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ca5999fde0
The include/linux/pgtable.h is going to be the home of generic page table manipulation functions. Start with moving asm-generic/pgtable.h to include/linux/pgtable.h and make the latter include asm/pgtable.h. Signed-off-by: Mike Rapoport <rppt@linux.ibm.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Cc: Arnd Bergmann <arnd@arndb.de> Cc: Borislav Petkov <bp@alien8.de> Cc: Brian Cain <bcain@codeaurora.org> Cc: Catalin Marinas <catalin.marinas@arm.com> Cc: Chris Zankel <chris@zankel.net> Cc: "David S. Miller" <davem@davemloft.net> Cc: Geert Uytterhoeven <geert@linux-m68k.org> Cc: Greentime Hu <green.hu@gmail.com> Cc: Greg Ungerer <gerg@linux-m68k.org> Cc: Guan Xuetao <gxt@pku.edu.cn> Cc: Guo Ren <guoren@kernel.org> Cc: Heiko Carstens <heiko.carstens@de.ibm.com> Cc: Helge Deller <deller@gmx.de> Cc: Ingo Molnar <mingo@redhat.com> Cc: Ley Foon Tan <ley.foon.tan@intel.com> Cc: Mark Salter <msalter@redhat.com> Cc: Matthew Wilcox <willy@infradead.org> Cc: Matt Turner <mattst88@gmail.com> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: Michael Ellerman <mpe@ellerman.id.au> Cc: Michal Simek <monstr@monstr.eu> Cc: Nick Hu <nickhu@andestech.com> Cc: Paul Walmsley <paul.walmsley@sifive.com> Cc: Richard Weinberger <richard@nod.at> Cc: Rich Felker <dalias@libc.org> Cc: Russell King <linux@armlinux.org.uk> Cc: Stafford Horne <shorne@gmail.com> Cc: Thomas Bogendoerfer <tsbogend@alpha.franken.de> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Tony Luck <tony.luck@intel.com> Cc: Vincent Chen <deanbo422@gmail.com> Cc: Vineet Gupta <vgupta@synopsys.com> Cc: Will Deacon <will@kernel.org> Cc: Yoshinori Sato <ysato@users.sourceforge.jp> Link: http://lkml.kernel.org/r/20200514170327.31389-3-rppt@kernel.org Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
174 lines
3.3 KiB
ArmAsm
174 lines
3.3 KiB
ArmAsm
/* SPDX-License-Identifier: GPL-2.0 */
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/* ld script to make ARM Linux kernel
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* taken from the i386 version by Russell King
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* Written by Martin Mares <mj@atrey.karlin.mff.cuni.cz>
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*/
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#ifdef CONFIG_XIP_KERNEL
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#include "vmlinux-xip.lds.S"
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#else
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#include <asm-generic/vmlinux.lds.h>
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#include <asm/cache.h>
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#include <asm/thread_info.h>
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#include <asm/memory.h>
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#include <asm/mpu.h>
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#include <asm/page.h>
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#include <linux/pgtable.h>
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#include "vmlinux.lds.h"
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OUTPUT_ARCH(arm)
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ENTRY(stext)
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#ifndef __ARMEB__
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jiffies = jiffies_64;
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#else
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jiffies = jiffies_64 + 4;
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#endif
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SECTIONS
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{
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/*
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* XXX: The linker does not define how output sections are
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* assigned to input sections when there are multiple statements
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* matching the same input section name. There is no documented
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* order of matching.
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*
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* unwind exit sections must be discarded before the rest of the
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* unwind sections get included.
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*/
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/DISCARD/ : {
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ARM_DISCARD
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#ifndef CONFIG_SMP_ON_UP
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*(.alt.smp.init)
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#endif
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}
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. = PAGE_OFFSET + TEXT_OFFSET;
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.head.text : {
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_text = .;
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HEAD_TEXT
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}
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#ifdef CONFIG_STRICT_KERNEL_RWX
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. = ALIGN(1<<SECTION_SHIFT);
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#endif
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#ifdef CONFIG_ARM_MPU
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. = ALIGN(PMSAv8_MINALIGN);
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#endif
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.text : { /* Real text segment */
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_stext = .; /* Text and read-only data */
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ARM_TEXT
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}
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#ifdef CONFIG_DEBUG_ALIGN_RODATA
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. = ALIGN(1<<SECTION_SHIFT);
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#endif
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_etext = .; /* End of text section */
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RO_DATA(PAGE_SIZE)
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. = ALIGN(4);
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__ex_table : AT(ADDR(__ex_table) - LOAD_OFFSET) {
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__start___ex_table = .;
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ARM_MMU_KEEP(*(__ex_table))
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__stop___ex_table = .;
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}
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#ifdef CONFIG_ARM_UNWIND
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ARM_UNWIND_SECTIONS
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#endif
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#ifdef CONFIG_STRICT_KERNEL_RWX
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. = ALIGN(1<<SECTION_SHIFT);
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#else
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. = ALIGN(PAGE_SIZE);
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#endif
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__init_begin = .;
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ARM_VECTORS
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INIT_TEXT_SECTION(8)
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.exit.text : {
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ARM_EXIT_KEEP(EXIT_TEXT)
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}
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.init.proc.info : {
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ARM_CPU_DISCARD(PROC_INFO)
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}
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.init.arch.info : {
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__arch_info_begin = .;
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*(.arch.info.init)
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__arch_info_end = .;
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}
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.init.tagtable : {
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__tagtable_begin = .;
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*(.taglist.init)
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__tagtable_end = .;
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}
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#ifdef CONFIG_SMP_ON_UP
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.init.smpalt : {
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__smpalt_begin = .;
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*(.alt.smp.init)
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__smpalt_end = .;
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}
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#endif
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.init.pv_table : {
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__pv_table_begin = .;
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*(.pv_table)
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__pv_table_end = .;
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}
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INIT_DATA_SECTION(16)
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.exit.data : {
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ARM_EXIT_KEEP(EXIT_DATA)
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}
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#ifdef CONFIG_SMP
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PERCPU_SECTION(L1_CACHE_BYTES)
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#endif
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#ifdef CONFIG_HAVE_TCM
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ARM_TCM
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#endif
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#ifdef CONFIG_STRICT_KERNEL_RWX
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. = ALIGN(1<<SECTION_SHIFT);
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#else
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. = ALIGN(THREAD_SIZE);
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#endif
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__init_end = .;
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_sdata = .;
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RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
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_edata = .;
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BSS_SECTION(0, 0, 0)
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#ifdef CONFIG_ARM_MPU
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. = ALIGN(PMSAv8_MINALIGN);
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#endif
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_end = .;
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STABS_DEBUG
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}
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#ifdef CONFIG_STRICT_KERNEL_RWX
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/*
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* Without CONFIG_DEBUG_ALIGN_RODATA, __start_rodata_section_aligned will
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* be the first section-aligned location after __start_rodata. Otherwise,
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* it will be equal to __start_rodata.
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*/
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__start_rodata_section_aligned = ALIGN(__start_rodata, 1 << SECTION_SHIFT);
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#endif
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/*
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* These must never be empty
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* If you have to comment these two assert statements out, your
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* binutils is too old (for other reasons as well)
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*/
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ASSERT((__proc_info_end - __proc_info_begin), "missing CPU support")
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ASSERT((__arch_info_end - __arch_info_begin), "no machine record defined")
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#endif /* CONFIG_XIP_KERNEL */
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