mirror of
https://github.com/apache/nuttx.git
synced 2026-06-07 01:05:54 +08:00
SAM4L: Add an NSH configuration and C++ support
This commit is contained in:
Gregory Nutt
@@ -452,7 +452,7 @@ The <subdir> that is provided above as an argument to the tools/configure.sh
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must be is one of the following:
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ostest:
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This configuration directory, performs a simple OS test using
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This configuration directory performs a simple OS test using
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examples/ostest.
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NOTES:
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@@ -476,3 +476,36 @@ must be is one of the following:
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CONFIG_USART0_PARITY=0
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CONFIG_USART0_RXBUFSIZE=256
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CONFIG_USART0_TXBUFSIZE=256
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2. This configuration is set up to use the NuttX OABI toolchain (see
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above). Of course this can be reconfigured if you prefer a different
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toolchain.
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nsh:
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This configuration directory will built the NuttShell.
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NOTES:
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1. This configuration provides test output on USART0 which is available
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on EXT1 or EXT4 (see the section "Serial Consoles" above). The
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virtual COM port could be used, instead, by reconfiguring to use
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USART1 instead of USART0:
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System Type -> AT91SAM3/4 Peripheral Support
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CONFIG_SAM_USART0=y
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CONFIG_SAM_USART1=n
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Device Drivers -> Serial Driver Support -> Serial Console
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CONFIG_USART0_SERIAL_CONSOLE=y
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Device Drivers -> Serial Driver Support -> USART0 Configuration
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CONFIG_USART0_2STOP=0
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CONFIG_USART0_BAUD=115200
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CONFIG_USART0_BITS=8
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CONFIG_USART0_PARITY=0
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CONFIG_USART0_RXBUFSIZE=256
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CONFIG_USART0_TXBUFSIZE=256
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2. This configuration is set up to use the NuttX OABI toolchain (see
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above). Of course this can be reconfigured if you prefer a different
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toolchain.
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@@ -0,0 +1,109 @@
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############################################################################
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# configs/sam4l-xplained/nsh/Make.defs
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#
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# Copyright (C) 2013 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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############################################################################
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include ${TOPDIR}/.config
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include ${TOPDIR}/tools/Config.mk
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include ${TOPDIR}/arch/arm/src/armv7-m/Toolchain.defs
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ifeq ($(WINTOOL),y)
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# Windows-native toolchains
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DIRLINK = $(TOPDIR)/tools/copydir.sh
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DIRUNLINK = $(TOPDIR)/tools/unlink.sh
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MKDEP = $(TOPDIR)/tools/mknulldeps.sh
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ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}"
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ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}"
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ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/ld.script}"
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MAXOPTIMIZATION = -O2
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else
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# Linux/Cygwin-native toolchain
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MKDEP = $(TOPDIR)/tools/mkdeps.sh
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ARCHINCLUDES = -I. -isystem $(TOPDIR)/include
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ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx
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ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/ld.script
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endif
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CC = $(CROSSDEV)gcc
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CXX = $(CROSSDEV)g++
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CPP = $(CROSSDEV)gcc -E
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LD = $(CROSSDEV)ld
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AR = $(CROSSDEV)ar rcs
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NM = $(CROSSDEV)nm
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OBJCOPY = $(CROSSDEV)objcopy
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OBJDUMP = $(CROSSDEV)objdump
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ARCHCCVERSION = ${shell $(CC) -v 2>&1 | sed -n '/^gcc version/p' | sed -e 's/^gcc version \([0-9\.]\)/\1/g' -e 's/[-\ ].*//g' -e '1q'}
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ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1}
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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ARCHOPTIMIZATION = -g
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else
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ARCHOPTIMIZATION = $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer
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endif
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ARCHCFLAGS = -fno-builtin
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ARCHCXXFLAGS = -fno-builtin -fno-exceptions
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ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow
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ARCHWARNINGSXX = -Wall -Wshadow
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ARCHDEFINES =
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ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10
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CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
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CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS)
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CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe
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CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS)
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CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES)
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AFLAGS = $(CFLAGS) -D__ASSEMBLY__
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NXFLATLDFLAGS1 = -r -d -warn-common
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NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections
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LDNXFLATFLAGS = -e main -s 2048
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OBJEXT = .o
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LIBEXT = .a
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EXEEXT =
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ifneq ($(CROSSDEV),arm-nuttx-elf-)
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LDFLAGS += -nostartfiles -nodefaultlibs
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endif
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ifeq ($(CONFIG_DEBUG_SYMBOLS),y)
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LDFLAGS += -g
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endif
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HOSTCC = gcc
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HOSTINCLUDES = -I.
