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mirror of https://github.com/esp8266/Arduino.git synced 2025-06-09 03:41:41 +03:00
esp8266/tools/sdk/ld/eagle.app.v6.common.ld.h
david gauchard d0f7293491
optionally move float emulation code into iram (#8958)
* optionally move float emulation code into iram
allows doing float operation in iram
suitable for libraries like AccelStepper when called from ISR
* proposed changes for pio from @mcspr
2023-11-12 23:53:39 +01:00

304 lines
8.7 KiB
C++

/* This linker script generated from xt-genldscripts.tpp for LSP . */
/* Linker Script for ld -N */
/* The restriction to one MEMORY command, appears to be a restriction in
past versions. https://stackoverflow.com/a/55673816
This 2nd MEMORY command appears to work fine.
*/
MEMORY
{
iram1_0_seg : org = 0x40100000, len = MMU_IRAM_SIZE
}
PHDRS
{
dport0_0_phdr PT_LOAD;
dram0_0_phdr PT_LOAD;
dram0_0_bss_phdr PT_LOAD;
iram1_0_phdr PT_LOAD;
irom0_0_phdr PT_LOAD;
}
/* Default entry point: */
ENTRY(app_entry)
EXTERN(_DebugExceptionVector)
EXTERN(_DoubleExceptionVector)
EXTERN(_KernelExceptionVector)
EXTERN(_NMIExceptionVector)
EXTERN(_UserExceptionVector)
EXTERN(core_version)
PROVIDE(_memmap_vecbase_reset = 0x40000000);
/* Various memory-map dependent cache attribute settings: */
_memmap_cacheattr_wb_base = 0x00000110;
_memmap_cacheattr_wt_base = 0x00000110;
_memmap_cacheattr_bp_base = 0x00000220;
_memmap_cacheattr_unused_mask = 0xFFFFF00F;
_memmap_cacheattr_wb_trapnull = 0x2222211F;
_memmap_cacheattr_wba_trapnull = 0x2222211F;
_memmap_cacheattr_wbna_trapnull = 0x2222211F;
_memmap_cacheattr_wt_trapnull = 0x2222211F;
_memmap_cacheattr_bp_trapnull = 0x2222222F;
_memmap_cacheattr_wb_strict = 0xFFFFF11F;
_memmap_cacheattr_wt_strict = 0xFFFFF11F;
_memmap_cacheattr_bp_strict = 0xFFFFF22F;
_memmap_cacheattr_wb_allvalid = 0x22222112;
_memmap_cacheattr_wt_allvalid = 0x22222112;
_memmap_cacheattr_bp_allvalid = 0x22222222;
PROVIDE(_memmap_cacheattr_reset = _memmap_cacheattr_wb_trapnull);
SECTIONS
{
.dport0.rodata : ALIGN(4)
{
_dport0_rodata_start = ABSOLUTE(.);
*(.dport0.rodata)
*(.dport.rodata)
_dport0_rodata_end = ABSOLUTE(.);
} >dport0_0_seg :dport0_0_phdr
.dport0.literal : ALIGN(4)
{
_dport0_literal_start = ABSOLUTE(.);
*(.dport0.literal)
*(.dport.literal)
_dport0_literal_end = ABSOLUTE(.);
} >dport0_0_seg :dport0_0_phdr
.dport0.data : ALIGN(4)
{
_dport0_data_start = ABSOLUTE(.);
*(.dport0.data)
*(.dport.data)
_dport0_data_end = ABSOLUTE(.);
} >dport0_0_seg :dport0_0_phdr
.data : ALIGN(4)
{
_data_start = ABSOLUTE(.);
*(.data)
*(.data.*)
*(.gnu.linkonce.d.*)
*(.data1)
*(.sdata)
*(.sdata.*)
*(.gnu.linkonce.s.*)
*(.sdata2)
*(.sdata2.*)
*(.gnu.linkonce.s2.*)
*(.jcr)
. = ALIGN(4);
_Pri_3_HandlerAddress = ABSOLUTE(.);
