From 3578c60ae17a31fef6486ba5c3a2f97b899fb243 Mon Sep 17 00:00:00 2001 From: patacongo Date: Mon, 11 Mar 2013 17:51:42 +0000 Subject: Add MPU support for the LPC17xx family git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5731 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/configs/sam3u-ek/kernel/Makefile | 4 +- nuttx/configs/sam3u-ek/kernel/kernel.ld | 152 ------------------------------- nuttx/configs/sam3u-ek/knsh/Make.defs | 4 +- nuttx/configs/sam3u-ek/knsh/ld.script | 133 --------------------------- nuttx/configs/sam3u-ek/scripts/kernel.ld | 152 +++++++++++++++++++++++++++++++ nuttx/configs/sam3u-ek/scripts/user.ld | 133 +++++++++++++++++++++++++++ 6 files changed, 289 insertions(+), 289 deletions(-) delete mode 100644 nuttx/configs/sam3u-ek/kernel/kernel.ld delete mode 100755 nuttx/configs/sam3u-ek/knsh/ld.script create mode 100644 nuttx/configs/sam3u-ek/scripts/kernel.ld create mode 100755 nuttx/configs/sam3u-ek/scripts/user.ld (limited to 'nuttx/configs/sam3u-ek') diff --git a/nuttx/configs/sam3u-ek/kernel/Makefile b/nuttx/configs/sam3u-ek/kernel/Makefile index d6349fe99..8cc3ec670 100644 --- a/nuttx/configs/sam3u-ek/kernel/Makefile +++ b/nuttx/configs/sam3u-ek/kernel/Makefile @@ -50,11 +50,11 @@ ENTRYPT = $(patsubst "%",%,$(CONFIG_USER_ENTRYPOINT)) ifeq ($(WINTOOL),y) # Windows-native toolchains USER_LIBPATHS = ${shell for path in $(USERLIBS); do dir=`dirname $(TOPDIR)$(DELIM)$$path`;echo "-L\"`cygpath -w $$dir`\"";done} - USER_LDSCRIPT = -T "${shell cygpath -w $(TOPDIR)$(DELIM)configs$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)kernel$(DELIM)kernel.ld}" + USER_LDSCRIPT = -T "${shell cygpath -w $(TOPDIR)$(DELIM)configs$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)kernel.ld}" else # Linux/Cygwin-native toolchain USER_LIBPATHS = $(addprefix -L$(TOPDIR)$(DELIM),$(dir $(USERLIBS))) - USER_LDSCRIPT = -T$(TOPDIR)$(DELIM)configs$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)kernel$(DELIM)kernel.ld + USER_LDSCRIPT = -T$(TOPDIR)$(DELIM)configs$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)kernel.ld endif USER_LDFLAGS = --undefined=$(ENTRYPT) --entry=$(ENTRYPT) $(USER_LDSCRIPT) diff --git a/nuttx/configs/sam3u-ek/kernel/kernel.ld b/nuttx/configs/sam3u-ek/kernel/kernel.ld deleted file mode 100644 index 1fadbbf57..000000000 --- a/nuttx/configs/sam3u-ek/kernel/kernel.ld +++ /dev/null @@ -1,152 +0,0 @@ -/**************************************************************************** - * configs/sam3u-ek/kernal/kernel.ld - * - * Copyright (C) 2011, 2013 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS 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. - * - ****************************************************************************/ - -/* The AT91SAM3U-4 has 256Kb of FLASH beginning at address 0x0008:0000, - * 32Kb of SRAM beginning at address 0x2000:0000, and 16Kb of SRAM beginning - * at address 0x2008:000 (used only for heap). When booting from FLASH, - * FLASH memory is aliased to address 0x0000:0000 where the code expects to - * begin execution by jumping to the entry point in the 0x0800:0000 address - * range. - * - * For MPU support, the kernel-mode NuttX section is assumed to be 64Kb of - * FLASH and 4Kb of SRAM. That, of course, can be optimized as needed (See - * also configs/sam3u-ek/knsh/ld.script - */ - -MEMORY -{ - /* 256Kb FLASH */ - - kflash (rx) : ORIGIN = 0x00080000, LENGTH = 64K - uflash (rx) : ORIGIN = 0x00090000, LENGTH = 192K - - /* 32Kb SRAM */ - - ksram1 (rwx) : ORIGIN = 0x20000000, LENGTH = 4K - usram1 (rwx) : ORIGIN = 0x20001000, LENGTH = 28K - - /* 16Kb SRAM */ - - sram2 (rwx) : ORIGIN = 0x20080000, LENGTH = 16K -} - -/* Make sure that the critical memory management functions are in user-space. - * Currently, the plan is that the memory manager will reside in user-space - * but be usable both by kernel- and user-space code - */ - -EXTERN(umm_initialize) -EXTERN(umm_addregion) -EXTERN(umm_trysemaphore) -EXTERN(umm_givesemaphore) - -EXTERN(malloc) -EXTERN(realloc) -EXTERN(zalloc) -EXTERN(free) - -OUTPUT_ARCH(arm) - -SECTIONS -{ - .userspace : { - *(.userspace) - } > uflash - - .text : { - _stext = ABSOLUTE(.); - *(.vectors) - *(.text .text.