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HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -g -pipe
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HOSTLDFLAGS =
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File diff suppressed because it is too large
Load Diff
Executable
+63
@@ -0,0 +1,63 @@
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#!/bin/bash
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# configs/sam4l-xplained/nsh/setenv.sh
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#
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# Copyright (C) 2013 Gregory Nutt. All rights reserved.
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# Author: Gregory Nutt <gnutt@nuttx.org>
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#
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# Redistribution and use in source and binary forms, with or without
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# modification, are permitted provided that the following conditions
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# are met:
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#
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# 1. Redistributions of source code must retain the above copyright
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# notice, this list of conditions and the following disclaimer.
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# 2. Redistributions in binary form must reproduce the above copyright
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# notice, this list of conditions and the following disclaimer in
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# the documentation and/or other materials provided with the
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# distribution.
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# 3. Neither the name NuttX nor the names of its contributors may be
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# used to endorse or promote products derived from this software
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# without specific prior written permission.
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#
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# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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# POSSIBILITY OF SUCH DAMAGE.
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#
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if [ "$_" = "$0" ] ; then
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echo "You must source this script, not run it!" 1>&2
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exit 1
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fi
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WD=`pwd`
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if [ ! -x "setenv.sh" ]; then
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echo "This script must be executed from the top-level NuttX build directory"
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exit 1
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fi
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if [ -z "${PATH_ORIG}" ]; then
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export PATH_ORIG="${PATH}"
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fi
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# This is the Cygwin path to the location where I installed the CodeSourcery
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# toolchain under windows. You will also have to edit this if you install
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# the CodeSourcery toolchain in any other location
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#export TOOLCHAIN_BIN="/cygdrive/c/Program Files (x86)/CodeSourcery/Sourcery G++ Lite/bin"
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# This is the Cygwin path to the location where I build the buildroot
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# toolchain.
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export TOOLCHAIN_BIN="${WD}/../misc/buildroot/build_arm_nofpu/staging_dir/bin"
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# Add the path to the toolchain to the PATH varialble
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export PATH="${TOOLCHAIN_BIN}:/sbin:/usr/sbin:${PATH_ORIG}"
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echo "PATH : ${PATH}"
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@@ -63,6 +63,22 @@ SECTIONS
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_etext = ABSOLUTE(.);
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} > flash
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.init_section : {
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_sinit = ABSOLUTE(.);
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*(.init_array .init_array.*)
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_einit = ABSOLUTE(.);
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} > flash
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.ARM.extab : {
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*(.ARM.extab*)
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} >flash
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__exidx_start = ABSOLUTE(.);
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.ARM.exidx : {
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*(.ARM.exidx*)
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} >flash
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__exidx_end = ABSOLUTE(.);
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.data : {
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_sdata = ABSOLUTE(.);
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*(.data .data.*)
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@@ -81,16 +97,6 @@ SECTIONS
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_framfuncs = LOADADDR(.ramfunc);
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.ARM.extab : {
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*(.ARM.extab*)
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} >sram
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.ARM.exidx : {
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__exidx_start = ABSOLUTE(.);
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*(.ARM.exidx*)
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__exidx_end = ABSOLUTE(.);
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} >sram
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.bss : {
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_sbss = ABSOLUTE(.);
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*(.bss .bss.*)
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@@ -42,6 +42,10 @@ AOBJS = $(ASRCS:.S=$(OBJEXT))
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CSRCS = sam_boot.c sam_spi.c
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ifeq ($(CONFIG_HAVE_CXX),y)
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CSRCS += sam_cxxinitialize.c
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endif
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ifeq ($(CONFIG_ARCH_LEDS),y)
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CSRCS += sam_autoleds.c
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else
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@@ -0,0 +1,154 @@
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/************************************************************************************
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* configs/stm32f4discovery/src/sam_cxxinitialize.c
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*
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* Copyright (C) 2013 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <gnutt@nuttx.org>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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************************************************************************************/
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/************************************************************************************
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* Included Files
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************************************************************************************/
