From 06a12bea6cbde579be548c0cd89a5df34ee526fb Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Thu, 17 Aug 2017 09:15:12 -0600 Subject: [PATCH] STM32L476VG Discovery: Add a knsh configuration that may be used to test the PROTECTED build mode. --- arch/arm/src/stm32l4/stm32l4_mpuinit.c | 116 +++++++++++++++ arch/arm/src/stm32l4/stm32l4_mpuinit.h | 78 ++++++++++ arch/arm/src/stm32l4/stm32l4_userspace.c | 107 ++++++++++++++ arch/arm/src/stm32l4/stm32l4_userspace.h | 64 +++++++++ configs/stm32l476vg-disco/README.txt | 81 +++++++++++ configs/stm32l476vg-disco/kernel/.gitignore | 2 + configs/stm32l476vg-disco/kernel/Makefile | 122 ++++++++++++++++ .../kernel/stm32l4_userspace.c | 133 ++++++++++++++++++ configs/stm32l476vg-disco/knsh/Make.defs | 118 ++++++++++++++++ configs/stm32l476vg-disco/knsh/defconfig | 77 ++++++++++ .../stm32l476vg-disco/scripts/kernel-space.ld | 109 ++++++++++++++ configs/stm32l476vg-disco/scripts/memory.ld | 100 +++++++++++++ .../stm32l476vg-disco/scripts/user-space.ld | 111 +++++++++++++++ 13 files changed, 1218 insertions(+) create mode 100644 configs/stm32l476vg-disco/kernel/.gitignore create mode 100644 configs/stm32l476vg-disco/kernel/Makefile create mode 100644 configs/stm32l476vg-disco/kernel/stm32l4_userspace.c create mode 100644 configs/stm32l476vg-disco/knsh/Make.defs create mode 100644 configs/stm32l476vg-disco/knsh/defconfig create mode 100644 configs/stm32l476vg-disco/scripts/kernel-space.ld create mode 100644 configs/stm32l476vg-disco/scripts/memory.ld create mode 100644 configs/stm32l476vg-disco/scripts/user-space.ld diff --git a/arch/arm/src/stm32l4/stm32l4_mpuinit.c b/arch/arm/src/stm32l4/stm32l4_mpuinit.c index e69de29bb2d..dc77c0a8a33 100644 --- a/arch/arm/src/stm32l4/stm32l4_mpuinit.c +++ b/arch/arm/src/stm32l4/stm32l4_mpuinit.c @@ -0,0 +1,116 @@ +/**************************************************************************** + * arch/arm/src/stm32l4/stm32l4_mpuinit.c + * + * Copyright (C) 2017 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include + +#include + +#include "mpu.h" +#include "stm32l4_mpuinit.h" + +#if defined(CONFIG_BUILD_PROTECTED) && defined(CONFIG_ARM_MPU) + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#ifndef MAX +# define MAX(a,b) a > b ? a : b +#endif + +#ifndef MIN +# define MIN(a,b) a < b ? a : b +#endif + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: stm32l4_mpuinitialize + * + * Description: + * Configure the MPU to permit user-space access to only restricted SAM3U + * resources. + * + ****************************************************************************/ + +void stm32l4_mpuinitialize(void) +{ + uintptr_t datastart = MIN(USERSPACE->us_datastart, USERSPACE->us_bssstart); + uintptr_t dataend = MAX(USERSPACE->us_dataend, USERSPACE->us_bssend); + + DEBUGASSERT(USERSPACE->us_textend >= USERSPACE->us_textstart && + dataend >= datastart); + + /* Show MPU information */ + + mpu_showtype(); + + /* Configure user flash and SRAM space */ + + mpu_user_flash(USERSPACE->us_textstart, + USERSPACE->us_textend - USERSPACE->us_textstart); + + mpu_user_intsram(datastart, dataend - datastart); + + /* Then enable the MPU */ + + mpu_control(true, false, true); +} + +/**************************************************************************** + * Name: stm32l4_mpu_uheap + * + * Description: + * Map the user-heap region. + * + * This logic may need an extension to handle external SDRAM). + * + ****************************************************************************/ + +void stm32l4_mpu_uheap(uintptr_t start, size_t size) +{ + mpu_user_intsram(start, size); +} + +#endif /* CONFIG_BUILD_PROTECTED && CONFIG_ARM_MPU */ + diff --git a/arch/arm/src/stm32l4/stm32l4_mpuinit.h b/arch/arm/src/stm32l4/stm32l4_mpuinit.h index e69de29bb2d..93ef21121b2 100644 --- a/arch/arm/src/stm32l4/stm32l4_mpuinit.h +++ b/arch/arm/src/stm32l4/stm32l4_mpuinit.h @@ -0,0 +1,78 @@ +/************************************************************************************ + * arch/arm/src/stm32l4/stm32l4_mpuinit.h + * + * Copyright (C) 2017 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +#ifndef __ARCH_ARM_SRC_STM32L4_STM32L4_MPUINIT_H +#define __ARCH_ARM_SRC_STM32L4_STM32L4_MPUINIT_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +/************************************************************************************ + * Public Functions + ************************************************************************************/ + +/**************************************************************************** + * Name: stm32l4_mpuinitialize + * + * Description: + * Configure the MPU to permit user-space access to only unrestricted MCU + * resources. + * + ****************************************************************************/ + +#ifdef CONFIG_BUILD_PROTECTED +void stm32l4_mpuinitialize(void); +#else +# define stm32l4_mpuinitialize() +#endif + +/**************************************************************************** + * Name: stm32l4_mpu_uheap + * + * Description: + * Map the user heap region. + * + ****************************************************************************/ + +#ifdef CONFIG_BUILD_PROTECTED +void stm32l4_mpu_uheap(uintptr_t start, size_t size); +#else +# define stm32l4_mpu_uheap(start,size) +#endif + +#endif /* __ARCH_ARM_SRC_STM32L4_STM32L4_MPUINIT_H */ diff --git a/arch/arm/src/stm32l4/stm32l4_userspace.c b/arch/arm/src/stm32l4/stm32l4_userspace.c index e69de29bb2d..42b3b7bbb18 100644 --- a/arch/arm/src/stm32l4/stm32l4_userspace.c +++ b/arch/arm/src/stm32l4/stm32l4_userspace.c @@ -0,0 +1,107 @@ +/**************************************************************************** + * arch/arm/src/stm32l4/stm32l4_userspace.c + * + * Copyright (C) 2017 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include +#include + +#include + +#include "stm32l4_mpuinit.h" +#include "stm32l4_userspace.h" + +#ifdef CONFIG_BUILD_PROTECTED + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: stm32l4_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 + * segments. + * + ****************************************************************************/ + +void stm32l4_userspace(void) +{ + uint8_t *src; + uint8_t *dest; + uint8_t *end; + + /* Clear all of user-space .bss */ + + DEBUGASSERT(USERSPACE->us_bssstart != 0 && USERSPACE->us_bssend != 0 && + USERSPACE->us_bssstart <= USERSPACE->us_bssend); + + dest = (uint8_t *)USERSPACE->us_bssstart; + end = (uint8_t *)USERSPACE->us_bssend; + + while (dest != end) + { + *dest++ = 0; + } + + /* Initialize all of user-space .data */ + + DEBUGASSERT(USERSPACE->us_datasource != 0 && + USERSPACE->us_datastart != 0 && USERSPACE->us_dataend != 0 && + USERSPACE->us_datastart <= USERSPACE->us_dataend); + + src = (uint8_t *)USERSPACE->us_datasource; + dest = (uint8_t *)USERSPACE->us_datastart; + end = (uint8_t *)USERSPACE->us_dataend; + + while (dest != end) + { + *dest++ = *src++; + } + + /* Configure the MPU to permit user-space access to its FLASH and RAM */ + + stm32l4_mpuinitialize(); +} + +#endif /* CONFIG_BUILD_PROTECTED */ + diff --git a/arch/arm/src/stm32l4/stm32l4_userspace.h b/arch/arm/src/stm32l4/stm32l4_userspace.h index e69de29bb2d..250c15b9ace 100644 --- a/arch/arm/src/stm32l4/stm32l4_userspace.h +++ b/arch/arm/src/stm32l4/stm32l4_userspace.h @@ -0,0 +1,64 @@ +/************************************************************************************ + * arch/arm/src/stm32l4/stm32l4_userspace.h + * + * Copyright (C) 2017 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ************************************************************************************/ + +#ifndef __ARCH_ARM_SRC_STM32L4_STM32L4_USERSPACE_H +#define __ARCH_ARM_SRC_STM32L4_STM32L4_USERSPACE_H + +/************************************************************************************ + * Included Files + ************************************************************************************/ + +#include + +/************************************************************************************ + * Public Function Prototypes + ************************************************************************************/ + +/**************************************************************************** + * Name: stm32l4_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 + * segments. + * + ****************************************************************************/ + +#ifdef CONFIG_BUILD_PROTECTED +void stm32l4_userspace(void); +#endif + +#endif /* __ARCH_ARM_SRC_STM32L4_STM32L4_USERSPACE_H */ diff --git a/configs/stm32l476vg-disco/README.txt b/configs/stm32l476vg-disco/README.txt index 7f6113b5181..03f927fa1a9 100644 --- a/configs/stm32l476vg-disco/README.txt +++ b/configs/stm32l476vg-disco/README.txt @@ -340,6 +340,87 @@ Shields Configurations ============== + knsh: + ---- + + This is identical to the nsh configuration below except that (1) NuttX + is built as a PROTECTED mode, monolithic module and the user applications + are built separately and, as a consequence, (2) some features that are + only availabled in the FLAT build are disabled. + + It is recommends to use a special make command; not just 'make' but make + with the following two arguments: + + make pass1 pass2 + + In the normal case (just 'make'), make will attempt to build both user- + and kernel-mode blobs more or less interleaved. That actual works! + However, for me it is very confusing so I prefer the above make command: + Make the user-space binaries first (pass1), then make the kernel-space + binaries (pass2) + + NOTES: + + 1. At the end of the build, there will be several files in the top-level + NuttX build directory: + + PASS1: + nuttx_user.elf - The pass1 user-space ELF file + nuttx_user.hex - The pass1 Intel HEX format file (selected in defconfig) + User.map - Symbols in the user-space ELF file + + PASS2: + nuttx - The pass2 kernel-space ELF file + nuttx.hex - The pass2 Intel HEX file (selected in defconfig) + System.map - Symbols in the kernel-space ELF file + + The J-Link programmer will except files in .hex, .mot, .srec, and .bin + formats. + + 2. Combining .hex files. If you plan to use the .hex files with your + debugger or FLASH utility, then you may need to combine the two hex + files into a single .hex file. Here is how you can do that. + + a. The 'tail' of the nuttx.hex file should look something like this + (with my comments added): + + $ tail nuttx.hex + # 00, data records + ... + :10 9DC0 00 01000000000800006400020100001F0004 + :10 9DD0 00 3B005A0078009700B500D400F300110151 + :08 9DE0 00 30014E016D0100008D + # 05, Start Linear Address Record + :04 0000 05 0800 0419 D2 + # 01, End Of File record + :00 0000 01 FF + + Use an editor such as vi to remove the 05 and 01 records. + + b. The 'head' of the nuttx_user.hex file should look something like + this (again with my comments