diff options
Diffstat (limited to 'hw/bsp/stm32f4discovery/stm32f4discovery.ld')
| -rw-r--r-- | hw/bsp/stm32f4discovery/stm32f4discovery.ld | 213 |
1 files changed, 213 insertions, 0 deletions
diff --git a/hw/bsp/stm32f4discovery/stm32f4discovery.ld b/hw/bsp/stm32f4discovery/stm32f4discovery.ld new file mode 100644 index 00000000..4c1541d3 --- /dev/null +++ b/hw/bsp/stm32f4discovery/stm32f4discovery.ld @@ -0,0 +1,213 @@ +/** + * Licensed to the Apache Software Foundation (ASF) under one + * or more contributor license agreements. See the NOTICE file + * distributed with this work for additional information + * regarding copyright ownership. The ASF licenses this file + * to you under the Apache License, Version 2.0 (the + * "License"); you may not use this file except in compliance + * with the License. You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, + * software distributed under the License is distributed on an + * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY + * KIND, either express or implied. See the License for the + * specific language governing permissions and limitations + * under the License. + */ + +/* Linker script for STM32F407 when running from flash and using the bootloader */ + +/* Linker script to configure memory regions. */ +MEMORY +{ + FLASH (rx) : ORIGIN = 0x08020000, LENGTH = 384K /* First image slot. */ + CCM (rwx) : ORIGIN = 0x10000000, LENGTH = 64K + RAM (rwx) : ORIGIN = 0x20000000, LENGTH = 128K +} + +/* Linker script to place sections and symbol values. Should be used together + * with other linker script that defines memory regions FLASH and RAM. + * It references following symbols, which must be defined in code: + * Reset_Handler : Entry of reset handler + * + * It defines following symbols, which code can use without definition: + * __exidx_start + * __exidx_end + * __etext + * __data_start__ + * __preinit_array_start + * __preinit_array_end + * __init_array_start + * __init_array_end + * __fini_array_start + * __fini_array_end + * __data_end__ + * __bss_start__ + * __bss_end__ + * __end__ + * end + * __HeapBase + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + * __coredata_start__ + * __coredata_end__ + * __corebss_start__ + * __corebss_end__ + * __ecoredata + * __ecorebss + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + /* Reserve space at the start of the image for the header. */ + .imghdr (NOLOAD): + { + . = . + 0x20; + } > FLASH + + .text : + { + __isr_vector_start = .; + KEEP(*(.isr_vector)) + __isr_vector_end = .; + *(.text*) + + KEEP(*(.init)) + KEEP(*(.fini)) + + /* .ctors */ + *crtbegin.o(.ctors) + *crtbegin?.o(.ctors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .ctors) + *(SORT(.ctors.*)) + *(.ctors) + + /* .dtors */ + *crtbegin.o(.dtors) + *crtbegin?.o(.dtors) + *(EXCLUDE_FILE(*crtend?.o *crtend.o) .dtors) + *(SORT(.dtors.*)) + *(.dtors) + + *(.rodata*) + + KEEP(*(.eh_frame*)) + } > FLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + } > FLASH + + __exidx_start = .; + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > FLASH + + __exidx_end = .; + + __etext = .; + + .vector_relocation : + { + . = ALIGN(4); + __vector_tbl_reloc__ = .; + . = . + (__isr_vector_end - __isr_vector_start); + . = ALIGN(4); + } > RAM + + .coredata : AT (__etext) + { + __coredata_start__ = .; + *(.data.core) + . = ALIGN(4); + __coredata_end__ = .; + } > CCM + + __ecoredata = __etext + SIZEOF(.coredata); + + .data : AT (__ecoredata) + { + __data_start__ = .; + *(vtable) + *(.data*) + + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + KEEP(*(.preinit_array)) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + KEEP(*(SORT(.init_array.*))) + KEEP(*(.init_array)) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + KEEP(*(SORT(.fini_array.*))) + KEEP(*(.fini_array)) + PROVIDE_HIDDEN (__fini_array_end = .); + + KEEP(*(.jcr*)) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + + } > RAM + + .corebss (NOLOAD): + { + . = ALIGN(4); + __corebss_start__ = .; + *(.bss.core) + . = ALIGN(4); + __corebss_end__ = .; + *(.corebss*) + *(.bss.core.nz) + . = ALIGN(4); + __ecorebss = .; + } > CCM + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + } > RAM + + __HeapBase = .; + __HeapLimit = ORIGIN(RAM) + LENGTH(RAM); + + _ram_start = ORIGIN(RAM); + _ccram_start = ORIGIN(CCRAM); + + /* .stack_dummy section doesn't contains any symbols. It is only + * used for linker to calculate size of stack sections, and assign + * values to stack symbols later */ + .stack_dummy (COPY): + { + *(.stack*) + } > CCM + + /* Set stack top to end of CCM; stack limit is bottom of stack */ + __StackTop = ORIGIN(CCM) + LENGTH(CCM); + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Check for CCM overflow */ + ASSERT(__StackLimit >= __ecorebss, "CCM overflow!") +} + |