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#include <nuttx/config.h>
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#include <debug.h>
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#include <nuttx/arch.h>
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#include <arch/sam34/chip.h>
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#include "chip.h"
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#if defined(CONFIG_HAVE_CXX) && defined(CONFIG_HAVE_CXXINITIALIZE)
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/************************************************************************************
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* Definitions
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************************************************************************************/
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/* Debug ****************************************************************************/
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/* Non-standard debug that may be enabled just for testing the static constructors */
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#ifndef CONFIG_DEBUG
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# undef CONFIG_DEBUG_CXX
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#endif
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#ifdef CONFIG_DEBUG_CXX
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# define cxxdbg dbg
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# define cxxlldbg lldbg
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# ifdef CONFIG_DEBUG_VERBOSE
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# define cxxvdbg vdbg
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# define cxxllvdbg llvdbg
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# else
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# define cxxvdbg(x...)
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# define cxxllvdbg(x...)
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# endif
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#else
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# define cxxdbg(x...)
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# define cxxlldbg(x...)
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# define cxxvdbg(x...)
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# define cxxllvdbg(x...)
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#endif
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/************************************************************************************
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* Private Types
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************************************************************************************/
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/* This type defines one entry in initialization array */
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typedef void (*initializer_t)(void);
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/************************************************************************************
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* External references
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************************************************************************************/
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/* _sinit and _einit are symbols exported by the linker script that mark the
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* beginning and the end of the C++ initialization section.
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*/
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extern initializer_t _sinit;
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extern initializer_t _einit;
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/* _stext and _etext are symbols exported by the linker script that mark the
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* beginning and the end of text.
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*/
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extern uint32_t _stext;
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extern uint32_t _etext;
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/************************************************************************************
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* Private Functions
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************************************************************************************/
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/************************************************************************************
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* Public Functions
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************************************************************************************/
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/****************************************************************************
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* Name: up_cxxinitialize
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*
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* Description:
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* If C++ and C++ static constructors are supported, then this function
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* must be provided by board-specific logic in order to perform
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* initialization of the static C++ class instances.
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*
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* This function should then be called in the application-specific
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* user_start logic in order to perform the C++ initialization. NOTE
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* that no component of the core NuttX RTOS logic is involved; This
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* function defintion only provides the 'contract' between application
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* specific C++ code and platform-specific toolchain support
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*
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***************************************************************************/
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void up_cxxinitialize(void)
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{
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initializer_t *initp;
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cxxdbg("_sinit: %p _einit: %p _stext: %p _etext: %p\n",
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&_sinit, &_einit, &_stext, &_etext);
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/* Visit each entry in the initialzation table */
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for (initp = &_sinit; initp != &_einit; initp++)
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{
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initializer_t initializer = *initp;
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cxxdbg("initp: %p initializer: %p\n", initp, initializer);
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/* Make sure that the address is non-NULL and lies in the text region
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* defined by the linker script. Some toolchains may put NULL values
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* or counts in the initialization table
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*/
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if ((void*)initializer > (void*)&_stext && (void*)initializer < (void*)&_etext)
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{
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cxxdbg("Calling %p\n", initializer);
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initializer();
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}
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}
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}
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#endif /* CONFIG_HAVE_CXX && CONFIG_HAVE_CXXINITIALIZE */
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