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Posted to commits@nuttx.apache.org by gn...@apache.org on 2020/02/19 13:28:33 UTC
[incubator-nuttx] 01/02: lm3s6965-ek: Add PROTECTED support
This is an automated email from the ASF dual-hosted git repository.
gnutt pushed a commit to branch pr304
in repository https://gitbox.apache.org/repos/asf/incubator-nuttx.git
commit 0dc883f3b32c2ce0d8e9b30de40058cecc2ae57d
Author: YAMAMOTO Takashi <ya...@midokura.com>
AuthorDate: Tue Feb 18 22:08:24 2020 +0900
lm3s6965-ek: Add PROTECTED support
Largely copy-and-paste from stm32f4discovery.
---
boards/arm/tiva/lm3s6965-ek/kernel/Makefile | 122 +++++++++++++++++++
boards/arm/tiva/lm3s6965-ek/kernel/lm_userspace.c | 131 +++++++++++++++++++++
.../arm/tiva/lm3s6965-ek/scripts/kernel-space.ld | 111 +++++++++++++++++
boards/arm/tiva/lm3s6965-ek/scripts/memory.ld | 53 +++++++++
boards/arm/tiva/lm3s6965-ek/scripts/user-space.ld | 113 ++++++++++++++++++
5 files changed, 530 insertions(+)
diff --git a/boards/arm/tiva/lm3s6965-ek/kernel/Makefile b/boards/arm/tiva/lm3s6965-ek/kernel/Makefile
new file mode 100644
index 0000000..f62f7be
--- /dev/null
+++ b/boards/arm/tiva/lm3s6965-ek/kernel/Makefile
@@ -0,0 +1,122 @@
+############################################################################
+# boards/arm/tiva/lm3s6965-ek/kernel/Makefile
+#
+# Copyright (C) 2013, 2015 Gregory Nutt. All rights reserved.
+# Author: Gregory Nutt <gn...@nuttx.org>
+#
+# 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.
+#
+############################################################################
+
+-include $(TOPDIR)/Make.defs
+
+# This is the directory for the board-specific header files
+
+BOARD_INCLUDE = $(TOPDIR)$(DELIM)boards$(DELIM)$(CONFIG_ARCH)$(DELIM)$(CONFIG_ARCH_CHIP)$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)include
+
+# The entry point name (if none is provided in the .config file)
+
+CONFIG_USER_ENTRYPOINT ?= user_start
+ENTRYPT = $(patsubst "%",%,$(CONFIG_USER_ENTRYPOINT))
+
+# Get the paths to the libraries and the links script path in format that
+# is appropriate for the host OS
+
+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)boards$(DELIM)$(CONFIG_ARCH)$(DELIM)$(CONFIG_ARCH_CHIP)$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)memory.ld}"
+ USER_LDSCRIPT += -T "${shell cygpath -w $(TOPDIR)$(DELIM)boards$(DELIM)$(CONFIG_ARCH)$(DELIM)$(CONFIG_ARCH_CHIP)$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)user-space.ld}"
+ USER_HEXFILE += "${shell cygpath -w $(TOPDIR)$(DELIM)nuttx_user.hex}"
+ USER_SRECFILE += "${shell cygpath -w $(TOPDIR)$(DELIM)nuttx_user.srec}"
+ USER_BINFILE += "${shell cygpath -w $(TOPDIR)$(DELIM)nuttx_user.bin}"
+else
+ # Linux/Cygwin-native toolchain
+ USER_LIBPATHS = $(addprefix -L$(TOPDIR)$(DELIM),$(dir $(USERLIBS)))
+ USER_LDSCRIPT = -T$(TOPDIR)$(DELIM)boards$(DELIM)$(CONFIG_ARCH)$(DELIM)$(CONFIG_ARCH_CHIP)$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)memory.ld
+ USER_LDSCRIPT += -T$(TOPDIR)$(DELIM)boards$(DELIM)$(CONFIG_ARCH)$(DELIM)$(CONFIG_ARCH_CHIP)$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)user-space.ld
+ USER_HEXFILE += "$(TOPDIR)$(DELIM)nuttx_user.hex"
+ USER_SRECFILE += "$(TOPDIR)$(DELIM)nuttx_user.srec"
+ USER_BINFILE += "$(TOPDIR)$(DELIM)nuttx_user.bin"
+endif
+
+USER_LDFLAGS = --undefined=$(ENTRYPT) --entry=$(ENTRYPT) $(USER_LDSCRIPT)
+USER_LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(USERLIBS))))
+USER_LIBGCC = "${shell "$(CC)" $(ARCHCPUFLAGS) -print-libgcc-file-name}"
