Add logic to initialize SAM3U user applications
git-svn-id: https://nuttx.svn.sourceforge.net/svnroot/nuttx/trunk@3482 7fd9a85b-ad96-42d3-883c-3090e2eb8679
This commit is contained in:
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789ce8e8ce
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6e2d7acade
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@ -105,6 +105,9 @@ endif
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# configuration specific files or creation of configurable symbolic links
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# USERDIRS - When NuttX is build is a monolithic kernel, this provides the
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# list of directories that must be built
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# OTHERDIRS - These are directories that are not built but probably should
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# be cleaned to prevent garbarge from collecting in them when changing
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# configurations.
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NONFSDIRS = sched $(ARCH_SRC) $(NUTTX_ADDONS)
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FSDIRS = fs drivers binfmt
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@ -118,11 +121,14 @@ CONTEXTDIRS += syscall
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USERDIRS += syscall lib mm $(USER_ADDONS)
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else
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NONFSDIRS += lib mm
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OTHERDIRS += syscall $(USER_ADDONS)
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endif
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ifeq ($(CONFIG_NX),y)
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NONFSDIRS += graphics
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CONTEXTDIRS += graphics
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else
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OTHERDIRS += graphics
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endif
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# CLEANDIRS are the directories that will clean in. These are
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@ -133,7 +139,7 @@ endif
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# USERDEPDIRS. If NuttX and applications are built separately (CONFIG_NUTTX_KERNEL),
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# then this holds only the directories containing user files.
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CLEANDIRS = $(NONFSDIRS) $(FSDIRS) $(USERDIRS)
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CLEANDIRS = $(NONFSDIRS) $(FSDIRS) $(USERDIRS) $(OTHERDIRS)
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KERNDEPDIRS = $(NONFSDIRS)
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USERDEPDIRS = $(USERDIRS)
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@ -57,6 +57,10 @@ CHIP_CSRCS = sam3u_allocateheap.c sam3u_clockconfig.c sam3u_gpioirq.c \
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# Configuration-dependent SAM3U files
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ifeq ($(CONFIG_NUTTX_KERNEL),y)
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CHIP_CSRCS += sam3u_userspace.c sam3u_mpuinit.c
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endif
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ifeq ($(CONFIG_SAM3U_DMA),y)
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CHIP_CSRCS += sam3u_dmac.c
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endif
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@ -64,3 +68,4 @@ endif
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ifeq ($(CONFIG_SAM3U_HSMCI),y)
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CHIP_CSRCS += sam3u_hsmci.c
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endif
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@ -1,7 +1,7 @@
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/************************************************************************************
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* arch/arm/src/sam3u/sam3u_internal.h
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*
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* Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
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* Copyright (C) 2009-2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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@ -437,6 +437,34 @@ EXTERN void sam3u_clockconfig(void);
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EXTERN void sam3u_lowsetup(void);
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/****************************************************************************
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* Name: sam3u_userspace
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*
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* Description:
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* For the case of the separate user-/kernel-space build, perform whatever
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* platform specific initialization of the user memory is required.
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* Normally this just means initializing the user space .data and .bss
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* segements.
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*
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****************************************************************************/
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#ifndef CONFIG_NUTTX_KERNEL
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EXTERN void sam3u_userspace(void);
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#endif
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/****************************************************************************
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* Name: sam3u_mpuinitialize
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*
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* Description:
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* Configure the MPU to permit user-space access to only restricted SAM3U
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* resources.
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*
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****************************************************************************/
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#ifndef CONFIG_NUTTX_KERNEL
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EXTERN void sam3u_mpuinitialize(void);
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#endif
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/************************************************************************************
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* Name: sam3u_gpioirqinitialize
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*
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@ -0,0 +1,76 @@
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/****************************************************************************
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* arch/arm/src/common/sam3u_mpuinit.c
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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 <arch/board/user_map.h>
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#ifndef CONFIG_NUTTX_KERNEL
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/****************************************************************************
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* Private Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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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: sam3u_mpuinitialize
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*
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* Description:
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* Configure the MPU to permit user-space access to only restricted SAM3U
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* resources.
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*
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****************************************************************************/
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void sam3u_mpuinitialize(void)
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{
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# warning "Not implemented"
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}
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#endif /* CONFIG_NUTTX_KERNEL */
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@ -134,6 +134,16 @@ void __start(void)
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#endif
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showprogress('D');
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/* For the case of the separate user-/kernel-space build, perform whatever
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* platform specific initialization of the user memory is required.