*) - *(.fixup) - *(.gnu.warning) - *(.rodata .rodata.*) - *(.gnu.linkonce.t.*) - *(.glue_7) - *(.glue_7t) - *(.got) - *(.gcc_except_table) - *(.gnu.linkonce.r.*) - _etext = ABSOLUTE(.); - } > uflash - - .init_section : { - _sinit = ABSOLUTE(.); - *(.init_array .init_array.*) - _einit = ABSOLUTE(.); - } > uflash - - .ARM.extab : { - *(.ARM.extab*) - } > uflash - - __exidx_start = ABSOLUTE(.); - .ARM.exidx : { - *(.ARM.exidx*) - } > uflash - __exidx_end = ABSOLUTE(.); - - _eronly = ABSOLUTE(.); - - .data : { - _sdata = ABSOLUTE(.); - *(.data .data.*) - *(.gnu.linkonce.d.*) - CONSTRUCTORS - _edata = ABSOLUTE(.); - } > usram1 AT > uflash - - .bss : { - _sbss = ABSOLUTE(.); - *(.bss .bss.*) - *(.gnu.linkonce.b.*) - *(COMMON) - _ebss = ABSOLUTE(.); - } > usram1 - - /* Stabs debugging sections. */ - - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_info 0 : { *(.debug_info) } - .debug_line 0 : { *(.debug_line) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_aranges 0 : { *(.debug_aranges) } -} diff --git a/nuttx/configs/sam3u-ek/knsh/Make.defs b/nuttx/configs/sam3u-ek/knsh/Make.defs index f875f2b4e..fc140472c 100644 --- a/nuttx/configs/sam3u-ek/knsh/Make.defs +++ b/nuttx/configs/sam3u-ek/knsh/Make.defs @@ -44,14 +44,14 @@ ifeq ($(WINTOOL),y) MKDEP = $(TOPDIR)/tools/mknulldeps.sh ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}" - ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/knsh/ld.script}" + ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/user.ld}" MAXOPTIMIZATION = -O2 else # Linux/Cygwin-native toolchain MKDEP = $(TOPDIR)/tools/mkdeps.sh ARCHINCLUDES = -I. -isystem $(TOPDIR)/include ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx - ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/knsh/ld.script + ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/user.ld endif CC = $(CROSSDEV)gcc diff --git a/nuttx/configs/sam3u-ek/knsh/ld.script b/nuttx/configs/sam3u-ek/knsh/ld.script deleted file mode 100755 index e24a5bcbf..000000000 --- a/nuttx/configs/sam3u-ek/knsh/ld.script +++ /dev/null @@ -1,133 +0,0 @@ -/**************************************************************************** - * configs/sam3u-ek/knsh/ld.script - * - * Copyright (C) 2011 Gregory Nutt. All rights reserved. - * Author: Gregory Nutt - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * 3. Neither the name NuttX nor the names of its contributors may be - * used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT - * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS - * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE - * COPYRIGHT OWNER OR CONTRIBUTORS 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. - * - ****************************************************************************/ - -/* The AT91SAM3U-4 has 256Kb of FLASH beginning at address 0x0008:0000, - * 32Kb of SRAM beginning at address 0x2000:0000, and 16Kb of SRAM beginning - * at address 0x2008:000 (used only for heap). When booting from FLASH, - * FLASH memory is aliased to address 0x0000:0000 where the code expects to - * begin execution by jumping to the entry point in the 0x0800:0000 address - * range. - * - * For MPU support, the kernel-mode NuttX section is assumed to be 64Kb of - * FLASH and 4Kb of SRAM. That, of course, can be optimized as needed (See - * also configs/sam3u-ek/kernel/kernel.ld. - */ - -MEMORY -{ - /* 256Kb FLASH */ - - kflash (rx) : ORIGIN = 0x00080000, LENGTH = 64K - uflash (rx) : ORIGIN = 0x00090000, LENGTH = 192K - - /* 32Kb SRAM */ - - ksram1 (rwx) : ORIGIN = 0x20000000, LENGTH = 4K - usram1 (rwx) : ORIGIN = 0x20001000, LENGTH = 28K - - /* 16Kb SRAM */ - - sram2 (rwx) : ORIGIN = 0x20080000, LENGTH = 16K -} - -OUTPUT_ARCH(arm) -ENTRY(_stext) -SECTIONS -{ - .text : { - _stext = ABSOLUTE(.); - *(.vectors) - *(.text .text.