9
0
Fork 0

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:
patacongo 2011-04-08 15:24:50 +00:00
parent 789ce8e8ce
commit 6e2d7acade
11 changed files with 300 additions and 54 deletions

View File

@ -105,6 +105,9 @@ endif
# configuration specific files or creation of configurable symbolic links
# USERDIRS - When NuttX is build is a monolithic kernel, this provides the
# list of directories that must be built
# OTHERDIRS - These are directories that are not built but probably should
# be cleaned to prevent garbarge from collecting in them when changing
# configurations.
NONFSDIRS = sched $(ARCH_SRC) $(NUTTX_ADDONS)
FSDIRS = fs drivers binfmt
@ -118,11 +121,14 @@ CONTEXTDIRS += syscall
USERDIRS += syscall lib mm $(USER_ADDONS)
else
NONFSDIRS += lib mm
OTHERDIRS += syscall $(USER_ADDONS)
endif
ifeq ($(CONFIG_NX),y)
NONFSDIRS += graphics
CONTEXTDIRS += graphics
else
OTHERDIRS += graphics
endif
# CLEANDIRS are the directories that will clean in. These are
@ -133,7 +139,7 @@ endif
# USERDEPDIRS. If NuttX and applications are built separately (CONFIG_NUTTX_KERNEL),
# then this holds only the directories containing user files.
CLEANDIRS = $(NONFSDIRS) $(FSDIRS) $(USERDIRS)
CLEANDIRS = $(NONFSDIRS) $(FSDIRS) $(USERDIRS) $(OTHERDIRS)
KERNDEPDIRS = $(NONFSDIRS)
USERDEPDIRS = $(USERDIRS)

View File

@ -57,6 +57,10 @@ CHIP_CSRCS = sam3u_allocateheap.c sam3u_clockconfig.c sam3u_gpioirq.c \
# Configuration-dependent SAM3U files
ifeq ($(CONFIG_NUTTX_KERNEL),y)
CHIP_CSRCS += sam3u_userspace.c sam3u_mpuinit.c
endif
ifeq ($(CONFIG_SAM3U_DMA),y)
CHIP_CSRCS += sam3u_dmac.c
endif
@ -64,3 +68,4 @@ endif
ifeq ($(CONFIG_SAM3U_HSMCI),y)
CHIP_CSRCS += sam3u_hsmci.c
endif

View File

@ -1,7 +1,7 @@
/************************************************************************************
* arch/arm/src/sam3u/sam3u_internal.h
*
* Copyright (C) 2009-2010 Gregory Nutt. All rights reserved.
* Copyright (C) 2009-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@ -437,6 +437,34 @@ EXTERN void sam3u_clockconfig(void);
EXTERN void sam3u_lowsetup(void);
/****************************************************************************
* Name: sam3u_userspace
*
* Description:
* For the case of the separate user-/kernel-space build, perform whatever
* platform specific initialization of the user memory is required.
* Normally this just means initializing the user space .data and .bss
* segements.
*
****************************************************************************/
#ifndef CONFIG_NUTTX_KERNEL
EXTERN void sam3u_userspace(void);
#endif
/****************************************************************************
* Name: sam3u_mpuinitialize
*
* Description:
* Configure the MPU to permit user-space access to only restricted SAM3U
* resources.
*
****************************************************************************/
#ifndef CONFIG_NUTTX_KERNEL
EXTERN void sam3u_mpuinitialize(void);
#endif
/************************************************************************************
* Name: sam3u_gpioirqinitialize
*

View File

@ -0,0 +1,76 @@
/****************************************************************************
* arch/arm/src/common/sam3u_mpuinit.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 <arch/board/user_map.h>
#ifndef CONFIG_NUTTX_KERNEL
/****************************************************************************
* Private Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: sam3u_mpuinitialize
*
* Description:
* Configure the MPU to permit user-space access to only restricted SAM3U
* resources.
*
****************************************************************************/
void sam3u_mpuinitialize(void)
{
# warning "Not implemented"
}
#endif /* CONFIG_NUTTX_KERNEL */