added): + + $ head nuttx_user.hex + # 04, Extended Linear Address Record + :02 0000 04 0801 F1 + # 00, data records + :10 8000 00 BD89 01084C800108C8110208D01102087E + :10 8010 00 0010 00201C1000201C1000203C16002026 + :10 8020 00 4D80 01085D80010869800108ED83010829 + ... + + Nothing needs to be done here. The nuttx_user.hex file should + be fine. + + c. Combine the edited nuttx.hex and un-edited nuttx_user.hex + file to produce a single combined hex file: + + $ cat nuttx.hex nuttx_user.hex >combined.hex + + Then use the combined.hex file with the to write the FLASH image. + If you do this a lot, you will probably want to invest a little time + to develop a tool to automate these steps. + nsh: --- Configures the NuttShell (nsh) located at apps/examples/nsh for the diff --git a/configs/stm32l476vg-disco/kernel/.gitignore b/configs/stm32l476vg-disco/kernel/.gitignore new file mode 100644 index 00000000000..7bacd5aee3e --- /dev/null +++ b/configs/stm32l476vg-disco/kernel/.gitignore @@ -0,0 +1,2 @@ +/nuttx_user.elf + diff --git a/configs/stm32l476vg-disco/kernel/Makefile b/configs/stm32l476vg-disco/kernel/Makefile new file mode 100644 index 00000000000..8945105f57e --- /dev/null +++ b/configs/stm32l476vg-disco/kernel/Makefile @@ -0,0 +1,122 @@ +############################################################################ +# configs/stm32l476vg_disco/kernel/Makefile +# +# Copyright (C) 2017 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name NuttX nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +-include $(TOPDIR)/Make.defs + +# This is the directory for the board-specific header files + +BOARD_INCLUDE = $(TOPDIR)$(DELIM)configs$(DELIM)$(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)configs$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)memory.ld}" + USER_LDSCRIPT += -T "${shell cygpath -w $(TOPDIR)$(DELIM)configs$(DELIM)$(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)$(DELIM)configs$(DELIM)$(CONFIG_ARCH_BOARD)$(DELIM)scripts$(DELIM)memory.ld + USER_LDSCRIPT += -T$(TOPDIR)$(DELIM)configs$(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 = stm32l4_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) --end-group $(USER_LIBGCC) + +$(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/configs/stm32l476vg-disco/kernel/stm32l4_userspace.c b/configs/stm32l476vg-disco/kernel/stm32l4_userspace.c new file mode 100644 index 00000000000..b5c3a0f6b7a --- /dev/null +++ b/configs/stm32l476vg-disco/kernel/stm32l4_userspace.c @@ -0,0 +1,133 @@ +/**************************************************************************** + * configs/stm32l476vg_disco/kernel/stm32l4_userspace.c + * + * Copyright (C) 2017 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include + +#include +#include +#include +#include + +#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 != 0x08020000 +# error "CONFIG_NUTTX_USERSPACE must be 0x08020000 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 */ + +#ifndef CONFIG_DISABLE_SIGNALS + .signal_handler = up_signal_handler, +#endif + + /* 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/configs/stm32l476vg-disco/knsh/Make.defs b/configs/stm32l476vg-disco/knsh/Make.defs new file mode 100644 index 00000000000..141be6fa6c8 --- /dev/null +++ b/configs/stm32l476vg-disco/knsh/Make.defs @@ -0,0 +1,118 @@ +############################################################################ +# configs/stm32l476vg-disco/knsh/Make.defs +# +# Copyright (C) 2017 Gregory Nutt. All rights reserved. +# Author: Gregory Nutt +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# 1. Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# 2. Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# 3. Neither the name NuttX nor the names of its contributors may be +# used to endorse or promote products derived from this software +# without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +# FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +# COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +# INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +# BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS +# OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED +# AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +# LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +# ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +# POSSIBILITY OF SUCH DAMAGE. +# +############################################################################ + +include ${TOPDIR}/.config +include ${TOPDIR}/tools/Config.mk +include ${TOPDIR}/arch/arm/src/armv7-m/Toolchain.defs + +LDSCRIPT1 = memory.ld +LDSCRIPT2 = kernel-space.ld + +ifeq ($(WINTOOL),y) + # Windows-native toolchains + DIRLINK = $(TOPDIR)/tools/copydir.sh + DIRUNLINK = $(TOPDIR)/tools/unlink.sh + MKDEP = $(TOPDIR)/tools/mknulldeps.sh + ARCHINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" + ARCHXXINCLUDES = -I. -isystem "${shell cygpath -w $(TOPDIR)/include}" -isystem "${shell cygpath -w $(TOPDIR)/include/cxx}" + ARCHSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT1)}" + ARCHSCRIPT += -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT2)}" +else + # Linux/Cygwin-native toolchain + MKDEP = $(TOPDIR)/tools/mkdeps$(HOSTEXEEXT) + ARCHINCLUDES = -I. -isystem $(TOPDIR)/include + ARCHXXINCLUDES = -I. -isystem $(TOPDIR)/include -isystem $(TOPDIR)/include/cxx + ARCHSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT1) + ARCHSCRIPT += -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/scripts/$(LDSCRIPT2) +endif + +CC = $(CROSSDEV)gcc +CXX = $(CROSSDEV)g++ +CPP = $(CROSSDEV)gcc -E +LD = $(CROSSDEV)ld +AR = $(ARCROSSDEV)ar rcs +NM = $(ARCROSSDEV)nm +OBJCOPY = $(CROSSDEV)objcopy +OBJDUMP = $(CROSSDEV)objdump + +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'} +ARCHCCMAJOR = ${shell echo $(ARCHCCVERSION) | cut -d'.' -f1} + +ifeq ($(CONFIG_DEBUG_SYMBOLS),y) + ARCHOPTIMIZATION = -g +endif + +ifneq ($(CONFIG_DEBUG_NOOPT),y) + ARCHOPTIMIZATION += $(MAXOPTIMIZATION) -fno-strict-aliasing -fno-strength-reduce -fomit-frame-pointer +endif + +ARCHCFLAGS = -fno-builtin +ARCHCXXFLAGS = -fno-builtin -fno-exceptions -fcheck-new -fno-rtti +ARCHWARNINGS = -Wall -Wstrict-prototypes -Wshadow -Wundef +ARCHWARNINGSXX = -Wall -Wshadow -Wundef +ARCHDEFINES = +ARCHPICFLAGS = -fpic -msingle-pic-base -mpic-register=r10 + +CFLAGS = $(ARCHCFLAGS) $(ARCHWARNINGS) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe +CPICFLAGS = $(ARCHPICFLAGS) $(CFLAGS) +CXXFLAGS = $(ARCHCXXFLAGS) $(ARCHWARNINGSXX) $(ARCHOPTIMIZATION) $(ARCHCPUFLAGS) $(ARCHXXINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) -pipe +CXXPICFLAGS = $(ARCHPICFLAGS) $(CXXFLAGS) +CPPFLAGS = $(ARCHINCLUDES) $(ARCHDEFINES) $(EXTRADEFINES) +AFLAGS = $(CFLAGS) -D__ASSEMBLY__ + +NXFLATLDFLAGS1 = -r -d -warn-common +NXFLATLDFLAGS2 = $(NXFLATLDFLAGS1) -T$(TOPDIR)/binfmt/libnxflat/gnu-nxflat-pcrel.ld -no-check-sections +LDNXFLATFLAGS = -e main -s 2048 + +ASMEXT = .S +OBJEXT = .o +LIBEXT = .a +EXEEXT = + +ifneq ($(CROSSDEV),arm-nuttx-elf-) + LDFLAGS += -nostartfiles -nodefaultlibs +endif +ifeq ($(CONFIG_DEBUG_SYMBOLS),y) + LDFLAGS += -g +endif + +#LDFLAGS += -Map=${TOPDIR}/nuttx.map +#CFLAGS += -Wa,-adhln +#CXXFLAGS += -Wa,-adhln + +HOSTCC = gcc +HOSTINCLUDES = -I. +HOSTCFLAGS = -Wall -Wstrict-prototypes -Wshadow -Wundef -g -pipe +HOSTLDFLAGS = diff --git a/configs/stm32l476vg-disco/knsh/defconfig b/configs/stm32l476vg-disco/knsh/defconfig new file mode 100644 index 00000000000..c6b8035215a --- /dev/null +++ b/configs/stm32l476vg-disco/knsh/defconfig @@ -0,0 +1,77 @@ +# CONFIG_ARCH_FPU is not set +# CONFIG_NSH_ARGCAT is not set +# CONFIG_NSH_CMDOPT_DF_H is not set +# CONFIG_NSH_CMDOPT_HEXDUMP is not set +# CONFIG_NSH_CMDPARMS is not set +CONFIG_ARCH_BOARD_STM32L476VG_DISCO=y +CONFIG_ARCH_BOARD="stm32l476vg-disco" +CONFIG_ARCH_BUTTONS=y +CONFIG_ARCH_CHIP_STM32L4=y +CONFIG_ARCH_CHIP_STM32L476RG=y +CONFIG_ARCH_INTERRUPTSTACK=2048 +CONFIG_ARCH_IRQBUTTONS=y +CONFIG_ARCH_STACKDUMP=y +CONFIG_ARCH="arm" +CONFIG_ARM_MPU=y +CONFIG_BOARD_LOOPSPERMSEC=8499 +CONFIG_BOARDCTL_IOCTL=y +CONFIG_BOARDCTL_UNIQUEID_SIZE=12 +CONFIG_BOARDCTL_UNIQUEID=y +CONFIG_BUILD_PROTECTED=y +CONFIG_DEV_LOOP=y +CONFIG_DEV_ZERO=y +CONFIG_DISABLE_POLL=y +CONFIG_EXAMPLES_NSH_CXXINITIALIZE=y +CONFIG_EXAMPLES_NSH=y +CONFIG_FS_PROCFS_REGISTER=y +CONFIG_FS_PROCFS=y +CONFIG_FS_TMPFS=y +CONFIG_HAVE_CXX=y +CONFIG_HAVE_CXXINITIALIZE=y +CONFIG_INTELHEX_BINARY=y +CONFIG_MAX_TASKS=16 +CONFIG_MAX_WDOGPARMS=2 +CONFIG_MTD_N25QXXX=y +CONFIG_MTD_PARTITION=y +CONFIG_MTD=y +CONFIG_N25QXXX_SECTOR512=y +CONFIG_NFILE_DESCRIPTORS=8 +CONFIG_NFILE_STREAMS=8 +CONFIG_NSH_ARCHINIT=y +CONFIG_NSH_DISABLE_DD=y +CONFIG_NSH_DISABLE_IFUPDOWN=y +CONFIG_NSH_DISABLE_MKRD=y +CONFIG_NSH_FILEIOSIZE=512 +CONFIG_NSH_LINELEN=64 +CONFIG_NSH_READLINE=y +CONFIG_NUTTX_USERSPACE=0x08020000 +CONFIG_PASS1_BUILDIR="configs/stm32l476vg-disco/kernel" +CONFIG_PREALLOC_MQ_MSGS=4 +CONFIG_PREALLOC_TIMERS=4 +CONFIG_PREALLOC_WDOGS=8 +CONFIG_RAM_SIZE=98304 +CONFIG_RAM_START=0x20000000 +CONFIG_RAW_BINARY=y +CONFIG_RR_INTERVAL=200 +CONFIG_RTC_ALARM=y +CONFIG_RTC_DATETIME=y +CONFIG_RTC_DRIVER=y +CONFIG_RTC_IOCTL=y +CONFIG_RTC_NALARMS=2 +CONFIG_RTC=y +CONFIG_SCHED_WAITPID=y +CONFIG_SDCLONE_DISABLE=y +CONFIG_SPI=y +CONFIG_STM32L4_DISABLE_IDLE_SLEEP_DURING_DEBUG=y +CONFIG_STM32L4_DMA1=y +CONFIG_STM32L4_DMA2=y +CONFIG_STM32L4_PWR=y +CONFIG_STM32L4_QSPI=y +CONFIG_STM32L4_RNG=y +CONFIG_STM32L4_SAI1PLL=y +CONFIG_STM32L4_USART2=y +CONFIG_SYS_RESERVED=8 +CONFIG_TASK_NAME_SIZE=0 +CONFIG_USART2_SERIAL_CONSOLE=y +CONFIG_USER_ENTRYPOINT="nsh_main" +CONFIG_WDOG_INTRESERVE=1 diff --git a/configs/stm32l476vg-disco/scripts/kernel-space.ld b/configs/stm32l476vg-disco/scripts/kernel-space.ld new file mode 100644 index 00000000000..3feb651e6e6 --- /dev/null +++ b/configs/stm32l476vg-disco/scripts/kernel-space.ld @@ -0,0 +1,109 @@ +/**************************************************************************** + * configs/stm32f4discovery/scripts/kernel-space.ld + * + * Copyright (C) 2013 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/* 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 + _edata = ABSOLUTE(.); + } > ksram AT > kflash + + .bss : { + _sbss = ABSOLUTE(.); + *(.bss .bss.*) + *(.gnu.linkonce.b.*) + *(COMMON) + _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/configs/stm32l476vg-disco/scripts/memory.ld b/configs/stm32l476vg-disco/scripts/memory.ld new file mode 100644 index 00000000000..7dbe1317eb9 --- /dev/null +++ b/configs/stm32l476vg-disco/scripts/memory.ld @@ -0,0 +1,100 @@ +/**************************************************************************** + * configs/stm32f4discovery/scripts/memory.ld + * + * Copyright (C) 2013 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/* The STM32L476VG has 1024Kb of FLASH beginning at address 0x0800:0000, + * 96Kb of SRAM beginning