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-rw-r--r--nuttx/Makefile42
-rw-r--r--nuttx/arch/arm/src/Makefile2
-rw-r--r--nuttx/arch/sim/src/Makefile6
-rwxr-xr-xnuttx/configs/ea3131/locked/Makefile31
-rw-r--r--nuttx/configs/ea3131/locked/ld-locked.script44
-rwxr-xr-xnuttx/configs/ea3131/locked/mklocked.sh57
-rwxr-xr-xnuttx/configs/ea3131/pgnsh/defconfig7
-rwxr-xr-xnuttx/configs/ea3131/pgnsh/ld.script35
8 files changed, 170 insertions, 54 deletions
diff --git a/nuttx/Makefile b/nuttx/Makefile
index bf2859aca..ddd9e1edf 100644
--- a/nuttx/Makefile
+++ b/nuttx/Makefile
@@ -1,7 +1,7 @@
############################################################################
# Makefile
#
-# Copyright (C) 2007-2009 Gregory Nutt. All rights reserved.
+# Copyright (C) 2007-2010 Gregory Nutt. All rights reserved.
# Author: Gregory Nutt <spudmonkey@racsa.co.cr>
#
# Redistribution and use in source and binary forms, with or without
@@ -100,6 +100,13 @@ else
MAKEDIRS += $(FSDIRS)
endif
+#
+# Extra objects used in the final link
+
+ifeq ($(CONFIG_BUILD_2PASS),y)
+EXTRA_OBJS = $(TOPDIR)/$(CONFIG_PASS1_DIR)/$(CONFIG_PASS1_LIB)
+endif
+
# LINKLIBS is the list of NuttX libraries that is passed to the
# processor-specific Makefile to build the final target.
# Libraries in FSDIRS are excluded if file descriptor support
@@ -249,8 +256,29 @@ graphics/libgraphics$(LIBEXT): context
examples/$(CONFIG_EXAMPLE)/lib$(CONFIG_EXAMPLE)$(LIBEXT): context
@$(MAKE) -C examples/$(CONFIG_EXAMPLE) TOPDIR="$(TOPDIR)" lib$(CONFIG_EXAMPLE)$(LIBEXT)
-$(BIN): context depend $(LINKLIBS)
- @$(MAKE) -C $(ARCH_SRC) TOPDIR="$(TOPDIR)" LINKLIBS="$(LINKLIBS)" $(BIN)
+pass1:
+ifeq ($(CONFIG_BUILD_2PASS),y)
+ @if [ -z "$(CONFIG_PASS1_LIB)" ]; then \
+ echo "ERROR: CONFIG_PASS1_LIB not defined"; \
+ exit 1; \
+ fi
+ @if [ -z "$(CONFIG_PASS1_DIR)" ]; then \
+ echo "ERROR: CONFIG_PASS1_DIR not defined"; \
+ exit 1; \
+ fi
+ @if [ ! -d "$(CONFIG_PASS1_DIR)" ]; then \
+ echo "ERROR: CONFIG_PASS1_DIR does not exist"; \
+ exit 1; \
+ fi
+ @if [ ! -f "$(CONFIG_PASS1_DIR)/Makefile" ]; then \
+ echo "ERROR: No Makefile in CONFIG_PASS1_DIR"; \
+ exit 1; \
+ fi
+ @$(MAKE) -C $(CONFIG_PASS1_DIR) TOPDIR="$(TOPDIR)" LINKLIBS="$(LINKLIBS)" $(CONFIG_PASS1_LIB)
+endif
+
+$(BIN): context depend $(LINKLIBS) pass1
+ @$(MAKE) -C $(ARCH_SRC) TOPDIR="$(TOPDIR)" EXTRA_OBJS="$(EXTRA_OBJS)" LINKLIBS="$(LINKLIBS)" $(BIN)
@if [ -w /tftpboot ] ; then \
cp -f $(TOPDIR)/$@ /tftpboot/$@.${CONFIG_ARCH}; \
fi
@@ -283,6 +311,9 @@ subdir_clean:
done
@$(MAKE) -C tools -f Makefile.mkconfig TOPDIR="$(TOPDIR)" clean
@$(MAKE) -C mm -f Makefile.test TOPDIR="$(TOPDIR)" clean
