcall.init)
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__con_initcall_end = .;
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}
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SECURITY_INIT
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#ifdef CONFIG_BLK_DEV_INITRD
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. = ALIGN(0x100);
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.init.ramfs : {
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__initramfs_start = .;
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*(.init.ramfs)
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. = ALIGN(2);
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__initramfs_end = .;
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}
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#endif
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PERCPU(PAGE_SIZE)
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. = ALIGN(PAGE_SIZE);
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__init_end = .; /* freed after init ends here */
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/* BSS */
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.bss : {
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__bss_start = .;
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*(.bss)
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. = ALIGN(2);
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__bss_stop = .;
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}
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_end = . ;
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/* Sections to be discarded */
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/DISCARD/ : {
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EXIT_DATA
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*(.exitcall.exit)
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}
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/* Debugging sections. */
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STABS_DEBUG
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DWARF_DEBUG
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}
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