at address 0x2000:0000, and 32Kb of SRAM2 beginning + * at address 0x1000:0000. The SRAM2 has special properties (e.g. parity + * check, separate power domain for retention in low power modes, write + * protection). Alas, it is non-contiguous with main SRAM. + * When booting from FLASH, + * + * FLASH memory is aliased to address 0x0000:0000 where the code expects to + * begin execution by jumping to the entry point in the 0x0800:0000 address + * range. + * + * For MPU support, the kernel-mode NuttX section is assumed to be 128Kb of + * FLASH and 4Kb of SRAM. That is an excessive amount for the kernel which + * should fit into 64KB and, of course, can be optimized as needed (See + * also configs/stm32f4discovery/scripts/kernel-space.ld). Allowing the + * additional does permit addition debug instrumentation to be added to the + * kernel space without overflowing the partition. + * + * Alignment of the user space FLASH partition is also a critical factor: + * The user space FLASH partition will be spanned with a single region of + * size 2**n bytes. The alignment of the user-space region must be the same. + * As a consequence, as the user-space increases in size, the alignmment + * requirement also increases. + * + * This alignment requirement means that the largest user space FLASH region + * you can have will be 512KB at it would have to be positioned at + * 0x08800000. If you change this address, don't forget to change the + * CONFIG_NUTTX_USERSPACE configuration setting to match and to modify + * the check in kernel/userspace.c. + * + * For the same reasons, the maximum size of the SRAM mapping is limited to + * 4KB. Both of these alignment limitations could be reduced by using + * multiple regions to map the FLASH/SDRAM range or perhaps with some + * clever use of subregions. + * + * A detailed memory map for the 96KB SRAM region is as follows: + * + * 0x20000 0000: Kernel .data region. Typical size: 0.1KB + * ------- ---- Kernel .bss region. Typical size: 1.8KB + * 0x20000 0800: Kernel IDLE thread stack (approximate). Size is + * determined by CONFIG_IDLETHREAD_STACKSIZE and + * adjustments for alignment. Typical is 1KB. + * ------- ---- Padded to 4KB + * 0x20000 2000: User .data region. Size is variable. + * ------- ---- User .bss region Size is variable. + * 0x20000 4000: Beginning of kernel heap. Size determined by + * CONFIG_MM_KERNEL_HEAPSIZE. + * ------- ---- Beginning of user heap. Can vary with other settings. + * 0x20001 8000: End+1 of CPU RAM + */ + +MEMORY +{ + /* 1024Kb FLASH */ + + kflash (rx) : ORIGIN = 0x08000000, LENGTH = 128K + uflash (rx) : ORIGIN = 0x08020000, LENGTH = 128K + xflash (rx) : ORIGIN = 0x08040000, LENGTH = 768K + + /* 96Kb of contiguous SRAM */ + + ksram (rwx) : ORIGIN = 0x20000000, LENGTH = 8K + usram (rwx) : ORIGIN = 0x20001000, LENGTH = 8K + xsram (rwx) : ORIGIN = 0x20002000, LENGTH = 80K +} diff --git a/configs/stm32l476vg-disco/scripts/user-space.ld b/configs/stm32l476vg-disco/scripts/user-space.ld new file mode 100644 index 00000000000..4002d8bbccf --- /dev/null +++ b/configs/stm32l476vg-disco/scripts/user-space.ld @@ -0,0 +1,111 @@ +/**************************************************************************** + * configs/stm32f4discovery/scripts/user-space.ld + * + * Copyright (C) 2013, 2015 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/* 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 + _edata = ABSOLUTE(.); + } > usram AT > uflash + + .bss : { + _sbss = ABSOLUTE(.); + *(.bss .bss.*) + *(.gnu.linkonce.b.*) + *(COMMON) + _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) } +}