+ifeq ($(CONFIG_BUILD_2PASS),y)
+ @$(MAKE) -C $(CONFIG_PASS1_DIR) TOPDIR="$(TOPDIR)" clean
+endif
clean: subdir_clean
@rm -f $(BIN) nuttx.* mm_test *.map *~
@@ -296,5 +327,6 @@ subdir_distclean:
distclean: clean subdir_distclean clean_context
@rm -f Make.defs setenv.sh .config
-
-
+ifeq ($(CONFIG_BUILD_2PASS),y)
+ @$(MAKE) -C $(CONFIG_PASS1_DIR) TOPDIR="$(TOPDIR)" distclean
+endif
diff --git a/nuttx/arch/arm/src/Makefile b/nuttx/arch/arm/src/Makefile
index 8bc63a18d..c7b4d86e6 100644
--- a/nuttx/arch/arm/src/Makefile
+++ b/nuttx/arch/arm/src/Makefile
@@ -103,7 +103,7 @@ board/libboard$(LIBEXT):
nuttx: $(HEAD_AOBJ) board/libboard$(LIBEXT)
@echo "LD: nuttx"
- @$(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) -o $(NUTTX)$(EXEEXT) $(HEAD_AOBJ) \
+ @$(LD) --entry=__start $(LDFLAGS) $(LIBPATHS) -o $(NUTTX)$(EXEEXT) $(HEAD_AOBJ) $(EXTRA_OBJS) \
--start-group $(LDLIBS) -lboard --end-group $(EXTRA_LIBS) $(LIBGCC)
ifeq ($(CONFIG_BOOT_RUNFROMFLASH),y)
@export flashloc=`$(OBJDUMP) --all-headers $(NUTTX)$(EXEEXT) | grep _eronly | cut -d' ' -f1`; \
diff --git a/nuttx/arch/sim/src/Makefile b/nuttx/arch/sim/src/Makefile
index 067b7cf36..54cde18c2 100644
--- a/nuttx/arch/sim/src/Makefile
+++ b/nuttx/arch/sim/src/Makefile
@@ -90,7 +90,7 @@ endif
LINKOBJS = up_head$(OBJEXT)
LINKLIBS =
-LDPATHES = $(addprefix -L$(TOPDIR)/,$(dir $(LINKLIBS)))
+LDPATHS = $(addprefix -L$(TOPDIR)/,$(dir $(LINKLIBS)))
LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(LINKLIBS))))
all: up_head$(OBJEXT) libarch$(LIBEXT)
@@ -126,7 +126,7 @@ Cygwin-names.dat: nuttx-names.dat
nuttx.rel : libarch$(LIBEXT) $(HOSTOS)-names.dat $(LINKOBJS)
@echo "LD: nuttx.rel"
- @$(LD) -r $(LDFLAGS) $(LDPATHES) -o $@ $(LINKOBJS) --start-group $(LDLIBS) --end-group $(EXTRA_LIBS)
+ @$(LD) -r $(LDFLAGS) $(LDPATHS) -o $@ $(LINKOBJS) --start-group $(LDLIBS) --end-group $(EXTRA_LIBS)
@$(OBJCOPY) --redefine-syms=$(HOSTOS)-names.dat $@
# Generate the final NuttX binary by linking the host-specific objects with the NuttX
@@ -134,7 +134,7 @@ nuttx.rel : libarch$(LIBEXT) $(HOSTOS)-names.dat $(LINKOBJS)
nuttx$(EXEEXT): cleanrel nuttx.rel $(HOSTOBJS)
@echo "LD: nuttx$(EXEEXT)"
- @$(CC) $(LDFLAGS) $(LDPATHES) -o $(TOPDIR)/$@ nuttx.rel $(HOSTOBJS) $(STDLIBS)
+ @$(CC) $(LDFLAGS) $(LDPATHS) -o $(TOPDIR)/$@ nuttx.rel $(HOSTOBJS) $(STDLIBS)
@$(NM) $(TOPDIR)/$@ | \
grep -v '\(compiled\)\|\(\.o$$\)\|\( [aUw] \)\|\(\.\.ng$$\)\|\(LASH[RL]DI\)' | \
sort > $(TOPDIR)/System.map
diff --git a/nuttx/configs/ea3131/locked/Makefile b/nuttx/configs/ea3131/locked/Makefile
index 52815a0dd..db552a771 100755
--- a/nuttx/configs/ea3131/locked/Makefile
