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Add SAM3U kernel build logic

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git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3456 42af7a65-404d-4744-a932-0658087f49c3
This commit is contained in:
patacongo 2011-04-02 19:04:44 +00:00
parent 53573b8b7c
commit d99e391d4a
6 changed files with 267 additions and 13 deletions
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4
configs/ea3131/locked/ld-locked.script
View File

@ -1,5 +1,5 @@
/****************************************************************************
* configs/ea3131/pgnsh/ld-locked.script
* configs/ea3131/locked/ld-locked.script
*
* Copyright (C) 2010 Gregory Nutt. All rights reserved.
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
@ -40,4 +40,4 @@ SECTIONS
.text.locked : { *(.text .text.*) }
.data : { *(.data) }
.bss : { *(.bss) *(COMMON) }
}
}

104
configs/sam3u-ek/kernel/Makefile Executable file
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@ -0,0 +1,104 @@
############################################################################
# configs/sam3u-ek/kernel/Makefile
#
# 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.
#
############################################################################
-include $(TOPDIR)/.config
-include $(TOPDIR)/Make.defs
# This is the directory for the board-specific header files
BOARD_INCLUDE = $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/include
# 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)/$$path`;echo "-L\"`cygpath -w $$dir`\"";done}
USER_LDSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/kernel/kernel.ld}"
else
# Linux/Cygwin-native toolchain
USER_LIBPATHS = $(addprefix -L$(TOPDIR)/,$(dir $(USERLIBS)))
USER_LDSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/kernel/kernel.ld
endif
USER_LDFLAGS = $(USER_LDSCRIPT)
USER_LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(USERLIBS))))
USER_LIBGCC = "${shell $(CC) -print-libgcc-file-name}"
# Targets:
all: $(TOPDIR)/nuttx_user.elf $(TOPDIR)/User.map $(BOARD_INCLUDE)/user_map.h
.PHONY: depend clean distclean
# Create the nuttx_user.elf file containing all of the user-mode code
nuttx_user.elf:
@echo "LD: nuttx_user.elf"
@$(LD) -o $@ $(USER_LDFLAGS) $(USER_LIBPATHS) --start-group $(USER_LDLIBS) --end-group $(USER_LIBGCC)
$(TOPDIR)/nuttx_user.elf: nuttx_user.elf
@cp -a nuttx_user.elf $(TOPDIR)/nuttx_user.elf
$(TOPDIR)/User.map: nuttx_user.elf
@$(NM) nuttx_user.elf >$(TOPDIR)/User.map
@$(CROSSDEV)size $(TOPDIR)/User.map
$(BOARD_INCLUDE)/user_map.h: $(TOPDIR)/User.map
@echo "/* configs/$(CONFIG_ARCH_BOARD)/include/user_map.h" > $(BOARD_INCLUDE)/user_map.h
@echo " *" >> $(BOARD_INCLUDE)/user_map.h
@echo " * This is an auto-generated file.. Do not edit this file!" >> $(BOARD_INCLUDE)/user_map.h
@echo " */" >> $(BOARD_INCLUDE)/user_map.h
@echo "" >> $(BOARD_INCLUDE)/user_map.h
@echo "#ifndef __ARCH_BOARD_USER_MAP_H" >> $(BOARD_INCLUDE)/user_map.h
@echo "#define __ARCH_BOARD_USER_MAP_H" >> $(BOARD_INCLUDE)/user_map.h
@echo "" >> $(BOARD_INCLUDE)/user_map.h
@echo "#define CONFIG_USER_ENTRYPOINT `grep user_start $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
@echo "#define CONFIG_USER_DATASOURCE `grep _eronly $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
@echo "#define CONFIG_USER_DATADESTSTART `grep _sdata $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
@echo "#define CONFIG_USER_DATADESTEND `grep _edata $(TOPDIR)/User.map | cut -d' ' -f1`" >> $(BOARD_INCLUDE)/user_map.h
@echo "" >> $(BOARD_INCLUDE)/user_map.h
@echo "#endif /* __ARCH_BOARD_USER_MAP_H */" >> $(BOARD_INCLUDE)/user_map.h
.depend:
depend: .depend
clean:
@rm -f nuttx_user.elf *~ .*.swp
@rm -f $(TOPDIR)/nuttx_user.elf $(TOPDIR)/User.map
distclean: clean