_data_end = ABSOLUTE(.);
} >dram0_0_seg :dram0_0_phdr
.noinit : ALIGN(4)
{
*(.noinit)
} >dram0_0_seg :dram0_0_phdr
#ifdef VTABLES_IN_DRAM
#include "eagle.app.v6.common.ld.vtables.h"
#endif
/* IRAM is split into .text and .text1 to allow for moving specific */
/* functions into IRAM that would be matched by the irom0.text matcher */
.text : ALIGN(4)
{
_stext = .;
_text_start = ABSOLUTE(.);
*(.UserEnter.text)
. = ALIGN(16);
*(.DebugExceptionVector.text)
. = ALIGN(16);
*(.NMIExceptionVector.text)
. = ALIGN(16);
*(.KernelExceptionVector.text)
LONG(0)
LONG(0)
LONG(0)
LONG(0)
. = ALIGN(16);
*(.UserExceptionVector.text)
LONG(0)
LONG(0)
LONG(0)
LONG(0)
. = ALIGN(16);
*(.DoubleExceptionVector.text)
LONG(0)
LONG(0)
LONG(0)
LONG(0)
. = ALIGN (16);
*(.entry.text)
*(.init.literal)
*(.init)
*(.text.app_entry*) /* The main startup code */
*(.text.gdbstub* .text.gdb_init) /* Any GDB hooks */
/* all functional callers are placed in IRAM (including SPI/IRQ callbacks/etc) here */
*(.text._ZNKSt8functionIF*EE*) /* std::function<any(...)>::operator()() const */
#ifdef FP_IN_IRAM
*libgcc.a:*f2.o(.literal .text)
*libgcc.a:*f3.o(.literal .text)
*libgcc.a:*fsi.o(.literal .text)
*libgcc.a:*fdi.o(.literal .text)
*libgcc.a:*ifs.o(.literal .text)
*libgcc.a:*idf.o(.literal .text)
#endif
} >iram1_0_seg :iram1_0_phdr
.irom0.text : ALIGN(4)
{
_irom0_text_start = ABSOLUTE(.);
/* Stuff the CRC in well known symbols at a well known location */
__crc_len = ABSOLUTE(.);
LONG(0x00000000);
__crc_val = ABSOLUTE(.);
LONG(0x00000000);
*(.ver_number)
*.c.o(.literal* .text*)
*.cpp.o(EXCLUDE_FILE (umm_malloc.cpp.o) .literal* EXCLUDE_FILE (umm_malloc.cpp.o) .text*)
*.cc.o(.literal* .text*)
#ifdef VTABLES_IN_FLASH
*(.rodata._ZTV*) /* C++ vtables */
#endif
. = ALIGN(4); /* this table MUST be 4-byte aligned */
/* 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))
. = ALIGN(4); /* this table MUST be 4-byte aligned */
_bss_table_start = ABSOLUTE(.);
LONG(_bss_start)
LONG(_bss_end)
_bss_table_end = ABSOLUTE(.);
*libgcc.a:unwind-dw2.o(.literal .text .rodata .literal.* .text.* .rodata.*)
*libgcc.a:unwind-dw2-fde.o(.literal .text .rodata .literal.* .text.* .rodata.*)
*libc.a:(.literal .text .literal.* .text.*)
*libm.a:(.literal .text .literal.* .text.*)
#ifdef FP_IN_IROM
*libgcc.a:*f2.o(.literal .text)
*libgcc.a:*f3.o(.literal .text)
*libgcc.a:*fsi.o(.literal .text)
*libgcc.a:*fdi.o(.literal .text)
*libgcc.a:*ifs.o(.literal .text)
*libgcc.a:*idf.o(.literal .text)
#endif
*libgcc.a:_umoddi3.o(.literal .text)
*libgcc.a:_udivdi3.o(.literal .text)
*libgcc.a:_divsf3.o(.literal .text)
*libgcc.a:_fixsfsi.o(.literal .text)
*libgcc.a:_cmpdf2.o(.literal .text)
*libgcc.a:_cmpsf2.o(.literal .text)
*libstdc++.a:( .literal .text .literal.* .text.*)