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* Normally this just means initializing the user space .data and .bss
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* segements.
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*/
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#ifndef CONFIG_NUTTX_KERNEL
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sam3u_userspace();
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#endif
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/* Initialize onboard resources */
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sam3u_boardinitialize();
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@ -0,0 +1,105 @@
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/****************************************************************************
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* arch/arm/src/common/sam3u_userspace.c
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*
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* Copyright (C) 2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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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 <arch/board/user_map.h>
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#ifndef CONFIG_NUTTX_KERNEL
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/****************************************************************************
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* Private Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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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: sam3u_userspace
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*
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* Description:
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* For the case of the separate user-/kernel-space build, perform whatever
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* platform specific initialization of the user memory is required.
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* Normally this just means initializing the user space .data and .bss
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* segements.
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*
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****************************************************************************/
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void sam3u_userspace(void)
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{
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uint8_t *src;
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uint8_t *dest;
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uint8_t *end;
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/* Clear all of user-space .bss */
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DEBUGASSERT((uintptr_t)CONFIG_USER_DATADESTSTART <= CONFIG_USER_DATADESTEND);
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dest = (uint8_t*)CONFIG_USER_BSSSTART;
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end = (uint8_t*)CONFIG_USER_BSSEND;
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while (dest != end)
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{
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*dest++ = 0;
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}
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/* Initialize all of user-space .data */
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DEBUGASSERT((uintptr_t)CONFIG_USER_DATADESTSTART <= CONFIG_USER_DATADESTEND);
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src = (uint8_t*)CONFIG_USER_DATASOURCE;
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dest = (uint8_t*)CONFIG_USER_DATADESTSTART;
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end = (uint8_t*)CONFIG_USER_DATADESTEND;
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while (dest != end)
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{
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*dest++ = *src++;
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}
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}
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#endif /* CONFIG_NUTTX_KERNEL */
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@ -93,6 +93,8 @@ $(BOARD_INCLUDE)/user_map.h: $(TOPDIR)/User.map
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@echo "#define CONFIG_USER_DATASOURCE 0x`grep \" _eronly$\" $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
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@echo "#define CONFIG_USER_DATADESTSTART 0x`grep \" _sdata$\" $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
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@echo "#define CONFIG_USER_DATADESTEND 0x`grep \" _edata$\" $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
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@echo "#define CONFIG_USER_BSSSTART 0x`grep \" _sbss\" $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
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@echo "#define CONFIG_USER_BSSEND 0x`grep \" _ebss$\" $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
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@echo "" >> $(BOARD_INCLUDE)/user_map.h
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@echo "/* Memory manager entry points */" >> $(BOARD_INCLUDE)/user_map.h
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@echo "" >> $(BOARD_INCLUDE)/user_map.h
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@ -434,7 +434,6 @@ EXTERN void up_enable_irq(int irq);
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EXTERN void up_disable_irq(int irq);
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#endif
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/****************************************************************************
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* Name: up_prioritize_irq
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*
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@ -462,51 +461,6 @@ EXTERN int up_prioritize_irq(int irq, int priority);
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EXTERN void up_mdelay(unsigned int milliseconds);
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EXTERN void up_udelay(useconds_t microseconds);
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/****************************************************************************
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* Name: up_fbinitialize, up_fbuninitialize, up_fbgetvplane
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*
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* Description:
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* If an architecture supports a framebuffer, then it must provide APIs
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* to access the framebuffer as follows:
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*
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* up_fbinitialize - Initialize the framebuffer video hardware
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* up_fbgetvplane - Return a a reference to the framebuffer object for
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* the specified video plane. Most OSDs support
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* multiple planes of video.
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* up_fbuninitialize - Unitialize the framebuffer support
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*
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***************************************************************************/
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struct fb_vtable_s; /* See nuttx/fb.h */
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EXTERN int up_fbinitialize(void);
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EXTERN FAR struct fb_vtable_s *up_fbgetvplane(int vplane);
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EXTERN void fb_uninitialize(void);
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/****************************************************************************
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* Name: up_lcdinitialize, up_lcdgetdev, up_lcduninitialize
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*
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* Description:
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* If an architecture supports a parallel or serial LCD, then it must
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* provide APIs to access the LCD as follows:
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*
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* up_lcdinitialize - Initialize the LCD video hardware. The initial
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* state of the LCD is fully initialized, display
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* memory cleared, and the LCD ready to use, but with
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* the power setting at 0 (full off).