+
+# Source files
+
+CSRCS = lm_userspace.c
+COBJS = $(CSRCS:.c=$(OBJEXT))
+OBJS = $(COBJS)
+
+# Targets:
+
+all: $(TOPDIR)$(DELIM)nuttx_user.elf $(TOPDIR)$(DELIM)User.map
+.PHONY: nuttx_user.elf depend clean distclean
+
+$(COBJS): %$(OBJEXT): %.c
+ $(call COMPILE, $<, $@)
+
+# Create the nuttx_user.elf file containing all of the user-mode code
+
+nuttx_user.elf: $(OBJS)
+ $(Q) $(LD) -o $@ $(USER_LDFLAGS) $(USER_LIBPATHS) $(OBJS) --start-group $(USER_LDLIBS) $(USER_LIBGCC) --end-group
+
+$(TOPDIR)$(DELIM)nuttx_user.elf: nuttx_user.elf
+ @echo "LD: nuttx_user.elf"
+ $(Q) cp -a nuttx_user.elf $(TOPDIR)$(DELIM)nuttx_user.elf
+ifeq ($(CONFIG_INTELHEX_BINARY),y)
+ @echo "CP: nuttx_user.hex"
+ $(Q) $(OBJCOPY) $(OBJCOPYARGS) -O ihex nuttx_user.elf $(USER_HEXFILE)
+endif
+ifeq ($(CONFIG_MOTOROLA_SREC),y)
+ @echo "CP: nuttx_user.srec"
+ $(Q) $(OBJCOPY) $(OBJCOPYARGS) -O srec nuttx_user.elf $(USER_SRECFILE)
+endif
+ifeq ($(CONFIG_RAW_BINARY),y)
+ @echo "CP: nuttx_user.bin"
+ $(Q) $(OBJCOPY) $(OBJCOPYARGS) -O binary nuttx_user.elf $(USER_BINFILE)
+endif
+
+$(TOPDIR)$(DELIM)User.map: nuttx_user.elf
+ @echo "MK: User.map"
+ $(Q) $(NM) nuttx_user.elf >$(TOPDIR)$(DELIM)User.map
+ $(Q) $(CROSSDEV)size nuttx_user.elf
+
+.depend:
+
+depend: .depend
+
+clean:
+ $(call DELFILE, nuttx_user.elf)
+ $(call DELFILE, "$(TOPDIR)$(DELIM)nuttx_user.*")
+ $(call DELFILE, "$(TOPDIR)$(DELIM)User.map")
+ $(call CLEAN)
+
+distclean: clean
diff --git a/boards/arm/tiva/lm3s6965-ek/kernel/lm_userspace.c b/boards/arm/tiva/lm3s6965-ek/kernel/lm_userspace.c
new file mode 100644
index 0000000..61e77c8
--- /dev/null
+++ b/boards/arm/tiva/lm3s6965-ek/kernel/lm_userspace.c
@@ -0,0 +1,131 @@
+/****************************************************************************
+ * boards/arm/tiva/lm3s6965-ek/kernel/lm_userspace.c
+ *
+ * Copyright (C) 2013, 2015 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gn...@nuttx.org>
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/****************************************************************************
+ * Included Files
+ ****************************************************************************/
+
+#include <nuttx/config.h>
+
+#include <stdlib.h>
+
+#include <nuttx/arch.h>
+#include <nuttx/mm/mm.h>
+#include <nuttx/wqueue.h>
+#include <nuttx/userspace.h>
+
+#if defined(CONFIG_BUILD_PROTECTED) && !defined(__KERNEL__)
+
+/****************************************************************************
+ * Pre-processor Definitions
+ ****************************************************************************/
+/* Configuration ************************************************************/
+
+#ifndef CONFIG_NUTTX_USERSPACE
+# error "CONFIG_NUTTX_USERSPACE not defined"
+#endif
+
+#if CONFIG_NUTTX_USERSPACE != 0x00020000
+# error "CONFIG_NUTTX_USERSPACE must be 0x00020000 to match memory.ld"
+#endif
+
+/****************************************************************************
+ * Public Data
+ ****************************************************************************/
+
+/* These 'addresses' of these values are setup by the linker script. They are
+ * not actual uint32_t storage locations! They are only used meaningfully in the
+ * following way:
+ *
+ * - The linker script defines, for example, the symbol_sdata.
+ * - The declaration extern uint32_t _sdata; makes C happy. C will believe
+ * that the value _sdata is the address of a uint32_t variable _data (it is
+ * not!).
