LXR qemu/tests/tcg/xtensa/linker.ld.S

   1#include "core-isa.h"
   2
   3#ifndef XCHAL_VECBASE_RESET_VADDR
   4#define XCHAL_VECBASE_RESET_VADDR XCHAL_WINDOW_VECTORS_VADDR
   5#define XCHAL_WINDOW_OF4_VECOFS   0x00000000
   6#define XCHAL_WINDOW_UF4_VECOFS   0x00000040
   7#define XCHAL_WINDOW_OF8_VECOFS   0x00000080
   8#define XCHAL_WINDOW_UF8_VECOFS   0x000000C0
   9#define XCHAL_WINDOW_OF12_VECOFS  0x00000100
  10#define XCHAL_WINDOW_UF12_VECOFS  0x00000140
  11#endif
  12
  13#define RAM_SIZE 0x08000000  /* 128M */
  14#define ROM_SIZE 0x00001000  /* 4k */
  15#define VECTORS_RESERVED_SIZE 0x1000
  16
  17#if XCHAL_HAVE_BE
  18OUTPUT_FORMAT("elf32-xtensa-be")
  19#else
  20OUTPUT_FORMAT("elf32-xtensa-le")
  21#endif
  22ENTRY(_start)
  23
  24MEMORY {
  25    ram : ORIGIN = XCHAL_VECBASE_RESET_VADDR, LENGTH = RAM_SIZE
  26    rom : ORIGIN = XCHAL_RESET_VECTOR_VADDR, LENGTH = ROM_SIZE
  27}
  28
  29SECTIONS
  30{
  31    .init :
  32    {
  33        *(.init)
  34        *(.init.*)
  35    } > rom
  36
  37#if XCHAL_HAVE_WINDOWED
  38    .vector.window XCHAL_WINDOW_VECTORS_VADDR :
  39    {
  40    . = XCHAL_WINDOW_OF4_VECOFS;
  41        *(.vector.window_overflow_4)
  42    . = XCHAL_WINDOW_UF4_VECOFS;
  43        *(.vector.window_underflow_4)
  44    . = XCHAL_WINDOW_OF8_VECOFS;
  45        *(.vector.window_overflow_8)
  46    . = XCHAL_WINDOW_UF8_VECOFS;
  47        *(.vector.window_underflow_8)
  48    . = XCHAL_WINDOW_OF12_VECOFS;
  49        *(.vector.window_overflow_12)
  50    . = XCHAL_WINDOW_UF12_VECOFS;
  51        *(.vector.window_underflow_12)
  52    }
  53#endif
  54#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 2
  55    .vector.level2 XCHAL_INTLEVEL2_VECTOR_VADDR :
  56    {
  57        *(.vector.level2)
  58    }
  59#endif
  60#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 3
  61    .vector.level3 XCHAL_INTLEVEL3_VECTOR_VADDR :
  62    {
  63        *(.vector.level3)
  64    }
  65#endif
  66#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 4
  67    .vector.level4 XCHAL_INTLEVEL4_VECTOR_VADDR :
  68    {
  69        *(.vector.level4)
  70    }
  71#endif
  72#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 5
  73    .vector.level5 XCHAL_INTLEVEL5_VECTOR_VADDR :
  74    {
  75        *(.vector.level5)
  76    }
  77#endif
  78#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 6
  79    .vector.level6 XCHAL_INTLEVEL6_VECTOR_VADDR :
  80    {
  81        *(.vector.level6)
  82    }
  83#endif
  84#if XCHAL_NUM_INTLEVELS + XCHAL_HAVE_NMI >= 7
  85    .vector.level7 XCHAL_INTLEVEL7_VECTOR_VADDR :
  86    {
  87        *(.vector.level7)
  88    }
  89#endif
  90    .vector.kernel XCHAL_KERNEL_VECTOR_VADDR :
  91    {
  92        *(.vector.kernel)
  93    }
  94    .vector.user XCHAL_USER_VECTOR_VADDR :
  95    {
  96        *(.vector.user)
  97    }
  98    .vector.double XCHAL_DOUBLEEXC_VECTOR_VADDR :
  99    {
 100        *(.vector.double)
 101    }
 102
 103    .vector.text XCHAL_VECBASE_RESET_VADDR + VECTORS_RESERVED_SIZE :
 104    {
 105        *(.vector.window_overflow_4.*)
 106        *(.vector.window_underflow_4.*)
 107        *(.vector.window_overflow_8.*)
 108        *(.vector.window_underflow_8.*)
 109        *(.vector.window_overflow_12.*)
 110        *(.vector.window_underflow_12.*)
 111
 112        *(.vector.level2.*)
 113        *(.vector.level3.*)
 114        *(.vector.level4.*)
 115        *(.vector.level5.*)
 116        *(.vector.level6.*)
 117        *(.vector.level7.*)
 118
 119        *(.vector.kernel.*)
 120        *(.vector.user.*)
 121        *(.vector.double.*)
 122    } > ram
 123
 124    .text :
 125    {
 126        _ftext = .;
 127        *(.text .stub .text.* .gnu.linkonce.t.* .literal .literal.*)
 128        _etext = .;
 129    } > ram
 130
 131    .rodata :
 132    {
 133        . = ALIGN(4);
 134        _frodata = .;
 135        *(.rodata .rodata.* .gnu.linkonce.r.*)
 136        *(.rodata1)
 137        _erodata = .;
 138    } > ram
 139
 140    .data :
 141    {
 142        . = ALIGN(4);
 143        _fdata = .;
 144        *(.data .data.* .gnu.linkonce.d.*)
 145        *(.data1)
 146        _gp = ALIGN(16);
 147        *(.sdata .sdata.* .gnu.linkonce.s.*)
 148        _edata = .;
 149    } > ram
 150
 151    .bss :
 152    {
 153        . = ALIGN(4);
 154        _fbss = .;
 155        *(.dynsbss)
 156        *(.sbss .sbss.* .gnu.linkonce.sb.*)
 157        *(.scommon)
 158        *(.dynbss)
 159        *(.bss .bss.* .gnu.linkonce.b.*)
 160        *(COMMON)
 161        _ebss = .;
 162        _end = .;
 163    } > ram
 164}
 165
 166PROVIDE(_fstack = (ORIGIN(ram) & 0xf0000000) + LENGTH(ram) - 16);
 167