+++ b/nuttx/configs/ea3131/locked/Makefile
@@ -35,20 +35,37 @@
-include $(TOPDIR)/Make.defs
-all: liblocked.r
+ifeq ($(WINTOOL),y)
+ # Windows-native toolchains
+ PASS1_LIBPATHS = ${shell for path in $(LINKLIBS); do dir=`dirname $(TOPDIR)/$$path`;echo "-L\"`cygpath -w $$dir`\"";done}
+ PASS1_LDSCRIPT = -T "${shell cygpath -w $(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/locked/ld-locked.inc}"
+else
+ # Linux/Cygwin-native toolchain
+ PASS1_LIBPATHS = $(addprefix -L$(TOPDIR)/,$(dir $(LINKLIBS)))
+ PASS1_LDSCRIPT = -T$(TOPDIR)/configs/$(CONFIG_ARCH_BOARD)/locked/ld-locked.inc
+endif
-ld-locked.script:
- ./mklocked.sh "$(TOPDIR)"
+PASS1_LDFLAGS = -r $(PASS1_LDSCRIPT)
+PASS1_LDLIBS = $(patsubst lib%,-l%,$(basename $(notdir $(LINKLIBS))))
+PASS1_LIBGCC = "${shell $(CC) -print-libgcc-file-name}"
-liblocked.r: ld-locked.script $(OBJS)
- @LD -o $@ --start-group $(LDLIBS) --end-group -u os_start $(LIBGCC)
+all: locked.r
+
+ld-locked.inc: mklocked.sh $(TOPDIR)/.config
+ @echo "MK: ld-locked.inc"
+ @./mklocked.sh "$(TOPDIR)"
+
+locked.r: ld-locked.inc $(OBJS)
+ @echo "LD: locked.r"
+ @$(LD) -o $@ $(PASS1_LDFLAGS) $(PASS1_LIBPATHS) --start-group $(PASS1_LDLIBS) --end-group -u os_start $(PASS1_LIBGCC)
.depend:
depend: .depend
clean:
- @rm -f liblocked.r *~ .*.swp
+ @rm -f locked.r *~ .*.swp
distclean: clean
- @rm -f ld-locked.script
+ @rm -f ld-locked.inc
+
diff --git a/nuttx/configs/ea3131/locked/ld-locked.script b/nuttx/configs/ea3131/locked/ld-locked.script
new file mode 100644
index 000000000..f89d8549f
--- /dev/null
+++ b/nuttx/configs/ea3131/locked/ld-locked.script
@@ -0,0 +1,44 @@
+/****************************************************************************
+ * configs/ea3131/pgnsh/ld-locked.script
+ *
+ * Copyright (C) 2010 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 ld-locked.inc
+OUTPUT_ARCH(arm)
+SECTIONS
+{
+ .locked : {
+ *(.vectors)
+ *(.text .text.*)
+ }
+} \ No newline at end of file
diff --git a/nuttx/configs/ea3131/locked/mklocked.sh b/nuttx/configs/ea3131/locked/mklocked.sh
index 188ca4796..8bfd03da3 100755
--- a/nuttx/configs/ea3131/locked/mklocked.sh
+++ b/nuttx/configs/ea3131/locked/mklocked.sh
@@ -76,62 +76,61 @@ function checkconfig () {
# Interrupt Handlers
############################################################################
#
-# All interrupt handlers must be forced to lie in the locked
-# .text region
+# All interrupt handlers must be forced to lie in the locked .text region
#
-# These are the vector entry points (only one is really needed
-# since they are all in the same file). These should drag in all
-# of the vector dispatching logic.
