diff options
Diffstat (limited to 'lib/cmsis-sam4e/gcc')
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/sam4e16c_flash.ld | 48 | ||||
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/sam4e16c_sram.ld | 48 | ||||
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/sam4e16e_flash.ld | 48 | ||||
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/sam4e16e_sram.ld | 48 | ||||
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/sam4e8c_flash.ld | 48 | ||||
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/sam4e8c_sram.ld | 48 | ||||
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/sam4e8e_flash.ld | 48 | ||||
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/sam4e8e_sram.ld | 48 | ||||
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/sam4e_flash.ld | 128 | ||||
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/sam4e_sram.ld | 128 | ||||
| -rw-r--r-- | lib/cmsis-sam4e/gcc/gcc/startup_sam4e.c | 217 | ||||
| -rw-r--r-- | lib/cmsis-sam4e/gcc/system_sam4e.c | 248 |
12 files changed, 1105 insertions, 0 deletions
diff --git a/lib/cmsis-sam4e/gcc/gcc/sam4e16c_flash.ld b/lib/cmsis-sam4e/gcc/gcc/sam4e16c_flash.ld new file mode 100644 index 00000000..524146f9 --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/sam4e16c_flash.ld @@ -0,0 +1,48 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +/*------------------------------------------------------------------------------ + * Linker script for running in internal FLASH on the ATSAM4E16C + *----------------------------------------------------------------------------*/ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ +MEMORY +{ + rom (rx) : ORIGIN = 0x00400000, LENGTH = 0x00100000 + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00020000 +} + +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x3000; + +INCLUDE sam4e_flash.ld diff --git a/lib/cmsis-sam4e/gcc/gcc/sam4e16c_sram.ld b/lib/cmsis-sam4e/gcc/gcc/sam4e16c_sram.ld new file mode 100644 index 00000000..61cefc95 --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/sam4e16c_sram.ld @@ -0,0 +1,48 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +/*------------------------------------------------------------------------------ + * Linker script for running in internal SRAM on the ATSAM4E16C + *----------------------------------------------------------------------------*/ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ +MEMORY +{ + rom (rx) : ORIGIN = 0x00400000, LENGTH = 0x00100000 + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00020000 +} + +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x3000; + +INCLUDE sam4e_sram.ld diff --git a/lib/cmsis-sam4e/gcc/gcc/sam4e16e_flash.ld b/lib/cmsis-sam4e/gcc/gcc/sam4e16e_flash.ld new file mode 100644 index 00000000..df595291 --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/sam4e16e_flash.ld @@ -0,0 +1,48 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +/*------------------------------------------------------------------------------ + * Linker script for running in internal FLASH on the ATSAM4E16E + *----------------------------------------------------------------------------*/ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ +MEMORY +{ + rom (rx) : ORIGIN = 0x00400000, LENGTH = 0x00100000 + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00020000 +} + +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x3000; + +INCLUDE sam4e_flash.ld diff --git a/lib/cmsis-sam4e/gcc/gcc/sam4e16e_sram.ld b/lib/cmsis-sam4e/gcc/gcc/sam4e16e_sram.ld new file mode 100644 index 00000000..24b21415 --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/sam4e16e_sram.ld @@ -0,0 +1,48 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +/*------------------------------------------------------------------------------ + * Linker script for running in internal SRAM on the ATSAM4E16E + *----------------------------------------------------------------------------*/ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ +MEMORY +{ + rom (rx) : ORIGIN = 0x00400000, LENGTH = 0x00100000 + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00020000 +} + +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x3000; + +INCLUDE sam4e_sram.ld diff --git a/lib/cmsis-sam4e/gcc/gcc/sam4e8c_flash.ld b/lib/cmsis-sam4e/gcc/gcc/sam4e8c_flash.ld new file mode 100644 index 00000000..47be249f --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/sam4e8c_flash.ld @@ -0,0 +1,48 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +/*------------------------------------------------------------------------------ + * Linker script for running in internal FLASH on the ATSAM4E8C + *----------------------------------------------------------------------------*/ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ +MEMORY +{ + rom (rx) : ORIGIN = 0x00400000, LENGTH = 0x00080000 + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00020000 +} + +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x3000; + +INCLUDE sam4e_flash.ld diff --git a/lib/cmsis-sam4e/gcc/gcc/sam4e8c_sram.ld b/lib/cmsis-sam4e/gcc/gcc/sam4e8c_sram.ld new file mode 100644 index 00000000..faf8864f --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/sam4e8c_sram.ld @@ -0,0 +1,48 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +/*------------------------------------------------------------------------------ + * Linker script for running in internal SRAM on the ATSAM4E8C + *----------------------------------------------------------------------------*/ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ +MEMORY +{ + rom (rx) : ORIGIN = 0x00400000, LENGTH = 0x00080000 + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00020000 +} + +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x3000; + +INCLUDE sam4e_sram.ld diff --git a/lib/cmsis-sam4e/gcc/gcc/sam4e8e_flash.ld b/lib/cmsis-sam4e/gcc/gcc/sam4e8e_flash.ld new file mode 100644 index 00000000..685fa1fb --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/sam4e8e_flash.ld @@ -0,0 +1,48 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +/*------------------------------------------------------------------------------ + * Linker script for running in internal FLASH on the ATSAM4E8E + *----------------------------------------------------------------------------*/ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ +MEMORY +{ + rom (rx) : ORIGIN = 0x00400000, LENGTH = 0x00080000 + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00020000 +} + +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x3000; + +INCLUDE sam4e_flash.ld diff --git a/lib/cmsis-sam4e/gcc/gcc/sam4e8e_sram.ld b/lib/cmsis-sam4e/gcc/gcc/sam4e8e_sram.ld new file mode 100644 index 00000000..dc961346 --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/sam4e8e_sram.ld @@ -0,0 +1,48 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +/*------------------------------------------------------------------------------ + * Linker script for running in internal SRAM on the ATSAM4E8E + *----------------------------------------------------------------------------*/ + +OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") +OUTPUT_ARCH(arm) +SEARCH_DIR(.) + +/* Memory Spaces Definitions */ +MEMORY +{ + rom (rx) : ORIGIN = 0x00400000, LENGTH = 0x00080000 + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 0x00020000 +} + +/* The stack size used by the application. NOTE: you need to adjust according to your application. */ +STACK_SIZE = DEFINED(STACK_SIZE) ? STACK_SIZE : 0x3000; + +INCLUDE sam4e_sram.ld diff --git a/lib/cmsis-sam4e/gcc/gcc/sam4e_flash.ld b/lib/cmsis-sam4e/gcc/gcc/sam4e_flash.ld new file mode 100644 index 00000000..0b42920a --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/sam4e_flash.ld @@ -0,0 +1,128 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +/* Section Definitions */ +SECTIONS +{ + .text : + { + . = ALIGN(4); + _sfixed = .; + KEEP(*(.vectors .vectors.*)) + *(.text .text.* .gnu.linkonce.t.*) + *(.glue_7t) *(.glue_7) + *(.rodata .rodata* .gnu.linkonce.r.*) + *(.ARM.extab* .gnu.linkonce.armextab.*) + + /* Support C constructors, and C destructors in both user code + and the C library. This also provides support for C++ code. */ + . = ALIGN(4); + KEEP(*(.init)) + . = ALIGN(4); + __preinit_array_start = .; + KEEP (*(.preinit_array)) + __preinit_array_end = .; + + . = ALIGN(4); + __init_array_start = .; + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + __init_array_end = .; + + . = ALIGN(0x4); + KEEP (*crtbegin.o(.ctors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*crtend.o(.ctors)) + + . = ALIGN(4); + KEEP(*(.fini)) + + . = ALIGN(4); + __fini_array_start = .; + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + __fini_array_end = .; + + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*crtend.o(.dtors)) + + . = ALIGN(4); + _efixed = .; /* End of text section */ + } > rom + + /* .ARM.exidx is sorted, so has to go in its own output section. */ + PROVIDE_HIDDEN (__exidx_start = .); + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > rom + PROVIDE_HIDDEN (__exidx_end = .); + + . = ALIGN(4); + _etext = .; + + .relocate : AT (_etext) + { + . = ALIGN(4); + _srelocate = .; + *(.ramfunc .ramfunc.*); + *(.data .data.*); + . = ALIGN(4); + _erelocate = .; + } > ram + + /* .bss section which is used for uninitialized data */ + .bss (NOLOAD) : + { + . = ALIGN(4); + _sbss = . ; + _szero = .; + *(.bss .bss.*) + *(COMMON) + . = ALIGN(4); + _ebss = . ; + _ezero = .; + } > ram + + /* stack section */ + .stack (NOLOAD): + { + . = ALIGN(8); + _sstack = .; + . = . + STACK_SIZE; + . = ALIGN(8); + _estack = .; + } > ram + + . = ALIGN(4); + _end = . ; +} diff --git a/lib/cmsis-sam4e/gcc/gcc/sam4e_sram.ld b/lib/cmsis-sam4e/gcc/gcc/sam4e_sram.ld new file mode 100644 index 00000000..a2e4d025 --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/sam4e_sram.ld @@ -0,0 +1,128 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +/* Section Definitions */ +SECTIONS +{ + .text : + { + . = ALIGN(4); + _sfixed = .; + KEEP(*(.vectors .vectors.*)) + *(.text .text.* .gnu.linkonce.t.*) + *(.glue_7t) *(.glue_7) + *(.rodata .rodata* .gnu.linkonce.r.*) + *(.ARM.extab* .gnu.linkonce.armextab.*) + + /* Support C constructors, and C destructors in both user code + and the C library. This also provides support for C++ code. */ + . = ALIGN(4); + KEEP(*(.init)) + . = ALIGN(4); + __preinit_array_start = .; + KEEP (*(.preinit_array)) + __preinit_array_end = .; + + . = ALIGN(4); + __init_array_start = .; + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + __init_array_end = .; + + . = ALIGN(0x4); + KEEP (*crtbegin.o(.ctors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors)) + KEEP (*(SORT(.ctors.*))) + KEEP (*crtend.o(.ctors)) + + . = ALIGN(4); + KEEP(*(.fini)) + + . = ALIGN(4); + __fini_array_start = .; + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + __fini_array_end = .; + + KEEP (*crtbegin.