|
| 1 | +/* GNU linker script for ESP8266 */ |
| 2 | + |
| 3 | +MEMORY |
| 4 | +{ |
| 5 | + dport0_0_seg : org = 0x3ff00000, len = 0x10 |
| 6 | + dram0_0_seg : org = 0x3ffe8000, len = 0x14000 |
| 7 | + iram1_0_seg : org = 0x40100000, len = 0x8000 |
| 8 | + /* 0x3c000 is size of bootloader, 0x9000 is size of packed RAM segments */ |
| 9 | + irom0_0_seg : org = 0x40200000 + 0x3c000 + 0x9000, len = 0x87000 |
| 10 | +} |
| 11 | + |
| 12 | +/* define the top of RAM */ |
| 13 | +_heap_end = ORIGIN(dram0_0_seg) + LENGTH(dram0_0_seg); |
| 14 | + |
| 15 | +PHDRS |
| 16 | +{ |
| 17 | + dport0_0_phdr PT_LOAD; |
| 18 | + dram0_0_phdr PT_LOAD; |
| 19 | + dram0_0_bss_phdr PT_LOAD; |
| 20 | + iram1_0_phdr PT_LOAD; |
| 21 | + irom0_0_phdr PT_LOAD; |
| 22 | +} |
| 23 | + |
| 24 | +ENTRY(firmware_start) |
| 25 | +EXTERN(_DebugExceptionVector) |
| 26 | +EXTERN(_DoubleExceptionVector) |
| 27 | +EXTERN(_KernelExceptionVector) |
| 28 | +EXTERN(_NMIExceptionVector) |
| 29 | +EXTERN(_UserExceptionVector) |
| 30 | + |
| 31 | +PROVIDE(_memmap_vecbase_reset = 0x40000000); |
| 32 | + |
| 33 | +/* Various memory-map dependent cache attribute settings: */ |
| 34 | +_memmap_cacheattr_wb_base = 0x00000110; |
| 35 | +_memmap_cacheattr_wt_base = 0x00000110; |
| 36 | +_memmap_cacheattr_bp_base = 0x00000220; |
| 37 | +_memmap_cacheattr_unused_mask = 0xFFFFF00F; |
| 38 | +_memmap_cacheattr_wb_trapnull = 0x2222211F; |
| 39 | +_memmap_cacheattr_wba_trapnull = 0x2222211F; |
| 40 | +_memmap_cacheattr_wbna_trapnull = 0x2222211F; |
| 41 | +_memmap_cacheattr_wt_trapnull = 0x2222211F; |
| 42 | +_memmap_cacheattr_bp_trapnull = 0x2222222F; |
| 43 | +_memmap_cacheattr_wb_strict = 0xFFFFF11F; |
| 44 | +_memmap_cacheattr_wt_strict = 0xFFFFF11F; |
| 45 | +_memmap_cacheattr_bp_strict = 0xFFFFF22F; |
| 46 | +_memmap_cacheattr_wb_allvalid = 0x22222112; |
| 47 | +_memmap_cacheattr_wt_allvalid = 0x22222112; |
| 48 | +_memmap_cacheattr_bp_allvalid = 0x22222222; |
| 49 | +PROVIDE(_memmap_cacheattr_reset = _memmap_cacheattr_wb_trapnull); |
| 50 | + |
| 51 | +SECTIONS |
| 52 | +{ |
| 53 | + |
| 54 | + .dport0.rodata : ALIGN(4) |
| 55 | + { |
| 56 | + _dport0_rodata_start = ABSOLUTE(.); |
| 57 | + *(.dport0.rodata) |
| 58 | + *(.dport.rodata) |
| 59 | + _dport0_rodata_end = ABSOLUTE(.); |
| 60 | + } >dport0_0_seg :dport0_0_phdr |
| 61 | + |
| 62 | + .dport0.literal : ALIGN(4) |
| 63 | + { |
| 64 | + _dport0_literal_start = ABSOLUTE(.); |
| 65 | + *(.dport0.literal) |
| 66 | + *(.dport.literal) |
| 67 | + _dport0_literal_end = ABSOLUTE(.); |
| 68 | + } >dport0_0_seg :dport0_0_phdr |
| 69 | + |
| 70 | + .dport0.data : ALIGN(4) |
| 71 | + { |
| 72 | + _dport0_data_start = ABSOLUTE(.); |
| 73 | + *(.dport0.data) |
| 74 | + *(.dport.data) |
| 75 | + _dport0_data_end = ABSOLUTE(.); |
| 76 | + } >dport0_0_seg :dport0_0_phdr |