+# These are the vector entry points (only one is really needed since they
+# are all in the same file). These should drag in all of the vector
+# dispatching logic.
#
-rm -f ld-locked.script
-echo "EXTERN(up_vectorswi)" >>ld-locked.script
-echo "EXTERN(up_vectordata)" >>ld-locked.script
-echo "EXTERN(up_vectorprefetch)" >>ld-locked.script
-echo "EXTERN(up_vectorundefinsn)" >>ld-locked.script
-echo "EXTERN(up_vectorfiq)" >>ld-locked.script
-echo "EXTERN(up_vectorirq)" >>ld-locked.script
+rm -f ld-locked.inc
+echo "EXTERN(up_vectorswi)" >>ld-locked.inc
+echo "EXTERN(up_vectordata)" >>ld-locked.inc
+echo "EXTERN(up_vectorprefetch)" >>ld-locked.inc
+echo "EXTERN(up_vectorundefinsn)" >>ld-locked.inc
+echo "EXTERN(up_vectorfiq)" >>ld-locked.inc
+echo "EXTERN(up_vectorirq)" >>ld-locked.inc
#
-# These are the initialization entry points of all device drivers
-# that handle interrupts. We really want to include as little as
-# possible -- ideally just the interrupt handler itself, but that
-# is not usually possible.
+# These are the initialization entry points of all device drivers that
+# handle interrupts. We really want to include as little as possible --
+# ideally just the interrupt handler itself, but that is not usually
+# possible.
#
-# Of course, this list must be extended as interrupt handlers are
-# added.
+# Of course, this list must be extended as interrupt handlers are added.
-echo "EXTERN(up_timerinit)" >>ld-locked.script
+echo "EXTERN(up_timerinit)" >>ld-locked.inc
answer=$(checkconfig CONFIG_LPC313X_UART)
if [ $answer = y ]; then
- echo "EXTERN(up_earlyserialinit)" >>ld-locked.script
+ echo "EXTERN(up_earlyserialinit)" >>ld-locked.inc
fi
# up_i2cinitialize -- Not conditioned on anything
answer=$(checkconfig CONFIG_USBDEV)
if [ $answer = y ]; then
- echo "EXTERN(up_usbinitialize)" >>ld-locked.script
+ echo "EXTERN(up_usbinitialize)" >>ld-locked.inc
fi
############################################################################
# Idle Loop
############################################################################
#
-# The IDLE loop must be forced to lie in the locked .text region
-# NOTE that most of the IDLE loop is is os_start.c, but we don't
-# we want to handle that differently so that it does not draw in
-# a lot of things that we do not need.
+# The IDLE loop must be forced to lie in the locked .text region. NOTE that
+# most of the IDLE loop is is os_start.c, but we don't we want to handle
+# that differently so that it does not draw in a lot of things that we do
+# not need in the locked region. However, we do need to bring in all of
+# the things called by os_start up to the point where the page fill worker
+# thread is started.
-echo "EXTERN(up_idle)" >>ld-locked.script
+echo "EXTERN(up_idle)" >>ld-locked.inc
############################################################################
# PG Fill Worker Thread
############################################################################
#
-# All of the page fill worker thread must be in the locked .text
-# region.
+# All of the page fill worker thread must be in the locked .text region.
