From 0ca281c1622e6df2442501e340e6ff5c468dc8ba Mon Sep 17 00:00:00 2001 From: Grissiom Date: Tue, 6 Jan 2015 13:40:46 +0800 Subject: [PATCH] lpc43xx: add flash linker script for GCC --- bsp/lpc43xx/M0/rtconfig.py | 25 +++--- bsp/lpc43xx/M0/rtthread-lpc43xx.ld | 133 +++++++++++++++++++++++++++ bsp/lpc43xx/M4/rtconfig.py | 11 +-- bsp/lpc43xx/M4/rtthread-lpc43xx.ld | 140 +++++++++++++++++++++++++++++ 4 files changed, 290 insertions(+), 19 deletions(-) create mode 100644 bsp/lpc43xx/M0/rtthread-lpc43xx.ld create mode 100644 bsp/lpc43xx/M4/rtthread-lpc43xx.ld diff --git a/bsp/lpc43xx/M0/rtconfig.py b/bsp/lpc43xx/M0/rtconfig.py index 5eef1d3ab..f6e58476e 100644 --- a/bsp/lpc43xx/M0/rtconfig.py +++ b/bsp/lpc43xx/M0/rtconfig.py @@ -2,15 +2,11 @@ import os # core to be use USE_CORE = 'CORE_M0' -#USE_CORE = 'CORE_M4' # toolchains options ARCH='arm' -if USE_CORE == 'CORE_M4': - CPU = 'cortex-m4' -else: - CPU = 'cortex-m0' +CPU = 'cortex-m0' CROSS_TOOL='keil' @@ -35,7 +31,7 @@ if os.getenv('RTT_EXEC_PATH'): EXEC_PATH = os.getenv('RTT_EXEC_PATH') # -BUILD = 'release' +BUILD = 'debug' if PLATFORM == 'gcc': # toolchains @@ -48,23 +44,24 @@ if PLATFORM == 'gcc': SIZE = PREFIX + 'size' OBJDUMP = PREFIX + 'objdump' OBJCPY = PREFIX + 'objcopy' - DEVICE = ' -mcpu=' + CPU + ' -mthumb -ffunction-sections -fdata-sections' - if USE_CORE == 'CORE_M4': - DEVICE += ' -mfpu=fpv4-sp-d16 -mfloat-abi=softfp' - CFLAGS = DEVICE + DEVICE = ' -mthumb -mcpu=cortex-m0 -ffunction-sections -fdata-sections' + CFLAGS = DEVICE AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb ' - LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-lpc43xx.map,-cref,-u,Reset_Handler -T rtthread-lpc43xx_spifi.ld' + LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-lpc43xx.map,-cref,-u,Reset_Handler -T rtthread-lpc43xx.ld' CPATH = '' LPATH = '' + CFLAGS += ' -gdwarf-2' + AFLAGS += ' -gdwarf-2' if BUILD == 'debug': - CFLAGS += ' -O0 -gdwarf-2' - AFLAGS += ' -gdwarf-2' + CFLAGS += ' -O0' else: CFLAGS += ' -O2' - POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' + SIZE + ' $TARGET \n' + POST_ACTION = OBJCPY + ' -O binary $TARGET rtthread.bin\n' +\ + SIZE + ' $TARGET \n' +\ + '../bin2C.py rtthread.bin ../M4/applications/M0_CODE.h' elif PLATFORM == 'armcc': # toolchains diff --git a/bsp/lpc43xx/M0/rtthread-lpc43xx.ld b/bsp/lpc43xx/M0/rtthread-lpc43xx.ld new file mode 100644 index 000000000..3419e6f23 --- /dev/null +++ b/bsp/lpc43xx/M0/rtthread-lpc43xx.ld @@ -0,0 +1,133 @@ +/* + * linker script for LPC43xx SPIFI (4Mb NorFlash, 32kB SRAM ) with GNU ld + * yiyue.fang 2012-04-14 + */ + +/* Program Entry, set to mark it as "used" and avoid gc */ +MEMORY +{ + CODE (rx) : ORIGIN = 0x1B000000, LENGTH = 0x00080000 + DATA (rw) : ORIGIN = 0x10080000, LENGTH = 0x00008000 +} +ENTRY(Reset_Handler) +_system_stack_size = 0x200; + +SECTIONS +{ + .text : + { + . = ALIGN(4); + KEEP(*(.interrupt_vector)) /* Startup code */ + . = ALIGN(4); + *(.text) /* remaining code */ + *(.text.