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*crtend.o(.dtors)) + + . = ALIGN(4); + _efixed = .; /* End of text section */ + } > ram + + . = ALIGN(4); + _etext = .; + + .relocate : AT (_etext) + { + . = ALIGN(4); + _srelocate = .; + *(.ramfunc .ramfunc.*); + *(.data .data.*); + . = ALIGN(4); + _erelocate = .; + } > ram + + /* .bss section which is used for uninitialized data */ + .bss (NOLOAD) : + { + . = ALIGN(4); + _sbss = . ; + _szero = .; + *(.bss .bss.*) + *(COMMON) + . = ALIGN(4); + _ebss = . ; + _ezero = .; + } > ram + + /* stack section */ + .stack (NOLOAD): + { + . = ALIGN(8); + _sstack = .; + . = . + STACK_SIZE; + . = ALIGN(8); + _estack = .; + } > ram + + /* .ARM.exidx is sorted, so has to go in its own output section. */ + PROVIDE_HIDDEN (__exidx_start = .); + .ARM.exidx : + { + *(.ARM.exidx* .gnu.linkonce.armexidx.*) + } > ram + PROVIDE_HIDDEN (__exidx_end = .); + + . = ALIGN(4); + _end = . ; +} diff --git a/lib/cmsis-sam4e/gcc/gcc/startup_sam4e.c b/lib/cmsis-sam4e/gcc/gcc/startup_sam4e.c new file mode 100644 index 00000000..fa6b305b --- /dev/null +++ b/lib/cmsis-sam4e/gcc/gcc/startup_sam4e.c @@ -0,0 +1,217 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +#include "sam4e.h" + +/* Initialize segments */ +extern uint32_t _sfixed; +extern uint32_t _efixed; +extern uint32_t _etext; +extern uint32_t _srelocate; +extern uint32_t _erelocate; +extern uint32_t _szero; +extern uint32_t _ezero; +extern uint32_t _sstack; +extern uint32_t _estack; + +/** \cond DOXYGEN_SHOULD_SKIP_THIS */ +int main(void); +/** \endcond */ + +void __libc_init_array(void); + +/* Default empty handler */ +void Dummy_Handler(void); + +/* Cortex-M4 core handlers */ +void NMI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void HardFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void MemManage_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void BusFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void UsageFault_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SVC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void DebugMon_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PendSV_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SysTick_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); + +/* Peripherals handlers */ +void SUPC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void RSTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void RTC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void RTT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void WDT_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PMC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void EFC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void UART0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PIOA_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PIOB_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PIOC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PIOD_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PIOE_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void USART0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void USART1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void HSMCI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TWI0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TWI1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void SPI_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void DMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC2_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC3_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC4_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC5_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC6_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC7_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void TC8_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void AFEC0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void AFEC1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void DACC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void ACC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void ARM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void UDP_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void PWM_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void CAN0_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void CAN1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void AES_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void GMAC_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); +void UART1_Handler ( void ) __attribute__ ((weak, alias("Dummy_Handler"))); + +/* Exception Table */ +__attribute__ ((section(".vectors"))) +const DeviceVectors exception_table = { + + /* Configure Initial Stack Pointer, using linker-generated symbols */ + (void*) (&_estack), + + (void*) Reset_Handler, + (void*) NMI_Handler, + (void*) HardFault_Handler, + (void*) MemManage_Handler, + (void*) BusFault_Handler, + (void*) UsageFault_Handler, + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) (0UL), /* Reserved */ + (void*) SVC_Handler, + (void*) DebugMon_Handler, + (void*) (0UL), /* Reserved */ + (void*) PendSV_Handler, + (void*) SysTick_Handler, + + /* Configurable interrupts */ + (void*) SUPC_Handler, /* 0 Supply Controller */ + (void*) RSTC_Handler, /* 1 Reset Controller */ + (void*) RTC_Handler, /* 2 Real Time Clock */ + (void*) RTT_Handler, /* 3 Real Time Timer */ + (void*) WDT_Handler, /* 4 Watchdog/Dual Watchdog Timer */ + (void*) PMC_Handler, /* 5 Power Management Controller */ + (void*) EFC_Handler, /* 6 Enhanced Embedded Flash Controller */ + (void*) UART0_Handler, /* 7 UART 0 */ + (void*) PIOA_Handler, /* 9 Parallel I/O Controller A */ + (void*) PIOB_Handler, /* 10 Parallel I/O Controller B */ + (void*) PIOC_Handler, /* 11 Parallel I/O Controller C */ + (void*) PIOD_Handler, /* 12 Parallel I/O Controller D */ + (void*) PIOE_Handler, /* 13 Parallel I/O Controller E */ + (void*) USART0_Handler, /* 14 USART 0 */ + (void*) USART1_Handler, /* 15 USART 1 */ + (void*) HSMCI_Handler, /* 16 Multimedia Card Interface */ + (void*) TWI0_Handler, /* 17 Two Wire Interface 0 */ + (void*) TWI1_Handler, /* 18 Two Wire Interface 1 */ + (void*) SPI_Handler, /* 19 Serial Peripheral Interface */ + (void*) DMAC_Handler, /* 20 DMAC */ + (void*) TC0_Handler, /* 21 Timer/Counter 0 */ + (void*) TC1_Handler, /* 22 Timer/Counter 1 */ + (void*) TC2_Handler, /* 23 Timer/Counter 2 */ + (void*) TC3_Handler, /* 24 Timer/Counter 3 */ + (void*) TC4_Handler, /* 25 Timer/Counter 4 */ + (void*) TC5_Handler, /* 26 Timer/Counter 5 */ + (void*) TC6_Handler, /* 27 Timer/Counter 6 */ + (void*) TC7_Handler, /* 28 Timer/Counter 7 */ + (void*) TC8_Handler, /* 29 Timer/Counter 8 */ + (void*) AFEC0_Handler, /* 30 Analog Front End 0 */ + (void*) AFEC1_Handler, /* 31 Analog Front End 1 */ + (void*) DACC_Handler, /* 32 Digital To Analog Converter */ + (void*) ACC_Handler, /* 33 Analog Comparator */ + (void*) ARM_Handler, /* 34 FPU signals : FPIXC, FPOFC, FPUFC, FPIOC, FPDZC, FPIDC, FPIXC */ + (void*) UDP_Handler, /* 35 USB DEVICE */ + (void*) PWM_Handler, /* 36 PWM */ + (void*) CAN0_Handler, /* 37 CAN0 */ + (void*) CAN1_Handler, /* 38 CAN1 */ + (void*) AES_Handler, /* 39 AES */ + (void*) GMAC_Handler, /* 44 EMAC */ + (void*) UART1_Handler /* 45 UART */ +}; + +/** + * \brief This is the code that gets called on processor reset. + * To initialize the device, and call the main() routine. + */ +void Reset_Handler(void) +{ + uint32_t *pSrc, *pDest; + + /* Initialize the relocate segment */ + pSrc = &_etext; + pDest = &_srelocate; + + if (pSrc != pDest) { + for (; pDest < &_erelocate;) { + *pDest++ = *pSrc++; + } + } + + /* Clear the zero segment */ + for (pDest = &_szero; pDest < &_ezero;) { + *pDest++ = 0; + } + + /* Set the vector table base address */ + pSrc = (uint32_t *) & _sfixed; + SCB->VTOR = ((uint32_t) pSrc & SCB_VTOR_TBLOFF_Msk); + + /* Initialize the C library */ + __libc_init_array(); + + /* Branch to main function */ + main(); + + /* Infinite loop */ + while (1); +} + +/** + * \brief Default interrupt handler for unused IRQs. + */ +void Dummy_Handler(void) +{ + while (1) { + } +} diff --git a/lib/cmsis-sam4e/gcc/system_sam4e.c b/lib/cmsis-sam4e/gcc/system_sam4e.c new file mode 100644 index 00000000..d7545f2e --- /dev/null +++ b/lib/cmsis-sam4e/gcc/system_sam4e.c @@ -0,0 +1,248 @@ +/* ---------------------------------------------------------------------------- */ +/* Atmel Microcontroller Software Support */ +/* SAM Software Package License */ +/* ---------------------------------------------------------------------------- */ +/* Copyright (c) %copyright_year%, Atmel Corporation */ +/* */ +/* All rights reserved. */ +/* */ +/* Redistribution and use in source and binary forms, with or without */ +/* modification, are permitted provided that the following condition is met: */ +/* */ +/* - Redistributions of source code must retain the above copyright notice, */ +/* this list of conditions and the disclaimer below. */ +/* */ +/* Atmel's name may not be used to endorse or promote products derived from */ +/* this software without specific prior written permission. */ +/* */ +/* DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR */ +/* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF */ +/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE */ +/* DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT, */ +/* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT */ +/* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, */ +/* OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF */ +/* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING */ +/* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, */ +/* EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ +/* ---------------------------------------------------------------------------- */ + +#include "sam4e.h" + +/* @cond 0 */ +/**INDENT-OFF**/ +#ifdef __cplusplus +extern "C" { +#endif +/**INDENT-ON**/ +/* @endcond */ + +/* Clock Settings (120MHz) */ +#define SYS_BOARD_OSCOUNT (CKGR_MOR_MOSCXTST(0x8U)) +#define SYS_BOARD_PLLAR (CKGR_PLLAR_ONE \ + | CKGR_PLLAR_MULA(0x13U) \ + | CKGR_PLLAR_PLLACOUNT(0x3fU) \ + | CKGR_PLLAR_DIVA(0x1U)) +#define SYS_BOARD_MCKR (PMC_MCKR_PRES_CLK_2 | PMC_MCKR_CSS_PLLA_CLK) + +#define SYS_CKGR_MOR_KEY_VALUE CKGR_MOR_KEY(0x37) /* Key to unlock MOR register */ + +uint32_t SystemCoreClock = CHIP_FREQ_MAINCK_RC_4MHZ; + +/** + * \brief Setup the microcontroller system. + * Initialize the System and update the SystemFrequency variable. + */ +void SystemInit( void ) +{ + /* Set FWS according to SYS_BOARD_MCKR configuration */ + EFC->EEFC_FMR = EEFC_FMR_FWS(5); + + + /* Initialize main oscillator */ + if ( !