127
configs/sam3u-ek/kernel/kernel.ld Normal file
View File

@ -0,0 +1,127 @@
/****************************************************************************
* configs/sam3u-ek/kernal/kernel.ld
*
* 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.
*
****************************************************************************/
/* The AT91SAM3U-4 has 256Kb of FLASH beginning at address 0x0008:0000,
* 32Kb of SRAM beginning at address 0x2000:0000, and 16Kb of SRAM beginning
* at address 0x2008:000 (used only for heap). 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 64Kb of
* FLASH and 4Kb of SRAM. That, of course, can be optimized as needed (See
* also configs/sam3u-ek/knsh/ld.script
*/
MEMORY
{
/* 256Kb FLASH */
kflash (rx) : ORIGIN = 0x00080000, LENGTH = 64K
uflash (rx) : ORIGIN = 0x00090000, LENGTH = 192K
/* 32Kb SRAM */
ksram1 (rwx) : ORIGIN = 0x20000000, LENGTH = 4K
usram1 (rwx) : ORIGIN = 0x20001000, LENGTH = 28K
/* 16Kb SRAM */
sram2 (rwx) : ORIGIN = 0x20080000, LENGTH = 16K
}
OUTPUT_ARCH(arm)
ENTRY(user_start)
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(.);
} > uflash
_eronly = ABSOLUTE(.);
.data : {
_sdata = ABSOLUTE(.);
*(.data .data.*)
*(.gnu.linkonce.d.*)
CONSTRUCTORS
_edata = ABSOLUTE(.);
} > usram1 AT > uflash
.ARM.extab : {
*(.ARM.extab*)
} >usram1
.ARM.exidx : {
__exidx_start = ABSOLUTE(.);
*(.ARM.exidx*)
__exidx_end = ABSOLUTE(.);
} >usram1
.bss : {
_sbss = ABSOLUTE(.);
*(.bss .bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
_ebss = ABSOLUTE(.);
} > usram1
/* 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) }
}

2
configs/sam3u-ek/knsh/Make.defs
View File

@ -117,7 +117,7 @@ LDNXFLATFLAGS = -e main -s 2048
OBJEXT = .o
LIBEXT = .a
EXEEXT =
EXEEXT = .elf
ifneq ($(CROSSDEV),arm-elf-)
LDFLAGS += -nostartfiles -nodefaultlibs

7
configs/sam3u-ek/knsh/defconfig
View File

@ -207,6 +207,13 @@ CONFIG_MOTOROLA_SREC=n
CONFIG_RAW_BINARY=y
CONFIG_HAVE_LIBM=n
#
# Setup for a two-pass build
#
CONFIG_BUILD_2PASS=y
CONFIG_PASS1_BUILDIR=configs/sam3u-ek/kernel
CONFIG_PASS1_OBJECT=
#
# General OS setup
#

36
configs/sam3u-ek/knsh/ld.script
View File

@ -39,12 +39,26 @@
* 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 64Kb of
* FLASH and 4Kb of SRAM. That, of course, can be optimized as needed (See
* also configs/sam3u-ek/kernel/kernel.ld.
*/
MEMORY
{
flash (rx) : ORIGIN = 0x00080000, LENGTH = 256K
sram1 (rwx) : ORIGIN = 0x20000000, LENGTH = 32K
/* 256Kb FLASH */
kflash (rx) : ORIGIN = 0x00080000, LENGTH = 64K
uflash (rx) : ORIGIN = 0x00090000, LENGTH = 192K
/* 32Kb SRAM */
ksram1 (rwx) : ORIGIN = 0x20000000, LENGTH = 4K
usram1 (rwx) : ORIGIN = 0x20001000, LENGTH = 28K
/* 16Kb SRAM */
sram2 (rwx) : ORIGIN = 0x20080000, LENGTH = 16K
}
@ -66,9 +80,9 @@ SECTIONS
*(.gcc_except_table)
*(.gnu.linkonce.r.*)
_etext = ABSOLUTE(.);
} > flash
} > kflash
_eronly = ABSOLUTE(.); /* See below */
_eronly = ABSOLUTE(.);
.data : {
_sdata = ABSOLUTE(.);
@ -76,26 +90,28 @@ SECTIONS
*(.gnu.linkonce.d.*)
CONSTRUCTORS
_edata = ABSOLUTE(.);
} > sram1 AT > flash
} > ksram1 AT > kflash
.ARM.extab : {
*(.ARM.extab*)
} >sram1
} >ksram1
.ARM.exidx : {
__exidx_start = ABSOLUTE(.);
*(.ARM.exidx*)
__exidx_end = ABSOLUTE(.);
} >sram1
} >ksram1
.bss : { /* BSS */
.bss : {
_sbss = ABSOLUTE(.);
*(.bss .bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
_ebss = ABSOLUTE(.);
} > sram1
/* Stabs debugging sections. */
} > ksram1
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
.stab.excl 0 : { *(.stab.excl) }