| 77 | + |
| 78 | + .irom0.text : ALIGN(4) |
| 79 | + { |
| 80 | + _irom0_text_start = ABSOLUTE(.); |
| 81 | + *(.irom0.literal .irom.literal .irom.text.literal .irom0.text .irom.text) |
| 82 | + |
| 83 | + /* we put some specific text in this section */ |
| 84 | + |
| 85 | + *py/argcheck.o*(.literal* .text*) |
| 86 | + *py/asm*.o*(.literal* .text*) |
| 87 | + *py/bc.o*(.literal* .text*) |
| 88 | + *py/binary.o*(.literal* .text*) |
| 89 | + *py/builtin*.o*(.literal* .text*) |
| 90 | + *py/compile.o*(.literal* .text*) |
| 91 | + *py/emit*.o*(.literal* .text*) |
| 92 | + *py/persistentcode*.o*(.literal* .text*) |
| 93 | + *py/formatfloat.o*(.literal* .text*) |
| 94 | + *py/frozenmod.o*(.literal* .text*) |
| 95 | + *py/gc.o*(.literal* .text*) |
| 96 | + *py/reader*.o*(.literal* .text*) |
| 97 | + *py/lexer*.o*(.literal* .text*) |
| 98 | + *py/malloc*.o*(.literal* .text*) |
| 99 | + *py/map*.o*(.literal* .text*) |
| 100 | + *py/mod*.o*(.literal* .text*) |
| 101 | + *py/mpprint.o*(.literal* .text*) |
| 102 | + *py/mpstate.o*(.literal* .text*) |
| 103 | + *py/mpz.o*(.literal* .text*) |
| 104 | + *py/native*.o*(.literal* .text*) |
| 105 | + *py/nlr*.o*(.literal* .text*) |
| 106 | + *py/obj*.o*(.literal* .text*) |
| 107 | + *py/opmethods.o*(.literal* .text*) |
| 108 | + *py/parse*.o*(.literal* .text*) |
| 109 | + *py/qstr.o*(.literal* .text*) |
| 110 | + *py/repl.o*(.literal* .text*) |
| 111 | + *py/runtime.o*(.literal* .text*) |
| 112 | + *py/scope.o*(.literal* .text*) |
| 113 | + *py/sequence.o*(.literal* .text*) |
| 114 | + *py/showbc.o*(.literal* .text*) |
| 115 | + *py/smallint.o*(.literal* .text*) |
| 116 | + *py/stackctrl.o*(.literal* .text*) |
| 117 | + *py/stream.o*(.literal* .text*) |
| 118 | + *py/unicode.o*(.literal* .text*) |
| 119 | + *py/vm.o*(.literal* .text*) |
| 120 | + *py/vstr.o*(.literal* .text*) |
| 121 | + *py/warning.o*(.literal* .text*) |
| 122 | + |
| 123 | + *extmod/*.o*(.literal* .text*) |
| 124 | +
|
| 125 | + *lib/fatfs/*.o*(.literal*, .text*) |
| 126 | + */libaxtls.a:(.literal*, .text*) |
| 127 | + *lib/berkeley-db-1.xx/*.o(.literal*, .text*) |
| 128 | + *lib/libm/*.o*(.literal*, .text*) |
| 129 | + *lib/mp-readline/*.o(.literal*, .text*) |
| 130 | + *lib/netutils/*.o*(.literal*, .text*) |
| 131 | + *lib/timeutils/*.o*(.literal*, .text*) |
| 132 | + *lib/utils/*.o*(.literal*, .text*) |
| 133 | +
|
| 134 | + *stmhal/pybstdio.o(.literal*, .text*) |
| 135 | +
|
| 136 | + build/main.o(.literal* .text*) |
| 137 | + *gccollect.o(.literal* .text*) |
| 138 | + *gchelper.o(.literal* .text*) |
| 139 | + *help.o(.literal* .text*) |
| 140 | + *lexerstr32.o(.literal* .text*) |
| 141 | + *utils.o(.literal* .text*) |
| 142 | + *modpyb.o(.literal*, .text*) |
| 143 | + *machine_pin.o(.literal*, .text*) |
| 144 | + *machine_pwm.o(.literal*, .text*) |