*) /* remaining code */ + *(.rodata) /* read-only data (constants) */ + *(.rodata*) + *(.glue_7) + *(.glue_7t) + *(.gnu.linkonce.t*) + + /* section information for finsh shell */ + . = ALIGN(4); + __fsymtab_start = .; + KEEP(*(FSymTab)) + __fsymtab_end = .; + . = ALIGN(4); + __vsymtab_start = .; + KEEP(*(VSymTab)) + __vsymtab_end = .; + . = ALIGN(4); + + . = ALIGN(4); + _etext = .; + } > CODE = 0 + + /* .ARM.exidx is sorted, so has to go in its own output section. */ + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + + /* This is used by the startup in order to initialize the .data secion */ + _sidata = .; + } > CODE + __exidx_end = .; + + /* .data section which is used for initialized data */ + + .data : AT (_sidata) + { + . = ALIGN(4); + /* This is used by the startup in order to initialize the .data secion */ + _sdata = . ; + + *(.data) + *(.data.*) + *(.gnu.linkonce.d*) + + . = ALIGN(4); + /* This is used by the startup in order to initialize the .data secion */ + _edata = . ; + } >DATA + + .stack : + { + . = . + _system_stack_size; + . = ALIGN(4); + _estack = .; + } >DATA + + __bss_start = .; + .bss : + { + . = ALIGN(4); + /* This is used by the startup in order to initialize the .bss secion */ + _sbss = .; + + *(.bss) + *(.bss.*) + *(COMMON) + + . = ALIGN(4); + /* This is used by the startup in order to initialize the .bss secion */ + _ebss = . ; + *(.bss.init) + } > DATA + __bss_end = .; + + _end = .; + + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + * Symbols in the DWARF debugging sections are relative to the beginning + * of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } +} diff --git a/bsp/lpc43xx/M4/rtconfig.py b/bsp/lpc43xx/M4/rtconfig.py index b19c39016..f73811f23 100644 --- a/bsp/lpc43xx/M4/rtconfig.py +++ b/bsp/lpc43xx/M4/rtconfig.py @@ -35,7 +35,7 @@ if os.getenv('RTT_EXEC_PATH'): EXEC_PATH = os.getenv('RTT_EXEC_PATH') # -BUILD = 'release' +BUILD = 'debug' if PLATFORM == 'gcc': # toolchains @@ -44,7 +44,7 @@ if PLATFORM == 'gcc': AS = PREFIX + 'gcc' AR = PREFIX + 'ar' LINK = PREFIX + 'gcc' - TARGET_EXT = 'elf' + TARGET_EXT = 'axf' SIZE = PREFIX + 'size' OBJDUMP = PREFIX + 'objdump' OBJCPY = PREFIX + 'objcopy' @@ -53,14 +53,15 @@ if PLATFORM == 'gcc': DEVICE += ' -mfpu=fpv4-sp-d16 -mfloat-abi=softfp' CFLAGS = DEVICE AFLAGS = ' -c' + DEVICE + ' -x assembler-with-cpp -Wa,-mimplicit-it=thumb ' - LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-lpc43xx.map,-cref,-u,Reset_Handler -T rtthread-lpc43xx_spifi.ld' + LFLAGS = DEVICE + ' -Wl,--gc-sections,-Map=rtthread-lpc43xx.map,-cref,-u,Reset_Handler -T rtthread-lpc43xx.ld' CPATH = '' LPATH = '' + CFLAGS += ' -gdwarf-2' + AFLAGS += ' -gdwarf-2' if BUILD == 'debug': - CFLAGS += ' -O0 -gdwarf-2' - AFLAGS += ' -gdwarf-2' + CFLAGS += ' -O0' else: CFLAGS += ' -O2' diff --git a/bsp/lpc43xx/M4/rtthread-lpc43xx.ld b/bsp/lpc43xx/M4/rtthread-lpc43xx.ld new file mode 100644 index 000000000..81d1655b5 --- /dev/null +++ b/bsp/lpc43xx/M4/rtthread-lpc43xx.ld @@ -0,0 +1,140 @@ +/* + * linker script for LPC43xx SPIFI (4Mb NorFlash, 32kB SRAM ) with