diff --git a/stmhal/Makefile b/stmhal/Makefile index b320e0c898..c8c7f97f8f 100644 --- a/stmhal/Makefile +++ b/stmhal/Makefile @@ -18,6 +18,7 @@ QSTR_DEFS = qstrdefsport.h $(BUILD)/pins_qstr.h $(BUILD)/modstm_qstr.h # include py core make definitions include ../py/py.mk +LD_DIR=boards CMSIS_DIR=cmsis HAL_DIR=hal/$(MCU_SERIES) USBDEV_DIR=usbdev @@ -59,7 +60,7 @@ CFLAGS += $(COPT) CFLAGS += -Iboards/$(BOARD) CFLAGS += -DSTM32_HAL_H='' -LDFLAGS = -nostdlib -T $(LD_FILE) -Map=$(@:.elf=.map) --cref +LDFLAGS = -nostdlib -L $(LD_DIR) -T $(LD_FILE) -Map=$(@:.elf=.map) --cref LIBS = # Remove uncalled code from the final image. diff --git a/stmhal/boards/common.ld b/stmhal/boards/common.ld new file mode 100644 index 0000000000..9716c596e2 --- /dev/null +++ b/stmhal/boards/common.ld @@ -0,0 +1,82 @@ +ENTRY(Reset_Handler) + +/* define output sections */ +SECTIONS +{ + /* The startup code goes first into FLASH */ + .isr_vector : + { + . = ALIGN(4); + KEEP(*(.isr_vector)) /* Startup code */ + + /* This first flash block is 16K annd the isr vectors only take up + about 400 bytes. So we pull in a couple of object files to pad it + out. */ + + . = ALIGN(4); + */ff.o(.text*) + */stm32f4xx_hal_sd.o(.text*) + + . = ALIGN(4); + } >FLASH_ISR + + /* The program code and other data goes into FLASH */ + .text : + { + . = ALIGN(4); + *(.text*) /* .text* sections (code) */ + *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ + /* *(.glue_7) */ /* glue arm to thumb code */ + /* *(.glue_7t) */ /* glue thumb to arm code */ + + . = ALIGN(4); + _etext = .; /* define a global symbol at end of code */ + } >FLASH_TEXT + + /* used by the startup to initialize data */ + _sidata = LOADADDR(.data); + + /* This is the initialized data section + The program executes knowing that the data is in the RAM + but the loader puts the initial values in the FLASH (inidata). + It is one task of the startup to copy the initial values from FLASH to RAM. */ + .data : + { + . = ALIGN(4); + _sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */ + *(.data*) /* .data* sections */ + + . = ALIGN(4); + _edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */ + } >RAM AT> FLASH_TEXT + + /* Uninitialized data section */ + .bss : + { + . = ALIGN(4); + _sbss = .; /* define a global symbol at bss start; used by startup code */ + *(.bss*) + *(COMMON) + + . = ALIGN(4); + _ebss = .; /* define a global symbol at bss end; used by startup code and GC */ + } >RAM + + /* this is to define the start of the heap, and make sure we have a minimum size */ + .heap : + { + . = ALIGN(4); + . = . + _minimum_heap_size; + . = ALIGN(4); + } >RAM + + /* this just checks there is enough RAM for the stack */ + .stack : + { + . = ALIGN(4); + . = . + _minimum_stack_size; + . = ALIGN(4); + } >RAM + + .ARM.attributes 0 : { *(.ARM.attributes) } +} diff --git a/stmhal/boards/stm32f401.ld b/stmhal/boards/stm32f401.ld index 392142d729..2d81841ff4 100644 --- a/stmhal/boards/stm32f401.ld +++ b/stmhal/boards/stm32f401.ld @@ -13,8 +13,6 @@ MEMORY RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 0x018000 /* 96 KiB */ } -ENTRY(Reset_Handler) - /* produce a link error if there is not this amount of RAM for these sections */ _minimum_stack_size = 2K; _minimum_heap_size = 16K; @@ -24,114 +22,11 @@ _minimum_heap_size = 16K; aligned for a call. */ _estack = ORIGIN(RAM) + LENGTH(RAM); +/* define common sections and symbols */ +INCLUDE common.ld + /* RAM extents for the garbage collector */ +_ram_start = ORIGIN(RAM); _ram_end = ORIGIN(RAM) + LENGTH(RAM); +_heap_start = _ebss; /* heap starts just after statically allocated memory */ _heap_end = 0x20014000; /* tunable */ - -/* define output sections */ -SECTIONS -{ - /* The startup code goes first into FLASH */ - .isr_vector : - { - . = ALIGN(4); - KEEP(*(.isr_vector)) /* Startup code */ - - /* This first flash block is 16K annd the isr vectors only take up - about 400 bytes. So we pull in a couple of object files to pad it - out. */ - - . = ALIGN(4); - */ff.o(.text*) - */stm32f4xx_hal_sd.o(.text*) - - . = ALIGN(4); - } >FLASH_ISR - - /* The program code and other data goes into FLASH */ - .text : - { - . = ALIGN(4); - *(.text*) /* .text* sections (code) */ - *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ - /* *(.glue_7) */ /* glue arm to thumb code */ - /* *(.glue_7t) */ /* glue thumb to arm code */ - - . = ALIGN(4); - _etext = .; /* define a global symbol at end of code */ - } >FLASH_TEXT - - /* - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } >FLASH - - .ARM : - { - __exidx_start = .; - *(.ARM.exidx*) - __exidx_end = .; - } >FLASH - */ - - /* used by the startup to initialize data */ - _sidata = LOADADDR(.data); - - /* This is the initialized data section - The program executes knowing that the data is in the RAM - but the loader puts the initial values in the FLASH (inidata). - It is one task of the startup to copy the initial values from FLASH to RAM. */ - .data : - { - . = ALIGN(4); - _sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */ - _ram_start = .; /* create a global symbol at ram start for garbage collector */ - *(.data*) /* .data* sections */ - - . = ALIGN(4); - _edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */ - } >RAM AT> FLASH_TEXT - - /* Uninitialized data section */ - .bss : - { - . = ALIGN(4); - _sbss = .; /* define a global symbol at bss start; used by startup code */ - *(.bss*) - *(COMMON) - - . = ALIGN(4); - _ebss = .; /* define a global symbol at bss end; used by startup code and GC */ - } >RAM - - /* this is to define the start of the heap, and make sure we have a minimum size */ - .heap : - { - . = ALIGN(4); - PROVIDE ( end = . ); - PROVIDE ( _end = . ); - _heap_start = .; /* define a global symbol at heap start */ - . = . + _minimum_heap_size; - } >RAM - - /* this just checks there is enough RAM for the stack */ - .stack : - { - . = ALIGN(4); - . = . + _minimum_stack_size; - . = ALIGN(4); - } >RAM - - /* Remove information from the standard libraries */ - /* - /DISCARD/ : - { - libc.a ( * ) - libm.a ( * ) - libgcc.a ( * ) - } - */ - - .ARM.attributes 0 : { *(.ARM.attributes) } -} diff --git a/stmhal/boards/stm32f405.ld b/stmhal/boards/stm32f405.ld index 5d9f0d2a9d..51be4538ad 100644 --- a/stmhal/boards/stm32f405.ld +++ b/stmhal/boards/stm32f405.ld @@ -12,8 +12,6 @@ MEMORY RAM (xrw) : ORIGIN = 0x20000000, LENGTH = 0x020000 /* 128 KiB */ } -ENTRY(Reset_Handler) - /* produce a link error if there is not this amount of RAM for these sections */ _minimum_stack_size = 2K; _minimum_heap_size = 16K; @@ -23,114 +21,11 @@ _minimum_heap_size = 16K; aligned for a call. */ _estack = ORIGIN(RAM) + LENGTH(RAM); +/* define common sections and symbols */ +INCLUDE common.ld + /* RAM extents for the garbage collector */ +_ram_start = ORIGIN(RAM); _ram_end = ORIGIN(RAM) + LENGTH(RAM); +_heap_start = _ebss; /* heap starts just after statically allocated memory */ _heap_end = 0x2001c000; /* tunable */ - -/* define output sections */ -SECTIONS -{ - /* The startup