-echo "EXTERN(pg_worker)" >>ld-locked.script
+echo "EXTERN(pg_worker)" >>ld-locked.inc
diff --git a/nuttx/configs/ea3131/pgnsh/defconfig b/nuttx/configs/ea3131/pgnsh/defconfig
index 696b5f310..756e92e88 100755
--- a/nuttx/configs/ea3131/pgnsh/defconfig
+++ b/nuttx/configs/ea3131/pgnsh/defconfig
@@ -199,6 +199,13 @@ CONFIG_RAW_BINARY=y
CONFIG_HAVE_LIBM=n
#
+# Setup for a two-pass build
+#
+CONFIG_BUILD_2PASS=y
+CONFIG_PASS1_DIR=configs/ea3131/locked
+CONFIG_PASS1_LIB=locked.r
+
+#
# General OS setup
#
# CONFIG_EXAMPLE - identifies the subdirectory in examples
diff --git a/nuttx/configs/ea3131/pgnsh/ld.script b/nuttx/configs/ea3131/pgnsh/ld.script
index bf84a0681..0dc768257 100755
--- a/nuttx/configs/ea3131/pgnsh/ld.script
+++ b/nuttx/configs/ea3131/pgnsh/ld.script
@@ -37,20 +37,37 @@
* LPC313x boot ROM expects the boot image be compiled with entry point at
* 0x1102:9000. A 128b header will appear at this address (applied by
* lpc313xImgCreator) and the executable code must begin at 0x1102:9080.
+ *
+ * The .text vitual address space begins at the same location as the physical
+ * address space: 0x1102 8000. The virtual space is broken up into three
+ * regions:
+ *
+ * locked - Pages locked in memory. Start: 0x1102 8000 Size: 36Kb
+ * paged - Pages in nonvolatile store. Start: 0x1103 1000 Size: 384Kb
+ * data - .data/.bss/heap. Start: 0x1109 1000 Size: 44Kb
*/
MEMORY
{
- isram (rwx) : ORIGIN = 0x11029080, LENGTH = 192K - 4224
+ locked (rx) : ORIGIN = 0x11029080, LENGTH = 36K - 4224
+ paged (rx) : ORIGIN = 0x11031000, LENGTH = 384K
+ data (rw) : ORIGIN = 0x11091000, LENGTH = 44K
}
OUTPUT_ARCH(arm)
ENTRY(_stext)
SECTIONS
{
- .text : {
- _stext = ABSOLUTE(.);
+ .locked : {
+ _slocked = ABSOLUTE(.);
*(.vectors)
+ *(.locked)
+ _elocked = ABSOLUTE(.);
+ } >locked
+ _eronly = ABSOLUTE(.); /* See below */
+
+ .paged : {
+ _spaged = ABSOLUTE(.);
*(.text .text.*)
*(.fixup)
*(.gnu.warning)
@@ -61,8 +78,8 @@ SECTIONS
*(.got)
*(.gcc_except_table)
*(.gnu.linkonce.r.*)
- _etext = ABSOLUTE(.);
- } > isram
+ _epaged = ABSOLUTE(.);
+ } > paged
_eronly = ABSOLUTE(.);
@@ -72,17 +89,17 @@ SECTIONS
*(.gnu.linkonce.d.*)
CONSTRUCTORS
_edata = ABSOLUTE(.);
- } > isram
+ } > data AT > locked
.ARM.extab : {
*(.ARM.extab*)
- } >isram
+ } >data
.ARM.exidx : {
__exidx_start = ABSOLUTE(.);
*(.ARM.exidx*)
__exidx_end = ABSOLUTE(.);
- } > isram
+ } > data
.bss : {
_sbss = ABSOLUTE(.);
@@ -90,7 +107,7 @@ SECTIONS
*(.gnu.linkonce.b.*)
*(COMMON)
_ebss = ABSOLUTE(.);
- } > isram
+ } > data
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }