diff --git a/lib/efm32/efm32g/libopencm3_efm32g.ld b/lib/efm32/efm32g/libopencm3_efm32g.ld new file mode 100644 index 00000000..8ef5e426 --- /dev/null +++ b/lib/efm32/efm32g/libopencm3_efm32g.ld @@ -0,0 +1,79 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann , + * Copyright (C) 2012 chrysn + * + * This library is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library. If not, see . + */ + +/* Generic linker script for EFM32 targets using libopencm3. */ + +/* Memory regions must be defined in the ld script which includes this one. */ + +/* Enforce emmition of the vector table. */ +EXTERN (vector_table) + +/* Define the entry point of the output file. */ +ENTRY(reset_handler) + +/* Define sections. */ +SECTIONS +{ + . = ORIGIN(rom); + + .text : { + *(.vectors) /* Vector table */ + *(.text*) /* Program code */ + . = ALIGN(4); + *(.rodata*) /* Read-only data */ + . = ALIGN(4); + _etext = .; + } >rom + + . = ORIGIN(ram); + + .data : AT(_etext) { + _data = .; + *(.data*) /* Read-write initialized data */ + . = ALIGN(4); + _edata = .; + } >ram + + .bss : { + *(.bss*) /* Read-write zero initialized data */ + *(COMMON) + . = ALIGN(4); + _ebss = .; + } >ram AT >rom + _data_loadaddr = LOADADDR(.data); + + /* + * The .eh_frame section appears to be used for C++ exception handling. + * You may need to fix this if you're using C++. + */ + /DISCARD/ : { *(.eh_frame) } + + /* + * Another section used by C++ stuff, appears when using newlib with + * 64bit (long long) printf support - discard it for now. + */ + /DISCARD/ : { *(.ARM.exidx) } + + . = ALIGN(4); + end = .; +} + +PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram)); + diff --git a/lib/efm32/efm32g/libopencm3_efm32g880f128.ld b/lib/efm32/efm32g/libopencm3_efm32g880f128.ld new file mode 100644 index 00000000..09c6fb0f --- /dev/null +++ b/lib/efm32/efm32g/libopencm3_efm32g880f128.ld @@ -0,0 +1,15 @@ +/* lengths from d011_efm32tg840_datasheet.pdf table 1.1, offset from + * d0034_efm32tg_reference_manual.pdf figure 5.2. + * + * the origins and memory structure are constant over all tinygeckos, but the + * MEMORY section requires the use of constants, and has thus to be duplicated + * over the chip variants. + * */ + +MEMORY +{ + rom (rx) : ORIGIN = 0, LENGTH = 128k + ram (rwx) : ORIGIN = 0x20000000, LENGTH = 16k +} + +INCLUDE libopencm3_efm32g.ld; diff --git a/lib/efm32/efm32gg/libopencm3_efm32gg.ld b/lib/efm32/efm32gg/libopencm3_efm32gg.ld new file mode 100644 index 00000000..8ef5e426 --- /dev/null +++ b/lib/efm32/efm32gg/libopencm3_efm32gg.ld @@ -0,0 +1,79 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann , + * Copyright (C) 2012 chrysn + * + * This library is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library. If not, see . + */ + +/* Generic linker script for EFM32 targets using libopencm3. */ + +/* Memory regions must be defined in the ld script which includes this one. */ + +/* Enforce emmition of the vector table. */ +EXTERN (vector_table) + +/* Define the entry point of the output file. */ +ENTRY(reset_handler) + +/* Define sections. */ +SECTIONS +{ + . = ORIGIN(rom); + + .text : { + *(.vectors) /* Vector table */ + *(.text*) /* Program code */ + . = ALIGN(4); + *(.rodata*) /* Read-only data */ + . = ALIGN(4); + _etext = .; + } >rom + + . = ORIGIN(ram); + + .data : AT(_etext) { + _data = .; + *(.data*) /* Read-write initialized data */ + . = ALIGN(4); + _edata = .; + } >ram + + .bss : { + *(.bss*) /* Read-write zero initialized data */ + *(COMMON) + . = ALIGN(4); + _ebss = .; + } >ram AT >rom + _data_loadaddr = LOADADDR(.data); + + /* + * The .eh_frame section appears to be used for C++ exception handling. + * You may need to fix this if you're using C++. + */ + /DISCARD/ : { *(.eh_frame) } + + /* + * Another section used by C++ stuff, appears when using newlib with + * 64bit (long long) printf support - discard it for now. + */ + /DISCARD/ : { *(.ARM.exidx) } + + . = ALIGN(4); + end = .; +} + +PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram)); + diff --git a/lib/efm32/efm32lg/libopencm3_efm32lg.ld b/lib/efm32/efm32lg/libopencm3_efm32lg.ld new file mode 100644 index 00000000..8ef5e426 --- /dev/null +++ b/lib/efm32/efm32lg/libopencm3_efm32lg.ld @@ -0,0 +1,79 @@ +/* + * This file is part of the libopencm3 project. + * + * Copyright (C) 2009 Uwe Hermann , + * Copyright (C) 2012 chrysn + * + * This library is free software: you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published by + * the Free Software Foundation, either version 3 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library. If not, see . + */ + +/* Generic linker script for EFM32 targets using libopencm3. */ + +/* Memory regions must be defined in the ld script which includes this one. */ + +/* Enforce emmition of the vector table. */ +EXTERN (vector_table) + +/* Define the entry point of the output file. */ +ENTRY(reset_handler) + +/* Define sections. */ +SECTIONS +{ + . = ORIGIN(rom); + + .text : { + *(.vectors) /* Vector table */ + *(.text*) /* Program code */ + . = ALIGN(4); + *(.rodata*) /* Read-only data */ + . = ALIGN(4); + _etext = .; + } >rom + + . = ORIGIN(ram); + + .data : AT(_etext) { + _data = .; + *(.data*) /* Read-write initialized data */ + . = ALIGN(4); + _edata = .; + } >ram + + .bss : { + *(.bss*) /* Read-write zero initialized data */ + *(COMMON) + . = ALIGN(4); + _ebss = .; + } >ram AT >rom + _data_loadaddr = LOADADDR(.data); + + /* + * The .eh_frame section appears to be used for C++ exception handling. + * You may need to fix this if you're using C++. + */ + /DISCARD/ : { *(.eh_frame) } + + /* + * Another section used by C++ stuff, appears when using newlib with + * 64bit (long long) printf support - discard it for now. + */ + /DISCARD/ : { *(.ARM.exidx) } + + . = ALIGN(4); + end = .; +} + +PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram)); + diff --git a/lib/efm32/efm32tg/EFM32TG840F32.ld b/lib/efm32/efm32tg/libopencm3_efm32tg840f32.ld similarity index 92% rename from lib/efm32/efm32tg/EFM32TG840F32.ld rename to lib/efm32/efm32tg/libopencm3_efm32tg840f32.ld index f7baa904..2cb8daf0 100644 --- a/lib/efm32/efm32tg/EFM32TG840F32.ld +++ b/lib/efm32/efm32tg/libopencm3_efm32tg840f32.ld @@ -12,4 +12,4 @@ MEMORY ram (rwx) : ORIGIN = 0x20000000, LENGTH = 4k } -INCLUDE tinygecko.ld; +INCLUDE libopencm3_efm32tg.ld;