code goes first into FLASH */ - .isr_vector : - { - . = ALIGN(4); - KEEP(*(.isr_vector)) /* Startup code */ - - /* This first flash block is 16K annd the isr vectors only take up - about 400 bytes. So we pull in a couple of object files to pad it - out. */ - - . = ALIGN(4); - */ff.o(.text*) - */stm32f4xx_hal_sd.o(.text*) - - . = ALIGN(4); - } >FLASH_ISR - - /* The program code and other data goes into FLASH */ - .text : - { - . = ALIGN(4); - *(.text*) /* .text* sections (code) */ - *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ - /* *(.glue_7) */ /* glue arm to thumb code */ - /* *(.glue_7t) */ /* glue thumb to arm code */ - - . = ALIGN(4); - _etext = .; /* define a global symbol at end of code */ - } >FLASH_TEXT - - /* - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } >FLASH - - .ARM : - { - __exidx_start = .; - *(.ARM.exidx*) - __exidx_end = .; - } >FLASH - */ - - /* used by the startup to initialize data */ - _sidata = LOADADDR(.data); - - /* This is the initialized data section - The program executes knowing that the data is in the RAM - but the loader puts the initial values in the FLASH (inidata). - It is one task of the startup to copy the initial values from FLASH to RAM. */ - .data : - { - . = ALIGN(4); - _sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */ - _ram_start = .; /* create a global symbol at ram start for garbage collector */ - *(.data*) /* .data* sections */ - - . = ALIGN(4); - _edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */ - } >RAM AT> FLASH_TEXT - - /* Uninitialized data section */ - .bss : - { - . = ALIGN(4); - _sbss = .; /* define a global symbol at bss start; used by startup code */ - *(.bss*) - *(COMMON) - - . = ALIGN(4); - _ebss = .; /* define a global symbol at bss end; used by startup code and GC */ - } >RAM - - /* this is to define the start of the heap, and make sure we have a minimum size */ - .heap : - { - . = ALIGN(4); - PROVIDE ( end = . ); - PROVIDE ( _end = . ); - _heap_start = .; /* define a global symbol at heap start */ - . = . + _minimum_heap_size; - } >RAM - - /* this just checks there is enough RAM for the stack */ - .stack : - { - . = ALIGN(4); - . = . + _minimum_stack_size; - . = ALIGN(4); - } >RAM - - /* Remove information from the standard libraries */ - /* - /DISCARD/ : - { - libc.a ( * ) - libm.a ( * ) - libgcc.a ( * ) - } - */ - - .ARM.attributes 0 : { *(.ARM.attributes) } -} diff --git a/stmhal/boards/stm32f411.ld b/stmhal/boards/stm32f411.ld index e4086e9f8b..823b5f56ad 100644 --- a/stmhal/boards/stm32f411.ld +++ b/stmhal/boards/stm32f411.ld @@ -21,110 +21,11 @@ _minimum_heap_size = 16K; /*_stack_end = ORIGIN(RAM) + LENGTH(RAM);*/ _estack = ORIGIN(RAM) + LENGTH(RAM) - 1; +/* define common sections and symbols */ +INCLUDE common.ld + /* RAM extents for the garbage collector */ +_ram_start = ORIGIN(RAM); _ram_end = ORIGIN(RAM) + LENGTH(RAM); +_heap_start = _ebss; /* heap starts just after statically allocated memory */ _heap_end = 0x2001c000; /* tunable */ - -/* define output sections */ -SECTIONS -{ - /* The startup code goes first into FLASH */ - .isr_vector : - { - . = ALIGN(4); - KEEP(*(.isr_vector)) /* Startup code */ - - . = ALIGN(4); - } >FLASH_ISR - - /* The program code and other data goes into FLASH */ - .text : - { - . = ALIGN(4); - *(.text) /* .text sections (code) */ - *(.text*) /* .text* sections (code) */ - *(.rodata) /* .rodata sections (constants, strings, etc.) */ - *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ - /* *(.glue_7) */ /* glue arm to thumb code */ - /* *(.glue_7t) */ /* glue thumb to arm code */ - - . = ALIGN(4); - _etext = .; /* define a global symbol at end of code */ - } >FLASH_TEXT - - /* - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } >FLASH - - .ARM : - { - __exidx_start = .; - *(.ARM.exidx*) - __exidx_end = .; - } >FLASH - */ - - /* used by the startup to initialize data */ - _sidata = LOADADDR(.data); - - /* This is the initialized data section - The program executes knowing that the data is in the RAM - but the loader puts the initial values in the FLASH (inidata). - It is one task of the startup to copy the initial values from FLASH to RAM. */ - .data : - { - . = ALIGN(4); - _sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */ - _ram_start = .; /* create a global symbol at ram start for garbage collector */ - *(.data) /* .data sections */ - *(.data*) /* .data* sections */ - - . = ALIGN(4); - _edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */ - } >RAM AT> FLASH_TEXT - - /* Uninitialized data section */ - .bss : - { - . = ALIGN(4); - _sbss = .; /* define a global symbol at bss start; used by startup code */ - *(.bss) - *(.bss*) - *(COMMON) - - . = ALIGN(4); - _ebss = .; /* define a global symbol at bss end; used by startup code and GC */ - } >RAM - - /* this is to define the start of the heap, and make sure we have a minimum size */ - .heap : - { - . = ALIGN(4); - PROVIDE ( end = . ); - PROVIDE ( _end = . ); - _heap_start = .; /* define a global symbol at heap start */ - . = . + _minimum_heap_size; - } >RAM - - /* this just checks there is enough RAM for the stack */ - .stack : - { - . = ALIGN(4); - . = . + _minimum_stack_size; - . = ALIGN(4); - } >RAM - - /* Remove information from the standard libraries */ - /* - /DISCARD/ : - { - libc.a ( * ) - libm.a ( * ) - libgcc.a ( * ) - } - */ - - .ARM.attributes 0 : { *(.ARM.attributes) } -} diff --git a/stmhal/boards/stm32f429.ld b/stmhal/boards/stm32f429.ld index 8c1f19be4c..d199f45508 100644 --- a/stmhal/boards/stm32f429.ld +++ b/stmhal/boards/stm32f429.ld @@ -21,110 +21,11 @@ _minimum_heap_size = 16K; /*_stack_end = ORIGIN(RAM) + LENGTH(RAM);*/ _estack = ORIGIN(RAM) + LENGTH(RAM) - 1; +/* define common sections and symbols */ +INCLUDE common.ld + /* RAM extents for the garbage collector */ +_ram_start = ORIGIN(RAM); _ram_end = ORIGIN(RAM) + LENGTH(RAM); +_heap_start = _ebss; /* heap starts just after statically allocated memory */ _heap_end = 0x2001c000; /* tunable */ - -/* define output sections */ -SECTIONS -{ - /* The startup code goes first into FLASH */ - .isr_vector : - { - . = ALIGN(4); - KEEP(*(.isr_vector)) /* Startup code */ - - . = ALIGN(4); - } >FLASH_ISR - - /* The program code and other data goes into FLASH */ - .text : - { - . = ALIGN(4); - *(.text) /* .text sections (code) */ - *(.text*) /* .text* sections (code) */ - *(.rodata) /* .rodata sections (constants, strings, etc.) */ - *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ - /* *(.glue_7) */ /* glue arm to thumb code */ - /* *(.glue_7t) */ /* glue thumb to arm code */ - - . = ALIGN(4); - _etext = .; /* define a global symbol at end of code */ - } >FLASH_TEXT - - /* - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } >FLASH - - .ARM : - { - __exidx_start = .; - *(.ARM.exidx*) - __exidx_end = .; - } >FLASH - */ - - /* used by the startup to initialize data */ - _sidata = LOADADDR(.data); - - /* This is the initialized data section - The program executes knowing that the