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* up_lcdgetdev - Return a a reference to the LCD object for
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* the specified LCD. This allows support for
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* multiple LCD devices.
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* up_lcduninitialize - Unitialize the LCD support
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*
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***************************************************************************/
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struct lcd_dev_s; /* See nuttx/lcd.h */
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EXTERN int up_lcdinitialize(void);
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EXTERN FAR struct lcd_dev_s *up_lcdgetdev(int lcddev);
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EXTERN void up_lcduninitialize(void);
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/****************************************************************************
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* These are standard interfaces that are exported by the OS
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* for use by the architecture specific logic
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@ -315,4 +315,39 @@ struct fb_vtable_s
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#endif
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};
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/****************************************************************************
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* Public Function Prototypes
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****************************************************************************/
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#ifdef __cplusplus
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#define EXTERN extern "C"
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extern "C" {
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#else
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: up_fbinitialize, up_fbuninitialize, up_fbgetvplane
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*
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* Description:
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* If an architecture supports a framebuffer, then it must provide APIs
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* to access the framebuffer as follows:
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*
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* up_fbinitialize - Initialize the framebuffer video hardware
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* up_fbgetvplane - Return a a reference to the framebuffer object for
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* the specified video plane. Most OSDs support
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* multiple planes of video.
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* up_fbuninitialize - Unitialize the framebuffer support
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*
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***************************************************************************/
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EXTERN int up_fbinitialize(void);
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EXTERN FAR struct fb_vtable_s *up_fbgetvplane(int vplane);
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EXTERN void fb_uninitialize(void);
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#undef EXTERN
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#ifdef __cplusplus
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}
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#endif
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#endif /* _INCLUDE_NUTTX_FB_H */
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@ -1,7 +1,7 @@
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/****************************************************************************
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* include/nuttx/lcd/lcd.h
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*
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* Copyright (C) 2010 Gregory Nutt. All rights reserved.
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* Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
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* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
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*
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* Redistribution and use in source and binary forms, with or without
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@ -189,6 +189,28 @@ extern "C" {
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#define EXTERN extern
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#endif
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/****************************************************************************
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* Name: up_lcdinitialize, up_lcdgetdev, up_lcduninitialize
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*
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* Description:
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* If an architecture supports a parallel or serial LCD, then it must
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* provide APIs to access the LCD as follows:
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*
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* up_lcdinitialize - Initialize the LCD video hardware. The initial
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* state of the LCD is fully initialized, display
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* memory cleared, and the LCD ready to use, but with
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* the power setting at 0 (full off).
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* up_lcdgetdev - Return a a reference to the LCD object for
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* the specified LCD. This allows support for
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* multiple LCD devices.
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* up_lcduninitialize - Unitialize the LCD support
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*
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***************************************************************************/
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EXTERN int up_lcdinitialize(void);
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EXTERN FAR struct lcd_dev_s *up_lcdgetdev(int lcddev);
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EXTERN void up_lcduninitialize(void);
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#undef EXTERN
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#ifdef __cplusplus
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}
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@ -134,9 +134,9 @@ int os_bringup(void)
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#endif
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int init_taskid;
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/* Start the page fill worker thread that will resolve page faults.
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* This should always be the first thread started because it may
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* have to resolve page faults in other threads
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/* Start the page fill worker kernel thread that will resolve page faults.
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* This should always be the first thread started because it may have to
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* resolve page faults in other threads
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*/
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#ifdef CONFIG_PAGING
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@ -148,7 +148,9 @@ int os_bringup(void)
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ASSERT(g_pgworker != ERROR);
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#endif
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/* Start the worker thread that will perform misc garbage clean-up */
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/* Start the worker thread that will serve as the device driver "bottom-
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* half" and will perform misc garbage clean-up.
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*/
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#ifdef CONFIG_SCHED_WORKQUEUE
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svdbg("Starting worker thread\n");
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@ -160,7 +162,8 @@ int os_bringup(void)
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#endif
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/* Once the operating system has been initialized, the system must be
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* started by spawning the user init thread of execution.
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* started by spawning the user init thread of execution. This is the
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* first user-mode thead.
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*/
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svdbg("Starting init thread\n");
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