+ * - We can recover the linker value then by simply taking the address of
+ * of _data. like: uint32_t *pdata = &_sdata;
+ */
+
+extern uint32_t _stext; /* Start of .text */
+extern uint32_t _etext; /* End_1 of .text + .rodata */
+extern const uint32_t _eronly; /* End+1 of read only section (.text + .rodata) */
+extern uint32_t _sdata; /* Start of .data */
+extern uint32_t _edata; /* End+1 of .data */
+extern uint32_t _sbss; /* Start of .bss */
+extern uint32_t _ebss; /* End+1 of .bss */
+
+/* This is the user space entry point */
+
+int CONFIG_USER_ENTRYPOINT(int argc, char *argv[]);
+
+const struct userspace_s userspace __attribute__ ((section (".userspace"))) =
+{
+ /* General memory map */
+
+ .us_entrypoint = (main_t)CONFIG_USER_ENTRYPOINT,
+ .us_textstart = (uintptr_t)&_stext,
+ .us_textend = (uintptr_t)&_etext,
+ .us_datasource = (uintptr_t)&_eronly,
+ .us_datastart = (uintptr_t)&_sdata,
+ .us_dataend = (uintptr_t)&_edata,
+ .us_bssstart = (uintptr_t)&_sbss,
+ .us_bssend = (uintptr_t)&_ebss,
+
+ /* Memory manager heap structure */
+
+ .us_heap = &g_mmheap,
+
+ /* Task/thread startup routines */
+
+ .task_startup = task_startup,
+#ifndef CONFIG_DISABLE_PTHREAD
+ .pthread_startup = pthread_startup,
+#endif
+
+ /* Signal handler trampoline */
+
+ .signal_handler = up_signal_handler,
+
+ /* User-space work queue support (declared in include/nuttx/wqueue.h) */
+
+#ifdef CONFIG_LIB_USRWORK
+ .work_usrstart = work_usrstart,
+#endif
+};
+
+/****************************************************************************
+ * Public Functions
+ ****************************************************************************/
+
+#endif /* CONFIG_BUILD_PROTECTED && !__KERNEL__ */
diff --git a/boards/arm/tiva/lm3s6965-ek/scripts/kernel-space.ld b/boards/arm/tiva/lm3s6965-ek/scripts/kernel-space.ld
new file mode 100644
index 0000000..b260db5
--- /dev/null
+++ b/boards/arm/tiva/lm3s6965-ek/scripts/kernel-space.ld
@@ -0,0 +1,111 @@
+/****************************************************************************
+ * boards/arm/tiva/lm3s6965-ek/scripts/kernel-space.ld
+ *
+ * Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gn...@nuttx.org>
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/* NOTE: This depends on the memory.ld script having been included prior to
+ * this script.
+ */
+
+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
+ . = ALIGN(4);
+ _edata = ABSOLUTE(.);
+ } > ksram AT > kflash
+
+ .bss : {
+ _sbss = ABSOLUTE(.);
+ *(.bss .bss.*)
+ *(.gnu.linkonce.b.*)
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = ABSOLUTE(.);
+ } > ksram
+
+ /* 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/boards/arm/tiva/lm3s6965-ek/scripts/memory.ld b/boards/arm/tiva/lm3s6965-ek/scripts/memory.ld
new file mode 100644
index 0000000..724b694
--- /dev/null
+++ b/boards/arm/tiva/lm3s6965-ek/scripts/memory.ld
@@ -0,0 +1,53 @@
+/****************************************************************************
+ * boards/arm/tiva/lm3s6965-ek/scripts/memory.ld
+ *
+ * Copyright (C) 2013 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gn...@nuttx.org>
+ *
+ * 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 LM3S6965 has 256Kb of FLASH beginning at address 0x0000:0000 and 64Kb
+ * of SRAM beginning at 0x2000:0000.
+ */
+
+MEMORY
+{
+ /* 256Kb FLASH */
+
+ kflash (rx) : ORIGIN = 0x00000000, LENGTH = 128K
+ uflash (rx) : ORIGIN = 0x00020000, LENGTH = 128K
+ xflash (rx) : ORIGIN = 0x00040000, LENGTH = 0K
+
+ /* 64Kb of contiguous SRAM */
+
+ ksram (rwx) : ORIGIN = 0x20000000, LENGTH = 16K
+ usram (rwx) : ORIGIN = 0x20004000, LENGTH = 16K
+ xsram (rwx) : ORIGIN = 0x20008000, LENGTH = 32K
+}
diff --git a/boards/arm/tiva/lm3s6965-ek/scripts/user-space.ld b/boards/arm/tiva/lm3s6965-ek/scripts/user-space.ld
new file mode 100644
index 0000000..c1fa306
--- /dev/null
+++ b/boards/arm/tiva/lm3s6965-ek/scripts/user-space.ld
@@ -0,0 +1,113 @@
+/****************************************************************************
+ * boards/arm/tiva/lm3s6965-ek/scripts/user-space.ld
+ *
+ * Copyright (C) 2013, 2015 Gregory Nutt. All rights reserved.
+ * Author: Gregory Nutt <gn...@nuttx.org>
+ *
+ * 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.
+ *
+ ****************************************************************************/
+
+/* NOTE: This depends on the memory.ld script having been included prior to
+ * this script.
+ */
+
+OUTPUT_ARCH(arm)
+SECTIONS
+{
+ .userspace : {
+ *(.userspace)
+ } > uflash
+
+ .text : {
+ _stext = ABSOLUTE(.);
+ *(.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
+ . = ALIGN(4);
+ _edata = ABSOLUTE(.);
+ } > usram AT > uflash
+
+ .bss : {
+ _sbss = ABSOLUTE(.);
+ *(.bss .bss.*)
+ *(.gnu.linkonce.b.*)
+ *(COMMON)
+ . = ALIGN(4);
+ _ebss = ABSOLUTE(.);
+ } > usram
+
+ /* 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) }
+}