*) - *(.fixup) - *(.gnu.warning) - *(.rodata .rodata.*) - *(.gnu.linkonce.t.*) - *(.glue_7) - *(.glue_7t) - *(.got) - *(.gcc_except_table) - *(.gnu.linkonce.r.*) - _etext = ABSOLUTE(.); - } > kflash - - .init_section : { - _sinit = ABSOLUTE(.); - *(.init_array .init_array.*) - _einit = ABSOLUTE(.); - } > kflash - - .ARM.extab : { - *(.ARM.extab*) - } > kflash - - __exidx_start = ABSOLUTE(.); - .ARM.exidx : { - *(.ARM.exidx*) - } > kflash - __exidx_end = ABSOLUTE(.); - - _eronly = ABSOLUTE(.); - - .data : { - _sdata = ABSOLUTE(.); - *(.data .data.*) - *(.gnu.linkonce.d.*) - CONSTRUCTORS - _edata = ABSOLUTE(.); - } > ksram1 AT > kflash - - .bss : { - _sbss = ABSOLUTE(.); - *(.bss .bss.*) - *(.gnu.linkonce.b.*) - *(COMMON) - _ebss = ABSOLUTE(.); - } > ksram1 - - /* Stabs debugging sections. */ - - .stab 0 : { *(.stab) } - .stabstr 0 : { *(.stabstr) } - .stab.excl 0 : { *(.stab.excl) } - .stab.exclstr 0 : { *(.stab.exclstr) } - .stab.index 0 : { *(.stab.index) } - .stab.indexstr 0 : { *(.stab.indexstr) } - .comment 0 : { *(.comment) } - .debug_abbrev 0 : { *(.debug_abbrev) } - .debug_info 0 : { *(.debug_info) } - .debug_line 0 : { *(.debug_line) } - .debug_pubnames 0 : { *(.debug_pubnames) } - .debug_aranges 0 : { *(.debug_aranges) } -} diff --git a/nuttx/configs/sam3u-ek/scripts/kernel.ld b/nuttx/configs/sam3u-ek/scripts/kernel.ld new file mode 100644 index 000000000..34c5d53cf --- /dev/null +++ b/nuttx/configs/sam3u-ek/scripts/kernel.ld @@ -0,0 +1,152 @@ +/**************************************************************************** + * configs/sam3u-ek/scripts/kernel.ld + * + * Copyright (C) 2011, 2013 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS 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. + * + ****************************************************************************/ + +/* The AT91SAM3U-4 has 256Kb of FLASH beginning at address 0x0008:0000, + * 32Kb of SRAM beginning at address 0x2000:0000, and 16Kb of SRAM beginning + * at address 0x2008:000 (used only for heap). When booting from FLASH, + * FLASH memory is aliased to address 0x0000:0000 where the code expects to + * begin execution by jumping to the entry point in the 0x0800:0000 address + * range. + * + * For MPU support, the kernel-mode NuttX section is assumed to be 64Kb of + * FLASH and 4Kb of SRAM. That, of course, can be optimized as needed (See + * also configs/sam3u-ek/knsh/ld.script + */ + +MEMORY +{ + /* 256Kb FLASH */ + + kflash (rx) : ORIGIN = 0x00080000, LENGTH = 64K + uflash (rx) : ORIGIN = 0x00090000, LENGTH = 192K + + /* 32Kb SRAM */ + + ksram1 (rwx) : ORIGIN = 0x20000000, LENGTH = 4K + usram1 (rwx) : ORIGIN = 0x20001000, LENGTH = 28K + + /* 16Kb SRAM */ + + sram2 (rwx) : ORIGIN = 0x20080000, LENGTH = 16K +} + +/* Make sure that the critical memory management functions are in user-space. + * Currently, the plan is that the memory manager will reside in user-space + * but be usable both by kernel- and user-space code + */ + +EXTERN(umm_initialize) +EXTERN(umm_addregion) +EXTERN(umm_trysemaphore) +EXTERN(umm_givesemaphore) + +EXTERN(malloc) +EXTERN(realloc) +EXTERN(zalloc) +EXTERN(free) + +OUTPUT_ARCH(arm) + +SECTIONS +{ + .userspace : { + *(.userspace) + } > uflash + + .text : { + _stext = ABSOLUTE(.); + *(.vectors) + *(.text .text.*) + *(.fixup) + *(.gnu.warning) + *(.rodata .rodata.*) + *(.gnu.linkonce.t.