From 8bdde6e28dbec57c09b3f876e0cd2871ca20c624 Mon Sep 17 00:00:00 2001 From: Johny Mattsson Date: Mon, 5 Oct 2015 17:53:23 +1100 Subject: [PATCH] Sorted out linker scripts & options. Now boots to Lua prompt, but promptly reboots itself before input. --- app/Makefile | 3 +- app/user/user_exceptions.c | 2 +- ld/defsym.rom | 10 ++ ld/eagle.app.v6.app1.ld | 181 ------------------------------------- ld/eagle.app.v6.app2.ld | 181 ------------------------------------- ld/eagle.app.v6.ld | 91 ++++++++++++------- 6 files changed, 71 insertions(+), 397 deletions(-) create mode 100644 ld/defsym.rom delete mode 100644 ld/eagle.app.v6.app1.ld delete mode 100644 ld/eagle.app.v6.app2.ld diff --git a/app/Makefile b/app/Makefile index 6ac746c4..d74bf761 100644 --- a/app/Makefile +++ b/app/Makefile @@ -98,9 +98,10 @@ COMPONENTS_eagle.app.v6 = \ LINKFLAGS_eagle.app.v6 = \ -Wl,--gc-sections \ - -Xlinker -Map=mapfile \ + -Wl,-Map=mapfile \ -nostdlib \ -T$(LD_FILE) \ + -Wl,@../ld/defsym.rom \ -Wl,--no-check-sections \ -Wl,--wrap=_xtos_set_exception_handler \ -Wl,-static \ diff --git a/app/user/user_exceptions.c b/app/user/user_exceptions.c index fb26e76a..74cb9097 100644 --- a/app/user/user_exceptions.c +++ b/app/user/user_exceptions.c @@ -104,7 +104,7 @@ die: * we use the linker to wrap that call and stop the SDK from shooting itself in * its proverbial foot. */ -exception_handler_fn +exception_handler_fn TEXT_SECTION_ATTR __wrap__xtos_set_exception_handler (uint32_t cause, exception_handler_fn fn) { if (cause != EXCCAUSE_LOAD_STORE_ERROR) diff --git a/ld/defsym.rom b/ld/defsym.rom new file mode 100644 index 00000000..5369fb0f --- /dev/null +++ b/ld/defsym.rom @@ -0,0 +1,10 @@ +--defsym=strcmp=ets_strcmp +--defsym=strcpy=ets_strcpy +--defsym=strlen=ets_strlen +--defsym=strncmp=ets_strncmp +--defsym=strncpy=ets_strncpy +--defsym=strstr=ets_strstr +--defsym=memcmp=ets_memcmp +--defsym=memcpy=ets_memcpy +--defsym=memmove=ets_memmove +--defsym=memset=ets_memset diff --git a/ld/eagle.app.v6.app1.ld b/ld/eagle.app.v6.app1.ld deleted file mode 100644 index bb321ff8..00000000 --- a/ld/eagle.app.v6.app1.ld +++ /dev/null @@ -1,181 +0,0 @@ -/* This linker script generated from xt-genldscripts.tpp for LSP . */ -/* Linker Script for ld -N */ -MEMORY -{ - dport0_0_seg : org = 0x3FF00000, len = 0x10 - dram0_0_seg : org = 0x3FFE8000, len = 0x14000 - iram1_0_seg : org = 0x40100000, len = 0x8000 - irom0_0_seg : org = 0x40211000, len = 0x2B000 -} - -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(call_user_start) -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) - _data_end = ABSOLUTE(.); - } >dram0_0_seg :dram0_0_phdr - - .rodata : ALIGN(4) - { - _rodata_start = ABSOLUTE(.); - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r.*) - *(.rodata1) - __XT_EXCEPTION_TABLE__ = ABSOLUTE(.); - *(.xt_except_table) - *(.gcc_except_table) - *(.gnu.linkonce.e.*) - *(.gnu.version_r) - *(.eh_frame) - /* C++ constructor and destructor tables, properly ordered: */ - KEEP (*crtbegin.o(.ctors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - 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) - . = ALIGN(4); /* this table MUST be 4-byte aligned */ - _bss_table_start = ABSOLUTE(.); - LONG(_bss_start) - LONG(_bss_end) - _bss_table_end = ABSOLUTE(.); - _rodata_end = ABSOLUTE(.); - } >dram0_0_seg :dram0_0_phdr - - .bss ALIGN(8) (NOLOAD) : ALIGN(4) - { - . = ALIGN (8); - _bss_start = ABSOLUTE(.); - *(.dynsbss) - *(.sbss) - *(.sbss.