View File

@ -134,6 +134,16 @@ void __start(void)
#endif
showprogress('D');
/* For the case of the separate user-/kernel-space build, perform whatever
* platform specific initialization of the user memory is required.
* Normally this just means initializing the user space .data and .bss
* segements.
*/
#ifndef CONFIG_NUTTX_KERNEL
sam3u_userspace();
#endif
/* Initialize onboard resources */
sam3u_boardinitialize();

View File

@ -0,0 +1,105 @@
/****************************************************************************
* arch/arm/src/common/sam3u_userspace.c
*
* Copyright (C) 2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* 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 <arch/board/user_map.h>
#ifndef CONFIG_NUTTX_KERNEL
/****************************************************************************
* Private Definitions
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
/****************************************************************************
* Name: sam3u_userspace
*
* Description:
* For the case of the separate user-/kernel-space build, perform whatever
* platform specific initialization of the user memory is required.
* Normally this just means initializing the user space .data and .bss
* segements.
*
****************************************************************************/
void sam3u_userspace(void)
{
uint8_t *src;
uint8_t *dest;
uint8_t *end;
/* Clear all of user-space .bss */
DEBUGASSERT((uintptr_t)CONFIG_USER_DATADESTSTART <= CONFIG_USER_DATADESTEND);
dest = (uint8_t*)CONFIG_USER_BSSSTART;
end = (uint8_t*)CONFIG_USER_BSSEND;
while (dest != end)
{
*dest++ = 0;
}
/* Initialize all of user-space .data */
DEBUGASSERT((uintptr_t)CONFIG_USER_DATADESTSTART <= CONFIG_USER_DATADESTEND);
src = (uint8_t*)CONFIG_USER_DATASOURCE;
dest = (uint8_t*)CONFIG_USER_DATADESTSTART;
end = (uint8_t*)CONFIG_USER_DATADESTEND;
while (dest != end)
{
*dest++ = *src++;
}
}
#endif /* CONFIG_NUTTX_KERNEL */

View File

@ -93,6 +93,8 @@ $(BOARD_INCLUDE)/user_map.h: $(TOPDIR)/User.map
@echo "#define CONFIG_USER_DATASOURCE 0x`grep \" _eronly$\" $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
@echo "#define CONFIG_USER_DATADESTSTART 0x`grep \" _sdata$\" $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
@echo "#define CONFIG_USER_DATADESTEND 0x`grep \" _edata$\" $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
@echo "#define CONFIG_USER_BSSSTART 0x`grep \" _sbss\" $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
@echo "#define CONFIG_USER_BSSEND 0x`grep \" _ebss$\" $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
@echo "" >> $(BOARD_INCLUDE)/user_map.h
@echo "/* Memory manager entry points */" >> $(BOARD_INCLUDE)/user_map.h
@echo "" >> $(BOARD_INCLUDE)/user_map.h

View File

@ -434,7 +434,6 @@ EXTERN void up_enable_irq(int irq);
EXTERN void up_disable_irq(int irq);
#endif
/****************************************************************************
* Name: up_prioritize_irq
*
@ -462,51 +461,6 @@ EXTERN int up_prioritize_irq(int irq, int priority);
EXTERN void up_mdelay(unsigned int milliseconds);
EXTERN void up_udelay(useconds_t microseconds);
/****************************************************************************
* Name: up_fbinitialize, up_fbuninitialize, up_fbgetvplane
*
* Description:
* If an architecture supports a framebuffer, then it must provide APIs
* to access the framebuffer as follows:
*
* up_fbinitialize - Initialize the framebuffer video hardware
* up_fbgetvplane - Return a a reference to the framebuffer object for
* the specified video plane. Most OSDs support
* multiple planes of video.
* up_fbuninitialize - Unitialize the framebuffer support
*
***************************************************************************/
struct fb_vtable_s; /* See nuttx/fb.h */
EXTERN int up_fbinitialize(void);
EXTERN FAR struct fb_vtable_s *up_fbgetvplane(int vplane);
EXTERN void fb_uninitialize(void);
/****************************************************************************
* Name: up_lcdinitialize, up_lcdgetdev, up_lcduninitialize
*
* Description:
* If an architecture supports a parallel or serial LCD, then it must
* provide APIs to access the LCD as follows:
*
* up_lcdinitialize - Initialize the LCD video hardware. The initial
* state of the LCD is fully initialized, display
* memory cleared, and the LCD ready to use, but with
* the power setting at 0 (full off).
* up_lcdgetdev - Return a a reference to the LCD object for
* the specified LCD. This allows support for
* multiple LCD devices.
* up_lcduninitialize - Unitialize the LCD support
*
***************************************************************************/
struct lcd_dev_s; /* See nuttx/lcd.h */
EXTERN int up_lcdinitialize(void);
EXTERN FAR struct lcd_dev_s *up_lcdgetdev(int lcddev);
EXTERN void up_lcduninitialize(void);
/****************************************************************************
* These are standard interfaces that are exported by the OS
* for use by the architecture specific logic