data is in the RAM - but the loader puts the initial values in the FLASH (inidata). - It is one task of the startup to copy the initial values from FLASH to RAM. */ - .data : - { - . = ALIGN(4); - _sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */ - _ram_start = .; /* create a global symbol at ram start for garbage collector */ - *(.data) /* .data sections */ - *(.data*) /* .data* sections */ - - . = ALIGN(4); - _edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */ - } >RAM AT> FLASH_TEXT - - /* Uninitialized data section */ - .bss : - { - . = ALIGN(4); - _sbss = .; /* define a global symbol at bss start; used by startup code */ - *(.bss) - *(.bss*) - *(COMMON) - - . = ALIGN(4); - _ebss = .; /* define a global symbol at bss end; used by startup code and GC */ - } >RAM - - /* this is to define the start of the heap, and make sure we have a minimum size */ - .heap : - { - . = ALIGN(4); - PROVIDE ( end = . ); - PROVIDE ( _end = . ); - _heap_start = .; /* define a global symbol at heap start */ - . = . + _minimum_heap_size; - } >RAM - - /* this just checks there is enough RAM for the stack */ - .stack : - { - . = ALIGN(4); - . = . + _minimum_stack_size; - . = ALIGN(4); - } >RAM - - /* Remove information from the standard libraries */ - /* - /DISCARD/ : - { - libc.a ( * ) - libm.a ( * ) - libgcc.a ( * ) - } - */ - - .ARM.attributes 0 : { *(.ARM.attributes) } -} diff --git a/stmhal/boards/stm32f439.ld b/stmhal/boards/stm32f439.ld index ba6abc4d6c..0da185e89e 100644 --- a/stmhal/boards/stm32f439.ld +++ b/stmhal/boards/stm32f439.ld @@ -19,110 +19,11 @@ _minimum_heap_size = 16K; /* top end of the stack */ _estack = ORIGIN(RAM) + LENGTH(RAM); +/* define common sections and symbols */ +INCLUDE common.ld + /* RAM extents for the garbage collector */ +_ram_start = ORIGIN(RAM); _ram_end = ORIGIN(RAM) + LENGTH(RAM); +_heap_start = _ebss; /* heap starts just after statically allocated memory */ _heap_end = 0x2002c000; /* tunable */ - -/* define output sections */ -SECTIONS -{ - /* The startup code goes first into FLASH */ - .isr_vector : - { - . = ALIGN(4); - KEEP(*(.isr_vector)) /* Startup code */ - - . = ALIGN(4); - } >FLASH_ISR - - /* The program code and other data goes into FLASH */ - .text : - { - . = ALIGN(4); - *(.text) /* .text sections (code) */ - *(.text*) /* .text* sections (code) */ - *(.rodata) /* .rodata sections (constants, strings, etc.) */ - *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ - /* *(.glue_7) */ /* glue arm to thumb code */ - /* *(.glue_7t) */ /* glue thumb to arm code */ - - . = ALIGN(4); - _etext = .; /* define a global symbol at end of code */ - } >FLASH_TEXT - - /* - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } >FLASH - - .ARM : - { - __exidx_start = .; - *(.ARM.exidx*) - __exidx_end = .; - } >FLASH - */ - - /* used by the startup to initialize data */ - _sidata = LOADADDR(.data); - - /* This is the initialized data section - The program executes knowing that the data is in the RAM - but the loader puts the initial values in the FLASH (inidata). - It is one task of the startup to copy the initial values from FLASH to RAM. */ - .data : - { - . = ALIGN(4); - _sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */ - _ram_start = .; /* create a global symbol at ram start for garbage collector */ - *(.data) /* .data sections */ - *(.data*) /* .data* sections */ - - . = ALIGN(4); - _edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */ - } >RAM AT> FLASH_TEXT - - /* Uninitialized