diff options
Diffstat (limited to 'ports/esp32/esp32.custom_common.ld')
| -rw-r--r-- | ports/esp32/esp32.custom_common.ld | 215 |
1 files changed, 215 insertions, 0 deletions
diff --git a/ports/esp32/esp32.custom_common.ld b/ports/esp32/esp32.custom_common.ld new file mode 100644 index 000000000..45242f9af --- /dev/null +++ b/ports/esp32/esp32.custom_common.ld @@ -0,0 +1,215 @@ +/* Default entry point: */ +ENTRY(call_start_cpu0); + +SECTIONS +{ + /* RTC fast memory holds RTC wake stub code, + including from any source file named rtc_wake_stub*.c + */ + .rtc.text : + { + . = ALIGN(4); + *(.rtc.literal .rtc.text) + *rtc_wake_stub*.o(.literal .text .literal.* .text.*) + } >rtc_iram_seg + + /* RTC slow memory holds RTC wake stub + data/rodata, including from any source file + named rtc_wake_stub*.c + */ + .rtc.data : + { + _rtc_data_start = ABSOLUTE(.); + *(.rtc.data) + *(.rtc.rodata) + *rtc_wake_stub*.o(.data .rodata .data.* .rodata.* .bss .bss.*) + _rtc_data_end = ABSOLUTE(.); + } > rtc_slow_seg + + /* RTC bss, from any source file named rtc_wake_stub*.c */ + .rtc.bss (NOLOAD) : + { + _rtc_bss_start = ABSOLUTE(.); + *rtc_wake_stub*.o(.bss .bss.*) + *rtc_wake_stub*.o(COMMON) + _rtc_bss_end = ABSOLUTE(.); + } > rtc_slow_seg + + /* Send .iram0 code to iram */ + .iram0.vectors : + { + /* Vectors go to IRAM */ + _init_start = ABSOLUTE(.); + /* Vectors according to builds/RF-2015.2-win32/esp108_v1_2_s5_512int_2/config.html */ + . = 0x0; + KEEP(*(.WindowVectors.text)); + . = 0x180; + KEEP(*(.Level2InterruptVector.text)); + . = 0x1c0; + KEEP(*(.Level3InterruptVector.text)); + . = 0x200; + KEEP(*(.Level4InterruptVector.text)); + . = 0x240; + KEEP(*(.Level5InterruptVector.text)); + . = 0x280; + KEEP(*(.DebugExceptionVector.text)); + . = 0x2c0; + KEEP(*(.NMIExceptionVector.text)); + . = 0x300; + KEEP(*(.KernelExceptionVector.text)); + . = 0x340; + KEEP(*(.UserExceptionVector.text)); + . = 0x3C0; + KEEP(*(.DoubleExceptionVector.text)); + . = 0x400; + *(.*Vector.literal) + + *(.UserEnter.literal); + *(.UserEnter.text); + . = ALIGN (16); + *(.entry.text) + *(.init.literal) + *(.init) + _init_end = ABSOLUTE(.); + + /* This goes here, not at top of linker script, so addr2line finds it last, + and uses it in preference to the first symbol in IRAM */ + _iram_start = ABSOLUTE(0); + } > iram0_0_seg + + .iram0.text : + { + /* Code marked as runnning out of IRAM */ + _iram_text_start = ABSOLUTE(.); + *(.iram1 .iram1.*) + *freertos/*(.literal .text .literal.* .text.*) + *heap/multi_heap.o(.literal .text .literal.* .text.*) + *heap/multi_heap_poisoning.o(.literal .text .literal.* .text.*) + *esp32/panic.o(.literal .text .literal.* .text.*) + *esp32/core_dump.o(.literal .text .literal.* .text.*) + *app_trace/*(.literal .text .literal.* .text.*) + *xtensa-debug-module/eri.o(.literal .text .literal.* .text.*) + *esp32/app_trace.o(.literal .text .literal.* .text.*) + *libphy.a:(.literal .text .literal.