| 145 | + *machine_rtc.o(.literal*, .text*) |
| 146 | + *machine_adc.o(.literal*, .text*) |
| 147 | + *machine_uart.o(.literal*, .text*) |
| 148 | + *modpybi2c.o(.literal*, .text*) |
| 149 | + *modmachine.o(.literal*, .text*) |
| 150 | + *machine_wdt.o(.literal*, .text*) |
| 151 | + *machine_spi.o(.literal*, .text*) |
| 152 | + *machine_hspi.o(.literal*, .text*) |
| 153 | + *hspi.o(.literal*, .text*) |
| 154 | + *modesp.o(.literal* .text*) |
| 155 | + *modnetwork.o(.literal* .text*) |
| 156 | + *moduos.o(.literal* .text*) |
| 157 | + *modutime.o(.literal* .text*) |
| 158 | + *modlwip.o(.literal* .text*) |
| 159 | + *modsocket.o(.literal* .text*) |
| 160 | + *modonewire.o(.literal* .text*) |
| 161 | +
|
| 162 | + /* we put as much rodata as possible in this section */ |
| 163 | + /* note that only rodata accessed as a machine word is allowed here */ |
| 164 | + *py/qstr.o(.rodata.const_pool) |
| 165 | + *.o(.rodata.mp_type_*) /* catches type: mp_obj_type_t */ |
| 166 | + *.o(.rodata.*_locals_dict*) /* catches types: mp_obj_dict_t, mp_map_elem_t */ |
| 167 | + *.o(.rodata.mp_module_*) /* catches types: mp_obj_module_t, mp_obj_dict_t, mp_map_elem_t */ |
| 168 | + */frozen.o(.rodata.mp_frozen_sizes) /* frozen modules */ |
| 169 | + */frozen.o(.rodata.mp_frozen_content) /* frozen modules */ |
| 170 | + |
| 171 | + /* for -mforce-l32 */ |
| 172 | + build/*.o(.rodata*) |
| 173 | +
|
| 174 | + _irom0_text_end = ABSOLUTE(.); |
| 175 | + } >irom0_0_seg :irom0_0_phdr |
| 176 | +
|
| 177 | + .text : ALIGN(4) |
| 178 | + { |
| 179 | + _stext = .; |
| 180 | + _text_start = ABSOLUTE(.); |
| 181 | + *(.UserEnter.text) |
| 182 | + . = ALIGN(16); |
| 183 | + *(.DebugExceptionVector.text) |
| 184 | + . = ALIGN(16); |
| 185 | + *(.NMIExceptionVector.text) |
| 186 | + . = ALIGN(16); |
| 187 | + *(.KernelExceptionVector.text) |
| 188 | + LONG(0) |
| 189 | + LONG(0) |
| 190 | + LONG(0) |
| 191 | + LONG(0) |
| 192 | + . = ALIGN(16); |
| 193 | + *(.UserExceptionVector.text) |
| 194 | + LONG(0) |
| 195 | + LONG(0) |
| 196 | + LONG(0) |
| 197 | + LONG(0) |
| 198 | + . = ALIGN(16); |
| 199 | + *(.DoubleExceptionVector.text) |
| 200 | + LONG(0) |
| 201 | + LONG(0) |
| 202 | + LONG(0) |
| 203 | + LONG(0) |
| 204 | + . = ALIGN (16); |
| 205 | + *(.entry.text) |
| 206 | + *(.init.literal) |
| 207 | + *(.init) |
| 208 | + *(.literal .text .literal.* .text.* .iram0.literal .iram0.text .iram0.text.*.literal .iram0.text.*) |
| 209 | + *(.stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) |
| 210 | + *(.fini.literal) |
| 211 | + *(.fini) |
| 212 | + *(.gnu.version) |
| 213 | + _text_end = ABSOLUTE(.); |
| 214 | + _etext = .; |
| 215 | + } >iram1_0_seg :iram1_0_phdr |
| 216 | +
|
| 217 | + .lit4 : ALIGN(4) |
| 218 | + { |
| 219 | + _lit4_start = ABSOLUTE(.); |
| 220 | + *(*.lit4) |
