diff options
Diffstat (limited to 'tinyusb/hw/bsp/da14695_dk_usb/da1469x.ld')
| -rwxr-xr-x | tinyusb/hw/bsp/da14695_dk_usb/da1469x.ld | 245 |
1 files changed, 245 insertions, 0 deletions
diff --git a/tinyusb/hw/bsp/da14695_dk_usb/da1469x.ld b/tinyusb/hw/bsp/da14695_dk_usb/da1469x.ld new file mode 100755 index 00000000..96507d6e --- /dev/null +++ b/tinyusb/hw/bsp/da14695_dk_usb/da1469x.ld @@ -0,0 +1,245 @@ +/* + * 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. + */ + +MEMORY +{ + /* + * Flash is remapped at 0x0 by 1st stage bootloader, but this is done with + * an offset derived from image header thus it is safer to use remapped + * address space at 0x0 instead of QSPI_M address space at 0x16000000. + * Bootloader partition is 32K, but 9K is currently reserved for product + * header (8K) and image header (1K). + * First 512 bytes of SYSRAM are remapped at 0x0 and used as ISR vector + * (there's no need to reallocate ISR vector) and thus cannot be used by + * application. + */ + + FLASH (r) : ORIGIN = (0x00000000), LENGTH = (1024 * 1024) + RAM (rw) : ORIGIN = (0x20000000), LENGTH = (512 * 1024) +} + +OUTPUT_FORMAT ("elf32-littlearm", "elf32-bigarm", "elf32-littlearm") + +/* 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__ + * __HeapBase + * __HeapLimit + * __StackLimit + * __StackTop + * __stack + * __bssnz_start__ + * __bssnz_end__ + */ +ENTRY(Reset_Handler) + +SECTIONS +{ + __text = .; + + .text : + { + __isr_vector_start = .; + KEEP(*(.isr_vector)) + /* ISR vector shall have exactly 512 bytes */ + . = __isr_vector_start + 0x200; + __isr_vector_end = .; + + *(.text) + *(.text.*) + + *(.libcmac.rom) + + 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*) + + *(.eh_frame*) + . = ALIGN(4); + } > FLASH + + .ARM.extab : + { + *(.ARM.extab* .gnu.linkonce.armextab.*) + . = ALIGN(4); + } > FLASH + + __exidx_start = .; + .ARM : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + . = ALIGN(4); + } > FLASH + __exidx_end = .; + + .intvect : + { + . = ALIGN(4); + __intvect_start__ = .; + . = . + (__isr_vector_end - __isr_vector_start); + . = ALIGN(4); + } > RAM + + .sleep_state (NOLOAD) : + { + . = ALIGN(4); + *(sleep_state) + } > RAM + + /* This section will be zeroed by RTT package init */ + .rtt (NOLOAD): + { + . = ALIGN(4); + *(.rtt) + . = ALIGN(4); + } > RAM + + __text_ram_addr = LOADADDR(.text_ram); + + .text_ram : + { + . = ALIGN(4); + __text_ram_start__ = .; + *(.text_ram*) + . = ALIGN(4); + __text_ram_end__ = .; + } > RAM AT > FLASH + + __etext = LOADADDR(.data); + + .data : + { + __data_start__ = .; + *(vtable) + *(.data*) + + . = ALIGN(4); + /* preinit data */ + PROVIDE_HIDDEN (__preinit_array_start = .); + *(.preinit_array) + PROVIDE_HIDDEN (__preinit_array_end = .); + + . = ALIGN(4); + /* init data */ + PROVIDE_HIDDEN (__init_array_start = .); + *(SORT(.init_array.*)) + *(.init_array) + PROVIDE_HIDDEN (__init_array_end = .); + + + . = ALIGN(4); + /* finit data */ + PROVIDE_HIDDEN (__fini_array_start = .); + *(SORT(.fini_array.*)) + *(.fini_array) + PROVIDE_HIDDEN (__fini_array_end = .); + + *(.jcr) + . = ALIGN(4); + /* All data end */ + __data_end__ = .; + } > RAM AT > FLASH + + .bssnz : + { + . = ALIGN(4); + __bssnz_start__ = .; + *(.bss.core.nz*) + . = ALIGN(4); + __bssnz_end__ = .; + } > RAM + + .bss : + { + . = ALIGN(4); + __bss_start__ = .; + *(.bss*) + *(COMMON) + . = ALIGN(4); + __bss_end__ = .; + } > RAM + + .cmac (NOLOAD) : + { + . = ALIGN(0x400); + *(.libcmac.ram) + } > RAM + + /* Heap starts after BSS */ + . = ALIGN(8); + __HeapBase = .; + + /* .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*) + } > RAM + + _ram_start = ORIGIN(RAM); + + /* Set stack top to end of RAM, and stack limit move down by + * size of stack_dummy section */ + __StackTop = ORIGIN(RAM) + LENGTH(RAM); + __StackLimit = __StackTop - SIZEOF(.stack_dummy); + PROVIDE(__stack = __StackTop); + + /* Top of head is the bottom of the stack */ + __HeapLimit = __StackLimit; + end = __HeapLimit; + + /* Check if data + heap + stack exceeds RAM limit */ + ASSERT(__HeapBase <= __HeapLimit, "region RAM overflowed with stack") + + /* Check that intvect is at the beginning of RAM */ + ASSERT(__intvect_start__ == ORIGIN(RAM), "intvect is not at beginning of RAM") +} + |