* .text.*) + *librtc.a:(.literal .text .literal.* .text.*) + *libsoc.a:(.literal .text .literal.* .text.*) + *libhal.a:(.literal .text .literal.* .text.*) + *libgcc.a:lib2funcs.o(.literal .text .literal.* .text.*) + *spi_flash/spi_flash_rom_patch.o(.literal .text .literal.* .text.*) + *py/scheduler.o*(.literal .text .literal.* .text.*) + _iram_text_end = ABSOLUTE(.); + } > iram0_0_seg + + .dram0.data : + { + _data_start = ABSOLUTE(.); + *(.data) + *(.data.*) + *(.gnu.linkonce.d.*) + *(.data1) + *(.sdata) + *(.sdata.*) + *(.gnu.linkonce.s.*) + *(.sdata2) + *(.sdata2.*) + *(.gnu.linkonce.s2.*) + *(.jcr) + *(.dram1 .dram1.*) + *esp32/panic.o(.rodata .rodata.*) + *libphy.a:(.rodata .rodata.*) + *app_trace/app_trace.o:(.rodata .rodata.*) + *heap/multi_heap.o(.rodata .rodata.*) + *heap/multi_heap_poisoning.o(.rodata .rodata.*) + _data_end = ABSOLUTE(.); + . = ALIGN(4); + } >dram0_0_seg + + /* Shared RAM */ + .dram0.bss (NOLOAD) : + { + . = ALIGN (8); + _bss_start = ABSOLUTE(.); + *(.dynsbss) + *(.sbss) + *(.sbss.*) + *(.gnu.linkonce.sb.*) + *(.scommon) + *(.sbss2) + *(.sbss2.*) + *(.gnu.linkonce.sb2.*) + *(.dynbss) + *(.bss) + *(.bss.*) + *(.share.mem) + *(.gnu.linkonce.b.*) + *(COMMON) + . = ALIGN (8); + _bss_end = ABSOLUTE(.); + _heap_start = ABSOLUTE(.); + } >dram0_0_seg + + .flash.rodata : + { + _rodata_start = ABSOLUTE(.); + *(.rodata) + *(.rodata.*) + *(.irom1.text) /* catch stray ICACHE_RODATA_ATTR */ + *(.gnu.linkonce.r.*) + *(.rodata1) + __XT_EXCEPTION_TABLE_ = ABSOLUTE(.); + *(.xt_except_table) + *(.gcc_except_table .gcc_except_table.*) + *(.gnu.linkonce.e.*) + *(.gnu.version_r) + . = (. + 3) & ~ 3; + __eh_frame = ABSOLUTE(.); + KEEP(*(.eh_frame)) + . = (. + 7) & ~ 3; + /* C++ constructor and destructor tables, properly ordered: */ + __init_array_start = ABSOLUTE(.); + KEEP (*crtbegin.o(.ctors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*(.ctors)) + __init_array_end = ABSOLUTE(.); + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + /* C++ exception handlers table: */ + __XT_EXCEPTION_DESCS_ = ABSOLUTE(.); + *(.xt_except_desc) + *(.gnu.linkonce.h.*) + __XT_EXCEPTION_DESCS_END__ = ABSOLUTE(.); + *(.xt_except_desc_end) + *(.dynamic) + *(.gnu.version_d) + _rodata_end = ABSOLUTE(.); + /* Literals are also RO data. */ + _lit4_start = ABSOLUTE(.); + *(*.lit4) + *(.lit4.*) + *(.gnu.linkonce.lit4.*) + _lit4_end = ABSOLUTE(.); + . = ALIGN(4); + } >drom0_0_seg + + .flash.text : + { + _stext = .; + _text_start = ABSOLUTE(.); + *(.literal .text .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) + *(.irom0.text) /* catch stray ICACHE_RODATA_ATTR */ + *(.fini.literal) + *(.fini) + *(.gnu.version) + _text_end = ABSOLUTE(.); + _etext = .; + + /* Similar to _iram_start, this symbol goes here so it is + resolved by addr2line in preference to the first symbol in + the flash.text segment. + */ + _flash_cache_start = ABSOLUTE(0); + } >iram0_2_seg +} |