| 221 | + *(.lit4.*) |
| 222 | + *(.gnu.linkonce.lit4.*) |
| 223 | + _lit4_end = ABSOLUTE(.); |
| 224 | + } >iram1_0_seg :iram1_0_phdr |
| 225 | +
|
| 226 | + .data : ALIGN(4) |
| 227 | + { |
| 228 | + _data_start = ABSOLUTE(.); |
| 229 | + *(.data) |
| 230 | + *(.data.*) |
| 231 | + *(.gnu.linkonce.d.*) |
| 232 | + *(.data1) |
| 233 | + *(.sdata) |
| 234 | + *(.sdata.*) |
| 235 | + *(.gnu.linkonce.s.*) |
| 236 | + *(.sdata2) |
| 237 | + *(.sdata2.*) |
| 238 | + *(.gnu.linkonce.s2.*) |
| 239 | + *(.jcr) |
| 240 | + _data_end = ABSOLUTE(.); |
| 241 | + } >dram0_0_seg :dram0_0_phdr |
| 242 | +
|
| 243 | + .rodata : ALIGN(4) |
| 244 | + { |
| 245 | + _rodata_start = ABSOLUTE(.); |
| 246 | + *(.sdk.version) |
| 247 | + *(.rodata) |
| 248 | + *(.rodata.*) |
| 249 | + *(.gnu.linkonce.r.*) |
| 250 | + *(.rodata1) |
| 251 | + __XT_EXCEPTION_TABLE__ = ABSOLUTE(.); |
| 252 | + *(.xt_except_table) |
| 253 | + *(.gcc_except_table) |
| 254 | + *(.gnu.linkonce.e.*) |
| 255 | + *(.gnu.version_r) |
| 256 | + *(.eh_frame) |
| 257 | + /* C++ constructor and destructor tables, properly ordered: */ |
| 258 | + KEEP (*crtbegin.o(.ctors)) |
| 259 | + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) |
| 260 | + KEEP (*(SORT(.ctors.*))) |
| 261 | + KEEP (*(.ctors)) |
| 262 | + KEEP (*crtbegin.o(.dtors)) |
| 263 | + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) |
| 264 | + KEEP (*(SORT(.dtors.*))) |
| 265 | + KEEP (*(.dtors)) |
| 266 | + /* C++ exception handlers table: */ |
| 267 | + __XT_EXCEPTION_DESCS__ = ABSOLUTE(.); |
| 268 | + *(.xt_except_desc) |
| 269 | + *(.gnu.linkonce.h.*) |
| 270 | + __XT_EXCEPTION_DESCS_END__ = ABSOLUTE(.); |
| 271 | + *(.xt_except_desc_end) |
| 272 | + *(.dynamic) |
| 273 | + *(.gnu.version_d) |
| 274 | + . = ALIGN(4); /* this table MUST be 4-byte aligned */ |
| 275 | + _bss_table_start = ABSOLUTE(.); |
| 276 | + LONG(_bss_start) |
| 277 | + LONG(_bss_end) |
| 278 | + _bss_table_end = ABSOLUTE(.); |
| 279 | + _rodata_end = ABSOLUTE(.); |
| 280 | + } >dram0_0_seg :dram0_0_phdr |
| 281 | + |
| 282 | + .bss ALIGN(8) (NOLOAD) : ALIGN(4) |
| 283 | + { |
| 284 | + . = ALIGN (8); |
| 285 | + _bss_start = ABSOLUTE(.); |
| 286 | + *(.dynsbss) |
| 287 | + *(.sbss) |
| 288 | + *(.sbss.*) |
| 289 | + *(.gnu.linkonce.sb.*) |
| 290 | + *(.scommon) |
| 291 | + *(.sbss2) |
| 292 | + *(.sbss2.*) |
| 293 | + *(.gnu.linkonce.sb2.*) |
| 294 | + *(.dynbss) |
| 295 | + *(.bss) |
| 296 | + *(.bss.*) |
| 297 | + *(.gnu.linkonce.b.*) |
| 298 | + *(COMMON) |
| 299 | + . = ALIGN (8); |
| 300 | + _bss_end = ABSOLUTE(.); |
| 301 | + _heap_start = ABSOLUTE(.); |
| 302 | + } >dram0_0_seg :dram0_0_bss_phdr |
| 303 | +} |
| 304 | + |
| 305 | +/* get ROM code address */ |
| 306 | +INCLUDE "eagle.rom.addr.v6.ld" |
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