*libstdc++-exc.a:( .literal .text .literal.* .text.*)
*libsmartconfig.a:(.literal .text .literal.* .text.*)
*liblwip_gcc.a:(.literal .text .literal.* .text.*)
*liblwip_src.a:(.literal .text .literal.* .text.*)
*liblwip2-536.a:(.literal .text .literal.* .text.*)
*liblwip2-1460.a:(.literal .text .literal.* .text.*)
*liblwip2-536-feat.a:(.literal .text .literal.* .text.*)
*liblwip2-1460-feat.a:(.literal .text .literal.* .text.*)
*liblwip6-536-feat.a:(.literal .text .literal.* .text.*)
*liblwip6-1460-feat.a:(.literal .text .literal.* .text.*)
*libbearssl.a:(.literal .text .literal.* .text.*)
*libat.a:(.literal.* .text.*)
*libcrypto.a:(.literal.* .text.*)
*libespnow.a:(.literal.* .text.*)
*libjson.a:(.literal.* .text.*)
*liblwip.a:(.literal.* .text.*)
*libmesh.a:(.literal.* .text.*)
*libnet80211.a:(.literal.* .text.*)
*libsmartconfig.a:(.literal.* .text.*)
*libssl.a:(.literal.* .text.*)
*libupgrade.a:(.literal.* .text.*)
*libwpa.a:(.literal.* .text.*)
*libwpa2.a:(.literal.* .text.*)
*libwps.a:(.literal.* .text.*)
*(.irom0.literal .irom.literal .irom.text.literal .irom0.text .irom0.text.* .irom.text .irom.text.*)
/* Constant strings in flash (PSTRs) */
*(.irom0.pstr.*)
/* Inline flash strings PSTR() within templated code */
*(.rodata._ZZ*__pstr__*)
/* __FUNCTION__ locals */
*(.rodata._ZZ*__FUNCTION__)
*(.rodata._ZZ*__PRETTY_FUNCTION__)
*(.rodata._ZZ*__func__)
/* std::* exception strings, in their own section to allow string coalescing */
*(.irom.exceptiontext .rodata.exceptiontext)
*(.rodata.*__exception_what__*) /* G++ seems to throw out templatized section attributes */
/* c++ typeof IDs, etc. */
*(.rodata._ZTIN* .rodata._ZTSN10* .rodata._ZTISt* .rodata._ZTSSt*)
/* Fundamental type info */
*(.rodata._ZTIPKc .rodata._ZTIc .rodata._ZTIv .rodata._ZTSv .rodata._ZTSc .rodata._ZTSPKc .rodata._ZTSi .rodata._ZTIi)
. = ALIGN(4);
*(.gcc_except_table .gcc_except_table.*)
. = ALIGN(4);
__eh_frame = ABSOLUTE(.);
KEEP(*(.eh_frame))
. = (. + 7) & ~ 3; /* Add a 0 entry to terminate the list */
_irom0_text_end = ABSOLUTE(.);
_flash_code_end = ABSOLUTE(.);
} >irom0_0_seg :irom0_0_phdr
.text1 : ALIGN(4)
{
*(.literal .text .iram.literal .iram.text .iram.text.* .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*)
#ifdef VTABLES_IN_IRAM
*(.rodata._ZTV*) /* C++ vtables */
#endif
*(.fini.literal)
*(.fini)
*(.gnu.version)
_text_end = ABSOLUTE(.);
_etext = .;
} >iram1_0_seg :iram1_0_phdr
#if defined(VTABLES_IN_IRAM) || defined(VTABLES_IN_FLASH)
#include "eagle.app.v6.common.ld.vtables.h"
#endif
.lit4 : ALIGN(4)
{
_lit4_start = ABSOLUTE(.);
*(*.lit4)
*(.lit4.*)
*(.gnu.linkonce.lit4.*)
_lit4_end = ABSOLUTE(.);
} >iram1_0_seg :iram1_0_phdr
}
/* get ROM code address */
INCLUDE "../ld/eagle.rom.addr.v6.ld"