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      1  1.31      manu /*	$NetBSD: kern.ldscript,v 1.31 2020/01/09 00:42:24 manu Exp $	*/
      2   1.1      fvdl 
      3  1.15  uebayasi #include "assym.h"
      4  1.15  uebayasi 
      5  1.17      maxv /*
      6  1.17      maxv  * PAE is enabled by default on amd64, the large page size is therefore
      7  1.17      maxv  * 2MB (and not 4MB!).
      8  1.17      maxv  */
      9  1.17      maxv 
     10  1.17      maxv __PAGE_SIZE = 0x1000 ;
     11  1.17      maxv __LARGE_PAGE_SIZE = 0x200000 ;
     12  1.17      maxv 
     13   1.1      fvdl ENTRY(_start)
     14   1.1      fvdl SECTIONS
     15   1.1      fvdl {
     16  1.31      manu 	.text : AT (ADDR(.text) & 0x0fffffff)
     17  1.16      maxv 	{
     18  1.29      manu 		. = ALIGN(__PAGE_SIZE);
     19  1.26      maxv 		__text_user_start = . ;
     20  1.26      maxv 		*(.text.user)
     21  1.26      maxv 		. = ALIGN(__PAGE_SIZE);
     22  1.26      maxv 		__text_user_end = . ;
     23  1.26      maxv 
     24  1.16      maxv 		*(.text)
     25  1.16      maxv 		*(.text.*)
     26  1.16      maxv 		*(.stub)
     27  1.24      maxv 		. = ALIGN(__LARGE_PAGE_SIZE);
     28  1.24      maxv 	} =0xCC
     29  1.16      maxv 	_etext = . ;
     30  1.16      maxv 	PROVIDE (etext = .) ;
     31  1.16      maxv 
     32  1.19      maxv 	/*
     33  1.19      maxv 	 * Push the rodata segment up to the next large page boundary so that we
     34  1.19      maxv 	 * can map the text segment with large pages.
     35  1.19      maxv 	 */
     36  1.19      maxv 	. = ALIGN(__LARGE_PAGE_SIZE);
     37  1.19      maxv 
     38  1.18      maxv 	__rodata_start = . ;
     39  1.25      maxv 
     40  1.25      maxv 	.rodata.hotpatch :
     41  1.25      maxv 	{
     42  1.25      maxv 		__rodata_hotpatch_start = . ;
     43  1.25      maxv 		*(.rodata.hotpatch)
     44  1.25      maxv 		__rodata_hotpatch_end = . ;
     45  1.25      maxv 	}
     46  1.25      maxv 
     47  1.16      maxv 	.rodata :
     48  1.16      maxv 	{
     49  1.16      maxv 		*(.rodata)
     50  1.16      maxv 		*(.rodata.*)
     51  1.27      maxv 		. = ALIGN(COHERENCY_UNIT);
     52  1.27      maxv 		__CTOR_LIST__ = .;
     53  1.27      maxv 		*(.ctors)
     54  1.27      maxv 		__CTOR_END__ = .;
     55  1.16      maxv 	}
     56  1.16      maxv 
     57  1.22      maxv 	. = ALIGN(__LARGE_PAGE_SIZE);
     58  1.20      maxv 
     59  1.16      maxv 	__data_start = . ;
     60  1.16      maxv 	.data :
     61  1.16      maxv 	{
     62  1.16      maxv 		*(.data)
     63  1.16      maxv 	}
     64  1.16      maxv 
     65  1.16      maxv 	. = ALIGN(COHERENCY_UNIT);
     66  1.16      maxv 	.data.cacheline_aligned :
     67  1.16      maxv 	{
     68  1.16      maxv 		*(.data.cacheline_aligned)
     69  1.16      maxv 	}
     70  1.16      maxv 	. = ALIGN(COHERENCY_UNIT);
     71  1.16      maxv 	.data.read_mostly :
     72  1.16      maxv 	{
     73  1.16      maxv 		*(.data.read_mostly)
     74  1.16      maxv 	}
     75  1.16      maxv 	. = ALIGN(COHERENCY_UNIT);
     76  1.16      maxv 
     77  1.16      maxv 	_edata = . ;
     78  1.16      maxv 	PROVIDE (edata = .) ;
     79  1.16      maxv 	__bss_start = . ;
     80  1.16      maxv 	.bss :
     81  1.16      maxv 	{
     82  1.16      maxv 		*(.bss)
     83  1.16      maxv 		*(.bss.*)
     84  1.16      maxv 		*(COMMON)
     85  1.23      maxv 		. = ALIGN(__LARGE_PAGE_SIZE);
     86  1.16      maxv 	}
     87  1.21      maxv 
     88  1.23      maxv 	. = ALIGN(__PAGE_SIZE);
     89  1.21      maxv 
     90  1.21      maxv 	/* End of the kernel image */
     91  1.21      maxv 	__kernel_end = . ;
     92  1.21      maxv 
     93  1.16      maxv 	_end = . ;
     94  1.16      maxv 	PROVIDE (end = .) ;
     95  1.16      maxv 	.note.netbsd.ident :
     96  1.16      maxv 	{
     97  1.16      maxv 		KEEP(*(.note.netbsd.ident));
     98  1.16      maxv 	}
     99   1.1      fvdl }
    100  1.16      maxv 
    101