View File

@ -315,4 +315,39 @@ struct fb_vtable_s
#endif
};
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: up_fbinitialize, up_fbuninitialize, up_fbgetvplane
*
* Description:
* If an architecture supports a framebuffer, then it must provide APIs
* to access the framebuffer as follows:
*
* up_fbinitialize - Initialize the framebuffer video hardware
* up_fbgetvplane - Return a a reference to the framebuffer object for
* the specified video plane. Most OSDs support
* multiple planes of video.
* up_fbuninitialize - Unitialize the framebuffer support
*
***************************************************************************/
EXTERN int up_fbinitialize(void);
EXTERN FAR struct fb_vtable_s *up_fbgetvplane(int vplane);
EXTERN void fb_uninitialize(void);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* _INCLUDE_NUTTX_FB_H */

View File

@ -1,7 +1,7 @@
/****************************************************************************
* include/nuttx/lcd/lcd.h
*
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
* Copyright (C) 2010-2011 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
*
* Redistribution and use in source and binary forms, with or without
@ -189,6 +189,28 @@ extern "C" {
#define EXTERN extern
#endif
/****************************************************************************
* Name: up_lcdinitialize, up_lcdgetdev, up_lcduninitialize
*
* Description:
* If an architecture supports a parallel or serial LCD, then it must
* provide APIs to access the LCD as follows:
*
* up_lcdinitialize - Initialize the LCD video hardware. The initial
* state of the LCD is fully initialized, display
* memory cleared, and the LCD ready to use, but with
* the power setting at 0 (full off).
* up_lcdgetdev - Return a a reference to the LCD object for
* the specified LCD. This allows support for
* multiple LCD devices.
* up_lcduninitialize - Unitialize the LCD support
*
***************************************************************************/
EXTERN int up_lcdinitialize(void);
EXTERN FAR struct lcd_dev_s *up_lcdgetdev(int lcddev);
EXTERN void up_lcduninitialize(void);
#undef EXTERN
#ifdef __cplusplus
}

View File

@ -134,9 +134,9 @@ int os_bringup(void)
#endif
int init_taskid;
/* Start the page fill worker thread that will resolve page faults.
* This should always be the first thread started because it may
* have to resolve page faults in other threads
/* Start the page fill worker kernel thread that will resolve page faults.
* This should always be the first thread started because it may have to
* resolve page faults in other threads
*/
#ifdef CONFIG_PAGING
@ -148,7 +148,9 @@ int os_bringup(void)
ASSERT(g_pgworker != ERROR);
#endif
/* Start the worker thread that will perform misc garbage clean-up */
/* Start the worker thread that will serve as the device driver "bottom-
* half" and will perform misc garbage clean-up.
*/
#ifdef CONFIG_SCHED_WORKQUEUE
svdbg("Starting worker thread\n");
@ -160,7 +162,8 @@ int os_bringup(void)
#endif
/* Once the operating system has been initialized, the system must be
* started by spawning the user init thread of execution.
* started by spawning the user init thread of execution. This is the
* first user-mode thead.
*/
svdbg("Starting init thread\n");