(PMC->CKGR_MOR & CKGR_MOR_MOSCSEL) ) + { + PMC->CKGR_MOR = SYS_CKGR_MOR_KEY_VALUE | SYS_BOARD_OSCOUNT | CKGR_MOR_MOSCRCEN | CKGR_MOR_MOSCXTEN; + + while ( !(PMC->PMC_SR & PMC_SR_MOSCXTS) ) + { + } + } + + /* Switch to 3-20MHz Xtal oscillator */ + PMC->CKGR_MOR = SYS_CKGR_MOR_KEY_VALUE | SYS_BOARD_OSCOUNT | CKGR_MOR_MOSCRCEN | CKGR_MOR_MOSCXTEN | CKGR_MOR_MOSCSEL; + + while ( !(PMC->PMC_SR & PMC_SR_MOSCSELS) ) + { + } + + PMC->PMC_MCKR = (PMC->PMC_MCKR & ~(uint32_t)PMC_MCKR_CSS_Msk) | PMC_MCKR_CSS_MAIN_CLK; + + while ( !(PMC->PMC_SR & PMC_SR_MCKRDY) ) + { + } + + /* Initialize PLLA */ + PMC->CKGR_PLLAR = SYS_BOARD_PLLAR; + while ( !(PMC->PMC_SR & PMC_SR_LOCKA) ) + { + } + + /* Switch to main clock */ + PMC->PMC_MCKR = (SYS_BOARD_MCKR & ~PMC_MCKR_CSS_Msk) | PMC_MCKR_CSS_MAIN_CLK; + while ( !(PMC->PMC_SR & PMC_SR_MCKRDY) ) + { + } + + /* Switch to PLLA */ + PMC->PMC_MCKR = SYS_BOARD_MCKR; + while ( !(PMC->PMC_SR & PMC_SR_MCKRDY) ) + { + } + + SystemCoreClock = CHIP_FREQ_CPU_MAX; +} + +void SystemCoreClockUpdate( void ) +{ + /* Determine clock frequency according to clock register values */ + switch (PMC->PMC_MCKR & (uint32_t) PMC_MCKR_CSS_Msk) + { + case PMC_MCKR_CSS_SLOW_CLK: /* Slow clock */ + if ( SUPC->SUPC_SR & SUPC_SR_OSCSEL ) + { + SystemCoreClock = CHIP_FREQ_XTAL_32K; + } + else + { + SystemCoreClock = CHIP_FREQ_SLCK_RC; + } + break; + + case PMC_MCKR_CSS_MAIN_CLK: /* Main clock */ + if ( PMC->CKGR_MOR & CKGR_MOR_MOSCSEL ) + { + SystemCoreClock = CHIP_FREQ_XTAL_12M; + } + else + { + SystemCoreClock = CHIP_FREQ_MAINCK_RC_4MHZ; + + switch ( PMC->CKGR_MOR & CKGR_MOR_MOSCRCF_Msk ) + { + case CKGR_MOR_MOSCRCF_4_MHz: + break; + + case CKGR_MOR_MOSCRCF_8_MHz: + SystemCoreClock *= 2U; + break; + + case CKGR_MOR_MOSCRCF_12_MHz: + SystemCoreClock *= 3U; + break; + + default: + break; + } + } + break; + + case PMC_MCKR_CSS_PLLA_CLK: /* PLLA clock */ + if ( PMC->CKGR_MOR & CKGR_MOR_MOSCSEL ) + { + SystemCoreClock = CHIP_FREQ_XTAL_12M ; + } + else + { + SystemCoreClock = CHIP_FREQ_MAINCK_RC_4MHZ; + + switch ( PMC->CKGR_MOR & CKGR_MOR_MOSCRCF_Msk ) + { + case CKGR_MOR_MOSCRCF_4_MHz: + break; + + case CKGR_MOR_MOSCRCF_8_MHz: + SystemCoreClock *= 2U; + break; + + case CKGR_MOR_MOSCRCF_12_MHz: + SystemCoreClock *= 3U; + break; + + default: + break; + } + } + + if ((uint32_t) (PMC->PMC_MCKR & (uint32_t) PMC_MCKR_CSS_Msk) == PMC_MCKR_CSS_PLLA_CLK) + { + SystemCoreClock *= ((((PMC->CKGR_PLLAR) & CKGR_PLLAR_MULA_Msk) >> CKGR_PLLAR_MULA_Pos) + 1U); + SystemCoreClock /= ((((PMC->CKGR_PLLAR) & CKGR_PLLAR_DIVA_Msk) >> CKGR_PLLAR_DIVA_Pos)); + } + break; + + default: + break; + } + + if ((PMC->PMC_MCKR & PMC_MCKR_PRES_Msk) == PMC_MCKR_PRES_CLK_3) + { + SystemCoreClock /= 3U; + } + else + { + SystemCoreClock >>= ((PMC->PMC_MCKR & PMC_MCKR_PRES_Msk) >> PMC_MCKR_PRES_Pos); + } +} + +/** + * Initialize flash. + */ +void system_init_flash( uint32_t ul_clk ) +{ + /* Set FWS for embedded Flash access according to operating frequency */ + if ( ul_clk < CHIP_FREQ_FWS_0 ) + { + EFC->EEFC_FMR = EEFC_FMR_FWS(0); + } + else + { + if (ul_clk < CHIP_FREQ_FWS_1) + { + EFC->EEFC_FMR = EEFC_FMR_FWS(1); + } + else + { + if (ul_clk < CHIP_FREQ_FWS_2) + { + EFC->EEFC_FMR = EEFC_FMR_FWS(2); + } + else + { + if ( ul_clk < CHIP_FREQ_FWS_3 ) + { + EFC->EEFC_FMR = EEFC_FMR_FWS(3); + } + else + { + if ( ul_clk < CHIP_FREQ_FWS_4 ) + { + EFC->EEFC_FMR = EEFC_FMR_FWS(4); + } + else + { + EFC->EEFC_FMR = EEFC_FMR_FWS(5); + } + } + } + } + } +} + +/* @cond 0 */ +/**INDENT-OFF**/ +#ifdef __cplusplus +} +#endif +/**INDENT-ON**/ +/* @endcond */ |