data section */ - .bss : - { - . = ALIGN(4); - _sbss = .; /* define a global symbol at bss start; used by startup code */ - *(.bss) - *(.bss*) - *(COMMON) - - . = ALIGN(4); - _ebss = .; /* define a global symbol at bss end; used by startup code and GC */ - } >RAM - - /* this is to define the start of the heap, and make sure we have a minimum size */ - .heap : - { - . = ALIGN(4); - PROVIDE ( end = . ); - PROVIDE ( _end = . ); - _heap_start = .; /* define a global symbol at heap start */ - . = . + _minimum_heap_size; - } >RAM - - /* this just checks there is enough RAM for the stack */ - .stack : - { - . = ALIGN(4); - . = . + _minimum_stack_size; - . = ALIGN(4); - } >RAM - - /* Remove information from the standard libraries */ - /* - /DISCARD/ : - { - libc.a ( * ) - libm.a ( * ) - libgcc.a ( * ) - } - */ - - .ARM.attributes 0 : { *(.ARM.attributes) } -} diff --git a/stmhal/boards/stm32f746.ld b/stmhal/boards/stm32f746.ld index dccb5e0e97..ce5e85bb6d 100644 --- a/stmhal/boards/stm32f746.ld +++ b/stmhal/boards/stm32f746.ld @@ -13,8 +13,6 @@ MEMORY RAM (xrw) : ORIGIN = 0x20010000, LENGTH = 256K /* SRAM1 = 240K, SRAM2 = 16K */ } -ENTRY(Reset_Handler) - /* produce a link error if there is not this amount of RAM for these sections */ _minimum_stack_size = 2K; _minimum_heap_size = 16K; @@ -24,114 +22,11 @@ _minimum_heap_size = 16K; aligned for a call. */ _estack = ORIGIN(RAM) + LENGTH(RAM); +/* define common sections and symbols */ +INCLUDE common.ld + /* RAM extents for the garbage collector */ +_ram_start = ORIGIN(RAM); _ram_end = ORIGIN(RAM) + LENGTH(RAM); +_heap_start = _ebss; /* heap starts just after statically allocated memory */ _heap_end = 0x2004c000; /* tunable */ - -/* define output sections */ -SECTIONS -{ - /* The startup code goes first into FLASH */ - .isr_vector : - { - . = ALIGN(4); - KEEP(*(.isr_vector)) /* Startup code */ - - /* This first flash block is 16K annd the isr vectors only take up - about 400 bytes. So we pull in a couple of object files to pad it - out. */ - - . = ALIGN(4); - */ff.o(.text*) - */stm32f4xx_hal_sd.o(.text*) - - . = ALIGN(4); - } >FLASH_ISR - - /* The program code and other data goes into FLASH */ - .text : - { - . = ALIGN(4); - *(.text*) /* .text* sections (code) */ - *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ - /* *(.glue_7) */ /* glue arm to thumb code */ - /* *(.glue_7t) */ /* glue thumb to arm code */ - - . = ALIGN(4); - _etext = .; /* define a global symbol at end of code */ - } >FLASH_TEXT - - /* - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } >FLASH - - .ARM : - { - __exidx_start = .; - *(.ARM.exidx*) - __exidx_end = .; - } >FLASH - */ - - /* used by the startup to initialize data */ - _sidata = LOADADDR(.data); - - /* This is the initialized data section - The program executes knowing that the data is in the RAM - but the loader puts the initial values in the FLASH (inidata). - It is one task of the startup to copy the initial values from FLASH to RAM. */ - .data : - { - . = ALIGN(4); - _sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */ - _ram_start = .; /* create a global symbol at ram start for garbage collector */ - *(.data*) /* .data* sections */ - - . = ALIGN(4); - _edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */ - } >RAM AT> FLASH_TEXT - - /* Uninitialized data section */ - .bss : - { - . = ALIGN(4); - _sbss = .; /* define a global symbol at bss start; used by startup code */ - *(.bss*) - *(COMMON) - - . = ALIGN(4); - _ebss = .; /* define a