dbee90b7f9
Very much to my surprise Fuxin Zhang reports this is all it takes to get
the kernel to work for page sizes larger than 4kB. This also paves the
way for support for the R6000 and R8000 which don't support 4kB page size.
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
171 lines
4 KiB
ArmAsm
171 lines
4 KiB
ArmAsm
#include <linux/config.h>
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#include <asm/asm-offsets.h>
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#include <asm-generic/vmlinux.lds.h>
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#undef mips /* CPP really sucks for this job */
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#define mips mips
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OUTPUT_ARCH(mips)
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ENTRY(kernel_entry)
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jiffies = JIFFIES;
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SECTIONS
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{
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#ifdef CONFIG_BOOT_ELF64
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/* Read-only sections, merged into text segment: */
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/* . = 0xc000000000000000; */
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/* This is the value for an Origin kernel, taken from an IRIX kernel. */
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/* . = 0xc00000000001c000; */
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/* Set the vaddr for the text segment to a value
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>= 0xa800 0000 0001 9000 if no symmon is going to configured
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>= 0xa800 0000 0030 0000 otherwise */
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/* . = 0xa800000000300000; */
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/* . = 0xa800000000300000; */
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. = 0xffffffff80300000;
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#endif
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. = LOADADDR;
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/* read-only */
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_text = .; /* Text and read-only data */
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.text : {
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*(.text)
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SCHED_TEXT
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LOCK_TEXT
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*(.fixup)
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*(.gnu.warning)
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} =0
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_etext = .; /* End of text section */
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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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__start___dbe_table = .; /* Exception table for data bus errors */
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__dbe_table : { *(__dbe_table) }
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__stop___dbe_table = .;
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RODATA
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/* writeable */
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.data : { /* Data */
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. = . + DATAOFFSET; /* for CONFIG_MAPPED_KERNEL */
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*(.data.init_task)
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*(.data)
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CONSTRUCTORS
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}
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_gp = . + 0x8000;
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.lit8 : { *(.lit8) }
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.lit4 : { *(.lit4) }
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/* We want the small data sections together, so single-instruction offsets
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can access them all, and initialized data all before uninitialized, so
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we can shorten the on-disk segment size. */
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.sdata : { *(.sdata) }
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. = ALIGN(_PAGE_SIZE);
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__nosave_begin = .;
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.data_nosave : { *(.data.nosave) }
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. = ALIGN(_PAGE_SIZE);
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__nosave_end = .;
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. = ALIGN(32);
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.data.cacheline_aligned : { *(.data.cacheline_aligned) }
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_edata = .; /* End of data section */
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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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.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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*(.initcall1.init)
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*(.initcall2.init)
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*(.initcall3.init)
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*(.initcall4.init)
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*(.initcall5.init)
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*(.initcall6.init)
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*(.initcall7.init)
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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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. = 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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. = ALIGN(32);
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__per_cpu_start = .;
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.data.percpu : { *(.data.percpu) }
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__per_cpu_end = .;
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. = ALIGN(_PAGE_SIZE);
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__init_end = .;
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/* freed after init ends here */
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__bss_start = .; /* BSS */
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.sbss : {
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*(.sbss)
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*(.scommon)
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}
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.bss : {
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*(.bss)
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*(COMMON)
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}
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__bss_stop = .;
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_end = . ;
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/* Sections to be discarded */
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/DISCARD/ : {
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*(.exit.text)
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*(.exit.data)
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*(.exitcall.exit)
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/* ABI crap starts here */
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*(.comment)
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*(.MIPS.options)
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*(.note)
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*(.options)
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*(.pdr)
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*(.reginfo)
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*(.mdebug*)
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}
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/* This is the MIPS specific mdebug section. */
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.mdebug : { *(.mdebug) }
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/* These are needed for ELF backends which have not yet been
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converted to the new style linker. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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/* DWARF debug sections.
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Symbols in the .debug DWARF section are relative to the beginning of the
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section so we begin .debug at 0. It's not clear yet what needs to happen
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for the others. */
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.debug 0 : { *(.debug) }
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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.line 0 : { *(.line) }
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/* These must appear regardless of . */
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.gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
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.gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
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.comment : { *(.comment) }
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.note : { *(.note) }
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}
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