*) - *(.gnu.linkonce.sb.*) - *(.scommon) - *(.sbss2) - *(.sbss2.*) - *(.gnu.linkonce.sb2.*) - *(.dynbss) - *(.bss) - *(.bss.*) - *(.gnu.linkonce.b.*) - *(COMMON) - . = ALIGN (8); - _bss_end = ABSOLUTE(.); - _heap_start = ABSOLUTE(.); -/* _stack_sentry = ALIGN(0x8); */ - } >dram0_0_seg :dram0_0_bss_phdr -/* __stack = 0x3ffc8000; */ - - .text : ALIGN(4) - { - _stext = .; - _text_start = ABSOLUTE(.); - *(.entry.text) - *(.init.literal) - *(.init) - *(.literal .text .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) - *(.fini.literal) - *(.fini) - *(.gnu.version) - _text_end = ABSOLUTE(.); - _etext = .; - } >iram1_0_seg :iram1_0_phdr - - .lit4 : ALIGN(4) - { - _lit4_start = ABSOLUTE(.); - *(*.lit4) - *(.lit4.*) - *(.gnu.linkonce.lit4.*) - _lit4_end = ABSOLUTE(.); - } >iram1_0_seg :iram1_0_phdr - - .irom0.text : ALIGN(4) - { - _irom0_text_start = ABSOLUTE(.); - *(.irom0.literal .irom.literal .irom.text.literal .irom0.text .irom.text) - _irom0_text_end = ABSOLUTE(.); - } >irom0_0_seg :irom0_0_phdr -} - -/* get ROM code address */ -INCLUDE "../ld/eagle.rom.addr.v6.ld" diff --git a/ld/eagle.app.v6.app2.ld b/ld/eagle.app.v6.app2.ld deleted file mode 100644 index 2693a99e..00000000 --- a/ld/eagle.app.v6.app2.ld +++ /dev/null @@ -1,181 +0,0 @@ -/* This linker script generated from xt-genldscripts.tpp for LSP . */ -/* Linker Script for ld -N */ -MEMORY -{ - dport0_0_seg : org = 0x3FF00000, len = 0x10 - dram0_0_seg : org = 0x3FFE8000, len = 0x14000 - iram1_0_seg : org = 0x40100000, len = 0x8000 - irom0_0_seg : org = 0x40251000, len = 0x2B000 -} - -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(call_user_start) -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) - _data_end = ABSOLUTE(.); - } >dram0_0_seg :dram0_0_phdr - - .rodata : ALIGN(4) - { - _rodata_start = ABSOLUTE(.); - *(.rodata) - *(.rodata.*) - *(.gnu.linkonce.r.*) - *(.rodata1) - __XT_EXCEPTION_TABLE__ = ABSOLUTE(.); - *(.xt_except_table) - *(.gcc_except_table) - *(.gnu.linkonce.e.*) - *(.gnu.version_r) - *(.eh_frame) - /* C++ constructor and destructor tables, properly ordered: */ - KEEP (*crtbegin.o(.ctors)) - KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) - KEEP (*(SORT(.ctors.*))) - KEEP (*(.ctors)) - 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) - . = ALIGN(4); /* this table MUST be 4-byte aligned */ - _bss_table_start = ABSOLUTE(.); - LONG(_bss_start) - LONG(_bss_end) - _bss_table_end = ABSOLUTE(.); - _rodata_end = ABSOLUTE(.); - } >dram0_0_seg :dram0_0_phdr - - .bss ALIGN(8) (NOLOAD) : ALIGN(4) - { - . = ALIGN (8); - _bss_start = ABSOLUTE(.); - *(.dynsbss) - *(.sbss) - *(.sbss.*) - *(.gnu.linkonce.sb.*) - *(.scommon) - *(.sbss2) - *(.sbss2.*) - *(.gnu.linkonce.sb2.*) - *(.dynbss) - *(.bss) - *(.bss.*) - *(.gnu.linkonce.b.*) - *(COMMON) - . = ALIGN (8); - _bss_end = ABSOLUTE(.); - _heap_start = ABSOLUTE(.); -/* _stack_sentry = ALIGN(0x8); */ - } >dram0_0_seg :dram0_0_bss_phdr -/* __stack = 0x3ffc8000; */ - - .text : ALIGN(4) - { - _stext = .; - _text_start = ABSOLUTE(.); - *(.entry.text) - *(.init.literal) - *(.init) - *(.literal .text .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) - *(.fini.literal) - *(.fini) - *(.gnu.version) - _text_end = ABSOLUTE(.); - _etext = .; - } >iram1_0_seg :iram1_0_phdr - - .lit4 : ALIGN(4) - { - _lit4_start = ABSOLUTE(.); - *(*.lit4) - *(.lit4.*) - *(.gnu.linkonce.lit4.*) - _lit4_end = ABSOLUTE(.); - } >iram1_0_seg :iram1_0_phdr - - .irom0.text : ALIGN(4) - { - _irom0_text_start = ABSOLUTE(.); - *(.irom0.literal .irom.literal .irom.text.literal .irom0.text .irom.text) - _irom0_text_end = ABSOLUTE(.); - } >irom0_0_seg :irom0_0_phdr -} - -/* get ROM code address */ -INCLUDE "../ld/eagle.rom.addr.v6.ld" diff --git a/ld/eagle.app.v6.ld b/ld/eagle.app.v6.ld index 273808e2..83263cfc 100644 --- a/ld/eagle.app.v6.ld +++ b/ld/eagle.app.v6.ld @@ -2,10 +2,10 @@ /* Linker Script for ld -N */ MEMORY { - dport0_0_seg : org = 0x3FF00000, len = 0x10 - dram0_0_seg : org = 0x3FFE8000, len = 0x14000 - iram1_0_seg : org = 0x40100000, len = 0x8000 - irom0_0_seg : org = 0x40210000, len = 0x80000 + dport0_0_seg : org = 0x3FF00000, len = 0x10 + dram0_0_seg : org = 0x3FFE8000, len = 0x14000 + iram1_0_seg : org = 0x40100000, len = 0x8000 + irom0_0_seg : org = 0x40210000, len = 0x80000 } PHDRS @@ -20,6 +20,11 @@ PHDRS /* Default entry point: */ ENTRY(user_start_trampoline) +EXTERN(_DebugExceptionVector) +EXTERN(_DoubleExceptionVector) +EXTERN(_KernelExceptionVector) +EXTERN(_NMIExceptionVector) +EXTERN(_UserExceptionVector) PROVIDE(_memmap_vecbase_reset = 0x40000000); /* Various memory-map dependent cache attribute settings: */ _memmap_cacheattr_wb_base = 0x00000110; @@ -71,39 +76,11 @@ SECTIONS _irom0_text_start = ABSOLUTE(.); *(.irom0.literal .irom.literal .irom.text.literal .irom0.text .irom.text) *(.literal.* .text.*) - - /* Trade some performance for lots of ram. At the time of writing the - * available Lua heap went from 18248 to 34704. */ *(.rodata*) - + *(.sdk.version) _irom0_text_end = ABSOLUTE(.); _flash_used_end = ABSOLUTE(.); } >irom0_0_seg :irom0_0_phdr - - .text : ALIGN(4) - { - _stext = .; - _text_start = ABSOLUTE(.); - *(.entry.text) - *(.init.literal) - *(.init) - /* *(.literal .text .literal.* .text.* .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) */ - *(.literal .text .iram0.text .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) - *(.fini.literal) - *(.fini) - *(.gnu.version) - _text_end = ABSOLUTE(.); - _etext = .; - } >iram1_0_seg :iram1_0_phdr - - .lit4 : ALIGN(4) - { - _lit4_start = ABSOLUTE(.); - *(*.lit4) - *(.lit4.*) - *(.gnu.linkonce.lit4.*) - _lit4_end = ABSOLUTE(.); - } >iram1_0_seg :iram1_0_phdr .data : ALIGN(4) { @@ -181,6 +158,54 @@ SECTIONS } >dram0_0_seg :dram0_0_bss_phdr /* __stack = 0x3ffc8000; */ + .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) + *(.literal .text .stub .gnu.warning .gnu.linkonce.literal.* .gnu.linkonce.t.*.literal .gnu.linkonce.t.*) + *(.fini.literal) + *(.fini) + *(.gnu.version) + _text_end = ABSOLUTE(.); + _etext = .; + } >iram1_0_seg :iram1_0_phdr + + .lit4 : ALIGN(4) + { + _lit4_start = ABSOLUTE(.); + *(*.lit4) + *(.lit4.*) + *(.gnu.linkonce.lit4.*) + _lit4_end = ABSOLUTE(.); + } >iram1_0_seg :iram1_0_phdr + } /* get ROM code address */