global symbol at bss end; used by startup code and GC */ - } >RAM - - /* this is to define the start of the heap, and make sure we have a minimum size */ - .heap : - { - . = ALIGN(4); - PROVIDE ( end = . ); - PROVIDE ( _end = . ); - _heap_start = .; /* define a global symbol at heap start */ - . = . + _minimum_heap_size; - } >RAM - - /* this just checks there is enough RAM for the stack */ - .stack : - { - . = ALIGN(4); - . = . + _minimum_stack_size; - . = ALIGN(4); - } >RAM - - /* Remove information from the standard libraries */ - /* - /DISCARD/ : - { - libc.a ( * ) - libm.a ( * ) - libgcc.a ( * ) - } - */ - - .ARM.attributes 0 : { *(.ARM.attributes) } -} diff --git a/stmhal/boards/stm32l476xe.ld b/stmhal/boards/stm32l476xe.ld index a4b1ce0974..a0fad47a8e 100644 --- a/stmhal/boards/stm32l476xe.ld +++ b/stmhal/boards/stm32l476xe.ld @@ -13,8 +13,6 @@ MEMORY SRAM2 (xrw) : ORIGIN = 0x10000000, LENGTH = 32K } -ENTRY(Reset_Handler) - /* produce a link error if there is not this amount of RAM for these sections */ _minimum_stack_size = 2K; _minimum_heap_size = 16K; @@ -24,111 +22,11 @@ _minimum_heap_size = 16K; aligned for a call. */ _estack = ORIGIN(RAM) + LENGTH(RAM); +/* define common sections and symbols */ +INCLUDE common.ld + /* RAM extents for the garbage collector */ +_ram_start = ORIGIN(RAM); _ram_end = ORIGIN(RAM) + LENGTH(RAM); +_heap_start = _ebss; /* heap starts just after statically allocated memory */ _heap_end = 0x20014000; /* tunable */ - - -/* define output sections */ -SECTIONS -{ - /* The startup code goes first into FLASH */ - .isr_vector : - { - . = ALIGN(4); - KEEP(*(.isr_vector)) /* Startup code */ - - . = ALIGN(4); - } >FLASH_ISR - - /* The program code and other data goes into FLASH */ - .text : - { - . = ALIGN(4); - *(.text) /* .text sections (code) */ - *(.text*) /* .text* sections (code) */ - *(.rodata) /* .rodata sections (constants, strings, etc.) */ - *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ - /* *(.glue_7) */ /* glue arm to thumb code */ - /* *(.glue_7t) */ /* glue thumb to arm code */ - - . = ALIGN(4); - _etext = .; /* define a global symbol at end of code */ - } >FLASH_TEXT - - /* - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } >FLASH - - .ARM : - { - __exidx_start = .; - *(.ARM.exidx*) - __exidx_end = .; - } >FLASH - */ - - /* used by the startup to initialize data */ - _sidata = LOADADDR(.data); - - /* This is the initialized data section - The program executes knowing that the data is in the RAM - but the loader puts the initial values in the FLASH (inidata). - It is one task of the startup to copy the initial values from FLASH to RAM. */ - .data : - { - . = ALIGN(4); - _sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */ - _ram_start = .; /* create a global symbol at ram start for garbage collector */ - *(.data) /* .data sections */ - *(.data*) /* .data* sections */ - - . = ALIGN(4); - _edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */ - } >RAM AT> FLASH_TEXT - - /* Uninitialized data section */ - .bss : - { - . = ALIGN(4); - _sbss = .; /* define a global symbol at bss start; used by startup code */ - *(.bss) - *(.bss*) - *(COMMON) - - . = ALIGN(4); - _ebss = .; /* define a global symbol at bss end; used by startup code and GC */ - } >RAM - - /* this is to define the start of the heap, and make sure we have a minimum size */ - .heap : - { - . = ALIGN(4); - PROVIDE ( end = . ); - PROVIDE ( _end = . ); - _heap_start = .; /* define a global symbol at heap start */ - . = . + _minimum_heap_size; - } >RAM - - /* this just checks there is enough RAM for the stack */ - .stack : - { - . = ALIGN(4); - . = . + _minimum_stack_size; - . = ALIGN(4); - } >RAM - - /* Remove information from the standard libraries */ - /* - /DISCARD/ : - { - libc.a ( * ) - libm.a ( * ) - libgcc.a ( * ) - } - */ - - .ARM.attributes 0 : { *(.ARM.attributes) } -} diff --git a/stmhal/boards/stm32l476xg.ld b/stmhal/boards/stm32l476xg.ld index 1f2b6694ca..4ca3078cc6 100644 --- a/stmhal/boards/stm32l476xg.ld +++ b/stmhal/boards/stm32l476xg.ld @@ -24,111 +24,11 @@ _minimum_heap_size = 16K; aligned for a call. */ _estack = ORIGIN(RAM) + LENGTH(RAM); +/* define common sections and symbols */ +INCLUDE common.ld + /* RAM extents for the garbage collector */ +_ram_start = ORIGIN(RAM); _ram_end = ORIGIN(RAM) + LENGTH(RAM); +_heap_start = _ebss; /* heap starts just after statically allocated memory */ _heap_end = 0x20014000; /* tunable */ - - -/* define output sections */ -SECTIONS -{ - /* The startup code goes first into FLASH */ - .isr_vector : - { - . = ALIGN(4); - KEEP(*(.isr_vector)) /* Startup code */ - - . = ALIGN(4); - } >FLASH_ISR - - /* The program code and other data goes into FLASH */ - .text : - { - . = ALIGN(4); - *(.text) /* .text sections (code) */ - *(.text*) /* .text* sections (code) */ - *(.rodata) /* .rodata sections (constants, strings, etc.) */ - *(.rodata*) /* .rodata* sections (constants, strings, etc.) */ - /* *(.glue_7) */ /* glue arm to thumb code */ - /* *(.glue_7t) */ /* glue thumb to arm code */ - - . = ALIGN(4); - _etext = .; /* define a global symbol at end of code */ - } >FLASH_TEXT - - /* - .ARM.extab : - { - *(.ARM.extab* .gnu.linkonce.armextab.*) - } >FLASH - - .ARM : - { - __exidx_start = .; - *(.ARM.exidx*) - __exidx_end = .; - } >FLASH - */ - - /* used by the startup to initialize data */ - _sidata = LOADADDR(.data); - - /* This is the initialized data section - The program executes knowing that the data is in the RAM - but the loader puts the initial values in the FLASH (inidata). - It is one task of the startup to copy the initial values from FLASH to RAM. */ - .data : - { - . = ALIGN(4); - _sdata = .; /* create a global symbol at data start; used by startup code in order to initialise the .data section in RAM */ - _ram_start = .; /* create a global symbol at ram start for garbage collector */ - *(.data) /* .data sections */ - *(.data*) /* .data* sections */ - - . = ALIGN(4); - _edata = .; /* define a global symbol at data end; used by startup code in order to initialise the .data section in RAM */ - } >RAM AT> FLASH_TEXT - - /* Uninitialized data section */ - .bss : - { - . = ALIGN(4); - _sbss = .; /* define a global symbol at bss start; used by startup code */ - *(.bss) - *(.bss*) - *(COMMON) - - . = ALIGN(4); - _ebss = .; /* define a global symbol at bss end; used by startup code and GC */ - } >RAM - - /* this is to define the start of the heap, and make sure we have a minimum size */ - .heap : - { - . = ALIGN(4); - PROVIDE ( end = . ); - PROVIDE ( _end = . ); - _heap_start = .; /* define a global symbol at heap start */ - . = . + _minimum_heap_size; - } >RAM - - /* this just checks there is enough RAM for the stack */ - .stack : - { - . = ALIGN(4); - . = . + _minimum_stack_size; - . = ALIGN(4); - } >RAM - - /* Remove information from the standard libraries */ - /* - /DISCARD/ : - { - libc.a ( * ) - libm.a ( * ) - libgcc.a ( * ) - } - */ - - .ARM.attributes 0 : { *(.ARM.attributes) } -}