*) + *(.glue_7) + *(.glue_7t) + *(.got) + *(.gcc_except_table) + *(.gnu.linkonce.r.*) + _etext = ABSOLUTE(.); + } > uflash + + .init_section : { + _sinit = ABSOLUTE(.); + *(.init_array .init_array.*) + _einit = ABSOLUTE(.); + } > uflash + + .ARM.extab : { + *(.ARM.extab*) + } > uflash + + __exidx_start = ABSOLUTE(.); + .ARM.exidx : { + *(.ARM.exidx*) + } > uflash + __exidx_end = ABSOLUTE(.); + + _eronly = ABSOLUTE(.); + + .data : { + _sdata = ABSOLUTE(.); + *(.data .data.*) + *(.gnu.linkonce.d.*) + CONSTRUCTORS + _edata = ABSOLUTE(.); + } > usram1 AT > uflash + + .bss : { + _sbss = ABSOLUTE(.); + *(.bss .bss.*) + *(.gnu.linkonce.b.*) + *(COMMON) + _ebss = ABSOLUTE(.); + } > usram1 + + /* Stabs debugging sections. */ + + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_info 0 : { *(.debug_info) } + .debug_line 0 : { *(.debug_line) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_aranges 0 : { *(.debug_aranges) } +} diff --git a/nuttx/configs/sam3u-ek/scripts/user.ld b/nuttx/configs/sam3u-ek/scripts/user.ld new file mode 100755 index 000000000..fb82d679b --- /dev/null +++ b/nuttx/configs/sam3u-ek/scripts/user.ld @@ -0,0 +1,133 @@ +/**************************************************************************** + * configs/sam3u-ek/scripts/ld.script + * + * Copyright (C) 2011, 2013 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS 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. + * + ****************************************************************************/ + +/* The AT91SAM3U-4 has 256Kb of FLASH beginning at address 0x0008:0000, + * 32Kb of SRAM beginning at address 0x2000:0000, and 16Kb of SRAM beginning + * at address 0x2008:000 (used only for heap). When booting from FLASH, + * FLASH memory is aliased to address 0x0000:0000 where the code expects to + * begin execution by jumping to the entry point in the 0x0800:0000 address + * range. + * + * For MPU support, the kernel-mode NuttX section is assumed to be 64Kb of + * FLASH and 4Kb of SRAM. That, of course, can be optimized as needed (See + * also configs/sam3u-ek/kernel/kernel.ld. + */ + +MEMORY +{ + /* 256Kb FLASH */ + + kflash (rx) : ORIGIN = 0x00080000, LENGTH = 64K + uflash (rx) : ORIGIN = 0x00090000, LENGTH = 192K + + /* 32Kb SRAM */ + + ksram1 (rwx) : ORIGIN = 0x20000000, LENGTH = 4K + usram1 (rwx) : ORIGIN = 0x20001000, LENGTH = 28K + + /* 16Kb SRAM */ + + sram2 (rwx) : ORIGIN = 0x20080000, LENGTH = 16K +} + +OUTPUT_ARCH(arm) +ENTRY(_stext) +SECTIONS +{ + .text : { + _stext = ABSOLUTE(.); + *(.vectors) + *(.text .text.*) + *(.fixup) + *(.gnu.warning) + *(.rodata .rodata.*) + *(.gnu.linkonce.t.*) + *(.glue_7) + *(.glue_7t) + *(.got) + *(.gcc_except_table) + *(.gnu.linkonce.r.*) + _etext = ABSOLUTE(.); + } > kflash + + .init_section : { + _sinit = ABSOLUTE(.); + *(.init_array .init_array.*) + _einit = ABSOLUTE(.); + } > kflash + + .ARM.extab : { + *(.ARM.extab*) + } > kflash + + __exidx_start = ABSOLUTE(.); + .ARM.exidx : { + *(.ARM.exidx*) + } > kflash + __exidx_end = ABSOLUTE(.); + + _eronly = ABSOLUTE(.); + + .data : { + _sdata = ABSOLUTE(.); + *(.data .data.*) + *(.gnu.linkonce.d.*) + CONSTRUCTORS + _edata = ABSOLUTE(.); + } > ksram1 AT > kflash + + .bss : { + _sbss = ABSOLUTE(.); + *(.bss .bss.*) + *(.gnu.linkonce.b.*) + *(COMMON) + _ebss = ABSOLUTE(.); + } > ksram1 + + /* Stabs debugging sections. */ + + .stab 0 : { *(.stab) } + .stabstr 0 : { *(.stabstr) } + .stab.excl 0 : { *(.stab.excl) } + .stab.exclstr 0 : { *(.stab.exclstr) } + .stab.index 0 : { *(.stab.index) } + .stab.indexstr 0 : { *(.stab.indexstr) } + .comment 0 : { *(.comment) } + .debug_abbrev 0 : { *(.debug_abbrev) } + .debug_info 0 : { *(.debug_info) } + .debug_line 0 : { *(.debug_line) } + .debug_pubnames 0 : { *(.debug_pubnames) } + .debug_aranges 0 : { *(.debug_aranges) } +} -- cgit v1.2.3