2f47f44790
This provides a method for supporting fixed PMB mappings inherited from the bootloader, as an alternative to the dynamic PMB mapping currently used by the kernel. In the future these methods will be combined. P1/P2 area is handled like a regular 29-bit physical address, and local bus device are assigned P3 area addresses. Signed-off-by: Yoshihiro Shimoda <shimoda.yoshihiro@renesas.com> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
155 lines
3.0 KiB
ArmAsm
155 lines
3.0 KiB
ArmAsm
/*
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* ld script to make SuperH Linux kernel
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* Written by Niibe Yutaka
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*/
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#include <asm/thread_info.h>
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#include <asm/cache.h>
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#include <asm-generic/vmlinux.lds.h>
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#ifdef CONFIG_CPU_LITTLE_ENDIAN
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OUTPUT_FORMAT("elf32-sh-linux", "elf32-sh-linux", "elf32-sh-linux")
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#else
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OUTPUT_FORMAT("elf32-shbig-linux", "elf32-shbig-linux", "elf32-shbig-linux")
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#endif
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OUTPUT_ARCH(sh)
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ENTRY(_start)
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SECTIONS
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{
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#ifdef CONFIG_PMB_FIXED
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. = CONFIG_PAGE_OFFSET + (CONFIG_MEMORY_START & 0x1fffffff) +
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CONFIG_ZERO_PAGE_OFFSET;
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#elif defined(CONFIG_32BIT)
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. = CONFIG_PAGE_OFFSET + CONFIG_ZERO_PAGE_OFFSET;
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#else
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. = CONFIG_PAGE_OFFSET + CONFIG_MEMORY_START + CONFIG_ZERO_PAGE_OFFSET;
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#endif
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_text = .; /* Text and read-only data */
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.empty_zero_page : {
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*(.empty_zero_page)
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} = 0
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.text : {
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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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} = 0x0009
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. = ALIGN(16); /* Exception table */
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__start___ex_table = .;
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__ex_table : { *(__ex_table) }
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__stop___ex_table = .;
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_etext = .; /* End of text section */
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NOTES
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RO_DATA(PAGE_SIZE)
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/*
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* Code which must be executed uncached and the associated data
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*/
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. = ALIGN(PAGE_SIZE);
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__uncached_start = .;
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.uncached.text : { *(.uncached.text) }
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.uncached.data : { *(.uncached.data) }
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__uncached_end = .;
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. = ALIGN(THREAD_SIZE);
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.data : { /* Data */
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*(.data.init_task)
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. = ALIGN(L1_CACHE_BYTES);
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*(.data.cacheline_aligned)
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. = ALIGN(L1_CACHE_BYTES);
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*(.data.read_mostly)
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. = ALIGN(PAGE_SIZE);
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*(.data.page_aligned)
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__nosave_begin = .;
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*(.data.nosave)
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. = ALIGN(PAGE_SIZE);
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__nosave_end = .;
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DATA_DATA
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CONSTRUCTORS
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}
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_edata = .; /* End of data section */
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. = ALIGN(PAGE_SIZE); /* Init code and data */
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__init_begin = .;
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_sinittext = .;
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.init.text : { INIT_TEXT }
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_einittext = .;
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.init.data : { INIT_DATA }
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. = ALIGN(16);
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__setup_start = .;
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.init.setup : { *(.init.setup) }
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__setup_end = .;
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__initcall_start = .;
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.initcall.init : {
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INITCALLS
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}
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__initcall_end = .;
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__con_initcall_start = .;
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.con_initcall.init : { *(.con_initcall.init) }
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__con_initcall_end = .;
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SECURITY_INIT
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#ifdef CONFIG_BLK_DEV_INITRD
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. = ALIGN(PAGE_SIZE);
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__initramfs_start = .;
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.init.ramfs : { *(.init.ramfs) }
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__initramfs_end = .;
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#endif
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. = ALIGN(4);
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__machvec_start = .;
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.machvec.init : { *(.machvec.init) }
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__machvec_end = .;
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PERCPU(PAGE_SIZE)
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/*
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* .exit.text is discarded at runtime, not link time, to deal with
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* references from __bug_table
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*/
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.exit.text : { EXIT_TEXT }
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.exit.data : { EXIT_DATA }
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. = ALIGN(PAGE_SIZE);
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.bss : {
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__init_end = .;
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__bss_start = .; /* BSS */
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*(.bss.page_aligned)
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*(.bss)
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*(COMMON)
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. = ALIGN(4);
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_ebss = .; /* uClinux MTD sucks */
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_end = . ;
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}
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/*
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* When something in the kernel is NOT compiled as a module, the
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* module cleanup code and data are put into these segments. Both
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* can then be thrown away, as cleanup code is never called unless
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* it's a module.
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*/
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/DISCARD/ : {
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*(.exitcall.exit)
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}
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STABS_DEBUG
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DWARF_DEBUG
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}
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