ld/scripttempl/ip2k.sc

   1 # Copyright (C) 2014-2016 Free Software Foundation, Inc.
   2 #
   3 # Copying and distribution of this file, with or without modification,
   4 # are permitted in any medium without royalty provided the copyright
   5 # notice and this notice are preserved.
   6
   7 cat << EOF
   8 /* Copyright (C) 2014-2016 Free Software Foundation, Inc.
   9
  10    Copying and distribution of this script, with or without modification,
  11    are permitted in any medium without royalty provided the copyright
  12    notice and this notice are preserved.  */
  13
  14 OUTPUT_FORMAT("elf32-ip2k", "elf32-ip2k", "elf32-ip2k")
  15 OUTPUT_ARCH(ip2k)
  16 ${RELOCATING+ENTRY(_start)}
  17 SEARCH_DIR(.);
  18
  19 /* IP2022 default linker script.  */
  20
  21 MEMORY
  22 {
  23         D_GPR    : org = 0x01000080, len = 128
  24         D_RAM    : org = 0x01000100, len = 4K - 256
  25         P_RAM    : org = 0x02000000, len = 16K
  26         P_ROM    : org = 0x02010000, len = 64K - 32
  27         P_RESET  : org = 0x0201FFE0, len = 32
  28         P_CONFIG : org = 0x02020000, len = 128
  29 }
  30
  31 SECTIONS
  32 {
  33         /* Allocated memory end markers
  34            (initialized to start of appropiate memory address).  */
  35         __data_end  = 0x01000100;
  36         __pram_end  = 0x02000000;
  37         __flash_end = 0x02010000;
  38
  39         /* Global general purpose registers in direct addressing range.  */
  40         .gpr 0x01000080 :
  41         {
  42                 *(.gpr)
  43         } >D_GPR
  44
  45         /* Pre-allocated, pre-initialized data memory.  */
  46         __data_run_begin = __data_end;
  47         __data_load_begin = (__flash_end + 1) & 0xFFFFFFFE;
  48         .data __data_run_begin : AT (__data_load_begin)
  49         {
  50                 * (.data);
  51                 * (.rodata)
  52         } >D_RAM
  53         __data_run_end  = __data_run_begin  + SIZEOF(.data);
  54         __data_load_end = __data_load_begin + SIZEOF(.data);
  55         __data_end      = __data_run_end;
  56         __flash_end     = __data_load_end;
  57
  58         /* Pre-allocated, uninitialized data memory.  */
  59         __bss_begin = __data_end;
  60         .bss __bss_begin :
  61         {
  62                 * (.bss)
  63         } >D_RAM
  64         __bss_end  = __bss_begin + SIZEOF(.bss);
  65         __data_end = __bss_end;
  66
  67         /* Pre-allocated PRAM data memory.  */
  68         __pram_data_begin = (__pram_end + 1) & 0xFFFFFFFE;
  69         .pram_data __pram_data_begin :
  70         {
  71                 * (.pram_data)
  72         } >P_RAM
  73         __pram_data_end = __pram_data_begin + SIZEOF(.pram_data);
  74         __pram_end      = __pram_data_end;
  75
  76         /* PRAM code.  */
  77         __pram_run_begin  = (__pram_end + 1) & 0xFFFFFFFE;
  78         __pram_load_begin = (__flash_end + 1) & 0xFFFFFFFE;
  79         .pram __pram_run_begin : AT (__pram_load_begin)
  80         {
  81                 * (.pram)
  82         } >P_RAM
  83         __pram_run_end  = __pram_run_begin  + SIZEOF(.pram);
  84         __pram_load_end = __pram_load_begin + SIZEOF(.pram);
  85
  86         __pram_load_shift = ((__pram_run_begin - __pram_load_begin) & 0x1FFFF) | 0x02000000;
  87         __pram_end  = __pram_run_end;
  88         __flash_end = __pram_load_end;
  89
  90         /* PRAM overlay code.  */
  91         __pram_overlay_run_start  = (__pram_end  + 1) & 0xFFFFFFFE;
  92         __pram_overlay_load_start = (__flash_end + 1) & 0xFFFFFFFE;
  93         OVERLAY __pram_overlay_run_start : AT (__pram_overlay_load_start)
  94         {
  95                 .pram1 { */overlay1/* (.pram); * (.pram1) }
  96                 .pram2 { */overlay2/* (.pram); * (.pram2) }
  97         } >P_RAM
  98         __pram_overlay_run_end = .;
  99         __pram_overlay_load_end = __pram_overlay_load_start + SIZEOF(.pram1) + SIZEOF(.pram2);
 100         __pram_end  = __pram_overlay_run_end;
 101         __flash_end = __pram_overlay_load_end;
 102
 103         /* Flash code.  */
 104         __text_begin = (__flash_end + 1) & 0xFFFFFFFE;
 105         .text __text_begin :
 106         {
 107                 * (.text);
 108                 * (.text.libgcc)
 109         } >P_ROM = 0xffff
 110         __text_end  = __text_begin + SIZEOF(.text);
 111         __flash_end = __text_end;
 112
 113         /* Strings.  */
 114         __strings_begin = (__flash_end + 1) & 0xFFFFFFFE;
 115         .strings __strings_begin :
 116         {
 117                 * (strings);
 118                 * (.progmem.data)
 119         } >P_ROM = 0xffff
 120         __strings_end = __strings_begin + SIZEOF (.strings);
 121         __flash_end   = __strings_end;
 122
 123         .ctors : { * (.ctors) } > P_ROM
 124         .dtors : { * (.dtors) } > P_ROM
 125
 126         /* Reset code.  */
 127         .reset  : { * (.reset)  } >P_RESET  = 0xffff
 128
 129         /* Configuration block.  */
 130         .config : { * (.config) } >P_CONFIG = 0xffff
 131
 132         /* Stack.  */
 133         PROVIDE (__stack = 0x01000FFF);
 134
 135         /* Stabs debugging sections.  */
 136         .stab           0 : { *(.stab) }
 137         .stabstr        0 : { *(.stabstr) }
 138         .stab.excl      0 : { *(.stab.excl) }
 139         .stab.exclstr   0 : { *(.stab.exclstr) }
 140         .stab.index     0 : { *(.stab.index) }
 141         .stab.indexstr  0 : { *(.stab.indexstr) }
 142         .comment        0 : { *(.comment) }
 143
 144 EOF
 145
 146 . $srcdir/scripttempl/DWARF.sc
 147
 148 cat <<EOF
 149 }
 150 EOF