GNU ld + * yiyue.fang 2012-04-14 + */ + +/* Program Entry, set to mark it as "used" and avoid gc */ +MEMORY +{ + CODE (rx) : ORIGIN = 0x1A000000, LENGTH = 0x00080000 + M0CODE (rx) : ORIGIN = 0x1B000000, LENGTH = 0x00080000 + DATA (rw) : ORIGIN = 0x10000000, LENGTH = 0x00008000 +} +ENTRY(Reset_Handler) +_system_stack_size = 0x200; + +SECTIONS +{ + .text : + { + . = ALIGN(4); + KEEP(*(.interrupt_vector)) /* Startup code */ + . = ALIGN(4); + *(.text) /* remaining code */ + *(.text.*) /* remaining code */ + *(.rodata) /* read-only data (constants) */ + *(.rodata*) + *(.glue_7) + *(.glue_7t) + *(.gnu.linkonce.t*) + + /* section information for finsh shell */ + . = ALIGN(4); + __fsymtab_start = .; + KEEP(*(FSymTab)) + __fsymtab_end = .; + . = ALIGN(4); + __vsymtab_start = .; + KEEP(*(VSymTab)) + __vsymtab_end = .; + . = ALIGN(4); + + . = ALIGN(4); + _etext = .; + } > CODE = 0 + + /* .ARM.exidx is sorted, so has to go in its own output section. */ + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + + /* This is used by the startup in order to initialize the .data secion */ + _sidata = .; + } > CODE + __exidx_end = .; + + /* .data section which is used for initialized data */ + + .data : AT (_sidata) + { + . = ALIGN(4); + /* This is used by the startup in order to initialize the .data secion */ + _sdata = . ; + + *(.data) + *(.data.*) + *(.gnu.linkonce.d*) + + . = ALIGN(4); + /* This is used by the startup in order to initialize the .data secion */ + _edata = . ; + } >DATA + + . = _edata ; + .stack : + { + . = . + _system_stack_size; + . = ALIGN(4); + _estack = .; + } >DATA + + __bss_start = .; + .bss : + { + . = ALIGN(4); + /* This is used by the startup in order to initialize the .bss secion */ + _sbss = .; + + *(.bss) + *(.bss.*) + *(COMMON) + + . = ALIGN(4); + /* This is used by the startup in order to initialize the .bss secion */ + _ebss = . ; + *(.bss.init) + } > DATA + __bss_end = .; + + .text.M0CODE : + { + *(M0_CODE) + } > M0CODE = 0 + + _end = .; + + /* Stabs debugging sections. */ + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + /* DWARF debug sections. + * Symbols in the DWARF debugging sections are relative to the beginning + * of the section so we begin them at 0. */ + /* DWARF 1 */ + .debug 0 : { *(.debug) } + .line 0 : { *(.line) } + /* GNU DWARF 1 extensions */ + .debug_srcinfo 0 : { *(.debug_srcinfo) } + .debug_sfnames 0 : { *(.debug_sfnames) } + /* DWARF 1.1 and DWARF 2 */ + .debug_aranges 0 : { *(.debug_aranges) } + .debug_pubnames 0 : { *(.debug_pubnames) } + /* DWARF 2 */ + .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_line 0 : { *(.debug_line) } + .debug_frame 0 : { *(.debug_frame) } + .debug_str 0 : { *(.debug_str) } + .debug_loc 0 : { *(.debug_loc) } + .debug_macinfo 0 : { *(.debug_macinfo) } + /* SGI/MIPS DWARF 2 extensions */ + .debug_weaknames 0 : { *(.debug_weaknames) } + .debug_funcnames 0 : { *(.debug_funcnames) } + .debug_typenames 0 : { *(.debug_typenames) } + .debug_varnames 0 : { *(.debug_varnames) } +} -- GitLab